From 83edb116e00c2992571e45c2c10a19ac75c5dd63 Mon Sep 17 00:00:00 2001 From: GitHub Actions Date: Sun, 8 Dec 2024 02:33:38 +0000 Subject: [PATCH] Sun Dec 8 02:32:12 UTC 2024 Kernel update --- .github/workflows/Build-Kernel.yaml | 86 + .github/workflows/Build-Release.yaml | 34 + .github/workflows/merge-linux.yml | 2 +- .gitignore | 1 - Documentation/ABI/testing/sysfs-fs-f2fs | 3 +- .../admin-guide/filesystem-monitoring.rst | 20 +- .../admin-guide/kernel-parameters.txt | 26 +- Documentation/arm64/cpu-feature-registers.rst | 38 +- Documentation/arm64/silicon-errata.rst | 40 + .../i2c/google,cros-ec-i2c-tunnel.yaml | 2 +- .../bindings/thermal/thermal-zones.yaml | 5 +- Documentation/driver-api/ipmi.rst | 2 +- Documentation/locking/hwspinlock.rst | 11 + Makefile | 7 +- arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts | 2 +- arch/arm/boot/dts/exynos4210-smdkv310.dts | 2 +- arch/arm/boot/dts/exynos4412-origen.dts | 2 +- arch/arm/boot/dts/exynos4412-smdk4412.dts | 2 +- 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| 249 + arch/x86/platform/intel/iosf_mbi.c | 4 +- arch/x86/xen/p2m.c | 4 +- arch/x86/xen/setup.c | 2 +- block/bfq-iosched.c | 81 +- block/bio-integrity.c | 21 +- block/blk-integrity.c | 177 +- block/blk-iocost.c | 8 +- block/blk-rq-qos.c | 2 +- block/blk.h | 10 +- block/elevator.c | 4 +- block/genhd.c | 12 +- block/ioctl.c | 2 +- block/partitions/core.c | 8 +- crypto/aead.c | 3 +- crypto/cipher.c | 3 +- crypto/ecdh.c | 2 + crypto/xor.c | 31 +- drivers/acpi/acpi_pad.c | 6 +- drivers/acpi/acpi_processor.c | 15 +- drivers/acpi/acpica/dbconvert.c | 2 + drivers/acpi/acpica/exprep.c | 3 + drivers/acpi/acpica/exregion.c | 23 +- drivers/acpi/acpica/psargs.c | 47 + drivers/acpi/battery.c | 44 +- drivers/acpi/bus.c | 8 + drivers/acpi/button.c | 11 + drivers/acpi/cppc_acpi.c | 47 +- drivers/acpi/device_sysfs.c | 5 +- drivers/acpi/ec.c | 64 +- drivers/acpi/pmic/tps68470_pmic.c | 6 +- drivers/acpi/prmt.c | 35 +- drivers/acpi/processor_idle.c | 40 +- drivers/acpi/resource.c | 27 + drivers/acpi/sbs.c | 23 +- drivers/acpi/video_detect.c | 8 + drivers/acpi/x86/utils.c | 23 +- drivers/android/binder.c | 5 +- drivers/ata/ahci.c | 17 +- drivers/ata/libata-core.c | 15 +- drivers/ata/libata-scsi.c | 10 +- drivers/ata/pata_macio.c | 7 +- drivers/ata/sata_sil.c | 12 +- drivers/atm/idt77252.c | 9 +- drivers/base/bus.c | 6 +- drivers/base/core.c | 3 + drivers/base/devres.c | 12 +- drivers/base/firmware_loader/main.c | 30 + drivers/base/power/domain.c | 2 +- drivers/base/property.c | 45 + drivers/base/regmap/regmap-i2c.c | 3 +- drivers/block/aoe/aoecmd.c | 13 +- drivers/block/drbd/drbd_main.c | 6 +- drivers/block/drbd/drbd_state.c | 2 +- drivers/block/null_blk/main.c | 4 +- drivers/block/null_blk/zoned.c | 13 +- drivers/block/rbd.c | 35 +- drivers/bluetooth/ath3k.c | 25 +- drivers/bluetooth/btmrvl_sdio.c | 3 +- drivers/bluetooth/btqca.c | 186 +- drivers/bluetooth/btqca.h | 36 +- drivers/bluetooth/btusb.c | 14 +- drivers/bluetooth/hci_ldisc.c | 3 +- drivers/bluetooth/hci_qca.c | 284 +- 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net/bluetooth/af_bluetooth.c | 1 + net/bluetooth/bnep/core.c | 6 +- net/bluetooth/hci_core.c | 23 +- net/bluetooth/l2cap_core.c | 9 +- net/bluetooth/mgmt.c | 64 +- net/bluetooth/rfcomm/sock.c | 2 - net/bluetooth/smp.c | 151 +- net/bpf/test_run.c | 6 + net/bridge/br_device.c | 5 + net/bridge/br_fdb.c | 6 +- net/bridge/br_multicast.c | 4 +- net/bridge/br_netfilter_hooks.c | 11 +- net/can/bcm.c | 6 + net/can/j1939/main.c | 6 +- net/can/j1939/transport.c | 29 +- net/ceph/mon_client.c | 14 +- net/core/datagram.c | 20 +- net/core/dev.c | 16 +- net/core/drop_monitor.c | 20 +- net/core/dst.c | 17 +- net/core/filter.c | 26 +- net/core/link_watch.c | 4 +- net/core/net-sysfs.c | 2 +- net/core/net_namespace.c | 9 +- net/core/netpoll.c | 2 +- net/core/rtnetlink.c | 104 +- net/core/skbuff.c | 24 + net/core/skmsg.c | 3 +- net/core/sock.c | 20 +- net/core/sock_map.c | 17 +- net/core/xdp.c | 8 +- net/dccp/ipv4.c | 7 +- net/dccp/ipv6.c | 7 +- net/ethernet/eth.c | 7 +- net/ethtool/ioctl.c | 3 + net/ethtool/linkstate.c | 41 +- net/ieee802154/socket.c | 4 +- net/ipv4/af_inet.c | 46 +- net/ipv4/cipso_ipv4.c | 12 +- net/ipv4/devinet.c | 41 +- net/ipv4/esp4.c | 3 +- net/ipv4/fib_frontend.c | 9 +- net/ipv4/fib_semantics.c | 2 +- net/ipv4/fib_trie.c | 7 +- net/ipv4/fou.c | 54 +- net/ipv4/gre_offload.c | 12 +- net/ipv4/inet_connection_sock.c | 43 +- net/ipv4/inet_diag.c | 2 + net/ipv4/inet_fragment.c | 70 +- net/ipv4/ip_fragment.c | 2 +- net/ipv4/ip_gre.c | 10 +- net/ipv4/ip_tunnel.c | 9 +- net/ipv4/netfilter/ipt_rpfilter.c | 3 +- net/ipv4/netfilter/iptable_nat.c | 18 +- net/ipv4/netfilter/nf_dup_ipv4.c | 7 +- net/ipv4/netfilter/nft_fib_ipv4.c | 5 +- net/ipv4/nexthop.c | 7 +- net/ipv4/raw.c | 2 +- net/ipv4/route.c | 6 +- net/ipv4/tcp.c | 29 +- net/ipv4/tcp_bpf.c | 2 +- net/ipv4/tcp_input.c | 128 +- net/ipv4/tcp_ipv4.c | 22 +- net/ipv4/tcp_metrics.c | 1 + net/ipv4/tcp_minisocks.c | 5 +- net/ipv4/tcp_offload.c | 3 + net/ipv4/tcp_output.c | 4 +- net/ipv4/tcp_timer.c | 41 +- net/ipv4/udp.c | 4 +- net/ipv4/udp_offload.c | 22 +- net/ipv4/xfrm4_policy.c | 42 +- net/ipv6/Kconfig | 1 + net/ipv6/addrconf.c | 12 +- net/ipv6/af_inet6.c | 24 +- net/ipv6/esp6.c | 3 +- net/ipv6/ila/ila.h | 1 + net/ipv6/ila/ila_lwt.c | 7 +- net/ipv6/ila/ila_main.c | 6 + net/ipv6/ila/ila_xlat.c | 13 +- net/ipv6/ip6_fib.c | 6 +- net/ipv6/ip6_input.c | 2 +- net/ipv6/ip6_offload.c | 14 +- net/ipv6/ip6_output.c | 15 +- net/ipv6/ip6_tunnel.c | 12 +- net/ipv6/ipv6_sockglue.c | 17 +- net/ipv6/ndisc.c | 34 +- net/ipv6/netfilter/ip6t_rpfilter.c | 6 +- net/ipv6/netfilter/ip6table_nat.c | 14 +- net/ipv6/netfilter/nf_conntrack_reasm.c | 6 +- net/ipv6/netfilter/nf_dup_ipv6.c | 7 +- net/ipv6/netfilter/nf_reject_ipv6.c | 14 +- net/ipv6/netfilter/nft_fib_ipv6.c | 8 +- net/ipv6/route.c | 21 +- net/ipv6/rpl_iptunnel.c | 26 +- net/ipv6/seg6_iptunnel.c | 14 +- net/ipv6/seg6_local.c | 9 +- net/ipv6/tcp_ipv6.c | 28 +- net/ipv6/udp_offload.c | 2 - net/ipv6/xfrm6_policy.c | 40 +- net/iucv/af_iucv.c | 4 +- net/iucv/iucv.c | 29 +- net/kcm/kcmsock.c | 4 + net/l2tp/l2tp_core.c | 15 +- net/l2tp/l2tp_netlink.c | 4 +- net/l3mdev/l3mdev.c | 43 +- net/mac80211/Kconfig | 2 +- net/mac80211/agg-tx.c | 6 +- net/mac80211/cfg.c | 27 +- net/mac80211/driver-ops.c | 3 - net/mac80211/he.c | 10 +- net/mac80211/ieee80211_i.h | 5 + net/mac80211/iface.c | 17 +- net/mac80211/key.c | 44 +- net/mac80211/main.c | 11 +- net/mac80211/mesh.c | 1 + net/mac80211/mesh_pathtbl.c | 13 + net/mac80211/mlme.c | 14 +- net/mac80211/scan.c | 14 +- net/mac80211/sta_info.c | 18 +- net/mac80211/util.c | 49 +- net/mac802154/tx.c | 8 +- net/mctp/af_mctp.c | 6 +- net/mctp/device.c | 30 +- net/mctp/neigh.c | 31 +- net/mctp/route.c | 33 +- net/mptcp/diag.c | 2 +- net/mptcp/mib.c | 5 + net/mptcp/mib.h | 5 + net/mptcp/options.c | 49 +- net/mptcp/pm.c | 45 +- net/mptcp/pm_netlink.c | 258 +- net/mptcp/protocol.c | 105 +- net/mptcp/protocol.h | 34 +- net/mptcp/sockopt.c | 4 +- net/mptcp/subflow.c | 97 +- net/ncsi/internal.h | 2 + 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net/netfilter/x_tables.c | 2 +- net/netfilter/xt_CHECKSUM.c | 33 +- net/netfilter/xt_CLASSIFY.c | 16 +- net/netfilter/xt_CONNSECMARK.c | 36 +- net/netfilter/xt_CT.c | 106 +- net/netfilter/xt_IDLETIMER.c | 59 +- net/netfilter/xt_LED.c | 39 +- net/netfilter/xt_NFLOG.c | 36 +- net/netfilter/xt_RATEEST.c | 39 +- net/netfilter/xt_SECMARK.c | 27 +- net/netfilter/xt_TRACE.c | 36 +- net/netfilter/xt_addrtype.c | 15 +- net/netfilter/xt_cluster.c | 33 +- net/netfilter/xt_connbytes.c | 4 +- net/netfilter/xt_connlimit.c | 39 +- net/netfilter/xt_connmark.c | 28 +- net/netfilter/xt_mark.c | 42 +- net/netlink/af_netlink.c | 20 +- net/netlink/genetlink.c | 28 +- net/netrom/nr_timer.c | 3 +- net/packet/af_packet.c | 116 +- net/qrtr/af_qrtr.c | 2 +- net/rds/recv.c | 13 +- net/sched/act_api.c | 66 +- net/sched/act_ct.c | 31 +- net/sched/sch_api.c | 9 +- net/sched/sch_cake.c | 11 +- net/sched/sch_multiq.c | 2 +- net/sched/sch_netem.c | 56 +- net/sched/sch_taprio.c | 22 +- net/sctp/input.c | 46 +- net/sctp/proc.c | 10 +- net/sctp/sm_statefuns.c | 2 +- net/sctp/socket.c | 38 +- net/smc/af_smc.c | 2 +- net/smc/smc_core.c | 5 +- net/smc/smc_pnet.c | 2 +- net/socket.c | 7 +- net/sunrpc/auth_gss/auth_gss.c | 4 +- net/sunrpc/auth_gss/gss_krb5_keys.c | 2 +- net/sunrpc/clnt.c | 3 +- net/sunrpc/sched.c | 4 +- net/sunrpc/stats.c | 2 +- net/sunrpc/svc.c | 36 +- net/sunrpc/xprtrdma/frwr_ops.c | 3 +- net/sunrpc/xprtrdma/verbs.c | 16 +- net/sunrpc/xprtsock.c | 7 + net/tipc/bcast.c | 2 +- net/tipc/bearer.c | 8 +- net/tipc/node.c | 1 + net/tipc/udp_media.c | 5 +- net/tls/tls_sw.c | 16 +- net/unix/af_unix.c | 122 +- net/unix/diag.c | 12 +- net/vmw_vsock/hyperv_transport.c | 1 + net/vmw_vsock/virtio_transport_common.c | 1 + net/wireless/nl80211.c | 27 +- net/wireless/pmsr.c | 8 +- net/wireless/scan.c | 60 +- net/wireless/sme.c | 3 +- net/wireless/util.c | 15 +- net/xdp/xsk.c | 4 - net/xfrm/xfrm_device.c | 11 +- net/xfrm/xfrm_policy.c | 54 +- net/xfrm/xfrm_user.c | 10 +- samples/Kconfig | 9 + samples/Makefile | 1 + samples/fanotify/.gitignore | 1 + samples/fanotify/Makefile | 5 + samples/fanotify/fs-monitor.c | 142 + scripts/Makefile.dtbinst | 2 +- scripts/gcc-plugins/gcc-common.h | 4 + scripts/gcc-x86_32-has-stack-protector.sh | 2 +- scripts/gcc-x86_64-has-stack-protector.sh | 2 +- scripts/kconfig/expr.c | 29 - scripts/kconfig/expr.h | 1 - scripts/kconfig/gconf.c | 3 +- scripts/kconfig/menu.c | 2 - scripts/kconfig/merge_config.sh | 2 + scripts/kconfig/qconf.cc | 2 +- scripts/ld-version.sh | 8 +- scripts/link-vmlinux.sh | 2 +- security/Kconfig | 32 + security/apparmor/apparmorfs.c | 4 + security/apparmor/audit.c | 6 +- security/apparmor/include/audit.h | 2 +- security/apparmor/lsm.c | 7 + security/apparmor/policy.c | 2 +- security/apparmor/policy_unpack.c | 1 + security/apparmor/policy_unpack_test.c | 6 +- security/bpf/hooks.c | 1 - security/integrity/ima/ima.h | 2 +- security/integrity/ima/ima_policy.c | 15 +- security/keys/keyctl.c | 2 +- security/keys/keyring.c | 7 +- security/landlock/cred.c | 11 +- security/security.c | 6 +- security/selinux/avc.c | 2 +- security/selinux/hooks.c | 4 +- security/selinux/include/audit.h | 4 +- security/selinux/selinuxfs.c | 27 +- security/selinux/ss/services.c | 5 +- security/smack/smack_lsm.c | 22 +- security/smack/smackfs.c | 2 +- security/tomoyo/domain.c | 9 +- sound/Kconfig | 2 +- sound/core/init.c | 14 +- sound/core/oss/mixer_oss.c | 4 +- sound/core/pcm_dmaengine.c | 26 + sound/core/timer.c | 2 +- sound/firewire/amdtp-stream.c | 41 +- sound/firewire/amdtp-stream.h | 1 + sound/firewire/tascam/amdtp-tascam.c | 2 +- sound/hda/hdmi_chmap.c | 18 + sound/pci/asihpi/hpimsgx.c | 2 +- sound/pci/hda/hda_generic.c | 67 +- sound/pci/hda/hda_generic.h | 1 + sound/pci/hda/hda_intel.c | 2 +- sound/pci/hda/patch_conexant.c | 98 +- sound/pci/hda/patch_cs8409.c | 5 +- sound/pci/hda/patch_hdmi.c | 2 + sound/pci/hda/patch_realtek.c | 157 +- sound/pci/rme9652/hdsp.c | 6 +- sound/pci/rme9652/hdspm.c | 6 +- sound/soc/au1x/db1200.c | 1 + sound/soc/codecs/cs42l51.c | 7 +- sound/soc/codecs/lpass-rx-macro.c | 2 +- sound/soc/codecs/max98088.c | 10 +- sound/soc/codecs/rt5682.c | 4 +- sound/soc/codecs/tda7419.c | 1 + sound/soc/codecs/wcd938x-sdw.c | 4 +- sound/soc/codecs/wsa881x.c | 2 +- sound/soc/fsl/fsl-asoc-card.c | 3 +- sound/soc/fsl/fsl_sai.c | 5 +- sound/soc/fsl/fsl_sai.h | 1 + sound/soc/fsl/imx-card.c | 1 + sound/soc/intel/boards/bytcr_rt5640.c | 11 + sound/soc/intel/common/soc-intel-quirks.h | 2 +- sound/soc/intel/keembay/kmb_platform.c | 1 + sound/soc/meson/axg-card.c | 3 +- sound/soc/meson/axg-fifo.c | 26 +- sound/soc/pxa/spitz.c | 58 +- sound/soc/qcom/lpass-cpu.c | 2 + sound/soc/qcom/sm8250.c | 1 + sound/soc/soc-dapm.c | 1 + sound/soc/soc-generic-dmaengine-pcm.c | 8 + sound/soc/soc-topology.c | 2 + sound/soc/stm/stm32_spdifrx.c | 2 +- sound/soc/sunxi/sun4i-i2s.c | 143 +- sound/soc/ti/davinci-mcasp.c | 9 +- sound/soc/ti/omap-hdmi.c | 6 +- sound/synth/emux/soundfont.c | 17 +- sound/usb/card.c | 6 + sound/usb/line6/driver.c | 5 + sound/usb/line6/podhd.c | 2 +- sound/usb/mixer.c | 43 +- sound/usb/mixer.h | 1 + sound/usb/mixer_quirks.c | 170 + sound/usb/pcm.c | 3 +- sound/usb/quirks-table.h | 82 + sound/usb/quirks.c | 12 + sound/usb/stream.c | 4 +- tools/arch/x86/kcpuid/kcpuid.c | 12 +- tools/iio/iio_generic_buffer.c | 4 + tools/include/asm-generic/hugetlb_encode.h | 26 +- tools/include/linux/align.h | 12 + tools/include/linux/bitmap.h | 9 +- tools/lib/bpf/bpf_core_read.h | 1 + tools/lib/bpf/btf_dump.c | 8 +- tools/lib/bpf/libbpf.c | 4 +- tools/lib/bpf/linker.c | 11 +- tools/memory-model/lock.cat | 20 +- tools/perf/Documentation/perf-script.txt | 7 +- tools/perf/arch/x86/util/intel-pt.c | 15 +- tools/perf/builtin-mem.c | 1 + tools/perf/builtin-sched.c | 8 +- tools/perf/builtin-script.c | 24 +- tools/perf/util/hist.c | 7 +- tools/perf/util/sort.c | 2 +- tools/perf/util/time-utils.c | 4 +- tools/power/cpupower/utils/helpers/amd.c | 26 +- tools/power/x86/turbostat/turbostat.c | 10 +- tools/testing/ktest/ktest.pl | 2 +- tools/testing/selftests/bpf/bench.c | 1 + .../selftests/bpf/map_tests/sk_storage_map.c | 2 +- .../bpf/prog_tests/bpf_iter_setsockopt.c | 2 +- .../selftests/bpf/prog_tests/btf_map_in_map.c | 26 +- .../selftests/bpf/prog_tests/core_reloc.c | 1 + .../selftests/bpf/prog_tests/flow_dissector.c | 1 + .../selftests/bpf/prog_tests/kfree_skb.c | 1 + .../selftests/bpf/prog_tests/send_signal.c | 3 +- .../selftests/bpf/prog_tests/sk_lookup.c | 2 +- .../selftests/bpf/prog_tests/sockmap_listen.c | 3 +- .../selftests/bpf/prog_tests/tcp_rtt.c | 1 + .../bpf/progs/btf_dump_test_case_multidim.c | 4 +- .../bpf/progs/btf_dump_test_case_syntax.c | 4 +- .../selftests/bpf/progs/cg_storage_multi.h | 2 - .../selftests/bpf/progs/test_global_func10.c | 9 +- tools/testing/selftests/bpf/test_cpp.cpp | 4 + tools/testing/selftests/bpf/test_lru_map.c | 3 +- tools/testing/selftests/bpf/test_sockmap.c | 9 +- tools/testing/selftests/bpf/test_tc_tunnel.sh | 13 +- tools/testing/selftests/bpf/verifier/calls.c | 13 +- .../bpf/verifier/helper_access_var_len.c | 104 +- .../testing/selftests/bpf/verifier/int_ptr.c | 9 +- .../selftests/bpf/verifier/search_pruning.c | 13 +- tools/testing/selftests/bpf/verifier/sock.c | 27 - .../selftests/bpf/verifier/spill_fill.c | 211 + .../testing/selftests/bpf/verifier/var_off.c | 52 - .../breakpoints/step_after_suspend_test.c | 5 +- .../testing/selftests/core/close_range_test.c | 35 + .../selftests/dmabuf-heaps/dmabuf-heap.c | 4 +- .../drivers/net/mlxsw/spectrum-2/tc_flower.sh | 55 +- .../ftrace/test.d/kprobe/kprobe_eventname.tc | 3 +- tools/testing/selftests/landlock/base_test.c | 74 + tools/testing/selftests/landlock/config | 5 +- tools/testing/selftests/net/fcnal-test.sh | 2 +- .../selftests/net/forwarding/devlink_lib.sh | 2 + .../testing/selftests/net/mptcp/mptcp_join.sh | 46 +- tools/testing/selftests/net/msg_zerocopy.c | 14 +- tools/testing/selftests/net/net_helper.sh | 25 + tools/testing/selftests/net/setup_loopback.sh | 0 tools/testing/selftests/net/udpgro.sh | 13 +- tools/testing/selftests/net/udpgro_bench.sh | 5 +- tools/testing/selftests/net/udpgso.c | 2 +- .../testing/selftests/openat2/openat2_test.c | 1 + .../selftests/rcutorture/bin/torture.sh | 6 +- .../sigaltstack/current_stack_pointer.h | 2 +- tools/testing/selftests/tc-testing/tdc.py | 1 - tools/testing/selftests/vDSO/parse_vdso.c | 33 +- tools/testing/selftests/vDSO/vdso_config.h | 10 +- .../selftests/vDSO/vdso_standalone_test_x86.c | 18 +- .../selftests/vDSO/vdso_test_correctness.c | 6 + .../selftests/vm/charge_reserved_hugetlb.sh | 2 +- tools/testing/selftests/vm/compaction_test.c | 103 +- tools/testing/selftests/vm/hmm-tests.c | 2 +- .../testing/selftests/vm/write_to_hugetlbfs.c | 21 +- tools/usb/usbip/src/usbip_detach.c | 1 + virt/kvm/kvm_main.c | 5 +- 2044 files changed, 27847 insertions(+), 16837 deletions(-) create mode 100644 .github/workflows/Build-Kernel.yaml create mode 100644 .github/workflows/Build-Release.yaml rename arch/arm/mach-pxa/{include/mach => }/spitz.h (99%) create mode 100644 arch/hexagon/include/asm/syscalls.h create mode 100644 arch/x86/platform/efi/memmap.c create mode 100644 drivers/net/dsa/mv88e6xxx/trace.c create mode 100644 drivers/net/dsa/mv88e6xxx/trace.h create mode 100644 drivers/usb/host/xhci-caps.h create mode 100644 drivers/usb/host/xhci-port.h create mode 100644 samples/fanotify/.gitignore create mode 100644 samples/fanotify/Makefile create mode 100644 samples/fanotify/fs-monitor.c create mode 100644 tools/include/linux/align.h create mode 100644 tools/testing/selftests/net/net_helper.sh mode change 100755 => 100644 tools/testing/selftests/net/setup_loopback.sh diff --git a/.github/workflows/Build-Kernel.yaml b/.github/workflows/Build-Kernel.yaml new file mode 100644 index 0000000000..60ade3ae0a --- /dev/null +++ b/.github/workflows/Build-Kernel.yaml @@ -0,0 +1,86 @@ +name: Build-AvaotaOS-Kernel + +on: + workflow_call: + inputs: + config-board: + required: true + type: string + config-release_id: + required: true + type: string + config-kernel-target: + required: true + type: string + config-release_ver: + required: true + type: string + +permissions: + contents: write + +jobs: + build: + runs-on: ubuntu-latest + steps: + - name: checkout + uses: actions/checkout@v4 + + - name: Free Disk Space (Ubuntu) + uses: jlumbroso/free-disk-space@main + with: + tool-cache: true + android: true + dotnet: true + haskell: true + large-packages: true + docker-images: true + swap-storage: true + + - name: load apt cache + uses: awalsh128/cache-apt-pkgs-action@latest + with: + packages: | + build-essential gcc-aarch64-linux-gnu asciidoc binutils bzip2 gawk gettext git libncurses5-dev msmtp libssl-dev texinfo \ + libglib2.0-dev patch unzip zlib1g-dev subversion flex node-uglify git xmlto libreadline-dev python3 python3-pip \ + python3-pyelftools haveged lrzsz scons ecj fastjar re2c xz-utils tar binutils ccache curl wget vim nano rsync coreutils \ + qemu-utils upx-ucl libelf-dev autoconf automake libtool autopoint antlr3 gperf wget curl swig gcc g++ gcc-arm-none-eabi \ + cmake build-essential gcc-aarch64-linux-gnu mtools qemu-user-static bc pkg-config dialog debootstrap ubuntu-keyring \ + debian-keyring automake autoconf gcc make pixz libconfuse2 libconfuse-common libconfuse-dev binutils-aarch64-linux-gnu \ + binutils-arm-none-eabi cmake-data cpp-11-aarch64-linux-gnu cpp-aarch64-linux-gnu dh-elpa-helper gcc-11-aarch64-linux-gnu \ + gcc-11-aarch64-linux-gnu-base gcc-11-cross-base gcc-12-cross-base libasan6-arm64-cross libatomic1-arm64-cross \ + libc6-arm64-cross libc6-dev-arm64-cross libgcc-11-dev-arm64-cross libgcc-s1-arm64-cross libgomp1-arm64-cross libhwasan0-arm64-cross \ + libitm1-arm64-cross libjsoncpp25 liblsan0-arm64-cross libnewlib-arm-none-eabi libnewlib-dev librhash0 libstdc++-arm-none-eabi-dev \ + libstdc++-arm-none-eabi-newlib libstdc++6-arm64-cross libtsan0-arm64-cross libubsan1-arm64-cross linux-libc-dev-arm64-cross + version: 1.0 + execute_install_scripts: true + + - name: set package version + run: | + echo ${{ inputs.config-release_ver }} > VERSION + + - name: build kernel packages + shell: bash + run: | + sudo -E bash build_all.sh \ + -b ${{ inputs.config-board }} \ + -v jammy \ + -t cli \ + -u avaota \ + -p avaota \ + -s avaota \ + -k no \ + -g ${{ inputs.config-kernel-target }} \ + -i no \ + -o yes \ + -e no + + - name: upload to release + if: inputs.config-release_id != '' + uses: xresloader/upload-to-github-release@v1 + env: + GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} + with: + release_id: ${{ inputs.config-release_id }} + file: "./build_dir/${{ inputs.config-board }}-kernel-pkgs/*.deb" + draft: false diff --git a/.github/workflows/Build-Release.yaml b/.github/workflows/Build-Release.yaml new file mode 100644 index 0000000000..53ad47cded --- /dev/null +++ b/.github/workflows/Build-Release.yaml @@ -0,0 +1,34 @@ +name: Build Release + +on: + release: + types: [published] + workflow_dispatch: + +permissions: + contents: write + +jobs: + prepare_release: + runs-on: ubuntu-latest + steps: + - id: last-release + uses: pozetroninc/github-action-get-latest-release@master + with: + repository: ${{ github.repository }} + outputs: + release_id: ${{ steps.last-release.outputs.id }} + release_ver: ${{ steps.last-release.outputs.release }} + + build-kernel: + strategy: + matrix: + board: + - avaota-a1 + uses: AvaotaSBC/AvaotaOS/.github/workflows/Build-AvaotaOS-Kernel.yaml@main + needs: [prepare_release] + with: + config-board: ${{ matrix.board }} + config-release_id: ${{ needs.prepare_release.outputs.release_id }} + config-release_ver: ${{ needs.prepare_release.outputs.release_ver }} + config-kernel-target: bsp diff --git a/.github/workflows/merge-linux.yml b/.github/workflows/merge-linux.yml index 6445155634..e6b7fbf81d 100644 --- a/.github/workflows/merge-linux.yml +++ b/.github/workflows/merge-linux.yml @@ -14,7 +14,7 @@ jobs: runs-on: ubuntu-latest env: KERNEL_URL: https://cdn.kernel.org/pub/linux/kernel/v5.x/ - KERNEL_VERSION: linux-5.15.161 + KERNEL_VERSION: linux-5.15.173 KERNEL_BRANCH: linux-5.15 steps: - uses: actions/checkout@v3 diff --git a/.gitignore b/.gitignore index 7afd412dad..0e5f33db02 100644 --- a/.gitignore +++ b/.gitignore @@ -129,7 +129,6 @@ GTAGS # id-utils files ID -*.orig *~ \#*# diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index 48d41b6696..89dec1f3ea 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -55,8 +55,9 @@ Description: Controls the in-place-update policy. 0x04 F2FS_IPU_UTIL 0x08 F2FS_IPU_SSR_UTIL 0x10 F2FS_IPU_FSYNC - 0x20 F2FS_IPU_ASYNC, + 0x20 F2FS_IPU_ASYNC 0x40 F2FS_IPU_NOCACHE + 0x80 F2FS_IPU_HONOR_OPU_WRITE ==== ================= Refer segment.h for details. diff --git a/Documentation/admin-guide/filesystem-monitoring.rst b/Documentation/admin-guide/filesystem-monitoring.rst index 5a3c84e600..ab8dba7628 100644 --- a/Documentation/admin-guide/filesystem-monitoring.rst +++ b/Documentation/admin-guide/filesystem-monitoring.rst @@ -35,9 +35,11 @@ notifications is Ext4. A FAN_FS_ERROR Notification has the following format:: - [ Notification Metadata (Mandatory) ] - [ Generic Error Record (Mandatory) ] - [ FID record (Mandatory) ] + :: + + [ Notification Metadata (Mandatory) ] + [ Generic Error Record (Mandatory) ] + [ FID record (Mandatory) ] The order of records is not guaranteed, and new records might be added in the future. Therefore, applications must not rely on the order and @@ -53,11 +55,13 @@ providing any additional details about the problem. This record is identified by ``struct fanotify_event_info_header.info_type`` being set to FAN_EVENT_INFO_TYPE_ERROR. - struct fanotify_event_info_error { - struct fanotify_event_info_header hdr; - __s32 error; - __u32 error_count; - }; + :: + + struct fanotify_event_info_error { + struct fanotify_event_info_header hdr; + __s32 error; + __u32 error_count; + }; The `error` field identifies the type of error using errno values. `error_count` tracks the number of errors that occurred and were diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index e61f0d038c..ede522c60a 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -600,12 +600,6 @@ loops can be debugged more effectively on production systems. - clocksource.max_cswd_read_retries= [KNL] - Number of clocksource_watchdog() retries due to - external delays before the clock will be marked - unstable. Defaults to three retries, that is, - four attempts to read the clock under test. - clocksource.verify_n_cpus= [KNL] Limit the number of CPUs checked for clocksources marked with CLOCK_SOURCE_VERIFY_PERCPU that @@ -3457,9 +3451,6 @@ noautogroup Disable scheduler automatic task group creation. - nobats [PPC] Do not use BATs for mapping kernel lowmem - on "Classic" PPC cores. - nocache [ARM] noclflush [BUGS=X86] Don't use the CLFLUSH instruction @@ -3635,9 +3626,6 @@ nolapic_timer [X86-32,APIC] Do not use the local APIC timer. - noltlbs [PPC] Do not use large page/tlb entries for kernel - lowmem mapping on PPC40x and PPC8xx - nomca [IA-64] Disable machine check abort handling nomce [X86-32] Disable Machine Check Exception @@ -4345,6 +4333,16 @@ printk.time= Show timing data prefixed to each printk message line Format: (1/Y/y=enable, 0/N/n=disable) + proc_mem.force_override= [KNL] + Format: {always | ptrace | never} + Traditionally /proc/pid/mem allows memory permissions to be + overridden without restrictions. This option may be set to + restrict that. Can be one of: + - 'always': traditional behavior always allows mem overrides. + - 'ptrace': only allow mem overrides for active ptracers. + - 'never': never allow mem overrides. + If not specified, default is the CONFIG_PROC_MEM_* choice. + processor.max_cstate= [HW,ACPI] Limit processor to maximum C-state max_cstate=9 overrides any DMI blacklist limit. @@ -4355,11 +4353,9 @@ profile= [KNL] Enable kernel profiling via /proc/profile Format: [,] - Param: : "schedule", "sleep", or "kvm" + Param: : "schedule" or "kvm" [defaults to kernel profiling] Param: "schedule" - profile schedule points. - Param: "sleep" - profile D-state sleeping (millisecs). - Requires CONFIG_SCHEDSTATS Param: "kvm" - profile VM exits. Param: - step/bucket size as a power of 2 for statistical time based profiling. diff --git a/Documentation/arm64/cpu-feature-registers.rst b/Documentation/arm64/cpu-feature-registers.rst index 749ae970c3..8aaa5d13d3 100644 --- a/Documentation/arm64/cpu-feature-registers.rst +++ b/Documentation/arm64/cpu-feature-registers.rst @@ -92,7 +92,7 @@ operation if the source belongs to the supported system register space. The infrastructure emulates only the following system register space:: - Op0=3, Op1=0, CRn=0, CRm=0,4,5,6,7 + Op0=3, Op1=0, CRn=0, CRm=0,2,3,4,5,6,7 (See Table C5-6 'System instruction encodings for non-Debug System register accesses' in ARMv8 ARM DDI 0487A.h, for the list of @@ -291,6 +291,42 @@ infrastructure: | RPRES | [7-4] | y | +------------------------------+---------+---------+ + 10) MVFR0_EL1 - AArch32 Media and VFP Feature Register 0 + + +------------------------------+---------+---------+ + | Name | bits | visible | + +------------------------------+---------+---------+ + | FPDP | [11-8] | y | + +------------------------------+---------+---------+ + + 11) MVFR1_EL1 - AArch32 Media and VFP Feature Register 1 + + +------------------------------+---------+---------+ + | Name | bits | visible | + +------------------------------+---------+---------+ + | SIMDFMAC | [31-28] | y | + +------------------------------+---------+---------+ + | SIMDSP | [19-16] | y | + +------------------------------+---------+---------+ + | SIMDInt | [15-12] | y | + +------------------------------+---------+---------+ + | SIMDLS | [11-8] | y | + +------------------------------+---------+---------+ + + 12) ID_ISAR5_EL1 - AArch32 Instruction Set Attribute Register 5 + + +------------------------------+---------+---------+ + | Name | bits | visible | + +------------------------------+---------+---------+ + | CRC32 | [19-16] | y | + +------------------------------+---------+---------+ + | SHA2 | [15-12] | y | + +------------------------------+---------+---------+ + | SHA1 | [11-8] | y | + +------------------------------+---------+---------+ + | AES | [7-4] | y | + +------------------------------+---------+---------+ + Appendix I: Example ------------------- diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst index df7c53102a..a2cd402241 100644 --- a/Documentation/arm64/silicon-errata.rst +++ b/Documentation/arm64/silicon-errata.rst @@ -96,8 +96,16 @@ stable kernels. +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A76 | #1463225 | ARM64_ERRATUM_1463225 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A76 | #3324349 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A77 | #1508412 | ARM64_ERRATUM_1508412 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A77 | #3324348 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A78 | #3324344 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A78C | #3324346,3324347| ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A510 | #2441009 | ARM64_ERRATUM_2441009 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A510 | #2457168 | ARM64_ERRATUM_2457168 | @@ -108,18 +116,50 @@ stable kernels. +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A710 | #2224489 | ARM64_ERRATUM_2224489 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A710 | #3324338 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A715 | #3456084 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A720 | #3456091 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A725 | #3456106 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-X1 | #3324344 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-X1C | #3324346 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-X2 | #3324338 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-X3 | #3324335 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-X4 | #3194386 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-X925 | #3324334 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N1 | #1188873,1418040| ARM64_ERRATUM_1418040 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N1 | #1349291 | N/A | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N1 | #1542419 | ARM64_ERRATUM_1542419 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Neoverse-N1 | #3324349 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N2 | #2139208 | ARM64_ERRATUM_2139208 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N2 | #2067961 | ARM64_ERRATUM_2067961 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N2 | #2253138 | ARM64_ERRATUM_2253138 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Neoverse-N2 | #3324339 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Neoverse-N3 | #3456111 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Neoverse-V1 | #3324341 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Neoverse-V2 | #3324336 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Neoverse-V3 | #3312417 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | MMU-500 | #841119,826419 | N/A | +----------------+-----------------+-----------------+-----------------------------+ | ARM | MMU-600 | #1076982,1209401| N/A | diff --git a/Documentation/devicetree/bindings/i2c/google,cros-ec-i2c-tunnel.yaml b/Documentation/devicetree/bindings/i2c/google,cros-ec-i2c-tunnel.yaml index b386e4128a..d3e01d8c04 100644 --- a/Documentation/devicetree/bindings/i2c/google,cros-ec-i2c-tunnel.yaml +++ b/Documentation/devicetree/bindings/i2c/google,cros-ec-i2c-tunnel.yaml @@ -22,7 +22,7 @@ description: | google,cros-ec-spi or google,cros-ec-i2c. allOf: - - $ref: i2c-controller.yaml# + - $ref: /schemas/i2c/i2c-controller.yaml# properties: compatible: diff --git a/Documentation/devicetree/bindings/thermal/thermal-zones.yaml b/Documentation/devicetree/bindings/thermal/thermal-zones.yaml index 2d34f3ccb2..b5e9f22b28 100644 --- a/Documentation/devicetree/bindings/thermal/thermal-zones.yaml +++ b/Documentation/devicetree/bindings/thermal/thermal-zones.yaml @@ -49,7 +49,10 @@ properties: to take when the temperature crosses those thresholds. patternProperties: - "^[a-zA-Z][a-zA-Z0-9\\-]{1,12}-thermal$": + # Node name is limited in size due to Linux kernel requirements - 19 + # characters in total (see THERMAL_NAME_LENGTH, including terminating NUL + # byte): + "^[a-zA-Z][a-zA-Z0-9\\-]{1,10}-thermal$": type: object description: Each thermal zone node contains information about how frequently it diff --git a/Documentation/driver-api/ipmi.rst b/Documentation/driver-api/ipmi.rst index bc281f10ce..0bfeeeeb17 100644 --- a/Documentation/driver-api/ipmi.rst +++ b/Documentation/driver-api/ipmi.rst @@ -519,7 +519,7 @@ at module load time (for a module) with:: alerts_broken The addresses are normal I2C addresses. The adapter is the string -name of the adapter, as shown in /sys/class/i2c-adapter/i2c-/name. +name of the adapter, as shown in /sys/bus/i2c/devices/i2c-/name. It is *NOT* i2c- itself. Also, the comparison is done ignoring spaces, so if the name is "This is an I2C chip" you can say adapter_name=ThisisanI2cchip. This is because it's hard to pass in diff --git a/Documentation/locking/hwspinlock.rst b/Documentation/locking/hwspinlock.rst index 6f03713b70..2ffaa3cbd6 100644 --- a/Documentation/locking/hwspinlock.rst +++ b/Documentation/locking/hwspinlock.rst @@ -85,6 +85,17 @@ is already free). Should be called from a process context (might sleep). +:: + + int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id); + +After verifying the owner of the hwspinlock, release a previously acquired +hwspinlock; returns 0 on success, or an appropriate error code on failure +(e.g. -EOPNOTSUPP if the bust operation is not defined for the specific +hwspinlock). + +Should be called from a process context (might sleep). + :: int hwspin_lock_timeout(struct hwspinlock *hwlock, unsigned int timeout); diff --git a/Makefile b/Makefile index c12163de91..ec88bf3284 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 15 -SUBLEVEL = 161 +SUBLEVEL = 173 EXTRAVERSION = NAME = Trick or Treat @@ -961,7 +961,6 @@ endif ifdef CONFIG_LTO_CLANG ifdef CONFIG_LTO_CLANG_THIN CC_FLAGS_LTO := -flto=thin -fsplit-lto-unit -KBUILD_LDFLAGS += --thinlto-cache-dir=$(extmod_prefix).thinlto-cache else CC_FLAGS_LTO := -flto endif @@ -1562,7 +1561,7 @@ endif # CONFIG_MODULES # Directories & files removed with 'make clean' CLEAN_FILES += include/ksym vmlinux.symvers modules-only.symvers \ modules.builtin modules.builtin.modinfo modules.nsdeps \ - compile_commands.json .thinlto-cache + compile_commands.json # Directories & files removed with 'make mrproper' MRPROPER_FILES += include/config include/generated \ @@ -1790,7 +1789,7 @@ PHONY += compile_commands.json clean-dirs := $(KBUILD_EXTMOD) clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers $(KBUILD_EXTMOD)/modules.nsdeps \ - $(KBUILD_EXTMOD)/compile_commands.json $(KBUILD_EXTMOD)/.thinlto-cache + $(KBUILD_EXTMOD)/compile_commands.json PHONY += prepare # now expand this into a simple variable to reduce the cost of shell evaluations diff --git a/arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts b/arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts index 3dfce4312d..a2ef43c210 100644 --- a/arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts +++ b/arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts @@ -77,7 +77,7 @@ }; &hdmi { - hpd-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; + hpd-gpios = <&expgpio 0 GPIO_ACTIVE_LOW>; power-domains = <&power RPI_POWER_DOMAIN_HDMI>; status = "okay"; }; diff --git a/arch/arm/boot/dts/exynos4210-smdkv310.dts b/arch/arm/boot/dts/exynos4210-smdkv310.dts index d5797a67bf..4cf6ee4a81 100644 --- a/arch/arm/boot/dts/exynos4210-smdkv310.dts +++ b/arch/arm/boot/dts/exynos4210-smdkv310.dts @@ -84,7 +84,7 @@ &keypad { samsung,keypad-num-rows = <2>; samsung,keypad-num-columns = <8>; - linux,keypad-no-autorepeat; + linux,input-no-autorepeat; wakeup-source; pinctrl-names = "default"; pinctrl-0 = <&keypad_rows &keypad_cols>; diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts index 0acb05f0a2..68ed31821a 100644 --- a/arch/arm/boot/dts/exynos4412-origen.dts +++ b/arch/arm/boot/dts/exynos4412-origen.dts @@ -448,7 +448,7 @@ &keypad { samsung,keypad-num-rows = <3>; samsung,keypad-num-columns = <2>; - linux,keypad-no-autorepeat; + linux,input-no-autorepeat; wakeup-source; pinctrl-0 = <&keypad_rows &keypad_cols>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/exynos4412-smdk4412.dts b/arch/arm/boot/dts/exynos4412-smdk4412.dts index cc99b955af..deebed6ea0 100644 --- a/arch/arm/boot/dts/exynos4412-smdk4412.dts +++ b/arch/arm/boot/dts/exynos4412-smdk4412.dts @@ -65,7 +65,7 @@ &keypad { samsung,keypad-num-rows = <3>; samsung,keypad-num-columns = <8>; - linux,keypad-no-autorepeat; + linux,input-no-autorepeat; wakeup-source; pinctrl-0 = <&keypad_rows &keypad_cols>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/imx6q-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6q-kontron-samx6i.dtsi index 4d6a0c3e84..ff062f4fd7 100644 --- a/arch/arm/boot/dts/imx6q-kontron-samx6i.dtsi +++ b/arch/arm/boot/dts/imx6q-kontron-samx6i.dtsi @@ -5,31 +5,8 @@ #include "imx6q.dtsi" #include "imx6qdl-kontron-samx6i.dtsi" -#include / { model = "Kontron SMARC sAMX6i Quad/Dual"; compatible = "kontron,imx6q-samx6i", "fsl,imx6q"; }; - -/* Quad/Dual SoMs have 3 chip-select signals */ -&ecspi4 { - cs-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>, - <&gpio3 29 GPIO_ACTIVE_LOW>, - <&gpio3 25 GPIO_ACTIVE_LOW>; -}; - -&pinctrl_ecspi4 { - fsl,pins = < - MX6QDL_PAD_EIM_D21__ECSPI4_SCLK 0x100b1 - MX6QDL_PAD_EIM_D28__ECSPI4_MOSI 0x100b1 - MX6QDL_PAD_EIM_D22__ECSPI4_MISO 0x100b1 - - /* SPI4_IMX_CS2# - connected to internal flash */ - MX6QDL_PAD_EIM_D24__GPIO3_IO24 0x1b0b0 - /* SPI4_IMX_CS0# - connected to SMARC SPI0_CS0# */ - MX6QDL_PAD_EIM_D29__GPIO3_IO29 0x1b0b0 - /* SPI4_CS3# - connected to SMARC SPI0_CS1# */ - MX6QDL_PAD_EIM_D25__GPIO3_IO25 0x1b0b0 - >; -}; diff --git a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi index 683f6e58ab..668d33d1ff 100644 --- a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi +++ b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi @@ -244,7 +244,8 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_ecspi4>; cs-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>, - <&gpio3 29 GPIO_ACTIVE_LOW>; + <&gpio3 29 GPIO_ACTIVE_LOW>, + <&gpio3 25 GPIO_ACTIVE_LOW>; status = "okay"; /* default boot source: workaround #1 for errata ERR006282 */ @@ -259,8 +260,20 @@ &fec { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; - phy-mode = "rgmii"; - phy-reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>; + phy-connection-type = "rgmii-id"; + phy-handle = <ðphy>; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy: ethernet-phy@1 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <1>; + reset-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>; + reset-assert-us = <1000>; + }; + }; }; &hdmi { @@ -452,6 +465,8 @@ MX6QDL_PAD_EIM_D24__GPIO3_IO24 0x1b0b0 /* SPI_IMX_CS0# - connected to SMARC SPI0_CS0# */ MX6QDL_PAD_EIM_D29__GPIO3_IO29 0x1b0b0 + /* SPI4_CS3# - connected to SMARC SPI0_CS1# */ + MX6QDL_PAD_EIM_D25__GPIO3_IO25 0x1b0b0 >; }; @@ -504,7 +519,7 @@ MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0 MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0 MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x1b0b0 - MX6QDL_PAD_ENET_CRS_DV__GPIO1_IO25 0x1b0b0 /* RST_GBE0_PHY# */ + MX6QDL_PAD_NANDF_D1__GPIO2_IO01 0x1b0b0 /* RST_GBE0_PHY# */ >; }; @@ -717,7 +732,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pcie>; wake-up-gpio = <&gpio6 18 GPIO_ACTIVE_HIGH>; - reset-gpio = <&gpio3 13 GPIO_ACTIVE_HIGH>; + reset-gpio = <&gpio3 13 GPIO_ACTIVE_LOW>; }; /* LCD_BKLT_PWM */ @@ -805,5 +820,6 @@ /* CPLD is feeded by watchdog (hardwired) */ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_wdog1>; + fsl,ext-reset-output; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx7d-zii-rmu2.dts b/arch/arm/boot/dts/imx7d-zii-rmu2.dts index 1065941807..ce59342e55 100644 --- a/arch/arm/boot/dts/imx7d-zii-rmu2.dts +++ b/arch/arm/boot/dts/imx7d-zii-rmu2.dts @@ -350,7 +350,7 @@ &iomuxc_lpsr { pinctrl_enet1_phy_interrupt: enet1phyinterruptgrp { - fsl,phy = < + fsl,pins = < MX7D_PAD_LPSR_GPIO1_IO02__GPIO1_IO2 0x08 >; }; diff --git a/arch/arm/boot/dts/rk3036-kylin.dts b/arch/arm/boot/dts/rk3036-kylin.dts index e817eba8c6..0c8cd25d0b 100644 --- a/arch/arm/boot/dts/rk3036-kylin.dts +++ b/arch/arm/boot/dts/rk3036-kylin.dts @@ -300,8 +300,8 @@ &i2c2 { status = "okay"; - rt5616: rt5616@1b { - compatible = "rt5616"; + rt5616: audio-codec@1b { + compatible = "realtek,rt5616"; reg = <0x1b>; clocks = <&cru SCLK_I2S_OUT>; clock-names = "mclk"; diff --git a/arch/arm/boot/dts/rk3036.dtsi b/arch/arm/boot/dts/rk3036.dtsi index 0af1a86f9d..d7a86f21cf 100644 --- a/arch/arm/boot/dts/rk3036.dtsi +++ b/arch/arm/boot/dts/rk3036.dtsi @@ -382,12 +382,13 @@ }; }; - acodec: acodec-ana@20030000 { - compatible = "rk3036-codec"; + acodec: audio-codec@20030000 { + compatible = "rockchip,rk3036-codec"; reg = <0x20030000 0x4000>; - rockchip,grf = <&grf>; clock-names = "acodec_pclk"; clocks = <&cru PCLK_ACODEC>; + rockchip,grf = <&grf>; + #sound-dai-cells = <0>; status = "disabled"; }; @@ -397,7 +398,6 @@ interrupts = ; clocks = <&cru PCLK_HDMI>; clock-names = "pclk"; - rockchip,grf = <&grf>; pinctrl-names = "default"; pinctrl-0 = <&hdmi_ctl>; status = "disabled"; @@ -550,11 +550,11 @@ }; spi: spi@20074000 { - compatible = "rockchip,rockchip-spi"; + compatible = "rockchip,rk3036-spi"; reg = <0x20074000 0x1000>; interrupts = ; - clocks = <&cru PCLK_SPI>, <&cru SCLK_SPI>; - clock-names = "apb-pclk","spi_pclk"; + clocks = <&cru SCLK_SPI>, <&cru PCLK_SPI>; + clock-names = "spiclk", "apb_pclk"; dmas = <&pdma 8>, <&pdma 9>; dma-names = "tx", "rx"; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/rk3066a.dtsi b/arch/arm/boot/dts/rk3066a.dtsi index ae4055428c..85b5c50666 100644 --- a/arch/arm/boot/dts/rk3066a.dtsi +++ b/arch/arm/boot/dts/rk3066a.dtsi @@ -124,6 +124,7 @@ pinctrl-0 = <&hdmii2c_xfer>, <&hdmi_hpd>; power-domains = <&power RK3066_PD_VIO>; rockchip,grf = <&grf>; + #sound-dai-cells = <0>; status = "disabled"; ports { diff --git a/arch/arm/boot/dts/sam9x60.dtsi b/arch/arm/boot/dts/sam9x60.dtsi index e1e0dec8cc..5e569cf1cc 100644 --- a/arch/arm/boot/dts/sam9x60.dtsi +++ b/arch/arm/boot/dts/sam9x60.dtsi @@ -692,7 +692,7 @@ compatible = "microchip,sam9x60-rtt", "atmel,at91sam9260-rtt"; reg = <0xfffffe20 0x20>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; - clocks = <&clk32k 0>; + clocks = <&clk32k 1>; }; pit: timer@fffffe40 { @@ -718,7 +718,7 @@ compatible = "microchip,sam9x60-rtc", "atmel,at91sam9x5-rtc"; reg = <0xfffffea8 0x100>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; - clocks = <&clk32k 0>; + clocks = <&clk32k 1>; }; watchdog: watchdog@ffffff80 { diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h index 32dbfd81f4..0df4c3addf 100644 --- a/arch/arm/include/asm/uaccess.h +++ b/arch/arm/include/asm/uaccess.h @@ -124,16 +124,6 @@ extern int __get_user_64t_1(void *); extern int __get_user_64t_2(void *); extern int __get_user_64t_4(void *); -#define __GUP_CLOBBER_1 "lr", "cc" -#ifdef CONFIG_CPU_USE_DOMAINS -#define __GUP_CLOBBER_2 "ip", "lr", "cc" -#else -#define __GUP_CLOBBER_2 "lr", "cc" -#endif -#define __GUP_CLOBBER_4 "lr", "cc" -#define __GUP_CLOBBER_32t_8 "lr", "cc" -#define __GUP_CLOBBER_8 "lr", "cc" - #define __get_user_x(__r2, __p, __e, __l, __s) \ __asm__ __volatile__ ( \ __asmeq("%0", "r0") __asmeq("%1", "r2") \ @@ -141,7 +131,7 @@ extern int __get_user_64t_4(void *); "bl __get_user_" #__s \ : "=&r" (__e), "=r" (__r2) \ : "0" (__p), "r" (__l) \ - : __GUP_CLOBBER_##__s) + : "ip", "lr", "cc") /* narrowing a double-word get into a single 32bit word register: */ #ifdef __ARMEB__ @@ -163,7 +153,7 @@ extern int __get_user_64t_4(void *); "bl __get_user_64t_" #__s \ : "=&r" (__e), "=r" (__r2) \ : "0" (__p), "r" (__l) \ - : __GUP_CLOBBER_##__s) + : "ip", "lr", "cc") #else #define __get_user_x_64t __get_user_x #endif diff --git a/arch/arm/mach-davinci/pm.c b/arch/arm/mach-davinci/pm.c index 323ee4e657..94d7d69b9d 100644 --- a/arch/arm/mach-davinci/pm.c +++ b/arch/arm/mach-davinci/pm.c @@ -62,7 +62,7 @@ static void davinci_pm_suspend(void) /* Configure sleep count in deep sleep register */ val = __raw_readl(pm_config.deepsleep_reg); - val &= ~DEEPSLEEP_SLEEPCOUNT_MASK, + val &= ~DEEPSLEEP_SLEEPCOUNT_MASK; val |= pm_config.sleepcount; __raw_writel(val, pm_config.deepsleep_reg); diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index 264de0bc97..9bdc20706d 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c @@ -43,7 +43,7 @@ #include #include #include -#include +#include "spitz.h" #include "sharpsl_pm.h" #include @@ -516,10 +516,8 @@ static struct pxa2xx_spi_chip spitz_ads7846_chip = { static struct gpiod_lookup_table spitz_lcdcon_gpio_table = { .dev_id = "spi2.1", .table = { - GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_CONT, - "BL_CONT", GPIO_ACTIVE_LOW), - GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_ON, - "BL_ON", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.1", 6, "BL_CONT", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("sharp-scoop.1", 7, "BL_ON", GPIO_ACTIVE_HIGH), { }, }, }; @@ -527,10 +525,8 @@ static struct gpiod_lookup_table spitz_lcdcon_gpio_table = { static struct gpiod_lookup_table akita_lcdcon_gpio_table = { .dev_id = "spi2.1", .table = { - GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_CONT, - "BL_CONT", GPIO_ACTIVE_LOW), - GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_ON, - "BL_ON", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("i2c-max7310", 3, "BL_ON", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("i2c-max7310", 4, "BL_CONT", GPIO_ACTIVE_LOW), { }, }, }; @@ -954,11 +950,36 @@ static void __init spitz_i2c_init(void) static inline void spitz_i2c_init(void) {} #endif +static struct gpiod_lookup_table spitz_audio_gpio_table = { + .dev_id = "spitz-audio", + .table = { + GPIO_LOOKUP("sharp-scoop.0", 3, "mute-l", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.0", 4, "mute-r", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.1", 8, "mic", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct gpiod_lookup_table akita_audio_gpio_table = { + .dev_id = "spitz-audio", + .table = { + GPIO_LOOKUP("sharp-scoop.0", 3, "mute-l", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.0", 4, "mute-r", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("i2c-max7310", 2, "mic", GPIO_ACTIVE_HIGH), + { }, + }, +}; + /****************************************************************************** * Audio devices ******************************************************************************/ static inline void spitz_audio_init(void) { + if (machine_is_akita()) + gpiod_add_lookup_table(&akita_audio_gpio_table); + else + gpiod_add_lookup_table(&spitz_audio_gpio_table); + platform_device_register_simple("spitz-audio", -1, NULL, 0); } diff --git a/arch/arm/mach-pxa/include/mach/spitz.h b/arch/arm/mach-pxa/spitz.h similarity index 99% rename from arch/arm/mach-pxa/include/mach/spitz.h rename to arch/arm/mach-pxa/spitz.h index 04828d8918..f97e3ebd76 100644 --- a/arch/arm/mach-pxa/include/mach/spitz.h +++ b/arch/arm/mach-pxa/spitz.h @@ -11,7 +11,7 @@ #define __ASM_ARCH_SPITZ_H 1 #endif -#include "irqs.h" /* PXA_NR_BUILTIN_GPIO, PXA_GPIO_TO_IRQ */ +#include /* PXA_NR_BUILTIN_GPIO, PXA_GPIO_TO_IRQ */ #include /* Spitz/Akita GPIOs */ diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c index 25a1f8c5a7..6167f96d7b 100644 --- a/arch/arm/mach-pxa/spitz_pm.c +++ b/arch/arm/mach-pxa/spitz_pm.c @@ -20,7 +20,7 @@ #include #include -#include +#include "spitz.h" #include "pxa27x.h" #include "sharpsl_pm.h" diff --git a/arch/arm/mach-realview/platsmp-dt.c b/arch/arm/mach-realview/platsmp-dt.c index 5ae783767a..083e6a6f75 100644 --- a/arch/arm/mach-realview/platsmp-dt.c +++ b/arch/arm/mach-realview/platsmp-dt.c @@ -66,6 +66,7 @@ static void __init realview_smp_prepare_cpus(unsigned int max_cpus) return; } map = syscon_node_to_regmap(np); + of_node_put(np); if (IS_ERR(map)) { pr_err("PLATSMP: No syscon regmap\n"); return; diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 68874d3856..a1c9f96455 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -848,6 +848,46 @@ config ARM64_ERRATUM_2224489 If unsure, say Y. +config ARM64_ERRATUM_3194386 + bool "Cortex-*/Neoverse-*: workaround for MSR SSBS not self-synchronizing" + default y + help + This option adds the workaround for the following errata: + + * ARM Cortex-A76 erratum 3324349 + * ARM Cortex-A77 erratum 3324348 + * ARM Cortex-A78 erratum 3324344 + * ARM Cortex-A78C erratum 3324346 + * ARM Cortex-A78C erratum 3324347 + * ARM Cortex-A710 erratam 3324338 + * ARM Cortex-A715 errartum 3456084 + * ARM Cortex-A720 erratum 3456091 + * ARM Cortex-A725 erratum 3456106 + * ARM Cortex-X1 erratum 3324344 + * ARM Cortex-X1C erratum 3324346 + * ARM Cortex-X2 erratum 3324338 + * ARM Cortex-X3 erratum 3324335 + * ARM Cortex-X4 erratum 3194386 + * ARM Cortex-X925 erratum 3324334 + * ARM Neoverse-N1 erratum 3324349 + * ARM Neoverse N2 erratum 3324339 + * ARM Neoverse-N3 erratum 3456111 + * ARM Neoverse-V1 erratum 3324341 + * ARM Neoverse V2 erratum 3324336 + * ARM Neoverse-V3 erratum 3312417 + + On affected cores "MSR SSBS, #0" instructions may not affect + subsequent speculative instructions, which may permit unexepected + speculative store bypassing. + + Work around this problem by placing a Speculation Barrier (SB) or + Instruction Synchronization Barrier (ISB) after kernel changes to + SSBS. The presence of the SSBS special-purpose register is hidden + from hwcaps and EL0 reads of ID_AA64PFR1_EL1, such that userspace + will use the PR_SPEC_STORE_BYPASS prctl to change SSBS. + + If unsure, say Y. + config CAVIUM_ERRATUM_22375 bool "Cavium erratum 22375, 24313" default y diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index c744b1e7b3..29eed96fe0 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -10,7 +10,7 @@ # # Copyright (C) 1995-2001 by Russell King -LDFLAGS_vmlinux :=--no-undefined -X +LDFLAGS_vmlinux :=--no-undefined -X --pic-veneer ifeq ($(CONFIG_RELOCATABLE), y) # Pass --no-apply-dynamic-relocs to restore pre-binutils-2.27 behaviour diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi index 7c029f552a..256c46771d 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi @@ -311,8 +311,8 @@ <&reset RESET_HDMI_SYSTEM_RESET>, <&reset RESET_HDMI_TX>; reset-names = "hdmitx_apb", "hdmitx", "hdmitx_phy"; - clocks = <&clkc CLKID_HDMI_PCLK>, - <&clkc CLKID_CLK81>, + clocks = <&clkc CLKID_HDMI>, + <&clkc CLKID_HDMI_PCLK>, <&clkc CLKID_GCLK_VENCI_INT0>; clock-names = "isfr", "iahb", "venci"; }; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi index 3500229350..a689bd14ec 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi @@ -323,8 +323,8 @@ <&reset RESET_HDMI_SYSTEM_RESET>, <&reset RESET_HDMI_TX>; reset-names = "hdmitx_apb", "hdmitx", "hdmitx_phy"; - clocks = <&clkc CLKID_HDMI_PCLK>, - <&clkc CLKID_CLK81>, + clocks = <&clkc CLKID_HDMI>, + <&clkc CLKID_HDMI_PCLK>, <&clkc CLKID_GCLK_VENCI_INT0>; clock-names = "isfr", "iahb", "venci"; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index 4e8cde8972..b5130e7be8 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -740,7 +740,7 @@ compatible = "fsl,imx8mp-usdhc", "fsl,imx7d-usdhc"; reg = <0x30b40000 0x10000>; interrupts = ; - clocks = <&clk IMX8MP_CLK_DUMMY>, + clocks = <&clk IMX8MP_CLK_IPG_ROOT>, <&clk IMX8MP_CLK_NAND_USDHC_BUS>, <&clk IMX8MP_CLK_USDHC1_ROOT>; clock-names = "ipg", "ahb", "per"; @@ -754,7 +754,7 @@ compatible = "fsl,imx8mp-usdhc", "fsl,imx7d-usdhc"; reg = <0x30b50000 0x10000>; interrupts = ; - clocks = <&clk IMX8MP_CLK_DUMMY>, + clocks = <&clk IMX8MP_CLK_IPG_ROOT>, <&clk IMX8MP_CLK_NAND_USDHC_BUS>, <&clk IMX8MP_CLK_USDHC2_ROOT>; clock-names = "ipg", "ahb", "per"; @@ -768,7 +768,7 @@ compatible = "fsl,imx8mp-usdhc", "fsl,imx7d-usdhc"; reg = <0x30b60000 0x10000>; interrupts = ; - clocks = <&clk IMX8MP_CLK_DUMMY>, + clocks = <&clk IMX8MP_CLK_IPG_ROOT>, <&clk IMX8MP_CLK_NAND_USDHC_BUS>, <&clk IMX8MP_CLK_USDHC3_ROOT>; clock-names = "ipg", "ahb", "per"; diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts index 607cd6b4e9..470e4e4aa8 100644 --- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts +++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts @@ -32,7 +32,7 @@ regulator-name = "SD1_SPWR"; regulator-min-microvolt = <3000000>; regulator-max-microvolt = <3000000>; - gpio = <&lsio_gpio4 19 GPIO_ACTIVE_HIGH>; + gpio = <&lsio_gpio4 7 GPIO_ACTIVE_HIGH>; enable-active-high; }; }; diff --git a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts index 483f7ab4f3..b4aa9a9712 100644 --- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts +++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts @@ -285,8 +285,8 @@ /* eMMC is shared pin with parallel NAND */ emmc_pins_default: emmc-pins-default { mux { - function = "emmc", "emmc_rst"; - groups = "emmc"; + function = "emmc"; + groups = "emmc", "emmc_rst"; }; /* "NDL0","NDL1","NDL2","NDL3","NDL4","NDL5","NDL6","NDL7", diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts index 28e17a7e2a..e1ad840dc3 100644 --- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts +++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts @@ -249,8 +249,8 @@ /* eMMC is shared pin with parallel NAND */ emmc_pins_default: emmc-pins-default { mux { - function = "emmc", "emmc_rst"; - groups = "emmc"; + function = "emmc"; + groups = "emmc", "emmc_rst"; }; /* "NDL0","NDL1","NDL2","NDL3","NDL4","NDL5","NDL6","NDL7", diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi.dtsi index 88fca67dea..13757d7ac7 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi.dtsi @@ -169,21 +169,24 @@ vdd18-supply = <&pp1800_mipibrdg>; vdd33-supply = <&vddio_mipibrdg>; - #address-cells = <1>; - #size-cells = <0>; - port@0 { - reg = <0>; + ports { + #address-cells = <1>; + #size-cells = <0>; - anx7625_in: endpoint { - remote-endpoint = <&dsi_out>; + port@0 { + reg = <0>; + + anx7625_in: endpoint { + remote-endpoint = <&dsi_out>; + }; }; - }; - port@1 { - reg = <1>; + port@1 { + reg = <1>; - anx7625_out: endpoint { - remote-endpoint = <&panel_in>; + anx7625_out: endpoint { + remote-endpoint = <&panel_in>; + }; }; }; }; diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi index 22a1c66325..5e77f3b1b8 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi @@ -703,7 +703,6 @@ }; pins-rts { pinmux = ; - output-enable; }; pins-cts { pinmux = ; @@ -722,7 +721,6 @@ }; pins-rts { pinmux = ; - output-enable; }; pins-cts { pinmux = ; diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi index 17eeff106b..384904344b 100644 --- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi @@ -91,7 +91,6 @@ ssphy_1: phy@58000 { compatible = "qcom,ipq8074-qmp-usb3-phy"; reg = <0x00058000 0x1c4>; - #clock-cells = <1>; #address-cells = <1>; #size-cells = <1>; ranges; @@ -112,6 +111,7 @@ <0x00058800 0x1f8>, /* PCS */ <0x00058600 0x044>; /* PCS misc*/ #phy-cells = <0>; + #clock-cells = <1>; clocks = <&gcc GCC_USB1_PIPE_CLK>; clock-names = "pipe0"; clock-output-names = "usb3phy_1_cc_pipe_clk"; @@ -134,7 +134,6 @@ ssphy_0: phy@78000 { compatible = "qcom,ipq8074-qmp-usb3-phy"; reg = <0x00078000 0x1c4>; - #clock-cells = <1>; #address-cells = <1>; #size-cells = <1>; ranges; @@ -155,6 +154,7 @@ <0x00078800 0x1f8>, /* PCS */ <0x00078600 0x044>; /* PCS misc*/ #phy-cells = <0>; + #clock-cells = <1>; clocks = <&gcc GCC_USB0_PIPE_CLK>; clock-names = "pipe0"; clock-output-names = "usb3phy_0_cc_pipe_clk"; @@ -514,6 +514,7 @@ interrupts = ; phys = <&qusb_phy_0>, <&usb0_ssphy>; phy-names = "usb2-phy", "usb3-phy"; + snps,parkmode-disable-ss-quirk; snps,is-utmi-l1-suspend; snps,hird-threshold = /bits/ 8 <0x0>; snps,dis_u2_susphy_quirk; @@ -554,6 +555,7 @@ interrupts = ; phys = <&qusb_phy_1>, <&usb1_ssphy>; phy-names = "usb2-phy", "usb3-phy"; + snps,parkmode-disable-ss-quirk; snps,is-utmi-l1-suspend; snps,hird-threshold = /bits/ 8 <0x0>; snps,dis_u2_susphy_quirk; diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi index fd9ffe8448..9ee8eebfcd 100644 --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi @@ -615,7 +615,6 @@ pcie_phy: phy@34000 { compatible = "qcom,msm8996-qmp-pcie-phy"; reg = <0x00034000 0x488>; - #clock-cells = <1>; #address-cells = <1>; #size-cells = <1>; ranges; @@ -637,6 +636,7 @@ <0x00035400 0x1dc>; #phy-cells = <0>; + #clock-cells = <0>; clock-output-names = "pcie_0_pipe_clk_src"; clocks = <&gcc GCC_PCIE_0_PIPE_CLK>; clock-names = "pipe0"; @@ -650,6 +650,7 @@ <0x00036400 0x1dc>; #phy-cells = <0>; + #clock-cells = <0>; clock-output-names = "pcie_1_pipe_clk_src"; clocks = <&gcc GCC_PCIE_1_PIPE_CLK>; clock-names = "pipe1"; @@ -663,6 +664,7 @@ <0x00037400 0x1dc>; #phy-cells = <0>; + #clock-cells = <0>; clock-output-names = "pcie_2_pipe_clk_src"; clocks = <&gcc GCC_PCIE_2_PIPE_CLK>; clock-names = "pipe2"; @@ -1756,7 +1758,7 @@ <&gcc GCC_UFS_RX_SYMBOL_0_CLK>; freq-table-hz = <100000000 200000000>, - <0 0>, + <100000000 200000000>, <0 0>, <0 0>, <0 0>, @@ -2634,6 +2636,7 @@ snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; snps,is-utmi-l1-suspend; + snps,parkmode-disable-ss-quirk; tx-fifo-resize; }; }; @@ -2641,7 +2644,6 @@ usb3phy: phy@7410000 { compatible = "qcom,msm8996-qmp-usb3-phy"; reg = <0x07410000 0x1c4>; - #clock-cells = <1>; #address-cells = <1>; #size-cells = <1>; ranges; @@ -2662,6 +2664,7 @@ <0x07410600 0x1a8>; #phy-cells = <0>; + #clock-cells = <0>; clock-output-names = "usb3_phy_pipe_clk_src"; clocks = <&gcc GCC_USB3_PHY_PIPE_CLK>; clock-names = "pipe0"; diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi index d636718adb..8ca6a6f1a5 100644 --- a/arch/arm64/boot/dts/qcom/msm8998.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi @@ -1982,7 +1982,8 @@ interrupts = ; snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; - phys = <&qusb2phy>, <&usb1_ssphy>; + snps,parkmode-disable-ss-quirk; + phys = <&qusb2phy>, <&usb3phy>; phy-names = "usb2-phy", "usb3-phy"; snps,has-lpm-erratum; snps,hird-threshold = /bits/ 8 <0x10>; @@ -1991,33 +1992,26 @@ usb3phy: phy@c010000 { compatible = "qcom,msm8998-qmp-usb3-phy"; - reg = <0x0c010000 0x18c>; - status = "disabled"; - #clock-cells = <1>; - #address-cells = <1>; - #size-cells = <1>; - ranges; + reg = <0x0c010000 0x1000>; clocks = <&gcc GCC_USB3_PHY_AUX_CLK>, + <&gcc GCC_USB3_CLKREF_CLK>, <&gcc GCC_USB_PHY_CFG_AHB2PHY_CLK>, - <&gcc GCC_USB3_CLKREF_CLK>; - clock-names = "aux", "cfg_ahb", "ref"; + <&gcc GCC_USB3_PHY_PIPE_CLK>; + clock-names = "aux", + "ref", + "cfg_ahb", + "pipe"; + clock-output-names = "usb3_phy_pipe_clk_src"; + #clock-cells = <0>; + #phy-cells = <0>; resets = <&gcc GCC_USB3_PHY_BCR>, <&gcc GCC_USB3PHY_PHY_BCR>; - reset-names = "phy", "common"; + reset-names = "phy", + "phy_phy"; - usb1_ssphy: phy@c010200 { - reg = <0xc010200 0x128>, - <0xc010400 0x200>, - <0xc010c00 0x20c>, - <0xc010600 0x128>, - <0xc010800 0x200>; - #phy-cells = <0>; - clocks = <&gcc GCC_USB3_PHY_PIPE_CLK>; - clock-names = "pipe0"; - clock-output-names = "usb3_phy_pipe_clk_src"; - }; + status = "disabled"; }; qusb2phy: phy@c012000 { diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi index e00c0577ce..70dfde9d24 100644 --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi @@ -1236,6 +1236,7 @@ interrupts = ; snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; + snps,parkmode-disable-ss-quirk; /* * SDM630 technically supports USB3 but I diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 6f7061c878..cff5423e9c 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -2299,6 +2299,8 @@ clocks = <&gcc GCC_UFS_MEM_CLKREF_CLK>, <&gcc GCC_UFS_PHY_PHY_AUX_CLK>; + power-domains = <&gcc UFS_PHY_GDSC>; + resets = <&ufs_mem_hc 0>; reset-names = "ufsphy"; status = "disabled"; diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi index 8880e9cbc9..99afdd1ad7 100644 --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi @@ -1759,6 +1759,8 @@ reset-names = "ufsphy"; status = "disabled"; + power-domains = <&gcc UFS_PHY_GDSC>; + ufs_mem_phy_lanes: phy@1d87400 { reg = <0 0x01d87400 0 0x16c>, <0 0x01d87600 0 0x200>, diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi index b0ba63b586..8506dc841c 100644 --- a/arch/arm64/boot/dts/qcom/sm8350.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi @@ -1119,7 +1119,6 @@ reg = <0 0x01d87000 0 0x1c4>; #address-cells = <2>; #size-cells = <2>; - #clock-cells = <1>; ranges; clock-names = "ref", "ref_aux"; @@ -1254,7 +1253,6 @@ <0 0x088e8000 0 0x20>; reg-names = "reg-base", "dp_com"; status = "disabled"; - #clock-cells = <1>; #address-cells = <2>; #size-cells = <2>; ranges; @@ -1287,7 +1285,6 @@ compatible = "qcom,sm8350-qmp-usb3-uni-phy"; reg = <0 0x088eb000 0 0x200>; status = "disabled"; - #clock-cells = <1>; #address-cells = <2>; #size-cells = <2>; ranges; diff --git a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi index 5f3bc2898d..0818560913 100644 --- a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi @@ -300,8 +300,8 @@ #interrupt-cells = <3>; #address-cells = <0>; interrupt-controller; - reg = <0x0 0x11900000 0 0x40000>, - <0x0 0x11940000 0 0x60000>; + reg = <0x0 0x11900000 0 0x20000>, + <0x0 0x11940000 0 0x40000>; interrupts = ; }; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3308-roc-cc.dts b/arch/arm64/boot/dts/rockchip/rk3308-roc-cc.dts index 7ea4816774..70aeca428b 100644 --- a/arch/arm64/boot/dts/rockchip/rk3308-roc-cc.dts +++ b/arch/arm64/boot/dts/rockchip/rk3308-roc-cc.dts @@ -36,14 +36,14 @@ power_led: led-0 { label = "firefly:red:power"; - linux,default-trigger = "ir-power-click"; + linux,default-trigger = "default-on"; default-state = "on"; gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>; }; user_led: led-1 { label = "firefly:blue:user"; - linux,default-trigger = "ir-user-click"; + linux,default-trigger = "rc-feedback"; default-state = "off"; gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_HIGH>; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts b/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts index 018a3a5075..66443d52cd 100644 --- a/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts +++ b/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts @@ -186,8 +186,8 @@ rk805: pmic@18 { compatible = "rockchip,rk805"; reg = <0x18>; - interrupt-parent = <&gpio2>; - interrupts = <6 IRQ_TYPE_LEVEL_LOW>; + interrupt-parent = <&gpio0>; + interrupts = <2 IRQ_TYPE_LEVEL_LOW>; #clock-cells = <1>; clock-output-names = "xin32k", "rk805-clkout2"; gpio-controller; @@ -332,7 +332,7 @@ pmic { pmic_int_l: pmic-int-l { - rockchip,pins = <2 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>; + rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>; }; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi index 26f02cc70d..f73cb7667b 100644 --- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi @@ -711,8 +711,7 @@ compatible = "rockchip,rk3328-dw-hdmi"; reg = <0x0 0xff3c0000 0x0 0x20000>; reg-io-width = <4>; - interrupts = , - ; + interrupts = ; clocks = <&cru PCLK_HDMI>, <&cru SCLK_HDMI_SFC>, <&cru SCLK_RTC32K>; @@ -807,8 +806,8 @@ <0>, <24000000>, <24000000>, <24000000>, <15000000>, <15000000>, - <100000000>, <100000000>, - <100000000>, <100000000>, + <300000000>, <100000000>, + <400000000>, <100000000>, <50000000>, <100000000>, <100000000>, <100000000>, <50000000>, <50000000>, diff --git a/arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi b/arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi index bcd7977fb0..6b28bfec8b 100644 --- a/arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi @@ -60,7 +60,6 @@ fan: fan@18 { compatible = "ti,amc6821"; reg = <0x18>; - #cooling-cells = <2>; }; rtc_twi: rtc@6f { diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi index 4c64fbefb4..ad58930d5c 100644 --- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi @@ -678,6 +678,7 @@ dma-names = "tx"; pinctrl-names = "default"; pinctrl-0 = <&spdif_tx>; + #sound-dai-cells = <0>; status = "disabled"; }; @@ -689,6 +690,7 @@ clocks = <&cru SCLK_I2S_2CH>, <&cru HCLK_I2S_2CH>; dmas = <&dmac_bus 6>, <&dmac_bus 7>; dma-names = "tx", "rx"; + #sound-dai-cells = <0>; status = "disabled"; }; @@ -702,6 +704,7 @@ dma-names = "tx", "rx"; pinctrl-names = "default"; pinctrl-0 = <&i2s_8ch_bus>; + #sound-dai-cells = <0>; status = "disabled"; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts index e5d057ef81..60a909a100 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts @@ -31,12 +31,12 @@ backlight: edp-backlight { compatible = "pwm-backlight"; power-supply = <&vcc_12v>; - pwms = <&pwm0 0 740740 0>; + pwms = <&pwm0 0 125000 0>; }; bat: battery { compatible = "simple-battery"; - charge-full-design-microamp-hours = <9800000>; + charge-full-design-microamp-hours = <10000000>; voltage-max-design-microvolt = <4350000>; voltage-min-design-microvolt = <3000000>; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi index b34081d39d..d10074b561 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi @@ -108,6 +108,22 @@ drive-impedance-ohm = <33>; }; +&gpio3 { + /* + * The Qseven BIOS_DISABLE signal on the RK3399-Q7 keeps the on-module + * eMMC and SPI flash powered-down initially (in fact it keeps the + * reset signal asserted). BIOS_DISABLE_OVERRIDE pin allows to override + * that signal so that eMMC and SPI can be used regardless of the state + * of the signal. + */ + bios-disable-override-hog { + gpios = ; + gpio-hog; + line-name = "bios_disable_override"; + output-high; + }; +}; + &gmac { assigned-clocks = <&cru SCLK_RMII_SRC>; assigned-clock-parents = <&clkin_gmac>; @@ -397,9 +413,14 @@ &pinctrl { pinctrl-names = "default"; - pinctrl-0 = <&q7_thermal_pin>; + pinctrl-0 = <&q7_thermal_pin &bios_disable_override_hog_pin>; gpios { + bios_disable_override_hog_pin: bios-disable-override-hog-pin { + rockchip,pins = + <3 RK_PD5 RK_FUNC_GPIO &pcfg_pull_down>; + }; + q7_thermal_pin: q7-thermal-pin { rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi index 25dc61c26a..68d59394a9 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi @@ -574,7 +574,7 @@ bluetooth { compatible = "brcm,bcm43438-bt"; clocks = <&rk808 1>; - clock-names = "ext_clock"; + clock-names = "txco"; device-wakeup-gpios = <&gpio2 RK_PD3 GPIO_ACTIVE_HIGH>; host-wakeup-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>; shutdown-gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_HIGH>; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-sapphire-excavator.dts b/arch/arm64/boot/dts/rockchip/rk3399-sapphire-excavator.dts index f6b2199a42..3b168da346 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-sapphire-excavator.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-sapphire-excavator.dts @@ -163,7 +163,7 @@ status = "okay"; rt5651: rt5651@1a { - compatible = "rockchip,rt5651"; + compatible = "realtek,rt5651"; reg = <0x1a>; clocks = <&cru SCLK_I2S_8CH_OUT>; clock-names = "mclk"; diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h index bd68e1b7f2..702587fda7 100644 --- a/arch/arm64/include/asm/acpi.h +++ b/arch/arm64/include/asm/acpi.h @@ -97,6 +97,18 @@ static inline u32 get_acpi_id_for_cpu(unsigned int cpu) return acpi_cpu_get_madt_gicc(cpu)->uid; } +static inline int get_cpu_for_acpi_id(u32 uid) +{ + int cpu; + + for (cpu = 0; cpu < nr_cpu_ids; cpu++) + if (acpi_cpu_get_madt_gicc(cpu) && + uid == get_acpi_id_for_cpu(cpu)) + return cpu; + + return -EINVAL; +} + static inline void arch_fix_phys_package_id(int num, u32 slot) { } void __init acpi_init_cpus(void); int apei_claim_sea(struct pt_regs *regs); diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h index 1c5a005984..6e3f4eea1f 100644 --- a/arch/arm64/include/asm/barrier.h +++ b/arch/arm64/include/asm/barrier.h @@ -26,6 +26,10 @@ #define __tsb_csync() asm volatile("hint #18" : : : "memory") #define csdb() asm volatile("hint #20" : : : "memory") +#define spec_bar() asm volatile(ALTERNATIVE("dsb nsh\nisb\n", \ + SB_BARRIER_INSN"nop\n", \ + ARM64_HAS_SB)) + #ifdef CONFIG_ARM64_PSEUDO_NMI #define pmr_sync() \ do { \ diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index 3656bbbb7c..7dfaad0fa1 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -82,9 +82,19 @@ #define ARM_CPU_PART_CORTEX_A510 0xD46 #define ARM_CPU_PART_CORTEX_A520 0xD80 #define ARM_CPU_PART_CORTEX_A710 0xD47 +#define ARM_CPU_PART_CORTEX_A715 0xD4D #define ARM_CPU_PART_CORTEX_X2 0xD48 #define ARM_CPU_PART_NEOVERSE_N2 0xD49 #define ARM_CPU_PART_CORTEX_A78C 0xD4B +#define ARM_CPU_PART_CORTEX_X1C 0xD4C +#define ARM_CPU_PART_CORTEX_X3 0xD4E +#define ARM_CPU_PART_NEOVERSE_V2 0xD4F +#define ARM_CPU_PART_CORTEX_A720 0xD81 +#define ARM_CPU_PART_CORTEX_X4 0xD82 +#define ARM_CPU_PART_NEOVERSE_V3 0xD84 +#define ARM_CPU_PART_CORTEX_X925 0xD85 +#define ARM_CPU_PART_CORTEX_A725 0xD87 +#define ARM_CPU_PART_NEOVERSE_N3 0xD8E #define APM_CPU_PART_POTENZA 0x000 @@ -136,9 +146,19 @@ #define MIDR_CORTEX_A510 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A510) #define MIDR_CORTEX_A520 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A520) #define MIDR_CORTEX_A710 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A710) +#define MIDR_CORTEX_A715 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A715) #define MIDR_CORTEX_X2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X2) #define MIDR_NEOVERSE_N2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N2) #define MIDR_CORTEX_A78C MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A78C) +#define MIDR_CORTEX_X1C MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X1C) +#define MIDR_CORTEX_X3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X3) +#define MIDR_NEOVERSE_V2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V2) +#define MIDR_CORTEX_A720 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A720) +#define MIDR_CORTEX_X4 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X4) +#define MIDR_NEOVERSE_V3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V3) +#define MIDR_CORTEX_X925 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X925) +#define MIDR_CORTEX_A725 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A725) +#define MIDR_NEOVERSE_N3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N3) #define MIDR_THUNDERX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX) #define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX) #define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX) diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 1713630bf8..91038fa2e5 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -419,6 +419,7 @@ struct kvm_vcpu_arch { #define KVM_ARM64_EXCEPT_MASK (7 << 9) /* Target EL/MODE */ #define KVM_ARM64_DEBUG_STATE_SAVE_SPE (1 << 12) /* Save SPE context if active */ #define KVM_ARM64_DEBUG_STATE_SAVE_TRBE (1 << 13) /* Save TRBE context if active */ +#define KVM_ARM64_VCPU_IN_WFI (1 << 14) /* WFI instruction trapped */ #define KVM_GUESTDBG_VALID_MASK (KVM_GUESTDBG_ENABLE | \ KVM_GUESTDBG_USE_SW_BP | \ diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index 844f6ae586..f4fb040a43 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -840,7 +840,7 @@ __SYSCALL(__NR_pselect6_time64, compat_sys_pselect6_time64) #define __NR_ppoll_time64 414 __SYSCALL(__NR_ppoll_time64, compat_sys_ppoll_time64) #define __NR_io_pgetevents_time64 416 -__SYSCALL(__NR_io_pgetevents_time64, sys_io_pgetevents) +__SYSCALL(__NR_io_pgetevents_time64, compat_sys_io_pgetevents_time64) #define __NR_recvmmsg_time64 417 __SYSCALL(__NR_recvmmsg_time64, compat_sys_recvmmsg_time64) #define __NR_mq_timedsend_time64 418 diff --git a/arch/arm64/include/asm/uprobes.h b/arch/arm64/include/asm/uprobes.h index 315eef654e..014b02897f 100644 --- a/arch/arm64/include/asm/uprobes.h +++ b/arch/arm64/include/asm/uprobes.h @@ -10,21 +10,19 @@ #include #include -#define MAX_UINSN_BYTES AARCH64_INSN_SIZE - -#define UPROBE_SWBP_INSN BRK64_OPCODE_UPROBES +#define UPROBE_SWBP_INSN cpu_to_le32(BRK64_OPCODE_UPROBES) #define UPROBE_SWBP_INSN_SIZE AARCH64_INSN_SIZE -#define UPROBE_XOL_SLOT_BYTES MAX_UINSN_BYTES +#define UPROBE_XOL_SLOT_BYTES AARCH64_INSN_SIZE -typedef u32 uprobe_opcode_t; +typedef __le32 uprobe_opcode_t; struct arch_uprobe_task { }; struct arch_uprobe { union { - u8 insn[MAX_UINSN_BYTES]; - u8 ixol[MAX_UINSN_BYTES]; + __le32 insn; + __le32 ixol; }; struct arch_probe_insn api; bool simulate; diff --git a/arch/arm64/kernel/acpi_numa.c b/arch/arm64/kernel/acpi_numa.c index fdfecf0991..31d27e3613 100644 --- a/arch/arm64/kernel/acpi_numa.c +++ b/arch/arm64/kernel/acpi_numa.c @@ -27,24 +27,13 @@ #include -static int acpi_early_node_map[NR_CPUS] __initdata = { NUMA_NO_NODE }; +static int acpi_early_node_map[NR_CPUS] __initdata = { [0 ... NR_CPUS - 1] = NUMA_NO_NODE }; int __init acpi_numa_get_nid(unsigned int cpu) { return acpi_early_node_map[cpu]; } -static inline int get_cpu_for_acpi_id(u32 uid) -{ - int cpu; - - for (cpu = 0; cpu < nr_cpu_ids; cpu++) - if (uid == get_acpi_id_for_cpu(cpu)) - return cpu; - - return -EINVAL; -} - static int __init acpi_parse_gicc_pxm(union acpi_subtable_headers *header, const unsigned long end) { diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c index 91eabe5609..91c29979ae 100644 --- a/arch/arm64/kernel/armv8_deprecated.c +++ b/arch/arm64/kernel/armv8_deprecated.c @@ -471,6 +471,9 @@ static int run_all_insn_set_hw_mode(unsigned int cpu) for (i = 0; i < ARRAY_SIZE(insn_emulations); i++) { struct insn_emulation *insn = insn_emulations[i]; bool enable = READ_ONCE(insn->current_mode) == INSN_HW; + if (insn->status == INSN_UNAVAILABLE) + continue; + if (insn->set_hw_mode && insn->set_hw_mode(enable)) { pr_warn("CPU[%u] cannot support the emulation of %s", cpu, insn->name); diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 4f12d8c1e5..f8b6f9df95 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -402,6 +402,32 @@ static struct midr_range trbe_write_out_of_range_cpus[] = { }; #endif /* CONFIG_ARM64_WORKAROUND_TRBE_WRITE_OUT_OF_RANGE */ +#ifdef CONFIG_ARM64_ERRATUM_3194386 +static const struct midr_range erratum_spec_ssbs_list[] = { + MIDR_ALL_VERSIONS(MIDR_CORTEX_A76), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A77), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A78), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A78C), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A710), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A715), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A720), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A725), + MIDR_ALL_VERSIONS(MIDR_CORTEX_X1), + MIDR_ALL_VERSIONS(MIDR_CORTEX_X1C), + MIDR_ALL_VERSIONS(MIDR_CORTEX_X2), + MIDR_ALL_VERSIONS(MIDR_CORTEX_X3), + MIDR_ALL_VERSIONS(MIDR_CORTEX_X4), + MIDR_ALL_VERSIONS(MIDR_CORTEX_X925), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N3), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V1), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V2), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V3), + {} +}; +#endif + const struct arm64_cpu_capabilities arm64_errata[] = { #ifdef CONFIG_ARM64_WORKAROUND_CLEAN_CACHE { @@ -648,6 +674,13 @@ const struct arm64_cpu_capabilities arm64_errata[] = { .type = ARM64_CPUCAP_WEAK_LOCAL_CPU_FEATURE, CAP_MIDR_RANGE_LIST(trbe_write_out_of_range_cpus), }, +#endif +#ifdef CONFIG_ARM64_ERRATUM_3194386 + { + .desc = "SSBS not fully self-synchronizing", + .capability = ARM64_WORKAROUND_SPECULATIVE_SSBS, + ERRATA_MIDR_RANGE_LIST(erratum_spec_ssbs_list), + }, #endif { } diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index f17d6cdea2..e9d1e42945 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -422,6 +422,30 @@ static const struct arm64_ftr_bits ftr_id_aa64dfr0[] = { ARM64_FTR_END, }; +static const struct arm64_ftr_bits ftr_mvfr0[] = { + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_FPROUND_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_FPSHVEC_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_FPSQRT_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_FPDIVIDE_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_FPTRAP_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_FPDP_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_FPSP_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_SIMD_SHIFT, 4, 0), + ARM64_FTR_END, +}; + +static const struct arm64_ftr_bits ftr_mvfr1[] = { + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_SIMDFMAC_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_FPHP_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_SIMDHP_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_SIMDSP_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_SIMDINT_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_SIMDLS_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_FPDNAN_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_FPFTZ_SHIFT, 4, 0), + ARM64_FTR_END, +}; + static const struct arm64_ftr_bits ftr_mvfr2[] = { ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR2_FPMISC_SHIFT, 4, 0), ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR2_SIMDMISC_SHIFT, 4, 0), @@ -452,10 +476,10 @@ static const struct arm64_ftr_bits ftr_id_isar0[] = { static const struct arm64_ftr_bits ftr_id_isar5[] = { ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_RDM_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_CRC32_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_SHA2_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_SHA1_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_AES_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_CRC32_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_SHA2_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_SHA1_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_AES_SHIFT, 4, 0), ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_SEVL_SHIFT, 4, 0), ARM64_FTR_END, }; @@ -562,7 +586,7 @@ static const struct arm64_ftr_bits ftr_zcr[] = { * Common ftr bits for a 32bit register with all hidden, strict * attributes, with 4bit feature fields and a default safe value of * 0. Covers the following 32bit registers: - * id_isar[1-4], id_mmfr[1-3], id_pfr1, mvfr[0-1] + * id_isar[1-3], id_mmfr[1-3] */ static const struct arm64_ftr_bits ftr_generic_32bits[] = { ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 28, 4, 0), @@ -629,8 +653,8 @@ static const struct __ftr_reg_entry { ARM64_FTR_REG(SYS_ID_ISAR6_EL1, ftr_id_isar6), /* Op1 = 0, CRn = 0, CRm = 3 */ - ARM64_FTR_REG(SYS_MVFR0_EL1, ftr_generic_32bits), - ARM64_FTR_REG(SYS_MVFR1_EL1, ftr_generic_32bits), + ARM64_FTR_REG(SYS_MVFR0_EL1, ftr_mvfr0), + ARM64_FTR_REG(SYS_MVFR1_EL1, ftr_mvfr1), ARM64_FTR_REG(SYS_MVFR2_EL1, ftr_mvfr2), ARM64_FTR_REG(SYS_ID_PFR2_EL1, ftr_id_pfr2), ARM64_FTR_REG(SYS_ID_DFR1_EL1, ftr_id_dfr1), @@ -1319,20 +1343,42 @@ feature_matches(u64 reg, const struct arm64_cpu_capabilities *entry) return val >= entry->min_field_value; } -static bool -has_cpuid_feature(const struct arm64_cpu_capabilities *entry, int scope) +static u64 +read_scoped_sysreg(const struct arm64_cpu_capabilities *entry, int scope) { - u64 val; - WARN_ON(scope == SCOPE_LOCAL_CPU && preemptible()); if (scope == SCOPE_SYSTEM) - val = read_sanitised_ftr_reg(entry->sys_reg); + return read_sanitised_ftr_reg(entry->sys_reg); else - val = __read_sysreg_by_encoding(entry->sys_reg); + return __read_sysreg_by_encoding(entry->sys_reg); +} + +static bool +has_user_cpuid_feature(const struct arm64_cpu_capabilities *entry, int scope) +{ + int mask; + struct arm64_ftr_reg *regp; + u64 val = read_scoped_sysreg(entry, scope); + + regp = get_arm64_ftr_reg(entry->sys_reg); + if (!regp) + return false; + + mask = cpuid_feature_extract_unsigned_field(regp->user_mask, + entry->field_pos); + if (!mask) + return false; return feature_matches(val, entry); } +static bool +has_cpuid_feature(const struct arm64_cpu_capabilities *entry, int scope) +{ + u64 val = read_scoped_sysreg(entry, scope); + return feature_matches(val, entry); +} + const struct cpumask *system_32bit_el0_cpumask(void) { if (!system_supports_32bit_el0()) @@ -1917,6 +1963,17 @@ static void cpu_enable_mte(struct arm64_cpu_capabilities const *cap) } #endif /* CONFIG_ARM64_MTE */ +static void user_feature_fixup(void) +{ + if (cpus_have_cap(ARM64_WORKAROUND_SPECULATIVE_SSBS)) { + struct arm64_ftr_reg *regp; + + regp = get_arm64_ftr_reg(SYS_ID_AA64PFR1_EL1); + if (regp) + regp->user_mask &= ~GENMASK(7, 4); /* SSBS */ + } +} + static void elf_hwcap_fixup(void) { #ifdef CONFIG_ARM64_ERRATUM_1742098 @@ -2376,7 +2433,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = { }; #define HWCAP_CPUID_MATCH(reg, field, s, min_value) \ - .matches = has_cpuid_feature, \ + .matches = has_user_cpuid_feature, \ .sys_reg = reg, \ .field_pos = field, \ .sign = s, \ @@ -2950,6 +3007,7 @@ void __init setup_cpu_features(void) u32 cwg; setup_system_capabilities(); + user_feature_fixup(); setup_elf_hwcaps(arm64_elf_hwcaps); if (system_supports_32bit_el0()) { @@ -3034,7 +3092,7 @@ static void __maybe_unused cpu_enable_cnp(struct arm64_cpu_capabilities const *c /* * We emulate only the following system register space. - * Op0 = 0x3, CRn = 0x0, Op1 = 0x0, CRm = [0, 4 - 7] + * Op0 = 0x3, CRn = 0x0, Op1 = 0x0, CRm = [0, 2 - 7] * See Table C5-6 System instruction encodings for System register accesses, * ARMv8 ARM(ARM DDI 0487A.f) for more details. */ @@ -3044,7 +3102,7 @@ static inline bool __attribute_const__ is_emulated(u32 id) sys_reg_CRn(id) == 0x0 && sys_reg_Op1(id) == 0x0 && (sys_reg_CRm(id) == 0 || - ((sys_reg_CRm(id) >= 4) && (sys_reg_CRm(id) <= 7)))); + ((sys_reg_CRm(id) >= 2) && (sys_reg_CRm(id) <= 7)))); } /* diff --git a/arch/arm64/kernel/probes/decode-insn.c b/arch/arm64/kernel/probes/decode-insn.c index 104101f633..492e50a6dd 100644 --- a/arch/arm64/kernel/probes/decode-insn.c +++ b/arch/arm64/kernel/probes/decode-insn.c @@ -99,10 +99,6 @@ arm_probe_decode_insn(probe_opcode_t insn, struct arch_probe_insn *api) aarch64_insn_is_blr(insn) || aarch64_insn_is_ret(insn)) { api->handler = simulate_br_blr_ret; - } else if (aarch64_insn_is_ldr_lit(insn)) { - api->handler = simulate_ldr_literal; - } else if (aarch64_insn_is_ldrsw_lit(insn)) { - api->handler = simulate_ldrsw_literal; } else { /* * Instruction cannot be stepped out-of-line and we don't @@ -140,6 +136,17 @@ arm_kprobe_decode_insn(kprobe_opcode_t *addr, struct arch_specific_insn *asi) probe_opcode_t insn = le32_to_cpu(*addr); probe_opcode_t *scan_end = NULL; unsigned long size = 0, offset = 0; + struct arch_probe_insn *api = &asi->api; + + if (aarch64_insn_is_ldr_lit(insn)) { + api->handler = simulate_ldr_literal; + decoded = INSN_GOOD_NO_SLOT; + } else if (aarch64_insn_is_ldrsw_lit(insn)) { + api->handler = simulate_ldrsw_literal; + decoded = INSN_GOOD_NO_SLOT; + } else { + decoded = arm_probe_decode_insn(insn, &asi->api); + } /* * If there's a symbol defined in front of and near enough to @@ -157,7 +164,6 @@ arm_kprobe_decode_insn(kprobe_opcode_t *addr, struct arch_specific_insn *asi) else scan_end = addr - MAX_ATOMIC_CONTEXT_SIZE; } - decoded = arm_probe_decode_insn(insn, &asi->api); if (decoded != INSN_REJECTED && scan_end) if (is_probed_address_atomic(addr - 1, scan_end)) diff --git a/arch/arm64/kernel/probes/simulate-insn.c b/arch/arm64/kernel/probes/simulate-insn.c index 22d0b32524..b65334ab79 100644 --- a/arch/arm64/kernel/probes/simulate-insn.c +++ b/arch/arm64/kernel/probes/simulate-insn.c @@ -171,17 +171,15 @@ simulate_tbz_tbnz(u32 opcode, long addr, struct pt_regs *regs) void __kprobes simulate_ldr_literal(u32 opcode, long addr, struct pt_regs *regs) { - u64 *load_addr; + unsigned long load_addr; int xn = opcode & 0x1f; - int disp; - disp = ldr_displacement(opcode); - load_addr = (u64 *) (addr + disp); + load_addr = addr + ldr_displacement(opcode); if (opcode & (1 << 30)) /* x0-x30 */ - set_x_reg(regs, xn, *load_addr); + set_x_reg(regs, xn, READ_ONCE(*(u64 *)load_addr)); else /* w0-w30 */ - set_w_reg(regs, xn, *load_addr); + set_w_reg(regs, xn, READ_ONCE(*(u32 *)load_addr)); instruction_pointer_set(regs, instruction_pointer(regs) + 4); } @@ -189,14 +187,12 @@ simulate_ldr_literal(u32 opcode, long addr, struct pt_regs *regs) void __kprobes simulate_ldrsw_literal(u32 opcode, long addr, struct pt_regs *regs) { - s32 *load_addr; + unsigned long load_addr; int xn = opcode & 0x1f; - int disp; - disp = ldr_displacement(opcode); - load_addr = (s32 *) (addr + disp); + load_addr = addr + ldr_displacement(opcode); - set_x_reg(regs, xn, *load_addr); + set_x_reg(regs, xn, READ_ONCE(*(s32 *)load_addr)); instruction_pointer_set(regs, instruction_pointer(regs) + 4); } diff --git a/arch/arm64/kernel/probes/uprobes.c b/arch/arm64/kernel/probes/uprobes.c index d49aef2657..a2f137a595 100644 --- a/arch/arm64/kernel/probes/uprobes.c +++ b/arch/arm64/kernel/probes/uprobes.c @@ -42,7 +42,7 @@ int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm, else if (!IS_ALIGNED(addr, AARCH64_INSN_SIZE)) return -EINVAL; - insn = *(probe_opcode_t *)(&auprobe->insn[0]); + insn = le32_to_cpu(auprobe->insn); switch (arm_probe_decode_insn(insn, &auprobe->api)) { case INSN_REJECTED: @@ -108,7 +108,7 @@ bool arch_uprobe_skip_sstep(struct arch_uprobe *auprobe, struct pt_regs *regs) if (!auprobe->simulate) return false; - insn = *(probe_opcode_t *)(&auprobe->insn[0]); + insn = le32_to_cpu(auprobe->insn); addr = instruction_pointer(regs); if (auprobe->api.handler) diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pack.c index 7515ed1f06..ebce46c4e9 100644 --- a/arch/arm64/kernel/proton-pack.c +++ b/arch/arm64/kernel/proton-pack.c @@ -558,6 +558,18 @@ static enum mitigation_state spectre_v4_enable_hw_mitigation(void) /* SCTLR_EL1.DSSBS was initialised to 0 during boot */ set_pstate_ssbs(0); + + /* + * SSBS is self-synchronizing and is intended to affect subsequent + * speculative instructions, but some CPUs can speculate with a stale + * value of SSBS. + * + * Mitigate this with an unconditional speculation barrier, as CPUs + * could mis-speculate branches and bypass a conditional barrier. + */ + if (IS_ENABLED(CONFIG_ARM64_ERRATUM_3194386)) + spec_bar(); + return SPECTRE_MITIGATED; } diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index be5f85b0a2..6a9028bfd0 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -364,9 +364,6 @@ void __init __no_sanitize_address setup_arch(char **cmdline_p) smp_init_cpus(); smp_build_mpidr_hash(); - /* Init percpu seeds for random tags after cpus are set up. */ - kasan_init_sw_tags(); - #ifdef CONFIG_ARM64_SW_TTBR0_PAN /* * Make sure init_thread_info.ttbr0 always generates translation diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index bc29cc044a..47684a03c4 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -464,6 +464,8 @@ void __init smp_prepare_boot_cpu(void) init_gic_priority_masking(); kasan_init_hw_tags(); + /* Init percpu seeds for random tags after cpus are set up. */ + kasan_init_sw_tags(); } static u64 __init of_get_cpu_mpidr(struct device_node *dn) diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 47d737672a..9ded5443de 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -379,13 +379,15 @@ void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) */ preempt_disable(); kvm_vgic_vmcr_sync(vcpu); - vgic_v4_put(vcpu, true); + vcpu->arch.flags |= KVM_ARM64_VCPU_IN_WFI; + vgic_v4_put(vcpu); preempt_enable(); } void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) { preempt_disable(); + vcpu->arch.flags &= ~KVM_ARM64_VCPU_IN_WFI; vgic_v4_load(vcpu); preempt_enable(); } @@ -696,7 +698,7 @@ static void check_vcpu_requests(struct kvm_vcpu *vcpu) if (kvm_check_request(KVM_REQ_RELOAD_GICv4, vcpu)) { /* The distributor enable bits were changed */ preempt_disable(); - vgic_v4_put(vcpu, false); + vgic_v4_put(vcpu); vgic_v4_load(vcpu); preempt_enable(); } diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index d00170d7dd..1732a80406 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -30,6 +30,7 @@ #include #include "sys_regs.h" +#include "vgic/vgic.h" #include "trace.h" @@ -203,6 +204,11 @@ static bool access_gic_sgi(struct kvm_vcpu *vcpu, { bool g1; + if (!kvm_has_gicv3(vcpu->kvm)) { + kvm_inject_undefined(vcpu); + return false; + } + if (!p->is_write) return read_from_write_only(vcpu, p, r); diff --git a/arch/arm64/kvm/vgic/vgic-v3.c b/arch/arm64/kvm/vgic/vgic-v3.c index 8eb7045132..fcd5bb242b 100644 --- a/arch/arm64/kvm/vgic/vgic-v3.c +++ b/arch/arm64/kvm/vgic/vgic-v3.c @@ -715,7 +715,7 @@ void vgic_v3_put(struct kvm_vcpu *vcpu) { struct vgic_v3_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v3; - WARN_ON(vgic_v4_put(vcpu, false)); + WARN_ON(vgic_v4_put(vcpu)); vgic_v3_vmcr_sync(vcpu); diff --git a/arch/arm64/kvm/vgic/vgic-v4.c b/arch/arm64/kvm/vgic/vgic-v4.c index f507e3fcff..2cf4a60b6e 100644 --- a/arch/arm64/kvm/vgic/vgic-v4.c +++ b/arch/arm64/kvm/vgic/vgic-v4.c @@ -333,14 +333,15 @@ void vgic_v4_teardown(struct kvm *kvm) its_vm->vpes = NULL; } -int vgic_v4_put(struct kvm_vcpu *vcpu, bool need_db) +int vgic_v4_put(struct kvm_vcpu *vcpu) { struct its_vpe *vpe = &vcpu->arch.vgic_cpu.vgic_v3.its_vpe; if (!vgic_supports_direct_msis(vcpu->kvm) || !vpe->resident) return 0; - return its_make_vpe_non_resident(vpe, need_db); + return its_make_vpe_non_resident(vpe, + vcpu->arch.flags & KVM_ARM64_VCPU_IN_WFI); } int vgic_v4_load(struct kvm_vcpu *vcpu) @@ -351,6 +352,9 @@ int vgic_v4_load(struct kvm_vcpu *vcpu) if (!vgic_supports_direct_msis(vcpu->kvm) || vpe->resident) return 0; + if (vcpu->arch.flags & KVM_ARM64_VCPU_IN_WFI) + return 0; + /* * Before making the VPE resident, make sure the redistributor * corresponding to our current CPU expects us here. See the diff --git a/arch/arm64/kvm/vgic/vgic.h b/arch/arm64/kvm/vgic/vgic.h index 640249950a..2be4b0759f 100644 --- a/arch/arm64/kvm/vgic/vgic.h +++ b/arch/arm64/kvm/vgic/vgic.h @@ -324,4 +324,11 @@ void vgic_v4_configure_vsgis(struct kvm *kvm); void vgic_v4_get_vlpi_state(struct vgic_irq *irq, bool *val); int vgic_v4_request_vpe_irq(struct kvm_vcpu *vcpu, int irq); +static inline bool kvm_has_gicv3(struct kvm *kvm) +{ + return (static_branch_unlikely(&kvm_vgic_global_state.gicv3_cpuif) && + irqchip_in_kernel(kvm) && + kvm->arch.vgic.vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3); +} + #endif diff --git a/arch/arm64/tools/cpucaps b/arch/arm64/tools/cpucaps index fcaeec5a51..e7f4ae17f3 100644 --- a/arch/arm64/tools/cpucaps +++ b/arch/arm64/tools/cpucaps @@ -70,3 +70,4 @@ WORKAROUND_NVIDIA_CARMEL_CNP WORKAROUND_QCOM_FALKOR_E1003 WORKAROUND_REPEAT_TLBI WORKAROUND_SPECULATIVE_AT +WORKAROUND_SPECULATIVE_SSBS diff --git a/arch/csky/include/uapi/asm/unistd.h b/arch/csky/include/uapi/asm/unistd.h index 7ff6a2466a..e0594b6370 100644 --- a/arch/csky/include/uapi/asm/unistd.h +++ b/arch/csky/include/uapi/asm/unistd.h @@ -6,6 +6,7 @@ #define __ARCH_WANT_SYS_CLONE3 #define __ARCH_WANT_SET_GET_RLIMIT #define __ARCH_WANT_TIME32_SYSCALLS +#define __ARCH_WANT_SYNC_FILE_RANGE2 #include #define __NR_set_thread_area (__NR_arch_specific_syscall + 0) diff --git a/arch/hexagon/include/asm/syscalls.h b/arch/hexagon/include/asm/syscalls.h new file mode 100644 index 0000000000..40f2d08bec --- /dev/null +++ b/arch/hexagon/include/asm/syscalls.h @@ -0,0 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#include + +asmlinkage long sys_hexagon_fadvise64_64(int fd, int advice, + u32 a2, u32 a3, u32 a4, u32 a5); diff --git a/arch/hexagon/include/uapi/asm/unistd.h b/arch/hexagon/include/uapi/asm/unistd.h index 432c4db1b6..21ae22306b 100644 --- a/arch/hexagon/include/uapi/asm/unistd.h +++ b/arch/hexagon/include/uapi/asm/unistd.h @@ -36,5 +36,6 @@ #define __ARCH_WANT_SYS_VFORK #define __ARCH_WANT_SYS_FORK #define __ARCH_WANT_TIME32_SYSCALLS +#define __ARCH_WANT_SYNC_FILE_RANGE2 #include diff --git a/arch/hexagon/kernel/syscalltab.c b/arch/hexagon/kernel/syscalltab.c index 0fadd582cf..5d98bdc494 100644 --- a/arch/hexagon/kernel/syscalltab.c +++ b/arch/hexagon/kernel/syscalltab.c @@ -14,6 +14,13 @@ #undef __SYSCALL #define __SYSCALL(nr, call) [nr] = (call), +SYSCALL_DEFINE6(hexagon_fadvise64_64, int, fd, int, advice, + SC_ARG64(offset), SC_ARG64(len)) +{ + return ksys_fadvise64_64(fd, SC_VAL64(loff_t, offset), SC_VAL64(loff_t, len), advice); +} +#define sys_fadvise64_64 sys_hexagon_fadvise64_64 + void *sys_call_table[__NR_syscalls] = { #include }; diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c index be2dfab48f..ed54c55c69 100644 --- a/arch/m68k/amiga/config.c +++ b/arch/m68k/amiga/config.c @@ -179,6 +179,15 @@ int __init amiga_parse_bootinfo(const struct bi_record *record) dev->slotsize = be16_to_cpu(cd->cd_SlotSize); dev->boardaddr = be32_to_cpu(cd->cd_BoardAddr); dev->boardsize = be32_to_cpu(cd->cd_BoardSize); + + /* CS-LAB Warp 1260 workaround */ + if (be16_to_cpu(dev->rom.er_Manufacturer) == ZORRO_MANUF(ZORRO_PROD_CSLAB_WARP_1260) && + dev->rom.er_Product == ZORRO_PROD(ZORRO_PROD_CSLAB_WARP_1260)) { + + /* turn off all interrupts */ + pr_info("Warp 1260 card detected: applying interrupt storm workaround\n"); + *(uint32_t *)(dev->boardaddr + 0x1000) = 0xfff; + } } else pr_warn("amiga_parse_bootinfo: too many AutoConfig devices\n"); #endif /* CONFIG_ZORRO */ diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c index 56f02ea2c2..715d1e0d97 100644 --- a/arch/m68k/atari/ataints.c +++ b/arch/m68k/atari/ataints.c @@ -302,11 +302,7 @@ void __init atari_init_IRQ(void) if (ATARIHW_PRESENT(SCU)) { /* init the SCU if present */ - tt_scu.sys_mask = 0x10; /* enable VBL (for the cursor) and - * disable HSYNC interrupts (who - * needs them?) MFP and SCC are - * enabled in VME mask - */ + tt_scu.sys_mask = 0x0; /* disable all interrupts */ tt_scu.vme_mask = 0x60; /* enable MFP and SCC ints */ } else { /* If no SCU and no Hades, the HSYNC interrupt needs to be diff --git a/arch/m68k/include/asm/cmpxchg.h b/arch/m68k/include/asm/cmpxchg.h index e8ca4b0cce..9765910d0a 100644 --- a/arch/m68k/include/asm/cmpxchg.h +++ b/arch/m68k/include/asm/cmpxchg.h @@ -33,7 +33,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz x = tmp; break; default: - tmp = __invalid_xchg_size(x, ptr, size); + x = __invalid_xchg_size(x, ptr, size); break; } diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index 1ab692b952..32427aa131 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -116,7 +116,7 @@ asmlinkage int m68k_clone(struct pt_regs *regs) { /* regs will be equal to current_pt_regs() */ struct kernel_clone_args args = { - .flags = regs->d1 & ~CSIGNAL, + .flags = (u32)(regs->d1) & ~CSIGNAL, .pidfd = (int __user *)regs->d3, .child_tid = (int __user *)regs->d4, .parent_tid = (int __user *)regs->d3, diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index 952f35b335..71ad7ffc3e 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -192,11 +192,6 @@ asmlinkage void __init mmu_init(void) { unsigned int kstart, ksize; - if (!memblock.reserved.cnt) { - pr_emerg("Error memory count\n"); - machine_restart(NULL); - } - if ((u32) memblock.memory.regions[0].size < 0x400000) { pr_emerg("Memory must be greater than 4MB\n"); machine_restart(NULL); diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c index 45c7cf5823..6e5c2c5070 100644 --- a/arch/mips/bmips/setup.c +++ b/arch/mips/bmips/setup.c @@ -110,7 +110,8 @@ static void bcm6358_quirks(void) * RAC flush causes kernel panics on BCM6358 when booting from TP1 * because the bootloader is not initializing it properly. */ - bmips_rac_flush_disable = !!(read_c0_brcm_cmt_local() & (1 << 31)); + bmips_rac_flush_disable = !!(read_c0_brcm_cmt_local() & (1 << 31)) || + !!BMIPS_GET_CBR(); } static void bcm6368_quirks(void) diff --git a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi index d73d8f4fd7..f3fad477dd 100644 --- a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi +++ b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi @@ -23,14 +23,6 @@ }; }; - memory@200000 { - compatible = "memory"; - device_type = "memory"; - reg = <0x00000000 0x00200000 0x00000000 0x0ee00000>, /* 238 MB at 2 MB */ - <0x00000000 0x20000000 0x00000000 0x1f000000>, /* 496 MB at 512 MB */ - <0x00000001 0x10000000 0x00000001 0xb0000000>; /* 6912 MB at 4352MB */ - }; - cpu_clk: cpu_clk { #clock-cells = <0>; compatible = "fixed-clock"; @@ -92,12 +84,19 @@ <0x00000000>; /* int3 */ }; + rtc0: rtc@1fe07800 { + compatible = "loongson,ls2k1000-rtc"; + reg = <0 0x1fe07800 0 0x78>; + interrupt-parent = <&liointc1>; + interrupts = <8 IRQ_TYPE_LEVEL_HIGH>; + }; + uart0: serial@1fe00000 { compatible = "ns16550a"; reg = <0 0x1fe00000 0 0x8>; clock-frequency = <125000000>; interrupt-parent = <&liointc0>; - interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; no-loopback-test; }; @@ -106,7 +105,6 @@ device_type = "pci"; #address-cells = <3>; #size-cells = <2>; - #interrupt-cells = <2>; reg = <0 0x1a000000 0 0x02000000>, <0xfe 0x00000000 0 0x20000000>; @@ -121,11 +119,12 @@ "pciclass0c03"; reg = <0x1800 0x0 0x0 0x0 0x0>; - interrupts = <12 IRQ_TYPE_LEVEL_LOW>, - <13 IRQ_TYPE_LEVEL_LOW>; + interrupts = <12 IRQ_TYPE_LEVEL_HIGH>, + <13 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "macirq", "eth_lpi"; interrupt-parent = <&liointc0>; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; + phy-handle = <&phy1>; mdio { #address-cells = <1>; #size-cells = <0>; @@ -144,11 +143,12 @@ "loongson, pci-gmac"; reg = <0x1900 0x0 0x0 0x0 0x0>; - interrupts = <14 IRQ_TYPE_LEVEL_LOW>, - <15 IRQ_TYPE_LEVEL_LOW>; + interrupts = <14 IRQ_TYPE_LEVEL_HIGH>, + <15 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "macirq", "eth_lpi"; interrupt-parent = <&liointc0>; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; + phy-handle = <&phy1>; mdio { #address-cells = <1>; #size-cells = <0>; @@ -166,7 +166,7 @@ "pciclass0c03"; reg = <0x2100 0x0 0x0 0x0 0x0>; - interrupts = <18 IRQ_TYPE_LEVEL_LOW>; + interrupts = <18 IRQ_TYPE_LEVEL_HIGH>; interrupt-parent = <&liointc1>; }; @@ -177,7 +177,7 @@ "pciclass0c03"; reg = <0x2200 0x0 0x0 0x0 0x0>; - interrupts = <19 IRQ_TYPE_LEVEL_LOW>; + interrupts = <19 IRQ_TYPE_LEVEL_HIGH>; interrupt-parent = <&liointc1>; }; @@ -188,97 +188,121 @@ "pciclass0106"; reg = <0x4000 0x0 0x0 0x0 0x0>; - interrupts = <19 IRQ_TYPE_LEVEL_LOW>; + interrupts = <19 IRQ_TYPE_LEVEL_HIGH>; interrupt-parent = <&liointc0>; }; - pci_bridge@9,0 { + pcie@9,0 { compatible = "pci0014,7a19.0", "pci0014,7a19", "pciclass060400", "pciclass0604"; reg = <0x4800 0x0 0x0 0x0 0x0>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; #interrupt-cells = <1>; - interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; interrupt-parent = <&liointc1>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &liointc1 0 IRQ_TYPE_LEVEL_LOW>; + interrupt-map = <0 0 0 0 &liointc1 0 IRQ_TYPE_LEVEL_HIGH>; + ranges; external-facing; }; - pci_bridge@a,0 { + pcie@a,0 { compatible = "pci0014,7a09.0", "pci0014,7a09", "pciclass060400", "pciclass0604"; reg = <0x5000 0x0 0x0 0x0 0x0>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; #interrupt-cells = <1>; - interrupts = <1 IRQ_TYPE_LEVEL_LOW>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH>; interrupt-parent = <&liointc1>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &liointc1 1 IRQ_TYPE_LEVEL_LOW>; + interrupt-map = <0 0 0 0 &liointc1 1 IRQ_TYPE_LEVEL_HIGH>; + ranges; external-facing; }; - pci_bridge@b,0 { + pcie@b,0 { compatible = "pci0014,7a09.0", "pci0014,7a09", "pciclass060400", "pciclass0604"; reg = <0x5800 0x0 0x0 0x0 0x0>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; #interrupt-cells = <1>; - interrupts = <2 IRQ_TYPE_LEVEL_LOW>; + interrupts = <2 IRQ_TYPE_LEVEL_HIGH>; interrupt-parent = <&liointc1>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &liointc1 2 IRQ_TYPE_LEVEL_LOW>; + interrupt-map = <0 0 0 0 &liointc1 2 IRQ_TYPE_LEVEL_HIGH>; + ranges; external-facing; }; - pci_bridge@c,0 { + pcie@c,0 { compatible = "pci0014,7a09.0", "pci0014,7a09", "pciclass060400", "pciclass0604"; reg = <0x6000 0x0 0x0 0x0 0x0>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; #interrupt-cells = <1>; - interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + interrupts = <3 IRQ_TYPE_LEVEL_HIGH>; interrupt-parent = <&liointc1>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &liointc1 3 IRQ_TYPE_LEVEL_LOW>; + interrupt-map = <0 0 0 0 &liointc1 3 IRQ_TYPE_LEVEL_HIGH>; + ranges; external-facing; }; - pci_bridge@d,0 { + pcie@d,0 { compatible = "pci0014,7a19.0", "pci0014,7a19", "pciclass060400", "pciclass0604"; reg = <0x6800 0x0 0x0 0x0 0x0>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; #interrupt-cells = <1>; - interrupts = <4 IRQ_TYPE_LEVEL_LOW>; + interrupts = <4 IRQ_TYPE_LEVEL_HIGH>; interrupt-parent = <&liointc1>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &liointc1 4 IRQ_TYPE_LEVEL_LOW>; + interrupt-map = <0 0 0 0 &liointc1 4 IRQ_TYPE_LEVEL_HIGH>; + ranges; external-facing; }; - pci_bridge@e,0 { + pcie@e,0 { compatible = "pci0014,7a09.0", "pci0014,7a09", "pciclass060400", "pciclass0604"; reg = <0x7000 0x0 0x0 0x0 0x0>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; #interrupt-cells = <1>; - interrupts = <5 IRQ_TYPE_LEVEL_LOW>; + interrupts = <5 IRQ_TYPE_LEVEL_HIGH>; interrupt-parent = <&liointc1>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &liointc1 5 IRQ_TYPE_LEVEL_LOW>; + interrupt-map = <0 0 0 0 &liointc1 5 IRQ_TYPE_LEVEL_HIGH>; + ranges; external-facing; }; diff --git a/arch/mips/include/asm/mach-loongson64/boot_param.h b/arch/mips/include/asm/mach-loongson64/boot_param.h index e007edd6b6..9218b3ae33 100644 --- a/arch/mips/include/asm/mach-loongson64/boot_param.h +++ b/arch/mips/include/asm/mach-loongson64/boot_param.h @@ -42,12 +42,14 @@ enum loongson_cpu_type { Legacy_1B = 0x5, Legacy_2G = 0x6, Legacy_2H = 0x7, + Legacy_2K = 0x8, Loongson_1A = 0x100, Loongson_1B = 0x101, Loongson_2E = 0x200, Loongson_2F = 0x201, Loongson_2G = 0x202, Loongson_2H = 0x203, + Loongson_2K = 0x204, Loongson_3A = 0x300, Loongson_3B = 0x301 }; diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h index 23c67c0871..696b40beb7 100644 --- a/arch/mips/include/asm/mips-cm.h +++ b/arch/mips/include/asm/mips-cm.h @@ -228,6 +228,10 @@ GCR_ACCESSOR_RO(32, 0x0d0, gic_status) GCR_ACCESSOR_RO(32, 0x0f0, cpc_status) #define CM_GCR_CPC_STATUS_EX BIT(0) +/* GCR_ACCESS - Controls core/IOCU access to GCRs */ +GCR_ACCESSOR_RW(32, 0x120, access_cm3) +#define CM_GCR_ACCESS_ACCESSEN GENMASK(7, 0) + /* GCR_L2_CONFIG - Indicates L2 cache configuration when Config5.L2C=1 */ GCR_ACCESSOR_RW(32, 0x130, l2_config) #define CM_GCR_L2_CONFIG_BYPASS BIT(20) diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c index 32ec67c9ab..77028aa8c1 100644 --- a/arch/mips/kernel/cevt-r4k.c +++ b/arch/mips/kernel/cevt-r4k.c @@ -303,13 +303,6 @@ int r4k_clockevent_init(void) if (!c0_compare_int_usable()) return -ENXIO; - /* - * With vectored interrupts things are getting platform specific. - * get_c0_compare_int is a hook to allow a platform to return the - * interrupt number of its liking. - */ - irq = get_c0_compare_int(); - cd = &per_cpu(mips_clockevent_device, cpu); cd->name = "MIPS"; @@ -320,7 +313,6 @@ int r4k_clockevent_init(void) min_delta = calculate_min_delta(); cd->rating = 300; - cd->irq = irq; cd->cpumask = cpumask_of(cpu); cd->set_next_event = mips_next_event; cd->event_handler = mips_event_handler; @@ -332,6 +324,13 @@ int r4k_clockevent_init(void) cp0_timer_irq_installed = 1; + /* + * With vectored interrupts things are getting platform specific. + * get_c0_compare_int is a hook to allow a platform to return the + * interrupt number of its liking. + */ + irq = get_c0_compare_int(); + if (request_irq(irq, c0_compare_interrupt, flags, "timer", c0_compare_interrupt)) pr_err("Failed to request irq %d (timer)\n", irq); diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 8ebcc298bf..f258c5f15f 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -1782,12 +1782,16 @@ static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu) c->ases |= (MIPS_ASE_LOONGSON_MMI | MIPS_ASE_LOONGSON_CAM | MIPS_ASE_LOONGSON_EXT | MIPS_ASE_LOONGSON_EXT2); c->ases &= ~MIPS_ASE_VZ; /* VZ of Loongson-3A2000/3000 is incomplete */ + change_c0_config6(LOONGSON_CONF6_EXTIMER | LOONGSON_CONF6_INTIMER, + LOONGSON_CONF6_INTIMER); break; case PRID_IMP_LOONGSON_64G: __cpu_name[cpu] = "ICT Loongson-3"; set_elf_platform(cpu, "loongson3a"); set_isa(c, MIPS_CPU_ISA_M64R2); decode_cpucfg(c); + change_c0_config6(LOONGSON_CONF6_EXTIMER | LOONGSON_CONF6_INTIMER, + LOONGSON_CONF6_INTIMER); break; default: panic("Unknown Loongson Processor ID!"); diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c index f2df0cae1b..7409d46ce3 100644 --- a/arch/mips/kernel/smp-cps.c +++ b/arch/mips/kernel/smp-cps.c @@ -230,7 +230,10 @@ static void boot_core(unsigned int core, unsigned int vpe_id) write_gcr_co_reset_ext_base(CM_GCR_Cx_RESET_EXT_BASE_UEB); /* Ensure the core can access the GCRs */ - set_gcr_access(1 << core); + if (mips_cm_revision() < CM_REV_CM3) + set_gcr_access(1 << core); + else + set_gcr_access_cm3(1 << core); if (mips_cpc_present()) { /* Reset the core */ diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl index 70e32de2bc..42c07a1b99 100644 --- a/arch/mips/kernel/syscalls/syscall_n32.tbl +++ b/arch/mips/kernel/syscalls/syscall_n32.tbl @@ -354,7 +354,7 @@ 412 n32 utimensat_time64 sys_utimensat 413 n32 pselect6_time64 compat_sys_pselect6_time64 414 n32 ppoll_time64 compat_sys_ppoll_time64 -416 n32 io_pgetevents_time64 sys_io_pgetevents +416 n32 io_pgetevents_time64 compat_sys_io_pgetevents_time64 417 n32 recvmmsg_time64 compat_sys_recvmmsg_time64 418 n32 mq_timedsend_time64 sys_mq_timedsend 419 n32 mq_timedreceive_time64 sys_mq_timedreceive diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl index a61c35edaa..cd107ca10e 100644 --- a/arch/mips/kernel/syscalls/syscall_o32.tbl +++ b/arch/mips/kernel/syscalls/syscall_o32.tbl @@ -27,7 +27,7 @@ 17 o32 break sys_ni_syscall # 18 was sys_stat 18 o32 unused18 sys_ni_syscall -19 o32 lseek sys_lseek +19 o32 lseek sys_lseek compat_sys_lseek 20 o32 getpid sys_getpid 21 o32 mount sys_mount 22 o32 umount sys_oldumount @@ -403,7 +403,7 @@ 412 o32 utimensat_time64 sys_utimensat sys_utimensat 413 o32 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64 414 o32 ppoll_time64 sys_ppoll compat_sys_ppoll_time64 -416 o32 io_pgetevents_time64 sys_io_pgetevents sys_io_pgetevents +416 o32 io_pgetevents_time64 sys_io_pgetevents compat_sys_io_pgetevents_time64 417 o32 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64 418 o32 mq_timedsend_time64 sys_mq_timedsend sys_mq_timedsend 419 o32 mq_timedreceive_time64 sys_mq_timedreceive sys_mq_timedreceive diff --git a/arch/mips/loongson64/env.c b/arch/mips/loongson64/env.c index ef3750a6ff..09ff052698 100644 --- a/arch/mips/loongson64/env.c +++ b/arch/mips/loongson64/env.c @@ -88,6 +88,12 @@ void __init prom_lefi_init_env(void) cpu_clock_freq = ecpu->cpu_clock_freq; loongson_sysconf.cputype = ecpu->cputype; switch (ecpu->cputype) { + case Legacy_2K: + case Loongson_2K: + smp_group[0] = 0x900000001fe11000; + loongson_sysconf.cores_per_node = 2; + loongson_sysconf.cores_per_package = 2; + break; case Legacy_3A: case Loongson_3A: loongson_sysconf.cores_per_node = 4; @@ -221,6 +227,8 @@ void __init prom_lefi_init_env(void) default: break; } + } else if ((read_c0_prid() & PRID_IMP_MASK) == PRID_IMP_LOONGSON_64R) { + loongson_fdt_blob = __dtb_loongson64_2core_2k1000_begin; } else if ((read_c0_prid() & PRID_IMP_MASK) == PRID_IMP_LOONGSON_64G) { if (loongson_sysconf.bridgetype == LS7A) loongson_fdt_blob = __dtb_loongson64g_4core_ls7a_begin; diff --git a/arch/mips/loongson64/smp.c b/arch/mips/loongson64/smp.c index 09ebe84a17..ae33661cd1 100644 --- a/arch/mips/loongson64/smp.c +++ b/arch/mips/loongson64/smp.c @@ -479,12 +479,25 @@ static void loongson3_smp_finish(void) static void __init loongson3_smp_setup(void) { int i = 0, num = 0; /* i: physical id, num: logical id */ + int max_cpus = 0; init_cpu_possible(cpu_none_mask); + for (i = 0; i < ARRAY_SIZE(smp_group); i++) { + if (!smp_group[i]) + break; + max_cpus += loongson_sysconf.cores_per_node; + } + + if (max_cpus < loongson_sysconf.nr_cpus) { + pr_err("SMP Groups are less than the number of CPUs\n"); + loongson_sysconf.nr_cpus = max_cpus ? max_cpus : 1; + } + /* For unified kernel, NR_CPUS is the maximum possible value, * loongson_sysconf.nr_cpus is the really present value */ + i = 0; while (i < loongson_sysconf.nr_cpus) { if (loongson_sysconf.reserved_cpus_mask & (1< 4) return 0; delay *= 2; diff --git a/arch/mips/pci/pcie-octeon.c b/arch/mips/pci/pcie-octeon.c index d919a0d813..38de2a9c3c 100644 --- a/arch/mips/pci/pcie-octeon.c +++ b/arch/mips/pci/pcie-octeon.c @@ -230,12 +230,18 @@ static inline uint64_t __cvmx_pcie_build_config_addr(int pcie_port, int bus, { union cvmx_pcie_address pcie_addr; union cvmx_pciercx_cfg006 pciercx_cfg006; + union cvmx_pciercx_cfg032 pciercx_cfg032; pciercx_cfg006.u32 = cvmx_pcie_cfgx_read(pcie_port, CVMX_PCIERCX_CFG006(pcie_port)); if ((bus <= pciercx_cfg006.s.pbnum) && (dev != 0)) return 0; + pciercx_cfg032.u32 = + cvmx_pcie_cfgx_read(pcie_port, CVMX_PCIERCX_CFG032(pcie_port)); + if ((pciercx_cfg032.s.dlla == 0) || (pciercx_cfg032.s.lt == 1)) + return 0; + pcie_addr.u64 = 0; pcie_addr.config.upper = 2; pcie_addr.config.io = 1; diff --git a/arch/mips/sgi-ip30/ip30-console.c b/arch/mips/sgi-ip30/ip30-console.c index b91f8c4fdc..a087b7ebe1 100644 --- a/arch/mips/sgi-ip30/ip30-console.c +++ b/arch/mips/sgi-ip30/ip30-console.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include +#include #include diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c index 0cd04d936a..f2fe45d309 100644 --- a/arch/openrisc/kernel/setup.c +++ b/arch/openrisc/kernel/setup.c @@ -270,6 +270,9 @@ void calibrate_delay(void) void __init setup_arch(char **cmdline_p) { + /* setup memblock allocator */ + setup_memory(); + unflatten_and_copy_device_tree(); setup_cpuinfo(); @@ -293,9 +296,6 @@ void __init setup_arch(char **cmdline_p) } #endif - /* setup memblock allocator */ - setup_memory(); - /* paging_init() sets up the MMU and marks all pages as reserved */ paging_init(); diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 117b0f8827..6ac0c4b98e 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -12,6 +12,7 @@ config PARISC select ARCH_HAS_STRICT_MODULE_RWX select ARCH_HAS_UBSAN_SANITIZE_ALL select ARCH_NO_SG_CHAIN + select ARCH_SPLIT_ARG64 if !64BIT select ARCH_SUPPORTS_HUGETLBFS if PA20 select ARCH_SUPPORTS_MEMORY_FAILURE select DMA_OPS diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index 02e849a65a..89b6c6673f 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -1071,8 +1071,7 @@ ENTRY_CFI(intr_save) /* for os_hpmc */ STREG %r16, PT_ISR(%r29) STREG %r17, PT_IOR(%r29) -#if 0 && defined(CONFIG_64BIT) - /* Revisit when we have 64-bit code above 4Gb */ +#if defined(CONFIG_64BIT) b,n intr_save2 skip_save_ior: @@ -1080,8 +1079,7 @@ skip_save_ior: * need to adjust iasq/iaoq here in the same way we adjusted isr/ior * above. */ - extrd,u,* %r8,PSW_W_BIT,1,%r1 - cmpib,COND(=),n 1,%r1,intr_save2 + bb,COND(>=),n %r8,PSW_W_BIT,intr_save2 LDREG PT_IASQ0(%r29), %r16 LDREG PT_IAOQ0(%r29), %r17 /* adjust iasq/iaoq */ diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 5d9044e65a..04127377b7 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -518,7 +518,7 @@ void do_cpu_irq_mask(struct pt_regs *regs) old_regs = set_irq_regs(regs); local_irq_disable(); - irq_enter(); + irq_enter_rcu(); eirr_val = mfctl(23) & cpu_eiem & per_cpu(local_ack_eiem, cpu); if (!eirr_val) @@ -553,7 +553,7 @@ void do_cpu_irq_mask(struct pt_regs *regs) #endif /* CONFIG_IRQSTACKS */ out: - irq_exit(); + irq_exit_rcu(); set_irq_regs(old_regs); return; diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c index 2a12a547b4..826c8e51b5 100644 --- a/arch/parisc/kernel/sys_parisc32.c +++ b/arch/parisc/kernel/sys_parisc32.c @@ -23,12 +23,3 @@ asmlinkage long sys32_unimplemented(int r26, int r25, int r24, int r23, current->comm, current->pid, r20); return -ENOSYS; } - -asmlinkage long sys32_fanotify_mark(compat_int_t fanotify_fd, compat_uint_t flags, - compat_uint_t mask0, compat_uint_t mask1, compat_int_t dfd, - const char __user * pathname) -{ - return sys_fanotify_mark(fanotify_fd, flags, - ((__u64)mask1 << 32) | mask0, - dfd, pathname); -} diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index 9842dcb204..2b8e51a856 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -217,10 +217,10 @@ linux_gateway_entry: #ifdef CONFIG_64BIT ldil L%sys_call_table, %r1 - or,= %r2,%r2,%r2 - addil L%(sys_call_table64-sys_call_table), %r1 + or,ev %r2,%r2,%r2 + ldil L%sys_call_table64, %r1 ldo R%sys_call_table(%r1), %r19 - or,= %r2,%r2,%r2 + or,ev %r2,%r2,%r2 ldo R%sys_call_table64(%r1), %r19 #else load32 sys_call_table, %r19 @@ -355,10 +355,10 @@ tracesys_next: extrd,u %r19,63,1,%r2 /* W hidden in bottom bit */ ldil L%sys_call_table, %r1 - or,= %r2,%r2,%r2 - addil L%(sys_call_table64-sys_call_table), %r1 + or,ev %r2,%r2,%r2 + ldil L%sys_call_table64, %r1 ldo R%sys_call_table(%r1), %r19 - or,= %r2,%r2,%r2 + or,ev %r2,%r2,%r2 ldo R%sys_call_table64(%r1), %r19 #else load32 sys_call_table, %r19 @@ -932,6 +932,8 @@ ENTRY(sys_call_table) END(sys_call_table) #ifdef CONFIG_64BIT +#undef __SYSCALL_WITH_COMPAT +#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native) .align 8 ENTRY(sys_call_table64) #include /* 64-bit syscalls */ diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl index 50c759f11c..5774509ea4 100644 --- a/arch/parisc/kernel/syscalls/syscall.tbl +++ b/arch/parisc/kernel/syscalls/syscall.tbl @@ -108,7 +108,7 @@ 95 common fchown sys_fchown 96 common getpriority sys_getpriority 97 common setpriority sys_setpriority -98 common recv sys_recv +98 common recv sys_recv compat_sys_recv 99 common statfs sys_statfs compat_sys_statfs 100 common fstatfs sys_fstatfs compat_sys_fstatfs 101 common stat64 sys_stat64 @@ -135,7 +135,7 @@ 120 common clone sys_clone_wrapper 121 common setdomainname sys_setdomainname 122 common sendfile sys_sendfile compat_sys_sendfile -123 common recvfrom sys_recvfrom +123 common recvfrom sys_recvfrom compat_sys_recvfrom 124 32 adjtimex sys_adjtimex_time32 124 64 adjtimex sys_adjtimex 125 common mprotect sys_mprotect @@ -364,7 +364,7 @@ 320 common accept4 sys_accept4 321 common prlimit64 sys_prlimit64 322 common fanotify_init sys_fanotify_init -323 common fanotify_mark sys_fanotify_mark sys32_fanotify_mark +323 common fanotify_mark sys_fanotify_mark compat_sys_fanotify_mark 324 32 clock_adjtime sys_clock_adjtime32 324 64 clock_adjtime sys_clock_adjtime 325 common name_to_handle_at sys_name_to_handle_at diff --git a/arch/powerpc/boot/simple_alloc.c b/arch/powerpc/boot/simple_alloc.c index 65ec135d01..bc99f75b85 100644 --- a/arch/powerpc/boot/simple_alloc.c +++ b/arch/powerpc/boot/simple_alloc.c @@ -114,8 +114,11 @@ static void *simple_realloc(void *ptr, unsigned long size) return ptr; new = simple_malloc(size); - memcpy(new, ptr, p->size); - simple_free(ptr); + if (new) { + memcpy(new, ptr, p->size); + simple_free(ptr); + } + return new; } diff --git a/arch/powerpc/configs/85xx-hw.config b/arch/powerpc/configs/85xx-hw.config index 524db76f47..8aff832173 100644 --- a/arch/powerpc/configs/85xx-hw.config +++ b/arch/powerpc/configs/85xx-hw.config @@ -24,6 +24,7 @@ CONFIG_FS_ENET=y CONFIG_FSL_CORENET_CF=y CONFIG_FSL_DMA=y CONFIG_FSL_HV_MANAGER=y +CONFIG_FSL_IFC=y CONFIG_FSL_PQ_MDIO=y CONFIG_FSL_RIO=y CONFIG_FSL_XGMAC_MDIO=y @@ -58,6 +59,7 @@ CONFIG_INPUT_FF_MEMLESS=m CONFIG_MARVELL_PHY=y CONFIG_MDIO_BUS_MUX_GPIO=y CONFIG_MDIO_BUS_MUX_MMIOREG=y +CONFIG_MEMORY=y CONFIG_MMC_SDHCI_OF_ESDHC=y CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_SDHCI=y diff --git a/arch/powerpc/include/asm/fadump-internal.h b/arch/powerpc/include/asm/fadump-internal.h index 8d61c8f3fe..d06b2be645 100644 --- a/arch/powerpc/include/asm/fadump-internal.h +++ b/arch/powerpc/include/asm/fadump-internal.h @@ -19,11 +19,6 @@ #define memblock_num_regions(memblock_type) (memblock.memblock_type.cnt) -/* Alignment per CMA requirement. */ -#define FADUMP_CMA_ALIGNMENT (PAGE_SIZE << \ - max_t(unsigned long, MAX_ORDER - 1, \ - pageblock_order)) - /* FAD commands */ #define FADUMP_REGISTER 1 #define FADUMP_UNREGISTER 2 diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index c25f160bb9..47cec207e5 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm/hvcall.h @@ -472,7 +472,7 @@ long plpar_hcall_norets_notrace(unsigned long opcode, ...); * Used for all but the craziest of phyp interfaces (see plpar_hcall9) */ #define PLPAR_HCALL_BUFSIZE 4 -long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...); +long plpar_hcall(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL_BUFSIZE], ...); /** * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats @@ -486,7 +486,7 @@ long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...); * plpar_hcall, but plpar_hcall_raw works in real mode and does not * calculate hypervisor call statistics. */ -long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...); +long plpar_hcall_raw(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL_BUFSIZE], ...); /** * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments @@ -497,8 +497,8 @@ long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...); * PLPAR_HCALL9_BUFSIZE to size the return argument buffer. */ #define PLPAR_HCALL9_BUFSIZE 9 -long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...); -long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...); +long plpar_hcall9(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL9_BUFSIZE], ...); +long plpar_hcall9_raw(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL9_BUFSIZE], ...); struct hvcall_mpp_data { unsigned long entitled_mem; diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h index e592e65e76..49285b147a 100644 --- a/arch/powerpc/include/asm/interrupt.h +++ b/arch/powerpc/include/asm/interrupt.h @@ -285,18 +285,24 @@ static inline void interrupt_nmi_enter_prepare(struct pt_regs *regs, struct inte /* * Do not use nmi_enter() for pseries hash guest taking a real-mode * NMI because not everything it touches is within the RMA limit. + * + * Likewise, do not use it in real mode if percpu first chunk is not + * embedded. With CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK enabled there + * are chances where percpu allocation can come from vmalloc area. */ - if (!IS_ENABLED(CONFIG_PPC_BOOK3S_64) || + if ((!IS_ENABLED(CONFIG_PPC_BOOK3S_64) || !firmware_has_feature(FW_FEATURE_LPAR) || - radix_enabled() || (mfmsr() & MSR_DR)) + radix_enabled() || (mfmsr() & MSR_DR)) && + !percpu_first_chunk_is_paged) nmi_enter(); } static inline void interrupt_nmi_exit_prepare(struct pt_regs *regs, struct interrupt_nmi_state *state) { - if (!IS_ENABLED(CONFIG_PPC_BOOK3S_64) || + if ((!IS_ENABLED(CONFIG_PPC_BOOK3S_64) || !firmware_has_feature(FW_FEATURE_LPAR) || - radix_enabled() || (mfmsr() & MSR_DR)) + radix_enabled() || (mfmsr() & MSR_DR)) && + !percpu_first_chunk_is_paged) nmi_exit(); /* diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index a4fe129290..636605f91e 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -45,7 +45,7 @@ extern struct pci_dev *isa_bridge_pcidev; * define properly based on the platform */ #ifndef CONFIG_PCI -#define _IO_BASE 0 +#define _IO_BASE POISON_POINTER_DELTA #define _ISA_MEM_BASE 0 #define PCI_DRAM_OFFSET 0 #elif defined(CONFIG_PPC32) @@ -556,12 +556,12 @@ __do_out_asm(_rec_outl, "stwbrx") #define __do_inw(port) _rec_inw(port) #define __do_inl(port) _rec_inl(port) #else /* CONFIG_PPC32 */ -#define __do_outb(val, port) writeb(val,(PCI_IO_ADDR)_IO_BASE+port); -#define __do_outw(val, port) writew(val,(PCI_IO_ADDR)_IO_BASE+port); -#define __do_outl(val, port) writel(val,(PCI_IO_ADDR)_IO_BASE+port); -#define __do_inb(port) readb((PCI_IO_ADDR)_IO_BASE + port); -#define __do_inw(port) readw((PCI_IO_ADDR)_IO_BASE + port); -#define __do_inl(port) readl((PCI_IO_ADDR)_IO_BASE + port); +#define __do_outb(val, port) writeb(val,(PCI_IO_ADDR)(_IO_BASE+port)); +#define __do_outw(val, port) writew(val,(PCI_IO_ADDR)(_IO_BASE+port)); +#define __do_outl(val, port) writel(val,(PCI_IO_ADDR)(_IO_BASE+port)); +#define __do_inb(port) readb((PCI_IO_ADDR)(_IO_BASE + port)); +#define __do_inw(port) readw((PCI_IO_ADDR)(_IO_BASE + port)); +#define __do_inl(port) readl((PCI_IO_ADDR)(_IO_BASE + port)); #endif /* !CONFIG_PPC32 */ #ifdef CONFIG_EEH @@ -577,12 +577,12 @@ __do_out_asm(_rec_outl, "stwbrx") #define __do_writesw(a, b, n) _outsw(PCI_FIX_ADDR(a),(b),(n)) #define __do_writesl(a, b, n) _outsl(PCI_FIX_ADDR(a),(b),(n)) -#define __do_insb(p, b, n) readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) -#define __do_insw(p, b, n) readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) -#define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) -#define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) -#define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) -#define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) +#define __do_insb(p, b, n) readsb((PCI_IO_ADDR)(_IO_BASE+(p)), (b), (n)) +#define __do_insw(p, b, n) readsw((PCI_IO_ADDR)(_IO_BASE+(p)), (b), (n)) +#define __do_insl(p, b, n) readsl((PCI_IO_ADDR)(_IO_BASE+(p)), (b), (n)) +#define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)(_IO_BASE+(p)),(b),(n)) +#define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)(_IO_BASE+(p)),(b),(n)) +#define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)(_IO_BASE+(p)),(b),(n)) #define __do_memset_io(addr, c, n) \ _memset_io(PCI_FIX_ADDR(addr), c, n) diff --git a/arch/powerpc/include/asm/percpu.h b/arch/powerpc/include/asm/percpu.h index 8e5b7d0b85..634970ce13 100644 --- a/arch/powerpc/include/asm/percpu.h +++ b/arch/powerpc/include/asm/percpu.h @@ -15,6 +15,16 @@ #endif /* CONFIG_SMP */ #endif /* __powerpc64__ */ +#if defined(CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK) && defined(CONFIG_SMP) +#include +DECLARE_STATIC_KEY_FALSE(__percpu_first_chunk_is_paged); + +#define percpu_first_chunk_is_paged \ + (static_key_enabled(&__percpu_first_chunk_is_paged.key)) +#else +#define percpu_first_chunk_is_paged false +#endif /* CONFIG_PPC64 && CONFIG_SMP */ + #include #include diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index b2680070d6..6013a7fc74 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -90,9 +90,20 @@ __pu_failed: \ : \ : label) +#ifdef CONFIG_CC_IS_CLANG +#define DS_FORM_CONSTRAINT "Z<>" +#else +#define DS_FORM_CONSTRAINT "YZ<>" +#endif + #ifdef __powerpc64__ -#define __put_user_asm2_goto(x, ptr, label) \ - __put_user_asm_goto(x, ptr, label, "std") +#define __put_user_asm2_goto(x, addr, label) \ + asm goto ("1: std%U1%X1 %0,%1 # put_user\n" \ + EX_TABLE(1b, %l2) \ + : \ + : "r" (x), DS_FORM_CONSTRAINT (*addr) \ + : \ + : label) #else /* __powerpc64__ */ #define __put_user_asm2_goto(x, addr, label) \ asm_volatile_goto( \ diff --git a/arch/powerpc/kernel/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c index 845e024321..a856d9ba42 100644 --- a/arch/powerpc/kernel/eeh_pe.c +++ b/arch/powerpc/kernel/eeh_pe.c @@ -849,6 +849,7 @@ struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe) { struct eeh_dev *edev; struct pci_dev *pdev; + struct pci_bus *bus = NULL; if (pe->type & EEH_PE_PHB) return pe->phb->bus; @@ -859,9 +860,11 @@ struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe) /* Retrieve the parent PCI bus of first (top) PCI device */ edev = list_first_entry_or_null(&pe->edevs, struct eeh_dev, entry); + pci_lock_rescan_remove(); pdev = eeh_dev_to_pci_dev(edev); if (pdev) - return pdev->bus; + bus = pdev->bus; + pci_unlock_rescan_remove(); - return NULL; + return bus; } diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c index d496dc5151..35b142ad0e 100644 --- a/arch/powerpc/kernel/fadump.c +++ b/arch/powerpc/kernel/fadump.c @@ -544,7 +544,7 @@ int __init fadump_reserve_mem(void) if (!fw_dump.nocma) { fw_dump.boot_memory_size = ALIGN(fw_dump.boot_memory_size, - FADUMP_CMA_ALIGNMENT); + CMA_MIN_ALIGNMENT_BYTES); } #endif diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index 0d073b9fd5..4e409eee42 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -40,12 +40,12 @@ #include "head_32.h" .macro compare_to_kernel_boundary scratch, addr -#if CONFIG_TASK_SIZE <= 0x80000000 && CONFIG_PAGE_OFFSET >= 0x80000000 +#if CONFIG_TASK_SIZE <= 0x80000000 && MODULES_VADDR >= 0x80000000 /* By simply checking Address >= 0x80000000, we know if its a kernel address */ not. \scratch, \addr #else rlwinm \scratch, \addr, 16, 0xfff8 - cmpli cr0, \scratch, PAGE_OFFSET@h + cmpli cr0, \scratch, TASK_SIZE@h #endif .endm @@ -403,7 +403,7 @@ FixupDAR:/* Entry point for dcbx workaround. */ mfspr r10, SPRN_SRR0 mtspr SPRN_MD_EPN, r10 rlwinm r11, r10, 16, 0xfff8 - cmpli cr1, r11, PAGE_OFFSET@h + cmpli cr1, r11, TASK_SIZE@h mfspr r11, SPRN_M_TWB /* Get level 1 table */ blt+ cr1, 3f diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 42338e2921..6192088159 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -889,6 +889,7 @@ void __init setup_arch(char **cmdline_p) mem_topology_setup(); /* Set max_mapnr before paging_init() */ set_max_mapnr(max_pfn); + high_memory = (void *)__va(max_low_pfn * PAGE_SIZE); /* * Release secondary cpus out of their spinloops at 0x60 now that diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index eaa79a0996..37d5683ab2 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -825,6 +825,7 @@ static int pcpu_cpu_distance(unsigned int from, unsigned int to) unsigned long __per_cpu_offset[NR_CPUS] __read_mostly; EXPORT_SYMBOL(__per_cpu_offset); +DEFINE_STATIC_KEY_FALSE(__percpu_first_chunk_is_paged); static void __init pcpu_populate_pte(unsigned long addr) { @@ -904,6 +905,7 @@ void __init setup_per_cpu_areas(void) if (rc < 0) panic("cannot initialize percpu area (err=%d)", rc); + static_key_enable(&__percpu_first_chunk_is_paged.key); delta = (unsigned long)pcpu_base_addr - (unsigned long)__per_cpu_start; for_each_possible_cpu(cpu) { __per_cpu_offset[cpu] = delta + pcpu_unit_offsets[cpu]; diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl index 7bef917cc8..b24711e7f9 100644 --- a/arch/powerpc/kernel/syscalls/syscall.tbl +++ b/arch/powerpc/kernel/syscalls/syscall.tbl @@ -495,7 +495,7 @@ 412 32 utimensat_time64 sys_utimensat sys_utimensat 413 32 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64 414 32 ppoll_time64 sys_ppoll compat_sys_ppoll_time64 -416 32 io_pgetevents_time64 sys_io_pgetevents sys_io_pgetevents +416 32 io_pgetevents_time64 sys_io_pgetevents compat_sys_io_pgetevents_time64 417 32 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64 418 32 mq_timedsend_time64 sys_mq_timedsend sys_mq_timedsend 419 32 mq_timedreceive_time64 sys_mq_timedreceive sys_mq_timedreceive diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c index 3cb2e05a7e..a8e5eefee7 100644 --- a/arch/powerpc/kvm/book3s_64_vio.c +++ b/arch/powerpc/kvm/book3s_64_vio.c @@ -117,14 +117,16 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd, } rcu_read_unlock(); - fdput(f); - - if (!found) + if (!found) { + fdput(f); return -EINVAL; + } table_group = iommu_group_get_iommudata(grp); - if (WARN_ON(!table_group)) + if (WARN_ON(!table_group)) { + fdput(f); return -EFAULT; + } for (i = 0; i < IOMMU_TABLE_GROUP_MAX_TABLES; ++i) { struct iommu_table *tbltmp = table_group->tables[i]; @@ -145,8 +147,10 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd, break; } } - if (!tbl) + if (!tbl) { + fdput(f); return -EINVAL; + } rcu_read_lock(); list_for_each_entry_rcu(stit, &stt->iommu_tables, next) { @@ -157,6 +161,7 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd, /* stit is being destroyed */ iommu_tce_table_put(tbl); rcu_read_unlock(); + fdput(f); return -ENOTTY; } /* @@ -164,6 +169,7 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd, * its KVM reference counter and can return. */ rcu_read_unlock(); + fdput(f); return 0; } rcu_read_unlock(); @@ -171,6 +177,7 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd, stit = kzalloc(sizeof(*stit), GFP_KERNEL); if (!stit) { iommu_tce_table_put(tbl); + fdput(f); return -ENOMEM; } @@ -179,6 +186,7 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd, list_add_rcu(&stit->next, &stt->iommu_tables); + fdput(f); return 0; } diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index ee305455bd..fc7174b32e 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -1963,8 +1963,10 @@ static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu, break; r = -ENXIO; - if (!xive_enabled()) + if (!xive_enabled()) { + fdput(f); break; + } r = -EPERM; dev = kvm_device_from_filp(f.file); diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c index 692c336e4f..75c7f35666 100644 --- a/arch/powerpc/mm/book3s32/mmu.c +++ b/arch/powerpc/mm/book3s32/mmu.c @@ -165,7 +165,7 @@ unsigned long __init mmu_mapin_ram(unsigned long base, unsigned long top) size = roundup_pow_of_two((unsigned long)_einittext - PAGE_OFFSET); setibat(0, PAGE_OFFSET, 0, size, PAGE_KERNEL_X); - if (debug_pagealloc_enabled_or_kfence() || __map_without_bats) { + if (debug_pagealloc_enabled_or_kfence()) { pr_debug_once("Read-Write memory mapped without BATs\n"); if (base >= border) return base; diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index 3d690be48e..967432d1b6 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -70,12 +70,6 @@ EXPORT_SYMBOL(agp_special_page); void MMU_init(void); -/* - * this tells the system to map all of ram with the segregs - * (i.e. page tables) instead of the bats. - * -- Cort - */ -int __map_without_bats; int __map_without_ltlbs; /* max amount of low RAM to map in */ @@ -86,14 +80,6 @@ unsigned long __max_low_memory = MAX_LOW_MEM; */ static void __init MMU_setup(void) { - /* Check for nobats option (used in mapin_ram). */ - if (strstr(boot_command_line, "nobats")) { - __map_without_bats = 1; - } - - if (strstr(boot_command_line, "noltlbs")) { - __map_without_ltlbs = 1; - } if (IS_ENABLED(CONFIG_PPC_8xx)) return; diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 01fc77564c..b26c0fa776 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -287,8 +287,6 @@ void __init mem_init(void) swiotlb_init(0); #endif - high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); - kasan_late_init(); memblock_free_all(); diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h index 21996b9e0a..990dccf45f 100644 --- a/arch/powerpc/mm/mmu_decl.h +++ b/arch/powerpc/mm/mmu_decl.h @@ -92,7 +92,6 @@ extern void mapin_ram(void); extern void setbat(int index, unsigned long virt, phys_addr_t phys, unsigned int size, pgprot_t prot); -extern int __map_without_bats; extern unsigned int rtas_data, rtas_size; struct hash_pte; diff --git a/arch/powerpc/mm/nohash/8xx.c b/arch/powerpc/mm/nohash/8xx.c index 5348e1f9eb..3876d17101 100644 --- a/arch/powerpc/mm/nohash/8xx.c +++ b/arch/powerpc/mm/nohash/8xx.c @@ -18,8 +18,6 @@ #define IMMR_SIZE (FIX_IMMR_SIZE << PAGE_SHIFT) -extern int __map_without_ltlbs; - static unsigned long block_mapped_ram; /* @@ -32,8 +30,6 @@ phys_addr_t v_block_mapped(unsigned long va) if (va >= VIRT_IMMR_BASE && va < VIRT_IMMR_BASE + IMMR_SIZE) return p + va - VIRT_IMMR_BASE; - if (__map_without_ltlbs) - return 0; if (va >= PAGE_OFFSET && va < PAGE_OFFSET + block_mapped_ram) return __pa(va); return 0; @@ -49,8 +45,6 @@ unsigned long p_block_mapped(phys_addr_t pa) if (pa >= p && pa < p + IMMR_SIZE) return VIRT_IMMR_BASE + pa - p; - if (__map_without_ltlbs) - return 0; if (pa < block_mapped_ram) return (unsigned long)__va(pa); return 0; @@ -157,14 +151,11 @@ unsigned long __init mmu_mapin_ram(unsigned long base, unsigned long top) mmu_mapin_immr(); - if (__map_without_ltlbs) - return 0; - - mmu_mapin_ram_chunk(0, boundary, PAGE_KERNEL_TEXT, true); + mmu_mapin_ram_chunk(0, boundary, PAGE_KERNEL_X, true); if (debug_pagealloc_enabled_or_kfence()) { top = boundary; } else { - mmu_mapin_ram_chunk(boundary, einittext8, PAGE_KERNEL_TEXT, true); + mmu_mapin_ram_chunk(boundary, einittext8, PAGE_KERNEL_X, true); mmu_mapin_ram_chunk(einittext8, top, PAGE_KERNEL, true); } diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 9c038c8ceb..a756f3f5a2 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1162,6 +1162,9 @@ void __init mem_topology_setup(void) { int cpu; + max_low_pfn = max_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT; + min_low_pfn = MEMORY_START >> PAGE_SHIFT; + /* * Linux/mm assumes node 0 to be online at boot. However this is not * true on PowerPC, where node 0 is similar to any other node, it @@ -1206,9 +1209,6 @@ void __init initmem_init(void) { int nid; - max_low_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT; - max_pfn = max_low_pfn; - memblock_dump_all(); for_each_online_node(nid) { diff --git a/arch/powerpc/platforms/83xx/misc.c b/arch/powerpc/platforms/83xx/misc.c index 3285dabcf9..2fb2a85d13 100644 --- a/arch/powerpc/platforms/83xx/misc.c +++ b/arch/powerpc/platforms/83xx/misc.c @@ -121,17 +121,15 @@ void __init mpc83xx_setup_pci(void) void __init mpc83xx_setup_arch(void) { + phys_addr_t immrbase = get_immrbase(); + int immrsize = IS_ALIGNED(immrbase, SZ_2M) ? SZ_2M : SZ_1M; + unsigned long va = fix_to_virt(FIX_IMMR_BASE); + if (ppc_md.progress) ppc_md.progress("mpc83xx_setup_arch()", 0); - if (!__map_without_bats) { - phys_addr_t immrbase = get_immrbase(); - int immrsize = IS_ALIGNED(immrbase, SZ_2M) ? SZ_2M : SZ_1M; - unsigned long va = fix_to_virt(FIX_IMMR_BASE); - - setbat(-1, va, immrbase, immrsize, PAGE_KERNEL_NCG); - update_bats(); - } + setbat(-1, va, immrbase, immrsize, PAGE_KERNEL_NCG); + update_bats(); } int machine_check_83xx(struct pt_regs *regs) diff --git a/arch/powerpc/platforms/powernv/opal-irqchip.c b/arch/powerpc/platforms/powernv/opal-irqchip.c index 391f505352..e9849d70ae 100644 --- a/arch/powerpc/platforms/powernv/opal-irqchip.c +++ b/arch/powerpc/platforms/powernv/opal-irqchip.c @@ -282,6 +282,7 @@ int __init opal_event_init(void) name, NULL); if (rc) { pr_warn("Error %d requesting OPAL irq %d\n", rc, (int)r->start); + kfree(name); continue; } } diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index d25053755c..309a72518e 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -314,8 +314,8 @@ static int alloc_dispatch_log_kmem_cache(void) { void (*ctor)(void *) = get_dtl_cache_ctor(); - dtl_cache = kmem_cache_create("dtl", DISPATCH_LOG_BYTES, - DISPATCH_LOG_BYTES, 0, ctor); + dtl_cache = kmem_cache_create_usercopy("dtl", DISPATCH_LOG_BYTES, + DISPATCH_LOG_BYTES, 0, 0, DISPATCH_LOG_BYTES, ctor); if (!dtl_cache) { pr_warn("Failed to create dispatch trace log buffer cache\n"); pr_warn("Stolen time statistics will be unreliable\n"); diff --git a/arch/powerpc/sysdev/xics/icp-native.c b/arch/powerpc/sysdev/xics/icp-native.c index 7d13d2ef5a..66de291b27 100644 --- a/arch/powerpc/sysdev/xics/icp-native.c +++ b/arch/powerpc/sysdev/xics/icp-native.c @@ -235,6 +235,8 @@ static int __init icp_native_map_one_cpu(int hw_id, unsigned long addr, rname = kasprintf(GFP_KERNEL, "CPU %d [0x%x] Interrupt Presentation", cpu, hw_id); + if (!rname) + return -ENOMEM; if (!request_mem_region(addr, size, rname)) { pr_warn("icp_native: Could not reserve ICP MMIO for CPU %d, interrupt server #0x%x\n", cpu, hw_id); diff --git a/arch/powerpc/xmon/ppc-dis.c b/arch/powerpc/xmon/ppc-dis.c index 75fa98221d..af105e1bc3 100644 --- a/arch/powerpc/xmon/ppc-dis.c +++ b/arch/powerpc/xmon/ppc-dis.c @@ -122,32 +122,21 @@ int print_insn_powerpc (unsigned long insn, unsigned long memaddr) bool insn_is_short; ppc_cpu_t dialect; - dialect = PPC_OPCODE_PPC | PPC_OPCODE_COMMON - | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | PPC_OPCODE_ALTIVEC; + dialect = PPC_OPCODE_PPC | PPC_OPCODE_COMMON; - if (cpu_has_feature(CPU_FTRS_POWER5)) - dialect |= PPC_OPCODE_POWER5; + if (IS_ENABLED(CONFIG_PPC64)) + dialect |= PPC_OPCODE_64 | PPC_OPCODE_POWER4 | PPC_OPCODE_CELL | + PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | + PPC_OPCODE_POWER9; - if (cpu_has_feature(CPU_FTRS_CELL)) - dialect |= (PPC_OPCODE_CELL | PPC_OPCODE_ALTIVEC); + if (cpu_has_feature(CPU_FTR_TM)) + dialect |= PPC_OPCODE_HTM; - if (cpu_has_feature(CPU_FTRS_POWER6)) - dialect |= (PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_ALTIVEC); + if (cpu_has_feature(CPU_FTR_ALTIVEC)) + dialect |= PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2; - if (cpu_has_feature(CPU_FTRS_POWER7)) - dialect |= (PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 - | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX); - - if (cpu_has_feature(CPU_FTRS_POWER8)) - dialect |= (PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 - | PPC_OPCODE_POWER8 | PPC_OPCODE_HTM - | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_VSX); - - if (cpu_has_feature(CPU_FTRS_POWER9)) - dialect |= (PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 - | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9 | PPC_OPCODE_HTM - | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 - | PPC_OPCODE_VSX | PPC_OPCODE_VSX3); + if (cpu_has_feature(CPU_FTR_VSX)) + dialect |= PPC_OPCODE_VSX | PPC_OPCODE_VSX3; /* Get the major opcode of the insn. */ opcode = NULL; diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 8b5277c3b1..4178d5e8b4 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -1356,7 +1356,7 @@ static int cpu_cmd(void) } termch = cpu; - if (!scanhex(&cpu)) { + if (!scanhex(&cpu) || cpu >= num_possible_cpus()) { /* print cpus waiting or in xmon */ printf("cpus stopped:"); last_cpu = first_cpu = NR_CPUS; @@ -2771,7 +2771,7 @@ static void dump_pacas(void) termch = c; /* Put c back, it wasn't 'a' */ - if (scanhex(&num)) + if (scanhex(&num) && num < num_possible_cpus()) dump_one_paca(num); else dump_one_paca(xmon_owner); @@ -2844,7 +2844,7 @@ static void dump_xives(void) termch = c; /* Put c back, it wasn't 'a' */ - if (scanhex(&num)) + if (scanhex(&num) && num < num_possible_cpus()) dump_one_xive(num); else dump_one_xive(xmon_owner); diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 8dd7f01ee0..7d163b0d0b 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -210,6 +210,11 @@ config GENERIC_HWEIGHT config FIX_EARLYCON_MEM def_bool MMU +config ILLEGAL_POINTER_VALUE + hex + default 0 if 32BIT + default 0xdead000000000000 if 64BIT + config PGTABLE_LEVELS int default 3 if 64BIT diff --git a/arch/riscv/kernel/asm-offsets.c b/arch/riscv/kernel/asm-offsets.c index 90f8ce64fa..0b6064fec9 100644 --- a/arch/riscv/kernel/asm-offsets.c +++ b/arch/riscv/kernel/asm-offsets.c @@ -4,8 +4,6 @@ * Copyright (C) 2017 SiFive */ -#define GENERATING_ASM_OFFSETS - #include #include #include diff --git a/arch/riscv/kernel/cpu-hotplug.c b/arch/riscv/kernel/cpu-hotplug.c index 66ddfba1cf..28a3fa6e67 100644 --- a/arch/riscv/kernel/cpu-hotplug.c +++ b/arch/riscv/kernel/cpu-hotplug.c @@ -71,7 +71,7 @@ void __cpu_die(unsigned int cpu) if (cpu_ops[cpu]->cpu_is_stopped) ret = cpu_ops[cpu]->cpu_is_stopped(cpu); if (ret) - pr_warn("CPU%d may not have stopped: %d\n", cpu, ret); + pr_warn("CPU%u may not have stopped: %d\n", cpu, ret); } /* diff --git a/arch/riscv/kernel/efi-header.S b/arch/riscv/kernel/efi-header.S index 8e733aa48b..c306f3a6a8 100644 --- a/arch/riscv/kernel/efi-header.S +++ b/arch/riscv/kernel/efi-header.S @@ -59,7 +59,7 @@ extra_header_fields: .long efi_header_end - _start // SizeOfHeaders .long 0 // CheckSum .short IMAGE_SUBSYSTEM_EFI_APPLICATION // Subsystem - .short 0 // DllCharacteristics + .short IMAGE_DLL_CHARACTERISTICS_NX_COMPAT // DllCharacteristics .quad 0 // SizeOfStackReserve .quad 0 // SizeOfStackCommit .quad 0 // SizeOfHeapReserve diff --git a/arch/riscv/kernel/head.S b/arch/riscv/kernel/head.S index 4c3c7592b6..a89c59fb08 100644 --- a/arch/riscv/kernel/head.S +++ b/arch/riscv/kernel/head.S @@ -309,6 +309,9 @@ clear_bss_done: #else mv a0, s1 #endif /* CONFIG_BUILTIN_DTB */ + /* Set trap vector to spin forever to help debug */ + la a3, .Lsecondary_park + csrw CSR_TVEC, a3 call setup_vm #ifdef CONFIG_MMU la a0, early_pg_dir diff --git a/arch/riscv/kernel/machine_kexec.c b/arch/riscv/kernel/machine_kexec.c index db41c676e5..7889dfb55c 100644 --- a/arch/riscv/kernel/machine_kexec.c +++ b/arch/riscv/kernel/machine_kexec.c @@ -163,20 +163,12 @@ static void machine_kexec_mask_interrupts(void) for_each_irq_desc(i, desc) { struct irq_chip *chip; - int ret; chip = irq_desc_get_chip(desc); if (!chip) continue; - /* - * First try to remove the active state. If this - * fails, try to EOI the interrupt. - */ - ret = irq_set_irqchip_state(i, IRQCHIP_STATE_ACTIVE, false); - - if (ret && irqd_irq_inprogress(&desc->irq_data) && - chip->irq_eoi) + if (chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data)) chip->irq_eoi(&desc->irq_data); if (chip->irq_mask) diff --git a/arch/riscv/kernel/perf_callchain.c b/arch/riscv/kernel/perf_callchain.c index 357f985041..31b105fb77 100644 --- a/arch/riscv/kernel/perf_callchain.c +++ b/arch/riscv/kernel/perf_callchain.c @@ -67,7 +67,7 @@ void perf_callchain_user(struct perf_callchain_entry_ctx *entry, perf_callchain_store(entry, regs->epc); fp = user_backtrace(entry, fp, regs->ra); - while (fp && !(fp & 0x3) && entry->nr < entry->max_stack) + while (fp && !(fp & 0x7) && entry->nr < entry->max_stack) fp = user_backtrace(entry, fp, 0); } diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c index 94721c484d..95b4ad1b67 100644 --- a/arch/riscv/kernel/stacktrace.c +++ b/arch/riscv/kernel/stacktrace.c @@ -34,6 +34,7 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs, bool (*fn)(void *, unsigned long), void *arg) { unsigned long fp, sp, pc; + int graph_idx = 0; int level = 0; if (regs) { @@ -70,7 +71,7 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs, pc = regs->ra; } else { fp = frame->fp; - pc = ftrace_graph_ret_addr(current, NULL, frame->ra, + pc = ftrace_graph_ret_addr(current, &graph_idx, frame->ra, &frame->ra); if (pc == (unsigned long)ret_from_exception) { if (unlikely(!__kernel_text_address(pc) || !fn(arg, pc))) diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c index b246c3dc69..d548d6992d 100644 --- a/arch/riscv/kernel/traps_misaligned.c +++ b/arch/riscv/kernel/traps_misaligned.c @@ -131,8 +131,6 @@ #define REG_PTR(insn, pos, regs) \ (ulong *)((ulong)(regs) + REG_OFFSET(insn, pos)) -#define GET_RM(insn) (((insn) >> 12) & 7) - #define GET_RS1(insn, regs) (*REG_PTR(insn, SH_RS1, regs)) #define GET_RS2(insn, regs) (*REG_PTR(insn, SH_RS2, regs)) #define GET_RS1S(insn, regs) (*REG_PTR(RVC_RS1S(insn), 0, regs)) diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile index 06e6b27f3b..c1b68f962b 100644 --- a/arch/riscv/kernel/vdso/Makefile +++ b/arch/riscv/kernel/vdso/Makefile @@ -18,6 +18,7 @@ obj-vdso = $(patsubst %, %.o, $(vdso-syms)) note.o ccflags-y := -fno-stack-protector ccflags-y += -DDISABLE_BRANCH_PROFILING +ccflags-y += -fno-builtin ifneq ($(c-gettimeofday-y),) CFLAGS_vgettimeofday.o += -fPIC -include $(c-gettimeofday-y) diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c index 884a3c7657..3fc62e05ba 100644 --- a/arch/riscv/mm/fault.c +++ b/arch/riscv/mm/fault.c @@ -60,26 +60,27 @@ static inline void no_context(struct pt_regs *regs, unsigned long addr) static inline void mm_fault_error(struct pt_regs *regs, unsigned long addr, vm_fault_t fault) { + if (!user_mode(regs)) { + no_context(regs, addr); + return; + } + if (fault & VM_FAULT_OOM) { /* * We ran out of memory, call the OOM killer, and return the userspace * (which will retry the fault, or kill us if we got oom-killed). */ - if (!user_mode(regs)) { - no_context(regs, addr); - return; - } pagefault_out_of_memory(); return; } else if (fault & VM_FAULT_SIGBUS) { /* Kernel mode? Handle exceptions or die */ - if (!user_mode(regs)) { - no_context(regs, addr); - return; - } do_trap(regs, SIGBUS, BUS_ADRERR, addr); return; + } else if (fault & VM_FAULT_SIGSEGV) { + do_trap(regs, SIGSEGV, SEGV_MAPERR, addr); + return; } + BUG(); } diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index d7115acab3..c30cc3ac93 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -105,10 +105,9 @@ static void __init print_vm_layout(void) #endif print_mlm("lowmem", (unsigned long)PAGE_OFFSET, (unsigned long)high_memory); -#ifdef CONFIG_64BIT - print_mlm("kernel", (unsigned long)KERNEL_LINK_ADDR, - (unsigned long)ADDRESS_SPACE_END); -#endif + if (IS_ENABLED(CONFIG_64BIT)) + print_mlm("kernel", (unsigned long)KERNEL_LINK_ADDR, + (unsigned long)ADDRESS_SPACE_END); } #else static void print_vm_layout(void) { } @@ -166,7 +165,7 @@ static void __init setup_bootmem(void) { phys_addr_t vmlinux_end = __pa_symbol(&_end); phys_addr_t vmlinux_start = __pa_symbol(&_start); - phys_addr_t __maybe_unused max_mapped_addr; + phys_addr_t max_mapped_addr; phys_addr_t phys_ram_end; #ifdef CONFIG_XIP_KERNEL @@ -175,17 +174,16 @@ static void __init setup_bootmem(void) memblock_enforce_memory_limit(memory_limit); - /* - * Reserve from the start of the kernel to the end of the kernel - */ -#if defined(CONFIG_64BIT) && defined(CONFIG_STRICT_KERNEL_RWX) /* * Make sure we align the reservation on PMD_SIZE since we will * map the kernel in the linear mapping as read-only: we do not want * any allocation to happen between _end and the next pmd aligned page. */ - vmlinux_end = (vmlinux_end + PMD_SIZE - 1) & PMD_MASK; -#endif + if (IS_ENABLED(CONFIG_64BIT) && IS_ENABLED(CONFIG_STRICT_KERNEL_RWX)) + vmlinux_end = (vmlinux_end + PMD_SIZE - 1) & PMD_MASK; + /* + * Reserve from the start of the kernel to the end of the kernel + */ memblock_reserve(vmlinux_start, vmlinux_end - vmlinux_start); @@ -193,20 +191,21 @@ static void __init setup_bootmem(void) #ifndef CONFIG_XIP_KERNEL phys_ram_base = memblock_start_of_DRAM(); #endif -#ifndef CONFIG_64BIT /* - * memblock allocator is not aware of the fact that last 4K bytes of - * the addressable memory can not be mapped because of IS_ERR_VALUE - * macro. Make sure that last 4k bytes are not usable by memblock - * if end of dram is equal to maximum addressable memory. For 64-bit - * kernel, this problem can't happen here as the end of the virtual - * address space is occupied by the kernel mapping then this check must - * be done as soon as the kernel mapping base address is determined. + * Reserve physical address space that would be mapped to virtual + * addresses greater than (void *)(-PAGE_SIZE) because: + * - This memory would overlap with ERR_PTR + * - This memory belongs to high memory, which is not supported + * + * This is not applicable to 64-bit kernel, because virtual addresses + * after (void *)(-PAGE_SIZE) are not linearly mapped: they are + * occupied by kernel mapping. Also it is unrealistic for high memory + * to exist on 64-bit platforms. */ - max_mapped_addr = __pa(~(ulong)0); - if (max_mapped_addr == (phys_ram_end - 1)) - memblock_set_current_limit(max_mapped_addr - 4096); -#endif + if (!IS_ENABLED(CONFIG_64BIT)) { + max_mapped_addr = __va_to_pa_nodebug(-PAGE_SIZE); + memblock_reserve(max_mapped_addr, (phys_addr_t)-max_mapped_addr); + } min_low_pfn = PFN_UP(phys_ram_base); max_low_pfn = max_pfn = PFN_DOWN(phys_ram_end); @@ -630,14 +629,6 @@ asmlinkage void __init setup_vm(uintptr_t dtb_pa) BUG_ON((PAGE_OFFSET % PGDIR_SIZE) != 0); BUG_ON((kernel_map.phys_addr % PMD_SIZE) != 0); -#ifdef CONFIG_64BIT - /* - * The last 4K bytes of the addressable memory can not be mapped because - * of IS_ERR_VALUE macro. - */ - BUG_ON((kernel_map.virt_addr + kernel_map.size) > ADDRESS_SPACE_END - SZ_4K); -#endif - pt_ops.alloc_pte = alloc_pte_early; pt_ops.get_pte_virt = get_pte_virt_early; #ifndef __PAGETABLE_PMD_FOLDED @@ -760,10 +751,9 @@ static void __init setup_vm_final(void) } } -#ifdef CONFIG_64BIT /* Map the kernel */ - create_kernel_page_table(swapper_pg_dir, false); -#endif + if (IS_ENABLED(CONFIG_64BIT)) + create_kernel_page_table(swapper_pg_dir, false); /* Clear fixmap PTE and PMD mappings */ clear_fixmap(FIX_PTE); diff --git a/arch/s390/include/asm/facility.h b/arch/s390/include/asm/facility.h index e3aa354ab9..bd7dc6fc13 100644 --- a/arch/s390/include/asm/facility.h +++ b/arch/s390/include/asm/facility.h @@ -56,8 +56,10 @@ static inline int test_facility(unsigned long nr) unsigned long facilities_als[] = { FACILITIES_ALS }; if (__builtin_constant_p(nr) && nr < sizeof(facilities_als) * 8) { - if (__test_facility(nr, &facilities_als)) - return 1; + if (__test_facility(nr, &facilities_als)) { + if (!__is_defined(__DECOMPRESSOR)) + return 1; + } } return __test_facility(nr, &stfle_fac_list); } diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index a604d51acf..7abbc5fb90 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -408,6 +408,7 @@ struct kvm_vcpu_stat { u64 instruction_io_other; u64 instruction_lpsw; u64 instruction_lpswe; + u64 instruction_lpswey; u64 instruction_pfmf; u64 instruction_ptff; u64 instruction_sck; diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h index b9da716328..ea340b9018 100644 --- a/arch/s390/include/asm/perf_event.h +++ b/arch/s390/include/asm/perf_event.h @@ -75,6 +75,7 @@ struct perf_sf_sde_regs { #define SAMPLE_FREQ_MODE(hwc) (SAMPL_FLAGS(hwc) & PERF_CPUM_SF_FREQ_MODE) #define perf_arch_fetch_caller_regs(regs, __ip) do { \ + (regs)->psw.mask = 0; \ (regs)->psw.addr = (__ip); \ (regs)->gprs[15] = (unsigned long)__builtin_frame_address(0) - \ offsetof(struct stack_frame, back_chain); \ diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index d7ca76bb27..2ba16e67c9 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -250,8 +250,8 @@ static inline void __load_psw(psw_t psw) */ static __always_inline void __load_psw_mask(unsigned long mask) { + psw_t psw __uninitialized; unsigned long addr; - psw_t psw; psw.mask = mask; diff --git a/arch/s390/include/asm/uv.h b/arch/s390/include/asm/uv.h index fe92a4caf5..56df0bc01e 100644 --- a/arch/s390/include/asm/uv.h +++ b/arch/s390/include/asm/uv.h @@ -312,7 +312,10 @@ static inline int share(unsigned long addr, u16 cmd) if (!uv_call(0, (u64)&uvcb)) return 0; - return -EINVAL; + pr_err("%s UVC failed (rc: 0x%x, rrc: 0x%x), possible hypervisor bug.\n", + uvcb.header.cmd == UVC_CMD_SET_SHARED_ACCESS ? "Share" : "Unshare", + uvcb.header.rc, uvcb.header.rrc); + panic("System security cannot be guaranteed unless the system panics now.\n"); } /* diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 9857cb0467..9898582f44 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -250,15 +250,9 @@ static inline void save_vector_registers(void) #endif } -static inline void setup_control_registers(void) +static inline void setup_low_address_protection(void) { - unsigned long reg; - - __ctl_store(reg, 0, 0); - reg |= CR0_LOW_ADDRESS_PROTECTION; - reg |= CR0_EMERGENCY_SIGNAL_SUBMASK; - reg |= CR0_EXTERNAL_CALL_SUBMASK; - __ctl_load(reg, 0, 0); + __ctl_set_bit(0, 28); } static inline void setup_access_registers(void) @@ -311,7 +305,7 @@ void __init startup_init(void) save_vector_registers(); setup_topology(); sclp_early_detect(); - setup_control_registers(); + setup_low_address_protection(); setup_access_registers(); lockdep_on(); } diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c index 4e6fadaeaa..a8ba3887b3 100644 --- a/arch/s390/kernel/perf_cpum_sf.c +++ b/arch/s390/kernel/perf_cpum_sf.c @@ -1432,7 +1432,7 @@ static int aux_output_begin(struct perf_output_handle *handle, unsigned long head, base, offset; struct hws_trailer_entry *te; - if (WARN_ON_ONCE(handle->head & ~PAGE_MASK)) + if (handle->head & ~PAGE_MASK) return -EINVAL; aux->head = handle->head >> PAGE_SHIFT; @@ -1613,7 +1613,7 @@ static void hw_collect_aux(struct cpu_hw_sf *cpuhw) unsigned long num_sdb; aux = perf_get_aux(handle); - if (WARN_ON_ONCE(!aux)) + if (!aux) return; /* Inform user space new data arrived */ @@ -1635,7 +1635,7 @@ static void hw_collect_aux(struct cpu_hw_sf *cpuhw) __func__); break; } - if (WARN_ON_ONCE(!aux)) + if (!aux) return; /* Update head and alert_mark to new position */ @@ -1870,12 +1870,8 @@ static void cpumsf_pmu_start(struct perf_event *event, int flags) { struct cpu_hw_sf *cpuhw = this_cpu_ptr(&cpu_hw_sf); - if (WARN_ON_ONCE(!(event->hw.state & PERF_HES_STOPPED))) + if (!(event->hw.state & PERF_HES_STOPPED)) return; - - if (flags & PERF_EF_RELOAD) - WARN_ON_ONCE(!(event->hw.state & PERF_HES_UPTODATE)); - perf_pmu_disable(event->pmu); event->hw.state = 0; cpuhw->lsctl.cs = 1; diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 35af70ed58..48f67a69d1 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -1003,12 +1003,12 @@ void __init smp_fill_possible_mask(void) void __init smp_prepare_cpus(unsigned int max_cpus) { - /* request the 0x1201 emergency signal external interrupt */ if (register_external_irq(EXT_IRQ_EMERGENCY_SIG, do_ext_call_interrupt)) panic("Couldn't request external interrupt 0x1201"); - /* request the 0x1202 external call external interrupt */ + ctl_set_bit(0, 14); if (register_external_irq(EXT_IRQ_EXTERNAL_CALL, do_ext_call_interrupt)) panic("Couldn't request external interrupt 0x1202"); + ctl_set_bit(0, 13); } void __init smp_prepare_boot_cpu(void) diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl index df5261e5cf..970561293e 100644 --- a/arch/s390/kernel/syscalls/syscall.tbl +++ b/arch/s390/kernel/syscalls/syscall.tbl @@ -418,7 +418,7 @@ 412 32 utimensat_time64 - sys_utimensat 413 32 pselect6_time64 - compat_sys_pselect6_time64 414 32 ppoll_time64 - compat_sys_ppoll_time64 -416 32 io_pgetevents_time64 - sys_io_pgetevents +416 32 io_pgetevents_time64 - compat_sys_io_pgetevents_time64 417 32 recvmmsg_time64 - compat_sys_recvmmsg_time64 418 32 mq_timedsend_time64 - sys_mq_timedsend 419 32 mq_timedreceive_time64 - sys_mq_timedreceive diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 853b80770c..bf509f6194 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -72,6 +72,15 @@ SECTIONS . = ALIGN(PAGE_SIZE); __end_ro_after_init = .; + .data.rel.ro : { + *(.data.rel.ro .data.rel.ro.*) + } + .got : { + __got_start = .; + *(.got) + __got_end = .; + } + RW_DATA(0x100, PAGE_SIZE, THREAD_SIZE) BOOT_DATA_PRESERVED diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c index 3c65b8258a..2cc3ec0340 100644 --- a/arch/s390/kvm/diag.c +++ b/arch/s390/kvm/diag.c @@ -77,7 +77,7 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu) vcpu->stat.instruction_diagnose_258++; if (vcpu->run->s.regs.gprs[rx] & 7) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - rc = read_guest(vcpu, vcpu->run->s.regs.gprs[rx], rx, &parm, sizeof(parm)); + rc = read_guest_real(vcpu, vcpu->run->s.regs.gprs[rx], &parm, sizeof(parm)); if (rc) return kvm_s390_inject_prog_cond(vcpu, rc); if (parm.parm_version != 2 || parm.parm_len < 5 || parm.code != 0x258) diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c index 6af59c59cc..98979db1cd 100644 --- a/arch/s390/kvm/gaccess.c +++ b/arch/s390/kvm/gaccess.c @@ -794,46 +794,102 @@ static int low_address_protection_enabled(struct kvm_vcpu *vcpu, return 1; } -static int guest_page_range(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, - unsigned long *pages, unsigned long nr_pages, - const union asce asce, enum gacc_mode mode) +/** + * guest_range_to_gpas() - Calculate guest physical addresses of page fragments + * covering a logical range + * @vcpu: virtual cpu + * @ga: guest address, start of range + * @ar: access register + * @gpas: output argument, may be NULL + * @len: length of range in bytes + * @asce: address-space-control element to use for translation + * @mode: access mode + * + * Translate a logical range to a series of guest absolute addresses, + * such that the concatenation of page fragments starting at each gpa make up + * the whole range. + * The translation is performed as if done by the cpu for the given @asce, @ar, + * @mode and state of the @vcpu. + * If the translation causes an exception, its program interruption code is + * returned and the &struct kvm_s390_pgm_info pgm member of @vcpu is modified + * such that a subsequent call to kvm_s390_inject_prog_vcpu() will inject + * a correct exception into the guest. + * The resulting gpas are stored into @gpas, unless it is NULL. + * + * Note: All fragments except the first one start at the beginning of a page. + * When deriving the boundaries of a fragment from a gpa, all but the last + * fragment end at the end of the page. + * + * Return: + * * 0 - success + * * <0 - translation could not be performed, for example if guest + * memory could not be accessed + * * >0 - an access exception occurred. In this case the returned value + * is the program interruption code and the contents of pgm may + * be used to inject an exception into the guest. + */ +static int guest_range_to_gpas(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, + unsigned long *gpas, unsigned long len, + const union asce asce, enum gacc_mode mode) { psw_t *psw = &vcpu->arch.sie_block->gpsw; + unsigned int offset = offset_in_page(ga); + unsigned int fragment_len; int lap_enabled, rc = 0; enum prot_type prot; + unsigned long gpa; lap_enabled = low_address_protection_enabled(vcpu, asce); - while (nr_pages) { + while (min(PAGE_SIZE - offset, len) > 0) { + fragment_len = min(PAGE_SIZE - offset, len); ga = kvm_s390_logical_to_effective(vcpu, ga); if (mode == GACC_STORE && lap_enabled && is_low_address(ga)) return trans_exc(vcpu, PGM_PROTECTION, ga, ar, mode, PROT_TYPE_LA); - ga &= PAGE_MASK; if (psw_bits(*psw).dat) { - rc = guest_translate(vcpu, ga, pages, asce, mode, &prot); + rc = guest_translate(vcpu, ga, &gpa, asce, mode, &prot); if (rc < 0) return rc; } else { - *pages = kvm_s390_real_to_abs(vcpu, ga); - if (kvm_is_error_gpa(vcpu->kvm, *pages)) + gpa = kvm_s390_real_to_abs(vcpu, ga); + if (kvm_is_error_gpa(vcpu->kvm, gpa)) rc = PGM_ADDRESSING; } if (rc) return trans_exc(vcpu, rc, ga, ar, mode, prot); - ga += PAGE_SIZE; - pages++; - nr_pages--; + if (gpas) + *gpas++ = gpa; + offset = 0; + ga += fragment_len; + len -= fragment_len; } return 0; } +static int access_guest_page(struct kvm *kvm, enum gacc_mode mode, gpa_t gpa, + void *data, unsigned int len) +{ + const unsigned int offset = offset_in_page(gpa); + const gfn_t gfn = gpa_to_gfn(gpa); + int rc; + + if (!gfn_to_memslot(kvm, gfn)) + return PGM_ADDRESSING; + if (mode == GACC_STORE) + rc = kvm_write_guest_page(kvm, gfn, data, offset, len); + else + rc = kvm_read_guest_page(kvm, gfn, data, offset, len); + return rc; +} + int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, void *data, unsigned long len, enum gacc_mode mode) { psw_t *psw = &vcpu->arch.sie_block->gpsw; - unsigned long _len, nr_pages, gpa, idx; - unsigned long pages_array[2]; - unsigned long *pages; + unsigned long nr_pages, idx; + unsigned long gpa_array[2]; + unsigned int fragment_len; + unsigned long *gpas; int need_ipte_lock; union asce asce; int rc; @@ -845,50 +901,45 @@ int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, void *data, if (rc) return rc; nr_pages = (((ga & ~PAGE_MASK) + len - 1) >> PAGE_SHIFT) + 1; - pages = pages_array; - if (nr_pages > ARRAY_SIZE(pages_array)) - pages = vmalloc(array_size(nr_pages, sizeof(unsigned long))); - if (!pages) + gpas = gpa_array; + if (nr_pages > ARRAY_SIZE(gpa_array)) + gpas = vmalloc(array_size(nr_pages, sizeof(unsigned long))); + if (!gpas) return -ENOMEM; need_ipte_lock = psw_bits(*psw).dat && !asce.r; if (need_ipte_lock) ipte_lock(vcpu); - rc = guest_page_range(vcpu, ga, ar, pages, nr_pages, asce, mode); + rc = guest_range_to_gpas(vcpu, ga, ar, gpas, len, asce, mode); for (idx = 0; idx < nr_pages && !rc; idx++) { - gpa = *(pages + idx) + (ga & ~PAGE_MASK); - _len = min(PAGE_SIZE - (gpa & ~PAGE_MASK), len); - if (mode == GACC_STORE) - rc = kvm_write_guest(vcpu->kvm, gpa, data, _len); - else - rc = kvm_read_guest(vcpu->kvm, gpa, data, _len); - len -= _len; - ga += _len; - data += _len; + fragment_len = min(PAGE_SIZE - offset_in_page(gpas[idx]), len); + rc = access_guest_page(vcpu->kvm, mode, gpas[idx], data, fragment_len); + len -= fragment_len; + data += fragment_len; } if (need_ipte_lock) ipte_unlock(vcpu); - if (nr_pages > ARRAY_SIZE(pages_array)) - vfree(pages); + if (nr_pages > ARRAY_SIZE(gpa_array)) + vfree(gpas); return rc; } int access_guest_real(struct kvm_vcpu *vcpu, unsigned long gra, void *data, unsigned long len, enum gacc_mode mode) { - unsigned long _len, gpa; + unsigned int fragment_len; + unsigned long gpa; int rc = 0; while (len && !rc) { gpa = kvm_s390_real_to_abs(vcpu, gra); - _len = min(PAGE_SIZE - (gpa & ~PAGE_MASK), len); - if (mode) - rc = write_guest_abs(vcpu, gpa, data, _len); - else - rc = read_guest_abs(vcpu, gpa, data, _len); - len -= _len; - gra += _len; - data += _len; + fragment_len = min(PAGE_SIZE - offset_in_page(gpa), len); + rc = access_guest_page(vcpu->kvm, mode, gpa, data, fragment_len); + len -= fragment_len; + gra += fragment_len; + data += fragment_len; } + if (rc > 0) + vcpu->arch.pgm.code = rc; return rc; } @@ -909,8 +960,6 @@ int access_guest_real(struct kvm_vcpu *vcpu, unsigned long gra, int guest_translate_address(struct kvm_vcpu *vcpu, unsigned long gva, u8 ar, unsigned long *gpa, enum gacc_mode mode) { - psw_t *psw = &vcpu->arch.sie_block->gpsw; - enum prot_type prot; union asce asce; int rc; @@ -918,23 +967,7 @@ int guest_translate_address(struct kvm_vcpu *vcpu, unsigned long gva, u8 ar, rc = get_vcpu_asce(vcpu, &asce, gva, ar, mode); if (rc) return rc; - if (is_low_address(gva) && low_address_protection_enabled(vcpu, asce)) { - if (mode == GACC_STORE) - return trans_exc(vcpu, PGM_PROTECTION, gva, 0, - mode, PROT_TYPE_LA); - } - - if (psw_bits(*psw).dat && !asce.r) { /* Use DAT? */ - rc = guest_translate(vcpu, gva, gpa, asce, mode, &prot); - if (rc > 0) - return trans_exc(vcpu, rc, gva, 0, mode, prot); - } else { - *gpa = kvm_s390_real_to_abs(vcpu, gva); - if (kvm_is_error_gpa(vcpu->kvm, *gpa)) - return trans_exc(vcpu, rc, gva, PGM_ADDRESSING, mode, 0); - } - - return rc; + return guest_range_to_gpas(vcpu, gva, ar, gpa, 1, asce, mode); } /** @@ -948,17 +981,14 @@ int guest_translate_address(struct kvm_vcpu *vcpu, unsigned long gva, u8 ar, int check_gva_range(struct kvm_vcpu *vcpu, unsigned long gva, u8 ar, unsigned long length, enum gacc_mode mode) { - unsigned long gpa; - unsigned long currlen; + union asce asce; int rc = 0; + rc = get_vcpu_asce(vcpu, &asce, gva, ar, mode); + if (rc) + return rc; ipte_lock(vcpu); - while (length > 0 && !rc) { - currlen = min(length, PAGE_SIZE - (gva % PAGE_SIZE)); - rc = guest_translate_address(vcpu, gva, ar, &gpa, mode); - gva += currlen; - length -= currlen; - } + rc = guest_range_to_gpas(vcpu, gva, ar, NULL, length, asce, mode); ipte_unlock(vcpu); return rc; diff --git a/arch/s390/kvm/gaccess.h b/arch/s390/kvm/gaccess.h index 7c72a5e344..8ed2d6c740 100644 --- a/arch/s390/kvm/gaccess.h +++ b/arch/s390/kvm/gaccess.h @@ -344,11 +344,12 @@ int read_guest_abs(struct kvm_vcpu *vcpu, unsigned long gpa, void *data, * @len: number of bytes to copy * * Copy @len bytes from @data (kernel space) to @gra (guest real address). - * It is up to the caller to ensure that the entire guest memory range is - * valid memory before calling this function. * Guest low address and key protection are not checked. * - * Returns zero on success or -EFAULT on error. + * Returns zero on success, -EFAULT when copying from @data failed, or + * PGM_ADRESSING in case @gra is outside a memslot. In this case, pgm check info + * is also stored to allow injecting into the guest (if applicable) using + * kvm_s390_inject_prog_cond(). * * If an error occurs data may have been copied partially to guest memory. */ @@ -367,11 +368,12 @@ int write_guest_real(struct kvm_vcpu *vcpu, unsigned long gra, void *data, * @len: number of bytes to copy * * Copy @len bytes from @gra (guest real address) to @data (kernel space). - * It is up to the caller to ensure that the entire guest memory range is - * valid memory before calling this function. * Guest key protection is not checked. * - * Returns zero on success or -EFAULT on error. + * Returns zero on success, -EFAULT when copying to @data failed, or + * PGM_ADRESSING in case @gra is outside a memslot. In this case, pgm check info + * is also stored to allow injecting into the guest (if applicable) using + * kvm_s390_inject_prog_cond(). * * If an error occurs data may have been copied partially to kernel space. */ diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 5526f78224..8d7f2c7da1 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -123,6 +123,7 @@ const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = { STATS_DESC_COUNTER(VCPU, instruction_io_other), STATS_DESC_COUNTER(VCPU, instruction_lpsw), STATS_DESC_COUNTER(VCPU, instruction_lpswe), + STATS_DESC_COUNTER(VCPU, instruction_lpswey), STATS_DESC_COUNTER(VCPU, instruction_pfmf), STATS_DESC_COUNTER(VCPU, instruction_ptff), STATS_DESC_COUNTER(VCPU, instruction_sck), diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index a2fde6d690..7ed3a39141 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -119,6 +119,21 @@ static inline u64 kvm_s390_get_base_disp_s(struct kvm_vcpu *vcpu, u8 *ar) return (base2 ? vcpu->run->s.regs.gprs[base2] : 0) + disp2; } +static inline u64 kvm_s390_get_base_disp_siy(struct kvm_vcpu *vcpu, u8 *ar) +{ + u32 base1 = vcpu->arch.sie_block->ipb >> 28; + s64 disp1; + + /* The displacement is a 20bit _SIGNED_ value */ + disp1 = sign_extend64(((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16) + + ((vcpu->arch.sie_block->ipb & 0xff00) << 4), 19); + + if (ar) + *ar = base1; + + return (base1 ? vcpu->run->s.regs.gprs[base1] : 0) + disp1; +} + static inline void kvm_s390_get_base_disp_sse(struct kvm_vcpu *vcpu, u64 *address1, u64 *address2, u8 *ar_b1, u8 *ar_b2) diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index 6a765fe22e..f9d9e70e3b 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -795,6 +795,36 @@ static int handle_lpswe(struct kvm_vcpu *vcpu) return 0; } +static int handle_lpswey(struct kvm_vcpu *vcpu) +{ + psw_t new_psw; + u64 addr; + int rc; + u8 ar; + + vcpu->stat.instruction_lpswey++; + + if (!test_kvm_facility(vcpu->kvm, 193)) + return kvm_s390_inject_program_int(vcpu, PGM_OPERATION); + + if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE) + return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP); + + addr = kvm_s390_get_base_disp_siy(vcpu, &ar); + if (addr & 7) + return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); + + rc = read_guest(vcpu, addr, ar, &new_psw, sizeof(new_psw)); + if (rc) + return kvm_s390_inject_prog_cond(vcpu, rc); + + vcpu->arch.sie_block->gpsw = new_psw; + if (!is_valid_psw(&vcpu->arch.sie_block->gpsw)) + return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); + + return 0; +} + static int handle_stidp(struct kvm_vcpu *vcpu) { u64 stidp_data = vcpu->kvm->arch.model.cpuid; @@ -1449,6 +1479,8 @@ int kvm_s390_handle_eb(struct kvm_vcpu *vcpu) case 0x61: case 0x62: return handle_ri(vcpu); + case 0x71: + return handle_lpswey(vcpu); default: return -EOPNOTSUPP; } diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c index 1141c8d5c0..9b4304fa37 100644 --- a/arch/s390/mm/cmm.c +++ b/arch/s390/mm/cmm.c @@ -95,11 +95,12 @@ static long cmm_alloc_pages(long nr, long *counter, (*counter)++; spin_unlock(&cmm_lock); nr--; + cond_resched(); } return nr; } -static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list) +static long __cmm_free_pages(long nr, long *counter, struct cmm_page_array **list) { struct cmm_page_array *pa; unsigned long addr; @@ -123,6 +124,21 @@ static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list) return nr; } +static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list) +{ + long inc = 0; + + while (nr) { + inc = min(256L, nr); + nr -= inc; + inc = __cmm_free_pages(inc, counter, list); + if (inc) + break; + cond_resched(); + } + return nr + inc; +} + static int cmm_oom_notify(struct notifier_block *self, unsigned long dummy, void *parm) { diff --git a/arch/sh/kernel/sys_sh32.c b/arch/sh/kernel/sys_sh32.c index 9dca568509..d6f4afcb0e 100644 --- a/arch/sh/kernel/sys_sh32.c +++ b/arch/sh/kernel/sys_sh32.c @@ -59,3 +59,14 @@ asmlinkage int sys_fadvise64_64_wrapper(int fd, u32 offset0, u32 offset1, (u64)len0 << 32 | len1, advice); #endif } + +/* + * swap the arguments the way that libc wants them instead of + * moving flags ahead of the 64-bit nbytes argument + */ +SYSCALL_DEFINE6(sh_sync_file_range6, int, fd, SC_ARG64(offset), + SC_ARG64(nbytes), unsigned int, flags) +{ + return ksys_sync_file_range(fd, SC_VAL64(loff_t, offset), + SC_VAL64(loff_t, nbytes), flags); +} diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl index 208f131659..938cfe09ed 100644 --- a/arch/sh/kernel/syscalls/syscall.tbl +++ b/arch/sh/kernel/syscalls/syscall.tbl @@ -321,7 +321,7 @@ 311 common set_robust_list sys_set_robust_list 312 common get_robust_list sys_get_robust_list 313 common splice sys_splice -314 common sync_file_range sys_sync_file_range +314 common sync_file_range sys_sh_sync_file_range6 315 common tee sys_tee 316 common vmsplice sys_vmsplice 317 common move_pages sys_move_pages @@ -395,6 +395,7 @@ 385 common pkey_alloc sys_pkey_alloc 386 common pkey_free sys_pkey_free 387 common rseq sys_rseq +388 common sync_file_range2 sys_sync_file_range2 # room for arch specific syscalls 393 common semget sys_semget 394 common semctl sys_semctl diff --git a/arch/sparc/include/asm/oplib_64.h b/arch/sparc/include/asm/oplib_64.h index a67abebd43..1b86d02a84 100644 --- a/arch/sparc/include/asm/oplib_64.h +++ b/arch/sparc/include/asm/oplib_64.h @@ -247,6 +247,7 @@ void prom_sun4v_guest_soft_state(void); int prom_ihandle2path(int handle, char *buffer, int bufsize); /* Client interface level routines. */ +void prom_cif_init(void *cif_handler); void p1275_cmd_direct(unsigned long *); #endif /* !(__SPARC64_OPLIB_H) */ diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S index a45f0f31fe..a3d308f204 100644 --- a/arch/sparc/kernel/sys32.S +++ b/arch/sparc/kernel/sys32.S @@ -18,224 +18,3 @@ sys32_mmap2: sethi %hi(sys_mmap), %g1 jmpl %g1 + %lo(sys_mmap), %g0 sllx %o5, 12, %o5 - - .align 32 - .globl sys32_socketcall -sys32_socketcall: /* %o0=call, %o1=args */ - cmp %o0, 1 - bl,pn %xcc, do_einval - cmp %o0, 18 - bg,pn %xcc, do_einval - sub %o0, 1, %o0 - sllx %o0, 5, %o0 - sethi %hi(__socketcall_table_begin), %g2 - or %g2, %lo(__socketcall_table_begin), %g2 - jmpl %g2 + %o0, %g0 - nop -do_einval: - retl - mov -EINVAL, %o0 - - .align 32 -__socketcall_table_begin: - - /* Each entry is exactly 32 bytes. */ -do_sys_socket: /* sys_socket(int, int, int) */ -1: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_socket), %g1 -2: ldswa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(sys_socket), %g0 -3: ldswa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_bind: /* sys_bind(int fd, struct sockaddr *, int) */ -4: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_bind), %g1 -5: ldswa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(sys_bind), %g0 -6: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_connect: /* sys_connect(int, struct sockaddr *, int) */ -7: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_connect), %g1 -8: ldswa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(sys_connect), %g0 -9: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_listen: /* sys_listen(int, int) */ -10: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_listen), %g1 - jmpl %g1 + %lo(sys_listen), %g0 -11: ldswa [%o1 + 0x4] %asi, %o1 - nop - nop - nop - nop -do_sys_accept: /* sys_accept(int, struct sockaddr *, int *) */ -12: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_accept), %g1 -13: lduwa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(sys_accept), %g0 -14: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_getsockname: /* sys_getsockname(int, struct sockaddr *, int *) */ -15: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_getsockname), %g1 -16: lduwa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(sys_getsockname), %g0 -17: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_getpeername: /* sys_getpeername(int, struct sockaddr *, int *) */ -18: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_getpeername), %g1 -19: lduwa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(sys_getpeername), %g0 -20: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_socketpair: /* sys_socketpair(int, int, int, int *) */ -21: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_socketpair), %g1 -22: ldswa [%o1 + 0x8] %asi, %o2 -23: lduwa [%o1 + 0xc] %asi, %o3 - jmpl %g1 + %lo(sys_socketpair), %g0 -24: ldswa [%o1 + 0x4] %asi, %o1 - nop - nop -do_sys_send: /* sys_send(int, void *, size_t, unsigned int) */ -25: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_send), %g1 -26: lduwa [%o1 + 0x8] %asi, %o2 -27: lduwa [%o1 + 0xc] %asi, %o3 - jmpl %g1 + %lo(sys_send), %g0 -28: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop -do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */ -29: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_recv), %g1 -30: lduwa [%o1 + 0x8] %asi, %o2 -31: lduwa [%o1 + 0xc] %asi, %o3 - jmpl %g1 + %lo(sys_recv), %g0 -32: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop -do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */ -33: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_sendto), %g1 -34: lduwa [%o1 + 0x8] %asi, %o2 -35: lduwa [%o1 + 0xc] %asi, %o3 -36: lduwa [%o1 + 0x10] %asi, %o4 -37: ldswa [%o1 + 0x14] %asi, %o5 - jmpl %g1 + %lo(sys_sendto), %g0 -38: lduwa [%o1 + 0x4] %asi, %o1 -do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */ -39: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_recvfrom), %g1 -40: lduwa [%o1 + 0x8] %asi, %o2 -41: lduwa [%o1 + 0xc] %asi, %o3 -42: lduwa [%o1 + 0x10] %asi, %o4 -43: lduwa [%o1 + 0x14] %asi, %o5 - jmpl %g1 + %lo(sys_recvfrom), %g0 -44: lduwa [%o1 + 0x4] %asi, %o1 -do_sys_shutdown: /* sys_shutdown(int, int) */ -45: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_shutdown), %g1 - jmpl %g1 + %lo(sys_shutdown), %g0 -46: ldswa [%o1 + 0x4] %asi, %o1 - nop - nop - nop - nop -do_sys_setsockopt: /* sys_setsockopt(int, int, int, char *, int) */ -47: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_setsockopt), %g1 -48: ldswa [%o1 + 0x8] %asi, %o2 -49: lduwa [%o1 + 0xc] %asi, %o3 -50: ldswa [%o1 + 0x10] %asi, %o4 - jmpl %g1 + %lo(sys_setsockopt), %g0 -51: ldswa [%o1 + 0x4] %asi, %o1 - nop -do_sys_getsockopt: /* sys_getsockopt(int, int, int, u32, u32) */ -52: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_getsockopt), %g1 -53: ldswa [%o1 + 0x8] %asi, %o2 -54: lduwa [%o1 + 0xc] %asi, %o3 -55: lduwa [%o1 + 0x10] %asi, %o4 - jmpl %g1 + %lo(sys_getsockopt), %g0 -56: ldswa [%o1 + 0x4] %asi, %o1 - nop -do_sys_sendmsg: /* compat_sys_sendmsg(int, struct compat_msghdr *, unsigned int) */ -57: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(compat_sys_sendmsg), %g1 -58: lduwa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(compat_sys_sendmsg), %g0 -59: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) */ -60: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(compat_sys_recvmsg), %g1 -61: lduwa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(compat_sys_recvmsg), %g0 -62: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_accept4: /* sys_accept4(int, struct sockaddr *, int *, int) */ -63: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_accept4), %g1 -64: lduwa [%o1 + 0x8] %asi, %o2 -65: ldswa [%o1 + 0xc] %asi, %o3 - jmpl %g1 + %lo(sys_accept4), %g0 -66: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - - .section __ex_table,"a" - .align 4 - .word 1b, __retl_efault, 2b, __retl_efault - .word 3b, __retl_efault, 4b, __retl_efault - .word 5b, __retl_efault, 6b, __retl_efault - .word 7b, __retl_efault, 8b, __retl_efault - .word 9b, __retl_efault, 10b, __retl_efault - .word 11b, __retl_efault, 12b, __retl_efault - .word 13b, __retl_efault, 14b, __retl_efault - .word 15b, __retl_efault, 16b, __retl_efault - .word 17b, __retl_efault, 18b, __retl_efault - .word 19b, __retl_efault, 20b, __retl_efault - .word 21b, __retl_efault, 22b, __retl_efault - .word 23b, __retl_efault, 24b, __retl_efault - .word 25b, __retl_efault, 26b, __retl_efault - .word 27b, __retl_efault, 28b, __retl_efault - .word 29b, __retl_efault, 30b, __retl_efault - .word 31b, __retl_efault, 32b, __retl_efault - .word 33b, __retl_efault, 34b, __retl_efault - .word 35b, __retl_efault, 36b, __retl_efault - .word 37b, __retl_efault, 38b, __retl_efault - .word 39b, __retl_efault, 40b, __retl_efault - .word 41b, __retl_efault, 42b, __retl_efault - .word 43b, __retl_efault, 44b, __retl_efault - .word 45b, __retl_efault, 46b, __retl_efault - .word 47b, __retl_efault, 48b, __retl_efault - .word 49b, __retl_efault, 50b, __retl_efault - .word 51b, __retl_efault, 52b, __retl_efault - .word 53b, __retl_efault, 54b, __retl_efault - .word 55b, __retl_efault, 56b, __retl_efault - .word 57b, __retl_efault, 58b, __retl_efault - .word 59b, __retl_efault, 60b, __retl_efault - .word 61b, __retl_efault, 62b, __retl_efault - .word 63b, __retl_efault, 64b, __retl_efault - .word 65b, __retl_efault, 66b, __retl_efault - .previous diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl index c37764dc76..8969be7acd 100644 --- a/arch/sparc/kernel/syscalls/syscall.tbl +++ b/arch/sparc/kernel/syscalls/syscall.tbl @@ -117,7 +117,7 @@ 90 common dup2 sys_dup2 91 32 setfsuid32 sys_setfsuid 92 common fcntl sys_fcntl compat_sys_fcntl -93 common select sys_select +93 common select sys_select compat_sys_select 94 32 setfsgid32 sys_setfsgid 95 common fsync sys_fsync 96 common setpriority sys_setpriority @@ -155,7 +155,7 @@ 123 32 fchown sys_fchown16 123 64 fchown sys_fchown 124 common fchmod sys_fchmod -125 common recvfrom sys_recvfrom +125 common recvfrom sys_recvfrom compat_sys_recvfrom 126 32 setreuid sys_setreuid16 126 64 setreuid sys_setreuid 127 32 setregid sys_setregid16 @@ -247,7 +247,7 @@ 204 32 readdir sys_old_readdir compat_sys_old_readdir 204 64 readdir sys_nis_syscall 205 common readahead sys_readahead compat_sys_readahead -206 common socketcall sys_socketcall sys32_socketcall +206 common socketcall sys_socketcall compat_sys_socketcall 207 common syslog sys_syslog 208 common lookup_dcookie sys_lookup_dcookie compat_sys_lookup_dcookie 209 common fadvise64 sys_fadvise64 compat_sys_fadvise64 @@ -461,7 +461,7 @@ 412 32 utimensat_time64 sys_utimensat sys_utimensat 413 32 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64 414 32 ppoll_time64 sys_ppoll compat_sys_ppoll_time64 -416 32 io_pgetevents_time64 sys_io_pgetevents sys_io_pgetevents +416 32 io_pgetevents_time64 sys_io_pgetevents compat_sys_io_pgetevents_time64 417 32 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64 418 32 mq_timedsend_time64 sys_mq_timedsend sys_mq_timedsend 419 32 mq_timedreceive_time64 sys_mq_timedreceive sys_mq_timedreceive diff --git a/arch/sparc/prom/init_64.c b/arch/sparc/prom/init_64.c index 103aa91043..f7b8a1a865 100644 --- a/arch/sparc/prom/init_64.c +++ b/arch/sparc/prom/init_64.c @@ -26,9 +26,6 @@ phandle prom_chosen_node; * routines in the prom library. * It gets passed the pointer to the PROM vector. */ - -extern void prom_cif_init(void *); - void __init prom_init(void *cif_handler) { phandle node; diff --git a/arch/sparc/prom/p1275.c b/arch/sparc/prom/p1275.c index 889aa602f8..51c3f984bb 100644 --- a/arch/sparc/prom/p1275.c +++ b/arch/sparc/prom/p1275.c @@ -49,7 +49,7 @@ void p1275_cmd_direct(unsigned long *args) local_irq_restore(flags); } -void prom_cif_init(void *cif_handler, void *cif_stack) +void prom_cif_init(void *cif_handler) { p1275buf.prom_cif_handler = (void (*)(long *))cif_handler; } diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index 95ad6b190d..6b4faca401 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -383,6 +383,7 @@ int setup_one_line(struct line *lines, int n, char *init, parse_chan_pair(NULL, line, n, opts, error_out); err = 0; } + *error_out = "configured as 'none'"; } else { char *new = kstrdup(init, GFP_KERNEL); if (!new) { @@ -406,6 +407,7 @@ int setup_one_line(struct line *lines, int n, char *init, } } if (err) { + *error_out = "failed to parse channel pair"; line->init_str = NULL; line->valid = 0; kfree(new); diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index 3e270da6b6..c8c4ef94c7 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -874,9 +874,9 @@ int setup_time_travel_start(char *str) return 1; } -__setup("time-travel-start", setup_time_travel_start); +__setup("time-travel-start=", setup_time_travel_start); __uml_help(setup_time_travel_start, -"time-travel-start=\n" +"time-travel-start=\n" "Configure the UML instance's wall clock to start at this value rather than\n" "the host's wall clock at the time of UML boot.\n"); #endif diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c index 24a403a70a..850d21e647 100644 --- a/arch/um/os-Linux/signal.c +++ b/arch/um/os-Linux/signal.c @@ -8,6 +8,7 @@ #include #include +#include #include #include #include @@ -65,9 +66,7 @@ static void sig_handler_common(int sig, struct siginfo *si, mcontext_t *mc) int signals_enabled; #ifdef UML_CONFIG_UML_TIME_TRAVEL_SUPPORT -static int signals_blocked; -#else -#define signals_blocked 0 +static int signals_blocked, signals_blocked_pending; #endif static unsigned int signals_pending; static unsigned int signals_active = 0; @@ -76,14 +75,27 @@ void sig_handler(int sig, struct siginfo *si, mcontext_t *mc) { int enabled = signals_enabled; - if ((signals_blocked || !enabled) && (sig == SIGIO)) { +#ifdef UML_CONFIG_UML_TIME_TRAVEL_SUPPORT + if ((signals_blocked || + __atomic_load_n(&signals_blocked_pending, __ATOMIC_SEQ_CST)) && + (sig == SIGIO)) { + /* increment so unblock will do another round */ + __atomic_add_fetch(&signals_blocked_pending, 1, + __ATOMIC_SEQ_CST); + return; + } +#endif + + if (!enabled && (sig == SIGIO)) { /* * In TT_MODE_EXTERNAL, need to still call time-travel - * handlers unless signals are also blocked for the - * external time message processing. This will mark - * signals_pending by itself (only if necessary.) + * handlers. This will mark signals_pending by itself + * (only if necessary.) + * Note we won't get here if signals are hard-blocked + * (which is handled above), in that case the hard- + * unblock will handle things. */ - if (!signals_blocked && time_travel_mode == TT_MODE_EXTERNAL) + if (time_travel_mode == TT_MODE_EXTERNAL) sigio_run_timetravel_handlers(); else signals_pending |= SIGIO_MASK; @@ -380,33 +392,99 @@ int um_set_signals_trace(int enable) #ifdef UML_CONFIG_UML_TIME_TRAVEL_SUPPORT void mark_sigio_pending(void) { + /* + * It would seem that this should be atomic so + * it isn't a read-modify-write with a signal + * that could happen in the middle, losing the + * value set by the signal. + * + * However, this function is only called when in + * time-travel=ext simulation mode, in which case + * the only signal ever pending is SIGIO, which + * is blocked while this can be called, and the + * timer signal (SIGALRM) cannot happen. + */ signals_pending |= SIGIO_MASK; } void block_signals_hard(void) { - if (signals_blocked) - return; - signals_blocked = 1; + signals_blocked++; barrier(); } void unblock_signals_hard(void) { + static bool unblocking; + if (!signals_blocked) + panic("unblocking signals while not blocked"); + + if (--signals_blocked) return; - /* Must be set to 0 before we check the pending bits etc. */ - signals_blocked = 0; + /* + * Must be set to 0 before we check pending so the + * SIGIO handler will run as normal unless we're still + * going to process signals_blocked_pending. + */ barrier(); - if (signals_pending && signals_enabled) { - /* this is a bit inefficient, but that's not really important */ - block_signals(); - unblock_signals(); - } else if (signals_pending & SIGIO_MASK) { - /* we need to run time-travel handlers even if not enabled */ - sigio_run_timetravel_handlers(); + /* + * Note that block_signals_hard()/unblock_signals_hard() can be called + * within the unblock_signals()/sigio_run_timetravel_handlers() below. + * This would still be prone to race conditions since it's actually a + * call _within_ e.g. vu_req_read_message(), where we observed this + * issue, which loops. Thus, if the inner call handles the recorded + * pending signals, we can get out of the inner call with the real + * signal hander no longer blocked, and still have a race. Thus don't + * handle unblocking in the inner call, if it happens, but only in + * the outermost call - 'unblocking' serves as an ownership for the + * signals_blocked_pending decrement. + */ + if (unblocking) + return; + unblocking = true; + + while (__atomic_load_n(&signals_blocked_pending, __ATOMIC_SEQ_CST)) { + if (signals_enabled) { + /* signals are enabled so we can touch this */ + signals_pending |= SIGIO_MASK; + /* + * this is a bit inefficient, but that's + * not really important + */ + block_signals(); + unblock_signals(); + } else { + /* + * we need to run time-travel handlers even + * if not enabled + */ + sigio_run_timetravel_handlers(); + } + + /* + * The decrement of signals_blocked_pending must be atomic so + * that the signal handler will either happen before or after + * the decrement, not during a read-modify-write: + * - If it happens before, it can increment it and we'll + * decrement it and do another round in the loop. + * - If it happens after it'll see 0 for both signals_blocked + * and signals_blocked_pending and thus run the handler as + * usual (subject to signals_enabled, but that's unrelated.) + * + * Note that a call to unblock_signals_hard() within the calls + * to unblock_signals() or sigio_run_timetravel_handlers() above + * will do nothing due to the 'unblocking' state, so this cannot + * underflow as the only one decrementing will be the outermost + * one. + */ + if (__atomic_sub_fetch(&signals_blocked_pending, 1, + __ATOMIC_SEQ_CST) < 0) + panic("signals_blocked_pending underflow"); } + + unblocking = false; } #endif diff --git a/arch/x86/entry/entry.S b/arch/x86/entry/entry.S index 09e99d13fc..f4419afc71 100644 --- a/arch/x86/entry/entry.S +++ b/arch/x86/entry/entry.S @@ -9,6 +9,8 @@ #include #include #include +#include +#include .pushsection .noinstr.text, "ax" @@ -17,6 +19,9 @@ SYM_FUNC_START(entry_ibpb) movl $PRED_CMD_IBPB, %eax xorl %edx, %edx wrmsr + + /* Make sure IBPB clears return stack preductions too. */ + FILL_RETURN_BUFFER %rax, RSB_CLEAR_LOOPS, X86_BUG_IBPB_NO_RET RET SYM_FUNC_END(entry_ibpb) /* For KVM */ diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index ee5def1060..475ce40401 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -902,6 +902,8 @@ SYM_FUNC_START(entry_SYSENTER_32) /* Now ready to switch the cr3 */ SWITCH_TO_USER_CR3 scratch_reg=%eax + /* Clobbers ZF */ + CLEAR_CPU_BUFFERS /* * Restore all flags except IF. (We restore IF separately because @@ -912,7 +914,6 @@ SYM_FUNC_START(entry_SYSENTER_32) BUG_IF_WRONG_CR3 no_user_check=1 popfl popl %eax - CLEAR_CPU_BUFFERS /* * Return back to the vDSO, which will pop ecx and edx. @@ -1175,7 +1176,6 @@ SYM_CODE_START(asm_exc_nmi) /* Not on SYSENTER stack. */ call exc_nmi - CLEAR_CPU_BUFFERS jmp .Lnmi_return .Lnmi_from_sysenter_stack: @@ -1196,6 +1196,7 @@ SYM_CODE_START(asm_exc_nmi) CHECK_AND_APPLY_ESPFIX RESTORE_ALL_NMI cr3_reg=%edi pop=4 + CLEAR_CPU_BUFFERS jmp .Lirq_return #ifdef CONFIG_X86_ESPFIX32 @@ -1237,6 +1238,7 @@ SYM_CODE_START(asm_exc_nmi) * 1 - orig_ax */ lss (1+5+6)*4(%esp), %esp # back to espfix stack + CLEAR_CPU_BUFFERS jmp .Lirq_return #endif SYM_CODE_END(asm_exc_nmi) diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 10d6888713..f656c6e0e4 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -165,22 +165,9 @@ SYM_INNER_LABEL(entry_SYSCALL_64_after_hwframe, SYM_L_GLOBAL) jne swapgs_restore_regs_and_return_to_usermode /* - * SYSCALL clears RF when it saves RFLAGS in R11 and SYSRET cannot - * restore RF properly. If the slowpath sets it for whatever reason, we - * need to restore it correctly. - * - * SYSRET can restore TF, but unlike IRET, restoring TF results in a - * trap from userspace immediately after SYSRET. This would cause an - * infinite loop whenever #DB happens with register state that satisfies - * the opportunistic SYSRET conditions. For example, single-stepping - * this user code: - * - * movq $stuck_here, %rcx - * pushfq - * popq %r11 - * stuck_here: - * - * would never get past 'stuck_here'. + * SYSRET cannot restore RF. It can restore TF, but unlike IRET, + * restoring TF results in a trap from userspace immediately after + * SYSRET. */ testq $(X86_EFLAGS_RF|X86_EFLAGS_TF), %r11 jnz swapgs_restore_regs_and_return_to_usermode diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S index d03f0cfbcb..4f67e01feb 100644 --- a/arch/x86/entry/entry_64_compat.S +++ b/arch/x86/entry/entry_64_compat.S @@ -114,10 +114,6 @@ SYM_INNER_LABEL(entry_SYSENTER_compat_after_hwframe, SYM_L_GLOBAL) cld - IBRS_ENTER - UNTRAIN_RET - CLEAR_BRANCH_HISTORY - /* * SYSENTER doesn't filter flags, so we need to clear NT and AC * ourselves. To save a few cycles, we can check whether @@ -141,6 +137,16 @@ SYM_INNER_LABEL(entry_SYSENTER_compat_after_hwframe, SYM_L_GLOBAL) jnz .Lsysenter_fix_flags .Lsysenter_flags_fixed: + /* + * CPU bugs mitigations mechanisms can call other functions. They + * should be invoked after making sure TF is cleared because + * single-step is ignored only for instructions inside the + * entry_SYSENTER_compat function. + */ + IBRS_ENTER + UNTRAIN_RET + CLEAR_BRANCH_HISTORY + movq %rsp, %rdi call do_SYSENTER_32 /* XEN PV guests always use IRET path */ diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl index 960a021d54..0985d83333 100644 --- a/arch/x86/entry/syscalls/syscall_32.tbl +++ b/arch/x86/entry/syscalls/syscall_32.tbl @@ -420,7 +420,7 @@ 412 i386 utimensat_time64 sys_utimensat 413 i386 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64 414 i386 ppoll_time64 sys_ppoll compat_sys_ppoll_time64 -416 i386 io_pgetevents_time64 sys_io_pgetevents +416 i386 io_pgetevents_time64 sys_io_pgetevents compat_sys_io_pgetevents_time64 417 i386 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64 418 i386 mq_timedsend_time64 sys_mq_timedsend 419 i386 mq_timedreceive_time64 sys_mq_timedreceive diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c index a85d313883..e36296ae52 100644 --- a/arch/x86/events/intel/pt.c +++ b/arch/x86/events/intel/pt.c @@ -861,7 +861,7 @@ static void pt_update_head(struct pt *pt) */ static void *pt_buffer_region(struct pt_buffer *buf) { - return phys_to_virt(TOPA_ENTRY(buf->cur, buf->cur_idx)->base << TOPA_SHIFT); + return phys_to_virt((phys_addr_t)TOPA_ENTRY(buf->cur, buf->cur_idx)->base << TOPA_SHIFT); } /** @@ -973,7 +973,7 @@ pt_topa_entry_for_page(struct pt_buffer *buf, unsigned int pg) * order allocations, there shouldn't be many of these. */ list_for_each_entry(topa, &buf->tables, list) { - if (topa->offset + topa->size > pg << PAGE_SHIFT) + if (topa->offset + topa->size > (unsigned long)pg << PAGE_SHIFT) goto found; } @@ -1586,6 +1586,7 @@ static void pt_event_stop(struct perf_event *event, int mode) * see comment in intel_pt_interrupt(). */ WRITE_ONCE(pt->handle_nmi, 0); + barrier(); pt_config_stop(event); @@ -1637,11 +1638,10 @@ static long pt_event_snapshot_aux(struct perf_event *event, return 0; /* - * Here, handle_nmi tells us if the tracing is on + * There is no PT interrupt in this mode, so stop the trace and it will + * remain stopped while the buffer is copied. */ - if (READ_ONCE(pt->handle_nmi)) - pt_config_stop(event); - + pt_config_stop(event); pt_read_offset(buf); pt_update_head(pt); @@ -1653,11 +1653,10 @@ static long pt_event_snapshot_aux(struct perf_event *event, ret = perf_output_copy_aux(&pt->handle, handle, from, to); /* - * If the tracing was on when we turned up, restart it. - * Compiler barrier not needed as we couldn't have been - * preempted by anything that touches pt->handle_nmi. + * Here, handle_nmi tells us if the tracing was on. + * If the tracing was on, restart it. */ - if (pt->handle_nmi) + if (READ_ONCE(pt->handle_nmi)) pt_config_start(event); return ret; diff --git a/arch/x86/events/intel/pt.h b/arch/x86/events/intel/pt.h index 96906a62aa..f5e46c04c1 100644 --- a/arch/x86/events/intel/pt.h +++ b/arch/x86/events/intel/pt.h @@ -33,8 +33,8 @@ struct topa_entry { u64 rsvd2 : 1; u64 size : 4; u64 rsvd3 : 2; - u64 base : 36; - u64 rsvd4 : 16; + u64 base : 40; + u64 rsvd4 : 12; }; /* TSC to Core Crystal Clock Ratio */ diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index 9b5859812f..d081eb89ba 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -459,6 +459,7 @@ #define SPR_RAW_EVENT_MASK_EXT 0xffffff /* SPR CHA */ +#define SPR_CHA_EVENT_MASK_EXT 0xffffffff #define SPR_CHA_PMON_CTL_TID_EN (1 << 16) #define SPR_CHA_PMON_EVENT_MASK (SNBEP_PMON_RAW_EVENT_MASK | \ SPR_CHA_PMON_CTL_TID_EN) @@ -475,6 +476,7 @@ DEFINE_UNCORE_FORMAT_ATTR(umask_ext, umask, "config:8-15,32-43,45-55"); DEFINE_UNCORE_FORMAT_ATTR(umask_ext2, umask, "config:8-15,32-57"); DEFINE_UNCORE_FORMAT_ATTR(umask_ext3, umask, "config:8-15,32-39"); DEFINE_UNCORE_FORMAT_ATTR(umask_ext4, umask, "config:8-15,32-55"); +DEFINE_UNCORE_FORMAT_ATTR(umask_ext5, umask, "config:8-15,32-63"); DEFINE_UNCORE_FORMAT_ATTR(qor, qor, "config:16"); DEFINE_UNCORE_FORMAT_ATTR(edge, edge, "config:18"); DEFINE_UNCORE_FORMAT_ATTR(tid_en, tid_en, "config:19"); @@ -5648,7 +5650,7 @@ static struct intel_uncore_ops spr_uncore_chabox_ops = { static struct attribute *spr_uncore_cha_formats_attr[] = { &format_attr_event.attr, - &format_attr_umask_ext4.attr, + &format_attr_umask_ext5.attr, &format_attr_tid_en2.attr, &format_attr_edge.attr, &format_attr_inv.attr, @@ -5684,7 +5686,7 @@ ATTRIBUTE_GROUPS(uncore_alias); static struct intel_uncore_type spr_uncore_chabox = { .name = "cha", .event_mask = SPR_CHA_PMON_EVENT_MASK, - .event_mask_ext = SPR_RAW_EVENT_MASK_EXT, + .event_mask_ext = SPR_CHA_EVENT_MASK_EXT, .num_shared_regs = 1, .constraints = skx_uncore_chabox_constraints, .ops = &spr_uncore_chabox_ops, diff --git a/arch/x86/include/asm/cpu_device_id.h b/arch/x86/include/asm/cpu_device_id.h index eb8fcede9e..e8e3dbe7f1 100644 --- a/arch/x86/include/asm/cpu_device_id.h +++ b/arch/x86/include/asm/cpu_device_id.h @@ -2,6 +2,39 @@ #ifndef _ASM_X86_CPU_DEVICE_ID #define _ASM_X86_CPU_DEVICE_ID +/* + * Can't use because it generates expressions that + * cannot be used in structure initializers. Bitfield construction + * here must match the union in struct cpuinfo_86: + * union { + * struct { + * __u8 x86_model; + * __u8 x86; + * __u8 x86_vendor; + * __u8 x86_reserved; + * }; + * __u32 x86_vfm; + * }; + */ +#define VFM_MODEL_BIT 0 +#define VFM_FAMILY_BIT 8 +#define VFM_VENDOR_BIT 16 +#define VFM_RSVD_BIT 24 + +#define VFM_MODEL_MASK GENMASK(VFM_FAMILY_BIT - 1, VFM_MODEL_BIT) +#define VFM_FAMILY_MASK GENMASK(VFM_VENDOR_BIT - 1, VFM_FAMILY_BIT) +#define VFM_VENDOR_MASK GENMASK(VFM_RSVD_BIT - 1, VFM_VENDOR_BIT) + +#define VFM_MODEL(vfm) (((vfm) & VFM_MODEL_MASK) >> VFM_MODEL_BIT) +#define VFM_FAMILY(vfm) (((vfm) & VFM_FAMILY_MASK) >> VFM_FAMILY_BIT) +#define VFM_VENDOR(vfm) (((vfm) & VFM_VENDOR_MASK) >> VFM_VENDOR_BIT) + +#define VFM_MAKE(_vendor, _family, _model) ( \ + ((_model) << VFM_MODEL_BIT) | \ + ((_family) << VFM_FAMILY_BIT) | \ + ((_vendor) << VFM_VENDOR_BIT) \ +) + /* * Declare drivers belonging to specific x86 CPUs * Similar in spirit to pci_device_id and related PCI functions @@ -20,6 +53,9 @@ #define X86_CENTAUR_FAM6_C7_D 0xd #define X86_CENTAUR_FAM6_NANO 0xf +/* x86_cpu_id::flags */ +#define X86_CPU_ID_FLAG_ENTRY_VALID BIT(0) + #define X86_STEPPINGS(mins, maxs) GENMASK(maxs, mins) /** * X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE - Base macro for CPU matching @@ -46,6 +82,18 @@ .model = _model, \ .steppings = _steppings, \ .feature = _feature, \ + .flags = X86_CPU_ID_FLAG_ENTRY_VALID, \ + .driver_data = (unsigned long) _data \ +} + +#define X86_MATCH_VENDORID_FAM_MODEL_STEPPINGS_FEATURE(_vendor, _family, _model, \ + _steppings, _feature, _data) { \ + .vendor = _vendor, \ + .family = _family, \ + .model = _model, \ + .steppings = _steppings, \ + .feature = _feature, \ + .flags = X86_CPU_ID_FLAG_ENTRY_VALID, \ .driver_data = (unsigned long) _data \ } @@ -164,6 +212,56 @@ X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE(INTEL, 6, INTEL_FAM6_##model, \ steppings, X86_FEATURE_ANY, data) +/** + * X86_MATCH_VFM - Match encoded vendor/family/model + * @vfm: Encoded 8-bits each for vendor, family, model + * @data: Driver specific data or NULL. The internal storage + * format is unsigned long. The supplied value, pointer + * etc. is cast to unsigned long internally. + * + * Stepping and feature are set to wildcards + */ +#define X86_MATCH_VFM(vfm, data) \ + X86_MATCH_VENDORID_FAM_MODEL_STEPPINGS_FEATURE( \ + VFM_VENDOR(vfm), \ + VFM_FAMILY(vfm), \ + VFM_MODEL(vfm), \ + X86_STEPPING_ANY, X86_FEATURE_ANY, data) + +/** + * X86_MATCH_VFM_STEPPINGS - Match encoded vendor/family/model/stepping + * @vfm: Encoded 8-bits each for vendor, family, model + * @steppings: Bitmask of steppings to match + * @data: Driver specific data or NULL. The internal storage + * format is unsigned long. The supplied value, pointer + * etc. is cast to unsigned long internally. + * + * feature is set to wildcard + */ +#define X86_MATCH_VFM_STEPPINGS(vfm, steppings, data) \ + X86_MATCH_VENDORID_FAM_MODEL_STEPPINGS_FEATURE( \ + VFM_VENDOR(vfm), \ + VFM_FAMILY(vfm), \ + VFM_MODEL(vfm), \ + steppings, X86_FEATURE_ANY, data) + +/** + * X86_MATCH_VFM_FEATURE - Match encoded vendor/family/model/feature + * @vfm: Encoded 8-bits each for vendor, family, model + * @feature: A X86_FEATURE bit + * @data: Driver specific data or NULL. The internal storage + * format is unsigned long. The supplied value, pointer + * etc. is cast to unsigned long internally. + * + * Steppings is set to wildcard + */ +#define X86_MATCH_VFM_FEATURE(vfm, feature, data) \ + X86_MATCH_VENDORID_FAM_MODEL_STEPPINGS_FEATURE( \ + VFM_VENDOR(vfm), \ + VFM_FAMILY(vfm), \ + VFM_MODEL(vfm), \ + X86_STEPPING_ANY, feature, data) + /* * Match specific microcode revisions. * diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index 18817817ea..3c0f7e3324 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -217,7 +217,7 @@ #define X86_FEATURE_SPEC_STORE_BYPASS_DISABLE ( 7*32+23) /* "" Disable Speculative Store Bypass. */ #define X86_FEATURE_LS_CFG_SSBD ( 7*32+24) /* "" AMD SSBD implementation via LS_CFG MSR */ #define X86_FEATURE_IBRS ( 7*32+25) /* Indirect Branch Restricted Speculation */ -#define X86_FEATURE_IBPB ( 7*32+26) /* Indirect Branch Prediction Barrier */ +#define X86_FEATURE_IBPB ( 7*32+26) /* "ibpb" Indirect Branch Prediction Barrier without a guaranteed RSB flush */ #define X86_FEATURE_STIBP ( 7*32+27) /* Single Thread Indirect Branch Predictors */ #define X86_FEATURE_ZEN ( 7*32+28) /* "" CPU is AMD family 0x17 or above (Zen) */ #define X86_FEATURE_L1TF_PTEINV ( 7*32+29) /* "" L1TF workaround PTE inversion */ @@ -329,6 +329,7 @@ #define X86_FEATURE_VIRT_SSBD (13*32+25) /* Virtualized Speculative Store Bypass Disable */ #define X86_FEATURE_AMD_SSB_NO (13*32+26) /* "" Speculative Store Bypass is fixed in hardware. */ #define X86_FEATURE_BTC_NO (13*32+29) /* "" Not vulnerable to Branch Type Confusion */ +#define X86_FEATURE_AMD_IBPB_RET (13*32+30) /* "" IBPB clears return address predictor */ /* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */ #define X86_FEATURE_DTHERM (14*32+ 0) /* Digital Thermal Sensor */ @@ -480,4 +481,5 @@ #define X86_BUG_DIV0 X86_BUG(1*32 + 1) /* AMD DIV0 speculation bug */ #define X86_BUG_RFDS X86_BUG(1*32 + 2) /* CPU is vulnerable to Register File Data Sampling */ #define X86_BUG_BHI X86_BUG(1*32 + 3) /* CPU is affected by Branch History Injection */ +#define X86_BUG_IBPB_NO_RET X86_BUG(1*32 + 4) /* "ibpb_no_ret" IBPB omits return target predictions */ #endif /* _ASM_X86_CPUFEATURES_H */ diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h index 63158fd558..e7c07a182e 100644 --- a/arch/x86/include/asm/efi.h +++ b/arch/x86/include/asm/efi.h @@ -386,6 +386,17 @@ static inline void efi_fake_memmap_early(void) } #endif +extern int __init efi_memmap_alloc(unsigned int num_entries, + struct efi_memory_map_data *data); +extern void __efi_memmap_free(u64 phys, unsigned long size, + unsigned long flags); + +extern int __init efi_memmap_install(struct efi_memory_map_data *data); +extern int __init efi_memmap_split_count(efi_memory_desc_t *md, + struct range *range); +extern void __init efi_memmap_insert(struct efi_memory_map *old_memmap, + void *buf, struct efi_mem_range *mem); + #define arch_ima_efi_boot_mode \ ({ extern struct boot_params boot_params; boot_params.secure_boot; }) diff --git a/arch/x86/include/asm/fpu/xstate.h b/arch/x86/include/asm/fpu/xstate.h index d91df71f60..3bc08b5313 100644 --- a/arch/x86/include/asm/fpu/xstate.h +++ b/arch/x86/include/asm/fpu/xstate.h @@ -85,6 +85,7 @@ #endif extern u64 xfeatures_mask_all; +extern u64 xfeatures_mask_indep; static inline u64 xfeatures_mask_supervisor(void) { @@ -124,9 +125,9 @@ static inline u64 xfeatures_mask_fpstate(void) static inline u64 xfeatures_mask_independent(void) { if (!boot_cpu_has(X86_FEATURE_ARCH_LBR)) - return XFEATURE_MASK_INDEPENDENT & ~XFEATURE_MASK_LBR; + return xfeatures_mask_indep & ~XFEATURE_MASK_LBR; - return XFEATURE_MASK_INDEPENDENT; + return xfeatures_mask_indep; } extern u64 xstate_fx_sw_bytes[USER_XSTATE_FX_SW_WORDS]; diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h index 275e7fd203..a18df41916 100644 --- a/arch/x86/include/asm/hardirq.h +++ b/arch/x86/include/asm/hardirq.h @@ -62,7 +62,11 @@ extern u64 arch_irq_stat(void); #if IS_ENABLED(CONFIG_KVM_INTEL) -static inline void kvm_set_cpu_l1tf_flush_l1d(void) +/* + * This function is called from noinstr interrupt contexts + * and must be inlined to not get instrumentation. + */ +static __always_inline void kvm_set_cpu_l1tf_flush_l1d(void) { __this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 1); } @@ -77,7 +81,7 @@ static __always_inline bool kvm_get_cpu_l1tf_flush_l1d(void) return __this_cpu_read(irq_stat.kvm_cpu_l1tf_flush_l1d); } #else /* !IS_ENABLED(CONFIG_KVM_INTEL) */ -static inline void kvm_set_cpu_l1tf_flush_l1d(void) { } +static __always_inline void kvm_set_cpu_l1tf_flush_l1d(void) { } #endif /* IS_ENABLED(CONFIG_KVM_INTEL) */ #endif /* _ASM_X86_HARDIRQ_H */ diff --git a/arch/x86/include/asm/idtentry.h b/arch/x86/include/asm/idtentry.h index 1345088e99..151cd0b5f4 100644 --- a/arch/x86/include/asm/idtentry.h +++ b/arch/x86/include/asm/idtentry.h @@ -11,15 +11,18 @@ #include +typedef void (*idtentry_t)(struct pt_regs *regs); + /** * DECLARE_IDTENTRY - Declare functions for simple IDT entry points * No error code pushed by hardware * @vector: Vector number (ignored for C) * @func: Function name of the entry point * - * Declares three functions: + * Declares four functions: * - The ASM entry point: asm_##func * - The XEN PV trap entry point: xen_##func (maybe unused) + * - The C handler called from the FRED event dispatcher (maybe unused) * - The C handler called from the ASM entry point * * Note: This is the C variant of DECLARE_IDTENTRY(). As the name says it @@ -29,6 +32,7 @@ #define DECLARE_IDTENTRY(vector, func) \ asmlinkage void asm_##func(void); \ asmlinkage void xen_asm_##func(void); \ + void fred_##func(struct pt_regs *regs); \ __visible void func(struct pt_regs *regs) /** @@ -135,6 +139,17 @@ static __always_inline void __##func(struct pt_regs *regs, \ #define DEFINE_IDTENTRY_RAW(func) \ __visible noinstr void func(struct pt_regs *regs) +/** + * DEFINE_FREDENTRY_RAW - Emit code for raw FRED entry points + * @func: Function name of the entry point + * + * @func is called from the FRED event dispatcher with interrupts disabled. + * + * See @DEFINE_IDTENTRY_RAW for further details. + */ +#define DEFINE_FREDENTRY_RAW(func) \ +noinstr void fred_##func(struct pt_regs *regs) + /** * DECLARE_IDTENTRY_RAW_ERRORCODE - Declare functions for raw IDT entry points * Error code pushed by hardware @@ -195,8 +210,8 @@ __visible noinstr void func(struct pt_regs *regs, \ irqentry_state_t state = irqentry_enter(regs); \ u32 vector = (u32)(u8)error_code; \ \ + kvm_set_cpu_l1tf_flush_l1d(); \ instrumentation_begin(); \ - kvm_set_cpu_l1tf_flush_l1d(); \ run_irq_on_irqstack_cond(__##func, regs, vector); \ instrumentation_end(); \ irqentry_exit(regs, state); \ @@ -231,17 +246,27 @@ static noinline void __##func(struct pt_regs *regs, u32 vector) #define DEFINE_IDTENTRY_SYSVEC(func) \ static void __##func(struct pt_regs *regs); \ \ +static __always_inline void instr_##func(struct pt_regs *regs) \ +{ \ + run_sysvec_on_irqstack_cond(__##func, regs); \ +} \ + \ __visible noinstr void func(struct pt_regs *regs) \ { \ irqentry_state_t state = irqentry_enter(regs); \ \ + kvm_set_cpu_l1tf_flush_l1d(); \ instrumentation_begin(); \ - kvm_set_cpu_l1tf_flush_l1d(); \ - run_sysvec_on_irqstack_cond(__##func, regs); \ + instr_##func (regs); \ instrumentation_end(); \ irqentry_exit(regs, state); \ } \ \ +void fred_##func(struct pt_regs *regs) \ +{ \ + instr_##func (regs); \ +} \ + \ static noinline void __##func(struct pt_regs *regs) /** @@ -258,19 +283,29 @@ static noinline void __##func(struct pt_regs *regs) #define DEFINE_IDTENTRY_SYSVEC_SIMPLE(func) \ static __always_inline void __##func(struct pt_regs *regs); \ \ +static __always_inline void instr_##func(struct pt_regs *regs) \ +{ \ + __irq_enter_raw(); \ + __##func (regs); \ + __irq_exit_raw(); \ +} \ + \ __visible noinstr void func(struct pt_regs *regs) \ { \ irqentry_state_t state = irqentry_enter(regs); \ \ + kvm_set_cpu_l1tf_flush_l1d(); \ instrumentation_begin(); \ - __irq_enter_raw(); \ - kvm_set_cpu_l1tf_flush_l1d(); \ - __##func (regs); \ - __irq_exit_raw(); \ + instr_##func (regs); \ instrumentation_end(); \ irqentry_exit(regs, state); \ } \ \ +void fred_##func(struct pt_regs *regs) \ +{ \ + instr_##func (regs); \ +} \ + \ static __always_inline void __##func(struct pt_regs *regs) /** @@ -408,15 +443,18 @@ __visible noinstr void func(struct pt_regs *regs, \ /* C-Code mapping */ #define DECLARE_IDTENTRY_NMI DECLARE_IDTENTRY_RAW #define DEFINE_IDTENTRY_NMI DEFINE_IDTENTRY_RAW +#define DEFINE_FREDENTRY_NMI DEFINE_FREDENTRY_RAW #ifdef CONFIG_X86_64 #define DECLARE_IDTENTRY_MCE DECLARE_IDTENTRY_IST #define DEFINE_IDTENTRY_MCE DEFINE_IDTENTRY_IST #define DEFINE_IDTENTRY_MCE_USER DEFINE_IDTENTRY_NOIST +#define DEFINE_FREDENTRY_MCE DEFINE_FREDENTRY_RAW #define DECLARE_IDTENTRY_DEBUG DECLARE_IDTENTRY_IST #define DEFINE_IDTENTRY_DEBUG DEFINE_IDTENTRY_IST #define DEFINE_IDTENTRY_DEBUG_USER DEFINE_IDTENTRY_NOIST +#define DEFINE_FREDENTRY_DEBUG DEFINE_FREDENTRY_RAW #endif #else /* !__ASSEMBLY__ */ @@ -645,23 +683,36 @@ DECLARE_IDTENTRY_SYSVEC(IRQ_MOVE_CLEANUP_VECTOR, sysvec_irq_move_cleanup); DECLARE_IDTENTRY_SYSVEC(REBOOT_VECTOR, sysvec_reboot); DECLARE_IDTENTRY_SYSVEC(CALL_FUNCTION_SINGLE_VECTOR, sysvec_call_function_single); DECLARE_IDTENTRY_SYSVEC(CALL_FUNCTION_VECTOR, sysvec_call_function); +#else +# define fred_sysvec_reschedule_ipi NULL +# define fred_sysvec_reboot NULL +# define fred_sysvec_call_function_single NULL +# define fred_sysvec_call_function NULL #endif #ifdef CONFIG_X86_LOCAL_APIC # ifdef CONFIG_X86_MCE_THRESHOLD DECLARE_IDTENTRY_SYSVEC(THRESHOLD_APIC_VECTOR, sysvec_threshold); +# else +# define fred_sysvec_threshold NULL # endif # ifdef CONFIG_X86_MCE_AMD DECLARE_IDTENTRY_SYSVEC(DEFERRED_ERROR_VECTOR, sysvec_deferred_error); +# else +# define fred_sysvec_deferred_error NULL # endif # ifdef CONFIG_X86_THERMAL_VECTOR DECLARE_IDTENTRY_SYSVEC(THERMAL_APIC_VECTOR, sysvec_thermal); +# else +# define fred_sysvec_thermal NULL # endif # ifdef CONFIG_IRQ_WORK DECLARE_IDTENTRY_SYSVEC(IRQ_WORK_VECTOR, sysvec_irq_work); +# else +# define fred_sysvec_irq_work NULL # endif #endif @@ -669,12 +720,16 @@ DECLARE_IDTENTRY_SYSVEC(IRQ_WORK_VECTOR, sysvec_irq_work); DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_VECTOR, sysvec_kvm_posted_intr_ipi); DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_WAKEUP_VECTOR, sysvec_kvm_posted_intr_wakeup_ipi); DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_NESTED_VECTOR, sysvec_kvm_posted_intr_nested_ipi); +#else +# define fred_sysvec_kvm_posted_intr_ipi NULL +# define fred_sysvec_kvm_posted_intr_wakeup_ipi NULL +# define fred_sysvec_kvm_posted_intr_nested_ipi NULL #endif #if IS_ENABLED(CONFIG_HYPERV) DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR, sysvec_hyperv_callback); DECLARE_IDTENTRY_SYSVEC(HYPERV_REENLIGHTENMENT_VECTOR, sysvec_hyperv_reenlightenment); -DECLARE_IDTENTRY_SYSVEC(HYPERV_STIMER0_VECTOR, sysvec_hyperv_stimer0); +DECLARE_IDTENTRY_SYSVEC(HYPERV_STIMER0_VECTOR, sysvec_hyperv_stimer0); #endif #if IS_ENABLED(CONFIG_ACRN_GUEST) diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h index ed582fa98c..bdf22582a8 100644 --- a/arch/x86/include/asm/nospec-branch.h +++ b/arch/x86/include/asm/nospec-branch.h @@ -199,7 +199,16 @@ */ .macro CLEAR_CPU_BUFFERS ALTERNATIVE "jmp .Lskip_verw_\@", "", X86_FEATURE_CLEAR_CPU_BUF - verw _ASM_RIP(mds_verw_sel) +#ifdef CONFIG_X86_64 + verw mds_verw_sel(%rip) +#else + /* + * In 32bit mode, the memory operand must be a %cs reference. The data + * segments may not be usable (vm86 mode), and the stack segment may not + * be flat (ESPFIX32). + */ + verw %cs:mds_verw_sel +#endif .Lskip_verw_\@: .endm diff --git a/arch/x86/include/asm/syscall.h b/arch/x86/include/asm/syscall.h index 825528bf0d..df434204ad 100644 --- a/arch/x86/include/asm/syscall.h +++ b/arch/x86/include/asm/syscall.h @@ -82,7 +82,12 @@ static inline void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, unsigned long *args) { - memcpy(args, ®s->bx, 6 * sizeof(args[0])); + args[0] = regs->bx; + args[1] = regs->cx; + args[2] = regs->dx; + args[3] = regs->si; + args[4] = regs->di; + args[5] = regs->bp; } static inline void syscall_set_arguments(struct task_struct *task, diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c index c92c9c774c..62cd2af806 100644 --- a/arch/x86/kernel/amd_nb.c +++ b/arch/x86/kernel/amd_nb.c @@ -172,7 +172,14 @@ static int __amd_smn_rw(u16 node, u32 address, u32 *value, bool write) int amd_smn_read(u16 node, u32 address, u32 *value) { - return __amd_smn_rw(node, address, value, false); + int err = __amd_smn_rw(node, address, value, false); + + if (PCI_POSSIBLE_ERROR(*value)) { + err = -ENODEV; + *value = 0; + } + + return err; } EXPORT_SYMBOL_GPL(amd_smn_read); diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 4df7d69436..0baca23212 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -493,7 +493,19 @@ static int lapic_timer_shutdown(struct clock_event_device *evt) v = apic_read(APIC_LVTT); v |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR); apic_write(APIC_LVTT, v); - apic_write(APIC_TMICT, 0); + + /* + * Setting APIC_LVT_MASKED (above) should be enough to tell + * the hardware that this timer will never fire. But AMD + * erratum 411 and some Intel CPU behavior circa 2024 say + * otherwise. Time for belt and suspenders programming: mask + * the timer _and_ zero the counter registers: + */ + if (v & APIC_LVT_TIMER_TSCDEADLINE) + wrmsrl(MSR_IA32_TSC_DEADLINE, 0); + else + apic_write(APIC_TMICT, 0); + return 0; } diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index bb71b628ed..586ea838a5 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -350,27 +350,26 @@ static void ioapic_mask_entry(int apic, int pin) * shared ISA-space IRQs, so we have to support them. We are super * fast in the common case, and fast for shared ISA-space IRQs. */ -static int __add_pin_to_irq_node(struct mp_chip_data *data, - int node, int apic, int pin) +static bool add_pin_to_irq_node(struct mp_chip_data *data, int node, int apic, int pin) { struct irq_pin_list *entry; - /* don't allow duplicates */ - for_each_irq_pin(entry, data->irq_2_pin) + /* Don't allow duplicates */ + for_each_irq_pin(entry, data->irq_2_pin) { if (entry->apic == apic && entry->pin == pin) - return 0; + return true; + } entry = kzalloc_node(sizeof(struct irq_pin_list), GFP_ATOMIC, node); if (!entry) { - pr_err("can not alloc irq_pin_list (%d,%d,%d)\n", - node, apic, pin); - return -ENOMEM; + pr_err("Cannot allocate irq_pin_list (%d,%d,%d)\n", node, apic, pin); + return false; } + entry->apic = apic; entry->pin = pin; list_add_tail(&entry->list, &data->irq_2_pin); - - return 0; + return true; } static void __remove_pin_from_irq(struct mp_chip_data *data, int apic, int pin) @@ -385,13 +384,6 @@ static void __remove_pin_from_irq(struct mp_chip_data *data, int apic, int pin) } } -static void add_pin_to_irq_node(struct mp_chip_data *data, - int node, int apic, int pin) -{ - if (__add_pin_to_irq_node(data, node, apic, pin)) - panic("IO-APIC: failed to add irq-pin. Can not proceed\n"); -} - /* * Reroute an IRQ to a different pin. */ @@ -1000,8 +992,7 @@ static int alloc_isa_irq_from_domain(struct irq_domain *domain, if (irq_data && irq_data->parent_data) { if (!mp_check_pin_attr(irq, info)) return -EBUSY; - if (__add_pin_to_irq_node(irq_data->chip_data, node, ioapic, - info->ioapic.pin)) + if (!add_pin_to_irq_node(irq_data->chip_data, node, ioapic, info->ioapic.pin)) return -ENOMEM; } else { info->flags |= X86_IRQ_ALLOC_LEGACY; @@ -3024,10 +3015,8 @@ int mp_irqdomain_alloc(struct irq_domain *domain, unsigned int virq, return -ENOMEM; ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, info); - if (ret < 0) { - kfree(data); - return ret; - } + if (ret < 0) + goto free_data; INIT_LIST_HEAD(&data->irq_2_pin); irq_data->hwirq = info->ioapic.pin; @@ -3036,7 +3025,10 @@ int mp_irqdomain_alloc(struct irq_domain *domain, unsigned int virq, irq_data->chip_data = data; mp_irqdomain_get_attr(mp_pin_to_gsi(ioapic, pin), data, info); - add_pin_to_irq_node(data, ioapic_alloc_attr_node(info), ioapic, pin); + if (!add_pin_to_irq_node(data, ioapic_alloc_attr_node(info), ioapic, pin)) { + ret = -ENOMEM; + goto free_irqs; + } mp_preconfigure_entry(data); mp_register_handler(virq, data->is_level); @@ -3051,6 +3043,12 @@ int mp_irqdomain_alloc(struct irq_domain *domain, unsigned int virq, ioapic, mpc_ioapic_id(ioapic), pin, virq, data->is_level, data->active_low); return 0; + +free_irqs: + irq_domain_free_irqs_parent(domain, virq, nr_irqs); +free_data: + kfree(data); + return ret; } void mp_irqdomain_free(struct irq_domain *domain, unsigned int virq, diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 247545b57d..f84d59cd18 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -1092,7 +1092,24 @@ static void __init retbleed_select_mitigation(void) case RETBLEED_MITIGATION_IBPB: setup_force_cpu_cap(X86_FEATURE_ENTRY_IBPB); + + /* + * IBPB on entry already obviates the need for + * software-based untraining so clear those in case some + * other mitigation like SRSO has selected them. + */ + setup_clear_cpu_cap(X86_FEATURE_UNRET); + setup_clear_cpu_cap(X86_FEATURE_RETHUNK); + mitigate_smt = true; + + /* + * There is no need for RSB filling: entry_ibpb() ensures + * all predictions, including the RSB, are invalidated, + * regardless of IBPB implementation. + */ + setup_clear_cpu_cap(X86_FEATURE_RSB_VMEXIT); + break; default: @@ -2591,6 +2608,14 @@ static void __init srso_select_mitigation(void) if (has_microcode) { setup_force_cpu_cap(X86_FEATURE_ENTRY_IBPB); srso_mitigation = SRSO_MITIGATION_IBPB; + + /* + * IBPB on entry already obviates the need for + * software-based untraining so clear those in case some + * other mitigation like Retbleed has selected them. + */ + setup_clear_cpu_cap(X86_FEATURE_UNRET); + setup_clear_cpu_cap(X86_FEATURE_RETHUNK); } } else { pr_err("WARNING: kernel not compiled with CPU_IBPB_ENTRY.\n"); @@ -2603,6 +2628,13 @@ static void __init srso_select_mitigation(void) if (!boot_cpu_has(X86_FEATURE_ENTRY_IBPB) && has_microcode) { setup_force_cpu_cap(X86_FEATURE_IBPB_ON_VMEXIT); srso_mitigation = SRSO_MITIGATION_IBPB_ON_VMEXIT; + + /* + * There is no need for RSB filling: entry_ibpb() ensures + * all predictions, including the RSB, are invalidated, + * regardless of IBPB implementation. + */ + setup_clear_cpu_cap(X86_FEATURE_RSB_VMEXIT); } } else { pr_err("WARNING: kernel not compiled with CPU_SRSO.\n"); diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 809e12f130..f0cc4c616c 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1352,6 +1352,9 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c) boot_cpu_has(X86_FEATURE_HYPERVISOR))) setup_force_cpu_bug(X86_BUG_BHI); + if (cpu_has(c, X86_FEATURE_AMD_IBPB) && !cpu_has(c, X86_FEATURE_AMD_IBPB_RET)) + setup_force_cpu_bug(X86_BUG_IBPB_NO_RET); + if (cpu_matches(cpu_vuln_whitelist, NO_MELTDOWN)) return; diff --git a/arch/x86/kernel/cpu/match.c b/arch/x86/kernel/cpu/match.c index ad6776081e..ae71b8ef90 100644 --- a/arch/x86/kernel/cpu/match.c +++ b/arch/x86/kernel/cpu/match.c @@ -39,9 +39,7 @@ const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match) const struct x86_cpu_id *m; struct cpuinfo_x86 *c = &boot_cpu_data; - for (m = match; - m->vendor | m->family | m->model | m->steppings | m->feature; - m++) { + for (m = match; m->flags & X86_CPU_ID_FLAG_ENTRY_VALID; m++) { if (m->vendor != X86_VENDOR_ANY && c->x86_vendor != m->vendor) continue; if (m->family != X86_FAMILY_ANY && c->x86 != m->family) diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index 8d3c649a17..3794b223fd 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -322,6 +322,7 @@ static void __init ms_hyperv_init_platform(void) ms_hyperv.misc_features & HV_FEATURE_FREQUENCY_MSRS_AVAILABLE) { x86_platform.calibrate_tsc = hv_get_tsc_khz; x86_platform.calibrate_cpu = hv_get_tsc_khz; + setup_force_cpu_cap(X86_FEATURE_TSC_KNOWN_FREQ); } if (ms_hyperv.priv_high & HV_ISOLATION) { diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.c b/arch/x86/kernel/cpu/mtrr/mtrr.c index 2746cac9d8..dbebb646c9 100644 --- a/arch/x86/kernel/cpu/mtrr/mtrr.c +++ b/arch/x86/kernel/cpu/mtrr/mtrr.c @@ -816,7 +816,7 @@ void mtrr_save_state(void) { int first_cpu; - if (!mtrr_enabled()) + if (!mtrr_enabled() || !mtrr_state.have_fixed) return; first_cpu = cpumask_first(cpu_online_mask); diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index a5c51a14fb..d852ee9ea2 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -175,7 +175,7 @@ static inline bool rdt_get_mb_table(struct rdt_resource *r) return false; } -static bool __get_mem_config_intel(struct rdt_resource *r) +static __init bool __get_mem_config_intel(struct rdt_resource *r) { struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r); union cpuid_0x10_3_eax eax; @@ -210,7 +210,7 @@ static bool __get_mem_config_intel(struct rdt_resource *r) return true; } -static bool __rdt_get_mem_config_amd(struct rdt_resource *r) +static __init bool __rdt_get_mem_config_amd(struct rdt_resource *r) { struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r); union cpuid_0x10_3_eax eax; diff --git a/arch/x86/kernel/cpu/resctrl/ctrlmondata.c b/arch/x86/kernel/cpu/resctrl/ctrlmondata.c index 000e1467b4..d00909428b 100644 --- a/arch/x86/kernel/cpu/resctrl/ctrlmondata.c +++ b/arch/x86/kernel/cpu/resctrl/ctrlmondata.c @@ -27,10 +27,10 @@ * hardware. The allocated bandwidth percentage is rounded to the next * control step available on the hardware. */ -static bool bw_validate(char *buf, unsigned long *data, struct rdt_resource *r) +static bool bw_validate(char *buf, u32 *data, struct rdt_resource *r) { - unsigned long bw; int ret; + u32 bw; /* * Only linear delay values is supported for current Intel SKUs. @@ -40,16 +40,21 @@ static bool bw_validate(char *buf, unsigned long *data, struct rdt_resource *r) return false; } - ret = kstrtoul(buf, 10, &bw); + ret = kstrtou32(buf, 10, &bw); if (ret) { - rdt_last_cmd_printf("Non-decimal digit in MB value %s\n", buf); + rdt_last_cmd_printf("Invalid MB value %s\n", buf); return false; } - if ((bw < r->membw.min_bw || bw > r->default_ctrl) && - !is_mba_sc(r)) { - rdt_last_cmd_printf("MB value %ld out of range [%d,%d]\n", bw, - r->membw.min_bw, r->default_ctrl); + /* Nothing else to do if software controller is enabled. */ + if (is_mba_sc(r)) { + *data = bw; + return true; + } + + if (bw < r->membw.min_bw || bw > r->default_ctrl) { + rdt_last_cmd_printf("MB value %u out of range [%d,%d]\n", + bw, r->membw.min_bw, r->default_ctrl); return false; } @@ -62,7 +67,7 @@ int parse_bw(struct rdt_parse_data *data, struct resctrl_schema *s, { struct resctrl_staged_config *cfg; struct rdt_resource *r = s->res; - unsigned long bw_val; + u32 bw_val; cfg = &d->staged_config[s->conf_type]; if (cfg->have_new_ctrl) { diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c index 4ea48acf55..ad453b4387 100644 --- a/arch/x86/kernel/cpu/sgx/main.c +++ b/arch/x86/kernel/cpu/sgx/main.c @@ -505,24 +505,25 @@ struct sgx_epc_page *__sgx_alloc_epc_page(void) { struct sgx_epc_page *page; int nid_of_current = numa_node_id(); - int nid = nid_of_current; + int nid_start, nid; - if (node_isset(nid_of_current, sgx_numa_mask)) { - page = __sgx_alloc_epc_page_from_node(nid_of_current); - if (page) - return page; - } - - /* Fall back to the non-local NUMA nodes: */ - while (true) { - nid = next_node_in(nid, sgx_numa_mask); - if (nid == nid_of_current) - break; + /* + * Try local node first. If it doesn't have an EPC section, + * fall back to the non-local NUMA nodes. + */ + if (node_isset(nid_of_current, sgx_numa_mask)) + nid_start = nid_of_current; + else + nid_start = next_node_in(nid_of_current, sgx_numa_mask); + nid = nid_start; + do { page = __sgx_alloc_epc_page_from_node(nid); if (page) return page; - } + + nid = next_node_in(nid, sgx_numa_mask); + } while (nid != nid_start); return ERR_PTR(-ENOMEM); } diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c index 6a4cb71c24..bd4386bf51 100644 --- a/arch/x86/kernel/devicetree.c +++ b/arch/x86/kernel/devicetree.c @@ -92,7 +92,7 @@ static int x86_of_pci_irq_enable(struct pci_dev *dev) ret = pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); if (ret) - return ret; + return pcibios_err_to_errno(ret); if (!pin) return 0; diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c index 3ad1bf5de7..157008d99f 100644 --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -121,8 +121,8 @@ void __restore_fpregs_from_fpstate(union fpregs_state *fpstate, u64 mask) asm volatile( "fnclex\n\t" "emms\n\t" - "fildl %P[addr]" /* set F?P to defined value */ - : : [addr] "m" (fpstate)); + "fildl %[addr]" /* set F?P to defined value */ + : : [addr] "m" (*fpstate)); } if (use_xsave()) { diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c index 81891f0fff..3772577462 100644 --- a/arch/x86/kernel/fpu/xstate.c +++ b/arch/x86/kernel/fpu/xstate.c @@ -60,6 +60,11 @@ static short xsave_cpuid_features[] __initdata = { * XSAVE buffer, both supervisor and user xstates. */ u64 xfeatures_mask_all __ro_after_init; +/* + * This represents the "independent" xfeatures that are supported by XSAVES, but not managed as part + * of the FPU core, such as LBR. + */ +u64 xfeatures_mask_indep __ro_after_init; EXPORT_SYMBOL_GPL(xfeatures_mask_all); static unsigned int xstate_offsets[XFEATURE_MAX] __ro_after_init = @@ -768,6 +773,8 @@ void __init fpu__init_system_xstate(void) goto out_disable; } + xfeatures_mask_indep = xfeatures_mask_all & XFEATURE_MASK_INDEPENDENT; + /* * Clear XSAVE features that are disabled in the normal CPUID. */ diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index 893f040b97..99dd504307 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -194,17 +194,10 @@ static unsigned long __recover_probed_insn(kprobe_opcode_t *buf, unsigned long addr) { struct kprobe *kp; - unsigned long faddr; + bool faddr; kp = get_kprobe((void *)addr); - faddr = ftrace_location(addr); - /* - * Addresses inside the ftrace location are refused by - * arch_check_ftrace_location(). Something went terribly wrong - * if such an address is checked here. - */ - if (WARN_ON(faddr && faddr != addr)) - return 0UL; + faddr = ftrace_location(addr) == addr; /* * Use the current code if it is not modified by Kprobe * and it cannot be modified by ftrace. diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index e6b28c689e..720d995203 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -937,7 +937,10 @@ unsigned long arch_align_stack(unsigned long sp) unsigned long arch_randomize_brk(struct mm_struct *mm) { - return randomize_page(mm->brk, 0x02000000); + if (mmap_is_ia32()) + return randomize_page(mm->brk, SZ_32M); + + return randomize_page(mm->brk, SZ_1G); } /* diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c index e42faa792c..52e1f3f0b3 100644 --- a/arch/x86/kernel/time.c +++ b/arch/x86/kernel/time.c @@ -27,25 +27,7 @@ unsigned long profile_pc(struct pt_regs *regs) { - unsigned long pc = instruction_pointer(regs); - - if (!user_mode(regs) && in_lock_functions(pc)) { -#ifdef CONFIG_FRAME_POINTER - return *(unsigned long *)(regs->bp + sizeof(long)); -#else - unsigned long *sp = (unsigned long *)regs->sp; - /* - * Return address is either directly at stack pointer - * or above a saved flags. Eflags has bits 22-31 zero, - * kernel addresses don't. - */ - if (sp[0] >> 22) - return sp[0]; - if (sp[1] >> 22) - return sp[1]; -#endif - } - return pc; + return instruction_pointer(regs); } EXPORT_SYMBOL(profile_pc); diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index e0b4f88b04..c24d7860bd 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -77,8 +77,12 @@ static u64 nested_svm_get_tdp_pdptr(struct kvm_vcpu *vcpu, int index) u64 pdpte; int ret; + /* + * Note, nCR3 is "assumed" to be 32-byte aligned, i.e. the CPU ignores + * nCR3[4:0] when loading PDPTEs from memory. + */ ret = kvm_vcpu_read_guest_page(vcpu, gpa_to_gfn(cr3), &pdpte, - offset_in_page(cr3) + index * 8, 8); + (cr3 & GENMASK(11, 5)) + index * 8, 8); if (ret) return 0; return pdpte; diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 059d9c255e..bc0958eb83 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -958,6 +958,9 @@ static __init void svm_set_cpu_caps(void) /* CPUID 0x8000001F (SME/SEV features) */ sev_set_cpu_caps(); + + /* Don't advertise Bus Lock Detect to guest if SVM support is absent */ + kvm_cpu_cap_clear(X86_FEATURE_BUS_LOCK_DETECT); } static __init int svm_hardware_setup(void) @@ -2712,6 +2715,12 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) case MSR_CSTAR: msr_info->data = svm->vmcb01.ptr->save.cstar; break; + case MSR_GS_BASE: + msr_info->data = svm->vmcb01.ptr->save.gs.base; + break; + case MSR_FS_BASE: + msr_info->data = svm->vmcb01.ptr->save.fs.base; + break; case MSR_KERNEL_GS_BASE: msr_info->data = svm->vmcb01.ptr->save.kernel_gs_base; break; @@ -2923,6 +2932,12 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr) case MSR_CSTAR: svm->vmcb01.ptr->save.cstar = data; break; + case MSR_GS_BASE: + svm->vmcb01.ptr->save.gs.base = data; + break; + case MSR_FS_BASE: + svm->vmcb01.ptr->save.fs.base = data; + break; case MSR_KERNEL_GS_BASE: svm->vmcb01.ptr->save.kernel_gs_base = data; break; diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index bedbd077e5..283f3205d7 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -4706,14 +4706,19 @@ static int vmx_nmi_allowed(struct kvm_vcpu *vcpu, bool for_injection) return !vmx_nmi_blocked(vcpu); } +bool __vmx_interrupt_blocked(struct kvm_vcpu *vcpu) +{ + return !(vmx_get_rflags(vcpu) & X86_EFLAGS_IF) || + (vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & + (GUEST_INTR_STATE_STI | GUEST_INTR_STATE_MOV_SS)); +} + bool vmx_interrupt_blocked(struct kvm_vcpu *vcpu) { if (is_guest_mode(vcpu) && nested_exit_on_intr(vcpu)) return false; - return !(vmx_get_rflags(vcpu) & X86_EFLAGS_IF) || - (vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & - (GUEST_INTR_STATE_STI | GUEST_INTR_STATE_MOV_SS)); + return __vmx_interrupt_blocked(vcpu); } static int vmx_interrupt_allowed(struct kvm_vcpu *vcpu, bool for_injection) diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h index 20f1213a93..a1792d9661 100644 --- a/arch/x86/kvm/vmx/vmx.h +++ b/arch/x86/kvm/vmx/vmx.h @@ -388,6 +388,7 @@ u64 construct_eptp(struct kvm_vcpu *vcpu, hpa_t root_hpa, int root_level); bool vmx_guest_inject_ac(struct kvm_vcpu *vcpu); void vmx_update_exception_bitmap(struct kvm_vcpu *vcpu); bool vmx_nmi_blocked(struct kvm_vcpu *vcpu); +bool __vmx_interrupt_blocked(struct kvm_vcpu *vcpu); bool vmx_interrupt_blocked(struct kvm_vcpu *vcpu); bool vmx_get_nmi_mask(struct kvm_vcpu *vcpu); void vmx_set_nmi_mask(struct kvm_vcpu *vcpu, bool masked); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 7bfc037022..ef56b79629 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -9654,13 +9654,12 @@ static void vcpu_scan_ioapic(struct kvm_vcpu *vcpu) bitmap_zero(vcpu->arch.ioapic_handled_vectors, 256); + static_call_cond(kvm_x86_sync_pir_to_irr)(vcpu); + if (irqchip_split(vcpu->kvm)) kvm_scan_ioapic_routes(vcpu, vcpu->arch.ioapic_handled_vectors); - else { - static_call_cond(kvm_x86_sync_pir_to_irr)(vcpu); - if (ioapic_in_kernel(vcpu->kvm)) - kvm_ioapic_scan_entry(vcpu, vcpu->arch.ioapic_handled_vectors); - } + else if (ioapic_in_kernel(vcpu->kvm)) + kvm_ioapic_scan_entry(vcpu, vcpu->arch.ioapic_handled_vectors); if (is_guest_mode(vcpu)) vcpu->arch.load_eoi_exitmap_pending = true; diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 56d5ab70bf..5953c74820 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -263,21 +263,17 @@ static void __init probe_page_size_mask(void) } } -#define INTEL_MATCH(_model) { .vendor = X86_VENDOR_INTEL, \ - .family = 6, \ - .model = _model, \ - } /* * INVLPG may not properly flush Global entries * on these CPUs when PCIDs are enabled. */ static const struct x86_cpu_id invlpg_miss_ids[] = { - INTEL_MATCH(INTEL_FAM6_ALDERLAKE ), - INTEL_MATCH(INTEL_FAM6_ALDERLAKE_L ), - INTEL_MATCH(INTEL_FAM6_ALDERLAKE_N ), - INTEL_MATCH(INTEL_FAM6_RAPTORLAKE ), - INTEL_MATCH(INTEL_FAM6_RAPTORLAKE_P), - INTEL_MATCH(INTEL_FAM6_RAPTORLAKE_S), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, 0), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, 0), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_N, 0), + X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE, 0), + X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, 0), + X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_S, 0), {} }; diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c index 5d5c7bb50c..f39f360eb7 100644 --- a/arch/x86/mm/pti.c +++ b/arch/x86/mm/pti.c @@ -241,7 +241,7 @@ static pmd_t *pti_user_pagetable_walk_pmd(unsigned long address) * * Returns a pointer to a PTE on success, or NULL on failure. */ -static pte_t *pti_user_pagetable_walk_pte(unsigned long address) +static pte_t *pti_user_pagetable_walk_pte(unsigned long address, bool late_text) { gfp_t gfp = (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO); pmd_t *pmd; @@ -251,10 +251,15 @@ static pte_t *pti_user_pagetable_walk_pte(unsigned long address) if (!pmd) return NULL; - /* We can't do anything sensible if we hit a large mapping. */ + /* Large PMD mapping found */ if (pmd_large(*pmd)) { - WARN_ON(1); - return NULL; + /* Clear the PMD if we hit a large mapping from the first round */ + if (late_text) { + set_pmd(pmd, __pmd(0)); + } else { + WARN_ON_ONCE(1); + return NULL; + } } if (pmd_none(*pmd)) { @@ -283,7 +288,7 @@ static void __init pti_setup_vsyscall(void) if (!pte || WARN_ON(level != PG_LEVEL_4K) || pte_none(*pte)) return; - target_pte = pti_user_pagetable_walk_pte(VSYSCALL_ADDR); + target_pte = pti_user_pagetable_walk_pte(VSYSCALL_ADDR, false); if (WARN_ON(!target_pte)) return; @@ -301,7 +306,7 @@ enum pti_clone_level { static void pti_clone_pgtable(unsigned long start, unsigned long end, - enum pti_clone_level level) + enum pti_clone_level level, bool late_text) { unsigned long addr; @@ -374,14 +379,14 @@ pti_clone_pgtable(unsigned long start, unsigned long end, */ *target_pmd = *pmd; - addr += PMD_SIZE; + addr = round_up(addr + 1, PMD_SIZE); } else if (level == PTI_CLONE_PTE) { /* Walk the page-table down to the pte level */ pte = pte_offset_kernel(pmd, addr); if (pte_none(*pte)) { - addr += PAGE_SIZE; + addr = round_up(addr + 1, PAGE_SIZE); continue; } @@ -390,7 +395,7 @@ pti_clone_pgtable(unsigned long start, unsigned long end, return; /* Allocate PTE in the user page-table */ - target_pte = pti_user_pagetable_walk_pte(addr); + target_pte = pti_user_pagetable_walk_pte(addr, late_text); if (WARN_ON(!target_pte)) return; @@ -401,7 +406,7 @@ pti_clone_pgtable(unsigned long start, unsigned long end, /* Clone the PTE */ *target_pte = *pte; - addr += PAGE_SIZE; + addr = round_up(addr + 1, PAGE_SIZE); } else { BUG(); @@ -452,7 +457,7 @@ static void __init pti_clone_user_shared(void) phys_addr_t pa = per_cpu_ptr_to_phys((void *)va); pte_t *target_pte; - target_pte = pti_user_pagetable_walk_pte(va); + target_pte = pti_user_pagetable_walk_pte(va, false); if (WARN_ON(!target_pte)) return; @@ -475,7 +480,7 @@ static void __init pti_clone_user_shared(void) start = CPU_ENTRY_AREA_BASE; end = start + (PAGE_SIZE * CPU_ENTRY_AREA_PAGES); - pti_clone_pgtable(start, end, PTI_CLONE_PMD); + pti_clone_pgtable(start, end, PTI_CLONE_PMD, false); } #endif /* CONFIG_X86_64 */ @@ -492,11 +497,11 @@ static void __init pti_setup_espfix64(void) /* * Clone the populated PMDs of the entry text and force it RO. */ -static void pti_clone_entry_text(void) +static void pti_clone_entry_text(bool late) { pti_clone_pgtable((unsigned long) __entry_text_start, (unsigned long) __entry_text_end, - PTI_CLONE_PMD); + PTI_LEVEL_KERNEL_IMAGE, late); } /* @@ -571,7 +576,7 @@ static void pti_clone_kernel_text(void) * pti_set_kernel_image_nonglobal() did to clear the * global bit. */ - pti_clone_pgtable(start, end_clone, PTI_LEVEL_KERNEL_IMAGE); + pti_clone_pgtable(start, end_clone, PTI_LEVEL_KERNEL_IMAGE, false); /* * pti_clone_pgtable() will set the global bit in any PMDs @@ -638,8 +643,15 @@ void __init pti_init(void) /* Undo all global bits from the init pagetables in head_64.S: */ pti_set_kernel_image_nonglobal(); + /* Replace some of the global bits just for shared entry text: */ - pti_clone_entry_text(); + /* + * This is very early in boot. Device and Late initcalls can do + * modprobe before free_initmem() and mark_readonly(). This + * pti_clone_entry_text() allows those user-mode-helpers to function, + * but notably the text is still RW. + */ + pti_clone_entry_text(false); pti_setup_espfix64(); pti_setup_vsyscall(); } @@ -656,10 +668,11 @@ void pti_finalize(void) if (!boot_cpu_has(X86_FEATURE_PTI)) return; /* - * We need to clone everything (again) that maps parts of the - * kernel image. + * This is after free_initmem() (all initcalls are done) and we've done + * mark_readonly(). Text is now NX which might've split some PMDs + * relative to the early clone. */ - pti_clone_entry_text(); + pti_clone_entry_text(true); pti_clone_kernel_text(); debug_checkwx_user(); diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index f7a0e97084..ac06f53391 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -51,6 +51,56 @@ static bool is_imm8(int value) return value <= 127 && value >= -128; } +/* + * Let us limit the positive offset to be <= 123. + * This is to ensure eventual jit convergence For the following patterns: + * ... + * pass4, final_proglen=4391: + * ... + * 20e: 48 85 ff test rdi,rdi + * 211: 74 7d je 0x290 + * 213: 48 8b 77 00 mov rsi,QWORD PTR [rdi+0x0] + * ... + * 289: 48 85 ff test rdi,rdi + * 28c: 74 17 je 0x2a5 + * 28e: e9 7f ff ff ff jmp 0x212 + * 293: bf 03 00 00 00 mov edi,0x3 + * Note that insn at 0x211 is 2-byte cond jump insn for offset 0x7d (-125) + * and insn at 0x28e is 5-byte jmp insn with offset -129. + * + * pass5, final_proglen=4392: + * ... + * 20e: 48 85 ff test rdi,rdi + * 211: 0f 84 80 00 00 00 je 0x297 + * 217: 48 8b 77 00 mov rsi,QWORD PTR [rdi+0x0] + * ... + * 28d: 48 85 ff test rdi,rdi + * 290: 74 1a je 0x2ac + * 292: eb 84 jmp 0x218 + * 294: bf 03 00 00 00 mov edi,0x3 + * Note that insn at 0x211 is 6-byte cond jump insn now since its offset + * becomes 0x80 based on previous round (0x293 - 0x213 = 0x80). + * At the same time, insn at 0x292 is a 2-byte insn since its offset is + * -124. + * + * pass6 will repeat the same code as in pass4 and this will prevent + * eventual convergence. + * + * To fix this issue, we need to break je (2->6 bytes) <-> jmp (5->2 bytes) + * cycle in the above. In the above example je offset <= 0x7c should work. + * + * For other cases, je <-> je needs offset <= 0x7b to avoid no convergence + * issue. For jmp <-> je and jmp <-> jmp cases, jmp offset <= 0x7c should + * avoid no convergence issue. + * + * Overall, let us limit the positive offset for 8bit cond/uncond jmp insn + * to maximum 123 (0x7b). This way, the jit pass can eventually converge. + */ +static bool is_imm8_jmp_offset(int value) +{ + return value <= 123 && value >= -128; +} + static bool is_simm32(s64 value) { return value == (s64)(s32)value; @@ -1574,7 +1624,7 @@ st: if (is_imm8(insn->off)) return -EFAULT; } jmp_offset = addrs[i + insn->off] - addrs[i]; - if (is_imm8(jmp_offset)) { + if (is_imm8_jmp_offset(jmp_offset)) { if (jmp_padding) { /* To keep the jmp_offset valid, the extra bytes are * padded before the jump insn, so we subtract the @@ -1648,7 +1698,7 @@ st: if (is_imm8(insn->off)) break; } emit_jmp: - if (is_imm8(jmp_offset)) { + if (is_imm8_jmp_offset(jmp_offset)) { if (jmp_padding) { /* To avoid breaking jmp_offset, the extra bytes * are padded before the actual jmp insn, so diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c index 8edd622066..722a33be08 100644 --- a/arch/x86/pci/intel_mid_pci.c +++ b/arch/x86/pci/intel_mid_pci.c @@ -233,9 +233,9 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev) return 0; ret = pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &gsi); - if (ret < 0) { + if (ret) { dev_warn(&dev->dev, "Failed to read interrupt line: %d\n", ret); - return ret; + return pcibios_err_to_errno(ret); } id = x86_match_cpu(intel_mid_cpu_ids); diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index f153e9ab8c..8e4165b5b2 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -37,10 +37,10 @@ static int xen_pcifront_enable_irq(struct pci_dev *dev) u8 gsi; rc = pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &gsi); - if (rc < 0) { + if (rc) { dev_warn(&dev->dev, "Xen PCI: failed to read interrupt line: %d\n", rc); - return rc; + return pcibios_err_to_errno(rc); } /* In PV DomU the Xen PCI backend puts the PIRQ in the interrupt line.*/ pirq = gsi; diff --git a/arch/x86/platform/efi/Makefile b/arch/x86/platform/efi/Makefile index 84b09c230c..196f61fdbf 100644 --- a/arch/x86/platform/efi/Makefile +++ b/arch/x86/platform/efi/Makefile @@ -3,5 +3,6 @@ OBJECT_FILES_NON_STANDARD_efi_thunk_$(BITS).o := y KASAN_SANITIZE := n GCOV_PROFILE := n -obj-$(CONFIG_EFI) += quirks.o efi.o efi_$(BITS).o efi_stub_$(BITS).o +obj-$(CONFIG_EFI) += memmap.o quirks.o efi.o efi_$(BITS).o \ + efi_stub_$(BITS).o obj-$(CONFIG_EFI_MIXED) += efi_thunk_$(BITS).o diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 147c30a81f..da17de2483 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -234,9 +234,11 @@ int __init efi_memblock_x86_reserve_range(void) data.desc_size = e->efi_memdesc_size; data.desc_version = e->efi_memdesc_version; - rv = efi_memmap_init_early(&data); - if (rv) - return rv; + if (!efi_enabled(EFI_PARAVIRT)) { + rv = efi_memmap_init_early(&data); + if (rv) + return rv; + } if (add_efi_memmap || do_efi_soft_reserve()) do_add_efi_memmap(); diff --git a/arch/x86/platform/efi/memmap.c b/arch/x86/platform/efi/memmap.c new file mode 100644 index 0000000000..872d310c42 --- /dev/null +++ b/arch/x86/platform/efi/memmap.c @@ -0,0 +1,249 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Common EFI memory map functions. + */ + +#define pr_fmt(fmt) "efi: " fmt + +#include +#include +#include +#include +#include +#include +#include +#include + +static phys_addr_t __init __efi_memmap_alloc_early(unsigned long size) +{ + return memblock_phys_alloc(size, SMP_CACHE_BYTES); +} + +static phys_addr_t __init __efi_memmap_alloc_late(unsigned long size) +{ + unsigned int order = get_order(size); + struct page *p = alloc_pages(GFP_KERNEL, order); + + if (!p) + return 0; + + return PFN_PHYS(page_to_pfn(p)); +} + +void __init __efi_memmap_free(u64 phys, unsigned long size, unsigned long flags) +{ + if (flags & EFI_MEMMAP_MEMBLOCK) { + if (slab_is_available()) + memblock_free_late(phys, size); + else + memblock_free(phys, size); + } else if (flags & EFI_MEMMAP_SLAB) { + struct page *p = pfn_to_page(PHYS_PFN(phys)); + unsigned int order = get_order(size); + + free_pages((unsigned long) page_address(p), order); + } +} + +/** + * efi_memmap_alloc - Allocate memory for the EFI memory map + * @num_entries: Number of entries in the allocated map. + * @data: efi memmap installation parameters + * + * Depending on whether mm_init() has already been invoked or not, + * either memblock or "normal" page allocation is used. + * + * Returns zero on success, a negative error code on failure. + */ +int __init efi_memmap_alloc(unsigned int num_entries, + struct efi_memory_map_data *data) +{ + /* Expect allocation parameters are zero initialized */ + WARN_ON(data->phys_map || data->size); + + data->size = num_entries * efi.memmap.desc_size; + data->desc_version = efi.memmap.desc_version; + data->desc_size = efi.memmap.desc_size; + data->flags &= ~(EFI_MEMMAP_SLAB | EFI_MEMMAP_MEMBLOCK); + data->flags |= efi.memmap.flags & EFI_MEMMAP_LATE; + + if (slab_is_available()) { + data->flags |= EFI_MEMMAP_SLAB; + data->phys_map = __efi_memmap_alloc_late(data->size); + } else { + data->flags |= EFI_MEMMAP_MEMBLOCK; + data->phys_map = __efi_memmap_alloc_early(data->size); + } + + if (!data->phys_map) + return -ENOMEM; + return 0; +} + +/** + * efi_memmap_install - Install a new EFI memory map in efi.memmap + * @ctx: map allocation parameters (address, size, flags) + * + * Unlike efi_memmap_init_*(), this function does not allow the caller + * to switch from early to late mappings. It simply uses the existing + * mapping function and installs the new memmap. + * + * Returns zero on success, a negative error code on failure. + */ +int __init efi_memmap_install(struct efi_memory_map_data *data) +{ + unsigned long size = efi.memmap.desc_size * efi.memmap.nr_map; + unsigned long flags = efi.memmap.flags; + u64 phys = efi.memmap.phys_map; + int ret; + + efi_memmap_unmap(); + + if (efi_enabled(EFI_PARAVIRT)) + return 0; + + ret = __efi_memmap_init(data); + if (ret) + return ret; + + __efi_memmap_free(phys, size, flags); + return 0; +} + +/** + * efi_memmap_split_count - Count number of additional EFI memmap entries + * @md: EFI memory descriptor to split + * @range: Address range (start, end) to split around + * + * Returns the number of additional EFI memmap entries required to + * accommodate @range. + */ +int __init efi_memmap_split_count(efi_memory_desc_t *md, struct range *range) +{ + u64 m_start, m_end; + u64 start, end; + int count = 0; + + start = md->phys_addr; + end = start + (md->num_pages << EFI_PAGE_SHIFT) - 1; + + /* modifying range */ + m_start = range->start; + m_end = range->end; + + if (m_start <= start) { + /* split into 2 parts */ + if (start < m_end && m_end < end) + count++; + } + + if (start < m_start && m_start < end) { + /* split into 3 parts */ + if (m_end < end) + count += 2; + /* split into 2 parts */ + if (end <= m_end) + count++; + } + + return count; +} + +/** + * efi_memmap_insert - Insert a memory region in an EFI memmap + * @old_memmap: The existing EFI memory map structure + * @buf: Address of buffer to store new map + * @mem: Memory map entry to insert + * + * It is suggested that you call efi_memmap_split_count() first + * to see how large @buf needs to be. + */ +void __init efi_memmap_insert(struct efi_memory_map *old_memmap, void *buf, + struct efi_mem_range *mem) +{ + u64 m_start, m_end, m_attr; + efi_memory_desc_t *md; + u64 start, end; + void *old, *new; + + /* modifying range */ + m_start = mem->range.start; + m_end = mem->range.end; + m_attr = mem->attribute; + + /* + * The EFI memory map deals with regions in EFI_PAGE_SIZE + * units. Ensure that the region described by 'mem' is aligned + * correctly. + */ + if (!IS_ALIGNED(m_start, EFI_PAGE_SIZE) || + !IS_ALIGNED(m_end + 1, EFI_PAGE_SIZE)) { + WARN_ON(1); + return; + } + + for (old = old_memmap->map, new = buf; + old < old_memmap->map_end; + old += old_memmap->desc_size, new += old_memmap->desc_size) { + + /* copy original EFI memory descriptor */ + memcpy(new, old, old_memmap->desc_size); + md = new; + start = md->phys_addr; + end = md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT) - 1; + + if (m_start <= start && end <= m_end) + md->attribute |= m_attr; + + if (m_start <= start && + (start < m_end && m_end < end)) { + /* first part */ + md->attribute |= m_attr; + md->num_pages = (m_end - md->phys_addr + 1) >> + EFI_PAGE_SHIFT; + /* latter part */ + new += old_memmap->desc_size; + memcpy(new, old, old_memmap->desc_size); + md = new; + md->phys_addr = m_end + 1; + md->num_pages = (end - md->phys_addr + 1) >> + EFI_PAGE_SHIFT; + } + + if ((start < m_start && m_start < end) && m_end < end) { + /* first part */ + md->num_pages = (m_start - md->phys_addr) >> + EFI_PAGE_SHIFT; + /* middle part */ + new += old_memmap->desc_size; + memcpy(new, old, old_memmap->desc_size); + md = new; + md->attribute |= m_attr; + md->phys_addr = m_start; + md->num_pages = (m_end - m_start + 1) >> + EFI_PAGE_SHIFT; + /* last part */ + new += old_memmap->desc_size; + memcpy(new, old, old_memmap->desc_size); + md = new; + md->phys_addr = m_end + 1; + md->num_pages = (end - m_end) >> + EFI_PAGE_SHIFT; + } + + if ((start < m_start && m_start < end) && + (end <= m_end)) { + /* first part */ + md->num_pages = (m_start - md->phys_addr) >> + EFI_PAGE_SHIFT; + /* latter part */ + new += old_memmap->desc_size; + memcpy(new, old, old_memmap->desc_size); + md = new; + md->phys_addr = m_start; + md->num_pages = (end - md->phys_addr + 1) >> + EFI_PAGE_SHIFT; + md->attribute |= m_attr; + } + } +} diff --git a/arch/x86/platform/intel/iosf_mbi.c b/arch/x86/platform/intel/iosf_mbi.c index fdd49d70b4..c81cea208c 100644 --- a/arch/x86/platform/intel/iosf_mbi.c +++ b/arch/x86/platform/intel/iosf_mbi.c @@ -62,7 +62,7 @@ static int iosf_mbi_pci_read_mdr(u32 mcrx, u32 mcr, u32 *mdr) fail_read: dev_err(&mbi_pdev->dev, "PCI config access failed with %d\n", result); - return result; + return pcibios_err_to_errno(result); } static int iosf_mbi_pci_write_mdr(u32 mcrx, u32 mcr, u32 mdr) @@ -91,7 +91,7 @@ static int iosf_mbi_pci_write_mdr(u32 mcrx, u32 mcr, u32 mdr) fail_write: dev_err(&mbi_pdev->dev, "PCI config access failed with %d\n", result); - return result; + return pcibios_err_to_errno(result); } int iosf_mbi_read(u8 port, u8 opcode, u32 offset, u32 *mdr) diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index 5e6e236977..9b3a9fa4a0 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -736,7 +736,7 @@ int set_foreign_p2m_mapping(struct gnttab_map_grant_ref *map_ops, * immediate unmapping. */ map_ops[i].status = GNTST_general_error; - unmap[0].host_addr = map_ops[i].host_addr, + unmap[0].host_addr = map_ops[i].host_addr; unmap[0].handle = map_ops[i].handle; map_ops[i].handle = INVALID_GRANT_HANDLE; if (map_ops[i].flags & GNTMAP_device_map) @@ -746,7 +746,7 @@ int set_foreign_p2m_mapping(struct gnttab_map_grant_ref *map_ops, if (kmap_ops) { kmap_ops[i].status = GNTST_general_error; - unmap[1].host_addr = kmap_ops[i].host_addr, + unmap[1].host_addr = kmap_ops[i].host_addr; unmap[1].handle = kmap_ops[i].handle; kmap_ops[i].handle = INVALID_GRANT_HANDLE; if (kmap_ops[i].flags & GNTMAP_device_map) diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index 1f80dd3a2d..629c94d1ab 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -856,7 +856,7 @@ char * __init xen_memory_setup(void) * to relocating (and even reusing) pages with kernel text or data. */ if (xen_is_e820_reserved(__pa_symbol(_text), - __pa_symbol(__bss_stop) - __pa_symbol(_text))) { + __pa_symbol(_end) - __pa_symbol(_text))) { xen_raw_console_write("Xen hypervisor allocated kernel memory conflicts with E820 map\n"); BUG(); } diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index f545549064..c985c944fa 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -2753,8 +2753,12 @@ bfq_setup_cooperator(struct bfq_data *bfqd, struct bfq_queue *bfqq, struct bfq_queue *in_service_bfqq, *new_bfqq; /* if a merge has already been setup, then proceed with that first */ - if (bfqq->new_bfqq) - return bfqq->new_bfqq; + new_bfqq = bfqq->new_bfqq; + if (new_bfqq) { + while (new_bfqq->new_bfqq) + new_bfqq = new_bfqq->new_bfqq; + return new_bfqq; + } /* * Check delayed stable merge for rotational or non-queueing @@ -2977,10 +2981,12 @@ void bfq_release_process_ref(struct bfq_data *bfqd, struct bfq_queue *bfqq) bfq_put_queue(bfqq); } -static void -bfq_merge_bfqqs(struct bfq_data *bfqd, struct bfq_io_cq *bic, - struct bfq_queue *bfqq, struct bfq_queue *new_bfqq) +static struct bfq_queue *bfq_merge_bfqqs(struct bfq_data *bfqd, + struct bfq_io_cq *bic, + struct bfq_queue *bfqq) { + struct bfq_queue *new_bfqq = bfqq->new_bfqq; + bfq_log_bfqq(bfqd, bfqq, "merging with queue %lu", (unsigned long)new_bfqq->pid); /* Save weight raising and idle window of the merged queues */ @@ -3074,6 +3080,8 @@ bfq_merge_bfqqs(struct bfq_data *bfqd, struct bfq_io_cq *bic, bfq_reassign_last_bfqq(bfqq, new_bfqq); bfq_release_process_ref(bfqd, bfqq); + + return new_bfqq; } static bool bfq_allow_bio_merge(struct request_queue *q, struct request *rq, @@ -3109,14 +3117,8 @@ static bool bfq_allow_bio_merge(struct request_queue *q, struct request *rq, * fulfilled, i.e., bic can be redirected to new_bfqq * and bfqq can be put. */ - bfq_merge_bfqqs(bfqd, bfqd->bio_bic, bfqq, - new_bfqq); - /* - * If we get here, bio will be queued into new_queue, - * so use new_bfqq to decide whether bio and rq can be - * merged. - */ - bfqq = new_bfqq; + while (bfqq != new_bfqq) + bfqq = bfq_merge_bfqqs(bfqd, bfqd->bio_bic, bfqq); /* * Change also bqfd->bio_bfqq, as @@ -5478,9 +5480,7 @@ bfq_do_early_stable_merge(struct bfq_data *bfqd, struct bfq_queue *bfqq, * state before killing it. */ bfqq->bic = bic; - bfq_merge_bfqqs(bfqd, bic, bfqq, new_bfqq); - - return new_bfqq; + return bfq_merge_bfqqs(bfqd, bic, bfqq); } /* @@ -5912,6 +5912,7 @@ static bool __bfq_insert_request(struct bfq_data *bfqd, struct request *rq) bool waiting, idle_timer_disabled = false; if (new_bfqq) { + struct bfq_queue *old_bfqq = bfqq; /* * Release the request's reference to the old bfqq * and make sure one is taken to the shared queue. @@ -5927,18 +5928,18 @@ static bool __bfq_insert_request(struct bfq_data *bfqd, struct request *rq) * then complete the merge and redirect it to * new_bfqq. */ - if (bic_to_bfqq(RQ_BIC(rq), 1) == bfqq) - bfq_merge_bfqqs(bfqd, RQ_BIC(rq), - bfqq, new_bfqq); + if (bic_to_bfqq(RQ_BIC(rq), 1) == bfqq) { + while (bfqq != new_bfqq) + bfqq = bfq_merge_bfqqs(bfqd, RQ_BIC(rq), bfqq); + } - bfq_clear_bfqq_just_created(bfqq); + bfq_clear_bfqq_just_created(old_bfqq); /* * rq is about to be enqueued into new_bfqq, * release rq reference on bfqq */ - bfq_put_queue(bfqq); + bfq_put_queue(old_bfqq); rq->elv.priv[1] = new_bfqq; - bfqq = new_bfqq; } bfq_update_io_thinktime(bfqd, bfqq); @@ -6470,7 +6471,7 @@ bfq_split_bfqq(struct bfq_io_cq *bic, struct bfq_queue *bfqq) { bfq_log_bfqq(bfqq->bfqd, bfqq, "splitting queue"); - if (bfqq_process_refs(bfqq) == 1) { + if (bfqq_process_refs(bfqq) == 1 && !bfqq->new_bfqq) { bfqq->pid = current->pid; bfq_clear_bfqq_coop(bfqq); bfq_clear_bfqq_split_coop(bfqq); @@ -6564,6 +6565,31 @@ static void bfq_prepare_request(struct request *rq) rq->elv.priv[0] = rq->elv.priv[1] = NULL; } +static struct bfq_queue *bfq_waker_bfqq(struct bfq_queue *bfqq) +{ + struct bfq_queue *new_bfqq = bfqq->new_bfqq; + struct bfq_queue *waker_bfqq = bfqq->waker_bfqq; + + if (!waker_bfqq) + return NULL; + + while (new_bfqq) { + if (new_bfqq == waker_bfqq) { + /* + * If waker_bfqq is in the merge chain, and current + * is the only procress. + */ + if (bfqq_process_refs(waker_bfqq) == 1) + return NULL; + break; + } + + new_bfqq = new_bfqq->new_bfqq; + } + + return waker_bfqq; +} + /* * If needed, init rq, allocate bfq data structures associated with * rq, and increment reference counters in the destination bfq_queue @@ -6624,7 +6650,7 @@ static struct bfq_queue *bfq_init_rq(struct request *rq) /* If the queue was seeky for too long, break it apart. */ if (bfq_bfqq_coop(bfqq) && bfq_bfqq_split_coop(bfqq) && !bic->stably_merged) { - struct bfq_queue *old_bfqq = bfqq; + struct bfq_queue *waker_bfqq = bfq_waker_bfqq(bfqq); /* Update bic before losing reference to bfqq */ if (bfq_bfqq_in_large_burst(bfqq)) @@ -6643,7 +6669,7 @@ static struct bfq_queue *bfq_init_rq(struct request *rq) bfqq_already_existing = true; if (!bfqq_already_existing) { - bfqq->waker_bfqq = old_bfqq->waker_bfqq; + bfqq->waker_bfqq = waker_bfqq; bfqq->tentative_waker_bfqq = NULL; /* @@ -6653,7 +6679,7 @@ static struct bfq_queue *bfq_init_rq(struct request *rq) * woken_list of the waker. See * bfq_check_waker for details. */ - if (bfqq->waker_bfqq) + if (waker_bfqq) hlist_add_head(&bfqq->woken_list_node, &bfqq->waker_bfqq->woken_list); } @@ -6675,7 +6701,8 @@ static struct bfq_queue *bfq_init_rq(struct request *rq) * addition, if the queue has also just been split, we have to * resume its state. */ - if (likely(bfqq != &bfqd->oom_bfqq) && bfqq_process_refs(bfqq) == 1) { + if (likely(bfqq != &bfqd->oom_bfqq) && !bfqq->new_bfqq && + bfqq_process_refs(bfqq) == 1) { bfqq->bic = bic; if (split) { /* diff --git a/block/bio-integrity.c b/block/bio-integrity.c index 4f34ac27c4..bb364a25ac 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -203,8 +203,7 @@ bool bio_integrity_prep(struct bio *bio) unsigned long start, end; unsigned int len, nr_pages; unsigned int bytes, offset, i; - unsigned int intervals; - blk_status_t status; + gfp_t gfp = GFP_NOIO; if (!bi) return true; @@ -227,13 +226,19 @@ bool bio_integrity_prep(struct bio *bio) if (!bi->profile->generate_fn || !(bi->flags & BLK_INTEGRITY_GENERATE)) return true; + + /* + * Zero the memory allocated to not leak uninitialized kernel + * memory to disk. For PI this only affects the app tag, but + * for non-integrity metadata it affects the entire metadata + * buffer. + */ + gfp |= __GFP_ZERO; } - intervals = bio_integrity_intervals(bi, bio_sectors(bio)); /* Allocate kernel buffer for protection data */ - len = intervals * bi->tuple_size; - buf = kmalloc(len, GFP_NOIO); - status = BLK_STS_RESOURCE; + len = bio_integrity_bytes(bi, bio_sectors(bio)); + buf = kmalloc(len, gfp); if (unlikely(buf == NULL)) { printk(KERN_ERR "could not allocate integrity buffer\n"); goto err_end_io; @@ -248,7 +253,6 @@ bool bio_integrity_prep(struct bio *bio) if (IS_ERR(bip)) { printk(KERN_ERR "could not allocate data integrity bioset\n"); kfree(buf); - status = BLK_STS_RESOURCE; goto err_end_io; } @@ -276,7 +280,6 @@ bool bio_integrity_prep(struct bio *bio) if (ret == 0) { printk(KERN_ERR "could not attach integrity payload\n"); - status = BLK_STS_RESOURCE; goto err_end_io; } @@ -298,7 +301,7 @@ bool bio_integrity_prep(struct bio *bio) return true; err_end_io: - bio->bi_status = status; + bio->bi_status = BLK_STS_RESOURCE; bio_endio(bio); return false; diff --git a/block/blk-integrity.c b/block/blk-integrity.c index 16d5d53383..fbbb38cc9e 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -212,61 +212,44 @@ bool blk_integrity_merge_bio(struct request_queue *q, struct request *req, return true; } -struct integrity_sysfs_entry { - struct attribute attr; - ssize_t (*show)(struct blk_integrity *, char *); - ssize_t (*store)(struct blk_integrity *, const char *, size_t); -}; - -static ssize_t integrity_attr_show(struct kobject *kobj, struct attribute *attr, - char *page) +static inline struct blk_integrity *dev_to_bi(struct device *dev) { - struct gendisk *disk = container_of(kobj, struct gendisk, integrity_kobj); - struct blk_integrity *bi = &disk->queue->integrity; - struct integrity_sysfs_entry *entry = - container_of(attr, struct integrity_sysfs_entry, attr); - - return entry->show(bi, page); + return &dev_to_disk(dev)->queue->integrity; } -static ssize_t integrity_attr_store(struct kobject *kobj, - struct attribute *attr, const char *page, - size_t count) +static ssize_t format_show(struct device *dev, struct device_attribute *attr, + char *page) { - struct gendisk *disk = container_of(kobj, struct gendisk, integrity_kobj); - struct blk_integrity *bi = &disk->queue->integrity; - struct integrity_sysfs_entry *entry = - container_of(attr, struct integrity_sysfs_entry, attr); - ssize_t ret = 0; + struct blk_integrity *bi = dev_to_bi(dev); - if (entry->store) - ret = entry->store(bi, page, count); - - return ret; -} - -static ssize_t integrity_format_show(struct blk_integrity *bi, char *page) -{ if (bi->profile && bi->profile->name) - return sprintf(page, "%s\n", bi->profile->name); - else - return sprintf(page, "none\n"); + return sysfs_emit(page, "%s\n", bi->profile->name); + return sysfs_emit(page, "none\n"); } -static ssize_t integrity_tag_size_show(struct blk_integrity *bi, char *page) +static ssize_t tag_size_show(struct device *dev, struct device_attribute *attr, + char *page) { - return sprintf(page, "%u\n", bi->tag_size); + struct blk_integrity *bi = dev_to_bi(dev); + + return sysfs_emit(page, "%u\n", bi->tag_size); } -static ssize_t integrity_interval_show(struct blk_integrity *bi, char *page) +static ssize_t protection_interval_bytes_show(struct device *dev, + struct device_attribute *attr, + char *page) { - return sprintf(page, "%u\n", - bi->interval_exp ? 1 << bi->interval_exp : 0); + struct blk_integrity *bi = dev_to_bi(dev); + + return sysfs_emit(page, "%u\n", + bi->interval_exp ? 1 << bi->interval_exp : 0); } -static ssize_t integrity_verify_store(struct blk_integrity *bi, - const char *page, size_t count) +static ssize_t read_verify_store(struct device *dev, + struct device_attribute *attr, + const char *page, size_t count) { + struct blk_integrity *bi = dev_to_bi(dev); char *p = (char *) page; unsigned long val = simple_strtoul(p, &p, 10); @@ -278,14 +261,20 @@ static ssize_t integrity_verify_store(struct blk_integrity *bi, return count; } -static ssize_t integrity_verify_show(struct blk_integrity *bi, char *page) +static ssize_t read_verify_show(struct device *dev, + struct device_attribute *attr, char *page) { - return sprintf(page, "%d\n", (bi->flags & BLK_INTEGRITY_VERIFY) != 0); + struct blk_integrity *bi = dev_to_bi(dev); + + return sysfs_emit(page, "%d\n", !!(bi->flags & BLK_INTEGRITY_VERIFY)); } -static ssize_t integrity_generate_store(struct blk_integrity *bi, - const char *page, size_t count) +static ssize_t write_generate_store(struct device *dev, + struct device_attribute *attr, + const char *page, size_t count) { + struct blk_integrity *bi = dev_to_bi(dev); + char *p = (char *) page; unsigned long val = simple_strtoul(p, &p, 10); @@ -297,68 +286,44 @@ static ssize_t integrity_generate_store(struct blk_integrity *bi, return count; } -static ssize_t integrity_generate_show(struct blk_integrity *bi, char *page) +static ssize_t write_generate_show(struct device *dev, + struct device_attribute *attr, char *page) { - return sprintf(page, "%d\n", (bi->flags & BLK_INTEGRITY_GENERATE) != 0); -} + struct blk_integrity *bi = dev_to_bi(dev); -static ssize_t integrity_device_show(struct blk_integrity *bi, char *page) -{ - return sprintf(page, "%u\n", - (bi->flags & BLK_INTEGRITY_DEVICE_CAPABLE) != 0); + return sysfs_emit(page, "%d\n", !!(bi->flags & BLK_INTEGRITY_GENERATE)); } -static struct integrity_sysfs_entry integrity_format_entry = { - .attr = { .name = "format", .mode = 0444 }, - .show = integrity_format_show, -}; - -static struct integrity_sysfs_entry integrity_tag_size_entry = { - .attr = { .name = "tag_size", .mode = 0444 }, - .show = integrity_tag_size_show, -}; - -static struct integrity_sysfs_entry integrity_interval_entry = { - .attr = { .name = "protection_interval_bytes", .mode = 0444 }, - .show = integrity_interval_show, -}; - -static struct integrity_sysfs_entry integrity_verify_entry = { - .attr = { .name = "read_verify", .mode = 0644 }, - .show = integrity_verify_show, - .store = integrity_verify_store, -}; +static ssize_t device_is_integrity_capable_show(struct device *dev, + struct device_attribute *attr, + char *page) +{ + struct blk_integrity *bi = dev_to_bi(dev); -static struct integrity_sysfs_entry integrity_generate_entry = { - .attr = { .name = "write_generate", .mode = 0644 }, - .show = integrity_generate_show, - .store = integrity_generate_store, -}; + return sysfs_emit(page, "%u\n", + !!(bi->flags & BLK_INTEGRITY_DEVICE_CAPABLE)); +} -static struct integrity_sysfs_entry integrity_device_entry = { - .attr = { .name = "device_is_integrity_capable", .mode = 0444 }, - .show = integrity_device_show, -}; +static DEVICE_ATTR_RO(format); +static DEVICE_ATTR_RO(tag_size); +static DEVICE_ATTR_RO(protection_interval_bytes); +static DEVICE_ATTR_RW(read_verify); +static DEVICE_ATTR_RW(write_generate); +static DEVICE_ATTR_RO(device_is_integrity_capable); static struct attribute *integrity_attrs[] = { - &integrity_format_entry.attr, - &integrity_tag_size_entry.attr, - &integrity_interval_entry.attr, - &integrity_verify_entry.attr, - &integrity_generate_entry.attr, - &integrity_device_entry.attr, - NULL, + &dev_attr_format.attr, + &dev_attr_tag_size.attr, + &dev_attr_protection_interval_bytes.attr, + &dev_attr_read_verify.attr, + &dev_attr_write_generate.attr, + &dev_attr_device_is_integrity_capable.attr, + NULL }; -ATTRIBUTE_GROUPS(integrity); -static const struct sysfs_ops integrity_ops = { - .show = &integrity_attr_show, - .store = &integrity_attr_store, -}; - -static struct kobj_type integrity_ktype = { - .default_groups = integrity_groups, - .sysfs_ops = &integrity_ops, +const struct attribute_group blk_integrity_attr_group = { + .name = "integrity", + .attrs = integrity_attrs, }; static blk_status_t blk_integrity_nop_fn(struct blk_integrity_iter *iter) @@ -431,27 +396,7 @@ void blk_integrity_unregister(struct gendisk *disk) if (!bi->profile) return; - /* ensure all bios are off the integrity workqueue */ - blk_flush_integrity(); blk_queue_flag_clear(QUEUE_FLAG_STABLE_WRITES, disk->queue); memset(bi, 0, sizeof(*bi)); } EXPORT_SYMBOL(blk_integrity_unregister); - -int blk_integrity_add(struct gendisk *disk) -{ - int ret; - - ret = kobject_init_and_add(&disk->integrity_kobj, &integrity_ktype, - &disk_to_dev(disk)->kobj, "%s", "integrity"); - if (!ret) - kobject_uevent(&disk->integrity_kobj, KOBJ_ADD); - return ret; -} - -void blk_integrity_del(struct gendisk *disk) -{ - kobject_uevent(&disk->integrity_kobj, KOBJ_REMOVE); - kobject_del(&disk->integrity_kobj); - kobject_put(&disk->integrity_kobj); -} diff --git a/block/blk-iocost.c b/block/blk-iocost.c index bfdb7b0cf4..9654d1c2c2 100644 --- a/block/blk-iocost.c +++ b/block/blk-iocost.c @@ -2068,7 +2068,7 @@ static void ioc_forgive_debts(struct ioc *ioc, u64 usage_us_sum, int nr_debtors, struct ioc_now *now) { struct ioc_gq *iocg; - u64 dur, usage_pct, nr_cycles; + u64 dur, usage_pct, nr_cycles, nr_cycles_shift; /* if no debtor, reset the cycle */ if (!nr_debtors) { @@ -2130,10 +2130,12 @@ static void ioc_forgive_debts(struct ioc *ioc, u64 usage_us_sum, int nr_debtors, old_debt = iocg->abs_vdebt; old_delay = iocg->delay; + nr_cycles_shift = min_t(u64, nr_cycles, BITS_PER_LONG - 1); if (iocg->abs_vdebt) - iocg->abs_vdebt = iocg->abs_vdebt >> nr_cycles ?: 1; + iocg->abs_vdebt = iocg->abs_vdebt >> nr_cycles_shift ?: 1; + if (iocg->delay) - iocg->delay = iocg->delay >> nr_cycles ?: 1; + iocg->delay = iocg->delay >> nr_cycles_shift ?: 1; iocg_kick_waitq(iocg, true, now); diff --git a/block/blk-rq-qos.c b/block/blk-rq-qos.c index e83af7bc75..26dd3e7bd0 100644 --- a/block/blk-rq-qos.c +++ b/block/blk-rq-qos.c @@ -225,8 +225,8 @@ static int rq_qos_wake_function(struct wait_queue_entry *curr, data->got_token = true; smp_wmb(); - list_del_init(&curr->entry); wake_up_process(data->task); + list_del_init_careful(&curr->entry); return 1; } diff --git a/block/blk.h b/block/blk.h index aab72194d2..e90a5e3485 100644 --- a/block/blk.h +++ b/block/blk.h @@ -130,8 +130,7 @@ static inline bool integrity_req_gap_front_merge(struct request *req, bip_next->bip_vec[0].bv_offset); } -int blk_integrity_add(struct gendisk *disk); -void blk_integrity_del(struct gendisk *); +extern const struct attribute_group blk_integrity_attr_group; #else /* CONFIG_BLK_DEV_INTEGRITY */ static inline bool blk_integrity_merge_rq(struct request_queue *rq, struct request *r1, struct request *r2) @@ -164,13 +163,6 @@ static inline bool bio_integrity_endio(struct bio *bio) static inline void bio_integrity_free(struct bio *bio) { } -static inline int blk_integrity_add(struct gendisk *disk) -{ - return 0; -} -static inline void blk_integrity_del(struct gendisk *disk) -{ -} #endif /* CONFIG_BLK_DEV_INTEGRITY */ unsigned long blk_rq_timeout(unsigned long timeout); diff --git a/block/elevator.c b/block/elevator.c index 1b5e57f611..a98e8356f1 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -620,7 +620,7 @@ int elevator_switch_mq(struct request_queue *q, static inline bool elv_support_iosched(struct request_queue *q) { if (!queue_is_mq(q) || - (q->tag_set && (q->tag_set->flags & BLK_MQ_F_NO_SCHED))) + (q->tag_set->flags & BLK_MQ_F_NO_SCHED)) return false; return true; } @@ -631,7 +631,7 @@ static inline bool elv_support_iosched(struct request_queue *q) */ static struct elevator_type *elevator_get_default(struct request_queue *q) { - if (q->tag_set && q->tag_set->flags & BLK_MQ_F_NO_SCHED_BY_DEFAULT) + if (q->tag_set->flags & BLK_MQ_F_NO_SCHED_BY_DEFAULT) return NULL; if (q->nr_hw_queues != 1 && diff --git a/block/genhd.c b/block/genhd.c index 4d28f1d5f9..88d1a6385a 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -467,15 +467,11 @@ int device_add_disk(struct device *parent, struct gendisk *disk, */ pm_runtime_set_memalloc_noio(ddev, true); - ret = blk_integrity_add(disk); - if (ret) - goto out_del_block_link; - disk->part0->bd_holder_dir = kobject_create_and_add("holders", &ddev->kobj); if (!disk->part0->bd_holder_dir) { ret = -ENOMEM; - goto out_del_integrity; + goto out_del_block_link; } disk->slave_dir = kobject_create_and_add("slaves", &ddev->kobj); if (!disk->slave_dir) { @@ -535,8 +531,6 @@ int device_add_disk(struct device *parent, struct gendisk *disk, disk->slave_dir = NULL; out_put_holder_dir: kobject_put(disk->part0->bd_holder_dir); -out_del_integrity: - blk_integrity_del(disk); out_del_block_link: if (!sysfs_deprecated) sysfs_remove_link(block_depr, dev_name(ddev)); @@ -592,7 +586,6 @@ void del_gendisk(struct gendisk *disk) if (WARN_ON_ONCE(!disk_live(disk) && !(disk->flags & GENHD_FL_HIDDEN))) return; - blk_integrity_del(disk); disk_del_events(disk); mutex_lock(&disk->open_mutex); @@ -1084,6 +1077,9 @@ static struct attribute_group disk_attr_group = { static const struct attribute_group *disk_attr_groups[] = { &disk_attr_group, +#ifdef CONFIG_BLK_DEV_INTEGRITY + &blk_integrity_attr_group, +#endif NULL }; diff --git a/block/ioctl.c b/block/ioctl.c index 7a939c1786..a260e39e56 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -33,7 +33,7 @@ static int blkpg_do_ioctl(struct block_device *bdev, if (op == BLKPG_DEL_PARTITION) return bdev_del_partition(disk, p.pno); - if (p.start < 0 || p.length <= 0 || p.start + p.length < 0) + if (p.start < 0 || p.length <= 0 || LLONG_MAX - p.length < p.start) return -EINVAL; /* Check that the partition is aligned to the block size */ if (!IS_ALIGNED(p.start | p.length, bdev_logical_block_size(bdev))) diff --git a/block/partitions/core.c b/block/partitions/core.c index b6a941889b..0d1fe2b42b 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -590,9 +590,11 @@ static bool blk_add_partition(struct gendisk *disk, part = add_partition(disk, p, from, size, state->parts[p].flags, &state->parts[p].info); - if (IS_ERR(part) && PTR_ERR(part) != -ENXIO) { - printk(KERN_ERR " %s: p%d could not be added: %ld\n", - disk->disk_name, p, -PTR_ERR(part)); + if (IS_ERR(part)) { + if (PTR_ERR(part) != -ENXIO) { + printk(KERN_ERR " %s: p%d could not be added: %pe\n", + disk->disk_name, p, part); + } return true; } diff --git a/crypto/aead.c b/crypto/aead.c index 1699109527..c4ece86c45 100644 --- a/crypto/aead.c +++ b/crypto/aead.c @@ -35,8 +35,7 @@ static int setkey_unaligned(struct crypto_aead *tfm, const u8 *key, alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); memcpy(alignbuffer, key, keylen); ret = crypto_aead_alg(tfm)->setkey(tfm, alignbuffer, keylen); - memset(alignbuffer, 0, keylen); - kfree(buffer); + kfree_sensitive(buffer); return ret; } diff --git a/crypto/cipher.c b/crypto/cipher.c index b47141ed4a..395f0c2fbb 100644 --- a/crypto/cipher.c +++ b/crypto/cipher.c @@ -34,8 +34,7 @@ static int setkey_unaligned(struct crypto_cipher *tfm, const u8 *key, alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); memcpy(alignbuffer, key, keylen); ret = cia->cia_setkey(crypto_cipher_tfm(tfm), alignbuffer, keylen); - memset(alignbuffer, 0, keylen); - kfree(buffer); + kfree_sensitive(buffer); return ret; } diff --git a/crypto/ecdh.c b/crypto/ecdh.c index c6f61c2211..865e76e5a5 100644 --- a/crypto/ecdh.c +++ b/crypto/ecdh.c @@ -33,6 +33,8 @@ static int ecdh_set_secret(struct crypto_kpp *tfm, const void *buf, params.key_size > sizeof(u64) * ctx->ndigits) return -EINVAL; + memset(ctx->private_key, 0, sizeof(ctx->private_key)); + if (!params.key || !params.key_size) return ecc_gen_privkey(ctx->curve_id, ctx->ndigits, ctx->private_key); diff --git a/crypto/xor.c b/crypto/xor.c index 8e72e5d5db..56aa3169e8 100644 --- a/crypto/xor.c +++ b/crypto/xor.c @@ -83,33 +83,30 @@ static void __init do_xor_speed(struct xor_block_template *tmpl, void *b1, void *b2) { int speed; - int i, j; - ktime_t min, start, diff; + unsigned long reps; + ktime_t min, start, t0; tmpl->next = template_list; template_list = tmpl; preempt_disable(); - min = (ktime_t)S64_MAX; - for (i = 0; i < 3; i++) { - start = ktime_get(); - for (j = 0; j < REPS; j++) { - mb(); /* prevent loop optimization */ - tmpl->do_2(BENCH_SIZE, b1, b2); - mb(); - } - diff = ktime_sub(ktime_get(), start); - if (diff < min) - min = diff; - } + reps = 0; + t0 = ktime_get(); + /* delay start until time has advanced */ + while ((start = ktime_get()) == t0) + cpu_relax(); + do { + mb(); /* prevent loop optimization */ + tmpl->do_2(BENCH_SIZE, b1, b2); + mb(); + } while (reps++ < REPS || (t0 = ktime_get()) == start); + min = ktime_sub(t0, start); preempt_enable(); // bytes/ns == GB/s, multiply by 1000 to get MB/s [not MiB/s] - if (!min) - min = 1; - speed = (1000 * REPS * BENCH_SIZE) / (unsigned int)ktime_to_ns(min); + speed = (1000 * reps * BENCH_SIZE) / (unsigned int)ktime_to_ns(min); tmpl->speed = speed; pr_info(" %-16s: %5d MB/sec\n", tmpl->name, speed); diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index f45979aa2d..76bb9836b6 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -129,8 +129,10 @@ static void exit_round_robin(unsigned int tsk_index) { struct cpumask *pad_busy_cpus = to_cpumask(pad_busy_cpus_bits); - cpumask_clear_cpu(tsk_in_cpu[tsk_index], pad_busy_cpus); - tsk_in_cpu[tsk_index] = -1; + if (tsk_in_cpu[tsk_index] != -1) { + cpumask_clear_cpu(tsk_in_cpu[tsk_index], pad_busy_cpus); + tsk_in_cpu[tsk_index] = -1; + } } static unsigned int idle_pct = 5; /* percentage */ diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c index 6737b1cbf6..8bd5c4fa91 100644 --- a/drivers/acpi/acpi_processor.c +++ b/drivers/acpi/acpi_processor.c @@ -373,7 +373,7 @@ static int acpi_processor_add(struct acpi_device *device, result = acpi_processor_get_info(device); if (result) /* Processor is not physically present or unavailable */ - return 0; + goto err_clear_driver_data; BUG_ON(pr->id >= nr_cpu_ids); @@ -388,7 +388,7 @@ static int acpi_processor_add(struct acpi_device *device, "BIOS reported wrong ACPI id %d for the processor\n", pr->id); /* Give up, but do not abort the namespace scan. */ - goto err; + goto err_clear_driver_data; } /* * processor_device_array is not cleared on errors to allow buggy BIOS @@ -400,12 +400,12 @@ static int acpi_processor_add(struct acpi_device *device, dev = get_cpu_device(pr->id); if (!dev) { result = -ENODEV; - goto err; + goto err_clear_per_cpu; } result = acpi_bind_one(dev, device); if (result) - goto err; + goto err_clear_per_cpu; pr->dev = dev; @@ -416,10 +416,11 @@ static int acpi_processor_add(struct acpi_device *device, dev_err(dev, "Processor driver could not be attached\n"); acpi_unbind_one(dev); - err: - free_cpumask_var(pr->throttling.shared_cpu_map); - device->driver_data = NULL; + err_clear_per_cpu: per_cpu(processors, pr->id) = NULL; + err_clear_driver_data: + device->driver_data = NULL; + free_cpumask_var(pr->throttling.shared_cpu_map); err_free_pr: kfree(pr); return result; diff --git a/drivers/acpi/acpica/dbconvert.c b/drivers/acpi/acpica/dbconvert.c index 2b84ac0936..8dbab69320 100644 --- a/drivers/acpi/acpica/dbconvert.c +++ b/drivers/acpi/acpica/dbconvert.c @@ -174,6 +174,8 @@ acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object) elements = ACPI_ALLOCATE_ZEROED(DB_DEFAULT_PKG_ELEMENTS * sizeof(union acpi_object)); + if (!elements) + return (AE_NO_MEMORY); this = string; for (i = 0; i < (DB_DEFAULT_PKG_ELEMENTS - 1); i++) { diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c index d8c55dde19..8f143f377a 100644 --- a/drivers/acpi/acpica/exprep.c +++ b/drivers/acpi/acpica/exprep.c @@ -437,6 +437,9 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info) if (info->connection_node) { second_desc = info->connection_node->object; + if (second_desc == NULL) { + break; + } if (!(second_desc->common.flags & AOPOBJ_DATA_VALID)) { status = acpi_ds_get_buffer_arguments(second_desc); diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c index 82b713a9a1..4b6b53bd90 100644 --- a/drivers/acpi/acpica/exregion.c +++ b/drivers/acpi/acpica/exregion.c @@ -44,7 +44,6 @@ acpi_ex_system_memory_space_handler(u32 function, struct acpi_mem_mapping *mm = mem_info->cur_mm; u32 length; acpi_size map_length; - acpi_size page_boundary_map_length; #ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED u32 remainder; #endif @@ -138,26 +137,8 @@ acpi_ex_system_memory_space_handler(u32 function, map_length = (acpi_size) ((mem_info->address + mem_info->length) - address); - /* - * If mapping the entire remaining portion of the region will cross - * a page boundary, just map up to the page boundary, do not cross. - * On some systems, crossing a page boundary while mapping regions - * can cause warnings if the pages have different attributes - * due to resource management. - * - * This has the added benefit of constraining a single mapping to - * one page, which is similar to the original code that used a 4k - * maximum window. - */ - page_boundary_map_length = (acpi_size) - (ACPI_ROUND_UP(address, ACPI_DEFAULT_PAGE_SIZE) - address); - if (page_boundary_map_length == 0) { - page_boundary_map_length = ACPI_DEFAULT_PAGE_SIZE; - } - - if (map_length > page_boundary_map_length) { - map_length = page_boundary_map_length; - } + if (map_length > ACPI_DEFAULT_PAGE_SIZE) + map_length = ACPI_DEFAULT_PAGE_SIZE; /* Create a new mapping starting at the address given */ diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index b9ff535aa0..29239a569b 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -25,6 +25,8 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state); static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state *parser_state); +static void acpi_ps_free_field_list(union acpi_parse_object *start); + /******************************************************************************* * * FUNCTION: acpi_ps_get_next_package_length @@ -683,6 +685,39 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state return_PTR(field); } +/******************************************************************************* + * + * FUNCTION: acpi_ps_free_field_list + * + * PARAMETERS: start - First Op in field list + * + * RETURN: None. + * + * DESCRIPTION: Free all Op objects inside a field list. + * + ******************************************************************************/ + +static void acpi_ps_free_field_list(union acpi_parse_object *start) +{ + union acpi_parse_object *cur = start; + union acpi_parse_object *next; + union acpi_parse_object *arg; + + while (cur) { + next = cur->common.next; + + /* AML_INT_CONNECTION_OP can have a single argument */ + + arg = acpi_ps_get_arg(cur, 0); + if (arg) { + acpi_ps_free_op(arg); + } + + acpi_ps_free_op(cur); + cur = next; + } +} + /******************************************************************************* * * FUNCTION: acpi_ps_get_next_arg @@ -751,6 +786,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, while (parser_state->aml < parser_state->pkg_end) { field = acpi_ps_get_next_field(parser_state); if (!field) { + if (arg) { + acpi_ps_free_field_list(arg); + } + return_ACPI_STATUS(AE_NO_MEMORY); } @@ -820,6 +859,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, acpi_ps_get_next_namepath(walk_state, parser_state, arg, ACPI_NOT_METHOD_CALL); + if (ACPI_FAILURE(status)) { + acpi_ps_free_op(arg); + return_ACPI_STATUS(status); + } } else { /* Single complex argument, nothing returned */ @@ -854,6 +897,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, acpi_ps_get_next_namepath(walk_state, parser_state, arg, ACPI_POSSIBLE_METHOD_CALL); + if (ACPI_FAILURE(status)) { + acpi_ps_free_op(arg); + return_ACPI_STATUS(status); + } if (arg->common.aml_opcode == AML_INT_METHODCALL_OP) { diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index c7569151fd..8bb0f4d06a 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -676,12 +676,18 @@ static ssize_t acpi_battery_alarm_store(struct device *dev, return count; } -static const struct device_attribute alarm_attr = { +static struct device_attribute alarm_attr = { .attr = {.name = "alarm", .mode = 0644}, .show = acpi_battery_alarm_show, .store = acpi_battery_alarm_store, }; +static struct attribute *acpi_battery_attrs[] = { + &alarm_attr.attr, + NULL +}; +ATTRIBUTE_GROUPS(acpi_battery); + /* * The Battery Hooking API * @@ -695,27 +701,34 @@ static LIST_HEAD(acpi_battery_list); static LIST_HEAD(battery_hook_list); static DEFINE_MUTEX(hook_mutex); -static void __battery_hook_unregister(struct acpi_battery_hook *hook, int lock) +static void battery_hook_unregister_unlocked(struct acpi_battery_hook *hook) { struct acpi_battery *battery; + /* * In order to remove a hook, we first need to * de-register all the batteries that are registered. */ - if (lock) - mutex_lock(&hook_mutex); list_for_each_entry(battery, &acpi_battery_list, list) { hook->remove_battery(battery->bat); } - list_del(&hook->list); - if (lock) - mutex_unlock(&hook_mutex); + list_del_init(&hook->list); + pr_info("extension unregistered: %s\n", hook->name); } void battery_hook_unregister(struct acpi_battery_hook *hook) { - __battery_hook_unregister(hook, 1); + mutex_lock(&hook_mutex); + /* + * Ignore already unregistered battery hooks. This might happen + * if a battery hook was previously unloaded due to an error when + * adding a new battery. + */ + if (!list_empty(&hook->list)) + battery_hook_unregister_unlocked(hook); + + mutex_unlock(&hook_mutex); } EXPORT_SYMBOL_GPL(battery_hook_unregister); @@ -724,7 +737,6 @@ void battery_hook_register(struct acpi_battery_hook *hook) struct acpi_battery *battery; mutex_lock(&hook_mutex); - INIT_LIST_HEAD(&hook->list); list_add(&hook->list, &battery_hook_list); /* * Now that the driver is registered, we need @@ -741,7 +753,7 @@ void battery_hook_register(struct acpi_battery_hook *hook) * hooks. */ pr_err("extension failed to load: %s", hook->name); - __battery_hook_unregister(hook, 0); + battery_hook_unregister_unlocked(hook); goto end; } } @@ -778,7 +790,7 @@ static void battery_hook_add_battery(struct acpi_battery *battery) */ pr_err("error in extension, unloading: %s", hook_node->name); - __battery_hook_unregister(hook_node, 0); + battery_hook_unregister_unlocked(hook_node); } } mutex_unlock(&hook_mutex); @@ -811,14 +823,17 @@ static void __exit battery_hook_exit(void) * need to remove the hooks. */ list_for_each_entry_safe(hook, ptr, &battery_hook_list, list) { - __battery_hook_unregister(hook, 1); + battery_hook_unregister(hook); } mutex_destroy(&hook_mutex); } static int sysfs_add_battery(struct acpi_battery *battery) { - struct power_supply_config psy_cfg = { .drv_data = battery, }; + struct power_supply_config psy_cfg = { + .drv_data = battery, + .attr_grp = acpi_battery_groups, + }; bool full_cap_broken = false; if (!ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity) && @@ -863,7 +878,7 @@ static int sysfs_add_battery(struct acpi_battery *battery) return result; } battery_hook_add_battery(battery); - return device_create_file(&battery->bat->dev, &alarm_attr); + return 0; } static void sysfs_remove_battery(struct acpi_battery *battery) @@ -874,7 +889,6 @@ static void sysfs_remove_battery(struct acpi_battery *battery) return; } battery_hook_remove_battery(battery); - device_remove_file(&battery->bat->dev, &alarm_attr); power_supply_unregister(battery->bat); battery->bat = NULL; mutex_unlock(&battery->sysfs_lock); diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 7774b603a7..9bc5bc5bc3 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -283,6 +283,8 @@ EXPORT_SYMBOL_GPL(osc_pc_lpi_support_confirmed); bool osc_sb_native_usb4_support_confirmed; EXPORT_SYMBOL_GPL(osc_sb_native_usb4_support_confirmed); +bool osc_sb_cppc_not_supported; + static u8 sb_uuid_str[] = "0811B06E-4A27-44F9-8D60-3CBBC22E7B48"; static void acpi_bus_osc_negotiate_platform_control(void) { @@ -338,6 +340,12 @@ static void acpi_bus_osc_negotiate_platform_control(void) return; } +#ifdef CONFIG_X86 + if (boot_cpu_has(X86_FEATURE_HWP)) + osc_sb_cppc_not_supported = !(capbuf_ret[OSC_SUPPORT_DWORD] & + (OSC_SB_CPC_SUPPORT | OSC_SB_CPCV2_SUPPORT)); +#endif + /* * Now run _OSC again with query flag clear and with the caps * supported by both the OS and the platform. diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index d8b1481141..067affd5d7 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -130,6 +130,17 @@ static const struct dmi_system_id dmi_lid_quirks[] = { }, .driver_data = (void *)(long)ACPI_BUTTON_LID_INIT_OPEN, }, + { + /* + * Samsung galaxybook2 ,initial _LID device notification returns + * lid closed. + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "750XED"), + }, + .driver_data = (void *)(long)ACPI_BUTTON_LID_INIT_OPEN, + }, {} }; diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 6dcce036ad..0e9ccedb08 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -165,8 +165,11 @@ show_cppc_data(cppc_get_perf_ctrs, cppc_perf_fb_ctrs, wraparound_time); #define GET_BIT_WIDTH(reg) ((reg)->access_width ? (8 << ((reg)->access_width - 1)) : (reg)->bit_width) /* Shift and apply the mask for CPC reads/writes */ -#define MASK_VAL(reg, val) (((val) >> (reg)->bit_offset) & \ +#define MASK_VAL_READ(reg, val) (((val) >> (reg)->bit_offset) & \ GENMASK(((reg)->bit_width) - 1, 0)) +#define MASK_VAL_WRITE(reg, prev_val, val) \ + ((((val) & GENMASK(((reg)->bit_width) - 1, 0)) << (reg)->bit_offset) | \ + ((prev_val) & ~(GENMASK(((reg)->bit_width) - 1, 0) << (reg)->bit_offset))) \ static ssize_t show_feedback_ctrs(struct kobject *kobj, struct kobj_attribute *attr, char *buf) @@ -673,6 +676,9 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) acpi_status status; int ret = -EFAULT; + if (osc_sb_cppc_not_supported) + return -ENODEV; + /* Parse the ACPI _CPC table for this CPU. */ status = acpi_evaluate_object_typed(handle, "_CPC", NULL, &output, ACPI_TYPE_PACKAGE); @@ -807,6 +813,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) /* Store CPU Logical ID */ cpc_ptr->cpu_id = pr->id; + raw_spin_lock_init(&cpc_ptr->rmw_lock); /* Parse PSD data for this CPU */ ret = acpi_get_psd(cpc_ptr, handle); @@ -999,7 +1006,7 @@ static int cpc_read(int cpu, struct cpc_register_resource *reg_res, u64 *val) } if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) - *val = MASK_VAL(reg, *val); + *val = MASK_VAL_READ(reg, *val); return ret_val; } @@ -1008,9 +1015,12 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val) { int ret_val = 0; int size; + u64 prev_val; void __iomem *vaddr = NULL; int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu); struct cpc_reg *reg = ®_res->cpc_entry.reg; + struct cpc_desc *cpc_desc; + unsigned long flags; size = GET_BIT_WIDTH(reg); @@ -1031,8 +1041,34 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val) return acpi_os_write_memory((acpi_physical_address)reg->address, val, size); - if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) - val = MASK_VAL(reg, val); + if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { + cpc_desc = per_cpu(cpc_desc_ptr, cpu); + if (!cpc_desc) { + pr_debug("No CPC descriptor for CPU:%d\n", cpu); + return -ENODEV; + } + + raw_spin_lock_irqsave(&cpc_desc->rmw_lock, flags); + switch (size) { + case 8: + prev_val = readb_relaxed(vaddr); + break; + case 16: + prev_val = readw_relaxed(vaddr); + break; + case 32: + prev_val = readl_relaxed(vaddr); + break; + case 64: + prev_val = readq_relaxed(vaddr); + break; + default: + raw_spin_unlock_irqrestore(&cpc_desc->rmw_lock, flags); + return -EFAULT; + } + val = MASK_VAL_WRITE(reg, prev_val, val); + val |= prev_val; + } switch (size) { case 8: @@ -1059,6 +1095,9 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val) break; } + if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) + raw_spin_unlock_irqrestore(&cpc_desc->rmw_lock, flags); + return ret_val; } diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c index da9cd11adf..a0c130f7e7 100644 --- a/drivers/acpi/device_sysfs.c +++ b/drivers/acpi/device_sysfs.c @@ -543,8 +543,9 @@ int acpi_device_setup_files(struct acpi_device *dev) * If device has _STR, 'description' file is created */ if (acpi_has_method(dev->handle, "_STR")) { - status = acpi_evaluate_object(dev->handle, "_STR", - NULL, &buffer); + status = acpi_evaluate_object_typed(dev->handle, "_STR", + NULL, &buffer, + ACPI_TYPE_BUFFER); if (ACPI_FAILURE(status)) buffer.pointer = NULL; dev->pnp.str_obj = buffer.pointer; diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 472418a0e0..ddc5b3a3d9 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -773,6 +773,9 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, unsigned long tmp; int ret = 0; + if (t->rdata) + memset(t->rdata, 0, t->rlen); + /* start transaction */ spin_lock_irqsave(&ec->lock, tmp); /* Enable GPE for command processing (IBF=0/OBF=1) */ @@ -809,8 +812,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t) if (!ec || (!t) || (t->wlen && !t->wdata) || (t->rlen && !t->rdata)) return -EINVAL; - if (t->rdata) - memset(t->rdata, 0, t->rlen); mutex_lock(&ec->mutex); if (ec->global_lock) { @@ -837,7 +838,7 @@ static int acpi_ec_burst_enable(struct acpi_ec *ec) .wdata = NULL, .rdata = &d, .wlen = 0, .rlen = 1}; - return acpi_ec_transaction(ec, &t); + return acpi_ec_transaction_unlocked(ec, &t); } static int acpi_ec_burst_disable(struct acpi_ec *ec) @@ -847,7 +848,7 @@ static int acpi_ec_burst_disable(struct acpi_ec *ec) .wlen = 0, .rlen = 0}; return (acpi_ec_read_status(ec) & ACPI_EC_FLAG_BURST) ? - acpi_ec_transaction(ec, &t) : 0; + acpi_ec_transaction_unlocked(ec, &t) : 0; } static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 *data) @@ -863,6 +864,19 @@ static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 *data) return result; } +static int acpi_ec_read_unlocked(struct acpi_ec *ec, u8 address, u8 *data) +{ + int result; + u8 d; + struct transaction t = {.command = ACPI_EC_COMMAND_READ, + .wdata = &address, .rdata = &d, + .wlen = 1, .rlen = 1}; + + result = acpi_ec_transaction_unlocked(ec, &t); + *data = d; + return result; +} + static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data) { u8 wdata[2] = { address, data }; @@ -873,6 +887,16 @@ static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data) return acpi_ec_transaction(ec, &t); } +static int acpi_ec_write_unlocked(struct acpi_ec *ec, u8 address, u8 data) +{ + u8 wdata[2] = { address, data }; + struct transaction t = {.command = ACPI_EC_COMMAND_WRITE, + .wdata = wdata, .rdata = NULL, + .wlen = 2, .rlen = 0}; + + return acpi_ec_transaction_unlocked(ec, &t); +} + int ec_read(u8 addr, u8 *val) { int err; @@ -1293,6 +1317,7 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address, struct acpi_ec *ec = handler_context; int result = 0, i, bytes = bits / 8; u8 *value = (u8 *)value64; + u32 glk; if ((address > 0xFF) || !value || !handler_context) return AE_BAD_PARAMETER; @@ -1300,17 +1325,38 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address, if (function != ACPI_READ && function != ACPI_WRITE) return AE_BAD_PARAMETER; + mutex_lock(&ec->mutex); + + if (ec->global_lock) { + acpi_status status; + + status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk); + if (ACPI_FAILURE(status)) { + result = -ENODEV; + goto unlock; + } + } + if (ec->busy_polling || bits > 8) acpi_ec_burst_enable(ec); - for (i = 0; i < bytes; ++i, ++address, ++value) + for (i = 0; i < bytes; ++i, ++address, ++value) { result = (function == ACPI_READ) ? - acpi_ec_read(ec, address, value) : - acpi_ec_write(ec, address, *value); + acpi_ec_read_unlocked(ec, address, value) : + acpi_ec_write_unlocked(ec, address, *value); + if (result < 0) + break; + } if (ec->busy_polling || bits > 8) acpi_ec_burst_disable(ec); + if (ec->global_lock) + acpi_release_global_lock(glk); + +unlock: + mutex_unlock(&ec->mutex); + switch (result) { case -EINVAL: return AE_BAD_PARAMETER; @@ -1318,8 +1364,10 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address, return AE_NOT_FOUND; case -ETIME: return AE_TIME; - default: + case 0: return AE_OK; + default: + return AE_ERROR; } } diff --git a/drivers/acpi/pmic/tps68470_pmic.c b/drivers/acpi/pmic/tps68470_pmic.c index ebd03e4729..0d1a82eeb4 100644 --- a/drivers/acpi/pmic/tps68470_pmic.c +++ b/drivers/acpi/pmic/tps68470_pmic.c @@ -376,10 +376,8 @@ static int tps68470_pmic_opregion_probe(struct platform_device *pdev) struct tps68470_pmic_opregion *opregion; acpi_status status; - if (!dev || !tps68470_regmap) { - dev_warn(dev, "dev or regmap is NULL\n"); - return -EINVAL; - } + if (!tps68470_regmap) + return dev_err_probe(dev, -EINVAL, "regmap is missing\n"); if (!handle) { dev_warn(dev, "acpi handle is NULL\n"); diff --git a/drivers/acpi/prmt.c b/drivers/acpi/prmt.c index 09c0af8a46..890c74c52b 100644 --- a/drivers/acpi/prmt.c +++ b/drivers/acpi/prmt.c @@ -49,12 +49,11 @@ struct prm_context_buffer { }; #pragma pack() - static LIST_HEAD(prm_module_list); struct prm_handler_info { - guid_t guid; - u64 handler_addr; + efi_guid_t guid; + void *handler_addr; u64 static_data_buffer_addr; u64 acpi_param_buffer_addr; @@ -73,22 +72,24 @@ struct prm_module_info { struct prm_handler_info handlers[]; }; - -static u64 efi_pa_va_lookup(u64 pa) +static u64 efi_pa_va_lookup(efi_guid_t *guid, u64 pa) { efi_memory_desc_t *md; u64 pa_offset = pa & ~PAGE_MASK; u64 page = pa & PAGE_MASK; for_each_efi_memory_desc(md) { - if (md->phys_addr < pa && pa < md->phys_addr + PAGE_SIZE * md->num_pages) + if ((md->attribute & EFI_MEMORY_RUNTIME) && + (md->phys_addr < pa && pa < md->phys_addr + PAGE_SIZE * md->num_pages)) { return pa_offset + md->virt_addr + page - md->phys_addr; + } } + pr_warn("Failed to find VA for GUID: %pUL, PA: 0x%llx", guid, pa); + return 0; } - #define get_first_handler(a) ((struct acpi_prmt_handler_info *) ((char *) (a) + a->handler_info_offset)) #define get_next_handler(a) ((struct acpi_prmt_handler_info *) (sizeof(struct acpi_prmt_handler_info) + (char *) a)) @@ -139,9 +140,15 @@ acpi_parse_prmt(union acpi_subtable_headers *header, const unsigned long end) th = &tm->handlers[cur_handler]; guid_copy(&th->guid, (guid_t *)handler_info->handler_guid); - th->handler_addr = efi_pa_va_lookup(handler_info->handler_address); - th->static_data_buffer_addr = efi_pa_va_lookup(handler_info->static_data_buffer_address); - th->acpi_param_buffer_addr = efi_pa_va_lookup(handler_info->acpi_param_buffer_address); + th->handler_addr = + (void *)efi_pa_va_lookup(&th->guid, handler_info->handler_address); + + th->static_data_buffer_addr = + efi_pa_va_lookup(&th->guid, handler_info->static_data_buffer_address); + + th->acpi_param_buffer_addr = + efi_pa_va_lookup(&th->guid, handler_info->acpi_param_buffer_address); + } while (++cur_handler < tm->handler_count && (handler_info = get_next_handler(handler_info))); return 0; @@ -171,7 +178,6 @@ static void *find_guid_info(const guid_t *guid, u8 mode) return NULL; } - static struct prm_module_info *find_prm_module(const guid_t *guid) { return (struct prm_module_info *)find_guid_info(guid, GET_MODULE); @@ -236,6 +242,13 @@ static acpi_status acpi_platformrt_space_handler(u32 function, if (!handler || !module) goto invalid_guid; + if (!handler->handler_addr || + !handler->static_data_buffer_addr || + !handler->acpi_param_buffer_addr) { + buffer->prm_status = PRM_HANDLER_ERROR; + return AE_OK; + } + ACPI_COPY_NAMESEG(context.signature, "PRMC"); context.revision = 0x0; context.reserved = 0x0; diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 4cb44d80bf..5289c344de 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -16,7 +16,6 @@ #include #include #include /* need_resched() */ -#include #include #include #include @@ -385,28 +384,24 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, return; } -static int acpi_cst_latency_cmp(const void *a, const void *b) +static void acpi_cst_latency_sort(struct acpi_processor_cx *states, size_t length) { - const struct acpi_processor_cx *x = a, *y = b; + int i, j, k; - if (!(x->valid && y->valid)) - return 0; - if (x->latency > y->latency) - return 1; - if (x->latency < y->latency) - return -1; - return 0; -} -static void acpi_cst_latency_swap(void *a, void *b, int n) -{ - struct acpi_processor_cx *x = a, *y = b; - u32 tmp; + for (i = 1; i < length; i++) { + if (!states[i].valid) + continue; - if (!(x->valid && y->valid)) - return; - tmp = x->latency; - x->latency = y->latency; - y->latency = tmp; + for (j = i - 1, k = i; j >= 0; j--) { + if (!states[j].valid) + continue; + + if (states[j].latency > states[k].latency) + swap(states[j].latency, states[k].latency); + + k = j; + } + } } static int acpi_processor_power_verify(struct acpi_processor *pr) @@ -451,10 +446,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) if (buggy_latency) { pr_notice("FW issue: working around C-state latencies out of order\n"); - sort(&pr->power.states[1], max_cstate, - sizeof(struct acpi_processor_cx), - acpi_cst_latency_cmp, - acpi_cst_latency_swap); + acpi_cst_latency_sort(&pr->power.states[1], max_cstate); } lapic_timer_propagate_broadcast(pr); diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index da4b94c0d6..3c9f939815 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -442,6 +442,13 @@ static const struct dmi_system_id asus_laptop[] = { DMI_MATCH(DMI_BOARD_NAME, "B1502CBA"), }, }, + { + /* Asus Vivobook X1704VAP */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_BOARD_NAME, "X1704VAP"), + }, + }, { .ident = "Asus ExpertBook B2402CBA", .matches = { @@ -498,6 +505,13 @@ static const struct dmi_system_id tongfang_gm_rg[] = { DMI_MATCH(DMI_BOARD_NAME, "GMxRGxx"), }, }, + { + /* LG Electronics 16T90SP */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"), + DMI_MATCH(DMI_BOARD_NAME, "16T90SP"), + }, + }, { } }; @@ -509,12 +523,25 @@ static const struct dmi_system_id maingear_laptop[] = { DMI_MATCH(DMI_PRODUCT_NAME, "MG-VCP2-15A3070T"), } }, + { + /* Asus ExpertBook B2502CVA */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_BOARD_NAME, "B2502CVA"), + }, + }, { /* TongFang GMxXGxx/TUXEDO Polaris 15 Gen5 AMD */ .matches = { DMI_MATCH(DMI_BOARD_NAME, "GMxXGxx"), }, }, + { + /* TongFang GMxXGxX/TUXEDO Polaris 15 Gen5 AMD */ + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "GMxXGxX"), + }, + }, { /* TongFang GMxXGxx sold as Eluktronics Inc. RP-15 */ .matches = { diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index 4938010fca..11083d0333 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -77,7 +77,6 @@ struct acpi_battery { u16 spec; u8 id; u8 present:1; - u8 have_sysfs_alarm:1; }; #define to_acpi_battery(x) power_supply_get_drvdata(x) @@ -462,12 +461,18 @@ static ssize_t acpi_battery_alarm_store(struct device *dev, return count; } -static const struct device_attribute alarm_attr = { +static struct device_attribute alarm_attr = { .attr = {.name = "alarm", .mode = 0644}, .show = acpi_battery_alarm_show, .store = acpi_battery_alarm_store, }; +static struct attribute *acpi_battery_attrs[] = { + &alarm_attr.attr, + NULL +}; +ATTRIBUTE_GROUPS(acpi_battery); + /* -------------------------------------------------------------------------- Driver Interface -------------------------------------------------------------------------- */ @@ -509,7 +514,10 @@ static int acpi_battery_read(struct acpi_battery *battery) static int acpi_battery_add(struct acpi_sbs *sbs, int id) { struct acpi_battery *battery = &sbs->battery[id]; - struct power_supply_config psy_cfg = { .drv_data = battery, }; + struct power_supply_config psy_cfg = { + .drv_data = battery, + .attr_grp = acpi_battery_groups, + }; int result; battery->id = id; @@ -539,10 +547,6 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id) goto end; } - result = device_create_file(&battery->bat->dev, &alarm_attr); - if (result) - goto end; - battery->have_sysfs_alarm = 1; end: pr_info("%s [%s]: Battery Slot [%s] (battery %s)\n", ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), @@ -554,11 +558,8 @@ static void acpi_battery_remove(struct acpi_sbs *sbs, int id) { struct acpi_battery *battery = &sbs->battery[id]; - if (battery->bat) { - if (battery->have_sysfs_alarm) - device_remove_file(&battery->bat->dev, &alarm_attr); + if (battery->bat) power_supply_unregister(battery->bat); - } } static int acpi_charger_add(struct acpi_sbs *sbs) diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index a5cb9e1d48..338e1f4490 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -341,6 +341,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "82BK"), }, }, + { + .callback = video_detect_force_native, + /* Lenovo Slim 7 16ARH7 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "82UX"), + }, + }, { .callback = video_detect_force_native, /* Lenovo ThinkPad X131e (3371 AMD version) */ diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c index f1dd086d0b..aa4f233373 100644 --- a/drivers/acpi/x86/utils.c +++ b/drivers/acpi/x86/utils.c @@ -179,16 +179,16 @@ bool acpi_device_override_status(struct acpi_device *adev, unsigned long long *s } /* - * AMD systems from Renoir and Lucienne *require* that the NVME controller + * AMD systems from Renoir onwards *require* that the NVME controller * is put into D3 over a Modern Standby / suspend-to-idle cycle. * * This is "typically" accomplished using the `StorageD3Enable` * property in the _DSD that is checked via the `acpi_storage_d3` function - * but this property was introduced after many of these systems launched - * and most OEM systems don't have it in their BIOS. + * but some OEM systems still don't have it in their BIOS. * * The Microsoft documentation for StorageD3Enable mentioned that Windows has - * a hardcoded allowlist for D3 support, which was used for these platforms. + * a hardcoded allowlist for D3 support as well as a registry key to override + * the BIOS, which has been used for these cases. * * This allows quirking on Linux in a similar fashion. * @@ -201,16 +201,13 @@ bool acpi_device_override_status(struct acpi_device *adev, unsigned long long *s * https://bugzilla.kernel.org/show_bug.cgi?id=216773 * https://bugzilla.kernel.org/show_bug.cgi?id=217003 * 2) On at least one HP system StorageD3Enable is missing on the second NVME - disk in the system. + * disk in the system. + * 3) On at least one HP Rembrandt system StorageD3Enable is missing on the only + * NVME device. */ -static const struct x86_cpu_id storage_d3_cpu_ids[] = { - X86_MATCH_VENDOR_FAM_MODEL(AMD, 23, 96, NULL), /* Renoir */ - X86_MATCH_VENDOR_FAM_MODEL(AMD, 23, 104, NULL), /* Lucienne */ - X86_MATCH_VENDOR_FAM_MODEL(AMD, 25, 80, NULL), /* Cezanne */ - {} -}; - bool force_storage_d3(void) { - return x86_match_cpu(storage_d3_cpu_ids); + if (!cpu_feature_enabled(X86_FEATURE_ZEN)) + return false; + return acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0; } diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 3abd5619a9..869ab2e8e4 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -542,9 +542,7 @@ static bool binder_has_work(struct binder_thread *thread, bool do_proc_work) static bool binder_available_for_proc_work_ilocked(struct binder_thread *thread) { return !thread->transaction_stack && - binder_worklist_empty_ilocked(&thread->todo) && - (thread->looper & (BINDER_LOOPER_STATE_ENTERED | - BINDER_LOOPER_STATE_REGISTERED)); + binder_worklist_empty_ilocked(&thread->todo); } static void binder_wakeup_poll_threads_ilocked(struct binder_proc *proc, @@ -3175,6 +3173,7 @@ static void binder_transaction(struct binder_proc *proc, */ copy_size = object_offset - user_offset; if (copy_size && (user_offset > object_offset || + object_offset > tr->data_size || binder_alloc_copy_user_to_buffer( &target_proc->alloc, t->buffer, user_offset, diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 7807c7b9f3..ff5f83c5af 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1897,8 +1897,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map)); host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports); - if (!host) - return -ENOMEM; + if (!host) { + rc = -ENOMEM; + goto err_rm_sysfs_file; + } host->private_data = hpriv; if (ahci_init_msi(pdev, n_ports, hpriv) < 0) { @@ -1951,11 +1953,11 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) /* initialize adapter */ rc = ahci_configure_dma_masks(pdev, hpriv); if (rc) - return rc; + goto err_rm_sysfs_file; rc = ahci_pci_reset_controller(host); if (rc) - return rc; + goto err_rm_sysfs_file; ahci_pci_init_controller(host); ahci_pci_print_info(host); @@ -1964,10 +1966,15 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) rc = ahci_host_activate(host, &ahci_sht); if (rc) - return rc; + goto err_rm_sysfs_file; pm_runtime_put_noidle(&pdev->dev); return 0; + +err_rm_sysfs_file: + sysfs_remove_file_from_group(&pdev->dev.kobj, + &dev_attr_remapped_nvme.attr, NULL); + return rc; } static void ahci_shutdown_one(struct pci_dev *pdev) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 383398af83..3df057d381 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -5391,6 +5391,9 @@ static void ata_host_release(struct kref *kref) for (i = 0; i < host->n_ports; i++) { struct ata_port *ap = host->ports[i]; + if (!ap) + continue; + kfree(ap->pmp_link); kfree(ap->slave_link); kfree(ap); @@ -5445,12 +5448,16 @@ struct ata_host *ata_host_alloc(struct device *dev, int max_ports) if (!host) return NULL; - if (!devres_open_group(dev, NULL, GFP_KERNEL)) - goto err_free; + if (!devres_open_group(dev, NULL, GFP_KERNEL)) { + kfree(host); + return NULL; + } dr = devres_alloc(ata_devres_release, 0, GFP_KERNEL); - if (!dr) + if (!dr) { + kfree(host); goto err_out; + } devres_add(dev, dr); dev_set_drvdata(dev, host); @@ -5478,8 +5485,6 @@ struct ata_host *ata_host_alloc(struct device *dev, int max_ports) err_out: devres_release_group(dev, NULL); - err_free: - kfree(host); return NULL; } EXPORT_SYMBOL_GPL(ata_host_alloc); diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 9d0596dabf..66a43b16e4 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -874,7 +874,15 @@ static void ata_gen_passthru_sense(struct ata_queued_cmd *qc) } else { /* * ATA PASS-THROUGH INFORMATION AVAILABLE - * Always in descriptor format sense. + * + * Note: we are supposed to call ata_scsi_set_sense(), which + * respects the D_SENSE bit, instead of unconditionally + * generating the sense data in descriptor format. However, + * because hdparm, hddtemp, and udisks incorrectly assume sense + * data in descriptor format, without even looking at the + * RESPONSE CODE field in the returned sense data (to see which + * format the returned sense data is in), we are stuck with + * being bug compatible with older kernels. */ scsi_build_sense(cmd, 1, RECOVERED_ERROR, 0, 0x1D); } diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c index be0ca8d5b3..eacebfc2ca 100644 --- a/drivers/ata/pata_macio.c +++ b/drivers/ata/pata_macio.c @@ -540,7 +540,8 @@ static enum ata_completion_errors pata_macio_qc_prep(struct ata_queued_cmd *qc) while (sg_len) { /* table overflow should never happen */ - BUG_ON (pi++ >= MAX_DCMDS); + if (WARN_ON_ONCE(pi >= MAX_DCMDS)) + return AC_ERR_SYSTEM; len = (sg_len < MAX_DBDMA_SEG) ? sg_len : MAX_DBDMA_SEG; table->command = cpu_to_le16(write ? OUTPUT_MORE: INPUT_MORE); @@ -552,11 +553,13 @@ static enum ata_completion_errors pata_macio_qc_prep(struct ata_queued_cmd *qc) addr += len; sg_len -= len; ++table; + ++pi; } } /* Should never happen according to Tejun */ - BUG_ON(!pi); + if (WARN_ON_ONCE(!pi)) + return AC_ERR_SYSTEM; /* Convert the last command to an input/output */ table--; diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index 75321f1ceb..fc438c4518 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -128,7 +128,7 @@ static const struct pci_device_id sil_pci_tbl[] = { static const struct sil_drivelist { const char *product; unsigned int quirk; -} sil_blacklist [] = { +} sil_quirks[] = { { "ST320012AS", SIL_QUIRK_MOD15WRITE }, { "ST330013AS", SIL_QUIRK_MOD15WRITE }, { "ST340017AS", SIL_QUIRK_MOD15WRITE }, @@ -601,8 +601,8 @@ static void sil_thaw(struct ata_port *ap) * list, and apply the fixups to only the specific * devices/hosts/firmwares that need it. * - * 20040111 - Seagate drives affected by the Mod15Write bug are blacklisted - * The Maxtor quirk is in the blacklist, but I'm keeping the original + * 20040111 - Seagate drives affected by the Mod15Write bug are quirked + * The Maxtor quirk is in sil_quirks, but I'm keeping the original * pessimistic fix for the following reasons... * - There seems to be less info on it, only one device gleaned off the * Windows driver, maybe only one is affected. More info would be greatly @@ -621,9 +621,9 @@ static void sil_dev_config(struct ata_device *dev) ata_id_c_string(dev->id, model_num, ATA_ID_PROD, sizeof(model_num)); - for (n = 0; sil_blacklist[n].product; n++) - if (!strcmp(sil_blacklist[n].product, model_num)) { - quirks = sil_blacklist[n].quirk; + for (n = 0; sil_quirks[n].product; n++) + if (!strcmp(sil_quirks[n].product, model_num)) { + quirks = sil_quirks[n].quirk; break; } diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c index 2daf50d4cd..7810f974b2 100644 --- a/drivers/atm/idt77252.c +++ b/drivers/atm/idt77252.c @@ -1118,8 +1118,8 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) rpp->len += skb->len; if (stat & SAR_RSQE_EPDU) { + unsigned int len, truesize; unsigned char *l1l2; - unsigned int len; l1l2 = (unsigned char *) ((unsigned long) skb->data + skb->len - 6); @@ -1189,14 +1189,15 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) ATM_SKB(skb)->vcc = vcc; __net_timestamp(skb); + truesize = skb->truesize; vcc->push(vcc, skb); atomic_inc(&vcc->stats->rx); - if (skb->truesize > SAR_FB_SIZE_3) + if (truesize > SAR_FB_SIZE_3) add_rx_skb(card, 3, SAR_FB_SIZE_3, 1); - else if (skb->truesize > SAR_FB_SIZE_2) + else if (truesize > SAR_FB_SIZE_2) add_rx_skb(card, 2, SAR_FB_SIZE_2, 1); - else if (skb->truesize > SAR_FB_SIZE_1) + else if (truesize > SAR_FB_SIZE_1) add_rx_skb(card, 1, SAR_FB_SIZE_1, 1); else add_rx_skb(card, 0, SAR_FB_SIZE_0, 1); diff --git a/drivers/base/bus.c b/drivers/base/bus.c index d171535fc1..548291d15c 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -104,7 +104,8 @@ static ssize_t bus_attr_show(struct kobject *kobj, struct attribute *attr, { struct bus_attribute *bus_attr = to_bus_attr(attr); struct subsys_private *subsys_priv = to_subsys_private(kobj); - ssize_t ret = 0; + /* return -EIO for reading a bus attribute without show() */ + ssize_t ret = -EIO; if (bus_attr->show) ret = bus_attr->show(subsys_priv->bus, buf); @@ -116,7 +117,8 @@ static ssize_t bus_attr_store(struct kobject *kobj, struct attribute *attr, { struct bus_attribute *bus_attr = to_bus_attr(attr); struct subsys_private *subsys_priv = to_subsys_private(kobj); - ssize_t ret = 0; + /* return -EIO for writing a bus attribute without store() */ + ssize_t ret = -EIO; if (bus_attr->store) ret = bus_attr->store(subsys_priv->bus, buf, count); diff --git a/drivers/base/core.c b/drivers/base/core.c index ca56fd7450..d995d768c3 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -2404,8 +2404,11 @@ static ssize_t uevent_show(struct device *dev, struct device_attribute *attr, if (!env) return -ENOMEM; + /* Synchronize with really_probe() */ + device_lock(dev); /* let the kset specific function add its keys */ retval = kset->uevent_ops->uevent(kset, &dev->kobj, env); + device_unlock(dev); if (retval) goto out; diff --git a/drivers/base/devres.c b/drivers/base/devres.c index eaa9a5cd1d..d3f59028de 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -562,6 +562,7 @@ void * devres_open_group(struct device *dev, void *id, gfp_t gfp) grp->id = grp; if (id) grp->id = id; + grp->color = 0; spin_lock_irqsave(&dev->devres_lock, flags); add_dr(dev, &grp->node[0]); @@ -890,9 +891,12 @@ void *devm_krealloc(struct device *dev, void *ptr, size_t new_size, gfp_t gfp) /* * Otherwise: allocate new, larger chunk. We need to allocate before * taking the lock as most probably the caller uses GFP_KERNEL. + * alloc_dr() will call check_dr_size() to reserve extra memory + * for struct devres automatically, so size @new_size user request + * is delivered to it directly as devm_kmalloc() does. */ new_dr = alloc_dr(devm_kmalloc_release, - total_new_size, gfp, dev_to_node(dev)); + new_size, gfp, dev_to_node(dev)); if (!new_dr) return NULL; @@ -1216,7 +1220,11 @@ EXPORT_SYMBOL_GPL(__devm_alloc_percpu); */ void devm_free_percpu(struct device *dev, void __percpu *pdata) { - WARN_ON(devres_destroy(dev, devm_percpu_release, devm_percpu_match, + /* + * Use devres_release() to prevent memory leakage as + * devm_free_pages() does. + */ + WARN_ON(devres_release(dev, devm_percpu_release, devm_percpu_match, (__force void *)pdata)); } EXPORT_SYMBOL_GPL(devm_free_percpu); diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index 04ede46f75..4da73f8cc7 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -788,6 +788,26 @@ static void fw_abort_batch_reqs(struct firmware *fw) mutex_unlock(&fw_lock); } +/* + * Reject firmware file names with ".." path components. + * There are drivers that construct firmware file names from device-supplied + * strings, and we don't want some device to be able to tell us "I would like to + * be sent my firmware from ../../../etc/shadow, please". + * + * Search for ".." surrounded by either '/' or start/end of string. + * + * This intentionally only looks at the firmware name, not at the firmware base + * directory or at symlink contents. + */ +static bool name_contains_dotdot(const char *name) +{ + size_t name_len = strlen(name); + + return strcmp(name, "..") == 0 || strncmp(name, "../", 3) == 0 || + strstr(name, "/../") != NULL || + (name_len >= 3 && strcmp(name+name_len-3, "/..") == 0); +} + /* called from request_firmware() and request_firmware_work_func() */ static int _request_firmware(const struct firmware **firmware_p, const char *name, @@ -808,6 +828,14 @@ _request_firmware(const struct firmware **firmware_p, const char *name, goto out; } + if (name_contains_dotdot(name)) { + dev_warn(device, + "Firmware load for '%s' refused, path contains '..' component\n", + name); + ret = -EINVAL; + goto out; + } + ret = _request_firmware_prepare(&fw, name, device, buf, size, offset, opt_flags); if (ret <= 0) /* error or already assigned */ @@ -878,6 +906,8 @@ _request_firmware(const struct firmware **firmware_p, const char *name, * @name will be used as $FIRMWARE in the uevent environment and * should be distinctive enough not to be confused with any other * firmware image for this or any other device. + * It must not contain any ".." path components - "foo/bar..bin" is + * allowed, but "foo/../bar.bin" is not. * * Caller must hold the reference count of @device. * diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index aaf6c297c6..fda0a5e50a 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -3053,7 +3053,7 @@ static int genpd_summary_one(struct seq_file *s, else snprintf(state, sizeof(state), "%s", status_lookup[genpd->status]); - seq_printf(s, "%-30s %-50s %u", genpd->name, state, genpd->performance_state); + seq_printf(s, "%-30s %-49s %u", genpd->name, state, genpd->performance_state); /* * Modifications on the list require holding locks on both diff --git a/drivers/base/property.c b/drivers/base/property.c index 21f4184db4..ff1be3e311 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -1050,6 +1050,51 @@ int fwnode_irq_get(const struct fwnode_handle *fwnode, unsigned int index) } EXPORT_SYMBOL(fwnode_irq_get); +/** + * fwnode_iomap - Maps the memory mapped IO for a given fwnode + * @fwnode: Pointer to the firmware node + * @index: Index of the IO range + * + * Returns a pointer to the mapped memory. + */ +void __iomem *fwnode_iomap(struct fwnode_handle *fwnode, int index) +{ + if (IS_ENABLED(CONFIG_OF_ADDRESS) && is_of_node(fwnode)) + return of_iomap(to_of_node(fwnode), index); + + return NULL; +} +EXPORT_SYMBOL(fwnode_iomap); + +/** + * fwnode_irq_get_byname - Get IRQ from a fwnode using its name + * @fwnode: Pointer to the firmware node + * @name: IRQ name + * + * Description: + * Find a match to the string @name in the 'interrupt-names' string array + * in _DSD for ACPI, or of_node for Device Tree. Then get the Linux IRQ + * number of the IRQ resource corresponding to the index of the matched + * string. + * + * Return: + * Linux IRQ number on success, or negative errno otherwise. + */ +int fwnode_irq_get_byname(const struct fwnode_handle *fwnode, const char *name) +{ + int index; + + if (!name) + return -EINVAL; + + index = fwnode_property_match_string(fwnode, "interrupt-names", name); + if (index < 0) + return index; + + return fwnode_irq_get(fwnode, index); +} +EXPORT_SYMBOL(fwnode_irq_get_byname); + /** * fwnode_graph_get_next_endpoint - Get next endpoint firmware node * @fwnode: Pointer to the parent firmware node diff --git a/drivers/base/regmap/regmap-i2c.c b/drivers/base/regmap/regmap-i2c.c index 3ec611dc0c..a905e955bb 100644 --- a/drivers/base/regmap/regmap-i2c.c +++ b/drivers/base/regmap/regmap-i2c.c @@ -350,7 +350,8 @@ static const struct regmap_bus *regmap_get_i2c_bus(struct i2c_client *i2c, if (quirks->max_write_len && (bus->max_raw_write == 0 || bus->max_raw_write > quirks->max_write_len)) - max_write = quirks->max_write_len; + max_write = quirks->max_write_len - + (config->reg_bits + config->pad_bits) / BITS_PER_BYTE; if (max_read || max_write) { ret_bus = kmemdup(bus, sizeof(*bus), GFP_KERNEL); diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index a6e5306f72..f5ded89de9 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -362,6 +362,7 @@ ata_rw_frameinit(struct frame *f) } ah->cmdstat = ATA_CMD_PIO_READ | writebit | extbit; + dev_hold(t->ifp->nd); skb->dev = t->ifp->nd; } @@ -402,6 +403,8 @@ aoecmd_ata_rw(struct aoedev *d) __skb_queue_head_init(&queue); __skb_queue_tail(&queue, skb); aoenet_xmit(&queue); + } else { + dev_put(f->t->ifp->nd); } return 1; } @@ -484,10 +487,13 @@ resend(struct aoedev *d, struct frame *f) memcpy(h->dst, t->addr, sizeof h->dst); memcpy(h->src, t->ifp->nd->dev_addr, sizeof h->src); + dev_hold(t->ifp->nd); skb->dev = t->ifp->nd; skb = skb_clone(skb, GFP_ATOMIC); - if (skb == NULL) + if (skb == NULL) { + dev_put(t->ifp->nd); return; + } f->sent = ktime_get(); __skb_queue_head_init(&queue); __skb_queue_tail(&queue, skb); @@ -618,6 +624,8 @@ probe(struct aoetgt *t) __skb_queue_head_init(&queue); __skb_queue_tail(&queue, skb); aoenet_xmit(&queue); + } else { + dev_put(f->t->ifp->nd); } } @@ -1396,6 +1404,7 @@ aoecmd_ata_id(struct aoedev *d) ah->cmdstat = ATA_CMD_ID_ATA; ah->lba3 = 0xa0; + dev_hold(t->ifp->nd); skb->dev = t->ifp->nd; d->rttavg = RTTAVG_INIT; @@ -1405,6 +1414,8 @@ aoecmd_ata_id(struct aoedev *d) skb = skb_clone(skb, GFP_ATOMIC); if (skb) f->sent = ktime_get(); + else + dev_put(t->ifp->nd); return skb; } diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index eaf20a3324..13f9911bc0 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -3406,10 +3406,12 @@ void drbd_uuid_new_current(struct drbd_device *device) __must_hold(local) void drbd_uuid_set_bm(struct drbd_device *device, u64 val) __must_hold(local) { unsigned long flags; - if (device->ldev->md.uuid[UI_BITMAP] == 0 && val == 0) + spin_lock_irqsave(&device->ldev->md.uuid_lock, flags); + if (device->ldev->md.uuid[UI_BITMAP] == 0 && val == 0) { + spin_unlock_irqrestore(&device->ldev->md.uuid_lock, flags); return; + } - spin_lock_irqsave(&device->ldev->md.uuid_lock, flags); if (val == 0) { drbd_uuid_move_history(device); device->ldev->md.uuid[UI_HISTORY_START] = device->ldev->md.uuid[UI_BITMAP]; diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c index 4ee11aef66..fd65317c13 100644 --- a/drivers/block/drbd/drbd_state.c +++ b/drivers/block/drbd/drbd_state.c @@ -876,7 +876,7 @@ is_valid_state(struct drbd_device *device, union drbd_state ns) ns.disk == D_OUTDATED) rv = SS_CONNECTED_OUTDATES; - else if ((ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) && + else if (nc && (ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) && (nc->verify_alg[0] == 0)) rv = SS_NO_VERIFY_ALG; diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c index ec78d9ad3e..23c4a7b3d4 100644 --- a/drivers/block/null_blk/main.c +++ b/drivers/block/null_blk/main.c @@ -1749,8 +1749,8 @@ static int null_validate_conf(struct nullb_device *dev) return -EINVAL; } - dev->blocksize = round_down(dev->blocksize, 512); - dev->blocksize = clamp_t(unsigned int, dev->blocksize, 512, 4096); + if (blk_validate_block_size(dev->blocksize)) + return -EINVAL; if (dev->queue_mode == NULL_Q_MQ && dev->use_per_node_hctx) { if (dev->submit_queues != nr_online_nodes) diff --git a/drivers/block/null_blk/zoned.c b/drivers/block/null_blk/zoned.c index dae54dd1ae..174d93a841 100644 --- a/drivers/block/null_blk/zoned.c +++ b/drivers/block/null_blk/zoned.c @@ -80,6 +80,17 @@ int null_init_zoned_dev(struct nullb_device *dev, struct request_queue *q) return -EINVAL; } + /* + * If a smaller zone capacity was requested, do not allow a smaller last + * zone at the same time as such zone configuration does not correspond + * to any real zoned device. + */ + if (dev->zone_capacity != dev->zone_size && + dev->size & (dev->zone_size - 1)) { + pr_err("A smaller last zone is not allowed with zone capacity smaller than zone size.\n"); + return -EINVAL; + } + zone_capacity_sects = mb_to_sects(dev->zone_capacity); dev_capacity_sects = mb_to_sects(dev->size); dev->zone_size_sects = mb_to_sects(dev->zone_size); @@ -109,7 +120,7 @@ int null_init_zoned_dev(struct nullb_device *dev, struct request_queue *q) if (dev->zone_max_active && dev->zone_max_open > dev->zone_max_active) { dev->zone_max_open = dev->zone_max_active; pr_info("changed the maximum number of open zones to %u\n", - dev->nr_zones); + dev->zone_max_open); } else if (dev->zone_max_open >= dev->nr_zones - dev->zone_nr_conv) { dev->zone_max_open = 0; pr_info("zone_max_open limit disabled, limit >= zone count\n"); diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 3d6b12f27d..f617fc3a11 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -362,7 +362,7 @@ enum rbd_watch_state { enum rbd_lock_state { RBD_LOCK_STATE_UNLOCKED, RBD_LOCK_STATE_LOCKED, - RBD_LOCK_STATE_RELEASING, + RBD_LOCK_STATE_QUIESCING, }; /* WatchNotify::ClientId */ @@ -422,7 +422,7 @@ struct rbd_device { struct list_head running_list; struct completion acquire_wait; int acquire_err; - struct completion releasing_wait; + struct completion quiescing_wait; spinlock_t object_map_lock; u8 *object_map; @@ -525,7 +525,7 @@ static bool __rbd_is_lock_owner(struct rbd_device *rbd_dev) lockdep_assert_held(&rbd_dev->lock_rwsem); return rbd_dev->lock_state == RBD_LOCK_STATE_LOCKED || - rbd_dev->lock_state == RBD_LOCK_STATE_RELEASING; + rbd_dev->lock_state == RBD_LOCK_STATE_QUIESCING; } static bool rbd_is_lock_owner(struct rbd_device *rbd_dev) @@ -3459,13 +3459,14 @@ static void rbd_lock_del_request(struct rbd_img_request *img_req) lockdep_assert_held(&rbd_dev->lock_rwsem); spin_lock(&rbd_dev->lock_lists_lock); if (!list_empty(&img_req->lock_item)) { + rbd_assert(!list_empty(&rbd_dev->running_list)); list_del_init(&img_req->lock_item); - need_wakeup = (rbd_dev->lock_state == RBD_LOCK_STATE_RELEASING && + need_wakeup = (rbd_dev->lock_state == RBD_LOCK_STATE_QUIESCING && list_empty(&rbd_dev->running_list)); } spin_unlock(&rbd_dev->lock_lists_lock); if (need_wakeup) - complete(&rbd_dev->releasing_wait); + complete(&rbd_dev->quiescing_wait); } static int rbd_img_exclusive_lock(struct rbd_img_request *img_req) @@ -3478,11 +3479,6 @@ static int rbd_img_exclusive_lock(struct rbd_img_request *img_req) if (rbd_lock_add_request(img_req)) return 1; - if (rbd_dev->opts->exclusive) { - WARN_ON(1); /* lock got released? */ - return -EROFS; - } - /* * Note the use of mod_delayed_work() in rbd_acquire_lock() * and cancel_delayed_work() in wake_lock_waiters(). @@ -4183,16 +4179,16 @@ static bool rbd_quiesce_lock(struct rbd_device *rbd_dev) /* * Ensure that all in-flight IO is flushed. */ - rbd_dev->lock_state = RBD_LOCK_STATE_RELEASING; - rbd_assert(!completion_done(&rbd_dev->releasing_wait)); + rbd_dev->lock_state = RBD_LOCK_STATE_QUIESCING; + rbd_assert(!completion_done(&rbd_dev->quiescing_wait)); if (list_empty(&rbd_dev->running_list)) return true; up_write(&rbd_dev->lock_rwsem); - wait_for_completion(&rbd_dev->releasing_wait); + wait_for_completion(&rbd_dev->quiescing_wait); down_write(&rbd_dev->lock_rwsem); - if (rbd_dev->lock_state != RBD_LOCK_STATE_RELEASING) + if (rbd_dev->lock_state != RBD_LOCK_STATE_QUIESCING) return false; rbd_assert(list_empty(&rbd_dev->running_list)); @@ -4603,6 +4599,10 @@ static void rbd_reacquire_lock(struct rbd_device *rbd_dev) rbd_warn(rbd_dev, "failed to update lock cookie: %d", ret); + if (rbd_dev->opts->exclusive) + rbd_warn(rbd_dev, + "temporarily releasing lock on exclusive mapping"); + /* * Lock cookie cannot be updated on older OSDs, so do * a manual release and queue an acquire. @@ -5387,7 +5387,7 @@ static struct rbd_device *__rbd_dev_create(struct rbd_spec *spec) INIT_LIST_HEAD(&rbd_dev->acquiring_list); INIT_LIST_HEAD(&rbd_dev->running_list); init_completion(&rbd_dev->acquire_wait); - init_completion(&rbd_dev->releasing_wait); + init_completion(&rbd_dev->quiescing_wait); spin_lock_init(&rbd_dev->object_map_lock); @@ -6592,11 +6592,6 @@ static int rbd_add_acquire_lock(struct rbd_device *rbd_dev) if (ret) return ret; - /* - * The lock may have been released by now, unless automatic lock - * transitions are disabled. - */ - rbd_assert(!rbd_dev->opts->exclusive || rbd_is_lock_owner(rbd_dev)); return 0; } diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index 759d782893..56ada48104 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -3,7 +3,6 @@ * Copyright (c) 2008-2009 Atheros Communications Inc. */ - #include #include #include @@ -129,7 +128,6 @@ MODULE_DEVICE_TABLE(usb, ath3k_table); * for AR3012 */ static const struct usb_device_id ath3k_blist_tbl[] = { - /* Atheros AR3012 with sflash firmware*/ { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, @@ -203,7 +201,7 @@ static inline void ath3k_log_failed_loading(int err, int len, int size, #define TIMEGAP_USEC_MAX 100 static int ath3k_load_firmware(struct usb_device *udev, - const struct firmware *firmware) + const struct firmware *firmware) { u8 *send_buf; int len = 0; @@ -238,9 +236,9 @@ static int ath3k_load_firmware(struct usb_device *udev, memcpy(send_buf, firmware->data + sent, size); err = usb_bulk_msg(udev, pipe, send_buf, size, - &len, 3000); + &len, 3000); - if (err || (len != size)) { + if (err || len != size) { ath3k_log_failed_loading(err, len, size, count); goto error; } @@ -263,7 +261,7 @@ static int ath3k_get_state(struct usb_device *udev, unsigned char *state) } static int ath3k_get_version(struct usb_device *udev, - struct ath3k_version *version) + struct ath3k_version *version) { return usb_control_msg_recv(udev, 0, ATH3K_GETVERSION, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, @@ -272,7 +270,7 @@ static int ath3k_get_version(struct usb_device *udev, } static int ath3k_load_fwfile(struct usb_device *udev, - const struct firmware *firmware) + const struct firmware *firmware) { u8 *send_buf; int len = 0; @@ -311,8 +309,8 @@ static int ath3k_load_fwfile(struct usb_device *udev, memcpy(send_buf, firmware->data + sent, size); err = usb_bulk_msg(udev, pipe, send_buf, size, - &len, 3000); - if (err || (len != size)) { + &len, 3000); + if (err || len != size) { ath3k_log_failed_loading(err, len, size, count); kfree(send_buf); return err; @@ -426,7 +424,6 @@ static int ath3k_load_syscfg(struct usb_device *udev) } switch (fw_version.ref_clock) { - case ATH3K_XTAL_FREQ_26M: clk_value = 26; break; @@ -442,7 +439,7 @@ static int ath3k_load_syscfg(struct usb_device *udev) } snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s", - le32_to_cpu(fw_version.rom_version), clk_value, ".dfu"); + le32_to_cpu(fw_version.rom_version), clk_value, ".dfu"); ret = request_firmware(&firmware, filename, &udev->dev); if (ret < 0) { @@ -457,7 +454,7 @@ static int ath3k_load_syscfg(struct usb_device *udev) } static int ath3k_probe(struct usb_interface *intf, - const struct usb_device_id *id) + const struct usb_device_id *id) { const struct firmware *firmware; struct usb_device *udev = interface_to_usbdev(intf); @@ -506,10 +503,10 @@ static int ath3k_probe(struct usb_interface *intf, if (ret < 0) { if (ret == -ENOENT) BT_ERR("Firmware file \"%s\" not found", - ATH3K_FIRMWARE); + ATH3K_FIRMWARE); else BT_ERR("Firmware file \"%s\" request failed (err=%d)", - ATH3K_FIRMWARE, ret); + ATH3K_FIRMWARE, ret); return ret; } diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c index 68378b42ea..f71f32d4d4 100644 --- a/drivers/bluetooth/btmrvl_sdio.c +++ b/drivers/bluetooth/btmrvl_sdio.c @@ -105,7 +105,7 @@ static int btmrvl_sdio_probe_of(struct device *dev, } else { ret = devm_request_irq(dev, cfg->irq_bt, btmrvl_wake_irq_bt, - 0, "bt_wake", card); + IRQF_NO_AUTOEN, "bt_wake", card); if (ret) { dev_err(dev, "Failed to request irq_bt %d (%d)\n", @@ -114,7 +114,6 @@ static int btmrvl_sdio_probe_of(struct device *dev, /* Configure wakeup (enabled by default) */ device_init_wakeup(dev, true); - disable_irq(cfg->irq_bt); } } diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c index d4ae33a5f8..78244d53db 100644 --- a/drivers/bluetooth/btqca.c +++ b/drivers/bluetooth/btqca.c @@ -98,7 +98,8 @@ static int qca_read_fw_build_info(struct hci_dev *hdev) { struct sk_buff *skb; struct edl_event_hdr *edl; - char cmd, build_label[QCA_FW_BUILD_VER_LEN]; + char *build_label; + char cmd; int build_lbl_len, err = 0; bt_dev_dbg(hdev, "QCA read fw build info"); @@ -113,6 +114,11 @@ static int qca_read_fw_build_info(struct hci_dev *hdev) return err; } + if (skb->len < sizeof(*edl)) { + err = -EILSEQ; + goto out; + } + edl = (struct edl_event_hdr *)(skb->data); if (!edl) { bt_dev_err(hdev, "QCA read fw build info with no header"); @@ -128,14 +134,27 @@ static int qca_read_fw_build_info(struct hci_dev *hdev) goto out; } + if (skb->len < sizeof(*edl) + 1) { + err = -EILSEQ; + goto out; + } + build_lbl_len = edl->data[0]; - if (build_lbl_len <= QCA_FW_BUILD_VER_LEN - 1) { - memcpy(build_label, edl->data + 1, build_lbl_len); - *(build_label + build_lbl_len) = '\0'; + + if (skb->len < sizeof(*edl) + 1 + build_lbl_len) { + err = -EILSEQ; + goto out; + } + + build_label = kstrndup(&edl->data[1], build_lbl_len, GFP_KERNEL); + if (!build_label) { + err = -ENOMEM; + goto out; } hci_set_fw_info(hdev, "%s", build_label); + kfree(build_label); out: kfree_skb(skb); return err; @@ -160,6 +179,49 @@ static int qca_send_reset(struct hci_dev *hdev) return 0; } +static int qca_read_fw_board_id(struct hci_dev *hdev, u16 *bid) +{ + u8 cmd; + struct sk_buff *skb; + struct edl_event_hdr *edl; + int err = 0; + + cmd = EDL_GET_BID_REQ_CMD; + skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN, + &cmd, 0, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + err = PTR_ERR(skb); + bt_dev_err(hdev, "Reading QCA board ID failed (%d)", err); + return err; + } + + edl = skb_pull_data(skb, sizeof(*edl)); + if (!edl) { + bt_dev_err(hdev, "QCA read board ID with no header"); + err = -EILSEQ; + goto out; + } + + if (edl->cresp != EDL_CMD_REQ_RES_EVT || + edl->rtype != EDL_GET_BID_REQ_CMD) { + bt_dev_err(hdev, "QCA Wrong packet: %d %d", edl->cresp, edl->rtype); + err = -EIO; + goto out; + } + + if (skb->len < 3) { + err = -EILSEQ; + goto out; + } + + *bid = (edl->data[1] << 8) + edl->data[2]; + bt_dev_dbg(hdev, "%s: bid = %x", __func__, *bid); + +out: + kfree_skb(skb); + return err; +} + int qca_send_pre_shutdown_cmd(struct hci_dev *hdev) { struct sk_buff *skb; @@ -575,6 +637,23 @@ int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr) } EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome); +static void qca_generate_hsp_nvm_name(char *fwname, size_t max_size, + struct qca_btsoc_version ver, u8 rom_ver, u16 bid) +{ + const char *variant; + + /* hsp gf chip */ + if ((le32_to_cpu(ver.soc_id) & QCA_HSP_GF_SOC_MASK) == QCA_HSP_GF_SOC_ID) + variant = "g"; + else + variant = ""; + + if (bid == 0x0) + snprintf(fwname, max_size, "qca/hpnv%02x%s.bin", rom_ver, variant); + else + snprintf(fwname, max_size, "qca/hpnv%02x%s.%x", rom_ver, variant, bid); +} + int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, enum qca_btsoc_type soc_type, struct qca_btsoc_version ver, const char *firmware_name) @@ -583,6 +662,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, int err; u8 rom_ver = 0; u32 soc_ver; + u16 boardid = 0; bt_dev_dbg(hdev, "QCA setup on UART"); @@ -595,27 +675,45 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, /* Firmware files to download are based on ROM version. * ROM version is derived from last two bytes of soc_ver. */ - rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f); + if (soc_type == QCA_WCN3988) + rom_ver = ((soc_ver & 0x00000f00) >> 0x05) | (soc_ver & 0x0000000f); + else + rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f); /* Download rampatch file */ config.type = TLV_TYPE_PATCH; - if (qca_is_wcn399x(soc_type)) { + switch (soc_type) { + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: snprintf(config.fwname, sizeof(config.fwname), "qca/crbtfw%02x.tlv", rom_ver); - } else if (soc_type == QCA_QCA6390) { + break; + case QCA_WCN3988: + snprintf(config.fwname, sizeof(config.fwname), + "qca/apbtfw%02x.tlv", rom_ver); + break; + case QCA_QCA2066: + snprintf(config.fwname, sizeof(config.fwname), + "qca/hpbtfw%02x.tlv", rom_ver); + break; + case QCA_QCA6390: snprintf(config.fwname, sizeof(config.fwname), "qca/htbtfw%02x.tlv", rom_ver); - } else if (soc_type == QCA_WCN6750) { + break; + case QCA_WCN6750: /* Choose mbn file by default.If mbn file is not found * then choose tlv file */ config.type = ELF_TYPE_PATCH; snprintf(config.fwname, sizeof(config.fwname), "qca/msbtfw%02x.mbn", rom_ver); - } else if (soc_type == QCA_WCN6855) { + break; + case QCA_WCN6855: snprintf(config.fwname, sizeof(config.fwname), "qca/hpbtfw%02x.tlv", rom_ver); - } else { + break; + default: snprintf(config.fwname, sizeof(config.fwname), "qca/rampatch_%08x.bin", soc_ver); } @@ -629,32 +727,53 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, /* Give the controller some time to get ready to receive the NVM */ msleep(10); + if (soc_type == QCA_QCA2066) + qca_read_fw_board_id(hdev, &boardid); + /* Download NVM configuration */ config.type = TLV_TYPE_NVM; - if (firmware_name) + if (firmware_name) { snprintf(config.fwname, sizeof(config.fwname), "qca/%s", firmware_name); - else if (qca_is_wcn399x(soc_type)) { - if (ver.soc_id == QCA_WCN3991_SOC_ID) { + } else { + switch (soc_type) { + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + if (le32_to_cpu(ver.soc_id) == QCA_WCN3991_SOC_ID) { + snprintf(config.fwname, sizeof(config.fwname), + "qca/crnv%02xu.bin", rom_ver); + } else { + snprintf(config.fwname, sizeof(config.fwname), + "qca/crnv%02x.bin", rom_ver); + } + break; + case QCA_WCN3988: snprintf(config.fwname, sizeof(config.fwname), - "qca/crnv%02xu.bin", rom_ver); - } else { + "qca/apnv%02x.bin", rom_ver); + break; + case QCA_QCA2066: + qca_generate_hsp_nvm_name(config.fwname, + sizeof(config.fwname), ver, rom_ver, boardid); + break; + case QCA_QCA6390: + snprintf(config.fwname, sizeof(config.fwname), + "qca/htnv%02x.bin", rom_ver); + break; + case QCA_WCN6750: snprintf(config.fwname, sizeof(config.fwname), - "qca/crnv%02x.bin", rom_ver); + "qca/msnv%02x.bin", rom_ver); + break; + case QCA_WCN6855: + snprintf(config.fwname, sizeof(config.fwname), + "qca/hpnv%02x.bin", rom_ver); + break; + + default: + snprintf(config.fwname, sizeof(config.fwname), + "qca/nvm_%08x.bin", soc_ver); } } - else if (soc_type == QCA_QCA6390) - snprintf(config.fwname, sizeof(config.fwname), - "qca/htnv%02x.bin", rom_ver); - else if (soc_type == QCA_WCN6750) - snprintf(config.fwname, sizeof(config.fwname), - "qca/msnv%02x.bin", rom_ver); - else if (soc_type == QCA_WCN6855) - snprintf(config.fwname, sizeof(config.fwname), - "qca/hpnv%02x.bin", rom_ver); - else - snprintf(config.fwname, sizeof(config.fwname), - "qca/nvm_%08x.bin", soc_ver); err = qca_download_firmware(hdev, &config, soc_type, rom_ver); if (err < 0) { @@ -662,16 +781,25 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, return err; } - if (soc_type >= QCA_WCN3991) { + switch (soc_type) { + case QCA_WCN3991: + case QCA_QCA2066: + case QCA_QCA6390: + case QCA_WCN6750: + case QCA_WCN6855: err = qca_disable_soc_logging(hdev); if (err < 0) return err; + break; + default: + break; } /* WCN399x and WCN6750 supports the Microsoft vendor extension with 0xFD70 as the * VsMsftOpCode. */ switch (soc_type) { + case QCA_WCN3988: case QCA_WCN3990: case QCA_WCN3991: case QCA_WCN3998: diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h index b83bf202ea..6a6a286bc8 100644 --- a/drivers/bluetooth/btqca.h +++ b/drivers/bluetooth/btqca.h @@ -12,6 +12,7 @@ #define EDL_PATCH_VER_REQ_CMD (0x19) #define EDL_PATCH_TLV_REQ_CMD (0x1E) #define EDL_GET_BUILD_INFO_CMD (0x20) +#define EDL_GET_BID_REQ_CMD (0x23) #define EDL_NVM_ACCESS_SET_REQ_CMD (0x01) #define MAX_SIZE_PER_TLV_SEGMENT (243) #define QCA_PRE_SHUTDOWN_CMD (0xFC08) @@ -44,8 +45,8 @@ #define get_soc_ver(soc_id, rom_ver) \ ((le32_to_cpu(soc_id) << 16) | (le16_to_cpu(rom_ver))) -#define QCA_FW_BUILD_VER_LEN 255 - +#define QCA_HSP_GF_SOC_ID 0x1200 +#define QCA_HSP_GF_SOC_MASK 0x0000ff00 enum qca_baudrate { QCA_BAUDRATE_115200 = 0, @@ -140,9 +141,11 @@ enum qca_btsoc_type { QCA_INVALID = -1, QCA_AR3002, QCA_ROME, + QCA_WCN3988, QCA_WCN3990, QCA_WCN3998, QCA_WCN3991, + QCA_QCA2066, QCA_QCA6390, QCA_WCN6750, QCA_WCN6855, @@ -158,20 +161,6 @@ int qca_read_soc_version(struct hci_dev *hdev, struct qca_btsoc_version *ver, enum qca_btsoc_type); int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr); int qca_send_pre_shutdown_cmd(struct hci_dev *hdev); -static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type) -{ - return soc_type == QCA_WCN3990 || soc_type == QCA_WCN3991 || - soc_type == QCA_WCN3998; -} -static inline bool qca_is_wcn6750(enum qca_btsoc_type soc_type) -{ - return soc_type == QCA_WCN6750; -} -static inline bool qca_is_wcn6855(enum qca_btsoc_type soc_type) -{ - return soc_type == QCA_WCN6855; -} - #else static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr) @@ -199,21 +188,6 @@ static inline int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) return -EOPNOTSUPP; } -static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type) -{ - return false; -} - -static inline bool qca_is_wcn6750(enum qca_btsoc_type soc_type) -{ - return false; -} - -static inline bool qca_is_wcn6855(enum qca_btsoc_type soc_type) -{ - return false; -} - static inline int qca_send_pre_shutdown_cmd(struct hci_dev *hdev) { return -EOPNOTSUPP; diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 8c3db223d6..4a5b937f78 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -559,6 +559,10 @@ static const struct usb_device_id blacklist_table[] = { BTUSB_WIDEBAND_SPEECH }, { USB_DEVICE(0x0cb5, 0xc547), .driver_info = BTUSB_REALTEK | BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3591), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe125), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, /* Silicon Wave based devices */ { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE }, @@ -998,7 +1002,15 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) if (!urb) return -ENOMEM; - size = le16_to_cpu(data->intr_ep->wMaxPacketSize); + if (le16_to_cpu(data->udev->descriptor.idVendor) == 0x0a12 && + le16_to_cpu(data->udev->descriptor.idProduct) == 0x0001) + /* Fake CSR devices don't seem to support sort-transter */ + size = le16_to_cpu(data->intr_ep->wMaxPacketSize); + else + /* Use maximum HCI Event size so the USB stack handles + * ZPL/short-transfer automatically. + */ + size = HCI_MAX_EVENT_SIZE; buf = kmalloc(size, mem_flags); if (!buf) { diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 2d960a5e36..be51528afe 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -768,7 +768,8 @@ static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file *file, break; case HCIUARTGETPROTO: - if (test_bit(HCI_UART_PROTO_SET, &hu->flags)) + if (test_bit(HCI_UART_PROTO_SET, &hu->flags) && + test_bit(HCI_UART_PROTO_READY, &hu->flags)) err = hu->proto->id; else err = -EUNATCH; diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index fb71caa31d..4f87d4365d 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -606,9 +606,18 @@ static int qca_open(struct hci_uart *hu) if (hu->serdev) { qcadev = serdev_device_get_drvdata(hu->serdev); - if (qca_is_wcn399x(qcadev->btsoc_type) || - qca_is_wcn6750(qcadev->btsoc_type)) + switch (qcadev->btsoc_type) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + case QCA_WCN6750: hu->init_speed = qcadev->init_speed; + break; + + default: + break; + } if (qcadev->oper_speed) hu->oper_speed = qcadev->oper_speed; @@ -1314,12 +1323,19 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate) msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS)); /* Give the controller time to process the request */ - if (qca_is_wcn399x(qca_soc_type(hu)) || - qca_is_wcn6750(qca_soc_type(hu)) || - qca_is_wcn6855(qca_soc_type(hu))) + switch (qca_soc_type(hu)) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + case QCA_WCN6750: + case QCA_WCN6855: usleep_range(1000, 10000); - else + break; + + default: msleep(300); + } return 0; } @@ -1392,13 +1408,19 @@ static unsigned int qca_get_speed(struct hci_uart *hu, static int qca_check_speeds(struct hci_uart *hu) { - if (qca_is_wcn399x(qca_soc_type(hu)) || - qca_is_wcn6750(qca_soc_type(hu)) || - qca_is_wcn6855(qca_soc_type(hu))) { + switch (qca_soc_type(hu)) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + case QCA_WCN6750: + case QCA_WCN6855: if (!qca_get_speed(hu, QCA_INIT_SPEED) && !qca_get_speed(hu, QCA_OPER_SPEED)) return -EINVAL; - } else { + break; + + default: if (!qca_get_speed(hu, QCA_INIT_SPEED) || !qca_get_speed(hu, QCA_OPER_SPEED)) return -EINVAL; @@ -1427,14 +1449,28 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type) /* Disable flow control for wcn3990 to deassert RTS while * changing the baudrate of chip and host. */ - if (qca_is_wcn399x(soc_type) || - qca_is_wcn6750(soc_type) || - qca_is_wcn6855(soc_type)) + switch (soc_type) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + case QCA_WCN6750: + case QCA_WCN6855: hci_uart_set_flow_control(hu, true); + break; + + default: + break; + } - if (soc_type == QCA_WCN3990) { + switch (soc_type) { + case QCA_WCN3990: reinit_completion(&qca->drop_ev_comp); set_bit(QCA_DROP_VENDOR_EVENT, &qca->flags); + break; + + default: + break; } qca_baudrate = qca_get_baudrate_value(speed); @@ -1446,12 +1482,22 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type) host_set_baudrate(hu, speed); error: - if (qca_is_wcn399x(soc_type) || - qca_is_wcn6750(soc_type) || - qca_is_wcn6855(soc_type)) + switch (soc_type) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + case QCA_WCN6750: + case QCA_WCN6855: hci_uart_set_flow_control(hu, false); + break; + + default: + break; + } - if (soc_type == QCA_WCN3990) { + switch (soc_type) { + case QCA_WCN3990: /* Wait for the controller to send the vendor event * for the baudrate change command. */ @@ -1463,6 +1509,10 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type) } clear_bit(QCA_DROP_VENDOR_EVENT, &qca->flags); + break; + + default: + break; } } @@ -1627,12 +1677,20 @@ static int qca_regulator_init(struct hci_uart *hu) } } - if (qca_is_wcn399x(soc_type)) { + switch (soc_type) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: /* Forcefully enable wcn399x to enter in to boot mode. */ host_set_baudrate(hu, 2400); ret = qca_send_power_pulse(hu, false); if (ret) return ret; + break; + + default: + break; } /* For wcn6750 need to enable gpio bt_en */ @@ -1649,10 +1707,18 @@ static int qca_regulator_init(struct hci_uart *hu) qca_set_speed(hu, QCA_INIT_SPEED); - if (qca_is_wcn399x(soc_type)) { + switch (soc_type) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: ret = qca_send_power_pulse(hu, true); if (ret) return ret; + break; + + default: + break; } /* Now the device is in ready state to communicate with host. @@ -1686,11 +1752,17 @@ static int qca_power_on(struct hci_dev *hdev) if (!hu->serdev) return 0; - if (qca_is_wcn399x(soc_type) || - qca_is_wcn6750(soc_type) || - qca_is_wcn6855(soc_type)) { + switch (soc_type) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + case QCA_WCN6750: + case QCA_WCN6855: ret = qca_regulator_init(hu); - } else { + break; + + default: qcadev = serdev_device_get_drvdata(hu->serdev); if (qcadev->bt_en) { gpiod_set_value_cansleep(qcadev->bt_en, 1); @@ -1713,6 +1785,7 @@ static int qca_setup(struct hci_uart *hu) const char *firmware_name = qca_get_firmware_name(hu); int ret; struct qca_btsoc_version ver; + const char *soc_name; ret = qca_check_speeds(hu); if (ret) @@ -1727,10 +1800,30 @@ static int qca_setup(struct hci_uart *hu) */ set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); - bt_dev_info(hdev, "setting up %s", - qca_is_wcn399x(soc_type) ? "wcn399x" : - (soc_type == QCA_WCN6750) ? "wcn6750" : - (soc_type == QCA_WCN6855) ? "wcn6855" : "ROME/QCA6390"); + switch (soc_type) { + case QCA_QCA2066: + soc_name = "qca2066"; + break; + + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + soc_name = "wcn399x"; + break; + + case QCA_WCN6750: + soc_name = "wcn6750"; + break; + + case QCA_WCN6855: + soc_name = "wcn6855"; + break; + + default: + soc_name = "ROME/QCA6390"; + } + bt_dev_info(hdev, "setting up %s", soc_name); qca->memdump_state = QCA_MEMDUMP_IDLE; @@ -1741,15 +1834,21 @@ static int qca_setup(struct hci_uart *hu) clear_bit(QCA_SSR_TRIGGERED, &qca->flags); - if (qca_is_wcn399x(soc_type) || - qca_is_wcn6750(soc_type) || - qca_is_wcn6855(soc_type)) { + switch (soc_type) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + case QCA_WCN6750: + case QCA_WCN6855: set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks); ret = qca_read_soc_version(hdev, &ver, soc_type); if (ret) goto out; - } else { + break; + + default: qca_set_speed(hu, QCA_INIT_SPEED); } @@ -1763,9 +1862,16 @@ static int qca_setup(struct hci_uart *hu) qca_baudrate = qca_get_baudrate_value(speed); } - if (!(qca_is_wcn399x(soc_type) || - qca_is_wcn6750(soc_type) || - qca_is_wcn6855(soc_type))) { + switch (soc_type) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + case QCA_WCN6750: + case QCA_WCN6855: + break; + + default: /* Get QCA version information */ ret = qca_read_soc_version(hdev, &ver, soc_type); if (ret) @@ -1834,7 +1940,18 @@ static const struct hci_uart_proto qca_proto = { .dequeue = qca_dequeue, }; -static const struct qca_device_data qca_soc_data_wcn3990 = { +static const struct qca_device_data qca_soc_data_wcn3988 __maybe_unused = { + .soc_type = QCA_WCN3988, + .vregs = (struct qca_vreg []) { + { "vddio", 15000 }, + { "vddxo", 80000 }, + { "vddrf", 300000 }, + { "vddch0", 450000 }, + }, + .num_vregs = 4, +}; + +static const struct qca_device_data qca_soc_data_wcn3990 __maybe_unused = { .soc_type = QCA_WCN3990, .vregs = (struct qca_vreg []) { { "vddio", 15000 }, @@ -1845,7 +1962,7 @@ static const struct qca_device_data qca_soc_data_wcn3990 = { .num_vregs = 4, }; -static const struct qca_device_data qca_soc_data_wcn3991 = { +static const struct qca_device_data qca_soc_data_wcn3991 __maybe_unused = { .soc_type = QCA_WCN3991, .vregs = (struct qca_vreg []) { { "vddio", 15000 }, @@ -1857,7 +1974,7 @@ static const struct qca_device_data qca_soc_data_wcn3991 = { .capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES, }; -static const struct qca_device_data qca_soc_data_wcn3998 = { +static const struct qca_device_data qca_soc_data_wcn3998 __maybe_unused = { .soc_type = QCA_WCN3998, .vregs = (struct qca_vreg []) { { "vddio", 10000 }, @@ -1868,13 +1985,18 @@ static const struct qca_device_data qca_soc_data_wcn3998 = { .num_vregs = 4, }; -static const struct qca_device_data qca_soc_data_qca6390 = { +static const struct qca_device_data qca_soc_data_qca2066 __maybe_unused = { + .soc_type = QCA_QCA2066, + .num_vregs = 0, +}; + +static const struct qca_device_data qca_soc_data_qca6390 __maybe_unused = { .soc_type = QCA_QCA6390, .num_vregs = 0, .capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES, }; -static const struct qca_device_data qca_soc_data_wcn6750 = { +static const struct qca_device_data qca_soc_data_wcn6750 __maybe_unused = { .soc_type = QCA_WCN6750, .vregs = (struct qca_vreg []) { { "vddio", 5000 }, @@ -1930,11 +2052,18 @@ static void qca_power_shutdown(struct hci_uart *hu) qcadev = serdev_device_get_drvdata(hu->serdev); - if (qca_is_wcn399x(soc_type)) { + switch (soc_type) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: host_set_baudrate(hu, 2400); qca_send_power_pulse(hu, false); qca_regulator_disable(qcadev); - } else if (soc_type == QCA_WCN6750 || soc_type == QCA_WCN6855) { + break; + + case QCA_WCN6750: + case QCA_WCN6855: gpiod_set_value_cansleep(qcadev->bt_en, 0); msleep(100); qca_regulator_disable(qcadev); @@ -1942,7 +2071,9 @@ static void qca_power_shutdown(struct hci_uart *hu) sw_ctrl_state = gpiod_get_value_cansleep(qcadev->sw_ctrl); bt_dev_dbg(hu->hdev, "SW_CTRL is %d", sw_ctrl_state); } - } else if (qcadev->bt_en) { + break; + + default: gpiod_set_value_cansleep(qcadev->bt_en, 0); } @@ -2067,11 +2198,18 @@ static int qca_serdev_probe(struct serdev_device *serdev) if (!qcadev->oper_speed) BT_DBG("UART will pick default operating speed"); - if (data && - (qca_is_wcn399x(data->soc_type) || - qca_is_wcn6750(data->soc_type) || - qca_is_wcn6855(data->soc_type))) { + if (data) qcadev->btsoc_type = data->soc_type; + else + qcadev->btsoc_type = QCA_ROME; + + switch (qcadev->btsoc_type) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + case QCA_WCN6750: + case QCA_WCN6855: qcadev->bt_power = devm_kzalloc(&serdev->dev, sizeof(struct qca_power), GFP_KERNEL); @@ -2115,12 +2253,9 @@ static int qca_serdev_probe(struct serdev_device *serdev) BT_ERR("wcn3990 serdev registration failed"); return err; } - } else { - if (data) - qcadev->btsoc_type = data->soc_type; - else - qcadev->btsoc_type = QCA_ROME; + break; + default: qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable", GPIOD_OUT_LOW); if (IS_ERR(qcadev->bt_en)) { @@ -2176,13 +2311,23 @@ static void qca_serdev_remove(struct serdev_device *serdev) struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev); struct qca_power *power = qcadev->bt_power; - if ((qca_is_wcn399x(qcadev->btsoc_type) || - qca_is_wcn6750(qcadev->btsoc_type) || - qca_is_wcn6855(qcadev->btsoc_type)) && - power->vregs_on) - qca_power_shutdown(&qcadev->serdev_hu); - else if (qcadev->susclk) - clk_disable_unprepare(qcadev->susclk); + switch (qcadev->btsoc_type) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + case QCA_WCN6750: + case QCA_WCN6855: + if (power->vregs_on) { + qca_power_shutdown(&qcadev->serdev_hu); + break; + } + fallthrough; + + default: + if (qcadev->susclk) + clk_disable_unprepare(qcadev->susclk); + } hci_uart_unregister_device(&qcadev->serdev_hu); } @@ -2195,15 +2340,27 @@ static void qca_serdev_shutdown(struct device *dev) struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev); struct hci_uart *hu = &qcadev->serdev_hu; struct hci_dev *hdev = hu->hdev; - struct qca_data *qca = hu->priv; const u8 ibs_wake_cmd[] = { 0xFD }; const u8 edl_reset_soc_cmd[] = { 0x01, 0x00, 0xFC, 0x01, 0x05 }; if (qcadev->btsoc_type == QCA_QCA6390) { - if (test_bit(QCA_BT_OFF, &qca->flags) || - !test_bit(HCI_RUNNING, &hdev->flags)) + /* The purpose of sending the VSC is to reset SOC into a initial + * state and the state will ensure next hdev->setup() success. + * if HCI_QUIRK_NON_PERSISTENT_SETUP is set, it means that + * hdev->setup() can do its job regardless of SoC state, so + * don't need to send the VSC. + * if HCI_SETUP is set, it means that hdev->setup() was never + * invoked and the SOC is already in the initial state, so + * don't also need to send the VSC. + */ + if (test_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks) || + hci_dev_test_flag(hdev, HCI_SETUP)) return; + /* The serdev must be in open state when conrol logic arrives + * here, so also fix the use-after-free issue caused by that + * the serdev is flushed or wrote after it is closed. + */ serdev_device_write_flush(serdev); ret = serdev_device_write_buf(serdev, ibs_wake_cmd, sizeof(ibs_wake_cmd)); @@ -2356,9 +2513,11 @@ static SIMPLE_DEV_PM_OPS(qca_pm_ops, qca_suspend, qca_resume); #ifdef CONFIG_OF static const struct of_device_id qca_bluetooth_of_match[] = { + { .compatible = "qcom,qca2066-bt", .data = &qca_soc_data_qca2066}, { .compatible = "qcom,qca6174-bt" }, { .compatible = "qcom,qca6390-bt", .data = &qca_soc_data_qca6390}, { .compatible = "qcom,qca9377-bt" }, + { .compatible = "qcom,wcn3988-bt", .data = &qca_soc_data_wcn3988}, { .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data_wcn3990}, { .compatible = "qcom,wcn3991-bt", .data = &qca_soc_data_wcn3991}, { .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998}, @@ -2371,6 +2530,7 @@ MODULE_DEVICE_TABLE(of, qca_bluetooth_of_match); #ifdef CONFIG_ACPI static const struct acpi_device_id qca_bluetooth_acpi_match[] = { + { "QCOM2066", (kernel_ulong_t)&qca_soc_data_qca2066 }, { "QCOM6390", (kernel_ulong_t)&qca_soc_data_qca6390 }, { "DLA16390", (kernel_ulong_t)&qca_soc_data_qca6390 }, { "DLB16390", (kernel_ulong_t)&qca_soc_data_qca6390 }, diff --git a/drivers/bus/arm-integrator-lm.c b/drivers/bus/arm-integrator-lm.c index 2344d560b1..ab5fad8aaa 100644 --- a/drivers/bus/arm-integrator-lm.c +++ b/drivers/bus/arm-integrator-lm.c @@ -85,6 +85,7 @@ static int integrator_ap_lm_probe(struct platform_device *pdev) return -ENODEV; } map = syscon_node_to_regmap(syscon); + of_node_put(syscon); if (IS_ERR(map)) { dev_err(dev, "could not find Integrator/AP system controller\n"); diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 4e5431f014..f992acc10c 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -304,8 +304,13 @@ hpet_read(struct file *file, char __user *buf, size_t count, loff_t * ppos) if (!devp->hd_ireqfreq) return -EIO; - if (count < sizeof(unsigned long)) - return -EINVAL; + if (in_compat_syscall()) { + if (count < sizeof(compat_ulong_t)) + return -EINVAL; + } else { + if (count < sizeof(unsigned long)) + return -EINVAL; + } add_wait_queue(&devp->hd_waitqueue, &wait); @@ -329,9 +334,16 @@ hpet_read(struct file *file, char __user *buf, size_t count, loff_t * ppos) schedule(); } - retval = put_user(data, (unsigned long __user *)buf); - if (!retval) - retval = sizeof(unsigned long); + if (in_compat_syscall()) { + retval = put_user(data, (compat_ulong_t __user *)buf); + if (!retval) + retval = sizeof(compat_ulong_t); + } else { + retval = put_user(data, (unsigned long __user *)buf); + if (!retval) + retval = sizeof(unsigned long); + } + out: __set_current_state(TASK_RUNNING); remove_wait_queue(&devp->hd_waitqueue, &wait); @@ -686,12 +698,24 @@ struct compat_hpet_info { unsigned short hi_timer; }; +/* 32-bit types would lead to different command codes which should be + * translated into 64-bit ones before passed to hpet_ioctl_common + */ +#define COMPAT_HPET_INFO _IOR('h', 0x03, struct compat_hpet_info) +#define COMPAT_HPET_IRQFREQ _IOW('h', 0x6, compat_ulong_t) + static long hpet_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct hpet_info info; int err; + if (cmd == COMPAT_HPET_INFO) + cmd = HPET_INFO; + + if (cmd == COMPAT_HPET_IRQFREQ) + cmd = HPET_IRQFREQ; + mutex_lock(&hpet_mutex); err = hpet_ioctl_common(file->private_data, cmd, arg, &info); mutex_unlock(&hpet_mutex); diff --git a/drivers/char/hw_random/amd-rng.c b/drivers/char/hw_random/amd-rng.c index 0555e3838b..5229da1143 100644 --- a/drivers/char/hw_random/amd-rng.c +++ b/drivers/char/hw_random/amd-rng.c @@ -142,8 +142,10 @@ static int __init amd_rng_mod_init(void) found: err = pci_read_config_dword(pdev, 0x58, &pmbase); - if (err) + if (err) { + err = pcibios_err_to_errno(err); goto put_dev; + } pmbase &= 0x0000FF00; if (pmbase == 0) { diff --git a/drivers/char/hw_random/bcm2835-rng.c b/drivers/char/hw_random/bcm2835-rng.c index e7dd457e9b..34027f7bcd 100644 --- a/drivers/char/hw_random/bcm2835-rng.c +++ b/drivers/char/hw_random/bcm2835-rng.c @@ -95,8 +95,10 @@ static int bcm2835_rng_init(struct hwrng *rng) return ret; ret = reset_control_reset(priv->reset); - if (ret) + if (ret) { + clk_disable_unprepare(priv->clk); return ret; + } if (priv->mask_interrupts) { /* mask the interrupt */ diff --git a/drivers/char/hw_random/cctrng.c b/drivers/char/hw_random/cctrng.c index 302ffa354c..2ab38a9277 100644 --- a/drivers/char/hw_random/cctrng.c +++ b/drivers/char/hw_random/cctrng.c @@ -665,6 +665,7 @@ static int __maybe_unused cctrng_resume(struct device *dev) /* wait for Cryptocell reset completion */ if (!cctrng_wait_for_reset_completion(drvdata)) { dev_err(dev, "Cryptocell reset not completed"); + clk_disable_unprepare(drvdata->clk); return -EBUSY; } diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c index 6c00ea0085..3e00506543 100644 --- a/drivers/char/hw_random/mtk-rng.c +++ b/drivers/char/hw_random/mtk-rng.c @@ -142,7 +142,7 @@ static int mtk_rng_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, priv); pm_runtime_set_autosuspend_delay(&pdev->dev, RNG_AUTOSUSPEND_TIMEOUT); pm_runtime_use_autosuspend(&pdev->dev); - pm_runtime_enable(&pdev->dev); + devm_pm_runtime_enable(&pdev->dev); dev_info(&pdev->dev, "registered RNG driver\n"); diff --git a/drivers/char/tpm/eventlog/common.c b/drivers/char/tpm/eventlog/common.c index 8512ec76d5..4a6186f9f8 100644 --- a/drivers/char/tpm/eventlog/common.c +++ b/drivers/char/tpm/eventlog/common.c @@ -47,6 +47,8 @@ static int tpm_bios_measurements_open(struct inode *inode, if (!err) { seq = file->private_data; seq->private = chip; + } else { + put_device(&chip->dev); } return err; diff --git a/drivers/char/tpm/tpm-dev-common.c b/drivers/char/tpm/tpm-dev-common.c index dc4c0a0a51..56e56a09cc 100644 --- a/drivers/char/tpm/tpm-dev-common.c +++ b/drivers/char/tpm/tpm-dev-common.c @@ -47,6 +47,8 @@ static ssize_t tpm_dev_transmit(struct tpm_chip *chip, struct tpm_space *space, if (!ret) ret = tpm2_commit_space(chip, space, buf, &len); + else + tpm2_flush_space(chip); out_rc: return ret ? ret : len; diff --git a/drivers/char/tpm/tpm2-space.c b/drivers/char/tpm/tpm2-space.c index ffb35f0154..c57404c6b9 100644 --- a/drivers/char/tpm/tpm2-space.c +++ b/drivers/char/tpm/tpm2-space.c @@ -166,6 +166,9 @@ void tpm2_flush_space(struct tpm_chip *chip) struct tpm_space *space = &chip->work_space; int i; + if (!space) + return; + for (i = 0; i < ARRAY_SIZE(space->context_tbl); i++) if (space->context_tbl[i] && ~space->context_tbl[i]) tpm2_flush_context(chip, space->context_tbl[i]); diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 77bc993d75..a5d38fdc25 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -2046,25 +2046,27 @@ static int virtcons_probe(struct virtio_device *vdev) multiport = true; } - err = init_vqs(portdev); - if (err < 0) { - dev_err(&vdev->dev, "Error %d initializing vqs\n", err); - goto free_chrdev; - } - spin_lock_init(&portdev->ports_lock); INIT_LIST_HEAD(&portdev->ports); INIT_LIST_HEAD(&portdev->list); - virtio_device_ready(portdev->vdev); - INIT_WORK(&portdev->config_work, &config_work_handler); INIT_WORK(&portdev->control_work, &control_work_handler); if (multiport) { spin_lock_init(&portdev->c_ivq_lock); spin_lock_init(&portdev->c_ovq_lock); + } + err = init_vqs(portdev); + if (err < 0) { + dev_err(&vdev->dev, "Error %d initializing vqs\n", err); + goto free_chrdev; + } + + virtio_device_ready(portdev->vdev); + + if (multiport) { err = fill_queue(portdev->c_ivq, &portdev->c_ivq_lock); if (err < 0) { dev_err(&vdev->dev, diff --git a/drivers/char/xillybus/xillyusb.c b/drivers/char/xillybus/xillyusb.c index 39bcbfd908..3a2a0fb3d9 100644 --- a/drivers/char/xillybus/xillyusb.c +++ b/drivers/char/xillybus/xillyusb.c @@ -50,6 +50,7 @@ MODULE_LICENSE("GPL v2"); static const char xillyname[] = "xillyusb"; static unsigned int fifo_buf_order; +static struct workqueue_struct *wakeup_wq; #define USB_VENDOR_ID_XILINX 0x03fd #define USB_VENDOR_ID_ALTERA 0x09fb @@ -561,10 +562,6 @@ static void cleanup_dev(struct kref *kref) * errors if executed. The mechanism relies on that xdev->error is assigned * a non-zero value by report_io_error() prior to queueing wakeup_all(), * which prevents bulk_in_work() from calling process_bulk_in(). - * - * The fact that wakeup_all() and bulk_in_work() are queued on the same - * workqueue makes their concurrent execution very unlikely, however the - * kernel's API doesn't seem to ensure this strictly. */ static void wakeup_all(struct work_struct *work) @@ -619,7 +616,7 @@ static void report_io_error(struct xillyusb_dev *xdev, if (do_once) { kref_get(&xdev->kref); /* xdev is used by work item */ - queue_work(xdev->workq, &xdev->wakeup_workitem); + queue_work(wakeup_wq, &xdev->wakeup_workitem); } } @@ -1892,6 +1889,13 @@ static const struct file_operations xillyusb_fops = { static int xillyusb_setup_base_eps(struct xillyusb_dev *xdev) { + struct usb_device *udev = xdev->udev; + + /* Verify that device has the two fundamental bulk in/out endpoints */ + if (usb_pipe_type_check(udev, usb_sndbulkpipe(udev, MSG_EP_NUM)) || + usb_pipe_type_check(udev, usb_rcvbulkpipe(udev, IN_EP_NUM))) + return -ENODEV; + xdev->msg_ep = endpoint_alloc(xdev, MSG_EP_NUM | USB_DIR_OUT, bulk_out_work, 1, 2); if (!xdev->msg_ep) @@ -1921,14 +1925,15 @@ static int setup_channels(struct xillyusb_dev *xdev, __le16 *chandesc, int num_channels) { - struct xillyusb_channel *chan; + struct usb_device *udev = xdev->udev; + struct xillyusb_channel *chan, *new_channels; int i; chan = kcalloc(num_channels, sizeof(*chan), GFP_KERNEL); if (!chan) return -ENOMEM; - xdev->channels = chan; + new_channels = chan; for (i = 0; i < num_channels; i++, chan++) { unsigned int in_desc = le16_to_cpu(*chandesc++); @@ -1957,6 +1962,15 @@ static int setup_channels(struct xillyusb_dev *xdev, */ if ((out_desc & 0x80) && i < 14) { /* Entry is valid */ + if (usb_pipe_type_check(udev, + usb_sndbulkpipe(udev, i + 2))) { + dev_err(xdev->dev, + "Missing BULK OUT endpoint %d\n", + i + 2); + kfree(new_channels); + return -ENODEV; + } + chan->writable = 1; chan->out_synchronous = !!(out_desc & 0x40); chan->out_seekable = !!(out_desc & 0x20); @@ -1966,6 +1980,7 @@ static int setup_channels(struct xillyusb_dev *xdev, } } + xdev->channels = new_channels; return 0; } @@ -2082,9 +2097,11 @@ static int xillyusb_discovery(struct usb_interface *interface) * just after responding with the IDT, there is no reason for any * work item to be running now. To be sure that xdev->channels * is updated on anything that might run in parallel, flush the - * workqueue, which rarely does anything. + * device's workqueue and the wakeup work item. This rarely + * does anything. */ flush_workqueue(xdev->workq); + flush_work(&xdev->wakeup_workitem); xdev->num_channels = num_channels; @@ -2242,6 +2259,10 @@ static int __init xillyusb_init(void) { int rc = 0; + wakeup_wq = alloc_workqueue(xillyname, 0, 0); + if (!wakeup_wq) + return -ENOMEM; + if (LOG2_INITIAL_FIFO_BUF_SIZE > PAGE_SHIFT) fifo_buf_order = LOG2_INITIAL_FIFO_BUF_SIZE - PAGE_SHIFT; else @@ -2249,12 +2270,17 @@ static int __init xillyusb_init(void) rc = usb_register(&xillyusb_driver); + if (rc) + destroy_workqueue(wakeup_wq); + return rc; } static void __exit xillyusb_exit(void) { usb_deregister(&xillyusb_driver); + + destroy_workqueue(wakeup_wq); } module_init(xillyusb_init); diff --git a/drivers/clk/bcm/clk-bcm53573-ilp.c b/drivers/clk/bcm/clk-bcm53573-ilp.c index 84f2af736e..83ef41d618 100644 --- a/drivers/clk/bcm/clk-bcm53573-ilp.c +++ b/drivers/clk/bcm/clk-bcm53573-ilp.c @@ -112,7 +112,7 @@ static void bcm53573_ilp_init(struct device_node *np) goto err_free_ilp; } - ilp->regmap = syscon_node_to_regmap(of_get_parent(np)); + ilp->regmap = syscon_node_to_regmap(np->parent); if (IS_ERR(ilp->regmap)) { err = PTR_ERR(ilp->regmap); goto err_free_ilp; diff --git a/drivers/clk/davinci/da8xx-cfgchip.c b/drivers/clk/davinci/da8xx-cfgchip.c index 77d18276bf..90d96ee4a5 100644 --- a/drivers/clk/davinci/da8xx-cfgchip.c +++ b/drivers/clk/davinci/da8xx-cfgchip.c @@ -505,7 +505,7 @@ da8xx_cfgchip_register_usb0_clk48(struct device *dev, const char * const parent_names[] = { "usb_refclkin", "pll0_auxclk" }; struct clk *fck_clk; struct da8xx_usb0_clk48 *usb0; - struct clk_init_data init; + struct clk_init_data init = {}; int ret; fck_clk = devm_clk_get(dev, "fck"); @@ -580,7 +580,7 @@ da8xx_cfgchip_register_usb1_clk48(struct device *dev, { const char * const parent_names[] = { "usb0_clk48", "usb_refclkin" }; struct da8xx_usb1_clk48 *usb1; - struct clk_init_data init; + struct clk_init_data init = {}; int ret; usb1 = devm_kzalloc(dev, sizeof(*usb1), GFP_KERNEL); diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c index 3f6fd7ef2a..0e68e5f2d7 100644 --- a/drivers/clk/imx/clk-imx7d.c +++ b/drivers/clk/imx/clk-imx7d.c @@ -498,9 +498,9 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node) hws[IMX7D_ENET_AXI_ROOT_SRC] = imx_clk_hw_mux2_flags("enet_axi_src", base + 0x8900, 24, 3, enet_axi_sel, ARRAY_SIZE(enet_axi_sel), CLK_SET_PARENT_GATE); hws[IMX7D_NAND_USDHC_BUS_ROOT_SRC] = imx_clk_hw_mux2_flags("nand_usdhc_src", base + 0x8980, 24, 3, nand_usdhc_bus_sel, ARRAY_SIZE(nand_usdhc_bus_sel), CLK_SET_PARENT_GATE); hws[IMX7D_DRAM_PHYM_ROOT_SRC] = imx_clk_hw_mux2_flags("dram_phym_src", base + 0x9800, 24, 1, dram_phym_sel, ARRAY_SIZE(dram_phym_sel), CLK_SET_PARENT_GATE); - hws[IMX7D_DRAM_ROOT_SRC] = imx_clk_hw_mux2_flags("dram_src", base + 0x9880, 24, 1, dram_sel, ARRAY_SIZE(dram_sel), CLK_SET_PARENT_GATE); + hws[IMX7D_DRAM_ROOT_SRC] = imx_clk_hw_mux2("dram_src", base + 0x9880, 24, 1, dram_sel, ARRAY_SIZE(dram_sel)); hws[IMX7D_DRAM_PHYM_ALT_ROOT_SRC] = imx_clk_hw_mux2_flags("dram_phym_alt_src", base + 0xa000, 24, 3, dram_phym_alt_sel, ARRAY_SIZE(dram_phym_alt_sel), CLK_SET_PARENT_GATE); - hws[IMX7D_DRAM_ALT_ROOT_SRC] = imx_clk_hw_mux2_flags("dram_alt_src", base + 0xa080, 24, 3, dram_alt_sel, ARRAY_SIZE(dram_alt_sel), CLK_SET_PARENT_GATE); + hws[IMX7D_DRAM_ALT_ROOT_SRC] = imx_clk_hw_mux2("dram_alt_src", base + 0xa080, 24, 3, dram_alt_sel, ARRAY_SIZE(dram_alt_sel)); hws[IMX7D_USB_HSIC_ROOT_SRC] = imx_clk_hw_mux2_flags("usb_hsic_src", base + 0xa100, 24, 3, usb_hsic_sel, ARRAY_SIZE(usb_hsic_sel), CLK_SET_PARENT_GATE); hws[IMX7D_PCIE_CTRL_ROOT_SRC] = imx_clk_hw_mux2_flags("pcie_ctrl_src", base + 0xa180, 24, 3, pcie_ctrl_sel, ARRAY_SIZE(pcie_ctrl_sel), CLK_SET_PARENT_GATE); hws[IMX7D_PCIE_PHY_ROOT_SRC] = imx_clk_hw_mux2_flags("pcie_phy_src", base + 0xa200, 24, 3, pcie_phy_sel, ARRAY_SIZE(pcie_phy_sel), CLK_SET_PARENT_GATE); diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c index cdeacdc143..8e980271b9 100644 --- a/drivers/clk/imx/clk-imx8mp.c +++ b/drivers/clk/imx/clk-imx8mp.c @@ -566,8 +566,8 @@ static int imx8mp_clocks_probe(struct platform_device *pdev) hws[IMX8MP_CLK_IPG_ROOT] = imx_clk_hw_divider2("ipg_root", "ahb_root", ccm_base + 0x9080, 0, 1); - hws[IMX8MP_CLK_DRAM_ALT] = imx8m_clk_hw_composite("dram_alt", imx8mp_dram_alt_sels, ccm_base + 0xa000); - hws[IMX8MP_CLK_DRAM_APB] = imx8m_clk_hw_composite_critical("dram_apb", imx8mp_dram_apb_sels, ccm_base + 0xa080); + hws[IMX8MP_CLK_DRAM_ALT] = imx8m_clk_hw_fw_managed_composite("dram_alt", imx8mp_dram_alt_sels, ccm_base + 0xa000); + hws[IMX8MP_CLK_DRAM_APB] = imx8m_clk_hw_fw_managed_composite_critical("dram_apb", imx8mp_dram_apb_sels, ccm_base + 0xa080); hws[IMX8MP_CLK_VPU_G1] = imx8m_clk_hw_composite("vpu_g1", imx8mp_vpu_g1_sels, ccm_base + 0xa100); hws[IMX8MP_CLK_VPU_G2] = imx8m_clk_hw_composite("vpu_g2", imx8mp_vpu_g2_sels, ccm_base + 0xa180); hws[IMX8MP_CLK_CAN1] = imx8m_clk_hw_composite("can1", imx8mp_can1_sels, ccm_base + 0xa200); diff --git a/drivers/clk/imx/clk-imx8qxp.c b/drivers/clk/imx/clk-imx8qxp.c index ef560b59df..6d41ae4ebf 100644 --- a/drivers/clk/imx/clk-imx8qxp.c +++ b/drivers/clk/imx/clk-imx8qxp.c @@ -166,8 +166,8 @@ static int imx8qxp_clk_probe(struct platform_device *pdev) imx_clk_scu("pwm_clk", IMX_SC_R_LCD_0_PWM_0, IMX_SC_PM_CLK_PER); imx_clk_scu("elcdif_pll", IMX_SC_R_ELCDIF_PLL, IMX_SC_PM_CLK_PLL); imx_clk_scu2("lcd_clk", lcd_sels, ARRAY_SIZE(lcd_sels), IMX_SC_R_LCD_0, IMX_SC_PM_CLK_PER); - imx_clk_scu2("lcd_pxl_clk", lcd_pxl_sels, ARRAY_SIZE(lcd_pxl_sels), IMX_SC_R_LCD_0, IMX_SC_PM_CLK_MISC0); imx_clk_scu("lcd_pxl_bypass_div_clk", IMX_SC_R_LCD_0, IMX_SC_PM_CLK_BYPASS); + imx_clk_scu2("lcd_pxl_clk", lcd_pxl_sels, ARRAY_SIZE(lcd_pxl_sels), IMX_SC_R_LCD_0, IMX_SC_PM_CLK_MISC0); /* Audio SS */ imx_clk_scu("audio_pll0_clk", IMX_SC_R_AUDIO_PLL_0, IMX_SC_PM_CLK_PLL); @@ -200,18 +200,18 @@ static int imx8qxp_clk_probe(struct platform_device *pdev) imx_clk_scu("usb3_lpm_div", IMX_SC_R_USB_2, IMX_SC_PM_CLK_MISC); /* Display controller SS */ - imx_clk_scu2("dc0_disp0_clk", dc0_sels, ARRAY_SIZE(dc0_sels), IMX_SC_R_DC_0, IMX_SC_PM_CLK_MISC0); - imx_clk_scu2("dc0_disp1_clk", dc0_sels, ARRAY_SIZE(dc0_sels), IMX_SC_R_DC_0, IMX_SC_PM_CLK_MISC1); imx_clk_scu("dc0_pll0_clk", IMX_SC_R_DC_0_PLL_0, IMX_SC_PM_CLK_PLL); imx_clk_scu("dc0_pll1_clk", IMX_SC_R_DC_0_PLL_1, IMX_SC_PM_CLK_PLL); imx_clk_scu("dc0_bypass0_clk", IMX_SC_R_DC_0_VIDEO0, IMX_SC_PM_CLK_BYPASS); + imx_clk_scu2("dc0_disp0_clk", dc0_sels, ARRAY_SIZE(dc0_sels), IMX_SC_R_DC_0, IMX_SC_PM_CLK_MISC0); + imx_clk_scu2("dc0_disp1_clk", dc0_sels, ARRAY_SIZE(dc0_sels), IMX_SC_R_DC_0, IMX_SC_PM_CLK_MISC1); imx_clk_scu("dc0_bypass1_clk", IMX_SC_R_DC_0_VIDEO1, IMX_SC_PM_CLK_BYPASS); - imx_clk_scu2("dc1_disp0_clk", dc1_sels, ARRAY_SIZE(dc1_sels), IMX_SC_R_DC_1, IMX_SC_PM_CLK_MISC0); - imx_clk_scu2("dc1_disp1_clk", dc1_sels, ARRAY_SIZE(dc1_sels), IMX_SC_R_DC_1, IMX_SC_PM_CLK_MISC1); imx_clk_scu("dc1_pll0_clk", IMX_SC_R_DC_1_PLL_0, IMX_SC_PM_CLK_PLL); imx_clk_scu("dc1_pll1_clk", IMX_SC_R_DC_1_PLL_1, IMX_SC_PM_CLK_PLL); imx_clk_scu("dc1_bypass0_clk", IMX_SC_R_DC_1_VIDEO0, IMX_SC_PM_CLK_BYPASS); + imx_clk_scu2("dc1_disp0_clk", dc1_sels, ARRAY_SIZE(dc1_sels), IMX_SC_R_DC_1, IMX_SC_PM_CLK_MISC0); + imx_clk_scu2("dc1_disp1_clk", dc1_sels, ARRAY_SIZE(dc1_sels), IMX_SC_R_DC_1, IMX_SC_PM_CLK_MISC1); imx_clk_scu("dc1_bypass1_clk", IMX_SC_R_DC_1_VIDEO1, IMX_SC_PM_CLK_BYPASS); /* MIPI-LVDS SS */ diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index 5e44ceb730..6426d93315 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -38,7 +38,7 @@ #define PLL_USER_CTL(p) ((p)->offset + (p)->regs[PLL_OFF_USER_CTL]) # define PLL_POST_DIV_SHIFT 8 -# define PLL_POST_DIV_MASK(p) GENMASK((p)->width, 0) +# define PLL_POST_DIV_MASK(p) GENMASK((p)->width - 1, 0) # define PLL_ALPHA_EN BIT(24) # define PLL_ALPHA_MODE BIT(25) # define PLL_VCO_SHIFT 20 @@ -1362,8 +1362,8 @@ clk_trion_pll_postdiv_set_rate(struct clk_hw *hw, unsigned long rate, } return regmap_update_bits(regmap, PLL_USER_CTL(pll), - PLL_POST_DIV_MASK(pll) << PLL_POST_DIV_SHIFT, - val << PLL_POST_DIV_SHIFT); + PLL_POST_DIV_MASK(pll) << pll->post_div_shift, + val << pll->post_div_shift); } const struct clk_ops clk_alpha_pll_postdiv_trion_ops = { diff --git a/drivers/clk/qcom/clk-branch.h b/drivers/clk/qcom/clk-branch.h index 17a5811916..55b3a2c3af 100644 --- a/drivers/clk/qcom/clk-branch.h +++ b/drivers/clk/qcom/clk-branch.h @@ -37,6 +37,32 @@ struct clk_branch { struct clk_regmap clkr; }; +/* Branch clock common bits for HLOS-owned clocks */ +#define CBCR_FORCE_MEM_CORE_ON BIT(14) +#define CBCR_FORCE_MEM_PERIPH_ON BIT(13) +#define CBCR_FORCE_MEM_PERIPH_OFF BIT(12) + +static inline void qcom_branch_set_force_mem_core(struct regmap *regmap, + struct clk_branch clk, bool on) +{ + regmap_update_bits(regmap, clk.halt_reg, CBCR_FORCE_MEM_CORE_ON, + on ? CBCR_FORCE_MEM_CORE_ON : 0); +} + +static inline void qcom_branch_set_force_periph_on(struct regmap *regmap, + struct clk_branch clk, bool on) +{ + regmap_update_bits(regmap, clk.halt_reg, CBCR_FORCE_MEM_PERIPH_ON, + on ? CBCR_FORCE_MEM_PERIPH_ON : 0); +} + +static inline void qcom_branch_set_force_periph_off(struct regmap *regmap, + struct clk_branch clk, bool on) +{ + regmap_update_bits(regmap, clk.halt_reg, CBCR_FORCE_MEM_PERIPH_OFF, + on ? CBCR_FORCE_MEM_PERIPH_OFF : 0); +} + extern const struct clk_ops clk_branch_ops; extern const struct clk_ops clk_branch2_ops; extern const struct clk_ops clk_branch_simple_ops; diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c index 441d7a20e6..7b19ef531c 100644 --- a/drivers/clk/qcom/clk-rpmh.c +++ b/drivers/clk/qcom/clk-rpmh.c @@ -270,6 +270,8 @@ static int clk_rpmh_bcm_send_cmd(struct clk_rpmh *c, bool enable) cmd_state = 0; } + cmd_state = min(cmd_state, BCM_TCS_CMD_VOTE_MASK); + if (c->last_sent_aggr_state != cmd_state) { cmd.addr = c->res_addr; cmd.data = BCM_TCS_CMD(1, enable, 0, cmd_state); diff --git a/drivers/clk/qcom/dispcc-sm8250.c b/drivers/clk/qcom/dispcc-sm8250.c index 73c5feea98..fc08c326d8 100644 --- a/drivers/clk/qcom/dispcc-sm8250.c +++ b/drivers/clk/qcom/dispcc-sm8250.c @@ -832,6 +832,7 @@ static struct clk_branch disp_cc_mdss_dp_link1_intf_clk = { &disp_cc_mdss_dp_link1_div_clk_src.clkr.hw, }, .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, @@ -867,6 +868,7 @@ static struct clk_branch disp_cc_mdss_dp_link_intf_clk = { &disp_cc_mdss_dp_link_div_clk_src.clkr.hw, }, .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, @@ -992,6 +994,7 @@ static struct clk_branch disp_cc_mdss_mdp_lut_clk = { &disp_cc_mdss_mdp_clk_src.clkr.hw, }, .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, diff --git a/drivers/clk/qcom/gcc-sc7280.c b/drivers/clk/qcom/gcc-sc7280.c index d10efbf260..76d5a9f49d 100644 --- a/drivers/clk/qcom/gcc-sc7280.c +++ b/drivers/clk/qcom/gcc-sc7280.c @@ -3573,6 +3573,9 @@ static int gcc_sc7280_probe(struct platform_device *pdev) regmap_update_bits(regmap, 0x71004, BIT(0), BIT(0)); regmap_update_bits(regmap, 0x7100C, BIT(13), BIT(13)); + /* FORCE_MEM_CORE_ON for ufs phy ice core clocks */ + qcom_branch_set_force_mem_core(regmap, gcc_ufs_phy_ice_core_clk, true); + ret = qcom_cc_register_rcg_dfs(regmap, gcc_dfs_clocks, ARRAY_SIZE(gcc_dfs_clocks)); if (ret) diff --git a/drivers/clk/qcom/gcc-sc8180x.c b/drivers/clk/qcom/gcc-sc8180x.c index c41b9f0105..ba004281f2 100644 --- a/drivers/clk/qcom/gcc-sc8180x.c +++ b/drivers/clk/qcom/gcc-sc8180x.c @@ -143,6 +143,23 @@ static struct clk_alpha_pll gpll7 = { }, }; +static struct clk_alpha_pll gpll9 = { + .offset = 0x1c000, + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_TRION], + .clkr = { + .enable_reg = 0x52000, + .enable_mask = BIT(9), + .hw.init = &(const struct clk_init_data) { + .name = "gpll9", + .parent_data = &(const struct clk_parent_data) { + .fw_name = "bi_tcxo", + }, + .num_parents = 1, + .ops = &clk_alpha_pll_fixed_trion_ops, + }, + }, +}; + static const struct parent_map gcc_parent_map_0[] = { { P_BI_TCXO, 0 }, { P_GPLL0_OUT_MAIN, 1 }, @@ -242,7 +259,7 @@ static const struct parent_map gcc_parent_map_7[] = { static const struct clk_parent_data gcc_parents_7[] = { { .fw_name = "bi_tcxo", }, { .hw = &gpll0.clkr.hw }, - { .name = "gppl9" }, + { .hw = &gpll9.clkr.hw }, { .hw = &gpll4.clkr.hw }, { .hw = &gpll0_out_even.clkr.hw }, }; @@ -261,28 +278,6 @@ static const struct clk_parent_data gcc_parents_8[] = { { .hw = &gpll0_out_even.clkr.hw }, }; -static const struct freq_tbl ftbl_gcc_cpuss_ahb_clk_src[] = { - F(19200000, P_BI_TCXO, 1, 0, 0), - F(50000000, P_GPLL0_OUT_MAIN, 12, 0, 0), - F(100000000, P_GPLL0_OUT_MAIN, 6, 0, 0), - { } -}; - -static struct clk_rcg2 gcc_cpuss_ahb_clk_src = { - .cmd_rcgr = 0x48014, - .mnd_width = 0, - .hid_width = 5, - .parent_map = gcc_parent_map_0, - .freq_tbl = ftbl_gcc_cpuss_ahb_clk_src, - .clkr.hw.init = &(struct clk_init_data){ - .name = "gcc_cpuss_ahb_clk_src", - .parent_data = gcc_parents_0, - .num_parents = ARRAY_SIZE(gcc_parents_0), - .flags = CLK_SET_RATE_PARENT, - .ops = &clk_rcg2_ops, - }, -}; - static const struct freq_tbl ftbl_gcc_emac_ptp_clk_src[] = { F(19200000, P_BI_TCXO, 1, 0, 0), F(50000000, P_GPLL0_OUT_EVEN, 6, 0, 0), @@ -917,7 +912,7 @@ static const struct freq_tbl ftbl_gcc_sdcc2_apps_clk_src[] = { F(25000000, P_GPLL0_OUT_MAIN, 12, 1, 2), F(50000000, P_GPLL0_OUT_MAIN, 12, 0, 0), F(100000000, P_GPLL0_OUT_MAIN, 6, 0, 0), - F(200000000, P_GPLL0_OUT_MAIN, 3, 0, 0), + F(202000000, P_GPLL9_OUT_MAIN, 4, 0, 0), { } }; @@ -940,9 +935,8 @@ static const struct freq_tbl ftbl_gcc_sdcc4_apps_clk_src[] = { F(400000, P_BI_TCXO, 12, 1, 4), F(9600000, P_BI_TCXO, 2, 0, 0), F(19200000, P_BI_TCXO, 1, 0, 0), - F(37500000, P_GPLL0_OUT_MAIN, 16, 0, 0), F(50000000, P_GPLL0_OUT_MAIN, 12, 0, 0), - F(75000000, P_GPLL0_OUT_MAIN, 8, 0, 0), + F(100000000, P_GPLL0_OUT_MAIN, 6, 0, 0), { } }; @@ -1600,25 +1594,6 @@ static struct clk_branch gcc_cfg_noc_usb3_sec_axi_clk = { }, }; -/* For CPUSS functionality the AHB clock needs to be left enabled */ -static struct clk_branch gcc_cpuss_ahb_clk = { - .halt_reg = 0x48000, - .halt_check = BRANCH_HALT_VOTED, - .clkr = { - .enable_reg = 0x52004, - .enable_mask = BIT(21), - .hw.init = &(struct clk_init_data){ - .name = "gcc_cpuss_ahb_clk", - .parent_hws = (const struct clk_hw *[]){ - &gcc_cpuss_ahb_clk_src.clkr.hw - }, - .num_parents = 1, - .flags = CLK_IS_CRITICAL | CLK_SET_RATE_PARENT, - .ops = &clk_branch2_ops, - }, - }, -}; - static struct clk_branch gcc_cpuss_rbcpr_clk = { .halt_reg = 0x48008, .halt_check = BRANCH_HALT, @@ -3151,25 +3126,6 @@ static struct clk_branch gcc_sdcc4_apps_clk = { }, }; -/* For CPUSS functionality the SYS NOC clock needs to be left enabled */ -static struct clk_branch gcc_sys_noc_cpuss_ahb_clk = { - .halt_reg = 0x4819c, - .halt_check = BRANCH_HALT_VOTED, - .clkr = { - .enable_reg = 0x52004, - .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ - .name = "gcc_sys_noc_cpuss_ahb_clk", - .parent_hws = (const struct clk_hw *[]){ - &gcc_cpuss_ahb_clk_src.clkr.hw - }, - .num_parents = 1, - .flags = CLK_IS_CRITICAL | CLK_SET_RATE_PARENT, - .ops = &clk_branch2_ops, - }, - }, -}; - static struct clk_branch gcc_tsif_ahb_clk = { .halt_reg = 0x36004, .halt_check = BRANCH_HALT, @@ -4259,8 +4215,6 @@ static struct clk_regmap *gcc_sc8180x_clocks[] = { [GCC_CFG_NOC_USB3_MP_AXI_CLK] = &gcc_cfg_noc_usb3_mp_axi_clk.clkr, [GCC_CFG_NOC_USB3_PRIM_AXI_CLK] = &gcc_cfg_noc_usb3_prim_axi_clk.clkr, [GCC_CFG_NOC_USB3_SEC_AXI_CLK] = &gcc_cfg_noc_usb3_sec_axi_clk.clkr, - [GCC_CPUSS_AHB_CLK] = &gcc_cpuss_ahb_clk.clkr, - [GCC_CPUSS_AHB_CLK_SRC] = &gcc_cpuss_ahb_clk_src.clkr, [GCC_CPUSS_RBCPR_CLK] = &gcc_cpuss_rbcpr_clk.clkr, [GCC_DDRSS_GPU_AXI_CLK] = &gcc_ddrss_gpu_axi_clk.clkr, [GCC_DISP_HF_AXI_CLK] = &gcc_disp_hf_axi_clk.clkr, @@ -4397,7 +4351,6 @@ static struct clk_regmap *gcc_sc8180x_clocks[] = { [GCC_SDCC4_AHB_CLK] = &gcc_sdcc4_ahb_clk.clkr, [GCC_SDCC4_APPS_CLK] = &gcc_sdcc4_apps_clk.clkr, [GCC_SDCC4_APPS_CLK_SRC] = &gcc_sdcc4_apps_clk_src.clkr, - [GCC_SYS_NOC_CPUSS_AHB_CLK] = &gcc_sys_noc_cpuss_ahb_clk.clkr, [GCC_TSIF_AHB_CLK] = &gcc_tsif_ahb_clk.clkr, [GCC_TSIF_INACTIVITY_TIMERS_CLK] = &gcc_tsif_inactivity_timers_clk.clkr, [GCC_TSIF_REF_CLK] = &gcc_tsif_ref_clk.clkr, @@ -4484,6 +4437,7 @@ static struct clk_regmap *gcc_sc8180x_clocks[] = { [GPLL1] = &gpll1.clkr, [GPLL4] = &gpll4.clkr, [GPLL7] = &gpll7.clkr, + [GPLL9] = &gpll9.clkr, }; static const struct qcom_reset_map gcc_sc8180x_resets[] = { diff --git a/drivers/clk/qcom/gcc-sm6350.c b/drivers/clk/qcom/gcc-sm6350.c index e32ad74992..84ae27184c 100644 --- a/drivers/clk/qcom/gcc-sm6350.c +++ b/drivers/clk/qcom/gcc-sm6350.c @@ -99,8 +99,8 @@ static struct clk_alpha_pll gpll6 = { .enable_mask = BIT(6), .hw.init = &(struct clk_init_data){ .name = "gpll6", - .parent_hws = (const struct clk_hw*[]){ - &gpll0.clkr.hw, + .parent_data = &(const struct clk_parent_data){ + .fw_name = "bi_tcxo", }, .num_parents = 1, .ops = &clk_alpha_pll_fixed_fabia_ops, @@ -123,7 +123,7 @@ static struct clk_alpha_pll_postdiv gpll6_out_even = { .clkr.hw.init = &(struct clk_init_data){ .name = "gpll6_out_even", .parent_hws = (const struct clk_hw*[]){ - &gpll0.clkr.hw, + &gpll6.clkr.hw, }, .num_parents = 1, .ops = &clk_alpha_pll_postdiv_fabia_ops, @@ -138,8 +138,8 @@ static struct clk_alpha_pll gpll7 = { .enable_mask = BIT(7), .hw.init = &(struct clk_init_data){ .name = "gpll7", - .parent_hws = (const struct clk_hw*[]){ - &gpll0.clkr.hw, + .parent_data = &(const struct clk_parent_data){ + .fw_name = "bi_tcxo", }, .num_parents = 1, .ops = &clk_alpha_pll_fixed_fabia_ops, diff --git a/drivers/clk/qcom/gcc-sm8250.c b/drivers/clk/qcom/gcc-sm8250.c index 30bd561461..3f78ed8b77 100644 --- a/drivers/clk/qcom/gcc-sm8250.c +++ b/drivers/clk/qcom/gcc-sm8250.c @@ -3228,7 +3228,7 @@ static struct gdsc pcie_0_gdsc = { .pd = { .name = "pcie_0_gdsc", }, - .pwrsts = PWRSTS_OFF_ON, + .pwrsts = PWRSTS_RET_ON, }; static struct gdsc pcie_1_gdsc = { @@ -3236,7 +3236,7 @@ static struct gdsc pcie_1_gdsc = { .pd = { .name = "pcie_1_gdsc", }, - .pwrsts = PWRSTS_OFF_ON, + .pwrsts = PWRSTS_RET_ON, }; static struct gdsc pcie_2_gdsc = { @@ -3244,7 +3244,7 @@ static struct gdsc pcie_2_gdsc = { .pd = { .name = "pcie_2_gdsc", }, - .pwrsts = PWRSTS_OFF_ON, + .pwrsts = PWRSTS_RET_ON, }; static struct gdsc ufs_card_gdsc = { diff --git a/drivers/clk/rockchip/clk-rk3228.c b/drivers/clk/rockchip/clk-rk3228.c index a24a35553e..7343d2d767 100644 --- a/drivers/clk/rockchip/clk-rk3228.c +++ b/drivers/clk/rockchip/clk-rk3228.c @@ -409,7 +409,7 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = { RK2928_CLKSEL_CON(29), 0, 3, DFLAGS), DIV(0, "sclk_vop_pre", "sclk_vop_src", 0, RK2928_CLKSEL_CON(27), 8, 8, DFLAGS), - MUX(DCLK_VOP, "dclk_vop", mux_dclk_vop_p, 0, + MUX(DCLK_VOP, "dclk_vop", mux_dclk_vop_p, CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, RK2928_CLKSEL_CON(27), 1, 1, MFLAGS), FACTOR(0, "xin12m", "xin24m", 0, 1, 2), diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c index bb8a844309..4a6d6307f1 100644 --- a/drivers/clk/rockchip/clk.c +++ b/drivers/clk/rockchip/clk.c @@ -434,12 +434,13 @@ void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx, struct rockchip_clk_branch *list, unsigned int nr_clk) { - struct clk *clk = NULL; + struct clk *clk; unsigned int idx; unsigned long flags; for (idx = 0; idx < nr_clk; idx++, list++) { flags = list->flags; + clk = NULL; /* catch simple muxes */ switch (list->branch_type) { diff --git a/drivers/clk/sifive/sifive-prci.c b/drivers/clk/sifive/sifive-prci.c index 80a288c59e..8b573ff646 100644 --- a/drivers/clk/sifive/sifive-prci.c +++ b/drivers/clk/sifive/sifive-prci.c @@ -4,7 +4,6 @@ * Copyright (C) 2020 Zong Li */ -#include #include #include #include @@ -541,13 +540,6 @@ static int __prci_register_clocks(struct device *dev, struct __prci_data *pd, return r; } - r = clk_hw_register_clkdev(&pic->hw, pic->name, dev_name(dev)); - if (r) { - dev_warn(dev, "Failed to register clkdev for %s: %d\n", - init.name, r); - return r; - } - pd->hw_clks.hws[i] = &pic->hw; } diff --git a/drivers/clk/ti/clk-dra7-atl.c b/drivers/clk/ti/clk-dra7-atl.c index 62508e74a4..fc266c0ab6 100644 --- a/drivers/clk/ti/clk-dra7-atl.c +++ b/drivers/clk/ti/clk-dra7-atl.c @@ -258,6 +258,7 @@ static int of_dra7_atl_clk_probe(struct platform_device *pdev) } clk = of_clk_get_from_provider(&clkspec); + of_node_put(clkspec.np); if (IS_ERR(clk)) { pr_err("%s: failed to get atl clock %d from provider\n", __func__, i); diff --git a/drivers/clocksource/arm_global_timer.c b/drivers/clocksource/arm_global_timer.c index e1c773bb55..22a58d35a4 100644 --- a/drivers/clocksource/arm_global_timer.c +++ b/drivers/clocksource/arm_global_timer.c @@ -290,18 +290,17 @@ static int gt_clk_rate_change_cb(struct notifier_block *nb, switch (event) { case PRE_RATE_CHANGE: { - int psv; + unsigned long psv; - psv = DIV_ROUND_CLOSEST(ndata->new_rate, - gt_target_rate); - - if (abs(gt_target_rate - (ndata->new_rate / psv)) > MAX_F_ERR) + psv = DIV_ROUND_CLOSEST(ndata->new_rate, gt_target_rate); + if (!psv || + abs(gt_target_rate - (ndata->new_rate / psv)) > MAX_F_ERR) return NOTIFY_BAD; psv--; /* prescaler within legal range? */ - if (psv < 0 || psv > GT_CONTROL_PRESCALER_MAX) + if (psv > GT_CONTROL_PRESCALER_MAX) return NOTIFY_BAD; /* diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c index d35548aa02..8e06767e0d 100644 --- a/drivers/clocksource/sh_cmt.c +++ b/drivers/clocksource/sh_cmt.c @@ -529,6 +529,7 @@ static void sh_cmt_set_next(struct sh_cmt_channel *ch, unsigned long delta) static irqreturn_t sh_cmt_interrupt(int irq, void *dev_id) { struct sh_cmt_channel *ch = dev_id; + unsigned long flags; /* clear flags */ sh_cmt_write_cmcsr(ch, sh_cmt_read_cmcsr(ch) & @@ -559,6 +560,8 @@ static irqreturn_t sh_cmt_interrupt(int irq, void *dev_id) ch->flags &= ~FLAG_SKIPEVENT; + raw_spin_lock_irqsave(&ch->lock, flags); + if (ch->flags & FLAG_REPROGRAM) { ch->flags &= ~FLAG_REPROGRAM; sh_cmt_clock_event_program_verify(ch, 1); @@ -571,6 +574,8 @@ static irqreturn_t sh_cmt_interrupt(int irq, void *dev_id) ch->flags &= ~FLAG_IRQCONTEXT; + raw_spin_unlock_irqrestore(&ch->lock, flags); + return IRQ_HANDLED; } @@ -781,12 +786,18 @@ static int sh_cmt_clock_event_next(unsigned long delta, struct clock_event_device *ced) { struct sh_cmt_channel *ch = ced_to_sh_cmt(ced); + unsigned long flags; BUG_ON(!clockevent_state_oneshot(ced)); + + raw_spin_lock_irqsave(&ch->lock, flags); + if (likely(ch->flags & FLAG_IRQCONTEXT)) ch->next_match_value = delta - 1; else - sh_cmt_set_next(ch, delta - 1); + __sh_cmt_set_next(ch, delta - 1); + + raw_spin_unlock_irqrestore(&ch->lock, flags); return 0; } diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c index 2cdc077a39..9f0aeda403 100644 --- a/drivers/clocksource/timer-imx-tpm.c +++ b/drivers/clocksource/timer-imx-tpm.c @@ -83,20 +83,28 @@ static u64 notrace tpm_read_sched_clock(void) static int tpm_set_next_event(unsigned long delta, struct clock_event_device *evt) { - unsigned long next, now; + unsigned long next, prev, now; - next = tpm_read_counter(); - next += delta; + prev = tpm_read_counter(); + next = prev + delta; writel(next, timer_base + TPM_C0V); now = tpm_read_counter(); + /* + * Need to wait CNT increase at least 1 cycle to make sure + * the C0V has been updated into HW. + */ + if ((next & 0xffffffff) != readl(timer_base + TPM_C0V)) + while (now == tpm_read_counter()) + ; + /* * NOTE: We observed in a very small probability, the bus fabric * contention between GPU and A7 may results a few cycles delay * of writing CNT registers which may cause the min_delta event got * missed, so we need add a ETIME check here in case it happened. */ - return (int)(next - now) <= 0 ? -ETIME : 0; + return (now - prev) >= delta ? -ETIME : 0; } static int tpm_set_state_oneshot(struct clock_event_device *evt) diff --git a/drivers/clocksource/timer-of.c b/drivers/clocksource/timer-of.c index c3f54d9912..420202bf76 100644 --- a/drivers/clocksource/timer-of.c +++ b/drivers/clocksource/timer-of.c @@ -25,10 +25,7 @@ static __init void timer_of_irq_exit(struct of_timer_irq *of_irq) struct clock_event_device *clkevt = &to->clkevt; - if (of_irq->percpu) - free_percpu_irq(of_irq->irq, clkevt); - else - free_irq(of_irq->irq, clkevt); + free_irq(of_irq->irq, clkevt); } /** @@ -42,9 +39,6 @@ static __init void timer_of_irq_exit(struct of_timer_irq *of_irq) * - Get interrupt number by name * - Get interrupt number by index * - * When the interrupt is per CPU, 'request_percpu_irq()' is called, - * otherwise 'request_irq()' is used. - * * Returns 0 on success, < 0 otherwise */ static __init int timer_of_irq_init(struct device_node *np, @@ -69,12 +63,9 @@ static __init int timer_of_irq_init(struct device_node *np, return -EINVAL; } - ret = of_irq->percpu ? - request_percpu_irq(of_irq->irq, of_irq->handler, - np->full_name, clkevt) : - request_irq(of_irq->irq, of_irq->handler, - of_irq->flags ? of_irq->flags : IRQF_TIMER, - np->full_name, clkevt); + ret = request_irq(of_irq->irq, of_irq->handler, + of_irq->flags ? of_irq->flags : IRQF_TIMER, + np->full_name, clkevt); if (ret) { pr_err("Failed to request irq %d for %pOF\n", of_irq->irq, np); return ret; diff --git a/drivers/clocksource/timer-of.h b/drivers/clocksource/timer-of.h index a5478f3e85..01a2c6b7db 100644 --- a/drivers/clocksource/timer-of.h +++ b/drivers/clocksource/timer-of.h @@ -11,7 +11,6 @@ struct of_timer_irq { int irq; int index; - int percpu; const char *name; unsigned long flags; irq_handler_t handler; diff --git a/drivers/clocksource/timer-qcom.c b/drivers/clocksource/timer-qcom.c index b4afe3a675..eac4c95c61 100644 --- a/drivers/clocksource/timer-qcom.c +++ b/drivers/clocksource/timer-qcom.c @@ -233,6 +233,7 @@ static int __init msm_dt_timer_init(struct device_node *np) } if (of_property_read_u32(np, "clock-frequency", &freq)) { + iounmap(cpu0_base); pr_err("Unknown frequency\n"); return -EINVAL; } @@ -243,7 +244,11 @@ static int __init msm_dt_timer_init(struct device_node *np) freq /= 4; writel_relaxed(DGT_CLK_CTL_DIV_4, source_base + DGT_CLK_CTL); - return msm_timer_init(freq, 32, irq, !!percpu_offset); + ret = msm_timer_init(freq, 32, irq, !!percpu_offset); + if (ret) + iounmap(cpu0_base); + + return ret; } TIMER_OF_DECLARE(kpss_timer, "qcom,kpss-timer", msm_dt_timer_init); TIMER_OF_DECLARE(scss_timer, "qcom,scss-timer", msm_dt_timer_init); diff --git a/drivers/comedi/drivers/ni_routing/tools/convert_c_to_py.c b/drivers/comedi/drivers/ni_routing/tools/convert_c_to_py.c index d55521b5bd..892a66b2ce 100644 --- a/drivers/comedi/drivers/ni_routing/tools/convert_c_to_py.c +++ b/drivers/comedi/drivers/ni_routing/tools/convert_c_to_py.c @@ -140,6 +140,11 @@ int main(void) { FILE *fp = fopen("ni_values.py", "w"); + if (fp == NULL) { + fprintf(stderr, "Could not open file!"); + return -1; + } + /* write route register values */ fprintf(fp, "ni_route_values = {\n"); for (int i = 0; ni_all_route_values[i]; ++i) diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index c24e6373d3..eb3f1952f9 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -61,9 +61,9 @@ static unsigned int scmi_cpufreq_fast_switch(struct cpufreq_policy *policy, unsigned int target_freq) { struct scmi_data *priv = policy->driver_data; + unsigned long freq = target_freq; - if (!perf_ops->freq_set(ph, priv->domain_id, - target_freq * 1000, true)) + if (!perf_ops->freq_set(ph, priv->domain_id, freq * 1000, true)) return target_freq; return 0; diff --git a/drivers/cpufreq/ti-cpufreq.c b/drivers/cpufreq/ti-cpufreq.c index 88bffa0bd0..c91d416fc5 100644 --- a/drivers/cpufreq/ti-cpufreq.c +++ b/drivers/cpufreq/ti-cpufreq.c @@ -53,6 +53,9 @@ struct ti_cpufreq_soc_data { unsigned long efuse_shift; unsigned long rev_offset; bool multi_regulator; +/* Backward compatibility hack: Might have missing syscon */ +#define TI_QUIRK_SYSCON_MAY_BE_MISSING 0x1 + u8 quirks; }; struct ti_cpufreq_data { @@ -156,6 +159,7 @@ static struct ti_cpufreq_soc_data omap34xx_soc_data = { .efuse_mask = BIT(3), .rev_offset = OMAP3_CONTROL_IDCODE - OMAP3_SYSCON_BASE, .multi_regulator = false, + .quirks = TI_QUIRK_SYSCON_MAY_BE_MISSING, }; /* @@ -183,6 +187,7 @@ static struct ti_cpufreq_soc_data omap36xx_soc_data = { .efuse_mask = BIT(9), .rev_offset = OMAP3_CONTROL_IDCODE - OMAP3_SYSCON_BASE, .multi_regulator = true, + .quirks = TI_QUIRK_SYSCON_MAY_BE_MISSING, }; /* @@ -197,6 +202,7 @@ static struct ti_cpufreq_soc_data am3517_soc_data = { .efuse_mask = 0, .rev_offset = OMAP3_CONTROL_IDCODE - OMAP3_SYSCON_BASE, .multi_regulator = false, + .quirks = TI_QUIRK_SYSCON_MAY_BE_MISSING, }; @@ -216,7 +222,7 @@ static int ti_cpufreq_get_efuse(struct ti_cpufreq_data *opp_data, ret = regmap_read(opp_data->syscon, opp_data->soc_data->efuse_offset, &efuse); - if (ret == -EIO) { + if (opp_data->soc_data->quirks & TI_QUIRK_SYSCON_MAY_BE_MISSING && ret == -EIO) { /* not a syscon register! */ void __iomem *regs = ioremap(OMAP3_SYSCON_BASE + opp_data->soc_data->efuse_offset, 4); @@ -257,7 +263,7 @@ static int ti_cpufreq_get_rev(struct ti_cpufreq_data *opp_data, ret = regmap_read(opp_data->syscon, opp_data->soc_data->rev_offset, &revision); - if (ret == -EIO) { + if (opp_data->soc_data->quirks & TI_QUIRK_SYSCON_MAY_BE_MISSING && ret == -EIO) { /* not a syscon register! */ void __iomem *regs = ioremap(OMAP3_SYSCON_BASE + opp_data->soc_data->rev_offset, 4); diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index 50120ed942..5687d89168 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -1141,6 +1141,8 @@ void sev_pci_init(void) return; err: + sev_dev_destroy(psp_master); + psp_master->sev_data = NULL; } diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c index 0d26eda36a..28c167e1be 100644 --- a/drivers/crypto/hisilicon/sec2/sec_crypto.c +++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c @@ -463,8 +463,10 @@ static void sec_alg_resource_free(struct sec_ctx *ctx, if (ctx->pbuf_supported) sec_free_pbuf_resource(dev, qp_ctx->res); - if (ctx->alg_type == SEC_AEAD) + if (ctx->alg_type == SEC_AEAD) { sec_free_mac_resource(dev, qp_ctx->res); + sec_free_aiv_resource(dev, qp_ctx->res); + } } static int sec_create_qp_ctx(struct hisi_qm *qm, struct sec_ctx *ctx, diff --git a/drivers/crypto/marvell/cesa/hash.c b/drivers/crypto/marvell/cesa/hash.c index c72b0672fc..84c1065092 100644 --- a/drivers/crypto/marvell/cesa/hash.c +++ b/drivers/crypto/marvell/cesa/hash.c @@ -947,7 +947,7 @@ struct ahash_alg mv_md5_alg = { .base = { .cra_name = "md5", .cra_driver_name = "mv-md5", - .cra_priority = 300, + .cra_priority = 0, .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_KERN_DRIVER_ONLY, @@ -1018,7 +1018,7 @@ struct ahash_alg mv_sha1_alg = { .base = { .cra_name = "sha1", .cra_driver_name = "mv-sha1", - .cra_priority = 300, + .cra_priority = 0, .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_KERN_DRIVER_ONLY, @@ -1092,7 +1092,7 @@ struct ahash_alg mv_sha256_alg = { .base = { .cra_name = "sha256", .cra_driver_name = "mv-sha256", - .cra_priority = 300, + .cra_priority = 0, .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_KERN_DRIVER_ONLY, @@ -1327,7 +1327,7 @@ struct ahash_alg mv_ahmac_md5_alg = { .base = { .cra_name = "hmac(md5)", .cra_driver_name = "mv-hmac-md5", - .cra_priority = 300, + .cra_priority = 0, .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_KERN_DRIVER_ONLY, @@ -1398,7 +1398,7 @@ struct ahash_alg mv_ahmac_sha1_alg = { .base = { .cra_name = "hmac(sha1)", .cra_driver_name = "mv-hmac-sha1", - .cra_priority = 300, + .cra_priority = 0, .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_KERN_DRIVER_ONLY, @@ -1469,7 +1469,7 @@ struct ahash_alg mv_ahmac_sha256_alg = { .base = { .cra_name = "hmac(sha256)", .cra_driver_name = "mv-hmac-sha256", - .cra_priority = 300, + .cra_priority = 0, .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY | CRYPTO_ALG_KERN_DRIVER_ONLY, diff --git a/drivers/dma-buf/heaps/cma_heap.c b/drivers/dma-buf/heaps/cma_heap.c index 83f02bd51d..00adde9b5b 100644 --- a/drivers/dma-buf/heaps/cma_heap.c +++ b/drivers/dma-buf/heaps/cma_heap.c @@ -165,7 +165,7 @@ static vm_fault_t cma_heap_vm_fault(struct vm_fault *vmf) struct vm_area_struct *vma = vmf->vma; struct cma_heap_buffer *buffer = vma->vm_private_data; - if (vmf->pgoff > buffer->pagecount) + if (vmf->pgoff >= buffer->pagecount) return VM_FAULT_SIGBUS; vmf->page = buffer->pages[vmf->pgoff]; diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c index 5161b73c30..e91aeec71c 100644 --- a/drivers/dma/dma-axi-dmac.c +++ b/drivers/dma/dma-axi-dmac.c @@ -1020,8 +1020,8 @@ static int axi_dmac_remove(struct platform_device *pdev) { struct axi_dmac *dmac = platform_get_drvdata(pdev); - of_dma_controller_free(pdev->dev.of_node); free_irq(dmac->irq, dmac); + of_dma_controller_free(pdev->dev.of_node); tasklet_kill(&dmac->chan.vchan.task); dma_async_device_unregister(&dmac->dma_dev); clk_disable_unprepare(dmac->clk); diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c index cfc47efcb5..6715ade391 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -213,6 +213,7 @@ static struct axi_dma_desc *axi_desc_alloc(u32 num) kfree(desc); return NULL; } + desc->nr_hw_descs = num; return desc; } @@ -239,7 +240,7 @@ static struct axi_dma_lli *axi_desc_get(struct axi_dma_chan *chan, static void axi_desc_put(struct axi_dma_desc *desc) { struct axi_dma_chan *chan = desc->chan; - int count = atomic_read(&chan->descs_allocated); + int count = desc->nr_hw_descs; struct axi_dma_hw_desc *hw_desc; int descs_put; @@ -1049,9 +1050,6 @@ static void axi_chan_block_xfer_complete(struct axi_dma_chan *chan) /* Remove the completed descriptor from issued list before completing */ list_del(&vd->node); vchan_cookie_complete(vd); - - /* Submit queued descriptors after processing the completed ones */ - axi_chan_start_first_queued(chan); } out: diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac.h b/drivers/dma/dw-axi-dmac/dw-axi-dmac.h index 380005afde..58fc6310ee 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac.h +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac.h @@ -101,6 +101,7 @@ struct axi_dma_desc { u32 completed_blocks; u32 length; u32 period_len; + u32 nr_hw_descs; }; static inline struct device *dchan2dev(struct dma_chan *dchan) diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index 7ab83fe601..0beafcee72 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include #include @@ -624,12 +625,10 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, struct dw_desc *prev; struct dw_desc *first; u32 ctllo, ctlhi; - u8 m_master = dwc->dws.m_master; - u8 lms = DWC_LLP_LMS(m_master); + u8 lms = DWC_LLP_LMS(dwc->dws.m_master); dma_addr_t reg; unsigned int reg_width; unsigned int mem_width; - unsigned int data_width = dw->pdata->data_width[m_master]; unsigned int i; struct scatterlist *sg; size_t total_len = 0; @@ -663,7 +662,7 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, mem = sg_dma_address(sg); len = sg_dma_len(sg); - mem_width = __ffs(data_width | mem | len); + mem_width = __ffs(sconfig->src_addr_width | mem | len); slave_sg_todev_fill_desc: desc = dwc_desc_get(dwc); @@ -723,7 +722,7 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, lli_write(desc, sar, reg); lli_write(desc, dar, mem); lli_write(desc, ctlhi, ctlhi); - mem_width = __ffs(data_width | mem); + mem_width = __ffs(sconfig->dst_addr_width | mem); lli_write(desc, ctllo, ctllo | DWC_CTLL_DST_WIDTH(mem_width)); desc->len = dlen; @@ -783,17 +782,93 @@ bool dw_dma_filter(struct dma_chan *chan, void *param) } EXPORT_SYMBOL_GPL(dw_dma_filter); +static int dwc_verify_p_buswidth(struct dma_chan *chan) +{ + struct dw_dma_chan *dwc = to_dw_dma_chan(chan); + struct dw_dma *dw = to_dw_dma(chan->device); + u32 reg_width, max_width; + + if (dwc->dma_sconfig.direction == DMA_MEM_TO_DEV) + reg_width = dwc->dma_sconfig.dst_addr_width; + else if (dwc->dma_sconfig.direction == DMA_DEV_TO_MEM) + reg_width = dwc->dma_sconfig.src_addr_width; + else /* DMA_MEM_TO_MEM */ + return 0; + + max_width = dw->pdata->data_width[dwc->dws.p_master]; + + /* Fall-back to 1-byte transfer width if undefined */ + if (reg_width == DMA_SLAVE_BUSWIDTH_UNDEFINED) + reg_width = DMA_SLAVE_BUSWIDTH_1_BYTE; + else if (!is_power_of_2(reg_width) || reg_width > max_width) + return -EINVAL; + else /* bus width is valid */ + return 0; + + /* Update undefined addr width value */ + if (dwc->dma_sconfig.direction == DMA_MEM_TO_DEV) + dwc->dma_sconfig.dst_addr_width = reg_width; + else /* DMA_DEV_TO_MEM */ + dwc->dma_sconfig.src_addr_width = reg_width; + + return 0; +} + +static int dwc_verify_m_buswidth(struct dma_chan *chan) +{ + struct dw_dma_chan *dwc = to_dw_dma_chan(chan); + struct dw_dma *dw = to_dw_dma(chan->device); + u32 reg_width, reg_burst, mem_width; + + mem_width = dw->pdata->data_width[dwc->dws.m_master]; + + /* + * It's possible to have a data portion locked in the DMA FIFO in case + * of the channel suspension. Subsequent channel disabling will cause + * that data silent loss. In order to prevent that maintain the src and + * dst transfer widths coherency by means of the relation: + * (CTLx.SRC_TR_WIDTH * CTLx.SRC_MSIZE >= CTLx.DST_TR_WIDTH) + * Look for the details in the commit message that brings this change. + * + * Note the DMA configs utilized in the calculations below must have + * been verified to have correct values by this method call. + */ + if (dwc->dma_sconfig.direction == DMA_MEM_TO_DEV) { + reg_width = dwc->dma_sconfig.dst_addr_width; + if (mem_width < reg_width) + return -EINVAL; + + dwc->dma_sconfig.src_addr_width = mem_width; + } else if (dwc->dma_sconfig.direction == DMA_DEV_TO_MEM) { + reg_width = dwc->dma_sconfig.src_addr_width; + reg_burst = rounddown_pow_of_two(dwc->dma_sconfig.src_maxburst); + + dwc->dma_sconfig.dst_addr_width = min(mem_width, reg_width * reg_burst); + } + + return 0; +} + static int dwc_config(struct dma_chan *chan, struct dma_slave_config *sconfig) { struct dw_dma_chan *dwc = to_dw_dma_chan(chan); struct dw_dma *dw = to_dw_dma(chan->device); + int ret; memcpy(&dwc->dma_sconfig, sconfig, sizeof(*sconfig)); dwc->dma_sconfig.src_maxburst = - clamp(dwc->dma_sconfig.src_maxburst, 0U, dwc->max_burst); + clamp(dwc->dma_sconfig.src_maxburst, 1U, dwc->max_burst); dwc->dma_sconfig.dst_maxburst = - clamp(dwc->dma_sconfig.dst_maxburst, 0U, dwc->max_burst); + clamp(dwc->dma_sconfig.dst_maxburst, 1U, dwc->max_burst); + + ret = dwc_verify_p_buswidth(chan); + if (ret) + return ret; + + ret = dwc_verify_m_buswidth(chan); + if (ret) + return ret; dw->encode_maxburst(dwc, &dwc->dma_sconfig.src_maxburst); dw->encode_maxburst(dwc, &dwc->dma_sconfig.dst_maxburst); diff --git a/drivers/dma/idxd/irq.c b/drivers/dma/idxd/irq.c index 6d6af0dc3c..1296076ea2 100644 --- a/drivers/dma/idxd/irq.c +++ b/drivers/dma/idxd/irq.c @@ -233,11 +233,13 @@ static void irq_process_work_list(struct idxd_irq_entry *irq_entry) spin_unlock(&irq_entry->list_lock); - list_for_each_entry(desc, &flist, list) { + list_for_each_entry_safe(desc, n, &flist, list) { /* * Check against the original status as ABORT is software defined * and 0xff, which DSA_COMP_STATUS_MASK can mask out. */ + list_del(&desc->list); + if (unlikely(desc->completion->status == IDXD_COMP_DESC_ABORT)) { complete_desc(desc, IDXD_COMPLETE_ABORT); continue; diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c index 191b592790..2a47b9053b 100644 --- a/drivers/dma/ioat/init.c +++ b/drivers/dma/ioat/init.c @@ -15,7 +15,6 @@ #include #include #include -#include #include #include "dma.h" #include "registers.h" @@ -535,18 +534,6 @@ static int ioat_probe(struct ioatdma_device *ioat_dma) return err; } -static int ioat_register(struct ioatdma_device *ioat_dma) -{ - int err = dma_async_device_register(&ioat_dma->dma_dev); - - if (err) { - ioat_disable_interrupts(ioat_dma); - dma_pool_destroy(ioat_dma->completion_pool); - } - - return err; -} - static void ioat_dma_remove(struct ioatdma_device *ioat_dma) { struct dma_device *dma = &ioat_dma->dma_dev; @@ -1181,9 +1168,9 @@ static int ioat3_dma_probe(struct ioatdma_device *ioat_dma, int dca) ioat_chan->reg_base + IOAT_DCACTRL_OFFSET); } - err = ioat_register(ioat_dma); + err = dma_async_device_register(&ioat_dma->dma_dev); if (err) - return err; + goto err_disable_interrupts; ioat_kobject_add(ioat_dma, &ioat_ktype); @@ -1191,21 +1178,30 @@ static int ioat3_dma_probe(struct ioatdma_device *ioat_dma, int dca) ioat_dma->dca = ioat_dca_init(pdev, ioat_dma->reg_base); /* disable relaxed ordering */ - err = pcie_capability_read_word(pdev, IOAT_DEVCTRL_OFFSET, &val16); - if (err) - return pcibios_err_to_errno(err); + err = pcie_capability_read_word(pdev, PCI_EXP_DEVCTL, &val16); + if (err) { + err = pcibios_err_to_errno(err); + goto err_disable_interrupts; + } /* clear relaxed ordering enable */ - val16 &= ~IOAT_DEVCTRL_ROE; - err = pcie_capability_write_word(pdev, IOAT_DEVCTRL_OFFSET, val16); - if (err) - return pcibios_err_to_errno(err); + val16 &= ~PCI_EXP_DEVCTL_RELAX_EN; + err = pcie_capability_write_word(pdev, PCI_EXP_DEVCTL, val16); + if (err) { + err = pcibios_err_to_errno(err); + goto err_disable_interrupts; + } if (ioat_dma->cap & IOAT_CAP_DPS) writeb(ioat_pending_level + 1, ioat_dma->reg_base + IOAT_PREFETCH_LIMIT_OFFSET); return 0; + +err_disable_interrupts: + ioat_disable_interrupts(ioat_dma); + dma_pool_destroy(ioat_dma->completion_pool); + return err; } static void ioat_shutdown(struct pci_dev *pdev) @@ -1350,6 +1346,8 @@ static int ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) void __iomem * const *iomap; struct device *dev = &pdev->dev; struct ioatdma_device *device; + unsigned int i; + u8 version; int err; err = pcim_enable_device(pdev); @@ -1363,15 +1361,13 @@ static int ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (!iomap) return -ENOMEM; - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); - if (err) - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (err) - return err; + version = readb(iomap[IOAT_MMIO_BAR] + IOAT_VER_OFFSET); + if (version < IOAT_VER_3_0) + return -ENODEV; - err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); if (err) - err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); if (err) return err; @@ -1381,22 +1377,19 @@ static int ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) pci_set_master(pdev); pci_set_drvdata(pdev, device); - device->version = readb(device->reg_base + IOAT_VER_OFFSET); + device->version = version; if (device->version >= IOAT_VER_3_4) ioat_dca_enabled = 0; - if (device->version >= IOAT_VER_3_0) { - if (is_skx_ioat(pdev)) - device->version = IOAT_VER_3_2; - err = ioat3_dma_probe(device, ioat_dca_enabled); - - if (device->version >= IOAT_VER_3_3) - pci_enable_pcie_error_reporting(pdev); - } else - return -ENODEV; + if (is_skx_ioat(pdev)) + device->version = IOAT_VER_3_2; + + err = ioat3_dma_probe(device, ioat_dca_enabled); if (err) { + for (i = 0; i < IOAT_MAX_CHANS; i++) + kfree(device->idx[i]); + kfree(device); dev_err(dev, "Intel(R) I/OAT DMA Engine init failed\n"); - pci_disable_pcie_error_reporting(pdev); return -ENODEV; } @@ -1419,7 +1412,6 @@ static void ioat_remove(struct pci_dev *pdev) device->dca = NULL; } - pci_disable_pcie_error_reporting(pdev); ioat_dma_remove(device); } @@ -1458,6 +1450,7 @@ module_init(ioat_init_module); static void __exit ioat_exit_module(void) { pci_unregister_driver(&ioat_pci_driver); + kmem_cache_destroy(ioat_sed_cache); kmem_cache_destroy(ioat_cache); } module_exit(ioat_exit_module); diff --git a/drivers/dma/ioat/registers.h b/drivers/dma/ioat/registers.h index f55a5f92f1..54cf0ad398 100644 --- a/drivers/dma/ioat/registers.h +++ b/drivers/dma/ioat/registers.h @@ -14,13 +14,6 @@ #define IOAT_PCI_CHANERR_INT_OFFSET 0x180 #define IOAT_PCI_CHANERRMASK_INT_OFFSET 0x184 -/* PCIe config registers */ - -/* EXPCAPID + N */ -#define IOAT_DEVCTRL_OFFSET 0x8 -/* relaxed ordering enable */ -#define IOAT_DEVCTRL_ROE 0x10 - /* MMIO Device Registers */ #define IOAT_CHANCNT_OFFSET 0x00 /* 8-bit */ diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index 698fb89884..9db45c4eaa 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -4415,7 +4415,9 @@ static int udma_get_mmrs(struct platform_device *pdev, struct udma_dev *ud) ud->rchan_cnt = UDMA_CAP2_RCHAN_CNT(cap2); break; case DMA_TYPE_BCDMA: - ud->bchan_cnt = BCDMA_CAP2_BCHAN_CNT(cap2); + ud->bchan_cnt = BCDMA_CAP2_BCHAN_CNT(cap2) + + BCDMA_CAP3_HBCHAN_CNT(cap3) + + BCDMA_CAP3_UBCHAN_CNT(cap3); ud->tchan_cnt = BCDMA_CAP2_TCHAN_CNT(cap2); ud->rchan_cnt = BCDMA_CAP2_RCHAN_CNT(cap2); ud->rflow_cnt = ud->rchan_cnt; diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile index 2d1641a27a..a98e1981df 100644 --- a/drivers/edac/Makefile +++ b/drivers/edac/Makefile @@ -54,11 +54,13 @@ obj-$(CONFIG_EDAC_MPC85XX) += mpc85xx_edac_mod.o layerscape_edac_mod-y := fsl_ddr_edac.o layerscape_edac.o obj-$(CONFIG_EDAC_LAYERSCAPE) += layerscape_edac_mod.o -skx_edac-y := skx_common.o skx_base.o -obj-$(CONFIG_EDAC_SKX) += skx_edac.o +skx_edac_common-y := skx_common.o -i10nm_edac-y := skx_common.o i10nm_base.o -obj-$(CONFIG_EDAC_I10NM) += i10nm_edac.o +skx_edac-y := skx_base.o +obj-$(CONFIG_EDAC_SKX) += skx_edac.o skx_edac_common.o + +i10nm_edac-y := i10nm_base.o +obj-$(CONFIG_EDAC_I10NM) += i10nm_edac.o skx_edac_common.o obj-$(CONFIG_EDAC_CELL) += cell_edac.o obj-$(CONFIG_EDAC_PPC4XX) += ppc4xx_edac.o diff --git a/drivers/edac/igen6_edac.c b/drivers/edac/igen6_edac.c index c46880a934..74c5aad1f6 100644 --- a/drivers/edac/igen6_edac.c +++ b/drivers/edac/igen6_edac.c @@ -245,7 +245,7 @@ static u64 ehl_err_addr_to_imc_addr(u64 eaddr, int mc) if (igen6_tom <= _4GB) return eaddr + igen6_tolud - _4GB; - if (eaddr < _4GB) + if (eaddr >= igen6_tom) return eaddr + igen6_tolud - igen6_tom; return eaddr; diff --git a/drivers/edac/skx_common.c b/drivers/edac/skx_common.c index 19c17c5198..88c44d5359 100644 --- a/drivers/edac/skx_common.c +++ b/drivers/edac/skx_common.c @@ -46,7 +46,7 @@ static u64 skx_tolm, skx_tohm; static LIST_HEAD(dev_edac_list); static bool skx_mem_cfg_2lm; -int __init skx_adxl_get(void) +int skx_adxl_get(void) { const char * const *names; int i, j; @@ -108,12 +108,14 @@ int __init skx_adxl_get(void) return -ENODEV; } +EXPORT_SYMBOL_GPL(skx_adxl_get); -void __exit skx_adxl_put(void) +void skx_adxl_put(void) { kfree(adxl_values); kfree(adxl_msg); } +EXPORT_SYMBOL_GPL(skx_adxl_put); static bool skx_adxl_decode(struct decoded_addr *res, bool error_in_1st_level_mem) { @@ -180,12 +182,14 @@ void skx_set_mem_cfg(bool mem_cfg_2lm) { skx_mem_cfg_2lm = mem_cfg_2lm; } +EXPORT_SYMBOL_GPL(skx_set_mem_cfg); void skx_set_decode(skx_decode_f decode, skx_show_retry_log_f show_retry_log) { skx_decode = decode; skx_show_retry_rd_err_log = show_retry_log; } +EXPORT_SYMBOL_GPL(skx_set_decode); int skx_get_src_id(struct skx_dev *d, int off, u8 *id) { @@ -199,6 +203,7 @@ int skx_get_src_id(struct skx_dev *d, int off, u8 *id) *id = GET_BITFIELD(reg, 12, 14); return 0; } +EXPORT_SYMBOL_GPL(skx_get_src_id); int skx_get_node_id(struct skx_dev *d, u8 *id) { @@ -212,6 +217,7 @@ int skx_get_node_id(struct skx_dev *d, u8 *id) *id = GET_BITFIELD(reg, 0, 2); return 0; } +EXPORT_SYMBOL_GPL(skx_get_node_id); static int get_width(u32 mtr) { @@ -277,6 +283,7 @@ int skx_get_all_bus_mappings(struct res_config *cfg, struct list_head **list) *list = &dev_edac_list; return ndev; } +EXPORT_SYMBOL_GPL(skx_get_all_bus_mappings); int skx_get_hi_lo(unsigned int did, int off[], u64 *tolm, u64 *tohm) { @@ -316,6 +323,7 @@ int skx_get_hi_lo(unsigned int did, int off[], u64 *tolm, u64 *tohm) pci_dev_put(pdev); return -ENODEV; } +EXPORT_SYMBOL_GPL(skx_get_hi_lo); static int skx_get_dimm_attr(u32 reg, int lobit, int hibit, int add, int minval, int maxval, const char *name) @@ -387,6 +395,7 @@ int skx_get_dimm_info(u32 mtr, u32 mcmtr, u32 amap, struct dimm_info *dimm, return 1; } +EXPORT_SYMBOL_GPL(skx_get_dimm_info); int skx_get_nvdimm_info(struct dimm_info *dimm, struct skx_imc *imc, int chan, int dimmno, const char *mod_str) @@ -435,6 +444,7 @@ int skx_get_nvdimm_info(struct dimm_info *dimm, struct skx_imc *imc, return (size == 0 || size == ~0ull) ? 0 : 1; } +EXPORT_SYMBOL_GPL(skx_get_nvdimm_info); int skx_register_mci(struct skx_imc *imc, struct pci_dev *pdev, const char *ctl_name, const char *mod_str, @@ -505,6 +515,7 @@ int skx_register_mci(struct skx_imc *imc, struct pci_dev *pdev, imc->mci = NULL; return rc; } +EXPORT_SYMBOL_GPL(skx_register_mci); static void skx_unregister_mci(struct skx_imc *imc) { @@ -686,6 +697,7 @@ int skx_mce_check_error(struct notifier_block *nb, unsigned long val, mce->kflags |= MCE_HANDLED_EDAC; return NOTIFY_DONE; } +EXPORT_SYMBOL_GPL(skx_mce_check_error); void skx_remove(void) { @@ -723,3 +735,8 @@ void skx_remove(void) kfree(d); } } +EXPORT_SYMBOL_GPL(skx_remove); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Tony Luck"); +MODULE_DESCRIPTION("MC Driver for Intel server processors"); diff --git a/drivers/edac/skx_common.h b/drivers/edac/skx_common.h index 03ac067a80..13f761930b 100644 --- a/drivers/edac/skx_common.h +++ b/drivers/edac/skx_common.h @@ -162,8 +162,8 @@ typedef int (*get_dimm_config_f)(struct mem_ctl_info *mci, typedef bool (*skx_decode_f)(struct decoded_addr *res); typedef void (*skx_show_retry_log_f)(struct decoded_addr *res, char *msg, int len, bool scrub_err); -int __init skx_adxl_get(void); -void __exit skx_adxl_put(void); +int skx_adxl_get(void); +void skx_adxl_put(void); void skx_set_decode(skx_decode_f decode, skx_show_retry_log_f show_retry_log); void skx_set_mem_cfg(bool mem_cfg_2lm); diff --git a/drivers/edac/synopsys_edac.c b/drivers/edac/synopsys_edac.c index 8557781bb8..e8ddb029f1 100644 --- a/drivers/edac/synopsys_edac.c +++ b/drivers/edac/synopsys_edac.c @@ -22,6 +22,8 @@ #include #include #include +#include +#include #include #include #include @@ -101,6 +103,7 @@ /* DDR ECC Quirks */ #define DDR_ECC_INTR_SUPPORT BIT(0) #define DDR_ECC_DATA_POISON_SUPPORT BIT(1) +#define DDR_ECC_INTR_SELF_CLEAR BIT(2) /* ZynqMP Enhanced DDR memory controller registers that are relevant to ECC */ /* ECC Configuration Registers */ @@ -176,6 +179,10 @@ #define DDR_QOS_IRQ_EN_OFST 0x20208 #define DDR_QOS_IRQ_DB_OFST 0x2020C +/* DDR QOS Interrupt register definitions */ +#define DDR_UE_MASK BIT(9) +#define DDR_CE_MASK BIT(8) + /* ECC Corrected Error Register Mask and Shifts*/ #define ECC_CEADDR0_RW_MASK 0x3FFFF #define ECC_CEADDR0_RNK_MASK BIT(24) @@ -308,6 +315,7 @@ struct synps_ecc_status { /** * struct synps_edac_priv - DDR memory controller private instance data. * @baseaddr: Base address of the DDR controller. + * @reglock: Concurrent CSRs access lock. * @message: Buffer for framing the event specific info. * @stat: ECC status information. * @p_data: Platform data. @@ -322,6 +330,7 @@ struct synps_ecc_status { */ struct synps_edac_priv { void __iomem *baseaddr; + spinlock_t reglock; char message[SYNPS_EDAC_MSG_SIZE]; struct synps_ecc_status stat; const struct synps_platform_data *p_data; @@ -343,6 +352,7 @@ struct synps_edac_priv { * @get_mtype: Get mtype. * @get_dtype: Get dtype. * @get_ecc_state: Get ECC state. + * @get_mem_info: Get EDAC memory info * @quirks: To differentiate IPs. */ struct synps_platform_data { @@ -350,6 +360,9 @@ struct synps_platform_data { enum mem_type (*get_mtype)(const void __iomem *base); enum dev_type (*get_dtype)(const void __iomem *base); bool (*get_ecc_state)(void __iomem *base); +#ifdef CONFIG_EDAC_DEBUG + u64 (*get_mem_info)(struct synps_edac_priv *priv); +#endif int quirks; }; @@ -408,6 +421,25 @@ static int zynq_get_error_info(struct synps_edac_priv *priv) return 0; } +#ifdef CONFIG_EDAC_DEBUG +/** + * zynqmp_get_mem_info - Get the current memory info. + * @priv: DDR memory controller private instance data. + * + * Return: host interface address. + */ +static u64 zynqmp_get_mem_info(struct synps_edac_priv *priv) +{ + u64 hif_addr = 0, linear_addr; + + linear_addr = priv->poison_addr; + if (linear_addr >= SZ_32G) + linear_addr = linear_addr - SZ_32G + SZ_2G; + hif_addr = linear_addr >> 3; + return hif_addr; +} +#endif + /** * zynqmp_get_error_info - Get the current ECC error info. * @priv: DDR memory controller private instance data. @@ -417,7 +449,8 @@ static int zynq_get_error_info(struct synps_edac_priv *priv) static int zynqmp_get_error_info(struct synps_edac_priv *priv) { struct synps_ecc_status *p; - u32 regval, clearval = 0; + u32 regval, clearval; + unsigned long flags; void __iomem *base; base = priv->baseaddr; @@ -461,10 +494,14 @@ static int zynqmp_get_error_info(struct synps_edac_priv *priv) p->ueinfo.blknr = (regval & ECC_CEADDR1_BLKNR_MASK); p->ueinfo.data = readl(base + ECC_UESYND0_OFST); out: - clearval = ECC_CTRL_CLR_CE_ERR | ECC_CTRL_CLR_CE_ERRCNT; - clearval |= ECC_CTRL_CLR_UE_ERR | ECC_CTRL_CLR_UE_ERRCNT; + spin_lock_irqsave(&priv->reglock, flags); + + clearval = readl(base + ECC_CLR_OFST) | + ECC_CTRL_CLR_CE_ERR | ECC_CTRL_CLR_CE_ERRCNT | + ECC_CTRL_CLR_UE_ERR | ECC_CTRL_CLR_UE_ERRCNT; writel(clearval, base + ECC_CLR_OFST); - writel(0x0, base + ECC_CLR_OFST); + + spin_unlock_irqrestore(&priv->reglock, flags); return 0; } @@ -522,6 +559,45 @@ static void handle_error(struct mem_ctl_info *mci, struct synps_ecc_status *p) memset(p, 0, sizeof(*p)); } +static void enable_intr(struct synps_edac_priv *priv) +{ + unsigned long flags; + + /* Enable UE/CE Interrupts */ + if (!(priv->p_data->quirks & DDR_ECC_INTR_SELF_CLEAR)) { + writel(DDR_QOSUE_MASK | DDR_QOSCE_MASK, + priv->baseaddr + DDR_QOS_IRQ_EN_OFST); + + return; + } + + spin_lock_irqsave(&priv->reglock, flags); + + writel(DDR_UE_MASK | DDR_CE_MASK, + priv->baseaddr + ECC_CLR_OFST); + + spin_unlock_irqrestore(&priv->reglock, flags); +} + +static void disable_intr(struct synps_edac_priv *priv) +{ + unsigned long flags; + + /* Disable UE/CE Interrupts */ + if (!(priv->p_data->quirks & DDR_ECC_INTR_SELF_CLEAR)) { + writel(DDR_QOSUE_MASK | DDR_QOSCE_MASK, + priv->baseaddr + DDR_QOS_IRQ_DB_OFST); + + return; + } + + spin_lock_irqsave(&priv->reglock, flags); + + writel(0, priv->baseaddr + ECC_CLR_OFST); + + spin_unlock_irqrestore(&priv->reglock, flags); +} + /** * intr_handler - Interrupt Handler for ECC interrupts. * @irq: IRQ number. @@ -539,10 +615,16 @@ static irqreturn_t intr_handler(int irq, void *dev_id) priv = mci->pvt_info; p_data = priv->p_data; - regval = readl(priv->baseaddr + DDR_QOS_IRQ_STAT_OFST); - regval &= (DDR_QOSCE_MASK | DDR_QOSUE_MASK); - if (!(regval & ECC_CE_UE_INTR_MASK)) - return IRQ_NONE; + /* + * v3.0 of the controller has the ce/ue bits cleared automatically, + * so this condition does not apply. + */ + if (!(priv->p_data->quirks & DDR_ECC_INTR_SELF_CLEAR)) { + regval = readl(priv->baseaddr + DDR_QOS_IRQ_STAT_OFST); + regval &= (DDR_QOSCE_MASK | DDR_QOSUE_MASK); + if (!(regval & ECC_CE_UE_INTR_MASK)) + return IRQ_NONE; + } status = p_data->get_error_info(priv); if (status) @@ -554,7 +636,10 @@ static irqreturn_t intr_handler(int irq, void *dev_id) edac_dbg(3, "Total error count CE %d UE %d\n", priv->ce_cnt, priv->ue_cnt); - writel(regval, priv->baseaddr + DDR_QOS_IRQ_STAT_OFST); + /* v3.0 of the controller does not have this register */ + if (!(priv->p_data->quirks & DDR_ECC_INTR_SELF_CLEAR)) + writel(regval, priv->baseaddr + DDR_QOS_IRQ_STAT_OFST); + return IRQ_HANDLED; } @@ -837,20 +922,6 @@ static void mc_init(struct mem_ctl_info *mci, struct platform_device *pdev) init_csrows(mci); } -static void enable_intr(struct synps_edac_priv *priv) -{ - /* Enable UE/CE Interrupts */ - writel(DDR_QOSUE_MASK | DDR_QOSCE_MASK, - priv->baseaddr + DDR_QOS_IRQ_EN_OFST); -} - -static void disable_intr(struct synps_edac_priv *priv) -{ - /* Disable UE/CE Interrupts */ - writel(DDR_QOSUE_MASK | DDR_QOSCE_MASK, - priv->baseaddr + DDR_QOS_IRQ_DB_OFST); -} - static int setup_irq(struct mem_ctl_info *mci, struct platform_device *pdev) { @@ -889,6 +960,9 @@ static const struct synps_platform_data zynqmp_edac_def = { .get_mtype = zynqmp_get_mtype, .get_dtype = zynqmp_get_dtype, .get_ecc_state = zynqmp_get_ecc_state, +#ifdef CONFIG_EDAC_DEBUG + .get_mem_info = zynqmp_get_mem_info, +#endif .quirks = (DDR_ECC_INTR_SUPPORT #ifdef CONFIG_EDAC_DEBUG | DDR_ECC_DATA_POISON_SUPPORT @@ -896,6 +970,19 @@ static const struct synps_platform_data zynqmp_edac_def = { ), }; +static const struct synps_platform_data synopsys_edac_def = { + .get_error_info = zynqmp_get_error_info, + .get_mtype = zynqmp_get_mtype, + .get_dtype = zynqmp_get_dtype, + .get_ecc_state = zynqmp_get_ecc_state, + .quirks = (DDR_ECC_INTR_SUPPORT | DDR_ECC_INTR_SELF_CLEAR +#ifdef CONFIG_EDAC_DEBUG + | DDR_ECC_DATA_POISON_SUPPORT +#endif + ), +}; + + static const struct of_device_id synps_edac_match[] = { { .compatible = "xlnx,zynq-ddrc-a05", @@ -905,6 +992,10 @@ static const struct of_device_id synps_edac_match[] = { .compatible = "xlnx,zynqmp-ddrc-2.40a", .data = (void *)&zynqmp_edac_def }, + { + .compatible = "snps,ddrc-3.80a", + .data = (void *)&synopsys_edac_def + }, { /* end of table */ } @@ -925,10 +1016,16 @@ MODULE_DEVICE_TABLE(of, synps_edac_match); static void ddr_poison_setup(struct synps_edac_priv *priv) { int col = 0, row = 0, bank = 0, bankgrp = 0, rank = 0, regval; + const struct synps_platform_data *p_data; int index; ulong hif_addr = 0; - hif_addr = priv->poison_addr >> 3; + p_data = priv->p_data; + + if (p_data->get_mem_info) + hif_addr = p_data->get_mem_info(priv); + else + hif_addr = priv->poison_addr >> 3; for (index = 0; index < DDR_MAX_ROW_SHIFT; index++) { if (priv->row_shift[index]) @@ -1332,6 +1429,7 @@ static int mc_probe(struct platform_device *pdev) priv = mci->pvt_info; priv->baseaddr = baseaddr; priv->p_data = p_data; + spin_lock_init(&priv->reglock); mc_init(mci, pdev); diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c index 285fe7ad49..3e8051fe82 100644 --- a/drivers/firmware/arm_sdei.c +++ b/drivers/firmware/arm_sdei.c @@ -763,7 +763,7 @@ static int sdei_device_freeze(struct device *dev) int err; /* unregister private events */ - cpuhp_remove_state(sdei_entry_point); + cpuhp_remove_state(sdei_hp_state); err = sdei_unregister_shared(); if (err) diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index f191a1f901..dcfddde767 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -101,6 +101,17 @@ static void dmi_decode_table(u8 *buf, (data - buf + sizeof(struct dmi_header)) <= dmi_len) { const struct dmi_header *dm = (const struct dmi_header *)data; + /* + * If a short entry is found (less than 4 bytes), not only it + * is invalid, but we cannot reliably locate the next entry. + */ + if (dm->length < sizeof(struct dmi_header)) { + pr_warn(FW_BUG + "Corrupted DMI table, offset %zd (only %d entries processed)\n", + data - buf, i); + break; + } + /* * We want to know the total length (formatted area and * strings) before decoding to make sure we won't run off the diff --git a/drivers/firmware/efi/fdtparams.c b/drivers/firmware/efi/fdtparams.c index e901f8564c..0ec83ba580 100644 --- a/drivers/firmware/efi/fdtparams.c +++ b/drivers/firmware/efi/fdtparams.c @@ -30,11 +30,13 @@ static __initconst const char name[][22] = { static __initconst const struct { const char path[17]; + u8 paravirt; const char params[PARAMCOUNT][26]; } dt_params[] = { { #ifdef CONFIG_XEN // <-------17------> .path = "/hypervisor/uefi", + .paravirt = 1, .params = { [SYSTAB] = "xen,uefi-system-table", [MMBASE] = "xen,uefi-mmap-start", @@ -121,6 +123,8 @@ u64 __init efi_get_fdt_params(struct efi_memory_map_data *mm) pr_err("Can't find property '%s' in DT!\n", pname); return 0; } + if (dt_params[i].paravirt) + set_bit(EFI_PARAVIRT, &efi.flags); return systab; } notfound: diff --git a/drivers/firmware/efi/libstub/tpm.c b/drivers/firmware/efi/libstub/tpm.c index 7acbac16ea..95da291c30 100644 --- a/drivers/firmware/efi/libstub/tpm.c +++ b/drivers/firmware/efi/libstub/tpm.c @@ -115,7 +115,7 @@ void efi_retrieve_tpm2_eventlog(void) } /* Allocate space for the logs and copy them. */ - status = efi_bs_call(allocate_pool, EFI_LOADER_DATA, + status = efi_bs_call(allocate_pool, EFI_ACPI_RECLAIM_MEMORY, sizeof(*log_tbl) + log_size, (void **)&log_tbl); if (status != EFI_SUCCESS) { diff --git a/drivers/firmware/efi/memmap.c b/drivers/firmware/efi/memmap.c index 2ff1883dc7..77dd20f9df 100644 --- a/drivers/firmware/efi/memmap.c +++ b/drivers/firmware/efi/memmap.c @@ -9,83 +9,11 @@ #include #include #include -#include #include #include -static phys_addr_t __init __efi_memmap_alloc_early(unsigned long size) -{ - return memblock_phys_alloc(size, SMP_CACHE_BYTES); -} - -static phys_addr_t __init __efi_memmap_alloc_late(unsigned long size) -{ - unsigned int order = get_order(size); - struct page *p = alloc_pages(GFP_KERNEL, order); - - if (!p) - return 0; - - return PFN_PHYS(page_to_pfn(p)); -} - -void __init __efi_memmap_free(u64 phys, unsigned long size, unsigned long flags) -{ - if (flags & EFI_MEMMAP_MEMBLOCK) { - if (slab_is_available()) - memblock_free_late(phys, size); - else - memblock_free(phys, size); - } else if (flags & EFI_MEMMAP_SLAB) { - struct page *p = pfn_to_page(PHYS_PFN(phys)); - unsigned int order = get_order(size); - - free_pages((unsigned long) page_address(p), order); - } -} - -static void __init efi_memmap_free(void) -{ - __efi_memmap_free(efi.memmap.phys_map, - efi.memmap.desc_size * efi.memmap.nr_map, - efi.memmap.flags); -} - -/** - * efi_memmap_alloc - Allocate memory for the EFI memory map - * @num_entries: Number of entries in the allocated map. - * @data: efi memmap installation parameters - * - * Depending on whether mm_init() has already been invoked or not, - * either memblock or "normal" page allocation is used. - * - * Returns the physical address of the allocated memory map on - * success, zero on failure. - */ -int __init efi_memmap_alloc(unsigned int num_entries, - struct efi_memory_map_data *data) -{ - /* Expect allocation parameters are zero initialized */ - WARN_ON(data->phys_map || data->size); - - data->size = num_entries * efi.memmap.desc_size; - data->desc_version = efi.memmap.desc_version; - data->desc_size = efi.memmap.desc_size; - data->flags &= ~(EFI_MEMMAP_SLAB | EFI_MEMMAP_MEMBLOCK); - data->flags |= efi.memmap.flags & EFI_MEMMAP_LATE; - - if (slab_is_available()) { - data->flags |= EFI_MEMMAP_SLAB; - data->phys_map = __efi_memmap_alloc_late(data->size); - } else { - data->flags |= EFI_MEMMAP_MEMBLOCK; - data->phys_map = __efi_memmap_alloc_early(data->size); - } - - if (!data->phys_map) - return -ENOMEM; - return 0; -} +#include +#include /** * __efi_memmap_init - Common code for mapping the EFI memory map @@ -102,14 +30,11 @@ int __init efi_memmap_alloc(unsigned int num_entries, * * Returns zero on success, a negative error code on failure. */ -static int __init __efi_memmap_init(struct efi_memory_map_data *data) +int __init __efi_memmap_init(struct efi_memory_map_data *data) { struct efi_memory_map map; phys_addr_t phys_map; - if (efi_enabled(EFI_PARAVIRT)) - return 0; - phys_map = data->phys_map; if (data->flags & EFI_MEMMAP_LATE) @@ -122,9 +47,6 @@ static int __init __efi_memmap_init(struct efi_memory_map_data *data) return -ENOMEM; } - /* NOP if data->flags & (EFI_MEMMAP_MEMBLOCK | EFI_MEMMAP_SLAB) == 0 */ - efi_memmap_free(); - map.phys_map = data->phys_map; map.nr_map = data->size / data->desc_size; map.map_end = map.map + data->size; @@ -221,158 +143,3 @@ int __init efi_memmap_init_late(phys_addr_t addr, unsigned long size) return __efi_memmap_init(&data); } - -/** - * efi_memmap_install - Install a new EFI memory map in efi.memmap - * @ctx: map allocation parameters (address, size, flags) - * - * Unlike efi_memmap_init_*(), this function does not allow the caller - * to switch from early to late mappings. It simply uses the existing - * mapping function and installs the new memmap. - * - * Returns zero on success, a negative error code on failure. - */ -int __init efi_memmap_install(struct efi_memory_map_data *data) -{ - efi_memmap_unmap(); - - return __efi_memmap_init(data); -} - -/** - * efi_memmap_split_count - Count number of additional EFI memmap entries - * @md: EFI memory descriptor to split - * @range: Address range (start, end) to split around - * - * Returns the number of additional EFI memmap entries required to - * accomodate @range. - */ -int __init efi_memmap_split_count(efi_memory_desc_t *md, struct range *range) -{ - u64 m_start, m_end; - u64 start, end; - int count = 0; - - start = md->phys_addr; - end = start + (md->num_pages << EFI_PAGE_SHIFT) - 1; - - /* modifying range */ - m_start = range->start; - m_end = range->end; - - if (m_start <= start) { - /* split into 2 parts */ - if (start < m_end && m_end < end) - count++; - } - - if (start < m_start && m_start < end) { - /* split into 3 parts */ - if (m_end < end) - count += 2; - /* split into 2 parts */ - if (end <= m_end) - count++; - } - - return count; -} - -/** - * efi_memmap_insert - Insert a memory region in an EFI memmap - * @old_memmap: The existing EFI memory map structure - * @buf: Address of buffer to store new map - * @mem: Memory map entry to insert - * - * It is suggested that you call efi_memmap_split_count() first - * to see how large @buf needs to be. - */ -void __init efi_memmap_insert(struct efi_memory_map *old_memmap, void *buf, - struct efi_mem_range *mem) -{ - u64 m_start, m_end, m_attr; - efi_memory_desc_t *md; - u64 start, end; - void *old, *new; - - /* modifying range */ - m_start = mem->range.start; - m_end = mem->range.end; - m_attr = mem->attribute; - - /* - * The EFI memory map deals with regions in EFI_PAGE_SIZE - * units. Ensure that the region described by 'mem' is aligned - * correctly. - */ - if (!IS_ALIGNED(m_start, EFI_PAGE_SIZE) || - !IS_ALIGNED(m_end + 1, EFI_PAGE_SIZE)) { - WARN_ON(1); - return; - } - - for (old = old_memmap->map, new = buf; - old < old_memmap->map_end; - old += old_memmap->desc_size, new += old_memmap->desc_size) { - - /* copy original EFI memory descriptor */ - memcpy(new, old, old_memmap->desc_size); - md = new; - start = md->phys_addr; - end = md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT) - 1; - - if (m_start <= start && end <= m_end) - md->attribute |= m_attr; - - if (m_start <= start && - (start < m_end && m_end < end)) { - /* first part */ - md->attribute |= m_attr; - md->num_pages = (m_end - md->phys_addr + 1) >> - EFI_PAGE_SHIFT; - /* latter part */ - new += old_memmap->desc_size; - memcpy(new, old, old_memmap->desc_size); - md = new; - md->phys_addr = m_end + 1; - md->num_pages = (end - md->phys_addr + 1) >> - EFI_PAGE_SHIFT; - } - - if ((start < m_start && m_start < end) && m_end < end) { - /* first part */ - md->num_pages = (m_start - md->phys_addr) >> - EFI_PAGE_SHIFT; - /* middle part */ - new += old_memmap->desc_size; - memcpy(new, old, old_memmap->desc_size); - md = new; - md->attribute |= m_attr; - md->phys_addr = m_start; - md->num_pages = (m_end - m_start + 1) >> - EFI_PAGE_SHIFT; - /* last part */ - new += old_memmap->desc_size; - memcpy(new, old, old_memmap->desc_size); - md = new; - md->phys_addr = m_end + 1; - md->num_pages = (end - m_end) >> - EFI_PAGE_SHIFT; - } - - if ((start < m_start && m_start < end) && - (end <= m_end)) { - /* first part */ - md->num_pages = (m_start - md->phys_addr) >> - EFI_PAGE_SHIFT; - /* latter part */ - new += old_memmap->desc_size; - memcpy(new, old, old_memmap->desc_size); - md = new; - md->phys_addr = m_start; - md->num_pages = (end - md->phys_addr + 1) >> - EFI_PAGE_SHIFT; - md->attribute |= m_attr; - } - } -} diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c index 037db21de5..f0c3980b28 100644 --- a/drivers/firmware/tegra/bpmp.c +++ b/drivers/firmware/tegra/bpmp.c @@ -25,12 +25,6 @@ #define MSG_RING BIT(1) #define TAG_SZ 32 -static inline struct tegra_bpmp * -mbox_client_to_bpmp(struct mbox_client *client) -{ - return container_of(client, struct tegra_bpmp, mbox.client); -} - static inline const struct tegra_bpmp_ops * channel_to_ops(struct tegra_bpmp_channel *channel) { diff --git a/drivers/firmware/turris-mox-rwtm.c b/drivers/firmware/turris-mox-rwtm.c index c2d34dc8ba..c3d49fcc53 100644 --- a/drivers/firmware/turris-mox-rwtm.c +++ b/drivers/firmware/turris-mox-rwtm.c @@ -2,7 +2,7 @@ /* * Turris Mox rWTM firmware driver * - * Copyright (C) 2019 Marek Behún + * Copyright (C) 2019, 2024 Marek Behún */ #include @@ -174,6 +174,9 @@ static void mox_rwtm_rx_callback(struct mbox_client *cl, void *data) struct mox_rwtm *rwtm = dev_get_drvdata(cl->dev); struct armada_37xx_rwtm_rx_msg *msg = data; + if (completion_done(&rwtm->cmd_done)) + return; + rwtm->reply = *msg; complete(&rwtm->cmd_done); } @@ -199,9 +202,8 @@ static int mox_get_board_info(struct mox_rwtm *rwtm) if (ret < 0) return ret; - ret = wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2); - if (ret < 0) - return ret; + if (!wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2)) + return -ETIMEDOUT; ret = mox_get_status(MBOX_CMD_BOARD_INFO, reply->retval); if (ret == -ENODATA) { @@ -235,9 +237,8 @@ static int mox_get_board_info(struct mox_rwtm *rwtm) if (ret < 0) return ret; - ret = wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2); - if (ret < 0) - return ret; + if (!wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2)) + return -ETIMEDOUT; ret = mox_get_status(MBOX_CMD_ECDSA_PUB_KEY, reply->retval); if (ret == -ENODATA) { @@ -274,9 +275,8 @@ static int check_get_random_support(struct mox_rwtm *rwtm) if (ret < 0) return ret; - ret = wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2); - if (ret < 0) - return ret; + if (!wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2)) + return -ETIMEDOUT; return mox_get_status(MBOX_CMD_GET_RANDOM, rwtm->reply.retval); } @@ -499,6 +499,7 @@ static int turris_mox_rwtm_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rwtm); mutex_init(&rwtm->busy); + init_completion(&rwtm->cmd_done); rwtm->mbox_client.dev = dev; rwtm->mbox_client.rx_callback = mox_rwtm_rx_callback; @@ -512,8 +513,6 @@ static int turris_mox_rwtm_probe(struct platform_device *pdev) goto remove_files; } - init_completion(&rwtm->cmd_done); - ret = mox_get_board_info(rwtm); if (ret < 0) dev_warn(dev, "Cannot read board information: %i\n", ret); diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 7b9def6b10..a36afb47a6 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -1396,7 +1396,7 @@ config GPIO_TPS68470 drivers are loaded. config GPIO_TQMX86 - tristate "TQ-Systems QTMX86 GPIO" + tristate "TQ-Systems TQMx86 GPIO" depends on MFD_TQMX86 || COMPILE_TEST depends on HAS_IOPORT_MAP select GPIOLIB_IRQCHIP diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c index 42d3e1cf73..21deb228c7 100644 --- a/drivers/gpio/gpio-aspeed.c +++ b/drivers/gpio/gpio-aspeed.c @@ -404,6 +404,8 @@ static void __aspeed_gpio_set(struct gpio_chip *gc, unsigned int offset, gpio->dcache[GPIO_BANK(offset)] = reg; iowrite32(reg, addr); + /* Flush write */ + ioread32(addr); } static void aspeed_gpio_set(struct gpio_chip *gc, unsigned int offset, @@ -1154,7 +1156,7 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev) if (!gpio_id) return -EINVAL; - gpio->clk = of_clk_get(pdev->dev.of_node, 0); + gpio->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(gpio->clk)) { dev_warn(&pdev->dev, "Failed to get clock from devicetree, debouncing disabled\n"); diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index 0214244e9f..eaf7a8f873 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -227,6 +227,11 @@ static int davinci_gpio_probe(struct platform_device *pdev) else nirq = DIV_ROUND_UP(ngpio, 16); + if (nirq > MAX_INT_PER_BANK) { + dev_err(dev, "Too many IRQs!\n"); + return -EINVAL; + } + chips = devm_kzalloc(dev, sizeof(*chips), GFP_KERNEL); if (!chips) return -ENOMEM; @@ -288,7 +293,7 @@ static int davinci_gpio_probe(struct platform_device *pdev) * serve as EDMA event triggers. */ -static void gpio_irq_disable(struct irq_data *d) +static void gpio_irq_mask(struct irq_data *d) { struct davinci_gpio_regs __iomem *g = irq2regs(d); uintptr_t mask = (uintptr_t)irq_data_get_irq_handler_data(d); @@ -297,7 +302,7 @@ static void gpio_irq_disable(struct irq_data *d) writel_relaxed(mask, &g->clr_rising); } -static void gpio_irq_enable(struct irq_data *d) +static void gpio_irq_unmask(struct irq_data *d) { struct davinci_gpio_regs __iomem *g = irq2regs(d); uintptr_t mask = (uintptr_t)irq_data_get_irq_handler_data(d); @@ -323,8 +328,8 @@ static int gpio_irq_type(struct irq_data *d, unsigned trigger) static struct irq_chip gpio_irqchip = { .name = "GPIO", - .irq_enable = gpio_irq_enable, - .irq_disable = gpio_irq_disable, + .irq_unmask = gpio_irq_unmask, + .irq_mask = gpio_irq_mask, .irq_set_type = gpio_irq_type, .flags = IRQCHIP_SET_TYPE_MASKED | IRQCHIP_SKIP_SET_WAKE, }; diff --git a/drivers/gpio/gpio-rockchip.c b/drivers/gpio/gpio-rockchip.c index a197f698ef..d331745da1 100644 --- a/drivers/gpio/gpio-rockchip.c +++ b/drivers/gpio/gpio-rockchip.c @@ -708,6 +708,7 @@ static int rockchip_gpio_probe(struct platform_device *pdev) return -ENODEV; pctldev = of_pinctrl_get(pctlnp); + of_node_put(pctlnp); if (!pctldev) return -EPROBE_DEFER; diff --git a/drivers/gpio/gpio-tqmx86.c b/drivers/gpio/gpio-tqmx86.c index 5b103221b5..02cf4e258b 100644 --- a/drivers/gpio/gpio-tqmx86.c +++ b/drivers/gpio/gpio-tqmx86.c @@ -27,16 +27,20 @@ #define TQMX86_GPIIC 3 /* GPI Interrupt Configuration Register */ #define TQMX86_GPIIS 4 /* GPI Interrupt Status Register */ +#define TQMX86_GPII_NONE 0 #define TQMX86_GPII_FALLING BIT(0) #define TQMX86_GPII_RISING BIT(1) #define TQMX86_GPII_MASK (BIT(0) | BIT(1)) #define TQMX86_GPII_BITS 2 +/* Stored in irq_type with GPII bits */ +#define TQMX86_INT_UNMASKED BIT(2) struct tqmx86_gpio_data { struct gpio_chip chip; struct irq_chip irq_chip; void __iomem *io_base; int irq; + /* Lock must be held for accessing output and irq_type fields */ raw_spinlock_t spinlock; u8 irq_type[TQMX86_NGPI]; }; @@ -107,20 +111,30 @@ static int tqmx86_gpio_get_direction(struct gpio_chip *chip, return GPIO_LINE_DIRECTION_OUT; } +static void tqmx86_gpio_irq_config(struct tqmx86_gpio_data *gpio, int offset) + __must_hold(&gpio->spinlock) +{ + u8 type = TQMX86_GPII_NONE, gpiic; + + if (gpio->irq_type[offset] & TQMX86_INT_UNMASKED) + type = gpio->irq_type[offset] & TQMX86_GPII_MASK; + + gpiic = tqmx86_gpio_read(gpio, TQMX86_GPIIC); + gpiic &= ~(TQMX86_GPII_MASK << (offset * TQMX86_GPII_BITS)); + gpiic |= type << (offset * TQMX86_GPII_BITS); + tqmx86_gpio_write(gpio, gpiic, TQMX86_GPIIC); +} + static void tqmx86_gpio_irq_mask(struct irq_data *data) { unsigned int offset = (data->hwirq - TQMX86_NGPO); struct tqmx86_gpio_data *gpio = gpiochip_get_data( irq_data_get_irq_chip_data(data)); unsigned long flags; - u8 gpiic, mask; - - mask = TQMX86_GPII_MASK << (offset * TQMX86_GPII_BITS); raw_spin_lock_irqsave(&gpio->spinlock, flags); - gpiic = tqmx86_gpio_read(gpio, TQMX86_GPIIC); - gpiic &= ~mask; - tqmx86_gpio_write(gpio, gpiic, TQMX86_GPIIC); + gpio->irq_type[offset] &= ~TQMX86_INT_UNMASKED; + tqmx86_gpio_irq_config(gpio, offset); raw_spin_unlock_irqrestore(&gpio->spinlock, flags); } @@ -130,15 +144,10 @@ static void tqmx86_gpio_irq_unmask(struct irq_data *data) struct tqmx86_gpio_data *gpio = gpiochip_get_data( irq_data_get_irq_chip_data(data)); unsigned long flags; - u8 gpiic, mask; - - mask = TQMX86_GPII_MASK << (offset * TQMX86_GPII_BITS); raw_spin_lock_irqsave(&gpio->spinlock, flags); - gpiic = tqmx86_gpio_read(gpio, TQMX86_GPIIC); - gpiic &= ~mask; - gpiic |= gpio->irq_type[offset] << (offset * TQMX86_GPII_BITS); - tqmx86_gpio_write(gpio, gpiic, TQMX86_GPIIC); + gpio->irq_type[offset] |= TQMX86_INT_UNMASKED; + tqmx86_gpio_irq_config(gpio, offset); raw_spin_unlock_irqrestore(&gpio->spinlock, flags); } @@ -149,7 +158,7 @@ static int tqmx86_gpio_irq_set_type(struct irq_data *data, unsigned int type) unsigned int offset = (data->hwirq - TQMX86_NGPO); unsigned int edge_type = type & IRQF_TRIGGER_MASK; unsigned long flags; - u8 new_type, gpiic; + u8 new_type; switch (edge_type) { case IRQ_TYPE_EDGE_RISING: @@ -165,13 +174,10 @@ static int tqmx86_gpio_irq_set_type(struct irq_data *data, unsigned int type) return -EINVAL; /* not supported */ } - gpio->irq_type[offset] = new_type; - raw_spin_lock_irqsave(&gpio->spinlock, flags); - gpiic = tqmx86_gpio_read(gpio, TQMX86_GPIIC); - gpiic &= ~((TQMX86_GPII_MASK) << (offset * TQMX86_GPII_BITS)); - gpiic |= new_type << (offset * TQMX86_GPII_BITS); - tqmx86_gpio_write(gpio, gpiic, TQMX86_GPIIC); + gpio->irq_type[offset] &= ~TQMX86_GPII_MASK; + gpio->irq_type[offset] |= new_type; + tqmx86_gpio_irq_config(gpio, offset); raw_spin_unlock_irqrestore(&gpio->spinlock, flags); return 0; diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c index 1db991cb2e..fe0926ce00 100644 --- a/drivers/gpio/gpiolib-cdev.c +++ b/drivers/gpio/gpiolib-cdev.c @@ -127,6 +127,10 @@ struct linehandle_state { GPIOHANDLE_REQUEST_OPEN_DRAIN | \ GPIOHANDLE_REQUEST_OPEN_SOURCE) +#define GPIOHANDLE_REQUEST_DIRECTION_FLAGS \ + (GPIOHANDLE_REQUEST_INPUT | \ + GPIOHANDLE_REQUEST_OUTPUT) + static int linehandle_validate_flags(u32 flags) { /* Return an error if an unknown flag is set */ @@ -207,21 +211,21 @@ static long linehandle_set_config(struct linehandle_state *lh, if (ret) return ret; + /* Lines must be reconfigured explicitly as input or output. */ + if (!(lflags & GPIOHANDLE_REQUEST_DIRECTION_FLAGS)) + return -EINVAL; + for (i = 0; i < lh->num_descs; i++) { desc = lh->descs[i]; - linehandle_flags_to_desc_flags(gcnf.flags, &desc->flags); + linehandle_flags_to_desc_flags(lflags, &desc->flags); - /* - * Lines have to be requested explicitly for input - * or output, else the line will be treated "as is". - */ if (lflags & GPIOHANDLE_REQUEST_OUTPUT) { int val = !!gcnf.default_values[i]; ret = gpiod_direction_output(desc, val); if (ret) return ret; - } else if (lflags & GPIOHANDLE_REQUEST_INPUT) { + } else { ret = gpiod_direction_input(desc); if (ret) return ret; @@ -1182,15 +1186,18 @@ static long linereq_set_config_unlocked(struct linereq *lr, for (i = 0; i < lr->num_lines; i++) { desc = lr->lines[i].desc; flags = gpio_v2_line_config_flags(lc, i); + /* + * Lines not explicitly reconfigured as input or output + * are left unchanged. + */ + if (!(flags & GPIO_V2_LINE_DIRECTION_FLAGS)) + continue; + polarity_change = (!!test_bit(FLAG_ACTIVE_LOW, &desc->flags) != ((flags & GPIO_V2_LINE_FLAG_ACTIVE_LOW) != 0)); gpio_v2_line_config_flags_to_desc_flags(flags, &desc->flags); - /* - * Lines have to be requested explicitly for input - * or output, else the line will be treated "as is". - */ if (flags & GPIO_V2_LINE_FLAG_OUTPUT) { int val = gpio_v2_line_config_output_value(lc, i); @@ -1198,7 +1205,7 @@ static long linereq_set_config_unlocked(struct linereq *lr, ret = gpiod_direction_output(desc, val); if (ret) return ret; - } else if (flags & GPIO_V2_LINE_FLAG_INPUT) { + } else { ret = gpiod_direction_input(desc); if (ret) return ret; diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 7a96eb626a..608526ce7b 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -130,11 +130,77 @@ bool of_gpio_need_valid_mask(const struct gpio_chip *gc) return false; } +/* + * Overrides stated polarity of a gpio line and warns when there is a + * discrepancy. + */ +static void of_gpio_quirk_polarity(const struct device_node *np, + bool active_high, + enum of_gpio_flags *flags) +{ + if (active_high) { + if (*flags & OF_GPIO_ACTIVE_LOW) { + pr_warn("%s GPIO handle specifies active low - ignored\n", + of_node_full_name(np)); + *flags &= ~OF_GPIO_ACTIVE_LOW; + } + } else { + if (!(*flags & OF_GPIO_ACTIVE_LOW)) + pr_info("%s enforce active low on GPIO handle\n", + of_node_full_name(np)); + *flags |= OF_GPIO_ACTIVE_LOW; + } +} + +/* + * This quirk does static polarity overrides in cases where existing + * DTS specified incorrect polarity. + */ +static void of_gpio_try_fixup_polarity(const struct device_node *np, + const char *propname, + enum of_gpio_flags *flags) +{ + static const struct { + const char *compatible; + const char *propname; + bool active_high; + } gpios[] = { +#if !IS_ENABLED(CONFIG_LCD_HX8357) + /* + * Himax LCD controllers used incorrectly named + * "gpios-reset" property and also specified wrong + * polarity. + */ + { "himax,hx8357", "gpios-reset", false }, + { "himax,hx8369", "gpios-reset", false }, +#endif +#if IS_ENABLED(CONFIG_TOUCHSCREEN_TSC2005) + /* + * DTS for Nokia N900 incorrectly specified "active high" + * polarity for the reset line, while the chip actually + * treats it as "active low". + */ + { "ti,tsc2005", "reset-gpios", false }, +#endif + }; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(gpios); i++) { + if (of_device_is_compatible(np, gpios[i].compatible) && + !strcmp(propname, gpios[i].propname)) { + of_gpio_quirk_polarity(np, gpios[i].active_high, flags); + break; + } + } +} + static void of_gpio_flags_quirks(const struct device_node *np, const char *propname, enum of_gpio_flags *flags, int index) { + of_gpio_try_fixup_polarity(np, propname, flags); + /* * Some GPIO fixed regulator quirks. * Note that active low is the default. @@ -145,7 +211,7 @@ static void of_gpio_flags_quirks(const struct device_node *np, (!(strcmp(propname, "enable-gpio") && strcmp(propname, "enable-gpios")) && of_device_is_compatible(np, "regulator-gpio")))) { - bool active_low = !of_property_read_bool(np, + bool active_high = of_property_read_bool(np, "enable-active-high"); /* * The regulator GPIO handles are specified such that the @@ -153,13 +219,7 @@ static void of_gpio_flags_quirks(const struct device_node *np, * the polarity of the GPIO line. Any phandle flags must * be actively ignored. */ - if ((*flags & OF_GPIO_ACTIVE_LOW) && !active_low) { - pr_warn("%s GPIO handle specifies active low - ignored\n", - of_node_full_name(np)); - *flags &= ~OF_GPIO_ACTIVE_LOW; - } - if (active_low) - *flags |= OF_GPIO_ACTIVE_LOW; + of_gpio_quirk_polarity(np, active_high, flags); } /* * Legacy open drain handling for fixed voltage regulators. @@ -200,18 +260,10 @@ static void of_gpio_flags_quirks(const struct device_node *np, * conflict and the "spi-cs-high" flag will * take precedence. */ - if (of_property_read_bool(child, "spi-cs-high")) { - if (*flags & OF_GPIO_ACTIVE_LOW) { - pr_warn("%s GPIO handle specifies active low - ignored\n", - of_node_full_name(child)); - *flags &= ~OF_GPIO_ACTIVE_LOW; - } - } else { - if (!(*flags & OF_GPIO_ACTIVE_LOW)) - pr_info("%s enforce active low on chipselect handle\n", - of_node_full_name(child)); - *flags |= OF_GPIO_ACTIVE_LOW; - } + bool active_high = of_property_read_bool(child, + "spi-cs-high"); + of_gpio_quirk_polarity(child, active_high, + flags); of_node_put(child); break; } diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 34a061b4be..5eb4edcf03 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -5,6 +5,7 @@ #include #include #include +#include #include #include #include @@ -146,7 +147,7 @@ struct gpio_desc *gpiochip_get_desc(struct gpio_chip *gc, if (hwnum >= gdev->ngpio) return ERR_PTR(-EINVAL); - return &gdev->descs[hwnum]; + return &gdev->descs[array_index_nospec(hwnum, gdev->ngpio)]; } EXPORT_SYMBOL_GPL(gpiochip_get_desc); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index 6cded09d58..592ca0cfe6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -108,6 +108,7 @@ static union acpi_object *amdgpu_atif_call(struct amdgpu_atif *atif, struct acpi_buffer *params) { acpi_status status; + union acpi_object *obj; union acpi_object atif_arg_elements[2]; struct acpi_object_list atif_arg; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; @@ -130,16 +131,24 @@ static union acpi_object *amdgpu_atif_call(struct amdgpu_atif *atif, status = acpi_evaluate_object(atif->handle, NULL, &atif_arg, &buffer); + obj = (union acpi_object *)buffer.pointer; - /* Fail only if calling the method fails and ATIF is supported */ - if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { + /* Fail if calling the method fails */ + if (ACPI_FAILURE(status)) { DRM_DEBUG_DRIVER("failed to evaluate ATIF got %s\n", acpi_format_exception(status)); - kfree(buffer.pointer); + kfree(obj); return NULL; } - return buffer.pointer; + if (obj->type != ACPI_TYPE_BUFFER) { + DRM_DEBUG_DRIVER("bad object returned from ATIF: %d\n", + obj->type); + kfree(obj); + return NULL; + } + + return obj; } /** diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_afmt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_afmt.c index a4d65973bf..80771b1480 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_afmt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_afmt.c @@ -100,6 +100,7 @@ struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock) amdgpu_afmt_calc_cts(clock, &res.cts_32khz, &res.n_32khz, 32000); amdgpu_afmt_calc_cts(clock, &res.cts_44_1khz, &res.n_44_1khz, 44100); amdgpu_afmt_calc_cts(clock, &res.cts_48khz, &res.n_48khz, 48000); + res.clock = clock; return res; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 96b7bb13a2..07b1d2460a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -1475,6 +1475,8 @@ int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev, (u32)le32_to_cpu(*((u32 *)reg_data + j)); j++; } else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) { + if (i == 0) + continue; reg_table->mc_reg_table_entry[num_ranges].mc_data[i] = reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1]; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index f1a0503791..682de88cf9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -213,6 +213,9 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device, struct amdgpu_firmware_info *ucode; id = fw_type_convert(cgs_device, type); + if (id >= AMDGPU_UCODE_ID_MAXIMUM) + return -EINVAL; + ucode = &adev->firmware.ucode[id]; if (ucode->fw == NULL) return -EINVAL; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c index e7a010b7ca..347e97b4b5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c @@ -413,16 +413,24 @@ int amdgpu_ctx_ioctl(struct drm_device *dev, void *data, switch (args->in.op) { case AMDGPU_CTX_OP_ALLOC_CTX: + if (args->in.flags) + return -EINVAL; r = amdgpu_ctx_alloc(adev, fpriv, filp, priority, &id); args->out.alloc.ctx_id = id; break; case AMDGPU_CTX_OP_FREE_CTX: + if (args->in.flags) + return -EINVAL; r = amdgpu_ctx_free(fpriv, id); break; case AMDGPU_CTX_OP_QUERY_STATE: + if (args->in.flags) + return -EINVAL; r = amdgpu_ctx_query(adev, fpriv, id, &args->out); break; case AMDGPU_CTX_OP_QUERY_STATE2: + if (args->in.flags) + return -EINVAL; r = amdgpu_ctx_query2(adev, fpriv, id, &args->out); break; default: diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index aa057ceecf..2ca7a5d5ea 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -401,7 +401,7 @@ static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user ssize_t result = 0; int r; - if (size & 0x3 || *pos & 0x3) + if (size > 4096 || size & 0x3 || *pos & 0x3) return -EINVAL; if (!adev->didt_wreg) @@ -1523,11 +1523,11 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev) amdgpu_securedisplay_debugfs_init(adev); amdgpu_fw_attestation_debugfs_init(adev); - debugfs_create_file("amdgpu_evict_vram", 0444, root, adev, + debugfs_create_file("amdgpu_evict_vram", 0400, root, adev, &amdgpu_evict_vram_fops); - debugfs_create_file("amdgpu_evict_gtt", 0444, root, adev, + debugfs_create_file("amdgpu_evict_gtt", 0400, root, adev, &amdgpu_evict_gtt_fops); - debugfs_create_file("amdgpu_test_ib", 0444, root, adev, + debugfs_create_file("amdgpu_test_ib", 0400, root, adev, &amdgpu_debugfs_test_ib_fops); debugfs_create_file("amdgpu_vm_info", 0444, root, adev, &amdgpu_debugfs_vm_info_fops); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 5f6c32ec67..042f27af68 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -4406,7 +4406,8 @@ static int amdgpu_device_recover_vram(struct amdgpu_device *adev) shadow = vmbo->shadow; /* No need to recover an evicted BO */ - if (shadow->tbo.resource->mem_type != TTM_PL_TT || + if (!shadow->tbo.resource || + shadow->tbo.resource->mem_type != TTM_PL_TT || shadow->tbo.resource->start == AMDGPU_BO_INVALID_OFFSET || shadow->parent->tbo.resource->mem_type != TTM_PL_VRAM) continue; @@ -5531,7 +5532,7 @@ int amdgpu_device_baco_exit(struct drm_device *dev) adev->nbio.funcs->enable_doorbell_interrupt) adev->nbio.funcs->enable_doorbell_interrupt(adev, true); - if (amdgpu_passthrough(adev) && + if (amdgpu_passthrough(adev) && adev->nbio.funcs && adev->nbio.funcs->clear_doorbell_interrupt) adev->nbio.funcs->clear_doorbell_interrupt(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index 11413b3e80..1f7ddb6538 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -842,8 +842,7 @@ static int check_tiling_flags_gfx6(struct amdgpu_framebuffer *afb) { u64 micro_tile_mode; - /* Zero swizzle mode means linear */ - if (AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE) == 0) + if (AMDGPU_TILING_GET(afb->tiling_flags, ARRAY_MODE) == 1) /* LINEAR_ALIGNED */ return 0; micro_tile_mode = AMDGPU_TILING_GET(afb->tiling_flags, MICRO_TILE_MODE); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c index 4d9eb0137f..48652c2a17 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c @@ -177,7 +177,7 @@ static int __amdgpu_eeprom_xfer(struct i2c_adapter *i2c_adap, u32 eeprom_addr, * Returns the number of bytes read/written; -errno on error. */ static int amdgpu_eeprom_xfer(struct i2c_adapter *i2c_adap, u32 eeprom_addr, - u8 *eeprom_buf, u16 buf_size, bool read) + u8 *eeprom_buf, u32 buf_size, bool read) { const struct i2c_adapter_quirks *quirks = i2c_adap->quirks; u16 limit; @@ -224,7 +224,7 @@ static int amdgpu_eeprom_xfer(struct i2c_adapter *i2c_adap, u32 eeprom_addr, int amdgpu_eeprom_read(struct i2c_adapter *i2c_adap, u32 eeprom_addr, u8 *eeprom_buf, - u16 bytes) + u32 bytes) { return amdgpu_eeprom_xfer(i2c_adap, eeprom_addr, eeprom_buf, bytes, true); @@ -232,7 +232,7 @@ int amdgpu_eeprom_read(struct i2c_adapter *i2c_adap, int amdgpu_eeprom_write(struct i2c_adapter *i2c_adap, u32 eeprom_addr, u8 *eeprom_buf, - u16 bytes) + u32 bytes) { return amdgpu_eeprom_xfer(i2c_adap, eeprom_addr, eeprom_buf, bytes, false); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.h index 6935adb2be..8083b8253e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.h @@ -28,10 +28,10 @@ int amdgpu_eeprom_read(struct i2c_adapter *i2c_adap, u32 eeprom_addr, u8 *eeprom_buf, - u16 bytes); + u32 bytes); int amdgpu_eeprom_write(struct i2c_adapter *i2c_adap, u32 eeprom_addr, u8 *eeprom_buf, - u16 bytes); + u32 bytes); #endif diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c index cc2e0c9cfe..c04f458db9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c @@ -494,6 +494,14 @@ void amdgpu_irq_dispatch(struct amdgpu_device *adev, entry.ih = ih; entry.iv_entry = (const uint32_t *)&ih->ring[ring_index]; + + /* + * timestamp is not supported on some legacy SOCs (cik, cz, iceland, + * si and tonga), so initialize timestamp and timestamp_src to 0 + */ + entry.timestamp = 0; + entry.timestamp_src = 0; + amdgpu_ih_decode_iv(adev, &entry); trace_amdgpu_iv(ih - &adev->irq.ih, &entry); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index f305a0f8e9..a8b7f0aeac 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -1178,6 +1178,9 @@ static void psp_xgmi_reflect_topology_info(struct psp_context *psp, uint8_t dst_num_links = node_info.num_links; hive = amdgpu_get_xgmi_hive(psp->adev); + if (WARN_ON(!hive)) + return; + list_for_each_entry(mirror_adev, &hive->device_list, gmc.xgmi.head) { struct psp_xgmi_topology_info *mirror_top_info; int j; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index c963b87014..92a4f07858 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -1509,12 +1509,15 @@ static void amdgpu_ras_interrupt_process_handler(struct work_struct *work) int amdgpu_ras_interrupt_dispatch(struct amdgpu_device *adev, struct ras_dispatch_if *info) { - struct ras_manager *obj = amdgpu_ras_find_obj(adev, &info->head); - struct ras_ih_data *data = &obj->ih_data; + struct ras_manager *obj; + struct ras_ih_data *data; + obj = amdgpu_ras_find_obj(adev, &info->head); if (!obj) return -EINVAL; + data = &obj->ih_data; + if (data->inuse == 0) return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 0554576d36..de05b7f864 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -263,7 +263,7 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, ring->max_dw = max_dw; ring->hw_prio = hw_prio; - if (!ring->no_scheduler) { + if (!ring->no_scheduler && ring->funcs->type < AMDGPU_HW_IP_NUM) { hw_ip = ring->funcs->type; num_sched = &adev->gpu_sched[hw_ip][hw_prio].num_scheds; adev->gpu_sched[hw_ip][hw_prio].sched[(*num_sched)++] = @@ -367,8 +367,9 @@ static ssize_t amdgpu_debugfs_ring_read(struct file *f, char __user *buf, size_t size, loff_t *pos) { struct amdgpu_ring *ring = file_inode(f)->i_private; - int r, i; uint32_t value, result, early[3]; + loff_t i; + int r; if (*pos & 3 || size & 3) return -EINVAL; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c index 8e8dee9fac..9f7450a8d0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c @@ -733,7 +733,8 @@ int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx) uint32_t created = 0; uint32_t allocated = 0; uint32_t tmp, handle = 0; - uint32_t *size = &tmp; + uint32_t dummy = 0xffffffff; + uint32_t *size = &dummy; unsigned idx; int i, r = 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index b508126a97..59007024aa 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -122,8 +122,10 @@ int amdgpu_virt_request_full_gpu(struct amdgpu_device *adev, bool init) if (virt->ops && virt->ops->req_full_gpu) { r = virt->ops->req_full_gpu(adev, init); - if (r) + if (r) { + adev->no_hw_access = true; return r; + } adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; } @@ -410,6 +412,8 @@ static void amdgpu_virt_add_bad_page(struct amdgpu_device *adev, uint64_t retired_page; uint32_t bp_idx, bp_cnt; + memset(&bp, 0, sizeof(bp)); + if (bp_block_size) { bp_cnt = bp_block_size / sizeof(uint64_t); for (bp_idx = 0; bp_idx < bp_cnt; bp_idx++) { @@ -584,7 +588,7 @@ static int amdgpu_virt_write_vf2pf_data(struct amdgpu_device *adev) vf2pf_info->checksum = amd_sriov_msg_checksum( - vf2pf_info, vf2pf_info->header.size, 0, 0); + vf2pf_info, sizeof(*vf2pf_info), 0, 0); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c index 083f9c637a..fdb03d4111 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c @@ -2,6 +2,7 @@ #include #include +#include #include #include "amdgpu.h" @@ -315,7 +316,13 @@ static int amdgpu_vkms_prepare_fb(struct drm_plane *plane, return 0; } afb = to_amdgpu_framebuffer(new_state->fb); - obj = new_state->fb->obj[0]; + + obj = drm_gem_fb_get_obj(new_state->fb, 0); + if (!obj) { + DRM_ERROR("Failed to get obj from framebuffer\n"); + return -EINVAL; + } + rbo = gem_to_amdgpu_bo(obj); adev = amdgpu_ttm_adev(rbo->tbo.bdev); INIT_LIST_HEAD(&list); @@ -364,12 +371,19 @@ static void amdgpu_vkms_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state) { struct amdgpu_bo *rbo; + struct drm_gem_object *obj; int r; if (!old_state->fb) return; - rbo = gem_to_amdgpu_bo(old_state->fb->obj[0]); + obj = drm_gem_fb_get_obj(old_state->fb, 0); + if (!obj) { + DRM_ERROR("Failed to get obj from framebuffer\n"); + return; + } + + rbo = gem_to_amdgpu_bo(obj); r = amdgpu_bo_reserve(rbo, false); if (unlikely(r)) { DRM_ERROR("failed to reserve rbo before unpin\n"); diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c index 6134ed9640..f32b432283 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c @@ -2089,23 +2089,29 @@ amdgpu_atombios_encoder_get_lcd_info(struct amdgpu_encoder *encoder) fake_edid_record = (ATOM_FAKE_EDID_PATCH_RECORD *)record; if (fake_edid_record->ucFakeEDIDLength) { struct edid *edid; - int edid_size = - max((int)EDID_LENGTH, (int)fake_edid_record->ucFakeEDIDLength); - edid = kmalloc(edid_size, GFP_KERNEL); + int edid_size; + + if (fake_edid_record->ucFakeEDIDLength == 128) + edid_size = fake_edid_record->ucFakeEDIDLength; + else + edid_size = fake_edid_record->ucFakeEDIDLength * 128; + edid = kmemdup(&fake_edid_record->ucFakeEDIDString[0], + edid_size, GFP_KERNEL); if (edid) { - memcpy((u8 *)edid, (u8 *)&fake_edid_record->ucFakeEDIDString[0], - fake_edid_record->ucFakeEDIDLength); - if (drm_edid_is_valid(edid)) { adev->mode_info.bios_hardcoded_edid = edid; adev->mode_info.bios_hardcoded_edid_size = edid_size; - } else + } else { kfree(edid); + } } + record += struct_size(fake_edid_record, + ucFakeEDIDString, + edid_size); + } else { + /* empty fake edid record must be 3 bytes long */ + record += sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1; } - record += fake_edid_record->ucFakeEDIDLength ? - fake_edid_record->ucFakeEDIDLength + 2 : - sizeof(ATOM_FAKE_EDID_PATCH_RECORD); break; case LCD_PANEL_RESOLUTION_RECORD_TYPE: panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record; diff --git a/drivers/gpu/drm/amd/amdgpu/df_v1_7.c b/drivers/gpu/drm/amd/amdgpu/df_v1_7.c index 2d01ac0d4c..2f5af5ddc5 100644 --- a/drivers/gpu/drm/amd/amdgpu/df_v1_7.c +++ b/drivers/gpu/drm/amd/amdgpu/df_v1_7.c @@ -70,6 +70,8 @@ static u32 df_v1_7_get_hbm_channel_number(struct amdgpu_device *adev) int fb_channel_number; fb_channel_number = adev->df.funcs->get_fb_channel_number(adev); + if (fb_channel_number >= ARRAY_SIZE(df_v1_7_channel_number)) + fb_channel_number = 0; return df_v1_7_channel_number[fb_channel_number]; } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index fb37c0d4b3..811cacacc2 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -1274,6 +1274,10 @@ static const struct amdgpu_gfxoff_quirk amdgpu_gfxoff_quirk_list[] = { { 0x1002, 0x15dd, 0x1002, 0x15dd, 0xc6 }, /* Apple MacBook Pro (15-inch, 2019) Radeon Pro Vega 20 4 GB */ { 0x1002, 0x69af, 0x106b, 0x019a, 0xc0 }, + /* https://bbs.openkylin.top/t/topic/171497 */ + { 0x1002, 0x15d8, 0x19e5, 0x3e14, 0xc2 }, + /* HP 705G4 DM with R5 2400G */ + { 0x1002, 0x15dd, 0x103c, 0x8464, 0xd6 }, { 0, 0, 0, 0, 0 }, }; diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c index 85967a5570..df52190b7e 100644 --- a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c @@ -557,11 +557,11 @@ void jpeg_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring, amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_VMID_INTERNAL_OFFSET, 0, 0, PACKETJ_TYPE0)); - amdgpu_ring_write(ring, (vmid | (vmid << 4))); + amdgpu_ring_write(ring, (vmid | (vmid << 4) | (vmid << 8))); amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JPEG_VMID_INTERNAL_OFFSET, 0, 0, PACKETJ_TYPE0)); - amdgpu_ring_write(ring, (vmid | (vmid << 4))); + amdgpu_ring_write(ring, (vmid | (vmid << 4) | (vmid << 8))); amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET, 0, 0, PACKETJ_TYPE0)); diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c index 74cd754372..af1ca5cbc2 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c @@ -370,7 +370,7 @@ static void nbio_v7_4_handle_ras_controller_intr_no_bifring(struct amdgpu_device else WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl); - if (!ras->disable_ras_err_cnt_harvest) { + if (ras && !ras->disable_ras_err_cnt_harvest && obj) { /* * clear error status after ras_controller_intr * according to hw team and count ue number diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index c189e7ae68..a3352b98ce 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -2148,7 +2148,7 @@ static int sdma_v4_0_process_trap_irq(struct amdgpu_device *adev, struct amdgpu_irq_src *source, struct amdgpu_iv_entry *entry) { - uint32_t instance; + int instance; DRM_DEBUG("IH: SDMA trap\n"); instance = sdma_v4_0_irq_id_to_seq(entry->client_id); diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c index 3ed9e8ed35..1a39103ac1 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c @@ -298,6 +298,14 @@ static void sdma_v5_2_ring_set_wptr(struct amdgpu_ring *ring) DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", ring->doorbell_index, ring->wptr << 2); WDOORBELL64(ring->doorbell_index, ring->wptr << 2); + /* SDMA seems to miss doorbells sometimes when powergating kicks in. + * Updating the wptr directly will wake it. This is only safe because + * we disallow gfxoff in begin_use() and then allow it again in end_use(). + */ + WREG32(sdma_v5_2_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR), + lower_32_bits(ring->wptr << 2)); + WREG32(sdma_v5_2_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI), + upper_32_bits(ring->wptr << 2)); } else { DRM_DEBUG("Not using doorbell -- " "mmSDMA%i_GFX_RB_WPTR == 0x%08x " @@ -1675,6 +1683,10 @@ static void sdma_v5_2_ring_begin_use(struct amdgpu_ring *ring) * but it shouldn't hurt for other parts since * this GFXOFF will be disallowed anyway when SDMA is * active, this just makes it explicit. + * sdma_v5_2_ring_set_wptr() takes advantage of this + * to update the wptr because sometimes SDMA seems to miss + * doorbells when entering PG. If you remove this, update + * sdma_v5_2_ring_set_wptr() as well! */ amdgpu_gfx_off_ctrl(adev, false); } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index 88f9e1aa51..34c466e8ee 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -1290,7 +1290,7 @@ static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep, goto err_unlock; } offset = amdgpu_amdkfd_get_mmio_remap_phys_addr(dev->kgd); - if (!offset) { + if (!offset || (PAGE_SIZE > 4096)) { err = -ENOMEM; goto err_unlock; } @@ -2029,6 +2029,9 @@ static int kfd_mmio_mmap(struct kfd_dev *dev, struct kfd_process *process, if (vma->vm_end - vma->vm_start != PAGE_SIZE) return -EINVAL; + if (PAGE_SIZE > 4096) + return -EINVAL; + address = amdgpu_amdkfd_get_mmio_remap_phys_addr(dev->kgd); vma->vm_flags |= VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_NORESERVE | diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.h b/drivers/gpu/drm/amd/amdkfd/kfd_crat.h index d54ceebd34..30c70b3ab1 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.h @@ -42,8 +42,6 @@ #define CRAT_OEMTABLEID_LENGTH 8 #define CRAT_RESERVED_LENGTH 6 -#define CRAT_OEMID_64BIT_MASK ((1ULL << (CRAT_OEMID_LENGTH * 8)) - 1) - /* Compute Unit flags */ #define COMPUTE_UNIT_CPU (1 << 0) /* Create Virtual CRAT for CPU */ #define COMPUTE_UNIT_GPU (1 << 1) /* Create Virtual CRAT for GPU */ diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c index 98cca5f2b2..59e7ca0e84 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c @@ -910,8 +910,7 @@ static void kfd_update_system_properties(void) dev = list_last_entry(&topology_device_list, struct kfd_topology_device, list); if (dev) { - sys_props.platform_id = - (*((uint64_t *)dev->oem_id)) & CRAT_OEMID_64BIT_MASK; + sys_props.platform_id = dev->oem_id64; sys_props.platform_oem = *((uint64_t *)dev->oem_table_id); sys_props.platform_rev = dev->oem_revision; } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h index a8db017c9b..c2dbd75b91 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h @@ -184,7 +184,10 @@ struct kfd_topology_device { struct attribute attr_gpuid; struct attribute attr_name; struct attribute attr_props; - uint8_t oem_id[CRAT_OEMID_LENGTH]; + union { + uint8_t oem_id[CRAT_OEMID_LENGTH]; + uint64_t oem_id64; + }; uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH]; uint32_t oem_revision; }; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index b821abb56a..bfa15d8959 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -697,6 +697,12 @@ void dmub_hpd_callback(struct amdgpu_device *adev, struct dmub_notification *not return; } + /* Skip DMUB HPD IRQ in suspend/resume. We will probe them later. */ + if (notify->type == DMUB_NOTIFICATION_HPD && adev->in_suspend) { + DRM_INFO("Skip DMUB HPD IRQ callback in suspend/resume\n"); + return; + } + link_index = notify->link_index; link = adev->dm.dc->links[link_index]; dev = adev->dm.ddev; @@ -2431,7 +2437,8 @@ static int dm_suspend(void *handle) dm->cached_dc_state = dc_copy_state(dm->dc->current_state); - dm_gpureset_toggle_interrupts(adev, dm->cached_dc_state, false); + if (dm->cached_dc_state) + dm_gpureset_toggle_interrupts(adev, dm->cached_dc_state, false); amdgpu_dm_commit_zero_streams(dm->dc); @@ -3905,6 +3912,7 @@ static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev) #define AMDGPU_DM_DEFAULT_MIN_BACKLIGHT 12 #define AMDGPU_DM_DEFAULT_MAX_BACKLIGHT 255 +#define AMDGPU_DM_MIN_SPREAD ((AMDGPU_DM_DEFAULT_MAX_BACKLIGHT - AMDGPU_DM_DEFAULT_MIN_BACKLIGHT) / 2) #define AUX_BL_DEFAULT_TRANSITION_TIME_MS 50 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\ @@ -3922,6 +3930,21 @@ static void amdgpu_dm_update_backlight_caps(struct amdgpu_display_manager *dm, return; amdgpu_acpi_get_backlight_caps(&caps); + + /* validate the firmware value is sane */ + if (caps.caps_valid) { + int spread = caps.max_input_signal - caps.min_input_signal; + + if (caps.max_input_signal > AMDGPU_DM_DEFAULT_MAX_BACKLIGHT || + caps.min_input_signal < 0 || + spread > AMDGPU_DM_DEFAULT_MAX_BACKLIGHT || + spread < AMDGPU_DM_MIN_SPREAD) { + DRM_DEBUG_KMS("DM: Invalid backlight caps: min=%d, max=%d\n", + caps.min_input_signal, caps.max_input_signal); + caps.caps_valid = false; + } + } + if (caps.caps_valid) { dm->backlight_caps[bl_idx].caps_valid = true; if (caps.aux_support) @@ -4210,7 +4233,10 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) /* There is one primary plane per CRTC */ primary_planes = dm->dc->caps.max_streams; - ASSERT(primary_planes <= AMDGPU_MAX_PLANES); + if (primary_planes > AMDGPU_MAX_PLANES) { + DRM_ERROR("DM: Plane nums out of 6 planes\n"); + return -EINVAL; + } /* * Initialize primary planes, implicit planes for legacy IOCTLS. @@ -6884,7 +6910,8 @@ static void create_eml_sink(struct amdgpu_dm_connector *aconnector) aconnector->dc_sink = aconnector->dc_link->local_sink ? aconnector->dc_link->local_sink : aconnector->dc_em_sink; - dc_sink_retain(aconnector->dc_sink); + if (aconnector->dc_sink) + dc_sink_retain(aconnector->dc_sink); } } @@ -8218,7 +8245,8 @@ static int amdgpu_dm_connector_get_modes(struct drm_connector *connector) drm_add_modes_noedid(connector, 640, 480); } else { amdgpu_dm_connector_ddc_get_modes(connector, edid); - amdgpu_dm_connector_add_common_modes(encoder, connector); + if (encoder) + amdgpu_dm_connector_add_common_modes(encoder, connector); amdgpu_dm_connector_add_freesync_modes(connector, edid); } amdgpu_dm_fbc_init(connector); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index ed2f6802b0..8ccd43ec68 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -1315,14 +1315,11 @@ static ssize_t dp_dsc_clock_en_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; - } - - if (!pipe_ctx) { - kfree(rd_buf); - return -ENXIO; + if (pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) + break; } dsc = pipe_ctx->stream_res.dsc; @@ -1421,12 +1418,14 @@ static ssize_t dp_dsc_clock_en_write(struct file *f, const char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) + break; } - if (!pipe_ctx || !pipe_ctx->stream) + if (!pipe_ctx->stream) goto done; // Get CRTC state @@ -1506,14 +1505,11 @@ static ssize_t dp_dsc_slice_width_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; - } - - if (!pipe_ctx) { - kfree(rd_buf); - return -ENXIO; + if (pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) + break; } dsc = pipe_ctx->stream_res.dsc; @@ -1610,12 +1606,14 @@ static ssize_t dp_dsc_slice_width_write(struct file *f, const char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) + break; } - if (!pipe_ctx || !pipe_ctx->stream) + if (!pipe_ctx->stream) goto done; // Safely get CRTC state @@ -1695,14 +1693,11 @@ static ssize_t dp_dsc_slice_height_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; - } - - if (!pipe_ctx) { - kfree(rd_buf); - return -ENXIO; + if (pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) + break; } dsc = pipe_ctx->stream_res.dsc; @@ -1799,12 +1794,14 @@ static ssize_t dp_dsc_slice_height_write(struct file *f, const char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) + break; } - if (!pipe_ctx || !pipe_ctx->stream) + if (!pipe_ctx->stream) goto done; // Get CRTC state @@ -1880,14 +1877,11 @@ static ssize_t dp_dsc_bits_per_pixel_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; - } - - if (!pipe_ctx) { - kfree(rd_buf); - return -ENXIO; + if (pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) + break; } dsc = pipe_ctx->stream_res.dsc; @@ -1981,12 +1975,14 @@ static ssize_t dp_dsc_bits_per_pixel_write(struct file *f, const char __user *bu for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) + break; } - if (!pipe_ctx || !pipe_ctx->stream) + if (!pipe_ctx->stream) goto done; // Get CRTC state @@ -2060,14 +2056,11 @@ static ssize_t dp_dsc_pic_width_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; - } - - if (!pipe_ctx) { - kfree(rd_buf); - return -ENXIO; + if (pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) + break; } dsc = pipe_ctx->stream_res.dsc; @@ -2121,14 +2114,11 @@ static ssize_t dp_dsc_pic_height_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; - } - - if (!pipe_ctx) { - kfree(rd_buf); - return -ENXIO; + if (pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) + break; } dsc = pipe_ctx->stream_res.dsc; @@ -2197,14 +2187,11 @@ static ssize_t dp_dsc_chunk_size_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; - } - - if (!pipe_ctx) { - kfree(rd_buf); - return -ENXIO; + if (pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) + break; } dsc = pipe_ctx->stream_res.dsc; @@ -2273,14 +2260,11 @@ static ssize_t dp_dsc_slice_bpg_offset_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; - } - - if (!pipe_ctx) { - kfree(rd_buf); - return -ENXIO; + if (pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) + break; } dsc = pipe_ctx->stream_res.dsc; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 0b58a93864..38e59fff4c 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -227,7 +227,7 @@ static bool validate_dsc_caps_on_connector(struct amdgpu_dm_connector *aconnecto aconnector->dsc_aux = &aconnector->mst_port->dm_dp_aux.aux; /* synaptics cascaded MST hub case */ - if (!aconnector->dsc_aux && is_synaptics_cascaded_panamera(aconnector->dc_link, port)) + if (is_synaptics_cascaded_panamera(aconnector->dc_link, port)) aconnector->dsc_aux = port->mgr->aux; if (!aconnector->dsc_aux) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c index 6185f9475f..afce8f3bc6 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c @@ -489,7 +489,8 @@ static void build_watermark_ranges(struct clk_bw_params *bw_params, struct pp_sm ranges->reader_wm_sets[num_valid_sets].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX; /* Modify previous watermark range to cover up to max */ - ranges->reader_wm_sets[num_valid_sets - 1].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX; + if (num_valid_sets > 0) + ranges->reader_wm_sets[num_valid_sets - 1].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX; } num_valid_sets++; } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index ef151a1bc3..d3d638252e 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1107,6 +1107,7 @@ struct dc *dc_create(const struct dc_init_data *init_params) return NULL; if (init_params->dce_environment == DCE_ENV_VIRTUAL_HW) { + dc->caps.linear_pitch_alignment = 64; if (!dc_construct_ctx(dc, init_params)) goto destruct_dc; } else { @@ -1463,7 +1464,7 @@ bool dc_validate_seamless_boot_timing(const struct dc *dc, if (crtc_timing->pix_clk_100hz != pix_clk_100hz) return false; - if (!se->funcs->dp_get_pixel_format) + if (!se || !se->funcs->dp_get_pixel_format) return false; if (!se->funcs->dp_get_pixel_format( @@ -3026,7 +3027,8 @@ static void commit_planes_for_stream(struct dc *dc, dc->hwss.pipe_control_lock(dc, top_pipe_to_program, false); if ((update_type != UPDATE_TYPE_FAST) && stream->update_flags.bits.dsc_changed) - if (top_pipe_to_program->stream_res.tg->funcs->lock_doublebuffer_enable) { + if (top_pipe_to_program && + top_pipe_to_program->stream_res.tg->funcs->lock_doublebuffer_enable) { top_pipe_to_program->stream_res.tg->funcs->wait_for_state( top_pipe_to_program->stream_res.tg, CRTC_STATE_VACTIVE); @@ -3669,7 +3671,8 @@ void dc_allow_idle_optimizations(struct dc *dc, bool allow) if (allow == dc->idle_optimizations_allowed) return; - if (dc->hwss.apply_idle_power_optimizations && dc->hwss.apply_idle_power_optimizations(dc, allow)) + if (dc->hwss.apply_idle_power_optimizations && dc->clk_mgr != NULL && + dc->hwss.apply_idle_power_optimizations(dc, allow)) dc->idle_optimizations_allowed = allow; } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index fa4d671b5b..3d126acaf5 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -1623,6 +1623,8 @@ static bool are_stream_backends_same( bool dc_is_stream_unchanged( struct dc_stream_state *old_stream, struct dc_stream_state *stream) { + if (!old_stream || !stream) + return false; if (!are_stream_backends_same(old_stream, stream)) return false; @@ -1728,6 +1730,9 @@ static struct audio *find_first_free_audio( { int i, available_audio_count; + if (id == ENGINE_ID_UNKNOWN) + return NULL; + available_audio_count = pool->audio_count; for (i = 0; i < available_audio_count; i++) { diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c index e6b9c6a718..c8e21c9d2e 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c @@ -154,7 +154,8 @@ const struct dc_plane_status *dc_plane_get_status( if (pipe_ctx->plane_state != plane_state) continue; - pipe_ctx->plane_state->status.is_flip_pending = false; + if (pipe_ctx->plane_state) + pipe_ctx->plane_state->status.is_flip_pending = false; break; } diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c index bd9bc51983..da7aeb9c46 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c @@ -560,6 +560,8 @@ bool cm_helper_translate_curve_to_degamma_hw_format( i += increment) { if (j == hw_points - 1) break; + if (i >= TRANSFER_FUNC_POINTS) + return false; rgb_resulted[j].red = output_tf->tf_pts.red[i]; rgb_resulted[j].green = output_tf->tf_pts.green[i]; rgb_resulted[j].blue = output_tf->tf_pts.blue[i]; diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c index cf364ae931..d0799c426a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c @@ -644,6 +644,12 @@ void enc1_stream_encoder_set_throttled_vcp_size( x), 26)); + // If y rounds up to integer, carry it over to x. + if (y >> 26) { + x += 1; + y = 0; + } + REG_SET_2(DP_MSE_RATE_CNTL, 0, DP_MSE_RATE_X, x, DP_MSE_RATE_Y, y); diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c index 880954ac0b..1b3cba5b1d 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c @@ -690,6 +690,9 @@ static void wbscl_set_scaler_filter( int pair; uint16_t odd_coef, even_coef; + if (!filter) + return; + for (phase = 0; phase < (NUM_PHASES / 2 + 1); phase++) { for (pair = 0; pair < tap_pairs; pair++) { even_coef = filter[phase * taps + 2 * pair]; diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c index e0df9b0065..62c02adae7 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c @@ -178,6 +178,8 @@ bool cm3_helper_translate_curve_to_hw_format( i += increment) { if (j == hw_points - 1) break; + if (i >= TRANSFER_FUNC_POINTS) + return false; rgb_resulted[j].red = output_tf->tf_pts.red[i]; rgb_resulted[j].green = output_tf->tf_pts.green[i]; rgb_resulted[j].blue = output_tf->tf_pts.blue[i]; @@ -355,6 +357,8 @@ bool cm3_helper_translate_curve_to_degamma_hw_format( i += increment) { if (j == hw_points - 1) break; + if (i >= TRANSFER_FUNC_POINTS) + return false; rgb_resulted[j].red = output_tf->tf_pts.red[i]; rgb_resulted[j].green = output_tf->tf_pts.green[i]; rgb_resulted[j].blue = output_tf->tf_pts.blue[i]; diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c index 8d8114ee67..81547178a9 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c @@ -212,7 +212,11 @@ bool dcn30_set_output_transfer_func(struct dc *dc, } } - mpc->funcs->set_output_gamma(mpc, mpcc_id, params); + if (mpc->funcs->set_output_gamma) + mpc->funcs->set_output_gamma(mpc, mpcc_id, params); + else + DC_LOG_ERROR("%s: set_output_gamma function pointer is NULL.\n", __func__); + return ret; } diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c index 26ececfd40..99b19d1c7e 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c @@ -78,7 +78,7 @@ static void calculate_ttu_cursor(struct display_mode_lib *mode_lib, static unsigned int get_bytes_per_element(enum source_format_class source_format, bool is_chroma) { - unsigned int ret_val = 0; + unsigned int ret_val = 1; if (source_format == dm_444_16) { if (!is_chroma) diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c index 736978c4d4..9a6d5a6b67 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c @@ -53,7 +53,7 @@ static void calculate_ttu_cursor( static unsigned int get_bytes_per_element(enum source_format_class source_format, bool is_chroma) { - unsigned int ret_val = 0; + unsigned int ret_val = 1; if (source_format == dm_444_16) { if (!is_chroma) diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c index dae8e489c8..a5de279089 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c @@ -58,7 +58,7 @@ struct gpio_service *dal_gpio_service_create( struct dc_context *ctx) { struct gpio_service *service; - uint32_t index_of_id; + int32_t index_of_id; service = kzalloc(sizeof(struct gpio_service), GFP_KERNEL); @@ -114,7 +114,7 @@ struct gpio_service *dal_gpio_service_create( return service; failure_2: - while (index_of_id) { + while (index_of_id > 0) { --index_of_id; kfree(service->busyness[index_of_id]); } @@ -241,6 +241,9 @@ static bool is_pin_busy( enum gpio_id id, uint32_t en) { + if (id == GPIO_ID_UNKNOWN) + return false; + return service->busyness[id][en]; } @@ -249,6 +252,9 @@ static void set_pin_busy( enum gpio_id id, uint32_t en) { + if (id == GPIO_ID_UNKNOWN) + return; + service->busyness[id][en] = true; } @@ -257,6 +263,9 @@ static void set_pin_free( enum gpio_id id, uint32_t en) { + if (id == GPIO_ID_UNKNOWN) + return; + service->busyness[id][en] = false; } @@ -265,7 +274,7 @@ enum gpio_result dal_gpio_service_lock( enum gpio_id id, uint32_t en) { - if (!service->busyness[id]) { + if (id != GPIO_ID_UNKNOWN && !service->busyness[id]) { ASSERT_CRITICAL(false); return GPIO_RESULT_OPEN_FAILED; } @@ -279,7 +288,7 @@ enum gpio_result dal_gpio_service_unlock( enum gpio_id id, uint32_t en) { - if (!service->busyness[id]) { + if (id != GPIO_ID_UNKNOWN && !service->busyness[id]) { ASSERT_CRITICAL(false); return GPIO_RESULT_OPEN_FAILED; } diff --git a/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c b/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c index 4233955e3c..c9851492ec 100644 --- a/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c +++ b/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c @@ -131,13 +131,21 @@ static bool hdmi_14_process_transaction( const uint8_t hdcp_i2c_addr_link_primary = 0x3a; /* 0x74 >> 1*/ const uint8_t hdcp_i2c_addr_link_secondary = 0x3b; /* 0x76 >> 1*/ struct i2c_command i2c_command; - uint8_t offset = hdcp_i2c_offsets[message_info->msg_id]; + uint8_t offset; struct i2c_payload i2c_payloads[] = { - { true, 0, 1, &offset }, + { true, 0, 1, 0 }, /* actual hdcp payload, will be filled later, zeroed for now*/ { 0 } }; + if (message_info->msg_id == HDCP_MESSAGE_ID_INVALID) { + DC_LOG_ERROR("%s: Invalid message_info msg_id - %d\n", __func__, message_info->msg_id); + return false; + } + + offset = hdcp_i2c_offsets[message_info->msg_id]; + i2c_payloads[0].data = &offset; + switch (message_info->link) { case HDCP_LINK_SECONDARY: i2c_payloads[0].address = hdcp_i2c_addr_link_secondary; @@ -311,6 +319,11 @@ static bool dp_11_process_transaction( struct dc_link *link, struct hdcp_protection_message *message_info) { + if (message_info->msg_id == HDCP_MESSAGE_ID_INVALID) { + DC_LOG_ERROR("%s: Invalid message_info msg_id - %d\n", __func__, message_info->msg_id); + return false; + } + return dpcd_access_helper( link, message_info->length, diff --git a/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c b/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c index 378cc11aa0..3d8b2b127f 100644 --- a/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c +++ b/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c @@ -211,8 +211,12 @@ bool dce110_vblank_set(struct irq_service *irq_service, info->ext_id); uint8_t pipe_offset = dal_irq_src - IRQ_TYPE_VBLANK; - struct timing_generator *tg = - dc->current_state->res_ctx.pipe_ctx[pipe_offset].stream_res.tg; + struct timing_generator *tg; + + if (pipe_offset >= MAX_PIPES) + return false; + + tg = dc->current_state->res_ctx.pipe_ctx[pipe_offset].stream_res.tg; if (enable) { if (!tg || !tg->funcs->arm_vert_intr(tg, 2)) { diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index 6230861e78..a59cd81e1d 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -131,7 +131,7 @@ unsigned int mod_freesync_calc_v_total_from_refresh( v_total = div64_u64(div64_u64(((unsigned long long)( frame_duration_in_ns) * (stream->timing.pix_clk_100hz / 10)), - stream->timing.h_total), 1000000); + stream->timing.h_total) + 500000, 1000000); /* v_total cannot be less than nominal */ if (v_total < stream->timing.v_total) { diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c index 6ec918af3b..119b00aadd 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c @@ -433,17 +433,20 @@ static enum mod_hdcp_status authenticated_dp(struct mod_hdcp *hdcp, } if (status == MOD_HDCP_STATUS_SUCCESS) - mod_hdcp_execute_and_set(mod_hdcp_read_bstatus, + if (!mod_hdcp_execute_and_set(mod_hdcp_read_bstatus, &input->bstatus_read, &status, - hdcp, "bstatus_read"); + hdcp, "bstatus_read")) + goto out; if (status == MOD_HDCP_STATUS_SUCCESS) - mod_hdcp_execute_and_set(check_link_integrity_dp, + if (!mod_hdcp_execute_and_set(check_link_integrity_dp, &input->link_integrity_check, &status, - hdcp, "link_integrity_check"); + hdcp, "link_integrity_check")) + goto out; if (status == MOD_HDCP_STATUS_SUCCESS) - mod_hdcp_execute_and_set(check_no_reauthentication_request_dp, + if (!mod_hdcp_execute_and_set(check_no_reauthentication_request_dp, &input->reauth_request_check, &status, - hdcp, "reauth_request_check"); + hdcp, "reauth_request_check")) + goto out; out: return status; } diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c index f7b5583ee6..1b2df97226 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c @@ -156,7 +156,16 @@ static enum mod_hdcp_status read(struct mod_hdcp *hdcp, uint32_t cur_size = 0; uint32_t data_offset = 0; + if (msg_id == MOD_HDCP_MESSAGE_ID_INVALID || + msg_id >= MOD_HDCP_MESSAGE_ID_MAX) + return MOD_HDCP_STATUS_DDC_FAILURE; + if (is_dp_hdcp(hdcp)) { + int num_dpcd_addrs = sizeof(hdcp_dpcd_addrs) / + sizeof(hdcp_dpcd_addrs[0]); + if (msg_id >= num_dpcd_addrs) + return MOD_HDCP_STATUS_DDC_FAILURE; + while (buf_len > 0) { cur_size = MIN(buf_len, HDCP_MAX_AUX_TRANSACTION_SIZE); success = hdcp->config.ddc.funcs.read_dpcd(hdcp->config.ddc.handle, @@ -171,6 +180,11 @@ static enum mod_hdcp_status read(struct mod_hdcp *hdcp, data_offset += cur_size; } } else { + int num_i2c_offsets = sizeof(hdcp_i2c_offsets) / + sizeof(hdcp_i2c_offsets[0]); + if (msg_id >= num_i2c_offsets) + return MOD_HDCP_STATUS_DDC_FAILURE; + success = hdcp->config.ddc.funcs.read_i2c( hdcp->config.ddc.handle, HDCP_I2C_ADDR, @@ -215,7 +229,16 @@ static enum mod_hdcp_status write(struct mod_hdcp *hdcp, uint32_t cur_size = 0; uint32_t data_offset = 0; + if (msg_id == MOD_HDCP_MESSAGE_ID_INVALID || + msg_id >= MOD_HDCP_MESSAGE_ID_MAX) + return MOD_HDCP_STATUS_DDC_FAILURE; + if (is_dp_hdcp(hdcp)) { + int num_dpcd_addrs = sizeof(hdcp_dpcd_addrs) / + sizeof(hdcp_dpcd_addrs[0]); + if (msg_id >= num_dpcd_addrs) + return MOD_HDCP_STATUS_DDC_FAILURE; + while (buf_len > 0) { cur_size = MIN(buf_len, HDCP_MAX_AUX_TRANSACTION_SIZE); success = hdcp->config.ddc.funcs.write_dpcd( @@ -231,6 +254,11 @@ static enum mod_hdcp_status write(struct mod_hdcp *hdcp, data_offset += cur_size; } } else { + int num_i2c_offsets = sizeof(hdcp_i2c_offsets) / + sizeof(hdcp_i2c_offsets[0]); + if (msg_id >= num_i2c_offsets) + return MOD_HDCP_STATUS_DDC_FAILURE; + hdcp->buf[0] = hdcp_i2c_offsets[msg_id]; memmove(&hdcp->buf[1], buf, buf_len); success = hdcp->config.ddc.funcs.write_i2c( diff --git a/drivers/gpu/drm/amd/include/atombios.h b/drivers/gpu/drm/amd/include/atombios.h index 6a505d1b82..0c2637519f 100644 --- a/drivers/gpu/drm/amd/include/atombios.h +++ b/drivers/gpu/drm/amd/include/atombios.h @@ -4107,7 +4107,7 @@ typedef struct _ATOM_FAKE_EDID_PATCH_RECORD { UCHAR ucRecordType; UCHAR ucFakeEDIDLength; // = 128 means EDID length is 128 bytes, otherwise the EDID length = ucFakeEDIDLength*128 - UCHAR ucFakeEDIDString[1]; // This actually has ucFakeEdidLength elements. + UCHAR ucFakeEDIDString[]; // This actually has ucFakeEdidLength elements. } ATOM_FAKE_EDID_PATCH_RECORD; typedef struct _ATOM_PANEL_RESOLUTION_PATCH_RECORD diff --git a/drivers/gpu/drm/amd/include/atomfirmware.h b/drivers/gpu/drm/amd/include/atomfirmware.h index d6f0f31de5..00f2ef90ec 100644 --- a/drivers/gpu/drm/amd/include/atomfirmware.h +++ b/drivers/gpu/drm/amd/include/atomfirmware.h @@ -701,7 +701,7 @@ struct atom_gpio_pin_lut_v2_1 { struct atom_common_table_header table_header; /*the real number of this included in the structure is calcualted by using the (whole structure size - the header size)/size of atom_gpio_pin_lut */ - struct atom_gpio_pin_assignment gpio_pin[8]; + struct atom_gpio_pin_assignment gpio_pin[]; }; diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pp_psm.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pp_psm.c index 1d829402cd..59b1839598 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pp_psm.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pp_psm.c @@ -30,9 +30,8 @@ int psm_init_power_state_table(struct pp_hwmgr *hwmgr) { int result; unsigned int i; - unsigned int table_entries; struct pp_power_state *state; - int size; + int size, table_entries; if (hwmgr->hwmgr_func->get_num_of_pp_table_entries == NULL) return 0; @@ -40,15 +39,19 @@ int psm_init_power_state_table(struct pp_hwmgr *hwmgr) if (hwmgr->hwmgr_func->get_power_state_size == NULL) return 0; - hwmgr->num_ps = table_entries = hwmgr->hwmgr_func->get_num_of_pp_table_entries(hwmgr); + table_entries = hwmgr->hwmgr_func->get_num_of_pp_table_entries(hwmgr); - hwmgr->ps_size = size = hwmgr->hwmgr_func->get_power_state_size(hwmgr) + + size = hwmgr->hwmgr_func->get_power_state_size(hwmgr) + sizeof(struct pp_power_state); - if (table_entries == 0 || size == 0) { + if (table_entries <= 0 || size == 0) { pr_warn("Please check whether power state management is supported on this asic\n"); + hwmgr->num_ps = 0; + hwmgr->ps_size = 0; return 0; } + hwmgr->num_ps = table_entries; + hwmgr->ps_size = size; hwmgr->ps = kcalloc(table_entries, size, GFP_KERNEL); if (hwmgr->ps == NULL) diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c index f503e61faa..cc3b62f733 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c @@ -73,8 +73,9 @@ static int atomctrl_retrieve_ac_timing( j++; } else if ((table->mc_reg_address[i].uc_pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) { - table->mc_reg_table_entry[num_ranges].mc_data[i] = - table->mc_reg_table_entry[num_ranges].mc_data[i-1]; + if (i) + table->mc_reg_table_entry[num_ranges].mc_data[i] = + table->mc_reg_table_entry[num_ranges].mc_data[i-1]; } } num_ranges++; diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c index 182118e3fd..2ca93a1f0b 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c @@ -1185,6 +1185,8 @@ static int init_overdrive_limits(struct pp_hwmgr *hwmgr, fw_info = smu_atom_get_data_table(hwmgr->adev, GetIndexIntoMasterTable(DATA, FirmwareInfo), &size, &frev, &crev); + PP_ASSERT_WITH_CODE(fw_info != NULL, + "Missing firmware info!", return -EINVAL); if ((fw_info->ucTableFormatRevision == 1) && (le16_to_cpu(fw_info->usStructureSize) >= sizeof(ATOM_FIRMWARE_INFO_V1_4))) diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c index cf74621f94..0a216b4fd1 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c @@ -1026,7 +1026,9 @@ static int smu10_print_clock_levels(struct pp_hwmgr *hwmgr, switch (type) { case PP_SCLK: - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetGfxclkFrequency, &now); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetGfxclkFrequency, &now); + if (ret) + return ret; /* driver only know min/max gfx_clk, Add level 1 for all other gfx clks */ if (now == data->gfx_max_freq_limit/100) @@ -1047,7 +1049,9 @@ static int smu10_print_clock_levels(struct pp_hwmgr *hwmgr, i == 2 ? "*" : ""); break; case PP_MCLK: - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetFclkFrequency, &now); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetFclkFrequency, &now); + if (ret) + return ret; for (i = 0; i < mclk_table->count; i++) size += sprintf(buf + size, "%d: %uMhz %s\n", @@ -1547,7 +1551,10 @@ static int smu10_set_fine_grain_clk_vol(struct pp_hwmgr *hwmgr, } if (input[0] == 0) { - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMinGfxclkFrequency, &min_freq); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMinGfxclkFrequency, &min_freq); + if (ret) + return ret; + if (input[1] < min_freq) { pr_err("Fine grain setting minimum sclk (%ld) MHz is less than the minimum allowed (%d) MHz\n", input[1], min_freq); @@ -1555,7 +1562,10 @@ static int smu10_set_fine_grain_clk_vol(struct pp_hwmgr *hwmgr, } smu10_data->gfx_actual_soft_min_freq = input[1]; } else if (input[0] == 1) { - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxGfxclkFrequency, &max_freq); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxGfxclkFrequency, &max_freq); + if (ret) + return ret; + if (input[1] > max_freq) { pr_err("Fine grain setting maximum sclk (%ld) MHz is greater than the maximum allowed (%d) MHz\n", input[1], max_freq); @@ -1570,10 +1580,15 @@ static int smu10_set_fine_grain_clk_vol(struct pp_hwmgr *hwmgr, pr_err("Input parameter number not correct\n"); return -EINVAL; } - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMinGfxclkFrequency, &min_freq); - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxGfxclkFrequency, &max_freq); - + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMinGfxclkFrequency, &min_freq); + if (ret) + return ret; smu10_data->gfx_actual_soft_min_freq = min_freq; + + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxGfxclkFrequency, &max_freq); + if (ret) + return ret; + smu10_data->gfx_actual_soft_max_freq = max_freq; } else if (type == PP_OD_COMMIT_DPM_TABLE) { if (size != 0) { diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c index 9bfc465d08..2d1f37aefd 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c @@ -2907,6 +2907,7 @@ static int smu7_update_edc_leakage_table(struct pp_hwmgr *hwmgr) static int smu7_hwmgr_backend_init(struct pp_hwmgr *hwmgr) { + struct amdgpu_device *adev = hwmgr->adev; struct smu7_hwmgr *data; int result = 0; @@ -2943,40 +2944,37 @@ static int smu7_hwmgr_backend_init(struct pp_hwmgr *hwmgr) /* Initalize Dynamic State Adjustment Rule Settings */ result = phm_initializa_dynamic_state_adjustment_rule_settings(hwmgr); - if (0 == result) { - struct amdgpu_device *adev = hwmgr->adev; + if (result) + goto fail; - data->is_tlu_enabled = false; + data->is_tlu_enabled = false; - hwmgr->platform_descriptor.hardwareActivityPerformanceLevels = + hwmgr->platform_descriptor.hardwareActivityPerformanceLevels = SMU7_MAX_HARDWARE_POWERLEVELS; - hwmgr->platform_descriptor.hardwarePerformanceLevels = 2; - hwmgr->platform_descriptor.minimumClocksReductionPercentage = 50; + hwmgr->platform_descriptor.hardwarePerformanceLevels = 2; + hwmgr->platform_descriptor.minimumClocksReductionPercentage = 50; - data->pcie_gen_cap = adev->pm.pcie_gen_mask; - if (data->pcie_gen_cap & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) - data->pcie_spc_cap = 20; - else - data->pcie_spc_cap = 16; - data->pcie_lane_cap = adev->pm.pcie_mlw_mask; - - hwmgr->platform_descriptor.vbiosInterruptId = 0x20000400; /* IRQ_SOURCE1_SW_INT */ -/* The true clock step depends on the frequency, typically 4.5 or 9 MHz. Here we use 5. */ - hwmgr->platform_descriptor.clockStep.engineClock = 500; - hwmgr->platform_descriptor.clockStep.memoryClock = 500; - smu7_thermal_parameter_init(hwmgr); - } else { - /* Ignore return value in here, we are cleaning up a mess. */ - smu7_hwmgr_backend_fini(hwmgr); - } + data->pcie_gen_cap = adev->pm.pcie_gen_mask; + if (data->pcie_gen_cap & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) + data->pcie_spc_cap = 20; + else + data->pcie_spc_cap = 16; + data->pcie_lane_cap = adev->pm.pcie_mlw_mask; + + hwmgr->platform_descriptor.vbiosInterruptId = 0x20000400; /* IRQ_SOURCE1_SW_INT */ + /* The true clock step depends on the frequency, typically 4.5 or 9 MHz. Here we use 5. */ + hwmgr->platform_descriptor.clockStep.engineClock = 500; + hwmgr->platform_descriptor.clockStep.memoryClock = 500; + smu7_thermal_parameter_init(hwmgr); result = smu7_update_edc_leakage_table(hwmgr); - if (result) { - smu7_hwmgr_backend_fini(hwmgr); - return result; - } + if (result) + goto fail; return 0; +fail: + smu7_hwmgr_backend_fini(hwmgr); + return result; } static int smu7_force_dpm_highest(struct pp_hwmgr *hwmgr) @@ -3277,8 +3275,7 @@ static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, const struct pp_power_state *current_ps) { struct amdgpu_device *adev = hwmgr->adev; - struct smu7_power_state *smu7_ps = - cast_phw_smu7_power_state(&request_ps->hardware); + struct smu7_power_state *smu7_ps; uint32_t sclk; uint32_t mclk; struct PP_Clocks minimum_clocks = {0}; @@ -3295,6 +3292,10 @@ static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, uint32_t latency; bool latency_allowed = false; + smu7_ps = cast_phw_smu7_power_state(&request_ps->hardware); + if (!smu7_ps) + return -EINVAL; + data->battery_state = (PP_StateUILabel_Battery == request_ps->classification.ui_label); data->mclk_ignore_signal = false; @@ -5596,7 +5597,7 @@ static int smu7_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, uint mode = input[size]; switch (mode) { case PP_SMC_POWER_PROFILE_CUSTOM: - if (size < 8 && size != 0) + if (size != 8 && size != 0) return -EINVAL; /* If only CUSTOM is passed in, use the saved values. Check * that we actually have a CUSTOM profile by ensuring that diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c index 03bf8f0692..c1887c21c7 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c @@ -584,6 +584,7 @@ static int smu8_init_uvd_limit(struct pp_hwmgr *hwmgr) hwmgr->dyn_state.uvd_clock_voltage_dependency_table; unsigned long clock = 0; uint32_t level; + int ret; if (NULL == table || table->count <= 0) return -EINVAL; @@ -591,7 +592,9 @@ static int smu8_init_uvd_limit(struct pp_hwmgr *hwmgr) data->uvd_dpm.soft_min_clk = 0; data->uvd_dpm.hard_min_clk = 0; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxUvdLevel, &level); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxUvdLevel, &level); + if (ret) + return ret; if (level < table->count) clock = table->entries[level].vclk; @@ -611,6 +614,7 @@ static int smu8_init_vce_limit(struct pp_hwmgr *hwmgr) hwmgr->dyn_state.vce_clock_voltage_dependency_table; unsigned long clock = 0; uint32_t level; + int ret; if (NULL == table || table->count <= 0) return -EINVAL; @@ -618,7 +622,9 @@ static int smu8_init_vce_limit(struct pp_hwmgr *hwmgr) data->vce_dpm.soft_min_clk = 0; data->vce_dpm.hard_min_clk = 0; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxEclkLevel, &level); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxEclkLevel, &level); + if (ret) + return ret; if (level < table->count) clock = table->entries[level].ecclk; @@ -638,6 +644,7 @@ static int smu8_init_acp_limit(struct pp_hwmgr *hwmgr) hwmgr->dyn_state.acp_clock_voltage_dependency_table; unsigned long clock = 0; uint32_t level; + int ret; if (NULL == table || table->count <= 0) return -EINVAL; @@ -645,7 +652,9 @@ static int smu8_init_acp_limit(struct pp_hwmgr *hwmgr) data->acp_dpm.soft_min_clk = 0; data->acp_dpm.hard_min_clk = 0; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxAclkLevel, &level); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxAclkLevel, &level); + if (ret) + return ret; if (level < table->count) clock = table->entries[level].acpclk; @@ -1051,16 +1060,18 @@ static int smu8_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, struct pp_power_state *prequest_ps, const struct pp_power_state *pcurrent_ps) { - struct smu8_power_state *smu8_ps = - cast_smu8_power_state(&prequest_ps->hardware); - - const struct smu8_power_state *smu8_current_ps = - cast_const_smu8_power_state(&pcurrent_ps->hardware); - + struct smu8_power_state *smu8_ps; + const struct smu8_power_state *smu8_current_ps; struct smu8_hwmgr *data = hwmgr->backend; struct PP_Clocks clocks = {0, 0, 0, 0}; bool force_high; + smu8_ps = cast_smu8_power_state(&prequest_ps->hardware); + smu8_current_ps = cast_const_smu8_power_state(&pcurrent_ps->hardware); + + if (!smu8_ps || !smu8_current_ps) + return -EINVAL; + smu8_ps->need_dfs_bypass = true; data->battery_state = (PP_StateUILabel_Battery == prequest_ps->classification.ui_label); diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c index e6336654c5..69d9c82282 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c @@ -355,13 +355,13 @@ static int vega10_odn_initial_default_setting(struct pp_hwmgr *hwmgr) return 0; } -static void vega10_init_dpm_defaults(struct pp_hwmgr *hwmgr) +static int vega10_init_dpm_defaults(struct pp_hwmgr *hwmgr) { struct vega10_hwmgr *data = hwmgr->backend; - int i; uint32_t sub_vendor_id, hw_revision; uint32_t top32, bottom32; struct amdgpu_device *adev = hwmgr->adev; + int ret, i; vega10_initialize_power_tune_defaults(hwmgr); @@ -486,9 +486,12 @@ static void vega10_init_dpm_defaults(struct pp_hwmgr *hwmgr) if (data->registry_data.vr0hot_enabled) data->smu_features[GNLD_VR0HOT].supported = true; - smum_send_msg_to_smc(hwmgr, + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetSmuVersion, &hwmgr->smu_version); + if (ret) + return ret; + /* ACG firmware has major version 5 */ if ((hwmgr->smu_version & 0xff000000) == 0x5000000) data->smu_features[GNLD_ACG].supported = true; @@ -506,10 +509,16 @@ static void vega10_init_dpm_defaults(struct pp_hwmgr *hwmgr) data->smu_features[GNLD_PCC_LIMIT].supported = true; /* Get the SN to turn into a Unique ID */ - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32); - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32, &bottom32); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32); + if (ret) + return ret; + + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32, &bottom32); + if (ret) + return ret; adev->unique_id = ((uint64_t)bottom32 << 32) | top32; + return 0; } #ifdef PPLIB_VEGA10_EVV_SUPPORT @@ -883,7 +892,9 @@ static int vega10_hwmgr_backend_init(struct pp_hwmgr *hwmgr) vega10_set_features_platform_caps(hwmgr); - vega10_init_dpm_defaults(hwmgr); + result = vega10_init_dpm_defaults(hwmgr); + if (result) + return result; #ifdef PPLIB_VEGA10_EVV_SUPPORT /* Get leakage voltage based on leakage ID. */ @@ -2354,15 +2365,20 @@ static int vega10_acg_enable(struct pp_hwmgr *hwmgr) { struct vega10_hwmgr *data = hwmgr->backend; uint32_t agc_btc_response; + int ret; if (data->smu_features[GNLD_ACG].supported) { if (0 == vega10_enable_smc_features(hwmgr, true, data->smu_features[GNLD_DPM_PREFETCHER].smu_feature_bitmap)) data->smu_features[GNLD_DPM_PREFETCHER].enabled = true; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_InitializeAcg, NULL); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_InitializeAcg, NULL); + if (ret) + return ret; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAcgBtc, &agc_btc_response); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAcgBtc, &agc_btc_response); + if (ret) + agc_btc_response = 0; if (1 == agc_btc_response) { if (1 == data->acg_loop_state) @@ -2575,8 +2591,11 @@ static int vega10_init_smc_table(struct pp_hwmgr *hwmgr) } } - pp_atomfwctrl_get_voltage_table_v4(hwmgr, VOLTAGE_TYPE_VDDC, + result = pp_atomfwctrl_get_voltage_table_v4(hwmgr, VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_SVID2, &voltage_table); + PP_ASSERT_WITH_CODE(!result, + "Failed to get voltage table!", + return result); pp_table->MaxVidStep = voltage_table.max_vid_step; pp_table->GfxDpmVoltageMode = @@ -3237,8 +3256,7 @@ static int vega10_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, const struct pp_power_state *current_ps) { struct amdgpu_device *adev = hwmgr->adev; - struct vega10_power_state *vega10_ps = - cast_phw_vega10_power_state(&request_ps->hardware); + struct vega10_power_state *vega10_ps; uint32_t sclk; uint32_t mclk; struct PP_Clocks minimum_clocks = {0}; @@ -3256,6 +3274,10 @@ static int vega10_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, uint32_t stable_pstate_sclk = 0, stable_pstate_mclk = 0; uint32_t latency; + vega10_ps = cast_phw_vega10_power_state(&request_ps->hardware); + if (!vega10_ps) + return -EINVAL; + data->battery_state = (PP_StateUILabel_Battery == request_ps->classification.ui_label); @@ -3393,13 +3415,17 @@ static int vega10_find_dpm_states_clocks_in_dpm_table(struct pp_hwmgr *hwmgr, co const struct vega10_power_state *vega10_ps = cast_const_phw_vega10_power_state(states->pnew_state); struct vega10_single_dpm_table *sclk_table = &(data->dpm_table.gfx_table); - uint32_t sclk = vega10_ps->performance_levels - [vega10_ps->performance_level_count - 1].gfx_clock; struct vega10_single_dpm_table *mclk_table = &(data->dpm_table.mem_table); - uint32_t mclk = vega10_ps->performance_levels - [vega10_ps->performance_level_count - 1].mem_clock; + uint32_t sclk, mclk; uint32_t i; + if (vega10_ps == NULL) + return -EINVAL; + sclk = vega10_ps->performance_levels + [vega10_ps->performance_level_count - 1].gfx_clock; + mclk = vega10_ps->performance_levels + [vega10_ps->performance_level_count - 1].mem_clock; + for (i = 0; i < sclk_table->count; i++) { if (sclk == sclk_table->dpm_levels[i].value) break; @@ -3706,6 +3732,9 @@ static int vega10_generate_dpm_level_enable_mask( cast_const_phw_vega10_power_state(states->pnew_state); int i; + if (vega10_ps == NULL) + return -EINVAL; + PP_ASSERT_WITH_CODE(!vega10_trim_dpm_states(hwmgr, vega10_ps), "Attempt to Trim DPM States Failed!", return -1); @@ -3878,11 +3907,14 @@ static int vega10_get_gpu_power(struct pp_hwmgr *hwmgr, uint32_t *query) { uint32_t value; + int ret; if (!query) return -EINVAL; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrPkgPwr, &value); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrPkgPwr, &value); + if (ret) + return ret; /* SMC returning actual watts, keep consistent with legacy asics, low 8 bit as 8 fractional bits */ *query = value << 8; @@ -4637,14 +4669,16 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr, uint32_t gen_speed, lane_width, current_gen_speed, current_lane_width; PPTable_t *pptable = &(data->smc_state_table.pp_table); - int i, now, size = 0, count = 0; + int i, ret, now, size = 0, count = 0; switch (type) { case PP_SCLK: if (data->registry_data.sclk_dpm_key_disabled) break; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentGfxclkIndex, &now); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentGfxclkIndex, &now); + if (ret) + break; if (hwmgr->pp_one_vf && (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)) @@ -4660,7 +4694,9 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr, if (data->registry_data.mclk_dpm_key_disabled) break; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentUclkIndex, &now); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentUclkIndex, &now); + if (ret) + break; for (i = 0; i < mclk_table->count; i++) size += sprintf(buf + size, "%d: %uMhz %s\n", @@ -4671,7 +4707,9 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr, if (data->registry_data.socclk_dpm_key_disabled) break; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentSocclkIndex, &now); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentSocclkIndex, &now); + if (ret) + break; for (i = 0; i < soc_table->count; i++) size += sprintf(buf + size, "%d: %uMhz %s\n", @@ -4682,8 +4720,10 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr, if (data->registry_data.dcefclk_dpm_key_disabled) break; - smum_send_msg_to_smc_with_parameter(hwmgr, + ret = smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetClockFreqMHz, CLK_DCEFCLK, &now); + if (ret) + break; for (i = 0; i < dcef_table->count; i++) size += sprintf(buf + size, "%d: %uMhz %s\n", @@ -4832,6 +4872,9 @@ static int vega10_check_states_equal(struct pp_hwmgr *hwmgr, psa = cast_const_phw_vega10_power_state(pstate1); psb = cast_const_phw_vega10_power_state(pstate2); + if (psa == NULL || psb == NULL) + return -EINVAL; + /* If the two states don't even have the same number of performance levels they cannot be the same state. */ if (psa->performance_level_count != psb->performance_level_count) { *equal = false; @@ -4957,6 +5000,8 @@ static int vega10_set_sclk_od(struct pp_hwmgr *hwmgr, uint32_t value) return -EINVAL; vega10_ps = cast_phw_vega10_power_state(&ps->hardware); + if (vega10_ps == NULL) + return -EINVAL; vega10_ps->performance_levels [vega10_ps->performance_level_count - 1].gfx_clock = @@ -5008,6 +5053,8 @@ static int vega10_set_mclk_od(struct pp_hwmgr *hwmgr, uint32_t value) return -EINVAL; vega10_ps = cast_phw_vega10_power_state(&ps->hardware); + if (vega10_ps == NULL) + return -EINVAL; vega10_ps->performance_levels [vega10_ps->performance_level_count - 1].mem_clock = @@ -5245,6 +5292,9 @@ static void vega10_odn_update_power_state(struct pp_hwmgr *hwmgr) return; vega10_ps = cast_phw_vega10_power_state(&ps->hardware); + if (vega10_ps == NULL) + return; + max_level = vega10_ps->performance_level_count - 1; if (vega10_ps->performance_levels[max_level].gfx_clock != @@ -5267,6 +5317,9 @@ static void vega10_odn_update_power_state(struct pp_hwmgr *hwmgr) ps = (struct pp_power_state *)((unsigned long)(hwmgr->ps) + hwmgr->ps_size * (hwmgr->num_ps - 1)); vega10_ps = cast_phw_vega10_power_state(&ps->hardware); + if (vega10_ps == NULL) + return; + max_level = vega10_ps->performance_level_count - 1; if (vega10_ps->performance_levels[max_level].gfx_clock != @@ -5457,6 +5510,8 @@ static int vega10_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_ return -EINVAL; ps = cast_const_phw_vega10_power_state(state); + if (ps == NULL) + return -EINVAL; i = index > ps->performance_level_count - 1 ? ps->performance_level_count - 1 : index; diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_hwmgr.c index a2f4d6773d..95ef9419c8 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_hwmgr.c @@ -294,12 +294,12 @@ static int vega12_set_features_platform_caps(struct pp_hwmgr *hwmgr) return 0; } -static void vega12_init_dpm_defaults(struct pp_hwmgr *hwmgr) +static int vega12_init_dpm_defaults(struct pp_hwmgr *hwmgr) { struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); struct amdgpu_device *adev = hwmgr->adev; uint32_t top32, bottom32; - int i; + int i, ret; data->smu_features[GNLD_DPM_PREFETCHER].smu_feature_id = FEATURE_DPM_PREFETCHER_BIT; @@ -365,10 +365,16 @@ static void vega12_init_dpm_defaults(struct pp_hwmgr *hwmgr) } /* Get the SN to turn into a Unique ID */ - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32); - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32, &bottom32); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32); + if (ret) + return ret; + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32, &bottom32); + if (ret) + return ret; adev->unique_id = ((uint64_t)bottom32 << 32) | top32; + + return 0; } static int vega12_set_private_data_based_on_pptable(struct pp_hwmgr *hwmgr) @@ -411,7 +417,11 @@ static int vega12_hwmgr_backend_init(struct pp_hwmgr *hwmgr) vega12_set_features_platform_caps(hwmgr); - vega12_init_dpm_defaults(hwmgr); + result = vega12_init_dpm_defaults(hwmgr); + if (result) { + pr_err("%s failed\n", __func__); + return result; + } /* Parse pptable data read from VBIOS */ vega12_set_private_data_based_on_pptable(hwmgr); diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c index 299b5c838b..b55a68ce72 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c @@ -329,12 +329,12 @@ static int vega20_set_features_platform_caps(struct pp_hwmgr *hwmgr) return 0; } -static void vega20_init_dpm_defaults(struct pp_hwmgr *hwmgr) +static int vega20_init_dpm_defaults(struct pp_hwmgr *hwmgr) { struct vega20_hwmgr *data = (struct vega20_hwmgr *)(hwmgr->backend); struct amdgpu_device *adev = hwmgr->adev; uint32_t top32, bottom32; - int i; + int i, ret; data->smu_features[GNLD_DPM_PREFETCHER].smu_feature_id = FEATURE_DPM_PREFETCHER_BIT; @@ -405,10 +405,17 @@ static void vega20_init_dpm_defaults(struct pp_hwmgr *hwmgr) } /* Get the SN to turn into a Unique ID */ - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32); - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32, &bottom32); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32); + if (ret) + return ret; + + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32, &bottom32); + if (ret) + return ret; adev->unique_id = ((uint64_t)bottom32 << 32) | top32; + + return 0; } static int vega20_set_private_data_based_on_pptable(struct pp_hwmgr *hwmgr) @@ -428,6 +435,7 @@ static int vega20_hwmgr_backend_init(struct pp_hwmgr *hwmgr) { struct vega20_hwmgr *data; struct amdgpu_device *adev = hwmgr->adev; + int result; data = kzalloc(sizeof(struct vega20_hwmgr), GFP_KERNEL); if (data == NULL) @@ -453,8 +461,11 @@ static int vega20_hwmgr_backend_init(struct pp_hwmgr *hwmgr) vega20_set_features_platform_caps(hwmgr); - vega20_init_dpm_defaults(hwmgr); - + result = vega20_init_dpm_defaults(hwmgr); + if (result) { + pr_err("%s failed\n", __func__); + return result; + } /* Parse pptable data read from VBIOS */ vega20_set_private_data_based_on_pptable(hwmgr); @@ -4098,9 +4109,11 @@ static int vega20_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui if (power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) { struct vega20_hwmgr *data = (struct vega20_hwmgr *)(hwmgr->backend); - if (size == 0 && !data->is_custom_profile_set) + + if (size != 10 && size != 0) return -EINVAL; - if (size < 10 && size != 0) + + if (size == 0 && !data->is_custom_profile_set) return -EINVAL; result = vega20_get_activity_monitor_coeff(hwmgr, @@ -4162,6 +4175,8 @@ static int vega20_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui activity_monitor.Fclk_PD_Data_error_coeff = input[8]; activity_monitor.Fclk_PD_Data_error_rate_coeff = input[9]; break; + default: + return -EINVAL; } result = vega20_set_activity_monitor_coeff(hwmgr, diff --git a/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c b/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c index b56854c03e..4291bf09fc 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c +++ b/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c @@ -163,6 +163,8 @@ static void sumo_construct_vid_mapping_table(struct amdgpu_device *adev, for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) { if (table[i].ulSupportedSCLK != 0) { + if (table[i].usVoltageIndex >= SUMO_MAX_NUMBER_VOLTAGES) + continue; vid_mapping_table->entries[table[i].usVoltageIndex].vid_7bit = table[i].usVoltageID; vid_mapping_table->entries[table[i].usVoltageIndex].vid_2bit = diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/vega10_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/vega10_smumgr.c index a70d738966..f9c0f11772 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/vega10_smumgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/vega10_smumgr.c @@ -130,13 +130,17 @@ int vega10_get_enabled_smc_features(struct pp_hwmgr *hwmgr, uint64_t *features_enabled) { uint32_t enabled_features; + int ret; if (features_enabled == NULL) return -EINVAL; - smum_send_msg_to_smc(hwmgr, + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetEnabledSmuFeatures, &enabled_features); + if (ret) + return ret; + *features_enabled = enabled_features; return 0; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c index d0c6b864d0..31846510c1 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c @@ -1775,7 +1775,8 @@ static int aldebaran_mode2_reset(struct smu_context *smu) index = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_MSG, SMU_MSG_GfxDeviceDriverReset); - + if (index < 0 ) + return -EINVAL; mutex_lock(&smu->message_lock); if (smu_version >= 0x00441400) { ret = smu_cmn_send_msg_without_waiting(smu, (uint16_t)index, SMU_RESET_MODE_2); diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c index a3723ba359..7671a8b3c1 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c @@ -69,8 +69,8 @@ MODULE_FIRMWARE("amdgpu/aldebaran_smc.bin"); #define PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD_MASK 0x00000070L #define PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD__SHIFT 0x4 #define smnPCIE_LC_SPEED_CNTL 0x11140290 -#define PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE_MASK 0xC000 -#define PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE__SHIFT 0xE +#define PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE_MASK 0xE0 +#define PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE__SHIFT 0x5 static const int link_width[] = {0, 1, 2, 4, 8, 12, 16}; static const int link_speed[] = {25, 50, 80, 160}; diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c index 327051bba5..cee7b8d588 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c @@ -163,6 +163,7 @@ static int komeda_crtc_normalize_zpos(struct drm_crtc *crtc, struct drm_plane *plane; struct list_head zorder_list; int order = 0, err; + u32 slave_zpos = 0; DRM_DEBUG_ATOMIC("[CRTC:%d:%s] calculating normalized zpos values\n", crtc->base.id, crtc->name); @@ -202,10 +203,13 @@ static int komeda_crtc_normalize_zpos(struct drm_crtc *crtc, plane_st->zpos, plane_st->normalized_zpos); /* calculate max slave zorder */ - if (has_bit(drm_plane_index(plane), kcrtc->slave_planes)) + if (has_bit(drm_plane_index(plane), kcrtc->slave_planes)) { + slave_zpos = plane_st->normalized_zpos; + if (to_kplane_st(plane_st)->layer_split) + slave_zpos++; kcrtc_st->max_slave_zorder = - max(plane_st->normalized_zpos, - kcrtc_st->max_slave_zorder); + max(slave_zpos, kcrtc_st->max_slave_zorder); + } } crtc_st->zpos_changed = true; diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c index 88b58153f9..c956fda918 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c @@ -259,7 +259,7 @@ komeda_component_get_avail_scaler(struct komeda_component *c, u32 avail_scalers; pipe_st = komeda_pipeline_get_state(c->pipeline, state); - if (!pipe_st) + if (IS_ERR_OR_NULL(pipe_st)) return NULL; avail_scalers = (pipe_st->active_comps & KOMEDA_PIPELINE_SCALERS) ^ diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c index 6a4f20fccf..7b0bc9704e 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c @@ -1027,7 +1027,6 @@ ssize_t analogix_dp_transfer(struct analogix_dp_device *dp, u32 status_reg; u8 *buffer = msg->buffer; unsigned int i; - int num_transferred = 0; int ret; /* Buffer size of AUX CH is 16 bytes */ @@ -1079,7 +1078,6 @@ ssize_t analogix_dp_transfer(struct analogix_dp_device *dp, reg = buffer[i]; writel(reg, dp->reg_base + ANALOGIX_DP_BUF_DATA_0 + 4 * i); - num_transferred++; } } @@ -1127,7 +1125,6 @@ ssize_t analogix_dp_transfer(struct analogix_dp_device *dp, reg = readl(dp->reg_base + ANALOGIX_DP_BUF_DATA_0 + 4 * i); buffer[i] = (unsigned char)reg; - num_transferred++; } } @@ -1144,7 +1141,7 @@ ssize_t analogix_dp_transfer(struct analogix_dp_device *dp, (msg->request & ~DP_AUX_I2C_MOT) == DP_AUX_NATIVE_READ) msg->reply = DP_AUX_NATIVE_REPLY_ACK; - return num_transferred > 0 ? num_transferred : -EBUSY; + return msg->size; aux_error: /* if aux err happen, reset aux */ diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c index 6379d5c8ed..9dd52282a0 100644 --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c @@ -401,22 +401,6 @@ static const struct drm_connector_funcs lt8912_connector_funcs = { .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; -static enum drm_mode_status -lt8912_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - if (mode->clock > 150000) - return MODE_CLOCK_HIGH; - - if (mode->hdisplay > 1920) - return MODE_BAD_HVALUE; - - if (mode->vdisplay > 1080) - return MODE_BAD_VVALUE; - - return MODE_OK; -} - static int lt8912_connector_get_modes(struct drm_connector *connector) { struct edid *edid; @@ -444,7 +428,6 @@ static int lt8912_connector_get_modes(struct drm_connector *connector) static const struct drm_connector_helper_funcs lt8912_connector_helper_funcs = { .get_modes = lt8912_connector_get_modes, - .mode_valid = lt8912_connector_mode_valid, }; static void lt8912_bridge_mode_set(struct drm_bridge *bridge, @@ -590,6 +573,23 @@ static void lt8912_bridge_detach(struct drm_bridge *bridge) drm_bridge_hpd_disable(lt->hdmi_port); } +static enum drm_mode_status +lt8912_bridge_mode_valid(struct drm_bridge *bridge, + const struct drm_display_info *info, + const struct drm_display_mode *mode) +{ + if (mode->clock > 150000) + return MODE_CLOCK_HIGH; + + if (mode->hdisplay > 1920) + return MODE_BAD_HVALUE; + + if (mode->vdisplay > 1080) + return MODE_BAD_VVALUE; + + return MODE_OK; +} + static enum drm_connector_status lt8912_bridge_detect(struct drm_bridge *bridge) { @@ -620,6 +620,7 @@ static struct edid *lt8912_bridge_get_edid(struct drm_bridge *bridge, static const struct drm_bridge_funcs lt8912_bridge_funcs = { .attach = lt8912_bridge_attach, .detach = lt8912_bridge_detach, + .mode_valid = lt8912_bridge_mode_valid, .mode_set = lt8912_bridge_mode_set, .enable = lt8912_bridge_enable, .detect = lt8912_bridge_detect, diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c index b32295abd9..e67bcbef0e 100644 --- a/drivers/gpu/drm/bridge/panel.c +++ b/drivers/gpu/drm/bridge/panel.c @@ -253,9 +253,12 @@ EXPORT_SYMBOL(drm_panel_bridge_remove); static void devm_drm_panel_bridge_release(struct device *dev, void *res) { - struct drm_bridge **bridge = res; + struct drm_bridge *bridge = *(struct drm_bridge **)res; - drm_panel_bridge_remove(*bridge); + if (!bridge) + return; + + drm_bridge_remove(bridge); } /** diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 4c6f305215..3436d39c90 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1527,7 +1527,7 @@ static irqreturn_t tc_irq_handler(int irq, void *arg) dev_err(tc->dev, "syserr %x\n", stat); } - if (tc->hpd_pin >= 0 && tc->bridge.dev) { + if (tc->hpd_pin >= 0 && tc->bridge.dev && tc->aux.drm_dev) { /* * H is triggered when the GPIO goes high. * diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index f195c70131..fb646b12af 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -603,7 +603,7 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, &state->fb_damage_clips, val, -1, - sizeof(struct drm_rect), + sizeof(struct drm_mode_rect), &replaced); return ret; } else if (property == plane->scaling_filter_property) { diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c index 957b6dd075..a95f9f3c71 100644 --- a/drivers/gpu/drm/drm_client_modeset.c +++ b/drivers/gpu/drm/drm_client_modeset.c @@ -867,6 +867,11 @@ int drm_client_modeset_probe(struct drm_client_dev *client, unsigned int width, kfree(modeset->mode); modeset->mode = drm_mode_duplicate(dev, mode); + if (!modeset->mode) { + ret = -ENOMEM; + break; + } + drm_connector_get(connector); modeset->connectors[modeset->num_connectors++] = connector; modeset->x = offset->x; diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index c5e0c65276..e8cee1891f 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -832,6 +832,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, connector_set = NULL; fb = NULL; mode = NULL; + num_connectors = 0; DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 865c7f3914..f24667a003 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -2974,7 +2974,7 @@ static int drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr, /* FIXME: Actually do some real error handling here */ ret = drm_dp_mst_wait_tx_reply(mstb, txmsg); - if (ret <= 0) { + if (ret < 0) { drm_err(mgr->dev, "Sending link address failed with %d\n", ret); goto out; } @@ -3026,7 +3026,7 @@ static int drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr, mutex_unlock(&mgr->lock); out: - if (ret <= 0) + if (ret < 0) mstb->link_address_sent = false; kfree(txmsg); return ret < 0 ? ret : changed; diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c index 54f1ab3071..eb486c9c95 100644 --- a/drivers/gpu/drm/drm_gem_shmem_helper.c +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c @@ -607,6 +607,9 @@ int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct return ret; } + if (is_cow_mapping(vma->vm_flags)) + return -EINVAL; + ret = drm_gem_shmem_get_pages(shmem); if (ret) return ret; diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index 24606b6320..468a3a7cb6 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -221,7 +221,7 @@ mipi_dsi_device_register_full(struct mipi_dsi_host *host, return dsi; } - device_set_node(&dsi->dev, of_fwnode_handle(info->node)); + dsi->dev.of_node = info->node; dsi->channel = info->channel; strlcpy(dsi->name, info->type, sizeof(dsi->name)); diff --git a/drivers/gpu/drm/drm_panel_orientation_quirks.c b/drivers/gpu/drm/drm_panel_orientation_quirks.c index 43de9dfcba..f1091cb87d 100644 --- a/drivers/gpu/drm/drm_panel_orientation_quirks.c +++ b/drivers/gpu/drm/drm_panel_orientation_quirks.c @@ -318,6 +318,12 @@ static const struct dmi_system_id orientation_data[] = { DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ONE XPLAYER"), }, .driver_data = (void *)&lcd1600x2560_leftside_up, + }, { /* OrangePi Neo */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "OrangePi"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "NEO-01"), + }, + .driver_data = (void *)&lcd1200x1920_rightside_up, }, { /* Samsung GalaxyBook 10.6 */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c index f783d4963d..20f5e497b1 100644 --- a/drivers/gpu/drm/drm_print.c +++ b/drivers/gpu/drm/drm_print.c @@ -78,8 +78,9 @@ void __drm_puts_coredump(struct drm_printer *p, const char *str) copy = iterator->remain; /* Copy out the bit of the string that we need */ - memcpy(iterator->data, - str + (iterator->start - iterator->offset), copy); + if (iterator->data) + memcpy(iterator->data, + str + (iterator->start - iterator->offset), copy); iterator->offset = iterator->start + copy; iterator->remain -= copy; @@ -88,7 +89,8 @@ void __drm_puts_coredump(struct drm_printer *p, const char *str) len = min_t(ssize_t, strlen(str), iterator->remain); - memcpy(iterator->data + pos, str, len); + if (iterator->data) + memcpy(iterator->data + pos, str, len); iterator->offset += len; iterator->remain -= len; @@ -118,8 +120,9 @@ void __drm_printfn_coredump(struct drm_printer *p, struct va_format *vaf) if ((iterator->offset >= iterator->start) && (len < iterator->remain)) { ssize_t pos = iterator->offset - iterator->start; - snprintf(((char *) iterator->data) + pos, - iterator->remain, "%pV", vaf); + if (iterator->data) + snprintf(((char *) iterator->data) + pos, + iterator->remain, "%pV", vaf); iterator->offset += len; iterator->remain -= len; diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c index f0b2540e60..87da227839 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c @@ -353,9 +353,11 @@ static void *etnaviv_gem_vmap_impl(struct etnaviv_gem_object *obj) static inline enum dma_data_direction etnaviv_op_to_dma_dir(u32 op) { - if (op & ETNA_PREP_READ) + op &= ETNA_PREP_READ | ETNA_PREP_WRITE; + + if (op == ETNA_PREP_READ) return DMA_FROM_DEVICE; - else if (op & ETNA_PREP_WRITE) + else if (op == ETNA_PREP_WRITE) return DMA_TO_DEVICE; else return DMA_BIDIRECTIONAL; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 8c090354fd..d7e0d19c0c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -1173,7 +1173,7 @@ static int gsc_bind(struct device *dev, struct device *master, void *data) struct exynos_drm_ipp *ipp = &ctx->ipp; ctx->drm_dev = drm_dev; - ctx->drm_dev = drm_dev; + ipp->drm_dev = drm_dev; exynos_drm_register_dma(drm_dev, dev, &ctx->dma_priv); exynos_drm_ipp_register(dev, ipp, &ipp_funcs, diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index e1ffe8a28b..d87ab8ecb0 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -308,6 +308,7 @@ static int vidi_get_modes(struct drm_connector *connector) struct vidi_context *ctx = ctx_from_connector(connector); struct edid *edid; int edid_len; + int count; /* * the edid data comes from user side and it would be set @@ -327,7 +328,11 @@ static int vidi_get_modes(struct drm_connector *connector) drm_connector_update_edid_property(connector, edid); - return drm_add_edid_modes(connector, edid); + count = drm_add_edid_modes(connector, edid); + + kfree(edid); + + return count; } static const struct drm_connector_helper_funcs vidi_connector_helper_funcs = { diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 35be9f0245..83bd7c50fd 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -887,11 +887,11 @@ static int hdmi_get_modes(struct drm_connector *connector) int ret; if (!hdata->ddc_adpt) - return 0; + goto no_edid; edid = drm_get_edid(connector, hdata->ddc_adpt); if (!edid) - return 0; + goto no_edid; hdata->dvi_mode = !drm_detect_hdmi_monitor(edid); DRM_DEV_DEBUG_KMS(hdata->dev, "%s : width[%d] x height[%d]\n", @@ -906,6 +906,9 @@ static int hdmi_get_modes(struct drm_connector *connector) kfree(edid); return ret; + +no_edid: + return drm_add_modes_noedid(connector, 640, 480); } static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock) diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c index 8a2219fcf9..c3eb15c2b3 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c +++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c @@ -310,6 +310,9 @@ static int cdv_intel_lvds_get_modes(struct drm_connector *connector) if (mode_dev->panel_fixed_mode != NULL) { struct drm_display_mode *mode = drm_mode_duplicate(dev, mode_dev->panel_fixed_mode); + if (!mode) + return 0; + drm_mode_probed_add(connector, mode); return 1; } diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c index ace95d4bdb..cfecebc126 100644 --- a/drivers/gpu/drm/gma500/psb_intel_lvds.c +++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c @@ -508,6 +508,9 @@ static int psb_intel_lvds_get_modes(struct drm_connector *connector) if (mode_dev->panel_fixed_mode != NULL) { struct drm_display_mode *mode = drm_mode_duplicate(dev, mode_dev->panel_fixed_mode); + if (!mode) + return 0; + drm_mode_probed_add(connector, mode); return 1; } diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index a0c04b9d9c..40852cb583 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -226,6 +226,10 @@ bool intel_dp_can_bigjoiner(struct intel_dp *intel_dp) struct intel_encoder *encoder = &intel_dig_port->base; struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + /* eDP MSO is not compatible with joiner */ + if (intel_dp->mso_link_count) + return false; + return DISPLAY_VER(dev_priv) >= 12 || (DISPLAY_VER(dev_priv) == 11 && encoder->port != PORT_A); @@ -3623,6 +3627,8 @@ int intel_dp_retrain_link(struct intel_encoder *encoder, !intel_dp_mst_is_master_trans(crtc_state)) continue; + intel_dp->link_trained = false; + intel_dp_check_frl_training(intel_dp); intel_dp_pcon_dsc_configure(intel_dp, crtc_state); intel_dp_start_link_train(intel_dp, crtc_state); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index 0eb4a0739f..0a7c4548b7 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -1436,6 +1436,10 @@ void i915_gem_init__contexts(struct drm_i915_private *i915) init_contexts(&i915->gem.contexts); } +/* + * Note that this implicitly consumes the ctx reference, by placing + * the ctx in the context_xa. + */ static void gem_context_register(struct i915_gem_context *ctx, struct drm_i915_file_private *fpriv, u32 id) @@ -1449,13 +1453,13 @@ static void gem_context_register(struct i915_gem_context *ctx, snprintf(ctx->name, sizeof(ctx->name), "%s[%d]", current->comm, pid_nr(ctx->pid)); - /* And finally expose ourselves to userspace via the idr */ - old = xa_store(&fpriv->context_xa, id, ctx, GFP_KERNEL); - WARN_ON(old); - spin_lock(&i915->gem.contexts.lock); list_add_tail(&ctx->link, &i915->gem.contexts.list); spin_unlock(&i915->gem.contexts.lock); + + /* And finally expose ourselves to userspace via the idr */ + old = xa_store(&fpriv->context_xa, id, ctx, GFP_KERNEL); + WARN_ON(old); } int i915_gem_context_open(struct drm_i915_private *i915, @@ -1932,14 +1936,22 @@ finalize_create_context_locked(struct drm_i915_file_private *file_priv, if (IS_ERR(ctx)) return ctx; + /* + * One for the xarray and one for the caller. We need to grab + * the reference *prior* to making the ctx visble to userspace + * in gem_context_register(), as at any point after that + * userspace can try to race us with another thread destroying + * the context under our feet. + */ + i915_gem_context_get(ctx); + gem_context_register(ctx, file_priv, id); old = xa_erase(&file_priv->proto_context_xa, id); GEM_BUG_ON(old != pc); proto_context_close(pc); - /* One for the xarray and one for the caller */ - return i915_gem_context_get(ctx); + return ctx; } struct i915_gem_context * diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index 5c6362a55c..2c4ef17659 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -286,6 +286,41 @@ static vm_fault_t vm_fault_cpu(struct vm_fault *vmf) return i915_error_to_vmf_fault(err); } +static void set_address_limits(struct vm_area_struct *area, + struct i915_vma *vma, + unsigned long obj_offset, + unsigned long *start_vaddr, + unsigned long *end_vaddr) +{ + unsigned long vm_start, vm_end, vma_size; /* user's memory parameters */ + long start, end; /* memory boundaries */ + + /* + * Let's move into the ">> PAGE_SHIFT" + * domain to be sure not to lose bits + */ + vm_start = area->vm_start >> PAGE_SHIFT; + vm_end = area->vm_end >> PAGE_SHIFT; + vma_size = vma->size >> PAGE_SHIFT; + + /* + * Calculate the memory boundaries by considering the offset + * provided by the user during memory mapping and the offset + * provided for the partial mapping. + */ + start = vm_start; + start -= obj_offset; + start += vma->ggtt_view.partial.offset; + end = start + vma_size; + + start = max_t(long, start, vm_start); + end = min_t(long, end, vm_end); + + /* Let's move back into the "<< PAGE_SHIFT" domain */ + *start_vaddr = (unsigned long)start << PAGE_SHIFT; + *end_vaddr = (unsigned long)end << PAGE_SHIFT; +} + static vm_fault_t vm_fault_gtt(struct vm_fault *vmf) { #define MIN_CHUNK_PAGES (SZ_1M >> PAGE_SHIFT) @@ -298,14 +333,18 @@ static vm_fault_t vm_fault_gtt(struct vm_fault *vmf) struct i915_ggtt *ggtt = &i915->ggtt; bool write = area->vm_flags & VM_WRITE; struct i915_gem_ww_ctx ww; + unsigned long obj_offset; + unsigned long start, end; /* memory boundaries */ intel_wakeref_t wakeref; struct i915_vma *vma; pgoff_t page_offset; + unsigned long pfn; int srcu; int ret; - /* We don't use vmf->pgoff since that has the fake offset */ + obj_offset = area->vm_pgoff - drm_vma_node_start(&mmo->vma_node); page_offset = (vmf->address - area->vm_start) >> PAGE_SHIFT; + page_offset += obj_offset; trace_i915_gem_object_fault(obj, page_offset, true, write); @@ -376,12 +415,14 @@ static vm_fault_t vm_fault_gtt(struct vm_fault *vmf) if (ret) goto err_unpin; + set_address_limits(area, vma, obj_offset, &start, &end); + + pfn = (ggtt->gmadr.start + i915_ggtt_offset(vma)) >> PAGE_SHIFT; + pfn += (start - area->vm_start) >> PAGE_SHIFT; + pfn += obj_offset - vma->ggtt_view.partial.offset; + /* Finally, remap it using the new GTT offset */ - ret = remap_io_mapping(area, - area->vm_start + (vma->ggtt_view.partial.offset << PAGE_SHIFT), - (ggtt->gmadr.start + vma->node.start) >> PAGE_SHIFT, - min_t(u64, vma->size, area->vm_end - area->vm_start), - &ggtt->iomap); + ret = remap_io_mapping(area, start, pfn, end - start, &ggtt->iomap); if (ret) goto err_fence; diff --git a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c index 209cf265bf..56985edda8 100644 --- a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c +++ b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c @@ -257,8 +257,13 @@ static void signal_irq_work(struct irq_work *work) i915_request_put(rq); } + /* Lazy irq enabling after HW submission */ if (!READ_ONCE(b->irq_armed) && !list_empty(&b->signalers)) intel_breadcrumbs_arm_irq(b); + + /* And confirm that we still want irqs enabled before we yield */ + if (READ_ONCE(b->irq_armed) && !atomic_read(&b->active)) + intel_breadcrumbs_disarm_irq(b); } struct intel_breadcrumbs * @@ -309,13 +314,7 @@ void __intel_breadcrumbs_park(struct intel_breadcrumbs *b) return; /* Kick the work once more to drain the signalers, and disarm the irq */ - irq_work_sync(&b->irq_work); - while (READ_ONCE(b->irq_armed) && !atomic_read(&b->active)) { - local_irq_disable(); - signal_irq_work(&b->irq_work); - local_irq_enable(); - cond_resched(); - } + irq_work_queue(&b->irq_work); } void intel_breadcrumbs_free(struct kref *kref) @@ -398,7 +397,8 @@ static void insert_breadcrumb(struct i915_request *rq) * the request as it may have completed and raised the interrupt as * we were attaching it into the lists. */ - irq_work_queue(&b->irq_work); + if (!READ_ONCE(b->irq_armed) || __i915_request_is_complete(rq)) + irq_work_queue(&b->irq_work); } bool i915_request_enable_breadcrumb(struct i915_request *rq) diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c index eac55083c5..02b353641e 100644 --- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c +++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c @@ -3231,11 +3231,7 @@ static void remove_from_engine(struct i915_request *rq) static bool can_preempt(struct intel_engine_cs *engine) { - if (GRAPHICS_VER(engine->i915) > 8) - return true; - - /* GPGPU on bdw requires extra w/a; not implemented */ - return engine->class != RENDER_CLASS; + return GRAPHICS_VER(engine->i915) > 8; } static void kick_execlists(const struct i915_request *rq, int prio) diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c index f8948de720..99efb33ebd 100644 --- a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c +++ b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c @@ -291,6 +291,7 @@ void i915_vma_revoke_fence(struct i915_vma *vma) return; GEM_BUG_ON(fence->vma != vma); + i915_active_wait(&fence->active); GEM_BUG_ON(!i915_active_is_idle(&fence->active)); GEM_BUG_ON(atomic_read(&fence->pin_count)); diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c index c589a681da..cce8a7be11 100644 --- a/drivers/gpu/drm/i915/i915_sw_fence.c +++ b/drivers/gpu/drm/i915/i915_sw_fence.c @@ -49,7 +49,7 @@ static inline void debug_fence_init(struct i915_sw_fence *fence) debug_object_init(fence, &i915_sw_fence_debug_descr); } -static inline void debug_fence_init_onstack(struct i915_sw_fence *fence) +static inline __maybe_unused void debug_fence_init_onstack(struct i915_sw_fence *fence) { debug_object_init_on_stack(fence, &i915_sw_fence_debug_descr); } @@ -75,7 +75,7 @@ static inline void debug_fence_destroy(struct i915_sw_fence *fence) debug_object_destroy(fence, &i915_sw_fence_debug_descr); } -static inline void debug_fence_free(struct i915_sw_fence *fence) +static inline __maybe_unused void debug_fence_free(struct i915_sw_fence *fence) { debug_object_free(fence, &i915_sw_fence_debug_descr); smp_wmb(); /* flush the change in state before reallocation */ @@ -92,7 +92,7 @@ static inline void debug_fence_init(struct i915_sw_fence *fence) { } -static inline void debug_fence_init_onstack(struct i915_sw_fence *fence) +static inline __maybe_unused void debug_fence_init_onstack(struct i915_sw_fence *fence) { } @@ -113,7 +113,7 @@ static inline void debug_fence_destroy(struct i915_sw_fence *fence) { } -static inline void debug_fence_free(struct i915_sw_fence *fence) +static inline __maybe_unused void debug_fence_free(struct i915_sw_fence *fence) { } diff --git a/drivers/gpu/drm/lima/lima_bcast.c b/drivers/gpu/drm/lima/lima_bcast.c index fbc43f243c..6d000504e1 100644 --- a/drivers/gpu/drm/lima/lima_bcast.c +++ b/drivers/gpu/drm/lima/lima_bcast.c @@ -43,6 +43,18 @@ void lima_bcast_suspend(struct lima_ip *ip) } +int lima_bcast_mask_irq(struct lima_ip *ip) +{ + bcast_write(LIMA_BCAST_BROADCAST_MASK, 0); + bcast_write(LIMA_BCAST_INTERRUPT_MASK, 0); + return 0; +} + +int lima_bcast_reset(struct lima_ip *ip) +{ + return lima_bcast_hw_init(ip); +} + int lima_bcast_init(struct lima_ip *ip) { int i; diff --git a/drivers/gpu/drm/lima/lima_bcast.h b/drivers/gpu/drm/lima/lima_bcast.h index 465ee587bc..cd08841e47 100644 --- a/drivers/gpu/drm/lima/lima_bcast.h +++ b/drivers/gpu/drm/lima/lima_bcast.h @@ -13,4 +13,7 @@ void lima_bcast_fini(struct lima_ip *ip); void lima_bcast_enable(struct lima_device *dev, int num_pp); +int lima_bcast_mask_irq(struct lima_ip *ip); +int lima_bcast_reset(struct lima_ip *ip); + #endif diff --git a/drivers/gpu/drm/lima/lima_gp.c b/drivers/gpu/drm/lima/lima_gp.c index 8dd501b7a3..82071835ec 100644 --- a/drivers/gpu/drm/lima/lima_gp.c +++ b/drivers/gpu/drm/lima/lima_gp.c @@ -166,6 +166,11 @@ static void lima_gp_task_run(struct lima_sched_pipe *pipe, gp_write(LIMA_GP_CMD, cmd); } +static int lima_gp_bus_stop_poll(struct lima_ip *ip) +{ + return !!(gp_read(LIMA_GP_STATUS) & LIMA_GP_STATUS_BUS_STOPPED); +} + static int lima_gp_hard_reset_poll(struct lima_ip *ip) { gp_write(LIMA_GP_PERF_CNT_0_LIMIT, 0xC01A0000); @@ -179,6 +184,13 @@ static int lima_gp_hard_reset(struct lima_ip *ip) gp_write(LIMA_GP_PERF_CNT_0_LIMIT, 0xC0FFE000); gp_write(LIMA_GP_INT_MASK, 0); + + gp_write(LIMA_GP_CMD, LIMA_GP_CMD_STOP_BUS); + ret = lima_poll_timeout(ip, lima_gp_bus_stop_poll, 10, 100); + if (ret) { + dev_err(dev->dev, "%s bus stop timeout\n", lima_ip_name(ip)); + return ret; + } gp_write(LIMA_GP_CMD, LIMA_GP_CMD_RESET); ret = lima_poll_timeout(ip, lima_gp_hard_reset_poll, 10, 100); if (ret) { @@ -212,6 +224,13 @@ static void lima_gp_task_mmu_error(struct lima_sched_pipe *pipe) lima_sched_pipe_task_done(pipe); } +static void lima_gp_task_mask_irq(struct lima_sched_pipe *pipe) +{ + struct lima_ip *ip = pipe->processor[0]; + + gp_write(LIMA_GP_INT_MASK, 0); +} + static int lima_gp_task_recover(struct lima_sched_pipe *pipe) { struct lima_ip *ip = pipe->processor[0]; @@ -317,7 +336,9 @@ int lima_gp_init(struct lima_ip *ip) void lima_gp_fini(struct lima_ip *ip) { + struct lima_device *dev = ip->dev; + devm_free_irq(dev->dev, ip->irq, ip); } int lima_gp_pipe_init(struct lima_device *dev) @@ -344,6 +365,7 @@ int lima_gp_pipe_init(struct lima_device *dev) pipe->task_error = lima_gp_task_error; pipe->task_mmu_error = lima_gp_task_mmu_error; pipe->task_recover = lima_gp_task_recover; + pipe->task_mask_irq = lima_gp_task_mask_irq; return 0; } diff --git a/drivers/gpu/drm/lima/lima_mmu.c b/drivers/gpu/drm/lima/lima_mmu.c index a1ae6c252d..8ca7047adb 100644 --- a/drivers/gpu/drm/lima/lima_mmu.c +++ b/drivers/gpu/drm/lima/lima_mmu.c @@ -118,7 +118,12 @@ int lima_mmu_init(struct lima_ip *ip) void lima_mmu_fini(struct lima_ip *ip) { + struct lima_device *dev = ip->dev; + + if (ip->id == lima_ip_ppmmu_bcast) + return; + devm_free_irq(dev->dev, ip->irq, ip); } void lima_mmu_flush_tlb(struct lima_ip *ip) diff --git a/drivers/gpu/drm/lima/lima_pp.c b/drivers/gpu/drm/lima/lima_pp.c index a5c95bed08..d34c9e8840 100644 --- a/drivers/gpu/drm/lima/lima_pp.c +++ b/drivers/gpu/drm/lima/lima_pp.c @@ -266,7 +266,9 @@ int lima_pp_init(struct lima_ip *ip) void lima_pp_fini(struct lima_ip *ip) { + struct lima_device *dev = ip->dev; + devm_free_irq(dev->dev, ip->irq, ip); } int lima_pp_bcast_resume(struct lima_ip *ip) @@ -299,7 +301,9 @@ int lima_pp_bcast_init(struct lima_ip *ip) void lima_pp_bcast_fini(struct lima_ip *ip) { + struct lima_device *dev = ip->dev; + devm_free_irq(dev->dev, ip->irq, ip); } static int lima_pp_task_validate(struct lima_sched_pipe *pipe, @@ -408,6 +412,9 @@ static void lima_pp_task_error(struct lima_sched_pipe *pipe) lima_pp_hard_reset(ip); } + + if (pipe->bcast_processor) + lima_bcast_reset(pipe->bcast_processor); } static void lima_pp_task_mmu_error(struct lima_sched_pipe *pipe) @@ -416,6 +423,20 @@ static void lima_pp_task_mmu_error(struct lima_sched_pipe *pipe) lima_sched_pipe_task_done(pipe); } +static void lima_pp_task_mask_irq(struct lima_sched_pipe *pipe) +{ + int i; + + for (i = 0; i < pipe->num_processor; i++) { + struct lima_ip *ip = pipe->processor[i]; + + pp_write(LIMA_PP_INT_MASK, 0); + } + + if (pipe->bcast_processor) + lima_bcast_mask_irq(pipe->bcast_processor); +} + static struct kmem_cache *lima_pp_task_slab; static int lima_pp_task_slab_refcnt; @@ -447,6 +468,7 @@ int lima_pp_pipe_init(struct lima_device *dev) pipe->task_fini = lima_pp_task_fini; pipe->task_error = lima_pp_task_error; pipe->task_mmu_error = lima_pp_task_mmu_error; + pipe->task_mask_irq = lima_pp_task_mask_irq; return 0; } diff --git a/drivers/gpu/drm/lima/lima_sched.c b/drivers/gpu/drm/lima/lima_sched.c index 2e817dbdca..a7572123fe 100644 --- a/drivers/gpu/drm/lima/lima_sched.c +++ b/drivers/gpu/drm/lima/lima_sched.c @@ -421,6 +421,13 @@ static enum drm_gpu_sched_stat lima_sched_timedout_job(struct drm_sched_job *job struct lima_sched_task *task = to_lima_task(job); struct lima_device *ldev = pipe->ldev; + /* + * The task might still finish while this timeout handler runs. + * To prevent a race condition on its completion, mask all irqs + * on the running core until the next hard reset completes. + */ + pipe->task_mask_irq(pipe); + if (!pipe->error) DRM_ERROR("lima job timeout\n"); diff --git a/drivers/gpu/drm/lima/lima_sched.h b/drivers/gpu/drm/lima/lima_sched.h index 90f03c48ef..f8bbfa69ba 100644 --- a/drivers/gpu/drm/lima/lima_sched.h +++ b/drivers/gpu/drm/lima/lima_sched.h @@ -83,6 +83,7 @@ struct lima_sched_pipe { void (*task_error)(struct lima_sched_pipe *pipe); void (*task_mmu_error)(struct lima_sched_pipe *pipe); int (*task_recover)(struct lima_sched_pipe *pipe); + void (*task_mask_irq)(struct lima_sched_pipe *pipe); struct work_struct recover_work; }; diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 411cf0f216..c54d56fb7b 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -204,27 +204,20 @@ int mtk_ovl_layer_check(struct device *dev, unsigned int idx, struct mtk_plane_state *mtk_state) { struct drm_plane_state *state = &mtk_state->base; - unsigned int rotation = 0; - rotation = drm_rotation_simplify(state->rotation, - DRM_MODE_ROTATE_0 | - DRM_MODE_REFLECT_X | - DRM_MODE_REFLECT_Y); - rotation &= ~DRM_MODE_ROTATE_0; - - /* We can only do reflection, not rotation */ - if ((rotation & DRM_MODE_ROTATE_MASK) != 0) + /* check if any unsupported rotation is set */ + if (state->rotation & ~mtk_ovl_supported_rotations(dev)) return -EINVAL; /* * TODO: Rotating/reflecting YUV buffers is not supported at this time. * Only RGB[AX] variants are supported. + * Since DRM_MODE_ROTATE_0 means "no rotation", we should not + * reject layers with this property. */ - if (state->fb->format->is_yuv && rotation != 0) + if (state->fb->format->is_yuv && (state->rotation & ~DRM_MODE_ROTATE_0)) return -EINVAL; - state->rotation = rotation; - return 0; } diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 1a038fa004..27f3e91425 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -386,6 +386,7 @@ static void mtk_crtc_ddp_hw_fini(struct mtk_drm_crtc *mtk_crtc) { struct drm_device *drm = mtk_crtc->base.dev; struct drm_crtc *crtc = &mtk_crtc->base; + unsigned long flags; int i; for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) { @@ -412,10 +413,10 @@ static void mtk_crtc_ddp_hw_fini(struct mtk_drm_crtc *mtk_crtc) pm_runtime_put(drm->dev); if (crtc->state->event && !crtc->state->active) { - spin_lock_irq(&crtc->dev->event_lock); + spin_lock_irqsave(&crtc->dev->event_lock, flags); drm_crtc_send_vblank_event(crtc, crtc->state->event); crtc->state->event = NULL; - spin_unlock_irq(&crtc->dev->event_lock); + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); } } diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index 25cb50f239..fa9616505e 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -145,7 +145,11 @@ unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp) if (comp->funcs && comp->funcs->supported_rotations) return comp->funcs->supported_rotations(comp->dev); - return 0; + /* + * In order to pass IGT tests, DRM_MODE_ROTATE_0 is required when + * rotation is not supported. + */ + return DRM_MODE_ROTATE_0; } static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c index eda072a3bf..b0c3bc2cf2 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c @@ -154,6 +154,8 @@ static void mtk_plane_atomic_async_update(struct drm_plane *plane, plane->state->src_y = new_state->src_y; plane->state->src_h = new_state->src_h; plane->state->src_w = new_state->src_w; + plane->state->dst.x1 = new_state->dst.x1; + plane->state->dst.y1 = new_state->dst.y1; mtk_plane_update_new_state(new_state, new_plane_state); swap(plane->state->fb, new_state->fb); @@ -256,7 +258,7 @@ int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane, return err; } - if (supported_rotations & ~DRM_MODE_ROTATE_0) { + if (supported_rotations) { err = drm_plane_create_rotation_property(plane, DRM_MODE_ROTATE_0, supported_rotations); diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 207b309a21..829aadc125 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -248,29 +248,20 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) if (ret) goto free_drm; ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_vd1_0); - if (ret) { - meson_canvas_free(priv->canvas, priv->canvas_id_osd1); - goto free_drm; - } + if (ret) + goto free_canvas_osd1; ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_vd1_1); - if (ret) { - meson_canvas_free(priv->canvas, priv->canvas_id_osd1); - meson_canvas_free(priv->canvas, priv->canvas_id_vd1_0); - goto free_drm; - } + if (ret) + goto free_canvas_vd1_0; ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_vd1_2); - if (ret) { - meson_canvas_free(priv->canvas, priv->canvas_id_osd1); - meson_canvas_free(priv->canvas, priv->canvas_id_vd1_0); - meson_canvas_free(priv->canvas, priv->canvas_id_vd1_1); - goto free_drm; - } + if (ret) + goto free_canvas_vd1_1; priv->vsync_irq = platform_get_irq(pdev, 0); ret = drm_vblank_init(drm, 1); if (ret) - goto free_drm; + goto free_canvas_vd1_2; /* Assign limits per soc revision/package */ for (i = 0 ; i < ARRAY_SIZE(meson_drm_soc_attrs) ; ++i) { @@ -286,11 +277,11 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) */ ret = drm_aperture_remove_framebuffers(false, &meson_driver); if (ret) - goto free_drm; + goto free_canvas_vd1_2; ret = drmm_mode_config_init(drm); if (ret) - goto free_drm; + goto free_canvas_vd1_2; drm->mode_config.max_width = 3840; drm->mode_config.max_height = 2160; drm->mode_config.funcs = &meson_mode_config_funcs; @@ -305,7 +296,7 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) if (priv->afbcd.ops) { ret = priv->afbcd.ops->init(priv); if (ret) - goto free_drm; + goto free_canvas_vd1_2; } /* Encoder Initialization */ @@ -364,6 +355,14 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) exit_afbcd: if (priv->afbcd.ops) priv->afbcd.ops->exit(priv); +free_canvas_vd1_2: + meson_canvas_free(priv->canvas, priv->canvas_id_vd1_2); +free_canvas_vd1_1: + meson_canvas_free(priv->canvas, priv->canvas_id_vd1_1); +free_canvas_vd1_0: + meson_canvas_free(priv->canvas, priv->canvas_id_vd1_0); +free_canvas_osd1: + meson_canvas_free(priv->canvas, priv->canvas_id_osd1); free_drm: drm_dev_put(drm); diff --git a/drivers/gpu/drm/meson/meson_plane.c b/drivers/gpu/drm/meson/meson_plane.c index 44aa526294..c17abaf9b5 100644 --- a/drivers/gpu/drm/meson/meson_plane.c +++ b/drivers/gpu/drm/meson/meson_plane.c @@ -533,6 +533,7 @@ int meson_plane_create(struct meson_drm *priv) struct meson_plane *meson_plane; struct drm_plane *plane; const uint64_t *format_modifiers = format_modifiers_default; + int ret; meson_plane = devm_kzalloc(priv->drm->dev, sizeof(*meson_plane), GFP_KERNEL); @@ -547,12 +548,16 @@ int meson_plane_create(struct meson_drm *priv) else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) format_modifiers = format_modifiers_afbc_g12a; - drm_universal_plane_init(priv->drm, plane, 0xFF, - &meson_plane_funcs, - supported_drm_formats, - ARRAY_SIZE(supported_drm_formats), - format_modifiers, - DRM_PLANE_TYPE_PRIMARY, "meson_primary_plane"); + ret = drm_universal_plane_init(priv->drm, plane, 0xFF, + &meson_plane_funcs, + supported_drm_formats, + ARRAY_SIZE(supported_drm_formats), + format_modifiers, + DRM_PLANE_TYPE_PRIMARY, "meson_primary_plane"); + if (ret) { + devm_kfree(priv->drm->dev, meson_plane); + return ret; + } drm_plane_helper_add(plane, &meson_plane_helper_funcs); diff --git a/drivers/gpu/drm/mgag200/mgag200_i2c.c b/drivers/gpu/drm/mgag200/mgag200_i2c.c index ac8e34eef5..07f7e43c0d 100644 --- a/drivers/gpu/drm/mgag200/mgag200_i2c.c +++ b/drivers/gpu/drm/mgag200/mgag200_i2c.c @@ -134,7 +134,7 @@ struct mga_i2c_chan *mgag200_i2c_create(struct drm_device *dev) i2c->adapter.algo_data = &i2c->bit; i2c->bit.udelay = 10; - i2c->bit.timeout = 2; + i2c->bit.timeout = usecs_to_jiffies(2200); i2c->bit.data = i2c; i2c->bit.setsda = mga_gpio_setsda; i2c->bit.setscl = mga_gpio_setscl; diff --git a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c index 17d6a1ecb1..b4ca5985f0 100644 --- a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c @@ -12,7 +12,6 @@ static bool a2xx_idle(struct msm_gpu *gpu); static void a2xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) { - struct msm_drm_private *priv = gpu->dev->dev_private; struct msm_ringbuffer *ring = submit->ring; unsigned int i; @@ -23,7 +22,7 @@ static void a2xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) break; case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: /* ignore if there has not been a ctx switch: */ - if (priv->lastctx == submit->queue->ctx) + if (gpu->cur_ctx_seqno == submit->queue->ctx->seqno) break; fallthrough; case MSM_SUBMIT_CMD_BUF: diff --git a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c index 8fb847c174..2e481e2692 100644 --- a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c @@ -30,7 +30,6 @@ static bool a3xx_idle(struct msm_gpu *gpu); static void a3xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) { - struct msm_drm_private *priv = gpu->dev->dev_private; struct msm_ringbuffer *ring = submit->ring; unsigned int i; @@ -41,7 +40,7 @@ static void a3xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) break; case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: /* ignore if there has not been a ctx switch: */ - if (priv->lastctx == submit->queue->ctx) + if (gpu->cur_ctx_seqno == submit->queue->ctx->seqno) break; fallthrough; case MSM_SUBMIT_CMD_BUF: diff --git a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c index a96ee79cc5..c5524d6e87 100644 --- a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c @@ -24,7 +24,6 @@ static bool a4xx_idle(struct msm_gpu *gpu); static void a4xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) { - struct msm_drm_private *priv = gpu->dev->dev_private; struct msm_ringbuffer *ring = submit->ring; unsigned int i; @@ -35,7 +34,7 @@ static void a4xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) break; case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: /* ignore if there has not been a ctx switch: */ - if (priv->lastctx == submit->queue->ctx) + if (gpu->cur_ctx_seqno == submit->queue->ctx->seqno) break; fallthrough; case MSM_SUBMIT_CMD_BUF: diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index e9c8111122..4548dda8a2 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -65,7 +65,8 @@ void a5xx_flush(struct msm_gpu *gpu, struct msm_ringbuffer *ring, static void a5xx_submit_in_rb(struct msm_gpu *gpu, struct msm_gem_submit *submit) { - struct msm_drm_private *priv = gpu->dev->dev_private; + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); struct msm_ringbuffer *ring = submit->ring; struct msm_gem_object *obj; uint32_t *ptr, dwords; @@ -76,7 +77,7 @@ static void a5xx_submit_in_rb(struct msm_gpu *gpu, struct msm_gem_submit *submit case MSM_SUBMIT_CMD_IB_TARGET_BUF: break; case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: - if (priv->lastctx == submit->queue->ctx) + if (gpu->cur_ctx_seqno == submit->queue->ctx->seqno) break; fallthrough; case MSM_SUBMIT_CMD_BUF: @@ -110,6 +111,7 @@ static void a5xx_submit_in_rb(struct msm_gpu *gpu, struct msm_gem_submit *submit } } + a5xx_gpu->last_seqno[ring->id] = submit->seqno; a5xx_flush(gpu, ring, true); a5xx_preempt_trigger(gpu); @@ -126,12 +128,11 @@ static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); - struct msm_drm_private *priv = gpu->dev->dev_private; struct msm_ringbuffer *ring = submit->ring; unsigned int i, ibs = 0; if (IS_ENABLED(CONFIG_DRM_MSM_GPU_SUDO) && submit->in_rb) { - priv->lastctx = NULL; + gpu->cur_ctx_seqno = 0; a5xx_submit_in_rb(gpu, submit); return; } @@ -152,9 +153,13 @@ static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) OUT_PKT7(ring, CP_SET_PROTECTED_MODE, 1); OUT_RING(ring, 1); - /* Enable local preemption for finegrain preemption */ + /* + * Disable local preemption by default because it requires + * user-space to be aware of it and provide additional handling + * to restore rendering state or do various flushes on switch. + */ OUT_PKT7(ring, CP_PREEMPT_ENABLE_LOCAL, 1); - OUT_RING(ring, 0x1); + OUT_RING(ring, 0x0); /* Allow CP_CONTEXT_SWITCH_YIELD packets in the IB2 */ OUT_PKT7(ring, CP_YIELD_ENABLE, 1); @@ -166,7 +171,7 @@ static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) case MSM_SUBMIT_CMD_IB_TARGET_BUF: break; case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: - if (priv->lastctx == submit->queue->ctx) + if (gpu->cur_ctx_seqno == submit->queue->ctx->seqno) break; fallthrough; case MSM_SUBMIT_CMD_BUF: @@ -208,6 +213,7 @@ static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) /* Write the fence to the scratch register */ OUT_PKT4(ring, REG_A5XX_CP_SCRATCH_REG(2), 1); OUT_RING(ring, submit->seqno); + a5xx_gpu->last_seqno[ring->id] = submit->seqno; /* * Execute a CACHE_FLUSH_TS event. This will ensure that the diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h index c7187bcc5e..9c0d701fe4 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h @@ -34,8 +34,10 @@ struct a5xx_gpu { struct drm_gem_object *preempt_counters_bo[MSM_GPU_MAX_RINGS]; struct a5xx_preempt_record *preempt[MSM_GPU_MAX_RINGS]; uint64_t preempt_iova[MSM_GPU_MAX_RINGS]; + uint32_t last_seqno[MSM_GPU_MAX_RINGS]; atomic_t preempt_state; + spinlock_t preempt_start_lock; struct timer_list preempt_timer; struct drm_gem_object *shadow_bo; diff --git a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c index e0eef47dae..a9fb75521b 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c @@ -55,6 +55,8 @@ static inline void update_wptr(struct msm_gpu *gpu, struct msm_ringbuffer *ring) /* Return the highest priority ringbuffer with something in it */ static struct msm_ringbuffer *get_next_ring(struct msm_gpu *gpu) { + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); unsigned long flags; int i; @@ -64,6 +66,8 @@ static struct msm_ringbuffer *get_next_ring(struct msm_gpu *gpu) spin_lock_irqsave(&ring->preempt_lock, flags); empty = (get_wptr(ring) == gpu->funcs->get_rptr(gpu, ring)); + if (!empty && ring == a5xx_gpu->cur_ring) + empty = ring->memptrs->fence == a5xx_gpu->last_seqno[i]; spin_unlock_irqrestore(&ring->preempt_lock, flags); if (!empty) @@ -97,12 +101,19 @@ void a5xx_preempt_trigger(struct msm_gpu *gpu) if (gpu->nr_rings == 1) return; + /* + * Serialize preemption start to ensure that we always make + * decision on latest state. Otherwise we can get stuck in + * lower priority or empty ring. + */ + spin_lock_irqsave(&a5xx_gpu->preempt_start_lock, flags); + /* * Try to start preemption by moving from NONE to START. If * unsuccessful, a preemption is already in flight */ if (!try_preempt_state(a5xx_gpu, PREEMPT_NONE, PREEMPT_START)) - return; + goto out; /* Get the next ring to preempt to */ ring = get_next_ring(gpu); @@ -127,9 +138,11 @@ void a5xx_preempt_trigger(struct msm_gpu *gpu) set_preempt_state(a5xx_gpu, PREEMPT_ABORT); update_wptr(gpu, a5xx_gpu->cur_ring); set_preempt_state(a5xx_gpu, PREEMPT_NONE); - return; + goto out; } + spin_unlock_irqrestore(&a5xx_gpu->preempt_start_lock, flags); + /* Make sure the wptr doesn't update while we're in motion */ spin_lock_irqsave(&ring->preempt_lock, flags); a5xx_gpu->preempt[ring->id]->wptr = get_wptr(ring); @@ -153,6 +166,10 @@ void a5xx_preempt_trigger(struct msm_gpu *gpu) /* And actually start the preemption */ gpu_write(gpu, REG_A5XX_CP_CONTEXT_SWITCH_CNTL, 1); + return; + +out: + spin_unlock_irqrestore(&a5xx_gpu->preempt_start_lock, flags); } void a5xx_preempt_irq(struct msm_gpu *gpu) @@ -189,6 +206,12 @@ void a5xx_preempt_irq(struct msm_gpu *gpu) update_wptr(gpu, a5xx_gpu->cur_ring); set_preempt_state(a5xx_gpu, PREEMPT_NONE); + + /* + * Try to trigger preemption again in case there was a submit or + * retire during ring switch + */ + a5xx_preempt_trigger(gpu); } void a5xx_preempt_hw_init(struct msm_gpu *gpu) @@ -205,6 +228,8 @@ void a5xx_preempt_hw_init(struct msm_gpu *gpu) return; for (i = 0; i < gpu->nr_rings; i++) { + a5xx_gpu->preempt[i]->data = 0; + a5xx_gpu->preempt[i]->info = 0; a5xx_gpu->preempt[i]->wptr = 0; a5xx_gpu->preempt[i]->rptr = 0; a5xx_gpu->preempt[i]->rbase = gpu->rb[i]->iova; @@ -300,5 +325,6 @@ void a5xx_preempt_init(struct msm_gpu *gpu) } } + spin_lock_init(&a5xx_gpu->preempt_start_lock); timer_setup(&a5xx_gpu->preempt_timer, a5xx_preempt_timer, 0); } diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 2d07c02c59..27fae0dc97 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -106,7 +106,7 @@ static void a6xx_set_pagetable(struct a6xx_gpu *a6xx_gpu, u32 asid; u64 memptr = rbmemptr(ring, ttbr0); - if (ctx->seqno == a6xx_gpu->cur_ctx_seqno) + if (ctx->seqno == a6xx_gpu->base.base.cur_ctx_seqno) return; if (msm_iommu_pagetable_params(ctx->aspace->mmu, &ttbr, &asid)) @@ -138,14 +138,11 @@ static void a6xx_set_pagetable(struct a6xx_gpu *a6xx_gpu, OUT_PKT7(ring, CP_EVENT_WRITE, 1); OUT_RING(ring, 0x31); - - a6xx_gpu->cur_ctx_seqno = ctx->seqno; } static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) { unsigned int index = submit->seqno % MSM_GPU_SUBMIT_STATS_COUNT; - struct msm_drm_private *priv = gpu->dev->dev_private; struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); struct msm_ringbuffer *ring = submit->ring; @@ -177,7 +174,7 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) case MSM_SUBMIT_CMD_IB_TARGET_BUF: break; case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: - if (priv->lastctx == submit->queue->ctx) + if (gpu->cur_ctx_seqno == submit->queue->ctx->seqno) break; fallthrough; case MSM_SUBMIT_CMD_BUF: @@ -1085,7 +1082,7 @@ static int hw_init(struct msm_gpu *gpu) /* Always come up on rb 0 */ a6xx_gpu->cur_ring = gpu->rb[0]; - a6xx_gpu->cur_ctx_seqno = 0; + gpu->cur_ctx_seqno = 0; /* Enable the SQE_to start the CP engine */ gpu_write(gpu, REG_A6XX_CP_SQE_CNTL, 1); diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h index 8e5527c881..86e0a7c3fe 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h @@ -20,16 +20,6 @@ struct a6xx_gpu { struct msm_ringbuffer *cur_ring; - /** - * cur_ctx_seqno: - * - * The ctx->seqno value of the context with current pgtables - * installed. Tracked by seqno rather than pointer value to - * avoid dangling pointers, and cases where a ctx can be freed - * and a new one created with the same address. - */ - int cur_ctx_seqno; - struct a6xx_gmu gmu; struct drm_gem_object *shadow_bo; diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 47a260715a..2377a1bbbb 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -94,7 +94,7 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname, * was a bad idea, and is only provided for backwards * compatibility for older targets. */ - return -ENODEV; + return -ENOENT; } if (IS_ERR(fw)) { @@ -321,7 +321,7 @@ adreno_request_fw(struct adreno_gpu *adreno_gpu, const char *fwname) ret = request_firmware_direct(&fw, fwname, drm->dev); if (!ret) { DRM_DEV_INFO(drm->dev, "loaded %s from legacy location\n", - newname); + fwname); adreno_gpu->fwloc = FW_LOCATION_LEGACY; goto out; } else if (adreno_gpu->fwloc != FW_LOCATION_UNKNOWN) { diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h index 170b3e9dd4..73aef80a85 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h @@ -32,24 +32,14 @@ * @fmt: Pointer to format string */ #define DPU_DEBUG(fmt, ...) \ - do { \ - if (drm_debug_enabled(DRM_UT_KMS)) \ - DRM_DEBUG(fmt, ##__VA_ARGS__); \ - else \ - pr_debug(fmt, ##__VA_ARGS__); \ - } while (0) + DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) /** * DPU_DEBUG_DRIVER - macro for hardware driver logging * @fmt: Pointer to format string */ #define DPU_DEBUG_DRIVER(fmt, ...) \ - do { \ - if (drm_debug_enabled(DRM_UT_DRIVER)) \ - DRM_ERROR(fmt, ##__VA_ARGS__); \ - else \ - pr_debug(fmt, ##__VA_ARGS__); \ - } while (0) + DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) #define DPU_ERROR(fmt, ...) pr_err("[dpu error]" fmt, ##__VA_ARGS__) #define DPU_ERROR_RATELIMITED(fmt, ...) pr_err_ratelimited("[dpu error]" fmt, ##__VA_ARGS__) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c index 9c30ab106b..3ee9a92ffe 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -906,6 +906,9 @@ static int dpu_plane_prepare_fb(struct drm_plane *plane, new_state->fb, &layout); if (ret) { DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret); + if (pstate->aspace) + msm_framebuffer_cleanup(new_state->fb, pstate->aspace, + pstate->needs_dirtyfb); return ret; } diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c index d7fa2c49e7..45820ac1a5 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c @@ -356,7 +356,7 @@ void mdp5_smp_dump(struct mdp5_smp *smp, struct drm_printer *p) drm_printf(p, "%s:%d\t%d\t%s\n", pipe2name(pipe), j, inuse, - plane ? plane->name : NULL); + plane ? plane->name : "(null)"); total += inuse; } diff --git a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c index 8746ceae8f..badafcd619 100644 --- a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c +++ b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c @@ -24,7 +24,7 @@ static void msm_disp_state_dump_regs(u32 **reg, u32 aligned_len, void __iomem *b end_addr = base_addr + aligned_len; if (!(*reg)) - *reg = kzalloc(len_padded, GFP_KERNEL); + *reg = kvzalloc(len_padded, GFP_KERNEL); if (*reg) dump_addr = *reg; @@ -46,20 +46,21 @@ static void msm_disp_state_dump_regs(u32 **reg, u32 aligned_len, void __iomem *b } } -static void msm_disp_state_print_regs(u32 **reg, u32 len, void __iomem *base_addr, - struct drm_printer *p) +static void msm_disp_state_print_regs(const u32 *dump_addr, u32 len, + void __iomem *base_addr, struct drm_printer *p) { int i; - u32 *dump_addr = NULL; void __iomem *addr; u32 num_rows; + if (!dump_addr) { + drm_printf(p, "Registers not stored\n"); + return; + } + addr = base_addr; num_rows = len / REG_DUMP_ALIGN; - if (*reg) - dump_addr = *reg; - for (i = 0; i < num_rows; i++) { drm_printf(p, "0x%lx : %08x %08x %08x %08x\n", (unsigned long)(addr - base_addr), @@ -86,7 +87,7 @@ void msm_disp_state_print(struct msm_disp_state *state, struct drm_printer *p) list_for_each_entry_safe(block, tmp, &state->blocks, node) { drm_printf(p, "====================%s================\n", block->name); - msm_disp_state_print_regs(&block->state, block->size, block->base_addr, p); + msm_disp_state_print_regs(block->state, block->size, block->base_addr, p); } drm_printf(p, "===================dpu drm state================\n"); @@ -154,7 +155,7 @@ void msm_disp_state_free(void *data) list_for_each_entry_safe(block, tmp, &disp_state->blocks, node) { list_del(&block->node); - kfree(block->state); + kvfree(block->state); kfree(block); } diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index 854173df67..85f86afc55 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -1237,6 +1237,8 @@ static int dp_ctrl_link_train(struct dp_ctrl_private *ctrl, link_info.rate = ctrl->link->link_params.rate; link_info.capabilities = DP_LINK_CAP_ENHANCED_FRAMING; + dp_link_reset_phy_params_vx_px(ctrl->link); + dp_aux_link_configure(ctrl->aux, &link_info); drm_dp_dpcd_write(ctrl->aux, DP_MAIN_LINK_CHANNEL_CODING_SET, &encoding, 1); diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index c563ecf6e7..eb7cd96d9e 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -678,7 +678,7 @@ static unsigned long dsi_get_pclk_rate(struct msm_dsi_host *msm_host, bool is_bo struct drm_display_mode *mode = msm_host->mode; unsigned long pclk_rate; - pclk_rate = mode->clock * 1000; + pclk_rate = mode->clock * 1000u; /* * For bonded DSI mode, the current DRM mode has the complete width of the diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index e238d2beb7..8e6a9d0d85 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -732,14 +732,8 @@ static void context_close(struct msm_file_private *ctx) static void msm_postclose(struct drm_device *dev, struct drm_file *file) { - struct msm_drm_private *priv = dev->dev_private; struct msm_file_private *ctx = file->driver_priv; - mutex_lock(&dev->struct_mutex); - if (ctx == priv->lastctx) - priv->lastctx = NULL; - mutex_unlock(&dev->struct_mutex); - context_close(ctx); } diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 8488e49817..164605f010 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -157,7 +157,7 @@ struct msm_drm_private { /* when we have more than one 'msm_gpu' these need to be an array: */ struct msm_gpu *gpu; - struct msm_file_private *lastctx; + /* gpu is only set on open(), but we need this info earlier */ bool is_a2xx; bool has_cached_coherent; diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index a2f21b89d0..8250d86d11 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -763,7 +763,7 @@ void msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) mutex_unlock(&gpu->active_lock); gpu->funcs->submit(gpu, submit); - priv->lastctx = submit->queue->ctx; + gpu->cur_ctx_seqno = submit->queue->ctx->seqno; hangcheck_timer_reset(gpu); } diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h index 461ff5a5aa..bb37878258 100644 --- a/drivers/gpu/drm/msm/msm_gpu.h +++ b/drivers/gpu/drm/msm/msm_gpu.h @@ -137,6 +137,17 @@ struct msm_gpu { struct msm_ringbuffer *rb[MSM_GPU_MAX_RINGS]; int nr_rings; + /** + * cur_ctx_seqno: + * + * The ctx->seqno value of the last context to submit rendering, + * and the one with current pgtables installed (for generations + * that support per-context pgtables). Tracked by seqno rather + * than pointer value to avoid dangling pointers, and cases where + * a ctx can be freed and a new one created with the same address. + */ + int cur_ctx_seqno; + /* * List of GEM active objects on this gpu. Protected by * msm_drm_private::mm_lock diff --git a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c index be28e7bd74..1da9d1e89f 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c +++ b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c @@ -208,6 +208,8 @@ static int nv17_tv_get_ld_modes(struct drm_encoder *encoder, struct drm_display_mode *mode; mode = drm_mode_duplicate(encoder->dev, tv_mode); + if (!mode) + continue; mode->clock = tv_norm->tv_enc_mode.vrefresh * mode->htotal / 1000 * @@ -257,6 +259,8 @@ static int nv17_tv_get_hd_modes(struct drm_encoder *encoder, if (modes[i].hdisplay == output_mode->hdisplay && modes[i].vdisplay == output_mode->vdisplay) { mode = drm_mode_duplicate(encoder->dev, output_mode); + if (!mode) + continue; mode->type |= DRM_MODE_TYPE_PREFERRED; } else { @@ -264,6 +268,8 @@ static int nv17_tv_get_hd_modes(struct drm_encoder *encoder, modes[i].vdisplay, 60, false, (output_mode->flags & DRM_MODE_FLAG_INTERLACE), false); + if (!mode) + continue; } /* CVT modes are sometimes unsuitable... */ diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index fe6c650d23..ac9eb92059 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -979,6 +979,9 @@ nouveau_connector_get_modes(struct drm_connector *connector) struct drm_display_mode *mode; mode = drm_mode_duplicate(dev, nv_connector->native_mode); + if (!mode) + return 0; + drm_mode_probed_add(connector, mode); ret = 1; } diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c index 5e72e6cb2f..56729fc397 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dmem.c +++ b/drivers/gpu/drm/nouveau/nouveau_dmem.c @@ -149,7 +149,7 @@ static vm_fault_t nouveau_dmem_fault_copy_one(struct nouveau_drm *drm, if (!spage || !(args->src[0] & MIGRATE_PFN_MIGRATE)) return 0; - dpage = alloc_page_vma(GFP_HIGHUSER, vmf->vma, vmf->address); + dpage = alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vmf->vma, vmf->address); if (!dpage) return VM_FAULT_SIGBUS; lock_page(dpage); diff --git a/drivers/gpu/drm/nouveau/nouveau_prime.c b/drivers/gpu/drm/nouveau/nouveau_prime.c index 531615719f..89fcbfdb5f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_prime.c +++ b/drivers/gpu/drm/nouveau/nouveau_prime.c @@ -63,7 +63,8 @@ struct drm_gem_object *nouveau_gem_prime_import_sg_table(struct drm_device *dev, * to the caller, instead of a normal nouveau_bo ttm reference. */ ret = drm_gem_object_init(dev, &nvbo->bo.base, size); if (ret) { - nouveau_bo_ref(NULL, &nvbo); + drm_gem_object_release(&nvbo->bo.base); + kfree(nvbo); obj = ERR_PTR(-ENOMEM); goto unlock; } diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 60871d255a..939597ab5b 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -573,6 +573,10 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) soc = soc_device_match(omapdrm_soc_devices); priv->omaprev = soc ? (unsigned int)soc->data : 0; priv->wq = alloc_ordered_workqueue("omapdrm", 0); + if (!priv->wq) { + ret = -ENOMEM; + goto err_alloc_workqueue; + } mutex_init(&priv->list_lock); INIT_LIST_HEAD(&priv->obj_list); @@ -620,6 +624,7 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) err_gem_deinit: omap_gem_deinit(ddev); destroy_workqueue(priv->wq); +err_alloc_workqueue: omap_disconnect_pipelines(ddev); drm_dev_put(ddev); return ret; diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c index 9e518213a5..0a2d5f461a 100644 --- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c +++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c @@ -553,7 +553,11 @@ static int boe_panel_prepare(struct drm_panel *panel) usleep_range(5000, 10000); if (boe->desc->lp11_before_reset) { - mipi_dsi_dcs_nop(boe->dsi); + ret = mipi_dsi_dcs_nop(boe->dsi); + if (ret < 0) { + dev_err(&boe->dsi->dev, "Failed to send NOP: %d\n", ret); + goto poweroff; + } usleep_range(1000, 2000); } gpiod_set_value(boe->enable_gpio, 1); @@ -574,13 +578,13 @@ static int boe_panel_prepare(struct drm_panel *panel) return 0; poweroff: + gpiod_set_value(boe->enable_gpio, 0); regulator_disable(boe->avee); poweroffavdd: regulator_disable(boe->avdd); poweroff1v8: usleep_range(5000, 7000); regulator_disable(boe->pp1800); - gpiod_set_value(boe->enable_gpio, 0); return ret; } diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c index 534dd7414d..917cb322ba 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -506,10 +506,10 @@ static int ili9881c_prepare(struct drm_panel *panel) msleep(5); /* And reset it */ - gpiod_set_value(ctx->reset, 1); + gpiod_set_value_cansleep(ctx->reset, 1); msleep(20); - gpiod_set_value(ctx->reset, 0); + gpiod_set_value_cansleep(ctx->reset, 0); msleep(20); for (i = 0; i < ctx->desc->init_length; i++) { @@ -564,7 +564,7 @@ static int ili9881c_unprepare(struct drm_panel *panel) mipi_dsi_dcs_enter_sleep_mode(ctx->dsi); regulator_disable(ctx->power); - gpiod_set_value(ctx->reset, 1); + gpiod_set_value_cansleep(ctx->reset, 1); return 0; } diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 0dc4d891fe..26c99ffe78 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -2873,6 +2873,7 @@ static const struct display_timing koe_tx26d202vm0bwa_timing = { .vfront_porch = { 3, 5, 10 }, .vback_porch = { 2, 5, 10 }, .vsync_len = { 5, 5, 5 }, + .flags = DISPLAY_FLAGS_DE_HIGH, }; static const struct panel_desc koe_tx26d202vm0bwa = { diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c index 4c27124409..c2d1633dde 100644 --- a/drivers/gpu/drm/panfrost/panfrost_drv.c +++ b/drivers/gpu/drm/panfrost/panfrost_drv.c @@ -687,3 +687,4 @@ module_platform_driver(panfrost_driver); MODULE_AUTHOR("Panfrost Project Developers"); MODULE_DESCRIPTION("Panfrost DRM Driver"); MODULE_LICENSE("GPL v2"); +MODULE_SOFTDEP("pre: governor_simpleondemand"); diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index dc04412784..c17b24eee0 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -233,6 +233,9 @@ static int qxl_add_mode(struct drm_connector *connector, return 0; mode = drm_cvt_mode(dev, width, height, 60, false, false, false); + if (!mode) + return 0; + if (preferred) mode->type |= DRM_MODE_TYPE_PREFERRED; mode->hdisplay = width; diff --git a/drivers/gpu/drm/radeon/atombios.h b/drivers/gpu/drm/radeon/atombios.h index 83e8b8547f..5e86cab431 100644 --- a/drivers/gpu/drm/radeon/atombios.h +++ b/drivers/gpu/drm/radeon/atombios.h @@ -3615,7 +3615,7 @@ typedef struct _ATOM_FAKE_EDID_PATCH_RECORD { UCHAR ucRecordType; UCHAR ucFakeEDIDLength; - UCHAR ucFakeEDIDString[1]; // This actually has ucFakeEdidLength elements. + UCHAR ucFakeEDIDString[]; // This actually has ucFakeEdidLength elements. } ATOM_FAKE_EDID_PATCH_RECORD; typedef struct _ATOM_PANEL_RESOLUTION_PATCH_RECORD diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index 0de79f3a7e..820c2c3641 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -395,7 +395,7 @@ static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned i struct evergreen_cs_track *track = p->track; struct eg_surface surf; unsigned pitch, slice, mslice; - unsigned long offset; + u64 offset; int r; mslice = G_028C6C_SLICE_MAX(track->cb_color_view[id]) + 1; @@ -433,14 +433,14 @@ static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned i return r; } - offset = track->cb_color_bo_offset[id] << 8; + offset = (u64)track->cb_color_bo_offset[id] << 8; if (offset & (surf.base_align - 1)) { - dev_warn(p->dev, "%s:%d cb[%d] bo base %ld not aligned with %ld\n", + dev_warn(p->dev, "%s:%d cb[%d] bo base %llu not aligned with %ld\n", __func__, __LINE__, id, offset, surf.base_align); return -EINVAL; } - offset += surf.layer_size * mslice; + offset += (u64)surf.layer_size * mslice; if (offset > radeon_bo_size(track->cb_color_bo[id])) { /* old ddx are broken they allocate bo with w*h*bpp but * program slice with ALIGN(h, 8), catch this and patch @@ -448,14 +448,14 @@ static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned i */ if (!surf.mode) { uint32_t *ib = p->ib.ptr; - unsigned long tmp, nby, bsize, size, min = 0; + u64 tmp, nby, bsize, size, min = 0; /* find the height the ddx wants */ if (surf.nby > 8) { min = surf.nby - 8; } bsize = radeon_bo_size(track->cb_color_bo[id]); - tmp = track->cb_color_bo_offset[id] << 8; + tmp = (u64)track->cb_color_bo_offset[id] << 8; for (nby = surf.nby; nby > min; nby--) { size = nby * surf.nbx * surf.bpe * surf.nsamples; if ((tmp + size * mslice) <= bsize) { @@ -467,7 +467,7 @@ static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned i slice = ((nby * surf.nbx) / 64) - 1; if (!evergreen_surface_check(p, &surf, "cb")) { /* check if this one works */ - tmp += surf.layer_size * mslice; + tmp += (u64)surf.layer_size * mslice; if (tmp <= bsize) { ib[track->cb_color_slice_idx[id]] = slice; goto old_ddx_ok; @@ -476,9 +476,9 @@ static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned i } } dev_warn(p->dev, "%s:%d cb[%d] bo too small (layer size %d, " - "offset %d, max layer %d, bo size %ld, slice %d)\n", + "offset %llu, max layer %d, bo size %ld, slice %d)\n", __func__, __LINE__, id, surf.layer_size, - track->cb_color_bo_offset[id] << 8, mslice, + (u64)track->cb_color_bo_offset[id] << 8, mslice, radeon_bo_size(track->cb_color_bo[id]), slice); dev_warn(p->dev, "%s:%d problematic surf: (%d %d) (%d %d %d %d %d %d %d)\n", __func__, __LINE__, surf.nbx, surf.nby, @@ -562,7 +562,7 @@ static int evergreen_cs_track_validate_stencil(struct radeon_cs_parser *p) struct evergreen_cs_track *track = p->track; struct eg_surface surf; unsigned pitch, slice, mslice; - unsigned long offset; + u64 offset; int r; mslice = G_028008_SLICE_MAX(track->db_depth_view) + 1; @@ -608,18 +608,18 @@ static int evergreen_cs_track_validate_stencil(struct radeon_cs_parser *p) return r; } - offset = track->db_s_read_offset << 8; + offset = (u64)track->db_s_read_offset << 8; if (offset & (surf.base_align - 1)) { - dev_warn(p->dev, "%s:%d stencil read bo base %ld not aligned with %ld\n", + dev_warn(p->dev, "%s:%d stencil read bo base %llu not aligned with %ld\n", __func__, __LINE__, offset, surf.base_align); return -EINVAL; } - offset += surf.layer_size * mslice; + offset += (u64)surf.layer_size * mslice; if (offset > radeon_bo_size(track->db_s_read_bo)) { dev_warn(p->dev, "%s:%d stencil read bo too small (layer size %d, " - "offset %ld, max layer %d, bo size %ld)\n", + "offset %llu, max layer %d, bo size %ld)\n", __func__, __LINE__, surf.layer_size, - (unsigned long)track->db_s_read_offset << 8, mslice, + (u64)track->db_s_read_offset << 8, mslice, radeon_bo_size(track->db_s_read_bo)); dev_warn(p->dev, "%s:%d stencil invalid (0x%08x 0x%08x 0x%08x 0x%08x)\n", __func__, __LINE__, track->db_depth_size, @@ -627,18 +627,18 @@ static int evergreen_cs_track_validate_stencil(struct radeon_cs_parser *p) return -EINVAL; } - offset = track->db_s_write_offset << 8; + offset = (u64)track->db_s_write_offset << 8; if (offset & (surf.base_align - 1)) { - dev_warn(p->dev, "%s:%d stencil write bo base %ld not aligned with %ld\n", + dev_warn(p->dev, "%s:%d stencil write bo base %llu not aligned with %ld\n", __func__, __LINE__, offset, surf.base_align); return -EINVAL; } - offset += surf.layer_size * mslice; + offset += (u64)surf.layer_size * mslice; if (offset > radeon_bo_size(track->db_s_write_bo)) { dev_warn(p->dev, "%s:%d stencil write bo too small (layer size %d, " - "offset %ld, max layer %d, bo size %ld)\n", + "offset %llu, max layer %d, bo size %ld)\n", __func__, __LINE__, surf.layer_size, - (unsigned long)track->db_s_write_offset << 8, mslice, + (u64)track->db_s_write_offset << 8, mslice, radeon_bo_size(track->db_s_write_bo)); return -EINVAL; } @@ -659,7 +659,7 @@ static int evergreen_cs_track_validate_depth(struct radeon_cs_parser *p) struct evergreen_cs_track *track = p->track; struct eg_surface surf; unsigned pitch, slice, mslice; - unsigned long offset; + u64 offset; int r; mslice = G_028008_SLICE_MAX(track->db_depth_view) + 1; @@ -706,34 +706,34 @@ static int evergreen_cs_track_validate_depth(struct radeon_cs_parser *p) return r; } - offset = track->db_z_read_offset << 8; + offset = (u64)track->db_z_read_offset << 8; if (offset & (surf.base_align - 1)) { - dev_warn(p->dev, "%s:%d stencil read bo base %ld not aligned with %ld\n", + dev_warn(p->dev, "%s:%d stencil read bo base %llu not aligned with %ld\n", __func__, __LINE__, offset, surf.base_align); return -EINVAL; } - offset += surf.layer_size * mslice; + offset += (u64)surf.layer_size * mslice; if (offset > radeon_bo_size(track->db_z_read_bo)) { dev_warn(p->dev, "%s:%d depth read bo too small (layer size %d, " - "offset %ld, max layer %d, bo size %ld)\n", + "offset %llu, max layer %d, bo size %ld)\n", __func__, __LINE__, surf.layer_size, - (unsigned long)track->db_z_read_offset << 8, mslice, + (u64)track->db_z_read_offset << 8, mslice, radeon_bo_size(track->db_z_read_bo)); return -EINVAL; } - offset = track->db_z_write_offset << 8; + offset = (u64)track->db_z_write_offset << 8; if (offset & (surf.base_align - 1)) { - dev_warn(p->dev, "%s:%d stencil write bo base %ld not aligned with %ld\n", + dev_warn(p->dev, "%s:%d stencil write bo base %llu not aligned with %ld\n", __func__, __LINE__, offset, surf.base_align); return -EINVAL; } - offset += surf.layer_size * mslice; + offset += (u64)surf.layer_size * mslice; if (offset > radeon_bo_size(track->db_z_write_bo)) { dev_warn(p->dev, "%s:%d depth write bo too small (layer size %d, " - "offset %ld, max layer %d, bo size %ld)\n", + "offset %llu, max layer %d, bo size %ld)\n", __func__, __LINE__, surf.layer_size, - (unsigned long)track->db_z_write_offset << 8, mslice, + (u64)track->db_z_write_offset << 8, mslice, radeon_bo_size(track->db_z_write_bo)); return -EINVAL; } diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index d3ad98bd25..d7256d1a1f 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -1014,45 +1014,65 @@ static int r100_cp_init_microcode(struct radeon_device *rdev) DRM_DEBUG_KMS("\n"); - if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) || - (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) || - (rdev->family == CHIP_RS200)) { + switch (rdev->family) { + case CHIP_R100: + case CHIP_RV100: + case CHIP_RV200: + case CHIP_RS100: + case CHIP_RS200: DRM_INFO("Loading R100 Microcode\n"); fw_name = FIRMWARE_R100; - } else if ((rdev->family == CHIP_R200) || - (rdev->family == CHIP_RV250) || - (rdev->family == CHIP_RV280) || - (rdev->family == CHIP_RS300)) { + break; + + case CHIP_R200: + case CHIP_RV250: + case CHIP_RV280: + case CHIP_RS300: DRM_INFO("Loading R200 Microcode\n"); fw_name = FIRMWARE_R200; - } else if ((rdev->family == CHIP_R300) || - (rdev->family == CHIP_R350) || - (rdev->family == CHIP_RV350) || - (rdev->family == CHIP_RV380) || - (rdev->family == CHIP_RS400) || - (rdev->family == CHIP_RS480)) { + break; + + case CHIP_R300: + case CHIP_R350: + case CHIP_RV350: + case CHIP_RV380: + case CHIP_RS400: + case CHIP_RS480: DRM_INFO("Loading R300 Microcode\n"); fw_name = FIRMWARE_R300; - } else if ((rdev->family == CHIP_R420) || - (rdev->family == CHIP_R423) || - (rdev->family == CHIP_RV410)) { + break; + + case CHIP_R420: + case CHIP_R423: + case CHIP_RV410: DRM_INFO("Loading R400 Microcode\n"); fw_name = FIRMWARE_R420; - } else if ((rdev->family == CHIP_RS690) || - (rdev->family == CHIP_RS740)) { + break; + + case CHIP_RS690: + case CHIP_RS740: DRM_INFO("Loading RS690/RS740 Microcode\n"); fw_name = FIRMWARE_RS690; - } else if (rdev->family == CHIP_RS600) { + break; + + case CHIP_RS600: DRM_INFO("Loading RS600 Microcode\n"); fw_name = FIRMWARE_RS600; - } else if ((rdev->family == CHIP_RV515) || - (rdev->family == CHIP_R520) || - (rdev->family == CHIP_RV530) || - (rdev->family == CHIP_R580) || - (rdev->family == CHIP_RV560) || - (rdev->family == CHIP_RV570)) { + break; + + case CHIP_RV515: + case CHIP_R520: + case CHIP_RV530: + case CHIP_R580: + case CHIP_RV560: + case CHIP_RV570: DRM_INFO("Loading R500 Microcode\n"); fw_name = FIRMWARE_R520; + break; + + default: + DRM_ERROR("Unsupported Radeon family %u\n", rdev->family); + return -EINVAL; } err = request_firmware(&rdev->me_fw, fw_name, rdev->dev); diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 895776c421..71037061a3 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -132,7 +132,6 @@ extern int radeon_cik_support; /* RADEON_IB_POOL_SIZE must be a power of 2 */ #define RADEON_IB_POOL_SIZE 16 #define RADEON_DEBUGFS_MAX_COMPONENTS 32 -#define RADEONFB_CONN_LIMIT 4 #define RADEON_BIOS_NUM_SCRATCH 8 /* internal ring indices */ diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 28c4413f4d..7ab38317d8 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1714,23 +1714,29 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct fake_edid_record = (ATOM_FAKE_EDID_PATCH_RECORD *)record; if (fake_edid_record->ucFakeEDIDLength) { struct edid *edid; - int edid_size = - max((int)EDID_LENGTH, (int)fake_edid_record->ucFakeEDIDLength); - edid = kmalloc(edid_size, GFP_KERNEL); + int edid_size; + + if (fake_edid_record->ucFakeEDIDLength == 128) + edid_size = fake_edid_record->ucFakeEDIDLength; + else + edid_size = fake_edid_record->ucFakeEDIDLength * 128; + edid = kmemdup(&fake_edid_record->ucFakeEDIDString[0], + edid_size, GFP_KERNEL); if (edid) { - memcpy((u8 *)edid, (u8 *)&fake_edid_record->ucFakeEDIDString[0], - fake_edid_record->ucFakeEDIDLength); - if (drm_edid_is_valid(edid)) { rdev->mode_info.bios_hardcoded_edid = edid; rdev->mode_info.bios_hardcoded_edid_size = edid_size; - } else + } else { kfree(edid); + } } + record += struct_size(fake_edid_record, + ucFakeEDIDString, + edid_size); + } else { + /* empty fake edid record must be 3 bytes long */ + record += sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1; } - record += fake_edid_record->ucFakeEDIDLength ? - fake_edid_record->ucFakeEDIDLength + 2 : - sizeof(ATOM_FAKE_EDID_PATCH_RECORD); break; case LCD_PANEL_RESOLUTION_RECORD_TYPE: panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record; diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 6337fad441..05c88e4166 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -677,7 +677,7 @@ static void radeon_crtc_init(struct drm_device *dev, int index) struct radeon_device *rdev = dev->dev_private; struct radeon_crtc *radeon_crtc; - radeon_crtc = kzalloc(sizeof(struct radeon_crtc) + (RADEONFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); + radeon_crtc = kzalloc(sizeof(*radeon_crtc), GFP_KERNEL); if (radeon_crtc == NULL) return; @@ -703,12 +703,6 @@ static void radeon_crtc_init(struct drm_device *dev, int index) dev->mode_config.cursor_width = radeon_crtc->max_cursor_width; dev->mode_config.cursor_height = radeon_crtc->max_cursor_height; -#if 0 - radeon_crtc->mode_set.crtc = &radeon_crtc->base; - radeon_crtc->mode_set.connectors = (struct drm_connector **)(radeon_crtc + 1); - radeon_crtc->mode_set.num_connectors = 0; -#endif - if (rdev->is_atom_bios && (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom)) radeon_atombios_init_crtc(dev, radeon_crtc); else diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index 46549d5179..d49a6d4a43 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -41,7 +41,7 @@ static uint32_t radeon_encoder_clones(struct drm_encoder *encoder) struct radeon_device *rdev = dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct drm_encoder *clone_encoder; - uint32_t index_mask = 0; + uint32_t index_mask = drm_encoder_mask(encoder); int count; /* DIG routing gets problematic */ diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index 57218263ef..277a313432 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -653,7 +653,7 @@ static void radeon_gem_va_update_vm(struct radeon_device *rdev, if (r) goto error_unlock; - if (bo_va->it.start) + if (bo_va->it.start && bo_va->bo) r = radeon_vm_bo_update(rdev, bo_va, bo_va->bo->tbo.resource); error_unlock: diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c index d49c145db4..f7f1ddc6cd 100644 --- a/drivers/gpu/drm/radeon/sumo_dpm.c +++ b/drivers/gpu/drm/radeon/sumo_dpm.c @@ -1621,6 +1621,8 @@ void sumo_construct_vid_mapping_table(struct radeon_device *rdev, for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) { if (table[i].ulSupportedSCLK != 0) { + if (table[i].usVoltageIndex >= SUMO_MAX_NUMBER_VOLTAGES) + continue; vid_mapping_table->entries[table[i].usVoltageIndex].vid_7bit = table[i].usVoltageID; vid_mapping_table->entries[table[i].usVoltageIndex].vid_2bit = diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c index 8677c82716..9e1c34af53 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -389,6 +389,8 @@ static void dw_hdmi_rk3328_setup_hpd(struct dw_hdmi *dw_hdmi, void *data) HIWORD_UPDATE(RK3328_HDMI_SDAIN_MSK | RK3328_HDMI_SCLIN_MSK, RK3328_HDMI_SDAIN_MSK | RK3328_HDMI_SCLIN_MSK | RK3328_HDMI_HPD_IOE)); + + dw_hdmi_rk3328_read_hpd(dw_hdmi, data); } static const struct dw_hdmi_phy_ops rk3228_hdmi_phy_ops = { diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index c7106f1165..40e733fd88 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include #include @@ -66,6 +67,9 @@ #define VOP_REG_SET(vop, group, name, v) \ vop_reg_set(vop, &vop->data->group->name, 0, ~0, v, #name) +#define VOP_HAS_REG(vop, group, name) \ + (!!(vop->data->group->name.mask)) + #define VOP_INTR_SET_TYPE(vop, name, type, v) \ do { \ int i, reg = 0, mask = 0; \ @@ -371,8 +375,8 @@ static void scl_vop_cal_scl_fac(struct vop *vop, const struct vop_win_data *win, if (info->is_yuv) is_yuv = true; - if (dst_w > 3840) { - DRM_DEV_ERROR(vop->dev, "Maximum dst width (3840) exceeded\n"); + if (dst_w > 4096) { + DRM_DEV_ERROR(vop->dev, "Maximum dst width (4096) exceeded\n"); return; } @@ -1211,17 +1215,22 @@ static bool vop_dsp_lut_is_enabled(struct vop *vop) return vop_read_reg(vop, 0, &vop->data->common->dsp_lut_en); } +static u32 vop_lut_buffer_index(struct vop *vop) +{ + return vop_read_reg(vop, 0, &vop->data->common->lut_buffer_index); +} + static void vop_crtc_write_gamma_lut(struct vop *vop, struct drm_crtc *crtc) { struct drm_color_lut *lut = crtc->state->gamma_lut->data; - unsigned int i; + unsigned int i, bpc = ilog2(vop->data->lut_size); for (i = 0; i < crtc->gamma_size; i++) { u32 word; - word = (drm_color_lut_extract(lut[i].red, 10) << 20) | - (drm_color_lut_extract(lut[i].green, 10) << 10) | - drm_color_lut_extract(lut[i].blue, 10); + word = (drm_color_lut_extract(lut[i].red, bpc) << (2 * bpc)) | + (drm_color_lut_extract(lut[i].green, bpc) << bpc) | + drm_color_lut_extract(lut[i].blue, bpc); writel(word, vop->lut_regs + i * 4); } } @@ -1231,38 +1240,66 @@ static void vop_crtc_gamma_set(struct vop *vop, struct drm_crtc *crtc, { struct drm_crtc_state *state = crtc->state; unsigned int idle; + u32 lut_idx, old_idx; int ret; if (!vop->lut_regs) return; - /* - * To disable gamma (gamma_lut is null) or to write - * an update to the LUT, clear dsp_lut_en. - */ - spin_lock(&vop->reg_lock); - VOP_REG_SET(vop, common, dsp_lut_en, 0); - vop_cfg_done(vop); - spin_unlock(&vop->reg_lock); - /* - * In order to write the LUT to the internal memory, - * we need to first make sure the dsp_lut_en bit is cleared. - */ - ret = readx_poll_timeout(vop_dsp_lut_is_enabled, vop, - idle, !idle, 5, 30 * 1000); - if (ret) { - DRM_DEV_ERROR(vop->dev, "display LUT RAM enable timeout!\n"); - return; - } + if (!state->gamma_lut || !VOP_HAS_REG(vop, common, update_gamma_lut)) { + /* + * To disable gamma (gamma_lut is null) or to write + * an update to the LUT, clear dsp_lut_en. + */ + spin_lock(&vop->reg_lock); + VOP_REG_SET(vop, common, dsp_lut_en, 0); + vop_cfg_done(vop); + spin_unlock(&vop->reg_lock); - if (!state->gamma_lut) - return; + /* + * In order to write the LUT to the internal memory, + * we need to first make sure the dsp_lut_en bit is cleared. + */ + ret = readx_poll_timeout(vop_dsp_lut_is_enabled, vop, + idle, !idle, 5, 30 * 1000); + if (ret) { + DRM_DEV_ERROR(vop->dev, "display LUT RAM enable timeout!\n"); + return; + } + + if (!state->gamma_lut) + return; + } else { + /* + * On RK3399 the gamma LUT can updated without clearing dsp_lut_en, + * by setting update_gamma_lut then waiting for lut_buffer_index change + */ + old_idx = vop_lut_buffer_index(vop); + } spin_lock(&vop->reg_lock); vop_crtc_write_gamma_lut(vop, crtc); VOP_REG_SET(vop, common, dsp_lut_en, 1); + VOP_REG_SET(vop, common, update_gamma_lut, 1); vop_cfg_done(vop); spin_unlock(&vop->reg_lock); + + if (VOP_HAS_REG(vop, common, update_gamma_lut)) { + ret = readx_poll_timeout(vop_lut_buffer_index, vop, + lut_idx, lut_idx != old_idx, 5, 30 * 1000); + if (ret) { + DRM_DEV_ERROR(vop->dev, "gamma LUT update timeout!\n"); + return; + } + + /* + * update_gamma_lut is auto cleared by HW, but write 0 to clear the bit + * in our backup of the regs. + */ + spin_lock(&vop->reg_lock); + VOP_REG_SET(vop, common, update_gamma_lut, 0); + spin_unlock(&vop->reg_lock); + } } static void vop_crtc_atomic_begin(struct drm_crtc *crtc, @@ -1312,14 +1349,6 @@ static void vop_crtc_atomic_enable(struct drm_crtc *crtc, return; } - /* - * If we have a GAMMA LUT in the state, then let's make sure - * it's updated. We might be coming out of suspend, - * which means the LUT internal memory needs to be re-written. - */ - if (crtc->state->gamma_lut) - vop_crtc_gamma_set(vop, crtc, old_state); - mutex_lock(&vop->vop_lock); WARN_ON(vop->event); @@ -1410,6 +1439,14 @@ static void vop_crtc_atomic_enable(struct drm_crtc *crtc, VOP_REG_SET(vop, common, standby, 0); mutex_unlock(&vop->vop_lock); + + /* + * If we have a GAMMA LUT in the state, then let's make sure + * it's updated. We might be coming out of suspend, + * which means the LUT internal memory needs to be re-written. + */ + if (crtc->state->gamma_lut) + vop_crtc_gamma_set(vop, crtc, old_state); } static bool vop_fs_irq_is_pending(struct vop *vop) @@ -1507,6 +1544,10 @@ static void vop_crtc_atomic_flush(struct drm_crtc *crtc, VOP_AFBC_SET(vop, enable, s->enable_afbc); vop_cfg_done(vop); + /* Ack the DMA transfer of the previous frame (RK3066). */ + if (VOP_HAS_REG(vop, common, dma_stop)) + VOP_REG_SET(vop, common, dma_stop, 0); + spin_unlock(&vop->reg_lock); /* @@ -2139,8 +2180,8 @@ static int vop_bind(struct device *dev, struct device *master, void *data) res = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (res) { - if (!vop_data->lut_size) { - DRM_DEV_ERROR(dev, "no gamma LUT size defined\n"); + if (vop_data->lut_size != 1024 && vop_data->lut_size != 256) { + DRM_DEV_ERROR(dev, "unsupported gamma LUT size %d\n", vop_data->lut_size); return -EINVAL; } vop->lut_regs = devm_ioremap_resource(dev, res); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h index 857d97cdc6..32d1783be0 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h @@ -99,8 +99,11 @@ struct vop_common { struct vop_reg dither_down_en; struct vop_reg dither_up; struct vop_reg dsp_lut_en; + struct vop_reg update_gamma_lut; + struct vop_reg lut_buffer_index; struct vop_reg gate_en; struct vop_reg mmu_en; + struct vop_reg dma_stop; struct vop_reg out_mode; struct vop_reg standby; }; diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c index 8c873fcd0e..3bcc3d614e 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c @@ -424,6 +424,7 @@ static const struct vop_output rk3066_output = { }; static const struct vop_common rk3066_common = { + .dma_stop = VOP_REG(RK3066_SYS_CTRL0, 0x1, 0), .standby = VOP_REG(RK3066_SYS_CTRL0, 0x1, 1), .out_mode = VOP_REG(RK3066_DSP_CTRL0, 0xf, 0), .cfg_done = VOP_REG(RK3066_REG_CFG_DONE, 0x1, 0), @@ -865,6 +866,24 @@ static const struct vop_output rk3399_output = { .mipi_dual_channel_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 3), }; +static const struct vop_common rk3399_common = { + .standby = VOP_REG_SYNC(RK3399_SYS_CTRL, 0x1, 22), + .gate_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 23), + .mmu_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 20), + .dither_down_sel = VOP_REG(RK3399_DSP_CTRL1, 0x1, 4), + .dither_down_mode = VOP_REG(RK3399_DSP_CTRL1, 0x1, 3), + .dither_down_en = VOP_REG(RK3399_DSP_CTRL1, 0x1, 2), + .pre_dither_down = VOP_REG(RK3399_DSP_CTRL1, 0x1, 1), + .dither_up = VOP_REG(RK3399_DSP_CTRL1, 0x1, 6), + .dsp_lut_en = VOP_REG(RK3399_DSP_CTRL1, 0x1, 0), + .update_gamma_lut = VOP_REG(RK3399_DSP_CTRL1, 0x1, 7), + .lut_buffer_index = VOP_REG(RK3399_DBG_POST_REG1, 0x1, 1), + .data_blank = VOP_REG(RK3399_DSP_CTRL0, 0x1, 19), + .dsp_blank = VOP_REG(RK3399_DSP_CTRL0, 0x3, 18), + .out_mode = VOP_REG(RK3399_DSP_CTRL0, 0xf, 0), + .cfg_done = VOP_REG_SYNC(RK3399_REG_CFG_DONE, 0x1, 0), +}; + static const struct vop_yuv2yuv_phy rk3399_yuv2yuv_win01_data = { .y2r_coefficients = { VOP_REG(RK3399_WIN0_YUV2YUV_Y2R + 0, 0xffff, 0), @@ -946,7 +965,7 @@ static const struct vop_data rk3399_vop_big = { .version = VOP_VERSION(3, 5), .feature = VOP_FEATURE_OUTPUT_RGB10, .intr = &rk3366_vop_intr, - .common = &rk3288_common, + .common = &rk3399_common, .modeset = &rk3288_modeset, .output = &rk3399_output, .afbc = &rk3399_vop_afbc, @@ -954,6 +973,7 @@ static const struct vop_data rk3399_vop_big = { .win = rk3399_vop_win_data, .win_size = ARRAY_SIZE(rk3399_vop_win_data), .win_yuv2yuv = rk3399_vop_big_win_yuv2yuv_data, + .lut_size = 1024, }; static const struct vop_win_data rk3399_vop_lit_win_data[] = { @@ -972,13 +992,14 @@ static const struct vop_win_yuv2yuv_data rk3399_vop_lit_win_yuv2yuv_data[] = { static const struct vop_data rk3399_vop_lit = { .version = VOP_VERSION(3, 6), .intr = &rk3366_vop_intr, - .common = &rk3288_common, + .common = &rk3399_common, .modeset = &rk3288_modeset, .output = &rk3399_output, .misc = &rk3368_misc, .win = rk3399_vop_lit_win_data, .win_size = ARRAY_SIZE(rk3399_vop_lit_win_data), .win_yuv2yuv = rk3399_vop_lit_win_yuv2yuv_data, + .lut_size = 256, }; static const struct vop_win_data rk3228_vop_win_data[] = { diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.h b/drivers/gpu/drm/rockchip/rockchip_vop_reg.h index 0b3cd65ba5..406e981c75 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.h +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.h @@ -628,6 +628,7 @@ #define RK3399_YUV2YUV_WIN 0x02c0 #define RK3399_YUV2YUV_POST 0x02c4 #define RK3399_AUTO_GATING_EN 0x02cc +#define RK3399_DBG_POST_REG1 0x036c #define RK3399_WIN0_CSC_COE 0x03a0 #define RK3399_WIN1_CSC_COE 0x03c0 #define RK3399_WIN2_CSC_COE 0x03e0 diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c index 79554aa4db..049d520226 100644 --- a/drivers/gpu/drm/scheduler/sched_entity.c +++ b/drivers/gpu/drm/scheduler/sched_entity.c @@ -99,8 +99,10 @@ void drm_sched_entity_modify_sched(struct drm_sched_entity *entity, { WARN_ON(!num_sched_list || !sched_list); + spin_lock(&entity->rq_lock); entity->sched_list = sched_list; entity->num_sched_list = num_sched_list; + spin_unlock(&entity->rq_lock); } EXPORT_SYMBOL(drm_sched_entity_modify_sched); diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c index 222869b232..d8f4d11509 100644 --- a/drivers/gpu/drm/stm/drv.c +++ b/drivers/gpu/drm/stm/drv.c @@ -195,12 +195,14 @@ static int stm_drm_platform_probe(struct platform_device *pdev) ret = drm_dev_register(ddev, 0); if (ret) - goto err_put; + goto err_unload; drm_fbdev_generic_setup(ddev, 16); return 0; +err_unload: + drv_unload(ddev); err_put: drm_dev_put(ddev); diff --git a/drivers/gpu/drm/v3d/v3d_perfmon.c b/drivers/gpu/drm/v3d/v3d_perfmon.c index f6a88abccc..b74b537e62 100644 --- a/drivers/gpu/drm/v3d/v3d_perfmon.c +++ b/drivers/gpu/drm/v3d/v3d_perfmon.c @@ -101,6 +101,11 @@ void v3d_perfmon_open_file(struct v3d_file_priv *v3d_priv) static int v3d_perfmon_idr_del(int id, void *elem, void *data) { struct v3d_perfmon *perfmon = elem; + struct v3d_dev *v3d = (struct v3d_dev *)data; + + /* If the active perfmon is being destroyed, stop it first */ + if (perfmon == v3d->active_perfmon) + v3d_perfmon_stop(v3d, perfmon, false); v3d_perfmon_put(perfmon); @@ -109,8 +114,10 @@ static int v3d_perfmon_idr_del(int id, void *elem, void *data) void v3d_perfmon_close_file(struct v3d_file_priv *v3d_priv) { + struct v3d_dev *v3d = v3d_priv->v3d; + mutex_lock(&v3d_priv->perfmon.lock); - idr_for_each(&v3d_priv->perfmon.idr, v3d_perfmon_idr_del, NULL); + idr_for_each(&v3d_priv->perfmon.idr, v3d_perfmon_idr_del, v3d); idr_destroy(&v3d_priv->perfmon.idr); mutex_unlock(&v3d_priv->perfmon.lock); } diff --git a/drivers/gpu/drm/vboxvideo/hgsmi_base.c b/drivers/gpu/drm/vboxvideo/hgsmi_base.c index 8c041d7ce4..87dccaecc3 100644 --- a/drivers/gpu/drm/vboxvideo/hgsmi_base.c +++ b/drivers/gpu/drm/vboxvideo/hgsmi_base.c @@ -139,7 +139,15 @@ int hgsmi_update_pointer_shape(struct gen_pool *ctx, u32 flags, flags |= VBOX_MOUSE_POINTER_VISIBLE; } - p = hgsmi_buffer_alloc(ctx, sizeof(*p) + pixel_len, HGSMI_CH_VBVA, + /* + * The 4 extra bytes come from switching struct vbva_mouse_pointer_shape + * from having a 4 bytes fixed array at the end to using a proper VLA + * at the end. These 4 extra bytes were not subtracted from sizeof(*p) + * before the switch to the VLA, so this way the behavior is unchanged. + * Chances are these 4 extra bytes are not necessary but they are kept + * to avoid regressions. + */ + p = hgsmi_buffer_alloc(ctx, sizeof(*p) + pixel_len + 4, HGSMI_CH_VBVA, VBVA_MOUSE_POINTER_SHAPE); if (!p) return -ENOMEM; diff --git a/drivers/gpu/drm/vboxvideo/vboxvideo.h b/drivers/gpu/drm/vboxvideo/vboxvideo.h index a5de40fe1a..bed285fe08 100644 --- a/drivers/gpu/drm/vboxvideo/vboxvideo.h +++ b/drivers/gpu/drm/vboxvideo/vboxvideo.h @@ -351,10 +351,8 @@ struct vbva_mouse_pointer_shape { * Bytes in the gap between the AND and the XOR mask are undefined. * XOR mask scanlines have no gap between them and size of XOR mask is: * xor_len = width * 4 * height. - * - * Preallocate 4 bytes for accessing actual data as p->data. */ - u8 data[4]; + u8 data[]; } __packed; /* pointer is visible */ diff --git a/drivers/gpu/drm/vmwgfx/Kconfig b/drivers/gpu/drm/vmwgfx/Kconfig index c9ce47c448..5b9a9fba85 100644 --- a/drivers/gpu/drm/vmwgfx/Kconfig +++ b/drivers/gpu/drm/vmwgfx/Kconfig @@ -2,7 +2,7 @@ config DRM_VMWGFX tristate "DRM driver for VMware Virtual GPU" depends on DRM && PCI && MMU - depends on X86 || ARM64 + depends on (X86 && HYPERVISOR_GUEST) || ARM64 select DRM_TTM select MAPPING_DIRTY_HELPERS # Only needed for the transitional use of drm_crtc_init - can be removed diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 8449d09c06..0f09a9116b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -904,13 +904,6 @@ static int vmw_driver_load(struct vmw_private *dev_priv, u32 pci_id) vmw_read(dev_priv, SVGA_REG_SUGGESTED_GBOBJECT_MEM_SIZE_KB); - /* - * Workaround for low memory 2D VMs to compensate for the - * allocation taken by fbdev - */ - if (!(dev_priv->capabilities & SVGA_CAP_3D)) - mem_size *= 3; - dev_priv->max_mob_pages = mem_size * 1024 / PAGE_SIZE; dev_priv->max_primary_mem = vmw_read(dev_priv, SVGA_REG_MAX_PRIMARY_MEM); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 7bb7a69321..9c60bb2aef 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -59,7 +59,7 @@ #define VMWGFX_DRIVER_MINOR 19 #define VMWGFX_DRIVER_PATCHLEVEL 0 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) -#define VMWGFX_MAX_DISPLAYS 16 +#define VMWGFX_NUM_DISPLAY_UNITS 8 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 #define VMWGFX_PCI_ID_SVGA2 0x0405 @@ -71,7 +71,7 @@ #define VMWGFX_NUM_GB_CONTEXT 256 #define VMWGFX_NUM_GB_SHADER 20000 #define VMWGFX_NUM_GB_SURFACE 32768 -#define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS +#define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_NUM_DISPLAY_UNITS #define VMWGFX_NUM_DXCONTEXT 256 #define VMWGFX_NUM_DXQUERY 512 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c index 50eba25456..61fcd86edf 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c @@ -32,7 +32,6 @@ #define VMW_FENCE_WRAP (1 << 31) struct vmw_fence_manager { - int num_fence_objects; struct vmw_private *dev_priv; spinlock_t lock; struct list_head fence_list; @@ -127,13 +126,13 @@ static void vmw_fence_obj_destroy(struct dma_fence *f) { struct vmw_fence_obj *fence = container_of(f, struct vmw_fence_obj, base); - struct vmw_fence_manager *fman = fman_from_fence(fence); - spin_lock(&fman->lock); - list_del_init(&fence->head); - --fman->num_fence_objects; - spin_unlock(&fman->lock); + if (!list_empty(&fence->head)) { + spin_lock(&fman->lock); + list_del_init(&fence->head); + spin_unlock(&fman->lock); + } fence->destroy(fence); } @@ -260,7 +259,6 @@ static const struct dma_fence_ops vmw_fence_ops = { .release = vmw_fence_obj_destroy, }; - /* * Execute signal actions on fences recently signaled. * This is done from a workqueue so we don't have to execute @@ -363,7 +361,6 @@ static int vmw_fence_obj_init(struct vmw_fence_manager *fman, goto out_unlock; } list_add_tail(&fence->head, &fman->fence_list); - ++fman->num_fence_objects; out_unlock: spin_unlock(&fman->lock); @@ -411,7 +408,7 @@ static bool vmw_fence_goal_new_locked(struct vmw_fence_manager *fman, u32 passed_seqno) { u32 goal_seqno; - struct vmw_fence_obj *fence; + struct vmw_fence_obj *fence, *next_fence; if (likely(!fman->seqno_valid)) return false; @@ -421,7 +418,7 @@ static bool vmw_fence_goal_new_locked(struct vmw_fence_manager *fman, return false; fman->seqno_valid = false; - list_for_each_entry(fence, &fman->fence_list, head) { + list_for_each_entry_safe(fence, next_fence, &fman->fence_list, head) { if (!list_empty(&fence->seq_passed_actions)) { fman->seqno_valid = true; vmw_fence_goal_write(fman->dev_priv, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index e2a52b5de1..8a9b619204 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -1417,6 +1417,7 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, DRM_ERROR("Surface size cannot exceed %dx%d\n", dev_priv->texture_max_width, dev_priv->texture_max_height); + ret = -EINVAL; goto err_out; } @@ -2294,7 +2295,7 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, struct drm_mode_config *mode_config = &dev->mode_config; struct drm_vmw_update_layout_arg *arg = (struct drm_vmw_update_layout_arg *)data; - void __user *user_rects; + const void __user *user_rects; struct drm_vmw_rect *rects; struct drm_rect *drm_rects; unsigned rects_size; @@ -2307,6 +2308,8 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, def_rect.x2, def_rect.y2); vmw_du_update_layout(dev_priv, 1, &def_rect); return 0; + } else if (arg->num_outputs > VMWGFX_NUM_DISPLAY_UNITS) { + return -E2BIG; } rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h index 23c2dc943c..85595d0bcf 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h @@ -198,9 +198,6 @@ struct vmw_kms_dirty { s32 unit_y2; }; -#define VMWGFX_NUM_DISPLAY_UNITS 8 - - #define vmw_framebuffer_to_vfb(x) \ container_of(x, struct vmw_framebuffer, base) #define vmw_framebuffer_to_vfbs(x) \ diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c index 54c5d16eb3..ec46b3b70d 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c @@ -98,7 +98,7 @@ static int vmw_overlay_send_put(struct vmw_private *dev_priv, { struct vmw_escape_video_flush *flush; size_t fifo_size; - bool have_so = (dev_priv->active_display_unit == vmw_du_screen_object); + bool have_so = (dev_priv->active_display_unit != vmw_du_legacy); int i, num_items; SVGAGuestPtr ptr; diff --git a/drivers/greybus/interface.c b/drivers/greybus/interface.c index 9ec949a438..52ef6be9d4 100644 --- a/drivers/greybus/interface.c +++ b/drivers/greybus/interface.c @@ -694,6 +694,7 @@ static void gb_interface_release(struct device *dev) trace_gb_interface_release(intf); + cancel_work_sync(&intf->mode_switch_work); kfree(intf); } diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_client.c b/drivers/hid/amd-sfh-hid/amd_sfh_client.c index 911a23a9bc..71cac50a03 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_client.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_client.c @@ -163,9 +163,9 @@ int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata) cl_data->in_data = in_data; for (i = 0; i < cl_data->num_hid_devices; i++) { - in_data->sensor_virt_addr[i] = dma_alloc_coherent(dev, sizeof(int) * 8, - &cl_data->sensor_dma_addr[i], - GFP_KERNEL); + in_data->sensor_virt_addr[i] = dmam_alloc_coherent(dev, sizeof(int) * 8, + &cl_data->sensor_dma_addr[i], + GFP_KERNEL); if (!in_data->sensor_virt_addr[i]) { rc = -ENOMEM; goto cleanup; @@ -263,7 +263,6 @@ int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata) int amd_sfh_hid_client_deinit(struct amd_mp2_dev *privdata) { struct amdtp_cl_data *cl_data = privdata->cl_data; - struct amd_input_data *in_data = cl_data->in_data; int i, status; for (i = 0; i < cl_data->num_hid_devices; i++) { @@ -282,12 +281,5 @@ int amd_sfh_hid_client_deinit(struct amd_mp2_dev *privdata) cancel_delayed_work_sync(&cl_data->work_buffer); amdtp_hid_remove(cl_data); - for (i = 0; i < cl_data->num_hid_devices; i++) { - if (in_data->sensor_virt_addr[i]) { - dma_free_coherent(&privdata->pdev->dev, 8 * sizeof(int), - in_data->sensor_virt_addr[i], - cl_data->sensor_dma_addr[i]); - } - } return 0; } diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_hid.c b/drivers/hid/amd-sfh-hid/amd_sfh_hid.c index 3b0615c6ae..b47228207d 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_hid.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_hid.c @@ -164,11 +164,13 @@ int amdtp_hid_probe(u32 cur_hid_dev, struct amdtp_cl_data *cli_data) void amdtp_hid_remove(struct amdtp_cl_data *cli_data) { int i; + struct amdtp_hid_data *hid_data; for (i = 0; i < cli_data->num_hid_devices; ++i) { if (cli_data->hid_sensor_hubs[i]) { - kfree(cli_data->hid_sensor_hubs[i]->driver_data); + hid_data = cli_data->hid_sensor_hubs[i]->driver_data; hid_destroy_device(cli_data->hid_sensor_hubs[i]); + kfree(hid_data); cli_data->hid_sensor_hubs[i] = NULL; } } diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 7b76405df8..07c2e5e38f 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1446,7 +1446,6 @@ static void implement(const struct hid_device *hid, u8 *report, hid_warn(hid, "%s() called with too large value %d (n: %d)! (%s)\n", __func__, value, n, current->comm); - WARN_ON(1); value &= m; } } @@ -1665,7 +1664,7 @@ u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags) u32 len = hid_report_len(report) + 7; - return kmalloc(len, flags); + return kzalloc(len, flags); } EXPORT_SYMBOL_GPL(hid_alloc_report_buf); diff --git a/drivers/hid/hid-cougar.c b/drivers/hid/hid-cougar.c index 28d671c5e0..d173b13ff1 100644 --- a/drivers/hid/hid-cougar.c +++ b/drivers/hid/hid-cougar.c @@ -106,7 +106,7 @@ static void cougar_fix_g6_mapping(void) static __u8 *cougar_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { - if (rdesc[2] == 0x09 && rdesc[3] == 0x02 && + if (*rsize >= 117 && rdesc[2] == 0x09 && rdesc[3] == 0x02 && (rdesc[115] | rdesc[116] << 8) >= HID_MAX_USAGES) { hid_info(hdev, "usage count exceeds max: fixing up report descriptor\n"); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 7b1fdfde5b..81db294dda 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -484,6 +484,8 @@ #define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100 0xe100 #define I2C_VENDOR_ID_GOODIX 0x27c6 +#define I2C_DEVICE_ID_GOODIX_01E8 0x01e8 +#define I2C_DEVICE_ID_GOODIX_01E9 0x01e9 #define I2C_DEVICE_ID_GOODIX_01F0 0x01f0 #define USB_VENDOR_ID_GOODTOUCH 0x1aad @@ -760,6 +762,7 @@ #define USB_DEVICE_ID_LENOVO_X1_TAB 0x60a3 #define USB_DEVICE_ID_LENOVO_X1_TAB3 0x60b5 #define USB_DEVICE_ID_LENOVO_X12_TAB 0x60fe +#define USB_DEVICE_ID_LENOVO_X12_TAB2 0x61ae #define USB_DEVICE_ID_LENOVO_OPTICAL_USB_MOUSE_600E 0x600e #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_608D 0x608d #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_6019 0x6019 @@ -777,6 +780,7 @@ #define USB_DEVICE_ID_LOGITECH_AUDIOHUB 0x0a0e #define USB_DEVICE_ID_LOGITECH_T651 0xb00c #define USB_DEVICE_ID_LOGITECH_DINOVO_EDGE_KBD 0xb309 +#define USB_DEVICE_ID_LOGITECH_CASA_TOUCHPAD 0xbb00 #define USB_DEVICE_ID_LOGITECH_C007 0xc007 #define USB_DEVICE_ID_LOGITECH_C077 0xc077 #define USB_DEVICE_ID_LOGITECH_RECEIVER 0xc101 @@ -827,6 +831,7 @@ #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1 0xc539 #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_1 0xc53f #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_POWERPLAY 0xc53a +#define USB_DEVICE_ID_LOGITECH_BOLT_RECEIVER 0xc548 #define USB_DEVICE_ID_SPACETRAVELLER 0xc623 #define USB_DEVICE_ID_SPACENAVIGATOR 0xc626 #define USB_DEVICE_ID_DINOVO_DESKTOP 0xc704 @@ -893,7 +898,15 @@ #define USB_DEVICE_ID_MS_TYPE_COVER_2 0x07a9 #define USB_DEVICE_ID_MS_POWER_COVER 0x07da #define USB_DEVICE_ID_MS_SURFACE3_COVER 0x07de -#define USB_DEVICE_ID_MS_XBOX_ONE_S_CONTROLLER 0x02fd +/* + * For a description of the Xbox controller models, refer to: + * https://en.wikipedia.org/wiki/Xbox_Wireless_Controller#Summary + */ +#define USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1708 0x02fd +#define USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1708_BLE 0x0b20 +#define USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1914 0x0b13 +#define USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1797 0x0b05 +#define USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1797_BLE 0x0b22 #define USB_DEVICE_ID_MS_PIXART_MOUSE 0x00cb #define USB_DEVICE_ID_8BITDO_SN30_PRO_PLUS 0x02e0 #define USB_DEVICE_ID_MS_MOUSE_0783 0x0783 @@ -973,6 +986,8 @@ #define USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3220_SERIES 0xc056 #define USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3215_SERIES 0xc057 #define USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3225_SERIES 0xc058 +#define USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3325_SERIES 0x430c +#define USB_DEVICE_ID_PLANTRONICS_ENCOREPRO_500_SERIES 0x431e #define USB_VENDOR_ID_PANASONIC 0x04da #define USB_DEVICE_ID_PANABOARD_UBT780 0x1044 diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c index 44fd4a05ac..9536f468b4 100644 --- a/drivers/hid/hid-lenovo.c +++ b/drivers/hid/hid-lenovo.c @@ -343,6 +343,7 @@ static int lenovo_input_mapping(struct hid_device *hdev, return lenovo_input_mapping_tp10_ultrabook_kbd(hdev, hi, field, usage, bit, max); case USB_DEVICE_ID_LENOVO_X1_TAB: + case USB_DEVICE_ID_LENOVO_X1_TAB3: return lenovo_input_mapping_x1_tab_kbd(hdev, hi, field, usage, bit, max); default: return 0; @@ -431,6 +432,7 @@ static ssize_t attr_fn_lock_store(struct device *dev, break; case USB_DEVICE_ID_LENOVO_TP10UBKBD: case USB_DEVICE_ID_LENOVO_X1_TAB: + case USB_DEVICE_ID_LENOVO_X1_TAB3: ret = lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value); if (ret) return ret; @@ -614,6 +616,7 @@ static int lenovo_event(struct hid_device *hdev, struct hid_field *field, return lenovo_event_cptkbd(hdev, field, usage, value); case USB_DEVICE_ID_LENOVO_TP10UBKBD: case USB_DEVICE_ID_LENOVO_X1_TAB: + case USB_DEVICE_ID_LENOVO_X1_TAB3: return lenovo_event_tp10ubkbd(hdev, field, usage, value); default: return 0; @@ -896,6 +899,7 @@ static int lenovo_led_brightness_set(struct led_classdev *led_cdev, break; case USB_DEVICE_ID_LENOVO_TP10UBKBD: case USB_DEVICE_ID_LENOVO_X1_TAB: + case USB_DEVICE_ID_LENOVO_X1_TAB3: ret = lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value); break; } @@ -1136,6 +1140,7 @@ static int lenovo_probe(struct hid_device *hdev, break; case USB_DEVICE_ID_LENOVO_TP10UBKBD: case USB_DEVICE_ID_LENOVO_X1_TAB: + case USB_DEVICE_ID_LENOVO_X1_TAB3: ret = lenovo_probe_tp10ubkbd(hdev); break; default: @@ -1202,6 +1207,7 @@ static void lenovo_remove(struct hid_device *hdev) break; case USB_DEVICE_ID_LENOVO_TP10UBKBD: case USB_DEVICE_ID_LENOVO_X1_TAB: + case USB_DEVICE_ID_LENOVO_X1_TAB3: lenovo_remove_tp10ubkbd(hdev); break; } @@ -1247,6 +1253,8 @@ static const struct hid_device_id lenovo_devices[] = { */ { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) }, + { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, + USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB3) }, { } }; diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c index 57697605b2..dc7b0fe834 100644 --- a/drivers/hid/hid-logitech-dj.c +++ b/drivers/hid/hid-logitech-dj.c @@ -1284,8 +1284,10 @@ static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev, */ msleep(50); - if (retval) + if (retval) { + kfree(dj_report); return retval; + } } /* diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index 071fd093a5..9345e2bfd5 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -446,7 +446,16 @@ static const struct hid_device_id ms_devices[] = { .driver_data = MS_PRESENTER }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, 0x091B), .driver_data = MS_SURFACE_DIAL }, - { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_ONE_S_CONTROLLER), + + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1708), + .driver_data = MS_QUIRK_FF }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1708_BLE), + .driver_data = MS_QUIRK_FF }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1914), + .driver_data = MS_QUIRK_FF }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1797), + .driver_data = MS_QUIRK_FF }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1797_BLE), .driver_data = MS_QUIRK_FF }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_8BITDO_SN30_PRO_PLUS), .driver_data = MS_QUIRK_FF }, diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 2e14e3071a..57e4ff1ab2 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -1442,6 +1442,30 @@ static int mt_event(struct hid_device *hid, struct hid_field *field, return 0; } +static __u8 *mt_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *size) +{ + if (hdev->vendor == I2C_VENDOR_ID_GOODIX && + (hdev->product == I2C_DEVICE_ID_GOODIX_01E8 || + hdev->product == I2C_DEVICE_ID_GOODIX_01E9)) { + if (rdesc[607] == 0x15) { + rdesc[607] = 0x25; + dev_info( + &hdev->dev, + "GT7868Q report descriptor fixup is applied.\n"); + } else { + dev_info( + &hdev->dev, + "The byte is not expected for fixing the report descriptor. \ +It's possible that the touchpad firmware is not suitable for applying the fix. \ +got: %x\n", + rdesc[607]); + } + } + + return rdesc; +} + static void mt_report(struct hid_device *hid, struct hid_report *report) { struct mt_device *td = hid_get_drvdata(hid); @@ -1993,6 +2017,10 @@ static const struct hid_device_id mt_devices[] = { HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, USB_VENDOR_ID_ELAN, 0x3148) }, + { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU, + HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, + USB_VENDOR_ID_ELAN, 0x32ae) }, + /* Elitegroup panel */ { .driver_data = MT_CLS_SERIAL, MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, @@ -2036,6 +2064,14 @@ static const struct hid_device_id mt_devices[] = { MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, USB_DEVICE_ID_GAMETEL_MT_MODE) }, + /* Goodix GT7868Q devices */ + { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU, + HID_DEVICE(BUS_I2C, HID_GROUP_ANY, I2C_VENDOR_ID_GOODIX, + I2C_DEVICE_ID_GOODIX_01E8) }, + { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU, + HID_DEVICE(BUS_I2C, HID_GROUP_ANY, I2C_VENDOR_ID_GOODIX, + I2C_DEVICE_ID_GOODIX_01E8) }, + /* GoodTouch panels */ { .driver_data = MT_CLS_NSMU, MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, @@ -2051,6 +2087,11 @@ static const struct hid_device_id mt_devices[] = { HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 0x347d, 0x7853) }, + /* HONOR MagicBook Art 14 touchpad */ + { .driver_data = MT_CLS_VTL, + HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, + 0x35cc, 0x0104) }, + /* Ilitek dual touch panel */ { .driver_data = MT_CLS_NSMU, MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, @@ -2082,6 +2123,22 @@ static const struct hid_device_id mt_devices[] = { USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X12_TAB) }, + /* Lenovo X12 TAB Gen 2 */ + { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU, + HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, + USB_VENDOR_ID_LENOVO, + USB_DEVICE_ID_LENOVO_X12_TAB2) }, + + /* Logitech devices */ + { .driver_data = MT_CLS_NSMU, + HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH_WIN_8, + USB_VENDOR_ID_LOGITECH, + USB_DEVICE_ID_LOGITECH_CASA_TOUCHPAD) }, + { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU, + HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, + USB_VENDOR_ID_LOGITECH, + USB_DEVICE_ID_LOGITECH_BOLT_RECEIVER) }, + /* MosArt panels */ { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, MT_USB_DEVICE(USB_VENDOR_ID_ASUS, @@ -2265,6 +2322,7 @@ static struct hid_driver mt_driver = { .feature_mapping = mt_feature_mapping, .usage_table = mt_grabbed_usages, .event = mt_event, + .report_fixup = mt_report_fixup, .report = mt_report, #ifdef CONFIG_PM .suspend = mt_suspend, diff --git a/drivers/hid/hid-plantronics.c b/drivers/hid/hid-plantronics.c index 3d414ae194..25cfd964dc 100644 --- a/drivers/hid/hid-plantronics.c +++ b/drivers/hid/hid-plantronics.c @@ -38,8 +38,10 @@ (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) #define PLT_QUIRK_DOUBLE_VOLUME_KEYS BIT(0) +#define PLT_QUIRK_FOLLOWED_OPPOSITE_VOLUME_KEYS BIT(1) #define PLT_DOUBLE_KEY_TIMEOUT 5 /* ms */ +#define PLT_FOLLOWED_OPPOSITE_KEY_TIMEOUT 220 /* ms */ struct plt_drv_data { unsigned long device_type; @@ -137,6 +139,21 @@ static int plantronics_event(struct hid_device *hdev, struct hid_field *field, drv_data->last_volume_key_ts = cur_ts; } + if (drv_data->quirks & PLT_QUIRK_FOLLOWED_OPPOSITE_VOLUME_KEYS) { + unsigned long prev_ts, cur_ts; + + /* Usages are filtered in plantronics_usages. */ + + if (!value) /* Handle key presses only. */ + return 0; + + prev_ts = drv_data->last_volume_key_ts; + cur_ts = jiffies; + if (jiffies_to_msecs(cur_ts - prev_ts) <= PLT_FOLLOWED_OPPOSITE_KEY_TIMEOUT) + return 1; /* Ignore the followed opposite volume key. */ + + drv_data->last_volume_key_ts = cur_ts; + } return 0; } @@ -210,6 +227,12 @@ static const struct hid_device_id plantronics_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3225_SERIES), .driver_data = PLT_QUIRK_DOUBLE_VOLUME_KEYS }, + { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, + USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3325_SERIES), + .driver_data = PLT_QUIRK_FOLLOWED_OPPOSITE_VOLUME_KEYS }, + { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, + USB_DEVICE_ID_PLANTRONICS_ENCOREPRO_500_SERIES), + .driver_data = PLT_QUIRK_FOLLOWED_OPPOSITE_VOLUME_KEYS }, { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) }, { } }; diff --git a/drivers/hid/intel-ish-hid/ishtp-fw-loader.c b/drivers/hid/intel-ish-hid/ishtp-fw-loader.c index 6b511fadf7..b74c6881bf 100644 --- a/drivers/hid/intel-ish-hid/ishtp-fw-loader.c +++ b/drivers/hid/intel-ish-hid/ishtp-fw-loader.c @@ -631,7 +631,7 @@ static int ish_fw_xfer_direct_dma(struct ishtp_cl_data *client_data, const struct firmware *fw, const struct shim_fw_info fw_info) { - int rv; + int rv = 0; void *dma_buf; dma_addr_t dma_buf_phy; u32 fragment_offset, fragment_size, payload_max_size; diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 115d862d3e..438c9f6d21 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -714,13 +714,12 @@ static int wacom_intuos_get_tool_type(int tool_id) case 0x8e2: /* IntuosHT2 pen */ case 0x022: case 0x200: /* Pro Pen 3 */ - case 0x04200: /* Pro Pen 3 */ case 0x10842: /* MobileStudio Pro Pro Pen slim */ case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */ case 0x16802: /* Cintiq 13HD Pro Pen */ case 0x18802: /* DTH2242 Pen */ case 0x10802: /* Intuos4/5 13HD/24HD General Pen */ - case 0x80842: /* Intuos Pro and Cintiq Pro 3D Pen */ + case 0x8842: /* Intuos Pro and Cintiq Pro 3D Pen */ tool_type = BTN_TOOL_PEN; break; @@ -1925,12 +1924,14 @@ static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage, int fmax = field->logical_maximum; unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid); int resolution_code = code; - int resolution = hidinput_calc_abs_res(field, resolution_code); + int resolution; if (equivalent_usage == HID_DG_TWIST) { resolution_code = ABS_RZ; } + resolution = hidinput_calc_abs_res(field, resolution_code); + if (equivalent_usage == HID_GD_X) { fmin += features->offset_left; fmax -= features->offset_right; diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 115835bd56..02aeb192e3 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -2008,6 +2008,7 @@ static umode_t vmbus_chan_attr_is_visible(struct kobject *kobj, return attr->mode; } +EXPORT_SYMBOL_GPL(vmbus_device_unregister); static struct attribute_group vmbus_chan_group = { .attrs = vmbus_chan_attrs, diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 17ba1d9ff0..d651564b10 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -165,6 +165,7 @@ config SENSORS_ADM9240 tristate "Analog Devices ADM9240 and compatibles" depends on I2C select HWMON_VID + select REGMAP_I2C help If you say yes here you get support for Analog Devices ADM9240, Dallas DS1780, National Semiconductor LM81 sensor chips. @@ -225,6 +226,7 @@ config SENSORS_ADT7462 config SENSORS_ADT7470 tristate "Analog Devices ADT7470" depends on I2C + select REGMAP_I2C help If you say yes here you get support for the Analog Devices ADT7470 temperature monitoring chips. @@ -1949,6 +1951,7 @@ config SENSORS_TMP421 config SENSORS_TMP513 tristate "Texas Instruments TMP513 and compatibles" depends on I2C + select REGMAP_I2C help If you say yes here you get support for Texas Instruments TMP512, and TMP513 temperature and power supply sensor chips. diff --git a/drivers/hwmon/adc128d818.c b/drivers/hwmon/adc128d818.c index fd938c7029..739cd48228 100644 --- a/drivers/hwmon/adc128d818.c +++ b/drivers/hwmon/adc128d818.c @@ -176,7 +176,7 @@ static ssize_t adc128_in_store(struct device *dev, mutex_lock(&data->update_lock); /* 10 mV LSB on limit registers */ - regval = clamp_val(DIV_ROUND_CLOSEST(val, 10), 0, 255); + regval = DIV_ROUND_CLOSEST(clamp_val(val, 0, 2550), 10); data->in[index][nr] = regval << 4; reg = index == 1 ? ADC128_REG_IN_MIN(nr) : ADC128_REG_IN_MAX(nr); i2c_smbus_write_byte_data(data->client, reg, regval); @@ -214,7 +214,7 @@ static ssize_t adc128_temp_store(struct device *dev, return err; mutex_lock(&data->update_lock); - regval = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); + regval = DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), 1000); data->temp[index] = regval << 1; i2c_smbus_write_byte_data(data->client, index == 1 ? ADC128_REG_TEMP_MAX diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c index 22e314725d..b4c0f01f52 100644 --- a/drivers/hwmon/adt7475.c +++ b/drivers/hwmon/adt7475.c @@ -1770,7 +1770,7 @@ static void adt7475_read_pwm(struct i2c_client *client, int index) data->pwm[CONTROL][index] &= ~0xE0; data->pwm[CONTROL][index] |= (7 << 5); - i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index), + i2c_smbus_write_byte_data(client, PWM_REG(index), data->pwm[INPUT][index]); i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index), diff --git a/drivers/hwmon/lm95234.c b/drivers/hwmon/lm95234.c index ac169a994a..db2aecdfbd 100644 --- a/drivers/hwmon/lm95234.c +++ b/drivers/hwmon/lm95234.c @@ -301,7 +301,8 @@ static ssize_t tcrit2_store(struct device *dev, struct device_attribute *attr, if (ret < 0) return ret; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, index ? 255 : 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, 0, (index ? 255 : 127) * 1000), + 1000); mutex_lock(&data->update_lock); data->tcrit2[index] = val; @@ -350,7 +351,7 @@ static ssize_t tcrit1_store(struct device *dev, struct device_attribute *attr, if (ret < 0) return ret; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 255); + val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 255000), 1000); mutex_lock(&data->update_lock); data->tcrit1[index] = val; @@ -391,7 +392,7 @@ static ssize_t tcrit1_hyst_store(struct device *dev, if (ret < 0) return ret; - val = DIV_ROUND_CLOSEST(val, 1000); + val = DIV_ROUND_CLOSEST(clamp_val(val, -255000, 255000), 1000); val = clamp_val((int)data->tcrit1[index] - val, 0, 31); mutex_lock(&data->update_lock); @@ -431,7 +432,7 @@ static ssize_t offset_store(struct device *dev, struct device_attribute *attr, return ret; /* Accuracy is 1/2 degrees C */ - val = clamp_val(DIV_ROUND_CLOSEST(val, 500), -128, 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, -64000, 63500), 500); mutex_lock(&data->update_lock); data->toffset[index] = val; diff --git a/drivers/hwmon/ltc2992.c b/drivers/hwmon/ltc2992.c index 009a0a5af9..838b679a12 100644 --- a/drivers/hwmon/ltc2992.c +++ b/drivers/hwmon/ltc2992.c @@ -912,8 +912,14 @@ static int ltc2992_parse_dt(struct ltc2992_state *st) } ret = fwnode_property_read_u32(child, "shunt-resistor-micro-ohms", &val); - if (!ret) + if (!ret) { + if (!val) { + fwnode_handle_put(child); + return dev_err_probe(&st->client->dev, -EINVAL, + "shunt resistor value cannot be zero\n"); + } st->r_sense_uohm[addr] = val; + } } return 0; diff --git a/drivers/hwmon/max16065.c b/drivers/hwmon/max16065.c index ae3a6a7bda..25de0065bd 100644 --- a/drivers/hwmon/max16065.c +++ b/drivers/hwmon/max16065.c @@ -79,7 +79,7 @@ static const bool max16065_have_current[] = { }; struct max16065_data { - enum chips type; + enum chips chip; struct i2c_client *client; const struct attribute_group *groups[4]; struct mutex update_lock; @@ -114,9 +114,10 @@ static inline int LIMIT_TO_MV(int limit, int range) return limit * range / 256; } -static inline int MV_TO_LIMIT(int mv, int range) +static inline int MV_TO_LIMIT(unsigned long mv, int range) { - return clamp_val(DIV_ROUND_CLOSEST(mv * 256, range), 0, 255); + mv = clamp_val(mv, 0, ULONG_MAX / 256); + return DIV_ROUND_CLOSEST(clamp_val(mv * 256, 0, range * 255), range); } static inline int ADC_TO_CURR(int adc, int gain) @@ -161,10 +162,17 @@ static struct max16065_data *max16065_update_device(struct device *dev) MAX16065_CURR_SENSE); } - for (i = 0; i < DIV_ROUND_UP(data->num_adc, 8); i++) + for (i = 0; i < 2; i++) data->fault[i] = i2c_smbus_read_byte_data(client, MAX16065_FAULT(i)); + /* + * MAX16067 and MAX16068 have separate undervoltage and + * overvoltage alarm bits. Squash them together. + */ + if (data->chip == max16067 || data->chip == max16068) + data->fault[0] |= data->fault[1]; + data->last_updated = jiffies; data->valid = 1; } @@ -493,8 +501,6 @@ static const struct attribute_group max16065_max_group = { .is_visible = max16065_secondary_is_visible, }; -static const struct i2c_device_id max16065_id[]; - static int max16065_probe(struct i2c_client *client) { struct i2c_adapter *adapter = client->adapter; @@ -505,7 +511,7 @@ static int max16065_probe(struct i2c_client *client) bool have_secondary; /* true if chip has secondary limits */ bool secondary_is_max = false; /* secondary limits reflect max */ int groups = 0; - const struct i2c_device_id *id = i2c_match_id(max16065_id, client); + enum chips chip = (uintptr_t)i2c_get_match_data(client); if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_READ_WORD_DATA)) @@ -515,12 +521,13 @@ static int max16065_probe(struct i2c_client *client) if (unlikely(!data)) return -ENOMEM; + data->chip = chip; data->client = client; mutex_init(&data->update_lock); - data->num_adc = max16065_num_adc[id->driver_data]; - data->have_current = max16065_have_current[id->driver_data]; - have_secondary = max16065_have_secondary[id->driver_data]; + data->num_adc = max16065_num_adc[chip]; + data->have_current = max16065_have_current[chip]; + have_secondary = max16065_have_secondary[chip]; if (have_secondary) { val = i2c_smbus_read_byte_data(client, MAX16065_SW_ENABLE); diff --git a/drivers/hwmon/max6697.c b/drivers/hwmon/max6697.c index 2895cea541..266baae94e 100644 --- a/drivers/hwmon/max6697.c +++ b/drivers/hwmon/max6697.c @@ -312,6 +312,7 @@ static ssize_t temp_store(struct device *dev, return ret; mutex_lock(&data->update_lock); + temp = clamp_val(temp, -1000000, 1000000); /* prevent underflow */ temp = DIV_ROUND_CLOSEST(temp, 1000) + data->temp_offset; temp = clamp_val(temp, 0, data->type == max6581 ? 255 : 127); data->temp[nr][index] = temp; @@ -429,14 +430,14 @@ static SENSOR_DEVICE_ATTR_RO(temp6_max_alarm, alarm, 20); static SENSOR_DEVICE_ATTR_RO(temp7_max_alarm, alarm, 21); static SENSOR_DEVICE_ATTR_RO(temp8_max_alarm, alarm, 23); -static SENSOR_DEVICE_ATTR_RO(temp1_crit_alarm, alarm, 14); +static SENSOR_DEVICE_ATTR_RO(temp1_crit_alarm, alarm, 15); static SENSOR_DEVICE_ATTR_RO(temp2_crit_alarm, alarm, 8); static SENSOR_DEVICE_ATTR_RO(temp3_crit_alarm, alarm, 9); static SENSOR_DEVICE_ATTR_RO(temp4_crit_alarm, alarm, 10); static SENSOR_DEVICE_ATTR_RO(temp5_crit_alarm, alarm, 11); static SENSOR_DEVICE_ATTR_RO(temp6_crit_alarm, alarm, 12); static SENSOR_DEVICE_ATTR_RO(temp7_crit_alarm, alarm, 13); -static SENSOR_DEVICE_ATTR_RO(temp8_crit_alarm, alarm, 15); +static SENSOR_DEVICE_ATTR_RO(temp8_crit_alarm, alarm, 14); static SENSOR_DEVICE_ATTR_RO(temp2_fault, alarm, 1); static SENSOR_DEVICE_ATTR_RO(temp3_fault, alarm, 2); diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c index 5bd15622a8..3645a19cda 100644 --- a/drivers/hwmon/nct6775.c +++ b/drivers/hwmon/nct6775.c @@ -2374,7 +2374,7 @@ store_temp_offset(struct device *dev, struct device_attribute *attr, if (err < 0) return err; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), 1000); mutex_lock(&data->update_lock); data->temp_offset[nr] = val; diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index cf26c44f2b..4414c6b313 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -55,6 +55,7 @@ static const struct platform_device_id ntc_thermistor_id[] = { [NTC_NCP21WB473] = { "ncp21wb473", TYPE_NCPXXWB473 }, [NTC_LAST] = { }, }; +MODULE_DEVICE_TABLE(platform, ntc_thermistor_id); /* * A compensation table should be sorted by the values of .ohm diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h index ef3a8ecde4..62260553f4 100644 --- a/drivers/hwmon/pmbus/pmbus.h +++ b/drivers/hwmon/pmbus/pmbus.h @@ -409,6 +409,12 @@ enum pmbus_sensor_classes { enum pmbus_data_format { linear = 0, direct, vid }; enum vrm_version { vr11 = 0, vr12, vr13, imvp9, amd625mv }; +/* PMBus revision identifiers */ +#define PMBUS_REV_10 0x00 /* PMBus revision 1.0 */ +#define PMBUS_REV_11 0x11 /* PMBus revision 1.1 */ +#define PMBUS_REV_12 0x22 /* PMBus revision 1.2 */ +#define PMBUS_REV_13 0x33 /* PMBus revision 1.3 */ + struct pmbus_driver_info { int pages; /* Total number of pages */ u8 phases[PMBUS_PAGES]; /* Number of phases per page */ @@ -438,6 +444,8 @@ struct pmbus_driver_info { int (*read_byte_data)(struct i2c_client *client, int page, int reg); int (*read_word_data)(struct i2c_client *client, int page, int phase, int reg); + int (*write_byte_data)(struct i2c_client *client, int page, int reg, + u8 byte); int (*write_word_data)(struct i2c_client *client, int page, int reg, u16 word); int (*write_byte)(struct i2c_client *client, int page, u8 value); diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index 63b616ce3a..1ef214a8a0 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -82,6 +82,8 @@ struct pmbus_data { u32 flags; /* from platform data */ + u8 revision; /* The PMBus revision the device is compliant with */ + int exponent[PMBUS_PAGES]; /* linear mode: exponent for output voltages */ @@ -276,6 +278,24 @@ static int _pmbus_write_word_data(struct i2c_client *client, int page, int reg, return pmbus_write_word_data(client, page, reg, word); } +/* + * _pmbus_write_byte_data() is similar to pmbus_write_byte_data(), but checks if + * a device specific mapping function exists and calls it if necessary. + */ +static int _pmbus_write_byte_data(struct i2c_client *client, int page, int reg, u8 value) +{ + struct pmbus_data *data = i2c_get_clientdata(client); + const struct pmbus_driver_info *info = data->info; + int status; + + if (info->write_byte_data) { + status = info->write_byte_data(client, page, reg, value); + if (status != -ENODATA) + return status; + } + return pmbus_write_byte_data(client, page, reg, value); +} + int pmbus_update_fan(struct i2c_client *client, int page, int id, u8 config, u8 mask, u16 command) { @@ -290,7 +310,7 @@ int pmbus_update_fan(struct i2c_client *client, int page, int id, to = (from & ~mask) | (config & mask); if (to != from) { - rv = pmbus_write_byte_data(client, page, + rv = _pmbus_write_byte_data(client, page, pmbus_fan_config_registers[id], to); if (rv < 0) return rv; @@ -397,7 +417,7 @@ int pmbus_update_byte_data(struct i2c_client *client, int page, u8 reg, tmp = (rv & ~mask) | (value & mask); if (tmp != rv) - rv = pmbus_write_byte_data(client, page, reg, tmp); + rv = _pmbus_write_byte_data(client, page, reg, tmp); return rv; } @@ -912,9 +932,14 @@ static int pmbus_get_boolean(struct i2c_client *client, struct pmbus_boolean *b, regval = status & mask; if (regval) { - ret = pmbus_write_byte_data(client, page, reg, regval); - if (ret) - goto unlock; + if (data->revision >= PMBUS_REV_12) { + ret = _pmbus_write_byte_data(client, page, reg, regval); + if (ret) + goto unlock; + } else { + pmbus_clear_fault_page(client, page); + } + } if (s1 && s2) { s64 v1, v2; @@ -2352,6 +2377,10 @@ static int pmbus_init_common(struct i2c_client *client, struct pmbus_data *data, data->flags |= PMBUS_WRITE_PROTECTED | PMBUS_SKIP_STATUS_CHECK; } + ret = i2c_smbus_read_byte_data(client, PMBUS_REVISION); + if (ret >= 0) + data->revision = ret; + if (data->info->pages) pmbus_clear_faults(client); else diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index 705a59663d..b6bae04d65 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -895,7 +895,7 @@ store_target_temp(struct device *dev, struct device_attribute *attr, if (err < 0) return err; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 127000), 1000); mutex_lock(&data->update_lock); data->target_temp[nr] = val; @@ -920,7 +920,7 @@ store_tolerance(struct device *dev, struct device_attribute *attr, return err; /* Limit the temp to 0C - 15C */ - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 15); + val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 15000), 1000); mutex_lock(&data->update_lock); reg = w83627ehf_read_value(data, W83627EHF_REG_TOLERANCE[nr]); diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c index fd5f5c5a52..425597151d 100644 --- a/drivers/hwspinlock/hwspinlock_core.c +++ b/drivers/hwspinlock/hwspinlock_core.c @@ -302,6 +302,34 @@ void __hwspin_unlock(struct hwspinlock *hwlock, int mode, unsigned long *flags) } EXPORT_SYMBOL_GPL(__hwspin_unlock); +/** + * hwspin_lock_bust() - bust a specific hwspinlock + * @hwlock: a previously-acquired hwspinlock which we want to bust + * @id: identifier of the remote lock holder, if applicable + * + * This function will bust a hwspinlock that was previously acquired as + * long as the current owner of the lock matches the id given by the caller. + * + * Context: Process context. + * + * Returns: 0 on success, or -EINVAL if the hwspinlock does not exist, or + * the bust operation fails, and -EOPNOTSUPP if the bust operation is not + * defined for the hwspinlock. + */ +int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id) +{ + if (WARN_ON(!hwlock)) + return -EINVAL; + + if (!hwlock->bank->ops->bust) { + pr_err("bust operation not defined\n"); + return -EOPNOTSUPP; + } + + return hwlock->bank->ops->bust(hwlock, id); +} +EXPORT_SYMBOL_GPL(hwspin_lock_bust); + /** * of_hwspin_lock_simple_xlate - translate hwlock_spec to return a lock id * @bank: the hwspinlock device bank diff --git a/drivers/hwspinlock/hwspinlock_internal.h b/drivers/hwspinlock/hwspinlock_internal.h index 29892767bb..f298fc0ee5 100644 --- a/drivers/hwspinlock/hwspinlock_internal.h +++ b/drivers/hwspinlock/hwspinlock_internal.h @@ -21,6 +21,8 @@ struct hwspinlock_device; * @trylock: make a single attempt to take the lock. returns 0 on * failure and true on success. may _not_ sleep. * @unlock: release the lock. always succeed. may _not_ sleep. + * @bust: optional, platform-specific bust handler, called by hwspinlock + * core to bust a specific lock. * @relax: optional, platform-specific relax handler, called by hwspinlock * core while spinning on a lock, between two successive * invocations of @trylock. may _not_ sleep. @@ -28,6 +30,7 @@ struct hwspinlock_device; struct hwspinlock_ops { int (*trylock)(struct hwspinlock *lock); void (*unlock)(struct hwspinlock *lock); + int (*bust)(struct hwspinlock *lock, unsigned int id); void (*relax)(struct hwspinlock *lock); }; diff --git a/drivers/hwtracing/coresight/coresight-platform.c b/drivers/hwtracing/coresight/coresight-platform.c index c594f45319..dfb8022c4d 100644 --- a/drivers/hwtracing/coresight/coresight-platform.c +++ b/drivers/hwtracing/coresight/coresight-platform.c @@ -323,8 +323,10 @@ static int of_get_coresight_platform_data(struct device *dev, continue; ret = of_coresight_parse_endpoint(dev, ep, pdata); - if (ret) + if (ret) { + of_node_put(ep); return ret; + } } return 0; diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c index b9cd1f9555..3b58aed97f 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etr.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c @@ -257,6 +257,7 @@ void tmc_free_sg_table(struct tmc_sg_table *sg_table) { tmc_free_table_pages(sg_table); tmc_free_data_pages(sg_table); + kfree(sg_table); } EXPORT_SYMBOL_GPL(tmc_free_sg_table); @@ -338,7 +339,6 @@ struct tmc_sg_table *tmc_alloc_sg_table(struct device *dev, rc = tmc_alloc_table_pages(sg_table); if (rc) { tmc_free_sg_table(sg_table); - kfree(sg_table); return ERR_PTR(rc); } diff --git a/drivers/hwtracing/intel_th/pci.c b/drivers/hwtracing/intel_th/pci.c index 648893f9e4..8dad239aba 100644 --- a/drivers/hwtracing/intel_th/pci.c +++ b/drivers/hwtracing/intel_th/pci.c @@ -294,6 +294,11 @@ static const struct pci_device_id intel_th_pci_id_table[] = { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xae24), .driver_data = (kernel_ulong_t)&intel_th_2x, }, + { + /* Meteor Lake-S */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x7f26), + .driver_data = (kernel_ulong_t)&intel_th_2x, + }, { /* Raptor Lake-S */ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x7a26), @@ -304,6 +309,26 @@ static const struct pci_device_id intel_th_pci_id_table[] = { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xa76f), .driver_data = (kernel_ulong_t)&intel_th_2x, }, + { + /* Granite Rapids */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0963), + .driver_data = (kernel_ulong_t)&intel_th_2x, + }, + { + /* Granite Rapids SOC */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x3256), + .driver_data = (kernel_ulong_t)&intel_th_2x, + }, + { + /* Sapphire Rapids SOC */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x3456), + .driver_data = (kernel_ulong_t)&intel_th_2x, + }, + { + /* Lunar Lake */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xa824), + .driver_data = (kernel_ulong_t)&intel_th_2x, + }, { /* Alder Lake CPU */ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x466f), diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c index e61ed702a1..4a0fa7732b 100644 --- a/drivers/i2c/busses/i2c-aspeed.c +++ b/drivers/i2c/busses/i2c-aspeed.c @@ -172,6 +172,13 @@ struct aspeed_i2c_bus { static int aspeed_i2c_reset(struct aspeed_i2c_bus *bus); +/* precondition: bus.lock has been acquired. */ +static void aspeed_i2c_do_stop(struct aspeed_i2c_bus *bus) +{ + bus->master_state = ASPEED_I2C_MASTER_STOP; + writel(ASPEED_I2CD_M_STOP_CMD, bus->base + ASPEED_I2C_CMD_REG); +} + static int aspeed_i2c_recover_bus(struct aspeed_i2c_bus *bus) { unsigned long time_left, flags; @@ -189,7 +196,7 @@ static int aspeed_i2c_recover_bus(struct aspeed_i2c_bus *bus) command); reinit_completion(&bus->cmd_complete); - writel(ASPEED_I2CD_M_STOP_CMD, bus->base + ASPEED_I2C_CMD_REG); + aspeed_i2c_do_stop(bus); spin_unlock_irqrestore(&bus->lock, flags); time_left = wait_for_completion_timeout( @@ -385,13 +392,6 @@ static void aspeed_i2c_do_start(struct aspeed_i2c_bus *bus) writel(command, bus->base + ASPEED_I2C_CMD_REG); } -/* precondition: bus.lock has been acquired. */ -static void aspeed_i2c_do_stop(struct aspeed_i2c_bus *bus) -{ - bus->master_state = ASPEED_I2C_MASTER_STOP; - writel(ASPEED_I2CD_M_STOP_CMD, bus->base + ASPEED_I2C_CMD_REG); -} - /* precondition: bus.lock has been acquired. */ static void aspeed_i2c_next_msg_or_stop(struct aspeed_i2c_bus *bus) { diff --git a/drivers/i2c/busses/i2c-at91-slave.c b/drivers/i2c/busses/i2c-at91-slave.c index d6eeea5166..131a67d9d4 100644 --- a/drivers/i2c/busses/i2c-at91-slave.c +++ b/drivers/i2c/busses/i2c-at91-slave.c @@ -106,8 +106,7 @@ static int at91_unreg_slave(struct i2c_client *slave) static u32 at91_twi_func(struct i2c_adapter *adapter) { - return I2C_FUNC_SLAVE | I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL - | I2C_FUNC_SMBUS_READ_BLOCK_DATA; + return I2C_FUNC_SLAVE; } static const struct i2c_algorithm at91_twi_algorithm_slave = { diff --git a/drivers/i2c/busses/i2c-designware-slave.c b/drivers/i2c/busses/i2c-designware-slave.c index 0d15f4c1e9..5b54a9b9ed 100644 --- a/drivers/i2c/busses/i2c-designware-slave.c +++ b/drivers/i2c/busses/i2c-designware-slave.c @@ -232,7 +232,7 @@ static const struct i2c_algorithm i2c_dw_algo = { void i2c_dw_configure_slave(struct dw_i2c_dev *dev) { - dev->functionality = I2C_FUNC_SLAVE | DW_IC_DEFAULT_FUNCTIONALITY; + dev->functionality = I2C_FUNC_SLAVE; dev->slave_cfg = DW_IC_CON_RX_FIFO_FULL_HLD_CTRL | DW_IC_CON_RESTART_EN | DW_IC_CON_STOP_DET_IFADDRESSED; diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 7844fba281..e983ad07c4 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1045,7 +1045,7 @@ static const struct pci_device_id i801_ids[] = { MODULE_DEVICE_TABLE(pci, i801_ids); #if defined CONFIG_X86 && defined CONFIG_DMI -static unsigned char apanel_addr; +static unsigned char apanel_addr __ro_after_init; /* Scan the system ROM for the signature "FJKEYINF" */ static __init const void __iomem *bios_signature(const void __iomem *bios) @@ -1851,8 +1851,15 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) i801_add_tco(priv); + /* + * adapter.name is used by platform code to find the main I801 adapter + * to instantiante i2c_clients, do not change. + */ snprintf(priv->adapter.name, sizeof(priv->adapter.name), - "SMBus I801 adapter at %04lx", priv->smba); + "SMBus %s adapter at %04lx", + (priv->features & FEATURE_IDF) ? "I801 IDF" : "I801", + priv->smba); + err = i2c_add_adapter(&priv->adapter); if (err) { platform_device_unregister(priv->tco_pdev); diff --git a/drivers/i2c/busses/i2c-isch.c b/drivers/i2c/busses/i2c-isch.c index 2dc7ada06a..d283e6bb1f 100644 --- a/drivers/i2c/busses/i2c-isch.c +++ b/drivers/i2c/busses/i2c-isch.c @@ -99,8 +99,7 @@ static int sch_transaction(void) if (retries > MAX_RETRIES) { dev_err(&sch_adapter.dev, "SMBus Timeout!\n"); result = -ETIMEDOUT; - } - if (temp & 0x04) { + } else if (temp & 0x04) { result = -EIO; dev_dbg(&sch_adapter.dev, "Bus collision! SMBus may be " "locked until next hard reset. (sorry!)\n"); diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c index 2e575856c5..a2977ef5d1 100644 --- a/drivers/i2c/busses/i2c-ocores.c +++ b/drivers/i2c/busses/i2c-ocores.c @@ -442,8 +442,8 @@ static int ocores_init(struct device *dev, struct ocores_i2c *i2c) oc_setreg(i2c, OCI2C_PREHIGH, prescale >> 8); /* Init the device */ - oc_setreg(i2c, OCI2C_CMD, OCI2C_CMD_IACK); oc_setreg(i2c, OCI2C_CONTROL, ctrl | OCI2C_CTRL_EN); + oc_setreg(i2c, OCI2C_CMD, OCI2C_CMD_IACK); return 0; } diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c index 50f21cdbe9..d2c09b0fdf 100644 --- a/drivers/i2c/busses/i2c-pnx.c +++ b/drivers/i2c/busses/i2c-pnx.c @@ -15,7 +15,6 @@ #include #include #include -#include #include #include #include @@ -32,7 +31,6 @@ struct i2c_pnx_mif { int ret; /* Return value */ int mode; /* Interface mode */ struct completion complete; /* I/O completion */ - struct timer_list timer; /* Timeout */ u8 * buf; /* Data buffer */ int len; /* Length of data buffer */ int order; /* RX Bytes to order via TX */ @@ -117,24 +115,6 @@ static inline int wait_reset(struct i2c_pnx_algo_data *data) return (timeout <= 0); } -static inline void i2c_pnx_arm_timer(struct i2c_pnx_algo_data *alg_data) -{ - struct timer_list *timer = &alg_data->mif.timer; - unsigned long expires = msecs_to_jiffies(alg_data->timeout); - - if (expires <= 1) - expires = 2; - - del_timer_sync(timer); - - dev_dbg(&alg_data->adapter.dev, "Timer armed at %lu plus %lu jiffies.\n", - jiffies, expires); - - timer->expires = jiffies + expires; - - add_timer(timer); -} - /** * i2c_pnx_start - start a device * @slave_addr: slave address @@ -259,8 +239,6 @@ static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data *alg_data) ~(mcntrl_afie | mcntrl_naie | mcntrl_drmie), I2C_REG_CTL(alg_data)); - del_timer_sync(&alg_data->mif.timer); - dev_dbg(&alg_data->adapter.dev, "%s(): Waking up xfer routine.\n", __func__); @@ -276,8 +254,6 @@ static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data *alg_data) ~(mcntrl_afie | mcntrl_naie | mcntrl_drmie), I2C_REG_CTL(alg_data)); - /* Stop timer. */ - del_timer_sync(&alg_data->mif.timer); dev_dbg(&alg_data->adapter.dev, "%s(): Waking up xfer routine after zero-xfer.\n", __func__); @@ -364,8 +340,6 @@ static int i2c_pnx_master_rcv(struct i2c_pnx_algo_data *alg_data) mcntrl_drmie | mcntrl_daie); iowrite32(ctl, I2C_REG_CTL(alg_data)); - /* Kill timer. */ - del_timer_sync(&alg_data->mif.timer); complete(&alg_data->mif.complete); } } @@ -400,8 +374,6 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id) mcntrl_drmie); iowrite32(ctl, I2C_REG_CTL(alg_data)); - /* Stop timer, to prevent timeout. */ - del_timer_sync(&alg_data->mif.timer); complete(&alg_data->mif.complete); } else if (stat & mstatus_nai) { /* Slave did not acknowledge, generate a STOP */ @@ -419,8 +391,6 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id) /* Our return value. */ alg_data->mif.ret = -EIO; - /* Stop timer, to prevent timeout. */ - del_timer_sync(&alg_data->mif.timer); complete(&alg_data->mif.complete); } else { /* @@ -453,9 +423,8 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static void i2c_pnx_timeout(struct timer_list *t) +static void i2c_pnx_timeout(struct i2c_pnx_algo_data *alg_data) { - struct i2c_pnx_algo_data *alg_data = from_timer(alg_data, t, mif.timer); u32 ctl; dev_err(&alg_data->adapter.dev, @@ -472,7 +441,6 @@ static void i2c_pnx_timeout(struct timer_list *t) iowrite32(ctl, I2C_REG_CTL(alg_data)); wait_reset(alg_data); alg_data->mif.ret = -EIO; - complete(&alg_data->mif.complete); } static inline void bus_reset_if_active(struct i2c_pnx_algo_data *alg_data) @@ -514,6 +482,7 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) struct i2c_msg *pmsg; int rc = 0, completed = 0, i; struct i2c_pnx_algo_data *alg_data = adap->algo_data; + unsigned long time_left; u32 stat; dev_dbg(&alg_data->adapter.dev, @@ -548,7 +517,6 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) dev_dbg(&alg_data->adapter.dev, "%s(): mode %d, %d bytes\n", __func__, alg_data->mif.mode, alg_data->mif.len); - i2c_pnx_arm_timer(alg_data); /* initialize the completion var */ init_completion(&alg_data->mif.complete); @@ -564,7 +532,10 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) break; /* Wait for completion */ - wait_for_completion(&alg_data->mif.complete); + time_left = wait_for_completion_timeout(&alg_data->mif.complete, + alg_data->timeout); + if (time_left == 0) + i2c_pnx_timeout(alg_data); if (!(rc = alg_data->mif.ret)) completed++; @@ -657,7 +628,10 @@ static int i2c_pnx_probe(struct platform_device *pdev) alg_data->adapter.algo_data = alg_data; alg_data->adapter.nr = pdev->id; - alg_data->timeout = I2C_PNX_TIMEOUT_DEFAULT; + alg_data->timeout = msecs_to_jiffies(I2C_PNX_TIMEOUT_DEFAULT); + if (alg_data->timeout <= 1) + alg_data->timeout = 2; + #ifdef CONFIG_OF alg_data->adapter.dev.of_node = of_node_get(pdev->dev.of_node); if (pdev->dev.of_node) { @@ -677,8 +651,6 @@ static int i2c_pnx_probe(struct platform_device *pdev) if (IS_ERR(alg_data->clk)) return PTR_ERR(alg_data->clk); - timer_setup(&alg_data->mif.timer, i2c_pnx_timeout, 0); - snprintf(alg_data->adapter.name, sizeof(alg_data->adapter.name), "%s", pdev->name); diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c index 6d635a7c10..f0c7b00ac5 100644 --- a/drivers/i2c/busses/i2c-qcom-geni.c +++ b/drivers/i2c/busses/i2c-qcom-geni.c @@ -565,15 +565,13 @@ static int geni_i2c_probe(struct platform_device *pdev) init_completion(&gi2c->done); spin_lock_init(&gi2c->lock); platform_set_drvdata(pdev, gi2c); - ret = devm_request_irq(dev, gi2c->irq, geni_i2c_irq, 0, + ret = devm_request_irq(dev, gi2c->irq, geni_i2c_irq, IRQF_NO_AUTOEN, dev_name(dev), gi2c); if (ret) { dev_err(dev, "Request_irq failed:%d: err:%d\n", gi2c->irq, ret); return ret; } - /* Disable the interrupt so that the system can enter low-power mode */ - disable_irq(gi2c->irq); i2c_set_adapdata(&gi2c->adap, gi2c); gi2c->adap.dev.parent = dev; gi2c->adap.dev.of_node = dev->of_node; diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index 2c016f0299..316dd378fb 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -116,6 +116,7 @@ enum rcar_i2c_type { I2C_RCAR_GEN1, I2C_RCAR_GEN2, I2C_RCAR_GEN3, + I2C_RCAR_GEN4, }; struct rcar_i2c_priv { @@ -221,6 +222,14 @@ static void rcar_i2c_init(struct rcar_i2c_priv *priv) } +static void rcar_i2c_reset_slave(struct rcar_i2c_priv *priv) +{ + rcar_i2c_write(priv, ICSIER, 0); + rcar_i2c_write(priv, ICSSR, 0); + rcar_i2c_write(priv, ICSCR, SDBS); + rcar_i2c_write(priv, ICSAR, 0); /* Gen2: must be 0 if not using slave */ +} + static int rcar_i2c_bus_barrier(struct rcar_i2c_priv *priv) { int ret; @@ -375,8 +384,8 @@ static void rcar_i2c_dma_unmap(struct rcar_i2c_priv *priv) dma_unmap_single(chan->device->dev, sg_dma_address(&priv->sg), sg_dma_len(&priv->sg), priv->dma_direction); - /* Gen3 can only do one RXDMA per transfer and we just completed it */ - if (priv->devtype == I2C_RCAR_GEN3 && + /* Gen3+ can only do one RXDMA per transfer and we just completed it */ + if (priv->devtype >= I2C_RCAR_GEN3 && priv->dma_direction == DMA_FROM_DEVICE) priv->flags |= ID_P_NO_RXDMA; @@ -794,6 +803,10 @@ static int rcar_i2c_do_reset(struct rcar_i2c_priv *priv) { int ret; + /* Don't reset if a slave instance is currently running */ + if (priv->slave) + return -EISCONN; + ret = reset_control_reset(priv->rstc); if (ret) return ret; @@ -820,14 +833,12 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap, if (ret < 0) goto out; - /* Gen3 needs a reset before allowing RXDMA once */ - if (priv->devtype == I2C_RCAR_GEN3) { - priv->flags |= ID_P_NO_RXDMA; - if (!IS_ERR(priv->rstc)) { - ret = rcar_i2c_do_reset(priv); - if (ret == 0) - priv->flags &= ~ID_P_NO_RXDMA; - } + /* Gen3+ needs a reset. That also allows RXDMA once */ + if (priv->devtype >= I2C_RCAR_GEN3) { + ret = rcar_i2c_do_reset(priv); + if (ret) + goto out; + priv->flags &= ~ID_P_NO_RXDMA; } rcar_i2c_init(priv); @@ -959,11 +970,8 @@ static int rcar_unreg_slave(struct i2c_client *slave) /* ensure no irq is running before clearing ptr */ disable_irq(priv->irq); - rcar_i2c_write(priv, ICSIER, 0); - rcar_i2c_write(priv, ICSSR, 0); + rcar_i2c_reset_slave(priv); enable_irq(priv->irq); - rcar_i2c_write(priv, ICSCR, SDBS); - rcar_i2c_write(priv, ICSAR, 0); /* Gen2: must be 0 if not using slave */ priv->slave = NULL; @@ -1016,6 +1024,7 @@ static const struct of_device_id rcar_i2c_dt_ids[] = { { .compatible = "renesas,rcar-gen1-i2c", .data = (void *)I2C_RCAR_GEN1 }, { .compatible = "renesas,rcar-gen2-i2c", .data = (void *)I2C_RCAR_GEN2 }, { .compatible = "renesas,rcar-gen3-i2c", .data = (void *)I2C_RCAR_GEN3 }, + { .compatible = "renesas,rcar-gen4-i2c", .data = (void *)I2C_RCAR_GEN4 }, {}, }; MODULE_DEVICE_TABLE(of, rcar_i2c_dt_ids); @@ -1075,22 +1084,15 @@ static int rcar_i2c_probe(struct platform_device *pdev) goto out_pm_disable; } - rcar_i2c_write(priv, ICSAR, 0); /* Gen2: must be 0 if not using slave */ + /* Bring hardware to known state */ + rcar_i2c_init(priv); + rcar_i2c_reset_slave(priv); if (priv->devtype < I2C_RCAR_GEN3) { irqflags |= IRQF_NO_THREAD; irqhandler = rcar_i2c_gen2_irq; } - if (priv->devtype == I2C_RCAR_GEN3) { - priv->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL); - if (!IS_ERR(priv->rstc)) { - ret = reset_control_status(priv->rstc); - if (ret < 0) - priv->rstc = ERR_PTR(-ENOTSUPP); - } - } - /* Stay always active when multi-master to keep arbitration working */ if (of_property_read_bool(dev->of_node, "multi-master")) priv->flags |= ID_P_PM_BLOCKED; @@ -1100,6 +1102,22 @@ static int rcar_i2c_probe(struct platform_device *pdev) if (of_property_read_bool(dev->of_node, "smbus")) priv->flags |= ID_P_HOST_NOTIFY; + /* R-Car Gen3+ needs a reset before every transfer */ + if (priv->devtype >= I2C_RCAR_GEN3) { + priv->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL); + if (IS_ERR(priv->rstc)) { + ret = PTR_ERR(priv->rstc); + goto out_pm_put; + } + + ret = reset_control_status(priv->rstc); + if (ret < 0) + goto out_pm_put; + + /* hard reset disturbs HostNotify local target, so disable it */ + priv->flags &= ~ID_P_HOST_NOTIFY; + } + ret = platform_get_irq(pdev, 0); if (ret < 0) goto out_pm_put; diff --git a/drivers/i2c/busses/i2c-riic.c b/drivers/i2c/busses/i2c-riic.c index 78b84445ee..1d3dbc1bfc 100644 --- a/drivers/i2c/busses/i2c-riic.c +++ b/drivers/i2c/busses/i2c-riic.c @@ -319,7 +319,7 @@ static int riic_init_hw(struct riic_dev *riic, struct i2c_timings *t) * frequency with only 62 clock ticks max (31 high, 31 low). * Aim for a duty of 60% LOW, 40% HIGH. */ - total_ticks = DIV_ROUND_UP(rate, t->bus_freq_hz); + total_ticks = DIV_ROUND_UP(rate, t->bus_freq_hz ?: 1); for (cks = 0; cks < 7; cks++) { /* diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c index b26c3ee636..609b6b5388 100644 --- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -2351,7 +2351,7 @@ static int __maybe_unused stm32f7_i2c_runtime_suspend(struct device *dev) struct stm32f7_i2c_dev *i2c_dev = dev_get_drvdata(dev); if (!stm32f7_i2c_is_slave_registered(i2c_dev)) - clk_disable_unprepare(i2c_dev->clk); + clk_disable(i2c_dev->clk); return 0; } @@ -2362,9 +2362,9 @@ static int __maybe_unused stm32f7_i2c_runtime_resume(struct device *dev) int ret; if (!stm32f7_i2c_is_slave_registered(i2c_dev)) { - ret = clk_prepare_enable(i2c_dev->clk); + ret = clk_enable(i2c_dev->clk); if (ret) { - dev_err(dev, "failed to prepare_enable clock\n"); + dev_err(dev, "failed to enable clock\n"); return ret; } } diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index 9652e8bea2..caa27411cf 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -23,7 +23,7 @@ #include #include #include -#include +#include #include #include #include @@ -48,7 +48,7 @@ enum xiic_endian { * struct xiic_i2c - Internal representation of the XIIC I2C bus * @dev: Pointer to device structure * @base: Memory base of the HW registers - * @wait: Wait queue for callers + * @completion: Completion for callers * @adap: Kernel adapter representation * @tx_msg: Messages from above to be sent * @lock: Mutual exclusion @@ -64,7 +64,7 @@ enum xiic_endian { struct xiic_i2c { struct device *dev; void __iomem *base; - wait_queue_head_t wait; + struct completion completion; struct i2c_adapter adap; struct i2c_msg *tx_msg; struct mutex lock; @@ -160,6 +160,9 @@ struct xiic_i2c { #define XIIC_PM_TIMEOUT 1000 /* ms */ /* timeout waiting for the controller to respond */ #define XIIC_I2C_TIMEOUT (msecs_to_jiffies(1000)) +/* timeout waiting for the controller finish transfers */ +#define XIIC_XFER_TIMEOUT (msecs_to_jiffies(10000)) + /* * The following constant is used for the device global interrupt enable * register, to enable all interrupts for the device, this is the only bit @@ -170,7 +173,7 @@ struct xiic_i2c { #define xiic_tx_space(i2c) ((i2c)->tx_msg->len - (i2c)->tx_pos) #define xiic_rx_space(i2c) ((i2c)->rx_msg->len - (i2c)->rx_pos) -static int xiic_start_xfer(struct xiic_i2c *i2c); +static int xiic_start_xfer(struct xiic_i2c *i2c, struct i2c_msg *msgs, int num); static void __xiic_start_xfer(struct xiic_i2c *i2c); /* @@ -367,7 +370,7 @@ static void xiic_wakeup(struct xiic_i2c *i2c, int code) i2c->rx_msg = NULL; i2c->nmsgs = 0; i2c->state = code; - wake_up(&i2c->wait); + complete(&i2c->completion); } static irqreturn_t xiic_process(int irq, void *dev_id) @@ -491,14 +494,17 @@ static irqreturn_t xiic_process(int irq, void *dev_id) goto out; } - xiic_fill_tx_fifo(i2c); - - /* current message sent and there is space in the fifo */ - if (!xiic_tx_space(i2c) && xiic_tx_fifo_space(i2c) >= 2) { + if (xiic_tx_space(i2c)) { + xiic_fill_tx_fifo(i2c); + } else { + /* current message fully written */ dev_dbg(i2c->adap.dev.parent, "%s end of message sent, nmsgs: %d\n", __func__, i2c->nmsgs); - if (i2c->nmsgs > 1) { + /* Don't move onto the next message until the TX FIFO empties, + * to ensure that a NAK is not missed. + */ + if (i2c->nmsgs > 1 && (pend & XIIC_INTR_TX_EMPTY_MASK)) { i2c->nmsgs--; i2c->tx_msg++; xfer_more = 1; @@ -509,11 +515,7 @@ static irqreturn_t xiic_process(int irq, void *dev_id) "%s Got TX IRQ but no more to do...\n", __func__); } - } else if (!xiic_tx_space(i2c) && (i2c->nmsgs == 1)) - /* current frame is sent and is last, - * make sure to disable tx half - */ - xiic_irq_dis(i2c, XIIC_INTR_TX_HALF_MASK); + } } out: dev_dbg(i2c->adap.dev.parent, "%s clr: 0x%x\n", __func__, clr); @@ -537,23 +539,11 @@ static int xiic_bus_busy(struct xiic_i2c *i2c) return (sr & XIIC_SR_BUS_BUSY_MASK) ? -EBUSY : 0; } -static int xiic_busy(struct xiic_i2c *i2c) +static int xiic_wait_not_busy(struct xiic_i2c *i2c) { int tries = 3; int err; - if (i2c->tx_msg) - return -EBUSY; - - /* In single master mode bus can only be busy, when in use by this - * driver. If the register indicates bus being busy for some reason we - * should ignore it, since bus will never be released and i2c will be - * stuck forever. - */ - if (i2c->singlemaster) { - return 0; - } - /* for instance if previous transfer was terminated due to TX error * it might be that the bus is on it's way to become available * give it at most 3 ms to wake @@ -701,15 +691,52 @@ static void __xiic_start_xfer(struct xiic_i2c *i2c) } -static int xiic_start_xfer(struct xiic_i2c *i2c) +static int xiic_start_xfer(struct xiic_i2c *i2c, struct i2c_msg *msgs, int num) { int ret; + mutex_lock(&i2c->lock); + if (i2c->tx_msg || i2c->rx_msg) { + dev_err(i2c->adap.dev.parent, + "cannot start a transfer while busy\n"); + ret = -EBUSY; + goto out; + } + + /* In single master mode bus can only be busy, when in use by this + * driver. If the register indicates bus being busy for some reason we + * should ignore it, since bus will never be released and i2c will be + * stuck forever. + */ + if (!i2c->singlemaster) { + ret = xiic_wait_not_busy(i2c); + if (ret) { + /* If the bus is stuck in a busy state, such as due to spurious low + * pulses on the bus causing a false start condition to be detected, + * then try to recover by re-initializing the controller and check + * again if the bus is still busy. + */ + dev_warn(i2c->adap.dev.parent, "I2C bus busy timeout, reinitializing\n"); + ret = xiic_reinit(i2c); + if (ret) + goto out; + ret = xiic_wait_not_busy(i2c); + if (ret) + goto out; + } + } + + i2c->tx_msg = msgs; + i2c->rx_msg = NULL; + i2c->nmsgs = num; + init_completion(&i2c->completion); + ret = xiic_reinit(i2c); if (!ret) __xiic_start_xfer(i2c); +out: mutex_unlock(&i2c->lock); return ret; @@ -727,30 +754,26 @@ static int xiic_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) if (err < 0) return err; - err = xiic_busy(i2c); - if (err) - goto out; - - i2c->tx_msg = msgs; - i2c->nmsgs = num; - - err = xiic_start_xfer(i2c); - if (err < 0) { - dev_err(adap->dev.parent, "Error xiic_start_xfer\n"); + err = xiic_start_xfer(i2c, msgs, num); + if (err < 0) goto out; - } - if (wait_event_timeout(i2c->wait, (i2c->state == STATE_ERROR) || - (i2c->state == STATE_DONE), HZ)) { - err = (i2c->state == STATE_DONE) ? num : -EIO; - goto out; - } else { + err = wait_for_completion_timeout(&i2c->completion, XIIC_XFER_TIMEOUT); + mutex_lock(&i2c->lock); + if (err == 0) { /* Timeout */ i2c->tx_msg = NULL; i2c->rx_msg = NULL; i2c->nmsgs = 0; err = -ETIMEDOUT; - goto out; + } else if (err < 0) { /* Completion error */ + i2c->tx_msg = NULL; + i2c->rx_msg = NULL; + i2c->nmsgs = 0; + } else { + err = (i2c->state == STATE_DONE) ? num : -EIO; } + mutex_unlock(&i2c->lock); + out: pm_runtime_mark_last_busy(i2c->dev); pm_runtime_put_autosuspend(i2c->dev); @@ -813,18 +836,12 @@ static int xiic_i2c_probe(struct platform_device *pdev) DRIVER_NAME " %s", pdev->name); mutex_init(&i2c->lock); - init_waitqueue_head(&i2c->wait); - i2c->clk = devm_clk_get(&pdev->dev, NULL); + i2c->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(i2c->clk)) return dev_err_probe(&pdev->dev, PTR_ERR(i2c->clk), - "input clock not found.\n"); + "failed to enable input clock.\n"); - ret = clk_prepare_enable(i2c->clk); - if (ret) { - dev_err(&pdev->dev, "Unable to enable clock.\n"); - return ret; - } i2c->dev = &pdev->dev; pm_runtime_set_autosuspend_delay(i2c->dev, XIIC_PM_TIMEOUT); pm_runtime_use_autosuspend(i2c->dev); @@ -836,7 +853,7 @@ static int xiic_i2c_probe(struct platform_device *pdev) if (ret < 0) { dev_err(&pdev->dev, "Cannot claim IRQ\n"); - goto err_clk_dis; + goto err_pm_disable; } i2c->singlemaster = @@ -857,14 +874,14 @@ static int xiic_i2c_probe(struct platform_device *pdev) ret = xiic_reinit(i2c); if (ret < 0) { dev_err(&pdev->dev, "Cannot xiic_reinit\n"); - goto err_clk_dis; + goto err_pm_disable; } /* add i2c adapter to i2c tree */ ret = i2c_add_adapter(&i2c->adap); if (ret) { xiic_deinit(i2c); - goto err_clk_dis; + goto err_pm_disable; } if (pdata) { @@ -875,10 +892,10 @@ static int xiic_i2c_probe(struct platform_device *pdev) return 0; -err_clk_dis: - pm_runtime_set_suspended(&pdev->dev); +err_pm_disable: pm_runtime_disable(&pdev->dev); - clk_disable_unprepare(i2c->clk); + pm_runtime_set_suspended(&pdev->dev); + return ret; } @@ -896,7 +913,6 @@ static int xiic_i2c_remove(struct platform_device *pdev) xiic_deinit(i2c); pm_runtime_put_sync(i2c->dev); - clk_disable_unprepare(i2c->clk); pm_runtime_disable(&pdev->dev); pm_runtime_set_suspended(&pdev->dev); pm_runtime_dont_use_autosuspend(&pdev->dev); diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 546cc935e0..6ce0544117 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -421,18 +421,12 @@ EXPORT_SYMBOL_GPL(i2c_acpi_find_adapter_by_handle); static struct i2c_client *i2c_acpi_find_client_by_adev(struct acpi_device *adev) { - struct device *dev; - struct i2c_client *client; - - dev = bus_find_device_by_acpi_dev(&i2c_bus_type, adev); - if (!dev) - return NULL; - - client = i2c_verify_client(dev); - if (!client) - put_device(dev); + return i2c_find_device_by_fwnode(acpi_fwnode_handle(adev)); +} - return client; +static struct i2c_adapter *i2c_acpi_find_adapter_by_adev(struct acpi_device *adev) +{ + return i2c_find_adapter_by_fwnode(acpi_fwnode_handle(adev)); } static int i2c_acpi_notify(struct notifier_block *nb, unsigned long value, @@ -461,11 +455,17 @@ static int i2c_acpi_notify(struct notifier_block *nb, unsigned long value, break; client = i2c_acpi_find_client_by_adev(adev); - if (!client) - break; + if (client) { + i2c_unregister_device(client); + put_device(&client->dev); + } + + adapter = i2c_acpi_find_adapter_by_adev(adev); + if (adapter) { + acpi_unbind_one(&adapter->dev); + put_device(&adapter->dev); + } - i2c_unregister_device(client); - put_device(&client->dev); break; } diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 1810a994c0..265b7f7f38 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include #include @@ -66,6 +67,8 @@ static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver); static DEFINE_STATIC_KEY_FALSE(i2c_trace_msg_key); static bool is_registered; +static struct dentry *i2c_debugfs_root; + int i2c_transfer_trace_reg(void) { static_branch_inc(&i2c_trace_msg_key); @@ -113,6 +116,25 @@ const struct i2c_device_id *i2c_match_id(const struct i2c_device_id *id, } EXPORT_SYMBOL_GPL(i2c_match_id); +const void *i2c_get_match_data(const struct i2c_client *client) +{ + struct i2c_driver *driver = to_i2c_driver(client->dev.driver); + const struct i2c_device_id *match; + const void *data; + + data = device_get_match_data(&client->dev); + if (!data) { + match = i2c_match_id(driver->id_table, client); + if (!match) + return NULL; + + data = (const void *)match->driver_data; + } + + return data; +} +EXPORT_SYMBOL(i2c_get_match_data); + static int i2c_device_match(struct device *dev, struct device_driver *drv) { struct i2c_client *client = i2c_verify_client(dev); @@ -895,6 +917,27 @@ int i2c_dev_irq_from_resources(const struct resource *resources, return 0; } +/* + * Serialize device instantiation in case it can be instantiated explicitly + * and by auto-detection + */ +static int i2c_lock_addr(struct i2c_adapter *adap, unsigned short addr, + unsigned short flags) +{ + if (!(flags & I2C_CLIENT_TEN) && + test_and_set_bit(addr, adap->addrs_in_instantiation)) + return -EBUSY; + + return 0; +} + +static void i2c_unlock_addr(struct i2c_adapter *adap, unsigned short addr, + unsigned short flags) +{ + if (!(flags & I2C_CLIENT_TEN)) + clear_bit(addr, adap->addrs_in_instantiation); +} + /** * i2c_new_client_device - instantiate an i2c device * @adap: the adapter managing the device @@ -941,6 +984,10 @@ i2c_new_client_device(struct i2c_adapter *adap, struct i2c_board_info const *inf goto out_err_silent; } + status = i2c_lock_addr(adap, client->addr, client->flags); + if (status) + goto out_err_silent; + /* Check for address business */ status = i2c_check_addr_busy(adap, i2c_encode_flags_to_addr(client)); if (status) @@ -971,6 +1018,8 @@ i2c_new_client_device(struct i2c_adapter *adap, struct i2c_board_info const *inf dev_dbg(&adap->dev, "client [%s] registered with bus id %s\n", client->name, dev_name(&client->dev)); + i2c_unlock_addr(adap, client->addr, client->flags); + return client; out_remove_swnode: @@ -981,6 +1030,7 @@ i2c_new_client_device(struct i2c_adapter *adap, struct i2c_board_info const *inf dev_err(&adap->dev, "Failed to register i2c client %s at 0x%02x (%d)\n", client->name, client->addr, status); + i2c_unlock_addr(adap, client->addr, client->flags); out_err_silent: kfree(client); return ERR_PTR(status); @@ -1009,9 +1059,39 @@ void i2c_unregister_device(struct i2c_client *client) } EXPORT_SYMBOL_GPL(i2c_unregister_device); +/** + * i2c_find_device_by_fwnode() - find an i2c_client for the fwnode + * @fwnode: &struct fwnode_handle corresponding to the &struct i2c_client + * + * Look up and return the &struct i2c_client corresponding to the @fwnode. + * If no client can be found, or @fwnode is NULL, this returns NULL. + * + * The user must call put_device(&client->dev) once done with the i2c client. + */ +struct i2c_client *i2c_find_device_by_fwnode(struct fwnode_handle *fwnode) +{ + struct i2c_client *client; + struct device *dev; + + if (!fwnode) + return NULL; + + dev = bus_find_device_by_fwnode(&i2c_bus_type, fwnode); + if (!dev) + return NULL; + + client = i2c_verify_client(dev); + if (!client) + put_device(dev); + + return client; +} +EXPORT_SYMBOL(i2c_find_device_by_fwnode); + static const struct i2c_device_id dummy_id[] = { { "dummy", 0 }, + { "smbus_host_notify", 0 }, { }, }; @@ -1477,7 +1557,9 @@ static int i2c_register_adapter(struct i2c_adapter *adap) goto out_list; } - res = of_i2c_setup_smbus_alert(adap); + adap->debugfs = debugfs_create_dir(dev_name(&adap->dev), i2c_debugfs_root); + + res = i2c_setup_smbus_alert(adap); if (res) goto out_reg; @@ -1515,6 +1597,7 @@ static int i2c_register_adapter(struct i2c_adapter *adap) return 0; out_reg: + debugfs_remove_recursive(adap->debugfs); init_completion(&adap->dev_released); device_unregister(&adap->dev); wait_for_completion(&adap->dev_released); @@ -1716,6 +1799,8 @@ void i2c_del_adapter(struct i2c_adapter *adap) i2c_host_notify_irq_teardown(adap); + debugfs_remove_recursive(adap->debugfs); + /* wait until all references to the device are gone * * FIXME: This is old code and should ideally be replaced by an @@ -1764,6 +1849,75 @@ int devm_i2c_add_adapter(struct device *dev, struct i2c_adapter *adapter) } EXPORT_SYMBOL_GPL(devm_i2c_add_adapter); +static int i2c_dev_or_parent_fwnode_match(struct device *dev, const void *data) +{ + if (dev_fwnode(dev) == data) + return 1; + + if (dev->parent && dev_fwnode(dev->parent) == data) + return 1; + + return 0; +} + +/** + * i2c_find_adapter_by_fwnode() - find an i2c_adapter for the fwnode + * @fwnode: &struct fwnode_handle corresponding to the &struct i2c_adapter + * + * Look up and return the &struct i2c_adapter corresponding to the @fwnode. + * If no adapter can be found, or @fwnode is NULL, this returns NULL. + * + * The user must call put_device(&adapter->dev) once done with the i2c adapter. + */ +struct i2c_adapter *i2c_find_adapter_by_fwnode(struct fwnode_handle *fwnode) +{ + struct i2c_adapter *adapter; + struct device *dev; + + if (!fwnode) + return NULL; + + dev = bus_find_device(&i2c_bus_type, NULL, fwnode, + i2c_dev_or_parent_fwnode_match); + if (!dev) + return NULL; + + adapter = i2c_verify_adapter(dev); + if (!adapter) + put_device(dev); + + return adapter; +} +EXPORT_SYMBOL(i2c_find_adapter_by_fwnode); + +/** + * i2c_get_adapter_by_fwnode() - find an i2c_adapter for the fwnode + * @fwnode: &struct fwnode_handle corresponding to the &struct i2c_adapter + * + * Look up and return the &struct i2c_adapter corresponding to the @fwnode, + * and increment the adapter module's use count. If no adapter can be found, + * or @fwnode is NULL, this returns NULL. + * + * The user must call i2c_put_adapter(adapter) once done with the i2c adapter. + * Note that this is different from i2c_find_adapter_by_node(). + */ +struct i2c_adapter *i2c_get_adapter_by_fwnode(struct fwnode_handle *fwnode) +{ + struct i2c_adapter *adapter; + + adapter = i2c_find_adapter_by_fwnode(fwnode); + if (!adapter) + return NULL; + + if (!try_module_get(adapter->owner)) { + put_device(&adapter->dev); + adapter = NULL; + } + + return adapter; +} +EXPORT_SYMBOL(i2c_get_adapter_by_fwnode); + static void i2c_parse_timing(struct device *dev, char *prop_name, u32 *cur_val_p, u32 def_val, bool use_def) { @@ -1944,6 +2098,8 @@ static int __init i2c_init(void) is_registered = true; + i2c_debugfs_root = debugfs_create_dir("i2c", NULL); + #ifdef CONFIG_I2C_COMPAT i2c_adapter_compat_class = class_compat_register("i2c-adapter"); if (!i2c_adapter_compat_class) { @@ -1982,6 +2138,7 @@ static void __exit i2c_exit(void) #ifdef CONFIG_I2C_COMPAT class_compat_unregister(i2c_adapter_compat_class); #endif + debugfs_remove_recursive(i2c_debugfs_root); bus_unregister(&i2c_bus_type); tracepoint_synchronize_unregister(); } diff --git a/drivers/i2c/i2c-core-of.c b/drivers/i2c/i2c-core-of.c index 3ed74aa4b4..bce6b796e0 100644 --- a/drivers/i2c/i2c-core-of.c +++ b/drivers/i2c/i2c-core-of.c @@ -113,72 +113,6 @@ void of_i2c_register_devices(struct i2c_adapter *adap) of_node_put(bus); } -static int of_dev_or_parent_node_match(struct device *dev, const void *data) -{ - if (dev->of_node == data) - return 1; - - if (dev->parent) - return dev->parent->of_node == data; - - return 0; -} - -/* must call put_device() when done with returned i2c_client device */ -struct i2c_client *of_find_i2c_device_by_node(struct device_node *node) -{ - struct device *dev; - struct i2c_client *client; - - dev = bus_find_device_by_of_node(&i2c_bus_type, node); - if (!dev) - return NULL; - - client = i2c_verify_client(dev); - if (!client) - put_device(dev); - - return client; -} -EXPORT_SYMBOL(of_find_i2c_device_by_node); - -/* must call put_device() when done with returned i2c_adapter device */ -struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node) -{ - struct device *dev; - struct i2c_adapter *adapter; - - dev = bus_find_device(&i2c_bus_type, NULL, node, - of_dev_or_parent_node_match); - if (!dev) - return NULL; - - adapter = i2c_verify_adapter(dev); - if (!adapter) - put_device(dev); - - return adapter; -} -EXPORT_SYMBOL(of_find_i2c_adapter_by_node); - -/* must call i2c_put_adapter() when done with returned i2c_adapter device */ -struct i2c_adapter *of_get_i2c_adapter_by_node(struct device_node *node) -{ - struct i2c_adapter *adapter; - - adapter = of_find_i2c_adapter_by_node(node); - if (!adapter) - return NULL; - - if (!try_module_get(adapter->owner)) { - put_device(&adapter->dev); - adapter = NULL; - } - - return adapter; -} -EXPORT_SYMBOL(of_get_i2c_adapter_by_node); - static const struct of_device_id* i2c_of_match_device_sysfs(const struct of_device_id *matches, struct i2c_client *client) diff --git a/drivers/i2c/i2c-core-smbus.c b/drivers/i2c/i2c-core-smbus.c index e5b2d1465e..029f1b7c83 100644 --- a/drivers/i2c/i2c-core-smbus.c +++ b/drivers/i2c/i2c-core-smbus.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include "i2c-core.h" @@ -701,13 +702,17 @@ struct i2c_client *i2c_new_smbus_alert_device(struct i2c_adapter *adapter, } EXPORT_SYMBOL_GPL(i2c_new_smbus_alert_device); -#if IS_ENABLED(CONFIG_I2C_SMBUS) && IS_ENABLED(CONFIG_OF) -int of_i2c_setup_smbus_alert(struct i2c_adapter *adapter) +#if IS_ENABLED(CONFIG_I2C_SMBUS) +int i2c_setup_smbus_alert(struct i2c_adapter *adapter) { + struct device *parent = adapter->dev.parent; int irq; - irq = of_property_match_string(adapter->dev.of_node, "interrupt-names", - "smbus_alert"); + /* Adapter instantiated without parent, skip the SMBus alert setup */ + if (!parent) + return 0; + + irq = device_property_match_string(parent, "interrupt-names", "smbus_alert"); if (irq == -EINVAL || irq == -ENODATA) return 0; else if (irq < 0) @@ -715,5 +720,5 @@ int of_i2c_setup_smbus_alert(struct i2c_adapter *adapter) return PTR_ERR_OR_ZERO(i2c_new_smbus_alert_device(adapter, NULL)); } -EXPORT_SYMBOL_GPL(of_i2c_setup_smbus_alert); +EXPORT_SYMBOL_GPL(i2c_setup_smbus_alert); #endif diff --git a/drivers/i2c/i2c-slave-testunit.c b/drivers/i2c/i2c-slave-testunit.c index 56dae08dfd..bdb7d71dad 100644 --- a/drivers/i2c/i2c-slave-testunit.c +++ b/drivers/i2c/i2c-slave-testunit.c @@ -118,9 +118,19 @@ static int i2c_slave_testunit_slave_cb(struct i2c_client *client, queue_delayed_work(system_long_wq, &tu->worker, msecs_to_jiffies(10 * tu->regs[TU_REG_DELAY])); } - fallthrough; + + /* + * Reset reg_idx to avoid that work gets queued again in case of + * STOP after a following read message. But do not clear TU regs + * here because we still need them in the workqueue! + */ + tu->reg_idx = 0; + break; case I2C_SLAVE_WRITE_REQUESTED: + if (test_bit(TU_FLAG_IN_PROCESS, &tu->flags)) + return -EBUSY; + memset(tu->regs, 0, TU_NUM_REGS); tu->reg_idx = 0; break; diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c index d3d06e3b4f..cacdadb941 100644 --- a/drivers/i2c/i2c-smbus.c +++ b/drivers/i2c/i2c-smbus.c @@ -13,7 +13,7 @@ #include #include #include -#include +#include #include #include @@ -34,6 +34,7 @@ static int smbus_do_alert(struct device *dev, void *addrp) struct i2c_client *client = i2c_verify_client(dev); struct alert_data *data = addrp; struct i2c_driver *driver; + int ret; if (!client || client->addr != data->addr) return 0; @@ -47,16 +48,47 @@ static int smbus_do_alert(struct device *dev, void *addrp) device_lock(dev); if (client->dev.driver) { driver = to_i2c_driver(client->dev.driver); - if (driver->alert) + if (driver->alert) { + /* Stop iterating after we find the device */ driver->alert(client, data->type, data->data); - else + ret = -EBUSY; + } else { dev_warn(&client->dev, "no driver alert()!\n"); - } else + ret = -EOPNOTSUPP; + } + } else { dev_dbg(&client->dev, "alert with no driver\n"); + ret = -ENODEV; + } + device_unlock(dev); + + return ret; +} + +/* Same as above, but call back all drivers with alert handler */ + +static int smbus_do_alert_force(struct device *dev, void *addrp) +{ + struct i2c_client *client = i2c_verify_client(dev); + struct alert_data *data = addrp; + struct i2c_driver *driver; + + if (!client || (client->flags & I2C_CLIENT_TEN)) + return 0; + + /* + * Drivers should either disable alerts, or provide at least + * a minimal handler. Lock so the driver won't change. + */ + device_lock(dev); + if (client->dev.driver) { + driver = to_i2c_driver(client->dev.driver); + if (driver->alert) + driver->alert(client, data->type, data->data); + } device_unlock(dev); - /* Stop iterating after we find the device */ - return -EBUSY; + return 0; } /* @@ -67,6 +99,7 @@ static irqreturn_t smbus_alert(int irq, void *d) { struct i2c_smbus_alert *alert = d; struct i2c_client *ara; + unsigned short prev_addr = I2C_CLIENT_END; /* Not a valid address */ ara = alert->ara; @@ -94,8 +127,25 @@ static irqreturn_t smbus_alert(int irq, void *d) data.addr, data.data); /* Notify driver for the device which issued the alert */ - device_for_each_child(&ara->adapter->dev, &data, - smbus_do_alert); + status = device_for_each_child(&ara->adapter->dev, &data, + smbus_do_alert); + /* + * If we read the same address more than once, and the alert + * was not handled by a driver, it won't do any good to repeat + * the loop because it will never terminate. Try again, this + * time calling the alert handlers of all devices connected to + * the bus, and abort the loop afterwards. If this helps, we + * are all set. If it doesn't, there is nothing else we can do, + * so we might as well abort the loop. + * Note: This assumes that a driver with alert handler handles + * the alert properly and clears it if necessary. + */ + if (data.addr == prev_addr && status != -EBUSY) { + device_for_each_child(&ara->adapter->dev, &data, + smbus_do_alert_force); + break; + } + prev_addr = data.addr; } return IRQ_HANDLED; @@ -128,7 +178,8 @@ static int smbalert_probe(struct i2c_client *ara, if (setup) { irq = setup->irq; } else { - irq = of_irq_get_byname(adapter->dev.of_node, "smbus_alert"); + irq = fwnode_irq_get_byname(dev_fwnode(adapter->dev.parent), + "smbus_alert"); if (irq <= 0) return irq; } diff --git a/drivers/i3c/master/mipi-i3c-hci/dma.c b/drivers/i3c/master/mipi-i3c-hci/dma.c index dd2dc00399..b9b6be1864 100644 --- a/drivers/i3c/master/mipi-i3c-hci/dma.c +++ b/drivers/i3c/master/mipi-i3c-hci/dma.c @@ -291,7 +291,10 @@ static int hci_dma_init(struct i3c_hci *hci) rh->ibi_chunk_sz = dma_get_cache_alignment(); rh->ibi_chunk_sz *= IBI_CHUNK_CACHELINES; - BUG_ON(rh->ibi_chunk_sz > 256); + if (rh->ibi_chunk_sz > 256) { + ret = -EINVAL; + goto err_out; + } ibi_status_ring_sz = rh->ibi_status_sz * rh->ibi_status_entries; ibi_data_ring_sz = rh->ibi_chunk_sz * rh->ibi_chunks_total; @@ -345,6 +348,8 @@ static void hci_dma_unmap_xfer(struct i3c_hci *hci, for (i = 0; i < n; i++) { xfer = xfer_list + i; + if (!xfer->data) + continue; dma_unmap_single(&hci->master.dev, xfer->data_dma, xfer->data_len, xfer->rnw ? DMA_FROM_DEVICE : DMA_TO_DEVICE); @@ -450,10 +455,9 @@ static bool hci_dma_dequeue_xfer(struct i3c_hci *hci, /* * We're deep in it if ever this condition is ever met. * Hardware might still be writing to memory, etc. - * Better suspend the world than risking silent corruption. */ dev_crit(&hci->master.dev, "unable to abort the ring\n"); - BUG(); + WARN_ON(1); } for (i = 0; i < n; i++) { diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig index c258ea6784..839bdcc3e5 100644 --- a/drivers/iio/accel/Kconfig +++ b/drivers/iio/accel/Kconfig @@ -235,6 +235,8 @@ config DMARD10 config FXLS8962AF tristate depends on I2C || !I2C # cannot be built-in for modular I2C + select IIO_BUFFER + select IIO_KFIFO_BUF config FXLS8962AF_I2C tristate "NXP FXLS8962AF/FXLS8964AF Accelerometer I2C Driver" diff --git a/drivers/iio/accel/mxc4005.c b/drivers/iio/accel/mxc4005.c index ffae30e5eb..8db5611134 100644 --- a/drivers/iio/accel/mxc4005.c +++ b/drivers/iio/accel/mxc4005.c @@ -5,6 +5,7 @@ * Copyright (c) 2014, Intel Corporation. */ +#include #include #include #include @@ -36,6 +37,7 @@ #define MXC4005_REG_INT_CLR1 0x01 #define MXC4005_REG_INT_CLR1_BIT_DRDYC 0x01 +#define MXC4005_REG_INT_CLR1_SW_RST 0x10 #define MXC4005_REG_CONTROL 0x0D #define MXC4005_REG_CONTROL_MASK_FSR GENMASK(6, 5) @@ -43,6 +45,9 @@ #define MXC4005_REG_DEVICE_ID 0x0E +/* Datasheet does not specify a reset time, this is a conservative guess */ +#define MXC4005_RESET_TIME_US 2000 + enum mxc4005_axis { AXIS_X, AXIS_Y, @@ -66,6 +71,8 @@ struct mxc4005_data { s64 timestamp __aligned(8); } scan; bool trigger_enabled; + unsigned int control; + unsigned int int_mask1; }; /* @@ -349,6 +356,7 @@ static int mxc4005_set_trigger_state(struct iio_trigger *trig, return ret; } + data->int_mask1 = val; data->trigger_enabled = state; mutex_unlock(&data->mutex); @@ -384,6 +392,13 @@ static int mxc4005_chip_init(struct mxc4005_data *data) dev_dbg(data->dev, "MXC4005 chip id %02x\n", reg); + ret = regmap_write(data->regmap, MXC4005_REG_INT_CLR1, + MXC4005_REG_INT_CLR1_SW_RST); + if (ret < 0) + return dev_err_probe(data->dev, ret, "resetting chip\n"); + + fsleep(MXC4005_RESET_TIME_US); + ret = regmap_write(data->regmap, MXC4005_REG_INT_MASK0, 0); if (ret < 0) return dev_err_probe(data->dev, ret, "writing INT_MASK0\n"); @@ -480,6 +495,58 @@ static int mxc4005_probe(struct i2c_client *client, return devm_iio_device_register(&client->dev, indio_dev); } +static int mxc4005_suspend(struct device *dev) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct mxc4005_data *data = iio_priv(indio_dev); + int ret; + + /* Save control to restore it on resume */ + ret = regmap_read(data->regmap, MXC4005_REG_CONTROL, &data->control); + if (ret < 0) + dev_err(data->dev, "failed to read reg_control\n"); + + return ret; +} + +static int mxc4005_resume(struct device *dev) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct mxc4005_data *data = iio_priv(indio_dev); + int ret; + + ret = regmap_write(data->regmap, MXC4005_REG_INT_CLR1, + MXC4005_REG_INT_CLR1_SW_RST); + if (ret) { + dev_err(data->dev, "failed to reset chip: %d\n", ret); + return ret; + } + + fsleep(MXC4005_RESET_TIME_US); + + ret = regmap_write(data->regmap, MXC4005_REG_CONTROL, data->control); + if (ret) { + dev_err(data->dev, "failed to restore control register\n"); + return ret; + } + + ret = regmap_write(data->regmap, MXC4005_REG_INT_MASK0, 0); + if (ret) { + dev_err(data->dev, "failed to restore interrupt 0 mask\n"); + return ret; + } + + ret = regmap_write(data->regmap, MXC4005_REG_INT_MASK1, data->int_mask1); + if (ret) { + dev_err(data->dev, "failed to restore interrupt 1 mask\n"); + return ret; + } + + return 0; +} + +static DEFINE_SIMPLE_DEV_PM_OPS(mxc4005_pm_ops, mxc4005_suspend, mxc4005_resume); + static const struct acpi_device_id mxc4005_acpi_match[] = { {"MXC4005", 0}, {"MXC6655", 0}, @@ -498,6 +565,7 @@ static struct i2c_driver mxc4005_driver = { .driver = { .name = MXC4005_DRV_NAME, .acpi_match_table = ACPI_PTR(mxc4005_acpi_match), + .pm = pm_sleep_ptr(&mxc4005_pm_ops), }, .probe = mxc4005_probe, .id_table = mxc4005_id, diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 86b83dc7b7..1dca0e82b2 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -1131,6 +1131,8 @@ config TI_ADS8344 config TI_ADS8688 tristate "Texas Instruments ADS8688" depends on SPI && OF + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER help If you say yes here you get support for Texas Instruments ADS8684 and and ADS8688 ADC chips @@ -1141,6 +1143,8 @@ config TI_ADS8688 config TI_ADS124S08 tristate "Texas Instruments ADS124S08" depends on SPI && OF + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER help If you say yes here you get support for Texas Instruments ADS124S08 and ADS124S06 ADC chips diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c index 101f2da281..06a541fa3c 100644 --- a/drivers/iio/adc/ad7124.c +++ b/drivers/iio/adc/ad7124.c @@ -144,15 +144,18 @@ struct ad7124_chip_info { struct ad7124_channel_config { bool live; unsigned int cfg_slot; - enum ad7124_ref_sel refsel; - bool bipolar; - bool buf_positive; - bool buf_negative; - unsigned int vref_mv; - unsigned int pga_bits; - unsigned int odr; - unsigned int odr_sel_bits; - unsigned int filter_type; + /* Following fields are used to compare equality. */ + struct_group(config_props, + enum ad7124_ref_sel refsel; + bool bipolar; + bool buf_positive; + bool buf_negative; + unsigned int vref_mv; + unsigned int pga_bits; + unsigned int odr; + unsigned int odr_sel_bits; + unsigned int filter_type; + ); }; struct ad7124_channel { @@ -331,11 +334,12 @@ static struct ad7124_channel_config *ad7124_find_similar_live_cfg(struct ad7124_ ptrdiff_t cmp_size; int i; - cmp_size = (u8 *)&cfg->live - (u8 *)cfg; + cmp_size = sizeof_field(struct ad7124_channel_config, config_props); for (i = 0; i < st->num_channels; i++) { cfg_aux = &st->channels[i].cfg; - if (cfg_aux->live && !memcmp(cfg, cfg_aux, cmp_size)) + if (cfg_aux->live && + !memcmp(&cfg->config_props, &cfg_aux->config_props, cmp_size)) return cfg_aux; } @@ -592,7 +596,7 @@ static int ad7124_write_raw(struct iio_dev *indio_dev, switch (info) { case IIO_CHAN_INFO_SAMP_FREQ: - if (val2 != 0) { + if (val2 != 0 || val == 0) { ret = -EINVAL; break; } @@ -686,6 +690,7 @@ static int ad7124_soft_reset(struct ad7124_state *st) if (ret < 0) return ret; + fsleep(200); timeout = 100; do { ret = ad_sd_read_reg(&st->sd, AD7124_STATUS, 1, &readval); diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c index a8ec3efd65..90b9ac589e 100644 --- a/drivers/iio/adc/ad7266.c +++ b/drivers/iio/adc/ad7266.c @@ -157,6 +157,8 @@ static int ad7266_read_raw(struct iio_dev *indio_dev, ret = ad7266_read_single(st, val, chan->address); iio_device_release_direct_mode(indio_dev); + if (ret < 0) + return ret; *val = (*val >> 2) & 0xfff; if (chan->scan_type.sign == 's') *val = sign_extend32(*val, 11); diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c index 0a60ecc69d..cc5c3d994d 100644 --- a/drivers/iio/adc/ad7606.c +++ b/drivers/iio/adc/ad7606.c @@ -238,9 +238,9 @@ static int ad7606_write_os_hw(struct iio_dev *indio_dev, int val) struct ad7606_state *st = iio_priv(indio_dev); DECLARE_BITMAP(values, 3); - values[0] = val; + values[0] = val & GENMASK(2, 0); - gpiod_set_array_value(ARRAY_SIZE(values), st->gpio_os->desc, + gpiod_set_array_value(st->gpio_os->ndescs, st->gpio_os->desc, st->gpio_os->info, values); /* AD7616 requires a reset to update value */ @@ -445,7 +445,7 @@ static int ad7606_request_gpios(struct ad7606_state *st) return PTR_ERR(st->gpio_range); st->gpio_standby = devm_gpiod_get_optional(dev, "standby", - GPIOD_OUT_HIGH); + GPIOD_OUT_LOW); if (IS_ERR(st->gpio_standby)) return PTR_ERR(st->gpio_standby); @@ -704,7 +704,7 @@ static int ad7606_suspend(struct device *dev) if (st->gpio_standby) { gpiod_set_value(st->gpio_range, 1); - gpiod_set_value(st->gpio_standby, 0); + gpiod_set_value(st->gpio_standby, 1); } return 0; diff --git a/drivers/iio/adc/ad7606_spi.c b/drivers/iio/adc/ad7606_spi.c index 29945ad07d..e1ad2cd61b 100644 --- a/drivers/iio/adc/ad7606_spi.c +++ b/drivers/iio/adc/ad7606_spi.c @@ -249,8 +249,9 @@ static int ad7616_sw_mode_config(struct iio_dev *indio_dev) static int ad7606B_sw_mode_config(struct iio_dev *indio_dev) { struct ad7606_state *st = iio_priv(indio_dev); - unsigned long os[3] = {1}; + DECLARE_BITMAP(os, 3); + bitmap_fill(os, 3); /* * Software mode is enabled when all three oversampling * pins are set to high. If oversampling gpios are defined @@ -258,7 +259,7 @@ static int ad7606B_sw_mode_config(struct iio_dev *indio_dev) * otherwise, they must be hardwired to VDD */ if (st->gpio_os) { - gpiod_set_array_value(ARRAY_SIZE(os), + gpiod_set_array_value(st->gpio_os->ndescs, st->gpio_os->desc, st->gpio_os->info, os); } /* OS of 128 and 256 are available only in software mode */ diff --git a/drivers/iio/adc/ad9467.c b/drivers/iio/adc/ad9467.c index ad94f0abc4..8003b4e2a1 100644 --- a/drivers/iio/adc/ad9467.c +++ b/drivers/iio/adc/ad9467.c @@ -223,11 +223,11 @@ static void __ad9467_get_scale(struct adi_axi_adc_conv *conv, int index, } static const struct iio_chan_spec ad9434_channels[] = { - AD9467_CHAN(0, 0, 12, 'S'), + AD9467_CHAN(0, 0, 12, 's'), }; static const struct iio_chan_spec ad9467_channels[] = { - AD9467_CHAN(0, 0, 16, 'S'), + AD9467_CHAN(0, 0, 16, 's'), }; static const struct ad9467_chip_info ad9467_chip_tbl[] = { diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c index 1ac94c4e97..cb77d26fa1 100644 --- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c +++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c @@ -180,7 +180,7 @@ static struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev, ret = dma_get_slave_caps(chan, &caps); if (ret < 0) - goto err_free; + goto err_release; /* Needs to be aligned to the maximum of the minimums */ if (caps.src_addr_widths) @@ -206,6 +206,8 @@ static struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev, return &dmaengine_buffer->queue.buffer; +err_release: + dma_release_channel(chan); err_free: kfree(dmaengine_buffer); return ERR_PTR(ret); diff --git a/drivers/iio/chemical/bme680.h b/drivers/iio/chemical/bme680.h index 4edc5d21cb..f959252a4f 100644 --- a/drivers/iio/chemical/bme680.h +++ b/drivers/iio/chemical/bme680.h @@ -54,7 +54,9 @@ #define BME680_NB_CONV_MASK GENMASK(3, 0) #define BME680_REG_MEAS_STAT_0 0x1D +#define BME680_NEW_DATA_BIT BIT(7) #define BME680_GAS_MEAS_BIT BIT(6) +#define BME680_MEAS_BIT BIT(5) /* Calibration Parameters */ #define BME680_T2_LSB_REG 0x8A diff --git a/drivers/iio/chemical/bme680_core.c b/drivers/iio/chemical/bme680_core.c index bf23cc7eb9..a6697add2c 100644 --- a/drivers/iio/chemical/bme680_core.c +++ b/drivers/iio/chemical/bme680_core.c @@ -10,6 +10,7 @@ */ #include #include +#include #include #include #include @@ -38,7 +39,7 @@ struct bme680_calib { s8 par_h3; s8 par_h4; s8 par_h5; - s8 par_h6; + u8 par_h6; s8 par_h7; s8 par_gh1; s16 par_gh2; @@ -342,10 +343,10 @@ static s16 bme680_compensate_temp(struct bme680_data *data, if (!calib->par_t2) bme680_read_calib(data, calib); - var1 = (adc_temp >> 3) - (calib->par_t1 << 1); + var1 = (adc_temp >> 3) - ((s32)calib->par_t1 << 1); var2 = (var1 * calib->par_t2) >> 11; var3 = ((var1 >> 1) * (var1 >> 1)) >> 12; - var3 = (var3 * (calib->par_t3 << 4)) >> 14; + var3 = (var3 * ((s32)calib->par_t3 << 4)) >> 14; data->t_fine = var2 + var3; calc_temp = (data->t_fine * 5 + 128) >> 8; @@ -368,9 +369,9 @@ static u32 bme680_compensate_press(struct bme680_data *data, var1 = (data->t_fine >> 1) - 64000; var2 = ((((var1 >> 2) * (var1 >> 2)) >> 11) * calib->par_p6) >> 2; var2 = var2 + (var1 * calib->par_p5 << 1); - var2 = (var2 >> 2) + (calib->par_p4 << 16); + var2 = (var2 >> 2) + ((s32)calib->par_p4 << 16); var1 = (((((var1 >> 2) * (var1 >> 2)) >> 13) * - (calib->par_p3 << 5)) >> 3) + + ((s32)calib->par_p3 << 5)) >> 3) + ((calib->par_p2 * var1) >> 1); var1 = var1 >> 18; var1 = ((32768 + var1) * calib->par_p1) >> 15; @@ -388,7 +389,7 @@ static u32 bme680_compensate_press(struct bme680_data *data, var3 = ((press_comp >> 8) * (press_comp >> 8) * (press_comp >> 8) * calib->par_p10) >> 17; - press_comp += (var1 + var2 + var3 + (calib->par_p7 << 7)) >> 4; + press_comp += (var1 + var2 + var3 + ((s32)calib->par_p7 << 7)) >> 4; return press_comp; } @@ -414,7 +415,7 @@ static u32 bme680_compensate_humid(struct bme680_data *data, (((temp_scaled * ((temp_scaled * calib->par_h5) / 100)) >> 6) / 100) + (1 << 14))) >> 10; var3 = var1 * var2; - var4 = calib->par_h6 << 7; + var4 = (s32)calib->par_h6 << 7; var4 = (var4 + ((temp_scaled * calib->par_h7) / 100)) >> 4; var5 = ((var3 >> 14) * (var3 >> 14)) >> 10; var6 = (var4 * var5) >> 1; @@ -532,6 +533,43 @@ static u8 bme680_oversampling_to_reg(u8 val) return ilog2(val) + 1; } +/* + * Taken from Bosch BME680 API: + * https://github.com/boschsensortec/BME68x_SensorAPI/blob/v4.4.8/bme68x.c#L490 + */ +static int bme680_wait_for_eoc(struct bme680_data *data) +{ + struct device *dev = regmap_get_device(data->regmap); + unsigned int check; + int ret; + /* + * (Sum of oversampling ratios * time per oversampling) + + * TPH measurement + gas measurement + wait transition from forced mode + * + heater duration + */ + int wait_eoc_us = ((data->oversampling_temp + data->oversampling_press + + data->oversampling_humid) * 1936) + (477 * 4) + + (477 * 5) + 1000 + (data->heater_dur * 1000); + + usleep_range(wait_eoc_us, wait_eoc_us + 100); + + ret = regmap_read(data->regmap, BME680_REG_MEAS_STAT_0, &check); + if (ret) { + dev_err(dev, "failed to read measurement status register.\n"); + return ret; + } + if (check & BME680_MEAS_BIT) { + dev_err(dev, "Device measurement cycle incomplete.\n"); + return -EBUSY; + } + if (!(check & BME680_NEW_DATA_BIT)) { + dev_err(dev, "No new data available from the device.\n"); + return -ENODATA; + } + + return 0; +} + static int bme680_chip_config(struct bme680_data *data) { struct device *dev = regmap_get_device(data->regmap); @@ -622,6 +660,10 @@ static int bme680_read_temp(struct bme680_data *data, int *val) if (ret < 0) return ret; + ret = bme680_wait_for_eoc(data); + if (ret) + return ret; + ret = regmap_bulk_read(data->regmap, BME680_REG_TEMP_MSB, &tmp, 3); if (ret < 0) { @@ -678,7 +720,7 @@ static int bme680_read_press(struct bme680_data *data, } *val = bme680_compensate_press(data, adc_press); - *val2 = 100; + *val2 = 1000; return IIO_VAL_FRACTIONAL; } @@ -738,6 +780,10 @@ static int bme680_read_gas(struct bme680_data *data, if (ret < 0) return ret; + ret = bme680_wait_for_eoc(data); + if (ret) + return ret; + ret = regmap_read(data->regmap, BME680_REG_MEAS_STAT_0, &check); if (check & BME680_GAS_MEAS_BIT) { dev_err(dev, "gas measurement incomplete\n"); diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c index a4ec11a3b6..82ab168cc1 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -32,7 +32,7 @@ static ssize_t _hid_sensor_set_report_latency(struct device *dev, latency = integer * 1000 + fract / 1000; ret = hid_sensor_set_report_latency(attrb, latency); if (ret < 0) - return len; + return ret; attrb->latency_ms = hid_sensor_get_report_latency(attrb); diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig index 75e1f2b486..79a4fe015e 100644 --- a/drivers/iio/dac/Kconfig +++ b/drivers/iio/dac/Kconfig @@ -203,6 +203,7 @@ config AD5766 config AD5770R tristate "Analog Devices AD5770R IDAC driver" depends on SPI_MASTER + select REGMAP_SPI help Say yes here to build support for Analog Devices AD5770R Digital to Analog Converter. @@ -283,6 +284,7 @@ config LPC18XX_DAC config LTC1660 tristate "Linear Technology LTC1660/LTC1665 DAC SPI driver" depends on SPI + select REGMAP_SPI help Say yes here to build support for Linear Technology LTC1660 and LTC1665 Digital to Analog Converters. @@ -369,6 +371,7 @@ config STM32_DAC config STM32_DAC_CORE tristate + select REGMAP_MMIO config TI_DAC082S085 tristate "Texas Instruments 8/10/12-bit 2/4-channel DAC driver" diff --git a/drivers/iio/dac/ad5592r-base.c b/drivers/iio/dac/ad5592r-base.c index 9872644102..520a3748be 100644 --- a/drivers/iio/dac/ad5592r-base.c +++ b/drivers/iio/dac/ad5592r-base.c @@ -411,7 +411,7 @@ static int ad5592r_read_raw(struct iio_dev *iio_dev, s64 tmp = *val * (3767897513LL / 25LL); *val = div_s64_rem(tmp, 1000000000LL, val2); - return IIO_VAL_INT_PLUS_MICRO; + return IIO_VAL_INT_PLUS_NANO; } mutex_lock(&st->lock); diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c index 383cc32503..a394b667a3 100644 --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c @@ -128,10 +128,6 @@ static int inv_icm42600_accel_update_scan_mode(struct iio_dev *indio_dev, /* update data FIFO write */ inv_icm42600_timestamp_apply_odr(ts, 0, 0, 0); ret = inv_icm42600_buffer_set_fifo_en(st, fifo_en | st->fifo.en); - if (ret) - goto out_unlock; - - ret = inv_icm42600_buffer_update_watermark(st); out_unlock: mutex_unlock(&st->lock); diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c index cec1dd0e04..22b7ccfa7f 100644 --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c @@ -128,10 +128,6 @@ static int inv_icm42600_gyro_update_scan_mode(struct iio_dev *indio_dev, /* update data FIFO write */ inv_icm42600_timestamp_apply_odr(ts, 0, 0, 0); ret = inv_icm42600_buffer_set_fifo_en(st, fifo_en | st->fifo.en); - if (ret) - goto out_unlock; - - ret = inv_icm42600_buffer_update_watermark(st); out_unlock: mutex_unlock(&st->lock); diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c index bf9ce01c85..16f25a2bed 100644 --- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -629,17 +629,17 @@ static int iio_convert_raw_to_processed_unlocked(struct iio_channel *chan, break; case IIO_VAL_INT_PLUS_MICRO: if (scale_val2 < 0) - *processed = -raw64 * scale_val; + *processed = -raw64 * scale_val * scale; else - *processed = raw64 * scale_val; + *processed = raw64 * scale_val * scale; *processed += div_s64(raw64 * (s64)scale_val2 * scale, 1000000LL); break; case IIO_VAL_INT_PLUS_NANO: if (scale_val2 < 0) - *processed = -raw64 * scale_val; + *processed = -raw64 * scale_val * scale; else - *processed = raw64 * scale_val; + *processed = raw64 * scale_val * scale; *processed += div_s64(raw64 * (s64)scale_val2 * scale, 1000000000LL); break; diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c index 1880bd5bb2..f2462121aa 100644 --- a/drivers/iio/light/opt3001.c +++ b/drivers/iio/light/opt3001.c @@ -138,6 +138,10 @@ static const struct opt3001_scale opt3001_scales[] = { .val = 20966, .val2 = 400000, }, + { + .val = 41932, + .val2 = 800000, + }, { .val = 83865, .val2 = 600000, diff --git a/drivers/iio/light/veml6030.c b/drivers/iio/light/veml6030.c index 3c937c55a1..1b895bad81 100644 --- a/drivers/iio/light/veml6030.c +++ b/drivers/iio/light/veml6030.c @@ -99,9 +99,8 @@ static const char * const period_values[] = { static ssize_t in_illuminance_period_available_show(struct device *dev, struct device_attribute *attr, char *buf) { + struct veml6030_data *data = iio_priv(dev_to_iio_dev(dev)); int ret, reg, x; - struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); - struct veml6030_data *data = iio_priv(indio_dev); ret = regmap_read(data->regmap, VEML6030_REG_ALS_CONF, ®); if (ret) { @@ -523,7 +522,7 @@ static int veml6030_read_raw(struct iio_dev *indio_dev, } if (mask == IIO_CHAN_INFO_PROCESSED) { *val = (reg * data->cur_resolution) / 10000; - *val2 = (reg * data->cur_resolution) % 10000; + *val2 = (reg * data->cur_resolution) % 10000 * 100; return IIO_VAL_INT_PLUS_MICRO; } *val = reg; @@ -780,7 +779,7 @@ static int veml6030_hw_init(struct iio_dev *indio_dev) /* Cache currently active measurement parameters */ data->cur_gain = 3; - data->cur_resolution = 4608; + data->cur_resolution = 5376; data->cur_integration_time = 3; return ret; diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 1509fd0cbb..c12bcee912 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -661,22 +661,8 @@ static int ak8975_start_read_axis(struct ak8975_data *data, if (ret < 0) return ret; - /* This will be executed only for non-interrupt based waiting case */ - if (ret & data->def->ctrl_masks[ST1_DRDY]) { - ret = i2c_smbus_read_byte_data(client, - data->def->ctrl_regs[ST2]); - if (ret < 0) { - dev_err(&client->dev, "Error in reading ST2\n"); - return ret; - } - if (ret & (data->def->ctrl_masks[ST2_DERR] | - data->def->ctrl_masks[ST2_HOFL])) { - dev_err(&client->dev, "ST2 status error 0x%x\n", ret); - return -EINVAL; - } - } - - return 0; + /* Return with zero if the data is ready. */ + return !data->def->ctrl_regs[ST1_DRDY]; } /* Retrieve raw flux value for one of the x, y, or z axis. */ @@ -703,6 +689,20 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val) if (ret < 0) goto exit; + /* Read out ST2 for release lock on measurment data. */ + ret = i2c_smbus_read_byte_data(client, data->def->ctrl_regs[ST2]); + if (ret < 0) { + dev_err(&client->dev, "Error in reading ST2\n"); + goto exit; + } + + if (ret & (data->def->ctrl_masks[ST2_DERR] | + data->def->ctrl_masks[ST2_HOFL])) { + dev_err(&client->dev, "ST2 status error 0x%x\n", ret); + ret = -EINVAL; + goto exit; + } + mutex_unlock(&data->lock); pm_runtime_mark_last_busy(&data->client->dev); diff --git a/drivers/iio/proximity/Kconfig b/drivers/iio/proximity/Kconfig index 7c7203ca3a..1449fd2016 100644 --- a/drivers/iio/proximity/Kconfig +++ b/drivers/iio/proximity/Kconfig @@ -60,6 +60,8 @@ config LIDAR_LITE_V2 config MB1232 tristate "MaxSonar I2CXL family ultrasonic sensors" depends on I2C + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER help Say Y to build a driver for the ultrasonic sensors I2CXL of MaxBotix which have an i2c interface. It can be used to measure diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c index 0c98dd3dee..b534ef0316 100644 --- a/drivers/infiniband/core/cache.c +++ b/drivers/infiniband/core/cache.c @@ -794,7 +794,6 @@ static struct ib_gid_table *alloc_gid_table(int sz) static void release_gid_table(struct ib_device *device, struct ib_gid_table *table) { - bool leak = false; int i; if (!table) @@ -803,15 +802,12 @@ static void release_gid_table(struct ib_device *device, for (i = 0; i < table->sz; i++) { if (is_gid_entry_free(table->data_vec[i])) continue; - if (kref_read(&table->data_vec[i]->kref) > 1) { - dev_err(&device->dev, - "GID entry ref leak for index %d ref=%u\n", i, - kref_read(&table->data_vec[i]->kref)); - leak = true; - } + + WARN_ONCE(true, + "GID entry ref leak for dev %s index %d ref=%u\n", + dev_name(&device->dev), i, + kref_read(&table->data_vec[i]->kref)); } - if (leak) - return; mutex_destroy(&table->lock); kfree(table->data_vec); @@ -1627,8 +1623,10 @@ int ib_cache_setup_one(struct ib_device *device) rdma_for_each_port (device, p) { err = ib_cache_update(device, p, true, true, true); - if (err) + if (err) { + gid_table_cleanup_one(device); return err; + } } return 0; diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 725f271913..5d1ce55fda 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -2145,6 +2145,9 @@ int ib_device_set_netdev(struct ib_device *ib_dev, struct net_device *ndev, unsigned long flags; int ret; + if (!rdma_is_port_valid(ib_dev, port)) + return -EINVAL; + /* * Drivers wish to call this before ib_register_driver, so we have to * setup the port data early. @@ -2153,9 +2156,6 @@ int ib_device_set_netdev(struct ib_device *ib_dev, struct net_device *ndev, if (ret) return ret; - if (!rdma_is_port_valid(ib_dev, port)) - return -EINVAL; - pdata = &ib_dev->port_data[port]; spin_lock_irqsave(&pdata->netdev_lock, flags); old_ndev = rcu_dereference_protected( diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index 2b47073c61..3e4941754b 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -369,8 +369,10 @@ EXPORT_SYMBOL(iw_cm_disconnect); * * Clean up all resources associated with the connection and release * the initial reference taken by iw_create_cm_id. + * + * Returns true if and only if the last cm_id_priv reference has been dropped. */ -static void destroy_cm_id(struct iw_cm_id *cm_id) +static bool destroy_cm_id(struct iw_cm_id *cm_id) { struct iwcm_id_private *cm_id_priv; struct ib_qp *qp; @@ -440,7 +442,7 @@ static void destroy_cm_id(struct iw_cm_id *cm_id) iwpm_remove_mapping(&cm_id->local_addr, RDMA_NL_IWCM); } - (void)iwcm_deref_id(cm_id_priv); + return iwcm_deref_id(cm_id_priv); } /* @@ -451,7 +453,8 @@ static void destroy_cm_id(struct iw_cm_id *cm_id) */ void iw_destroy_cm_id(struct iw_cm_id *cm_id) { - destroy_cm_id(cm_id); + if (!destroy_cm_id(cm_id)) + flush_workqueue(iwcm_wq); } EXPORT_SYMBOL(iw_destroy_cm_id); @@ -1035,7 +1038,7 @@ static void cm_work_handler(struct work_struct *_work) if (!test_bit(IWCM_F_DROP_EVENTS, &cm_id_priv->flags)) { ret = process_event(cm_id_priv, &levent); if (ret) - destroy_cm_id(&cm_id_priv->id); + WARN_ON_ONCE(destroy_cm_id(&cm_id_priv->id)); } else pr_debug("dropping event %d\n", levent.event); if (iwcm_deref_id(cm_id_priv)) @@ -1188,7 +1191,7 @@ static int __init iw_cm_init(void) if (ret) return ret; - iwcm_wq = alloc_ordered_workqueue("iw_cm_wq", 0); + iwcm_wq = alloc_ordered_workqueue("iw_cm_wq", WQ_MEM_RECLAIM); if (!iwcm_wq) goto err_alloc; diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 674344eb8e..58befbaaf0 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -2616,14 +2616,16 @@ static int retry_send(struct ib_mad_send_wr_private *mad_send_wr) static void timeout_sends(struct work_struct *work) { + struct ib_mad_send_wr_private *mad_send_wr, *n; struct ib_mad_agent_private *mad_agent_priv; - struct ib_mad_send_wr_private *mad_send_wr; struct ib_mad_send_wc mad_send_wc; + struct list_head local_list; unsigned long flags, delay; mad_agent_priv = container_of(work, struct ib_mad_agent_private, timed_work.work); mad_send_wc.vendor_err = 0; + INIT_LIST_HEAD(&local_list); spin_lock_irqsave(&mad_agent_priv->lock, flags); while (!list_empty(&mad_agent_priv->wait_list)) { @@ -2641,13 +2643,16 @@ static void timeout_sends(struct work_struct *work) break; } - list_del(&mad_send_wr->agent_list); + list_del_init(&mad_send_wr->agent_list); if (mad_send_wr->status == IB_WC_SUCCESS && !retry_send(mad_send_wr)) continue; - spin_unlock_irqrestore(&mad_agent_priv->lock, flags); + list_add_tail(&mad_send_wr->agent_list, &local_list); + } + spin_unlock_irqrestore(&mad_agent_priv->lock, flags); + list_for_each_entry_safe(mad_send_wr, n, &local_list, agent_list) { if (mad_send_wr->status == IB_WC_SUCCESS) mad_send_wc.status = IB_WC_RESP_TIMEOUT_ERR; else @@ -2655,11 +2660,8 @@ static void timeout_sends(struct work_struct *work) mad_send_wc.send_buf = &mad_send_wr->send_buf; mad_agent_priv->agent.send_handler(&mad_agent_priv->agent, &mad_send_wc); - deref_mad_agent(mad_agent_priv); - spin_lock_irqsave(&mad_agent_priv->lock, flags); } - spin_unlock_irqrestore(&mad_agent_priv->lock, flags); } /* diff --git a/drivers/infiniband/core/restrack.c b/drivers/infiniband/core/restrack.c index 01a499a8b8..438ed35881 100644 --- a/drivers/infiniband/core/restrack.c +++ b/drivers/infiniband/core/restrack.c @@ -37,22 +37,6 @@ int rdma_restrack_init(struct ib_device *dev) return 0; } -static const char *type2str(enum rdma_restrack_type type) -{ - static const char * const names[RDMA_RESTRACK_MAX] = { - [RDMA_RESTRACK_PD] = "PD", - [RDMA_RESTRACK_CQ] = "CQ", - [RDMA_RESTRACK_QP] = "QP", - [RDMA_RESTRACK_CM_ID] = "CM_ID", - [RDMA_RESTRACK_MR] = "MR", - [RDMA_RESTRACK_CTX] = "CTX", - [RDMA_RESTRACK_COUNTER] = "COUNTER", - [RDMA_RESTRACK_SRQ] = "SRQ", - }; - - return names[type]; -}; - /** * rdma_restrack_clean() - clean resource tracking * @dev: IB device @@ -60,47 +44,14 @@ static const char *type2str(enum rdma_restrack_type type) void rdma_restrack_clean(struct ib_device *dev) { struct rdma_restrack_root *rt = dev->res; - struct rdma_restrack_entry *e; - char buf[TASK_COMM_LEN]; - bool found = false; - const char *owner; int i; for (i = 0 ; i < RDMA_RESTRACK_MAX; i++) { struct xarray *xa = &dev->res[i].xa; - if (!xa_empty(xa)) { - unsigned long index; - - if (!found) { - pr_err("restrack: %s", CUT_HERE); - dev_err(&dev->dev, "BUG: RESTRACK detected leak of resources\n"); - } - xa_for_each(xa, index, e) { - if (rdma_is_kernel_res(e)) { - owner = e->kern_name; - } else { - /* - * There is no need to call get_task_struct here, - * because we can be here only if there are more - * get_task_struct() call than put_task_struct(). - */ - get_task_comm(buf, e->task); - owner = buf; - } - - pr_err("restrack: %s %s object allocated by %s is not freed\n", - rdma_is_kernel_res(e) ? "Kernel" : - "User", - type2str(e->type), owner); - } - found = true; - } + WARN_ON(!xa_empty(xa)); xa_destroy(xa); } - if (found) - pr_err("restrack: %s", CUT_HERE); - kfree(rt); } diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index 5c284dfbe6..66a0c5a73b 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -63,6 +63,8 @@ MODULE_AUTHOR("Roland Dreier"); MODULE_DESCRIPTION("InfiniBand userspace MAD packet access"); MODULE_LICENSE("Dual BSD/GPL"); +#define MAX_UMAD_RECV_LIST_SIZE 200000 + enum { IB_UMAD_MAX_PORTS = RDMA_MAX_PORTS, IB_UMAD_MAX_AGENTS = 32, @@ -113,6 +115,7 @@ struct ib_umad_file { struct mutex mutex; struct ib_umad_port *port; struct list_head recv_list; + atomic_t recv_list_size; struct list_head send_list; struct list_head port_list; spinlock_t send_lock; @@ -180,24 +183,28 @@ static struct ib_mad_agent *__get_agent(struct ib_umad_file *file, int id) return file->agents_dead ? NULL : file->agent[id]; } -static int queue_packet(struct ib_umad_file *file, - struct ib_mad_agent *agent, - struct ib_umad_packet *packet) +static int queue_packet(struct ib_umad_file *file, struct ib_mad_agent *agent, + struct ib_umad_packet *packet, bool is_recv_mad) { int ret = 1; mutex_lock(&file->mutex); + if (is_recv_mad && + atomic_read(&file->recv_list_size) > MAX_UMAD_RECV_LIST_SIZE) + goto unlock; + for (packet->mad.hdr.id = 0; packet->mad.hdr.id < IB_UMAD_MAX_AGENTS; packet->mad.hdr.id++) if (agent == __get_agent(file, packet->mad.hdr.id)) { list_add_tail(&packet->list, &file->recv_list); + atomic_inc(&file->recv_list_size); wake_up_interruptible(&file->recv_wait); ret = 0; break; } - +unlock: mutex_unlock(&file->mutex); return ret; @@ -224,7 +231,7 @@ static void send_handler(struct ib_mad_agent *agent, if (send_wc->status == IB_WC_RESP_TIMEOUT_ERR) { packet->length = IB_MGMT_MAD_HDR; packet->mad.hdr.status = ETIMEDOUT; - if (!queue_packet(file, agent, packet)) + if (!queue_packet(file, agent, packet, false)) return; } kfree(packet); @@ -284,7 +291,7 @@ static void recv_handler(struct ib_mad_agent *agent, rdma_destroy_ah_attr(&ah_attr); } - if (queue_packet(file, agent, packet)) + if (queue_packet(file, agent, packet, true)) goto err2; return; @@ -409,6 +416,7 @@ static ssize_t ib_umad_read(struct file *filp, char __user *buf, packet = list_entry(file->recv_list.next, struct ib_umad_packet, list); list_del(&packet->list); + atomic_dec(&file->recv_list_size); mutex_unlock(&file->mutex); @@ -421,6 +429,7 @@ static ssize_t ib_umad_read(struct file *filp, char __user *buf, /* Requeue packet */ mutex_lock(&file->mutex); list_add(&packet->list, &file->recv_list); + atomic_inc(&file->recv_list_size); mutex_unlock(&file->mutex); } else { if (packet->recv_wc) diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index 91b71fa3c1..e29894197f 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -2354,7 +2354,7 @@ static int bnxt_re_build_send_wqe(struct bnxt_re_qp *qp, break; case IB_WR_SEND_WITH_IMM: wqe->type = BNXT_QPLIB_SWQE_TYPE_SEND_WITH_IMM; - wqe->send.imm_data = wr->ex.imm_data; + wqe->send.imm_data = be32_to_cpu(wr->ex.imm_data); break; case IB_WR_SEND_WITH_INV: wqe->type = BNXT_QPLIB_SWQE_TYPE_SEND_WITH_INV; @@ -2384,7 +2384,7 @@ static int bnxt_re_build_rdma_wqe(const struct ib_send_wr *wr, break; case IB_WR_RDMA_WRITE_WITH_IMM: wqe->type = BNXT_QPLIB_SWQE_TYPE_RDMA_WRITE_WITH_IMM; - wqe->rdma.imm_data = wr->ex.imm_data; + wqe->rdma.imm_data = be32_to_cpu(wr->ex.imm_data); break; case IB_WR_RDMA_READ: wqe->type = BNXT_QPLIB_SWQE_TYPE_RDMA_READ; @@ -3334,7 +3334,7 @@ static void bnxt_re_process_res_shadow_qp_wc(struct bnxt_re_qp *gsi_sqp, wc->byte_len = orig_cqe->length; wc->qp = &gsi_qp->ib_qp; - wc->ex.imm_data = orig_cqe->immdata; + wc->ex.imm_data = cpu_to_be32(le32_to_cpu(orig_cqe->immdata)); wc->src_qp = orig_cqe->src_qp; memcpy(wc->smac, orig_cqe->smac, ETH_ALEN); if (bnxt_re_is_vlan_pkt(orig_cqe, &vlan_id, &sl)) { @@ -3470,7 +3470,7 @@ int bnxt_re_poll_cq(struct ib_cq *ib_cq, int num_entries, struct ib_wc *wc) (unsigned long)(cqe->qp_handle), struct bnxt_re_qp, qplib_qp); wc->qp = &qp->ib_qp; - wc->ex.imm_data = cqe->immdata; + wc->ex.imm_data = cpu_to_be32(le32_to_cpu(cqe->immdata)); wc->src_qp = cqe->src_qp; memcpy(wc->smac, cqe->smac, ETH_ALEN); wc->port_num = 1; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c index f1aa3e19b6..dea70db9ee 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c @@ -1494,9 +1494,11 @@ int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res, u32 tbl_indx; int rc; + spin_lock_bh(&rcfw->tbl_lock); tbl_indx = map_qp_id_to_tbl_indx(qp->id, rcfw); rcfw->qp_tbl[tbl_indx].qp_id = BNXT_QPLIB_QP_ID_INVALID; rcfw->qp_tbl[tbl_indx].qp_handle = NULL; + spin_unlock_bh(&rcfw->tbl_lock); RCFW_CMD_PREP(req, DESTROY_QP, cmd_flags); @@ -1504,8 +1506,10 @@ int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res, rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, NULL, 0); if (rc) { + spin_lock_bh(&rcfw->tbl_lock); rcfw->qp_tbl[tbl_indx].qp_id = qp->id; rcfw->qp_tbl[tbl_indx].qp_handle = qp; + spin_unlock_bh(&rcfw->tbl_lock); return rc; } diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h index 49d89c0808..57a3dae87f 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h @@ -164,12 +164,12 @@ struct bnxt_qplib_swqe { /* Send, with imm, inval key */ struct { union { - __be32 imm_data; + u32 imm_data; u32 inv_key; }; u32 q_key; u32 dst_qp; - u16 avid; + u32 avid; } send; /* Send Raw Ethernet and QP1 */ @@ -182,7 +182,7 @@ struct bnxt_qplib_swqe { /* RDMA write, with imm, read */ struct { union { - __be32 imm_data; + u32 imm_data; u32 inv_key; }; u64 remote_va; @@ -374,7 +374,7 @@ struct bnxt_qplib_cqe { u16 cfa_meta; u64 wr_id; union { - __be32 immdata; + __le32 immdata; u32 invrkey; }; u64 qp_handle; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c index 3b8cb46551..2394dcc033 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c @@ -249,7 +249,7 @@ int bnxt_qplib_rcfw_send_message(struct bnxt_qplib_rcfw *rcfw, /* failed with status */ dev_err(&rcfw->pdev->dev, "cmdq[%#x]=%#x status %#x\n", cookie, opcode, evnt->status); - rc = -EFAULT; + rc = -EIO; } return rc; @@ -320,17 +320,21 @@ static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw, case CREQ_QP_EVENT_EVENT_QP_ERROR_NOTIFICATION: err_event = (struct creq_qp_error_notification *)qp_event; qp_id = le32_to_cpu(err_event->xid); + spin_lock(&rcfw->tbl_lock); tbl_indx = map_qp_id_to_tbl_indx(qp_id, rcfw); qp = rcfw->qp_tbl[tbl_indx].qp_handle; + if (!qp) { + spin_unlock(&rcfw->tbl_lock); + break; + } + bnxt_qplib_mark_qp_error(qp); + rc = rcfw->creq.aeq_handler(rcfw, qp_event, qp); + spin_unlock(&rcfw->tbl_lock); dev_dbg(&pdev->dev, "Received QP error notification\n"); dev_dbg(&pdev->dev, "qpid 0x%x, req_err=0x%x, resp_err=0x%x\n", qp_id, err_event->req_err_state_reason, err_event->res_err_state_reason); - if (!qp) - break; - bnxt_qplib_mark_qp_error(qp); - rc = rcfw->creq.aeq_handler(rcfw, qp_event, qp); break; default: /* @@ -631,6 +635,7 @@ int bnxt_qplib_alloc_rcfw_channel(struct bnxt_qplib_res *res, GFP_KERNEL); if (!rcfw->qp_tbl) goto fail; + spin_lock_init(&rcfw->tbl_lock); return 0; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h index 2acdec55a6..aaf06cd939 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h @@ -186,6 +186,8 @@ struct bnxt_qplib_rcfw { struct bnxt_qplib_crsqe *crsqe_tbl; int qp_tbl_size; struct bnxt_qplib_qp_node *qp_tbl; + /* To synchronize the qp-handle hash table */ + spinlock_t tbl_lock; u64 oos_prev; u32 init_oos_stats; u32 cmdq_depth; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c index 384d41072c..401cb3e22f 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c @@ -243,6 +243,8 @@ int bnxt_qplib_alloc_init_hwq(struct bnxt_qplib_hwq *hwq, sginfo.pgsize = npde * pg_size; sginfo.npages = 1; rc = __alloc_pbl(res, &hwq->pbl[PBL_LVL_0], &sginfo); + if (rc) + goto fail; /* Alloc PBL pages */ sginfo.npages = npbl; @@ -254,22 +256,9 @@ int bnxt_qplib_alloc_init_hwq(struct bnxt_qplib_hwq *hwq, dst_virt_ptr = (dma_addr_t **)hwq->pbl[PBL_LVL_0].pg_arr; src_phys_ptr = hwq->pbl[PBL_LVL_1].pg_map_arr; - if (hwq_attr->type == HWQ_TYPE_MR) { - /* For MR it is expected that we supply only 1 contigous - * page i.e only 1 entry in the PDL that will contain - * all the PBLs for the user supplied memory region - */ - for (i = 0; i < hwq->pbl[PBL_LVL_1].pg_count; - i++) - dst_virt_ptr[0][i] = src_phys_ptr[i] | - flag; - } else { - for (i = 0; i < hwq->pbl[PBL_LVL_1].pg_count; - i++) - dst_virt_ptr[PTR_PG(i)][PTR_IDX(i)] = - src_phys_ptr[i] | - PTU_PDE_VALID; - } + for (i = 0; i < hwq->pbl[PBL_LVL_1].pg_count; i++) + dst_virt_ptr[0][i] = src_phys_ptr[i] | flag; + /* Alloc or init PTEs */ rc = __alloc_pbl(res, &hwq->pbl[PBL_LVL_2], hwq_attr->sginfo); diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index f159cbb6bb..3efd06d5f7 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -1222,6 +1222,8 @@ static int act_establish(struct c4iw_dev *dev, struct sk_buff *skb) int ret; ep = lookup_atid(t, atid); + if (!ep) + return -EINVAL; pr_debug("ep %p tid %u snd_isn %u rcv_isn %u\n", ep, tid, be32_to_cpu(req->snd_isn), be32_to_cpu(req->rcv_isn)); @@ -2084,7 +2086,7 @@ static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip, err = -ENOMEM; if (n->dev->flags & IFF_LOOPBACK) { if (iptype == 4) - pdev = ip_dev_find(&init_net, *(__be32 *)peer_ip); + pdev = __ip_dev_find(&init_net, *(__be32 *)peer_ip, false); else if (IS_ENABLED(CONFIG_IPV6)) for_each_netdev(&init_net, pdev) { if (ipv6_chk_addr(&init_net, @@ -2099,12 +2101,12 @@ static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip, err = -ENODEV; goto out; } + if (is_vlan_dev(pdev)) + pdev = vlan_dev_real_dev(pdev); ep->l2t = cxgb4_l2t_get(cdev->rdev.lldi.l2t, n, pdev, rt_tos2priority(tos)); - if (!ep->l2t) { - dev_put(pdev); + if (!ep->l2t) goto out; - } ep->mtu = pdev->mtu; ep->tx_chan = cxgb4_port_chan(pdev); ep->smac_idx = ((struct port_info *)netdev_priv(pdev))->smt_idx; @@ -2117,7 +2119,6 @@ static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip, ep->rss_qid = cdev->rdev.lldi.rxq_ids[ cxgb4_port_idx(pdev) * step]; set_tcp_window(ep, (struct port_info *)netdev_priv(pdev)); - dev_put(pdev); } else { pdev = get_real_dev(n->dev); ep->l2t = cxgb4_l2t_get(cdev->rdev.lldi.l2t, @@ -2279,6 +2280,9 @@ static int act_open_rpl(struct c4iw_dev *dev, struct sk_buff *skb) int ret = 0; ep = lookup_atid(t, atid); + if (!ep) + return -EINVAL; + la = (struct sockaddr_in *)&ep->com.local_addr; ra = (struct sockaddr_in *)&ep->com.remote_addr; la6 = (struct sockaddr_in6 *)&ep->com.local_addr; diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c index e7337662af..8cbbef7700 100644 --- a/drivers/infiniband/hw/cxgb4/provider.c +++ b/drivers/infiniband/hw/cxgb4/provider.c @@ -469,6 +469,7 @@ static const struct ib_device_ops c4iw_dev_ops = { .fill_res_cq_entry = c4iw_fill_res_cq_entry, .fill_res_cm_id_entry = c4iw_fill_res_cm_id_entry, .fill_res_mr_entry = c4iw_fill_res_mr_entry, + .fill_res_qp_entry = c4iw_fill_res_qp_entry, .get_dev_fw_str = get_dev_fw_str, .get_dma_mr = c4iw_get_dma_mr, .get_hw_stats = c4iw_get_mib, diff --git a/drivers/infiniband/hw/efa/efa_com.c b/drivers/infiniband/hw/efa/efa_com.c index 0d523ad736..4629080220 100644 --- a/drivers/infiniband/hw/efa/efa_com.c +++ b/drivers/infiniband/hw/efa/efa_com.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause /* - * Copyright 2018-2021 Amazon.com, Inc. or its affiliates. All rights reserved. + * Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved. */ #include "efa_com.h" @@ -398,8 +398,8 @@ static struct efa_comp_ctx *efa_com_submit_admin_cmd(struct efa_com_admin_queue return comp_ctx; } -static void efa_com_handle_single_admin_completion(struct efa_com_admin_queue *aq, - struct efa_admin_acq_entry *cqe) +static int efa_com_handle_single_admin_completion(struct efa_com_admin_queue *aq, + struct efa_admin_acq_entry *cqe) { struct efa_comp_ctx *comp_ctx; u16 cmd_id; @@ -408,11 +408,11 @@ static void efa_com_handle_single_admin_completion(struct efa_com_admin_queue *a EFA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID); comp_ctx = efa_com_get_comp_ctx(aq, cmd_id, false); - if (!comp_ctx) { + if (comp_ctx->status != EFA_CMD_SUBMITTED) { ibdev_err(aq->efa_dev, - "comp_ctx is NULL. Changing the admin queue running state\n"); - clear_bit(EFA_AQ_STATE_RUNNING_BIT, &aq->state); - return; + "Received completion with unexpected command id[%d], sq producer: %d, sq consumer: %d, cq consumer: %d\n", + cmd_id, aq->sq.pc, aq->sq.cc, aq->cq.cc); + return -EINVAL; } comp_ctx->status = EFA_CMD_COMPLETED; @@ -420,14 +420,17 @@ static void efa_com_handle_single_admin_completion(struct efa_com_admin_queue *a if (!test_bit(EFA_AQ_STATE_POLLING_BIT, &aq->state)) complete(&comp_ctx->wait_event); + + return 0; } static void efa_com_handle_admin_completion(struct efa_com_admin_queue *aq) { struct efa_admin_acq_entry *cqe; u16 queue_size_mask; - u16 comp_num = 0; + u16 comp_cmds = 0; u8 phase; + int err; u16 ci; queue_size_mask = aq->depth - 1; @@ -445,10 +448,12 @@ static void efa_com_handle_admin_completion(struct efa_com_admin_queue *aq) * phase bit was validated */ dma_rmb(); - efa_com_handle_single_admin_completion(aq, cqe); + err = efa_com_handle_single_admin_completion(aq, cqe); + if (!err) + comp_cmds++; + aq->cq.cc++; ci++; - comp_num++; if (ci == aq->depth) { ci = 0; phase = !phase; @@ -457,10 +462,9 @@ static void efa_com_handle_admin_completion(struct efa_com_admin_queue *aq) cqe = &aq->cq.entries[ci]; } - aq->cq.cc += comp_num; aq->cq.phase = phase; - aq->sq.cc += comp_num; - atomic64_add(comp_num, &aq->stats.completed_cmd); + aq->sq.cc += comp_cmds; + atomic64_add(comp_cmds, &aq->stats.completed_cmd); } static int efa_com_comp_status_to_errno(u8 comp_status) diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index b69dd61814..c6d9a82805 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -13182,15 +13182,16 @@ static void read_mod_write(struct hfi1_devdata *dd, u16 src, u64 bits, { u64 reg; u16 idx = src / BITS_PER_REGISTER; + unsigned long flags; - spin_lock(&dd->irq_src_lock); + spin_lock_irqsave(&dd->irq_src_lock, flags); reg = read_csr(dd, CCE_INT_MASK + (8 * idx)); if (set) reg |= bits; else reg &= ~bits; write_csr(dd, CCE_INT_MASK + (8 * idx), reg); - spin_unlock(&dd->irq_src_lock); + spin_unlock_irqrestore(&dd->irq_src_lock, flags); } /** diff --git a/drivers/infiniband/hw/hns/hns_roce_cq.c b/drivers/infiniband/hw/hns/hns_roce_cq.c index d763f09759..5ecd4075de 100644 --- a/drivers/infiniband/hw/hns/hns_roce_cq.c +++ b/drivers/infiniband/hw/hns/hns_roce_cq.c @@ -125,7 +125,7 @@ static int alloc_cqc(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq) goto err_out; } - ret = xa_err(xa_store(&cq_table->array, hr_cq->cqn, hr_cq, GFP_KERNEL)); + ret = xa_err(xa_store_irq(&cq_table->array, hr_cq->cqn, hr_cq, GFP_KERNEL)); if (ret) { ibdev_err(ibdev, "failed to xa_store CQ, ret = %d.\n", ret); goto err_put; @@ -160,8 +160,7 @@ static int alloc_cqc(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq) return 0; err_xa: - xa_erase(&cq_table->array, hr_cq->cqn); - + xa_erase_irq(&cq_table->array, hr_cq->cqn); err_put: hns_roce_table_put(hr_dev, &cq_table->table, hr_cq->cqn); @@ -182,7 +181,7 @@ static void free_cqc(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq) dev_err(dev, "DESTROY_CQ failed (%d) for CQN %06lx\n", ret, hr_cq->cqn); - xa_erase(&cq_table->array, hr_cq->cqn); + xa_erase_irq(&cq_table->array, hr_cq->cqn); /* Waiting interrupt process procedure carried out */ synchronize_irq(hr_dev->eq_table.eq[hr_cq->vector].irq); @@ -478,13 +477,6 @@ void hns_roce_cq_event(struct hns_roce_dev *hr_dev, u32 cqn, int event_type) struct ib_event event; struct ib_cq *ibcq; - hr_cq = xa_load(&hr_dev->cq_table.array, - cqn & (hr_dev->caps.num_cqs - 1)); - if (!hr_cq) { - dev_warn(dev, "Async event for bogus CQ 0x%06x\n", cqn); - return; - } - if (event_type != HNS_ROCE_EVENT_TYPE_CQ_ID_INVALID && event_type != HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR && event_type != HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW) { @@ -493,7 +485,16 @@ void hns_roce_cq_event(struct hns_roce_dev *hr_dev, u32 cqn, int event_type) return; } - refcount_inc(&hr_cq->refcount); + xa_lock(&hr_dev->cq_table.array); + hr_cq = xa_load(&hr_dev->cq_table.array, + cqn & (hr_dev->caps.num_cqs - 1)); + if (hr_cq) + refcount_inc(&hr_cq->refcount); + xa_unlock(&hr_dev->cq_table.array); + if (!hr_cq) { + dev_warn(dev, "async event for bogus CQ 0x%06x\n", cqn); + return; + } ibcq = &hr_cq->ib_cq; if (ibcq->event_handler) { diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index e02107123c..f234fd8e4a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -100,6 +100,7 @@ #define MR_TYPE_DMA 0x03 #define HNS_ROCE_FRMR_MAX_PA 512 +#define HNS_ROCE_FRMR_ALIGN_SIZE 128 #define PKEY_ID 0xffff #define GUID_LEN 8 @@ -220,6 +221,9 @@ enum { #define HNS_HW_PAGE_SHIFT 12 #define HNS_HW_PAGE_SIZE (1 << HNS_HW_PAGE_SHIFT) +#define HNS_HW_MAX_PAGE_SHIFT 27 +#define HNS_HW_MAX_PAGE_SIZE (1 << HNS_HW_MAX_PAGE_SHIFT) + struct hns_roce_uar { u64 pfn; unsigned long index; diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c index 267474070f..ce2ace2c85 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hem.c +++ b/drivers/infiniband/hw/hns/hns_roce_hem.c @@ -1089,9 +1089,9 @@ static bool hem_list_is_bottom_bt(int hopnum, int bt_level) * @bt_level: base address table level * @unit: ba entries per bt page */ -static u32 hem_list_calc_ba_range(int hopnum, int bt_level, int unit) +static u64 hem_list_calc_ba_range(int hopnum, int bt_level, int unit) { - u32 step; + u64 step; int max; int i; @@ -1127,7 +1127,7 @@ int hns_roce_hem_list_calc_root_ba(const struct hns_roce_buf_region *regions, { struct hns_roce_buf_region *r; int total = 0; - int step; + u64 step; int i; for (i = 0; i < region_cnt; i++) { @@ -1158,7 +1158,7 @@ static int hem_list_alloc_mid_bt(struct hns_roce_dev *hr_dev, int ret = 0; int max_ofs; int level; - u32 step; + u64 step; int end; if (hopnum <= 1) @@ -1182,10 +1182,12 @@ static int hem_list_alloc_mid_bt(struct hns_roce_dev *hr_dev, /* config L1 bt to last bt and link them to corresponding parent */ for (level = 1; level < hopnum; level++) { - cur = hem_list_search_item(&mid_bt[level], offset); - if (cur) { - hem_ptrs[level] = cur; - continue; + if (!hem_list_is_bottom_bt(hopnum, level)) { + cur = hem_list_search_item(&mid_bt[level], offset); + if (cur) { + hem_ptrs[level] = cur; + continue; + } } step = hem_list_calc_ba_range(hopnum, level, unit); @@ -1195,7 +1197,7 @@ static int hem_list_alloc_mid_bt(struct hns_roce_dev *hr_dev, } start_aligned = (distance / step) * step + r->offset; - end = min_t(int, start_aligned + step - 1, max_ofs); + end = min_t(u64, start_aligned + step - 1, max_ofs); cur = hem_list_alloc_item(hr_dev, start_aligned, end, unit, true, level); if (!cur) { @@ -1284,7 +1286,7 @@ static int setup_middle_bt(struct hns_roce_dev *hr_dev, void *cpu_base, struct hns_roce_hem_item *hem, *temp_hem; int total = 0; int offset; - int step; + u64 step; step = hem_list_calc_ba_range(r->hopnum, 1, unit); if (step < 1) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 4accc9efa6..64d458fd39 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -2598,14 +2598,16 @@ static int set_llm_cfg_to_hw(struct hns_roce_dev *hr_dev, static struct hns_roce_link_table * alloc_link_table_buf(struct hns_roce_dev *hr_dev) { + u16 total_sl = hr_dev->caps.sl_num * hr_dev->func_num; struct hns_roce_v2_priv *priv = hr_dev->priv; struct hns_roce_link_table *link_tbl; u32 pg_shift, size, min_size; link_tbl = &priv->ext_llm; pg_shift = hr_dev->caps.llm_buf_pg_sz + PAGE_SHIFT; - size = hr_dev->caps.num_qps * HNS_ROCE_V2_EXT_LLM_ENTRY_SZ; - min_size = HNS_ROCE_EXT_LLM_MIN_PAGES(hr_dev->caps.sl_num) << pg_shift; + size = hr_dev->caps.num_qps * hr_dev->func_num * + HNS_ROCE_V2_EXT_LLM_ENTRY_SZ; + min_size = HNS_ROCE_EXT_LLM_MIN_PAGES(total_sl) << pg_shift; /* Alloc data table */ size = max(size, min_size); @@ -4226,12 +4228,14 @@ static int config_qp_rq_buf(struct hns_roce_dev *hr_dev, upper_32_bits(to_hr_hw_page_addr(mtts[0]))); hr_reg_clear(qpc_mask, QPC_RQ_CUR_BLK_ADDR_H); - context->rq_nxt_blk_addr = cpu_to_le32(to_hr_hw_page_addr(mtts[1])); - qpc_mask->rq_nxt_blk_addr = 0; - - hr_reg_write(context, QPC_RQ_NXT_BLK_ADDR_H, - upper_32_bits(to_hr_hw_page_addr(mtts[1]))); - hr_reg_clear(qpc_mask, QPC_RQ_NXT_BLK_ADDR_H); + if (hr_dev->pci_dev->revision == PCI_REVISION_ID_HIP08) { + context->rq_nxt_blk_addr = + cpu_to_le32(to_hr_hw_page_addr(mtts[1])); + qpc_mask->rq_nxt_blk_addr = 0; + hr_reg_write(context, QPC_RQ_NXT_BLK_ADDR_H, + upper_32_bits(to_hr_hw_page_addr(mtts[1]))); + hr_reg_clear(qpc_mask, QPC_RQ_NXT_BLK_ADDR_H); + } return 0; } @@ -5670,12 +5674,12 @@ static struct hns_roce_aeqe *next_aeqe_sw_v2(struct hns_roce_eq *eq) !!(eq->cons_index & eq->entries)) ? aeqe : NULL; } -static int hns_roce_v2_aeq_int(struct hns_roce_dev *hr_dev, - struct hns_roce_eq *eq) +static irqreturn_t hns_roce_v2_aeq_int(struct hns_roce_dev *hr_dev, + struct hns_roce_eq *eq) { struct device *dev = hr_dev->dev; struct hns_roce_aeqe *aeqe = next_aeqe_sw_v2(eq); - int aeqe_found = 0; + irqreturn_t aeqe_found = IRQ_NONE; int event_type; u32 queue_num; int sub_type; @@ -5735,7 +5739,7 @@ static int hns_roce_v2_aeq_int(struct hns_roce_dev *hr_dev, eq->event_type = event_type; eq->sub_type = sub_type; ++eq->cons_index; - aeqe_found = 1; + aeqe_found = IRQ_HANDLED; hns_roce_v2_init_irq_work(hr_dev, eq, queue_num); @@ -5743,7 +5747,8 @@ static int hns_roce_v2_aeq_int(struct hns_roce_dev *hr_dev, } update_eq_db(eq); - return aeqe_found; + + return IRQ_RETVAL(aeqe_found); } static struct hns_roce_ceqe *next_ceqe_sw_v2(struct hns_roce_eq *eq) @@ -5758,11 +5763,11 @@ static struct hns_roce_ceqe *next_ceqe_sw_v2(struct hns_roce_eq *eq) (!!(eq->cons_index & eq->entries)) ? ceqe : NULL; } -static int hns_roce_v2_ceq_int(struct hns_roce_dev *hr_dev, - struct hns_roce_eq *eq) +static irqreturn_t hns_roce_v2_ceq_int(struct hns_roce_dev *hr_dev, + struct hns_roce_eq *eq) { struct hns_roce_ceqe *ceqe = next_ceqe_sw_v2(eq); - int ceqe_found = 0; + irqreturn_t ceqe_found = IRQ_NONE; u32 cqn; while (ceqe) { @@ -5777,21 +5782,21 @@ static int hns_roce_v2_ceq_int(struct hns_roce_dev *hr_dev, hns_roce_cq_completion(hr_dev, cqn); ++eq->cons_index; - ceqe_found = 1; + ceqe_found = IRQ_HANDLED; ceqe = next_ceqe_sw_v2(eq); } update_eq_db(eq); - return ceqe_found; + return IRQ_RETVAL(ceqe_found); } static irqreturn_t hns_roce_v2_msix_interrupt_eq(int irq, void *eq_ptr) { struct hns_roce_eq *eq = eq_ptr; struct hns_roce_dev *hr_dev = eq->hr_dev; - int int_work; + irqreturn_t int_work; if (eq->type_flag == HNS_ROCE_CEQ) /* Completion event interrupt */ @@ -5803,52 +5808,56 @@ static irqreturn_t hns_roce_v2_msix_interrupt_eq(int irq, void *eq_ptr) return IRQ_RETVAL(int_work); } -static irqreturn_t hns_roce_v2_msix_interrupt_abn(int irq, void *dev_id) +static irqreturn_t abnormal_interrupt_basic(struct hns_roce_dev *hr_dev, + u32 int_st) { - struct hns_roce_dev *hr_dev = dev_id; - struct device *dev = hr_dev->dev; - int int_work = 0; - u32 int_st; + struct pci_dev *pdev = hr_dev->pci_dev; + struct hnae3_ae_dev *ae_dev = pci_get_drvdata(pdev); + const struct hnae3_ae_ops *ops = ae_dev->ops; + enum hnae3_reset_type reset_type; + irqreturn_t int_work = IRQ_NONE; u32 int_en; - /* Abnormal interrupt */ - int_st = roce_read(hr_dev, ROCEE_VF_ABN_INT_ST_REG); int_en = roce_read(hr_dev, ROCEE_VF_ABN_INT_EN_REG); if (int_st & BIT(HNS_ROCE_V2_VF_INT_ST_AEQ_OVERFLOW_S)) { - struct pci_dev *pdev = hr_dev->pci_dev; - struct hnae3_ae_dev *ae_dev = pci_get_drvdata(pdev); - const struct hnae3_ae_ops *ops = ae_dev->ops; - - dev_err(dev, "AEQ overflow!\n"); + dev_err(hr_dev->dev, "AEQ overflow!\n"); roce_write(hr_dev, ROCEE_VF_ABN_INT_ST_REG, 1 << HNS_ROCE_V2_VF_INT_ST_AEQ_OVERFLOW_S); + reset_type = hr_dev->is_vf ? + HNAE3_VF_FUNC_RESET : HNAE3_FUNC_RESET; + /* Set reset level for reset_event() */ if (ops->set_default_reset_request) - ops->set_default_reset_request(ae_dev, - HNAE3_FUNC_RESET); + ops->set_default_reset_request(ae_dev, reset_type); if (ops->reset_event) ops->reset_event(pdev, NULL); int_en |= 1 << HNS_ROCE_V2_VF_ABN_INT_EN_S; roce_write(hr_dev, ROCEE_VF_ABN_INT_EN_REG, int_en); - int_work = 1; - } else if (int_st & BIT(HNS_ROCE_V2_VF_INT_ST_RAS_INT_S)) { - dev_err(dev, "RAS interrupt!\n"); + int_work = IRQ_HANDLED; + } else { + dev_err(hr_dev->dev, "there is no basic abn irq found.\n"); + } - int_st |= 1 << HNS_ROCE_V2_VF_INT_ST_RAS_INT_S; - roce_write(hr_dev, ROCEE_VF_ABN_INT_ST_REG, int_st); + return IRQ_RETVAL(int_work); +} - int_en |= 1 << HNS_ROCE_V2_VF_ABN_INT_EN_S; - roce_write(hr_dev, ROCEE_VF_ABN_INT_EN_REG, int_en); +static irqreturn_t hns_roce_v2_msix_interrupt_abn(int irq, void *dev_id) +{ + struct hns_roce_dev *hr_dev = dev_id; + irqreturn_t int_work = IRQ_NONE; + u32 int_st; - int_work = 1; - } else { - dev_err(dev, "There is no abnormal irq found!\n"); - } + int_st = roce_read(hr_dev, ROCEE_VF_ABN_INT_ST_REG); + + if (int_st) + int_work = abnormal_interrupt_basic(hr_dev, int_st); + else + dev_err(hr_dev->dev, "there is no abnormal irq found.\n"); return IRQ_RETVAL(int_work); } diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h index 67f5b6fcfa..0c120a4b48 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h @@ -1445,7 +1445,6 @@ struct hns_roce_dip { #define HNS_ROCE_V2_ASYNC_EQE_NUM 0x1000 #define HNS_ROCE_V2_VF_INT_ST_AEQ_OVERFLOW_S 0 -#define HNS_ROCE_V2_VF_INT_ST_RAS_INT_S 1 #define HNS_ROCE_EQ_DB_CMD_AEQ 0x0 #define HNS_ROCE_EQ_DB_CMD_AEQ_ARMED 0x1 diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c index 7106e51d5f..938db3f5aa 100644 --- a/drivers/infiniband/hw/hns/hns_roce_mr.c +++ b/drivers/infiniband/hw/hns/hns_roce_mr.c @@ -446,6 +446,11 @@ int hns_roce_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, struct hns_roce_mtr *mtr = &mr->pbl_mtr; int ret, sg_num = 0; + if (!IS_ALIGNED(*sg_offset, HNS_ROCE_FRMR_ALIGN_SIZE) || + ibmr->page_size < HNS_HW_PAGE_SIZE || + ibmr->page_size > HNS_HW_MAX_PAGE_SIZE) + return sg_num; + mr->npages = 0; mr->page_list = kvcalloc(mr->pbl_mtr.hem_cfg.buf_pg_count, sizeof(dma_addr_t), GFP_KERNEL); diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c index d085998b19..ff019e32c4 100644 --- a/drivers/infiniband/hw/hns/hns_roce_qp.c +++ b/drivers/infiniband/hw/hns/hns_roce_qp.c @@ -1362,19 +1362,19 @@ void hns_roce_lock_cqs(struct hns_roce_cq *send_cq, struct hns_roce_cq *recv_cq) __acquire(&send_cq->lock); __acquire(&recv_cq->lock); } else if (unlikely(send_cq != NULL && recv_cq == NULL)) { - spin_lock_irq(&send_cq->lock); + spin_lock(&send_cq->lock); __acquire(&recv_cq->lock); } else if (unlikely(send_cq == NULL && recv_cq != NULL)) { - spin_lock_irq(&recv_cq->lock); + spin_lock(&recv_cq->lock); __acquire(&send_cq->lock); } else if (send_cq == recv_cq) { - spin_lock_irq(&send_cq->lock); + spin_lock(&send_cq->lock); __acquire(&recv_cq->lock); } else if (send_cq->cqn < recv_cq->cqn) { - spin_lock_irq(&send_cq->lock); + spin_lock(&send_cq->lock); spin_lock_nested(&recv_cq->lock, SINGLE_DEPTH_NESTING); } else { - spin_lock_irq(&recv_cq->lock); + spin_lock(&recv_cq->lock); spin_lock_nested(&send_cq->lock, SINGLE_DEPTH_NESTING); } } @@ -1394,13 +1394,13 @@ void hns_roce_unlock_cqs(struct hns_roce_cq *send_cq, spin_unlock(&recv_cq->lock); } else if (send_cq == recv_cq) { __release(&recv_cq->lock); - spin_unlock_irq(&send_cq->lock); + spin_unlock(&send_cq->lock); } else if (send_cq->cqn < recv_cq->cqn) { spin_unlock(&recv_cq->lock); - spin_unlock_irq(&send_cq->lock); + spin_unlock(&send_cq->lock); } else { spin_unlock(&send_cq->lock); - spin_unlock_irq(&recv_cq->lock); + spin_unlock(&recv_cq->lock); } } diff --git a/drivers/infiniband/hw/hns/hns_roce_srq.c b/drivers/infiniband/hw/hns/hns_roce_srq.c index 35001fb99b..873069d6eb 100644 --- a/drivers/infiniband/hw/hns/hns_roce_srq.c +++ b/drivers/infiniband/hw/hns/hns_roce_srq.c @@ -295,7 +295,7 @@ static int set_srq_basic_param(struct hns_roce_srq *srq, max_sge = proc_srq_sge(hr_dev, srq, !!udata); if (attr->max_wr > hr_dev->caps.max_srq_wrs || - attr->max_sge > max_sge) { + attr->max_sge > max_sge || !attr->max_sge) { ibdev_err(&hr_dev->ib_dev, "invalid SRQ attr, depth = %u, sge = %u.\n", attr->max_wr, attr->max_sge); diff --git a/drivers/infiniband/hw/irdma/cm.c b/drivers/infiniband/hw/irdma/cm.c index 64d4bb0e9a..d2c6a1bcf1 100644 --- a/drivers/infiniband/hw/irdma/cm.c +++ b/drivers/infiniband/hw/irdma/cm.c @@ -3582,7 +3582,7 @@ void irdma_free_lsmm_rsrc(struct irdma_qp *iwqp) /** * irdma_accept - registered call for connection to be accepted * @cm_id: cm information for passive connection - * @conn_param: accpet parameters + * @conn_param: accept parameters */ int irdma_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) { diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index d43833e141..b2bf147883 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -1258,7 +1258,7 @@ int irdma_modify_qp_roce(struct ib_qp *ibqp, struct ib_qp_attr *attr, if (attr->max_dest_rd_atomic > dev->hw_attrs.max_hw_ird) { ibdev_err(&iwdev->ibdev, "rd_atomic = %d, above max_hw_ird=%d\n", - attr->max_rd_atomic, + attr->max_dest_rd_atomic, dev->hw_attrs.max_hw_ird); return -EINVAL; } diff --git a/drivers/infiniband/hw/mlx4/alias_GUID.c b/drivers/infiniband/hw/mlx4/alias_GUID.c index 571d9c5420..6b8ad58590 100644 --- a/drivers/infiniband/hw/mlx4/alias_GUID.c +++ b/drivers/infiniband/hw/mlx4/alias_GUID.c @@ -832,7 +832,7 @@ void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev) int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev) { - char alias_wq_name[15]; + char alias_wq_name[22]; int ret = 0; int i, j; union ib_gid gid; diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index d13ecbdd43..3d29d5baf5 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -2158,7 +2158,7 @@ static int mlx4_ib_alloc_demux_ctx(struct mlx4_ib_dev *dev, struct mlx4_ib_demux_ctx *ctx, int port) { - char name[12]; + char name[21]; int ret = 0; int i; diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index bf20a388ea..08c59c5a1e 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -109,6 +109,19 @@ unsigned long __mlx5_umem_find_best_quantized_pgoff( __mlx5_bit_sz(typ, page_offset_fld), 0, scale, \ page_offset_quantized) +static inline unsigned long +mlx5_umem_dmabuf_find_best_pgsz(struct ib_umem_dmabuf *umem_dmabuf) +{ + /* + * mkeys used for dmabuf are fixed at PAGE_SIZE because we must be able + * to hold any sgl after a move operation. Ideally the mkc page size + * could be changed at runtime to be optimal, but right now the driver + * cannot do that. + */ + return ib_umem_find_best_pgsz(&umem_dmabuf->umem, PAGE_SIZE, + umem_dmabuf->umem.iova); +} + enum { MLX5_IB_MMAP_OFFSET_START = 9, MLX5_IB_MMAP_OFFSET_END = 255, diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c index fcf6447b4a..66e53e895d 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -704,10 +704,8 @@ static int pagefault_dmabuf_mr(struct mlx5_ib_mr *mr, size_t bcnt, return err; } - page_size = mlx5_umem_find_best_pgsz(&umem_dmabuf->umem, mkc, - log_page_size, 0, - umem_dmabuf->umem.iova); - if (unlikely(page_size < PAGE_SIZE)) { + page_size = mlx5_umem_dmabuf_find_best_pgsz(umem_dmabuf); + if (!page_size) { ib_umem_dmabuf_unmap_pages(umem_dmabuf); err = -EINVAL; } else { diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index d4b5ce37c2..d2b4db783b 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -4182,14 +4182,14 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, MLX5_SET(qpc, qpc, retry_count, attr->retry_cnt); if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && attr->max_rd_atomic) - MLX5_SET(qpc, qpc, log_sra_max, ilog2(attr->max_rd_atomic)); + MLX5_SET(qpc, qpc, log_sra_max, fls(attr->max_rd_atomic - 1)); if (attr_mask & IB_QP_SQ_PSN) MLX5_SET(qpc, qpc, next_send_psn, attr->sq_psn); if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && attr->max_dest_rd_atomic) MLX5_SET(qpc, qpc, log_rra_max, - ilog2(attr->max_dest_rd_atomic)); + fls(attr->max_dest_rd_atomic - 1)); if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) { err = set_qpc_atomic_flags(qp, attr, attr_mask, qpc); diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c index 191c4ee7db..dfed4c4321 100644 --- a/drivers/infiniband/hw/mlx5/srq.c +++ b/drivers/infiniband/hw/mlx5/srq.c @@ -200,17 +200,20 @@ int mlx5_ib_create_srq(struct ib_srq *ib_srq, int err; struct mlx5_srq_attr in = {}; __u32 max_srq_wqes = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz); + __u32 max_sge_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq) / + sizeof(struct mlx5_wqe_data_seg); if (init_attr->srq_type != IB_SRQT_BASIC && init_attr->srq_type != IB_SRQT_XRC && init_attr->srq_type != IB_SRQT_TM) return -EOPNOTSUPP; - /* Sanity check SRQ size before proceeding */ - if (init_attr->attr.max_wr >= max_srq_wqes) { - mlx5_ib_dbg(dev, "max_wr %d, cap %d\n", - init_attr->attr.max_wr, - max_srq_wqes); + /* Sanity check SRQ and sge size before proceeding */ + if (init_attr->attr.max_wr >= max_srq_wqes || + init_attr->attr.max_sge > max_sge_sz) { + mlx5_ib_dbg(dev, "max_wr %d,wr_cap %d,max_sge %d, sge_cap:%d\n", + init_attr->attr.max_wr, max_srq_wqes, + init_attr->attr.max_sge, max_sge_sz); return -EINVAL; } diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index 48a3864ada..2504943069 100644 --- a/drivers/infiniband/sw/rxe/rxe_comp.c +++ b/drivers/infiniband/sw/rxe/rxe_comp.c @@ -124,12 +124,12 @@ void rxe_comp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb) { int must_sched; - skb_queue_tail(&qp->resp_pkts, skb); - - must_sched = skb_queue_len(&qp->resp_pkts) > 1; + must_sched = skb_queue_len(&qp->resp_pkts) > 0; if (must_sched != 0) rxe_counter_inc(SKB_TO_PKT(skb)->rxe, RXE_CNT_COMPLETER_SCHED); + skb_queue_tail(&qp->resp_pkts, skb); + rxe_run_task(&qp->comp.task, must_sched); } diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c index 8c0e7ecd41..0938084192 100644 --- a/drivers/infiniband/sw/rxe/rxe_req.c +++ b/drivers/infiniband/sw/rxe/rxe_req.c @@ -374,7 +374,7 @@ static struct sk_buff *init_req_packet(struct rxe_qp *qp, int solicited; u16 pkey; u32 qp_num; - int ack_req; + int ack_req = 0; /* length from start of bth to end of icrc */ paylen = rxe_opcode[opcode].length + payload + pad + RXE_ICRC_SIZE; @@ -407,8 +407,9 @@ static struct sk_buff *init_req_packet(struct rxe_qp *qp, qp_num = (pkt->mask & RXE_DETH_MASK) ? ibwr->wr.ud.remote_qpn : qp->attr.dest_qp_num; - ack_req = ((pkt->mask & RXE_END_MASK) || - (qp->req.noack_pkts++ > RXE_MAX_PKT_PER_ACK)); + if (qp_type(qp) != IB_QPT_UD && qp_type(qp) != IB_QPT_UC) + ack_req = ((pkt->mask & RXE_END_MASK) || + (qp->req.noack_pkts++ > RXE_MAX_PKT_PER_ACK)); if (ack_req) qp->req.noack_pkts = 0; diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c index 3f4ef6e4a8..e8f5a1f104 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c @@ -625,6 +625,7 @@ static void rtrs_clt_rdma_done(struct ib_cq *cq, struct ib_wc *wc) */ if (WARN_ON(wc->wr_cqe->done != rtrs_clt_rdma_done)) return; + clt_path->s.hb_missed_cnt = 0; rtrs_from_imm(be32_to_cpu(wc->ex.imm_data), &imm_type, &imm_payload); if (imm_type == RTRS_IO_RSP_IMM || @@ -642,7 +643,6 @@ static void rtrs_clt_rdma_done(struct ib_cq *cq, struct ib_wc *wc) return rtrs_clt_recv_done(con, wc); } else if (imm_type == RTRS_HB_ACK_IMM) { WARN_ON(con->c.cid); - clt_path->s.hb_missed_cnt = 0; clt_path->s.hb_cur_latency = ktime_sub(ktime_get(), clt_path->s.hb_last_sent); if (clt_path->flags & RTRS_MSG_NEW_RKEY_F) @@ -669,6 +669,7 @@ static void rtrs_clt_rdma_done(struct ib_cq *cq, struct ib_wc *wc) /* * Key invalidations from server side */ + clt_path->s.hb_missed_cnt = 0; WARN_ON(!(wc->wc_flags & IB_WC_WITH_INVALIDATE || wc->wc_flags & IB_WC_WITH_IMM)); WARN_ON(wc->wr_cqe->done != rtrs_clt_rdma_done); @@ -2337,6 +2338,12 @@ static int init_conns(struct rtrs_clt_path *clt_path) if (err) goto destroy; } + + /* + * Set the cid to con_num - 1, since if we fail later, we want to stay in bounds. + */ + cid = clt_path->s.con_num - 1; + err = alloc_path_reqs(clt_path); if (err) goto destroy; diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c index 27bf2b2da9..4fa916a8f3 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c @@ -943,12 +943,11 @@ static void rtrs_srv_info_req_done(struct ib_cq *cq, struct ib_wc *wc) if (err) goto close; -out: rtrs_iu_free(iu, srv_path->s.dev->ib_dev, 1); return; close: + rtrs_iu_free(iu, srv_path->s.dev->ib_dev, 1); close_path(srv_path); - goto out; } static int post_recv_info_req(struct rtrs_srv_con *con) @@ -999,6 +998,16 @@ static int post_recv_path(struct rtrs_srv_path *srv_path) q_size = SERVICE_CON_QUEUE_DEPTH; else q_size = srv->queue_depth; + if (srv_path->state != RTRS_SRV_CONNECTING) { + rtrs_err(s, "Path state invalid. state %s\n", + rtrs_srv_state_str(srv_path->state)); + return -EIO; + } + + if (!srv_path->s.con[cid]) { + rtrs_err(s, "Conn not set for %d\n", cid); + return -EIO; + } err = post_recv_io(to_srv_con(srv_path->s.con[cid]), q_size); if (err) { @@ -1241,6 +1250,7 @@ static void rtrs_srv_rdma_done(struct ib_cq *cq, struct ib_wc *wc) */ if (WARN_ON(wc->wr_cqe != &io_comp_cqe)) return; + srv_path->s.hb_missed_cnt = 0; err = rtrs_post_recv_empty(&con->c, &io_comp_cqe); if (err) { rtrs_err(s, "rtrs_post_recv(), err: %d\n", err); diff --git a/drivers/infiniband/ulp/rtrs/rtrs.c b/drivers/infiniband/ulp/rtrs/rtrs.c index 4745f33d71..7f0f3ce8f1 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs.c +++ b/drivers/infiniband/ulp/rtrs/rtrs.c @@ -255,7 +255,7 @@ static int create_cq(struct rtrs_con *con, int cq_vector, int nr_cqe, static int create_qp(struct rtrs_con *con, struct ib_pd *pd, u32 max_send_wr, u32 max_recv_wr, u32 max_sge) { - struct ib_qp_init_attr init_attr = {NULL}; + struct ib_qp_init_attr init_attr = {}; struct rdma_cm_id *cm_id = con->cm_id; int ret; diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c index 1cf5deda06..a765e185c7 100644 --- a/drivers/input/ff-core.c +++ b/drivers/input/ff-core.c @@ -12,8 +12,10 @@ /* #define DEBUG */ #include +#include #include #include +#include #include #include @@ -318,9 +320,8 @@ int input_ff_create(struct input_dev *dev, unsigned int max_effects) return -EINVAL; } - ff_dev_size = sizeof(struct ff_device) + - max_effects * sizeof(struct file *); - if (ff_dev_size < max_effects) /* overflow */ + ff_dev_size = struct_size(ff, effect_owners, max_effects); + if (ff_dev_size == SIZE_MAX) /* overflow */ return -EINVAL; ff = kzalloc(ff_dev_size, GFP_KERNEL); diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c index 44fe6f2f06..d0f8c31d7c 100644 --- a/drivers/input/input-mt.c +++ b/drivers/input/input-mt.c @@ -45,6 +45,9 @@ int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots, return 0; if (mt) return mt->num_slots != num_slots ? -EINVAL : 0; + /* Arbitrary limit for avoiding too large memory allocation. */ + if (num_slots > 1024) + return -EINVAL; mt = kzalloc(struct_size(mt, slots, num_slots), GFP_KERNEL); if (!mt) diff --git a/drivers/input/input.c b/drivers/input/input.c index 5ca3f11d2d..171f71bd4c 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -1360,19 +1360,19 @@ static int input_print_modalias_bits(char *buf, int size, char name, unsigned long *bm, unsigned int min_bit, unsigned int max_bit) { - int len = 0, i; + int bit = min_bit; + int len = 0; len += snprintf(buf, max(size, 0), "%c", name); - for (i = min_bit; i < max_bit; i++) - if (bm[BIT_WORD(i)] & BIT_MASK(i)) - len += snprintf(buf + len, max(size - len, 0), "%X,", i); + for_each_set_bit_from(bit, bm, max_bit) + len += snprintf(buf + len, max(size - len, 0), "%X,", bit); return len; } -static int input_print_modalias(char *buf, int size, struct input_dev *id, - int add_cr) +static int input_print_modalias_parts(char *buf, int size, int full_len, + struct input_dev *id) { - int len; + int len, klen, remainder, space; len = snprintf(buf, max(size, 0), "input:b%04Xv%04Xp%04Xe%04X-", @@ -1381,8 +1381,49 @@ static int input_print_modalias(char *buf, int size, struct input_dev *id, len += input_print_modalias_bits(buf + len, size - len, 'e', id->evbit, 0, EV_MAX); - len += input_print_modalias_bits(buf + len, size - len, + + /* + * Calculate the remaining space in the buffer making sure we + * have place for the terminating 0. + */ + space = max(size - (len + 1), 0); + + klen = input_print_modalias_bits(buf + len, size - len, 'k', id->keybit, KEY_MIN_INTERESTING, KEY_MAX); + len += klen; + + /* + * If we have more data than we can fit in the buffer, check + * if we can trim key data to fit in the rest. We will indicate + * that key data is incomplete by adding "+" sign at the end, like + * this: * "k1,2,3,45,+,". + * + * Note that we shortest key info (if present) is "k+," so we + * can only try to trim if key data is longer than that. + */ + if (full_len && size < full_len + 1 && klen > 3) { + remainder = full_len - len; + /* + * We can only trim if we have space for the remainder + * and also for at least "k+," which is 3 more characters. + */ + if (remainder <= space - 3) { + int i; + /* + * We are guaranteed to have 'k' in the buffer, so + * we need at least 3 additional bytes for storing + * "+," in addition to the remainder. + */ + for (i = size - 1 - remainder - 3; i >= 0; i--) { + if (buf[i] == 'k' || buf[i] == ',') { + strcpy(buf + i + 1, "+,"); + len = i + 3; /* Not counting '\0' */ + break; + } + } + } + } + len += input_print_modalias_bits(buf + len, size - len, 'r', id->relbit, 0, REL_MAX); len += input_print_modalias_bits(buf + len, size - len, @@ -1398,12 +1439,25 @@ static int input_print_modalias(char *buf, int size, struct input_dev *id, len += input_print_modalias_bits(buf + len, size - len, 'w', id->swbit, 0, SW_MAX); - if (add_cr) - len += snprintf(buf + len, max(size - len, 0), "\n"); - return len; } +static int input_print_modalias(char *buf, int size, struct input_dev *id) +{ + int full_len; + + /* + * Printing is done in 2 passes: first one figures out total length + * needed for the modalias string, second one will try to trim key + * data in case when buffer is too small for the entire modalias. + * If the buffer is too small regardless, it will fill as much as it + * can (without trimming key data) into the buffer and leave it to + * the caller to figure out what to do with the result. + */ + full_len = input_print_modalias_parts(NULL, 0, 0, id); + return input_print_modalias_parts(buf, size, full_len, id); +} + static ssize_t input_dev_show_modalias(struct device *dev, struct device_attribute *attr, char *buf) @@ -1411,7 +1465,9 @@ static ssize_t input_dev_show_modalias(struct device *dev, struct input_dev *id = to_input_dev(dev); ssize_t len; - len = input_print_modalias(buf, PAGE_SIZE, id, 1); + len = input_print_modalias(buf, PAGE_SIZE, id); + if (len < PAGE_SIZE - 2) + len += snprintf(buf + len, PAGE_SIZE - len, "\n"); return min_t(int, len, PAGE_SIZE); } @@ -1623,6 +1679,23 @@ static int input_add_uevent_bm_var(struct kobj_uevent_env *env, return 0; } +/* + * This is a pretty gross hack. When building uevent data the driver core + * may try adding more environment variables to kobj_uevent_env without + * telling us, so we have no idea how much of the buffer we can use to + * avoid overflows/-ENOMEM elsewhere. To work around this let's artificially + * reduce amount of memory we will use for the modalias environment variable. + * + * The potential additions are: + * + * SEQNUM=18446744073709551615 - (%llu - 28 bytes) + * HOME=/ (6 bytes) + * PATH=/sbin:/bin:/usr/sbin:/usr/bin (34 bytes) + * + * 68 bytes total. Allow extra buffer - 96 bytes + */ +#define UEVENT_ENV_EXTRA_LEN 96 + static int input_add_uevent_modalias_var(struct kobj_uevent_env *env, struct input_dev *dev) { @@ -1632,9 +1705,11 @@ static int input_add_uevent_modalias_var(struct kobj_uevent_env *env, return -ENOMEM; len = input_print_modalias(&env->buf[env->buflen - 1], - sizeof(env->buf) - env->buflen, - dev, 0); - if (len >= (sizeof(env->buf) - env->buflen)) + (int)sizeof(env->buf) - env->buflen - + UEVENT_ENV_EXTRA_LEN, + dev); + if (len >= ((int)sizeof(env->buf) - env->buflen - + UEVENT_ENV_EXTRA_LEN)) return -ENOMEM; env->buflen += len; diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c index bdd264459a..b907d253f0 100644 --- a/drivers/input/keyboard/adp5589-keys.c +++ b/drivers/input/keyboard/adp5589-keys.c @@ -391,10 +391,17 @@ static int adp5589_gpio_get_value(struct gpio_chip *chip, unsigned off) struct adp5589_kpad *kpad = gpiochip_get_data(chip); unsigned int bank = kpad->var->bank(kpad->gpiomap[off]); unsigned int bit = kpad->var->bit(kpad->gpiomap[off]); + int val; - return !!(adp5589_read(kpad->client, - kpad->var->reg(ADP5589_GPI_STATUS_A) + bank) & - bit); + mutex_lock(&kpad->gpio_lock); + if (kpad->dir[bank] & bit) + val = kpad->dat_out[bank]; + else + val = adp5589_read(kpad->client, + kpad->var->reg(ADP5589_GPI_STATUS_A) + bank); + mutex_unlock(&kpad->gpio_lock); + + return !!(val & bit); } static void adp5589_gpio_set_value(struct gpio_chip *chip, @@ -936,10 +943,9 @@ static int adp5589_keypad_add(struct adp5589_kpad *kpad, unsigned int revid) static void adp5589_clear_config(void *data) { - struct i2c_client *client = data; - struct adp5589_kpad *kpad = i2c_get_clientdata(client); + struct adp5589_kpad *kpad = data; - adp5589_write(client, kpad->var->reg(ADP5589_GENERAL_CFG), 0); + adp5589_write(kpad->client, kpad->var->reg(ADP5589_GENERAL_CFG), 0); } static int adp5589_probe(struct i2c_client *client, @@ -983,7 +989,7 @@ static int adp5589_probe(struct i2c_client *client, } error = devm_add_action_or_reset(&client->dev, adp5589_clear_config, - client); + kpad); if (error) return error; @@ -1010,8 +1016,6 @@ static int adp5589_probe(struct i2c_client *client, if (error) return error; - i2c_set_clientdata(client, kpad); - dev_info(&client->dev, "Rev.%d keypad, irq %d\n", revid, client->irq); return 0; } diff --git a/drivers/input/keyboard/qt1050.c b/drivers/input/keyboard/qt1050.c index 403060d05c..7193a4198e 100644 --- a/drivers/input/keyboard/qt1050.c +++ b/drivers/input/keyboard/qt1050.c @@ -226,7 +226,12 @@ static bool qt1050_identify(struct qt1050_priv *ts) int err; /* Read Chip ID */ - regmap_read(ts->regmap, QT1050_CHIP_ID, &val); + err = regmap_read(ts->regmap, QT1050_CHIP_ID, &val); + if (err) { + dev_err(&ts->client->dev, "Failed to read chip ID: %d\n", err); + return false; + } + if (val != QT1050_CHIP_ID_VER) { dev_err(&ts->client->dev, "ID %d not supported\n", val); return false; diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index f2593133e5..790db3ceb2 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -416,6 +416,20 @@ static int uinput_validate_absinfo(struct input_dev *dev, unsigned int code, return -EINVAL; } + /* + * Limit number of contacts to a reasonable value (100). This + * ensures that we need less than 2 pages for struct input_mt + * (we are not using in-kernel slot assignment so not going to + * allocate memory for the "red" table), and we should have no + * trouble getting this much memory. + */ + if (code == ABS_MT_SLOT && max > 99) { + printk(KERN_DEBUG + "%s: unreasonably large number of slots requested: %d\n", + UINPUT_NAME, max); + return -EINVAL; + } + return 0; } diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index e1758d5ffe..a5f067b93a 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -1378,6 +1378,8 @@ static int __maybe_unused elan_suspend(struct device *dev) } err: + if (ret) + enable_irq(client->irq); mutex_unlock(&data->sysfs_mutex); return ret; } diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 4e38229404..b4723ea395 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1476,16 +1476,47 @@ static void elantech_disconnect(struct psmouse *psmouse) psmouse->private = NULL; } +/* + * Some hw_version 4 models fail to properly activate absolute mode on + * resume without going through disable/enable cycle. + */ +static const struct dmi_system_id elantech_needs_reenable[] = { +#if defined(CONFIG_DMI) && defined(CONFIG_X86) + { + /* Lenovo N24 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "81AF"), + }, + }, +#endif + { } +}; + /* * Put the touchpad back into absolute mode when reconnecting */ static int elantech_reconnect(struct psmouse *psmouse) { + int err; + psmouse_reset(psmouse); if (elantech_detect(psmouse, 0)) return -1; + if (dmi_check_system(elantech_needs_reenable)) { + err = ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_DISABLE); + if (err) + psmouse_warn(psmouse, "failed to deactivate mouse on %s: %d\n", + psmouse->ps2dev.serio->phys, err); + + err = ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_ENABLE); + if (err) + psmouse_warn(psmouse, "failed to reactivate mouse on %s: %d\n", + psmouse->ps2dev.serio->phys, err); + } + if (elantech_set_absolute_mode(psmouse)) { psmouse_err(psmouse, "failed to put touchpad back into absolute mode.\n"); diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index c3a341c16d..f64f250794 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -187,6 +187,7 @@ static const char * const smbus_pnp_ids[] = { "LEN2054", /* E480 */ "LEN2055", /* E580 */ "LEN2068", /* T14 Gen 1 */ + "SYN3015", /* HP EliteBook 840 G2 */ "SYN3052", /* HP EliteBook 840 G4 */ "SYN3221", /* HP 15-ay000 */ "SYN323d", /* HP Spectre X360 13-w013dx */ diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c index aa32371f04..ef9ea295f9 100644 --- a/drivers/input/rmi4/rmi_driver.c +++ b/drivers/input/rmi4/rmi_driver.c @@ -978,12 +978,12 @@ static int rmi_driver_remove(struct device *dev) rmi_disable_irq(rmi_dev, false); - irq_domain_remove(data->irqdomain); - data->irqdomain = NULL; - rmi_f34_remove_sysfs(rmi_dev); rmi_free_function_list(rmi_dev); + irq_domain_remove(data->irqdomain); + data->irqdomain = NULL; + return 0; } diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h index d4792950bc..aab0a918d4 100644 --- a/drivers/input/serio/i8042-acpipnpio.h +++ b/drivers/input/serio/i8042-acpipnpio.h @@ -75,7 +75,7 @@ static inline void i8042_write_command(int val) #define SERIO_QUIRK_PROBE_DEFER BIT(5) #define SERIO_QUIRK_RESET_ALWAYS BIT(6) #define SERIO_QUIRK_RESET_NEVER BIT(7) -#define SERIO_QUIRK_DIECT BIT(8) +#define SERIO_QUIRK_DIRECT BIT(8) #define SERIO_QUIRK_DUMBKBD BIT(9) #define SERIO_QUIRK_NOLOOP BIT(10) #define SERIO_QUIRK_NOTIMEOUT BIT(11) @@ -617,6 +617,15 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = { }, .driver_data = (void *)(SERIO_QUIRK_NOMUX) }, + { + /* Fujitsu Lifebook E756 */ + /* https://bugzilla.suse.com/show_bug.cgi?id=1229056 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E756"), + }, + .driver_data = (void *)(SERIO_QUIRK_NOMUX) + }, { /* Fujitsu Lifebook E5411 */ .matches = { @@ -1101,6 +1110,43 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = { }, .driver_data = (void *)(SERIO_QUIRK_NOLOOP) }, + /* + * Some TongFang barebones have touchpad and/or keyboard issues after + * suspend fixable with nomux + reset + noloop + nopnp. Luckily, none of + * them have an external PS/2 port so this can safely be set for all of + * them. + * TongFang barebones come with board_vendor and/or system_vendor set to + * a different value for each individual reseller. The only somewhat + * universal way to identify them is by board_name. + */ + { + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "GM6XGxX"), + }, + .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS | + SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP) + }, + { + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "GMxXGxx"), + }, + .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS | + SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP) + }, + { + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "GMxXGxX"), + }, + .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS | + SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP) + }, + { + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "GMxHGxx"), + }, + .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS | + SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP) + }, /* * A lot of modern Clevo barebones have touchpad and/or keyboard issues * after suspend fixable with nomux + reset + noloop + nopnp. Luckily, @@ -1295,6 +1341,20 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = { .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP) }, + { + /* + * The Ayaneo Kun is a handheld device where some the buttons + * are handled by an AT keyboard. The keyboard is usually + * detected as raw, but sometimes, usually after a cold boot, + * it is detected as translated. Make sure that the keyboard + * is always in raw mode. + */ + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AYANEO"), + DMI_MATCH(DMI_BOARD_NAME, "KUN"), + }, + .driver_data = (void *)(SERIO_QUIRK_DIRECT) + }, { } }; @@ -1613,7 +1673,7 @@ static void __init i8042_check_quirks(void) if (quirks & SERIO_QUIRK_RESET_NEVER) i8042_reset = I8042_RESET_NEVER; } - if (quirks & SERIO_QUIRK_DIECT) + if (quirks & SERIO_QUIRK_DIRECT) i8042_direct = true; if (quirks & SERIO_QUIRK_DUMBKBD) i8042_dumbkbd = true; diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 1db61185f7..524e16647b 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -818,7 +818,7 @@ static void ads7846_read_state(struct ads7846 *ts) m = &ts->msg[msg_idx]; error = spi_sync(ts->spi, m); if (error) { - dev_err(&ts->spi->dev, "spi_sync --> %d\n", error); + dev_err_ratelimited(&ts->spi->dev, "spi_sync --> %d\n", error); packet->ignore = true; return; } diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index 1492f05133..2a58be7972 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -684,21 +685,6 @@ static int goodix_reset(struct goodix_ts_data *ts) } #ifdef ACPI_GPIO_SUPPORT -#include -#include - -static const struct x86_cpu_id baytrail_cpu_ids[] = { - { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT, X86_FEATURE_ANY, }, - {} -}; - -static inline bool is_byt(void) -{ - const struct x86_cpu_id *id = x86_match_cpu(baytrail_cpu_ids); - - return !!id; -} - static const struct acpi_gpio_params first_gpio = { 0, 0, false }; static const struct acpi_gpio_params second_gpio = { 1, 0, false }; @@ -782,7 +768,7 @@ static int goodix_add_acpi_gpio_mappings(struct goodix_ts_data *ts) dev_info(dev, "Using ACPI INTI and INTO methods for IRQ pin access\n"); ts->irq_pin_access_method = IRQ_PIN_ACCESS_ACPI_METHOD; gpio_mapping = acpi_goodix_reset_only_gpios; - } else if (is_byt() && ts->gpio_count == 2 && ts->gpio_int_idx == -1) { + } else if (soc_intel_is_byt() && ts->gpio_count == 2 && ts->gpio_int_idx == -1) { dev_info(dev, "No ACPI GpioInt resource, assuming that the GPIO order is reset, int\n"); ts->irq_pin_access_method = IRQ_PIN_ACCESS_ACPI_GPIO; gpio_mapping = acpi_goodix_int_last_gpios; diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c index f437eefec9..9452a12ddb 100644 --- a/drivers/input/touchscreen/ili210x.c +++ b/drivers/input/touchscreen/ili210x.c @@ -231,8 +231,8 @@ static int ili251x_read_touch_data(struct i2c_client *client, u8 *data) if (!error && data[0] == 2) { error = i2c_master_recv(client, data + ILI251X_DATA_SIZE1, ILI251X_DATA_SIZE2); - if (error >= 0 && error != ILI251X_DATA_SIZE2) - error = -EIO; + if (error >= 0) + error = error == ILI251X_DATA_SIZE2 ? 0 : -EIO; } return error; diff --git a/drivers/input/touchscreen/ilitek_ts_i2c.c b/drivers/input/touchscreen/ilitek_ts_i2c.c index c5d259c76a..41c928dc9d 100644 --- a/drivers/input/touchscreen/ilitek_ts_i2c.c +++ b/drivers/input/touchscreen/ilitek_ts_i2c.c @@ -37,6 +37,8 @@ #define ILITEK_TP_CMD_GET_MCU_VER 0x61 #define ILITEK_TP_CMD_GET_IC_MODE 0xC0 +#define ILITEK_TP_I2C_REPORT_ID 0x48 + #define REPORT_COUNT_ADDRESS 61 #define ILITEK_SUPPORT_MAX_POINT 40 @@ -160,15 +162,19 @@ static int ilitek_process_and_report_v6(struct ilitek_ts_data *ts) error = ilitek_i2c_write_and_read(ts, NULL, 0, 0, buf, 64); if (error) { dev_err(dev, "get touch info failed, err:%d\n", error); - goto err_sync_frame; + return error; + } + + if (buf[0] != ILITEK_TP_I2C_REPORT_ID) { + dev_err(dev, "get touch info failed. Wrong id: 0x%02X\n", buf[0]); + return -EINVAL; } report_max_point = buf[REPORT_COUNT_ADDRESS]; if (report_max_point > ts->max_tp) { dev_err(dev, "FW report max point:%d > panel info. max:%d\n", report_max_point, ts->max_tp); - error = -EINVAL; - goto err_sync_frame; + return -EINVAL; } count = DIV_ROUND_UP(report_max_point, packet_max_point); @@ -178,7 +184,7 @@ static int ilitek_process_and_report_v6(struct ilitek_ts_data *ts) if (error) { dev_err(dev, "get touch info. failed, cnt:%d, err:%d\n", count, error); - goto err_sync_frame; + return error; } } @@ -203,10 +209,10 @@ static int ilitek_process_and_report_v6(struct ilitek_ts_data *ts) ilitek_touch_down(ts, id, x, y); } -err_sync_frame: input_mt_sync_frame(input); input_sync(input); - return error; + + return 0; } /* APIs of cmds for ILITEK Touch IC */ diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c index 1ee760bac0..3be59b7239 100644 --- a/drivers/input/touchscreen/silead.c +++ b/drivers/input/touchscreen/silead.c @@ -70,7 +70,6 @@ struct silead_ts_data { struct regulator_bulk_data regulators[2]; char fw_name[64]; struct touchscreen_properties prop; - u32 max_fingers; u32 chip_id; struct input_mt_pos pos[SILEAD_MAX_FINGERS]; int slots[SILEAD_MAX_FINGERS]; @@ -98,7 +97,7 @@ static int silead_ts_request_input_dev(struct silead_ts_data *data) input_set_abs_params(data->input, ABS_MT_POSITION_Y, 0, 4095, 0, 0); touchscreen_parse_properties(data->input, true, &data->prop); - input_mt_init_slots(data->input, data->max_fingers, + input_mt_init_slots(data->input, SILEAD_MAX_FINGERS, INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED | INPUT_MT_TRACK); @@ -145,10 +144,10 @@ static void silead_ts_read_data(struct i2c_client *client) return; } - if (buf[0] > data->max_fingers) { + if (buf[0] > SILEAD_MAX_FINGERS) { dev_warn(dev, "More touches reported then supported %d > %d\n", - buf[0], data->max_fingers); - buf[0] = data->max_fingers; + buf[0], SILEAD_MAX_FINGERS); + buf[0] = SILEAD_MAX_FINGERS; } touch_nr = 0; @@ -200,7 +199,6 @@ static void silead_ts_read_data(struct i2c_client *client) static int silead_ts_init(struct i2c_client *client) { - struct silead_ts_data *data = i2c_get_clientdata(client); int error; error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET, @@ -210,7 +208,7 @@ static int silead_ts_init(struct i2c_client *client) usleep_range(SILEAD_CMD_SLEEP_MIN, SILEAD_CMD_SLEEP_MAX); error = i2c_smbus_write_byte_data(client, SILEAD_REG_TOUCH_NR, - data->max_fingers); + SILEAD_MAX_FINGERS); if (error) goto i2c_write_err; usleep_range(SILEAD_CMD_SLEEP_MIN, SILEAD_CMD_SLEEP_MAX); @@ -437,13 +435,6 @@ static void silead_ts_read_props(struct i2c_client *client) const char *str; int error; - error = device_property_read_u32(dev, "silead,max-fingers", - &data->max_fingers); - if (error) { - dev_dbg(dev, "Max fingers read error %d\n", error); - data->max_fingers = 5; /* Most devices handle up-to 5 fingers */ - } - error = device_property_read_string(dev, "firmware-name", &str); if (!error) snprintf(data->fw_name, sizeof(data->fw_name), diff --git a/drivers/interconnect/qcom/sm8250.c b/drivers/interconnect/qcom/sm8250.c index aa707582ea..8dfb5dea56 100644 --- a/drivers/interconnect/qcom/sm8250.c +++ b/drivers/interconnect/qcom/sm8250.c @@ -551,6 +551,7 @@ static struct platform_driver qnoc_driver = { .driver = { .name = "qnoc-sm8250", .of_match_table = qnoc_of_match, + .sync_state = icc_sync_state, }, }; module_platform_driver(qnoc_driver); diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h index 390f10060c..2dc025acad 100644 --- a/drivers/iommu/amd/amd_iommu_types.h +++ b/drivers/iommu/amd/amd_iommu_types.h @@ -450,6 +450,11 @@ extern bool amd_iommu_irq_remap; /* kmem_cache to get tables with 128 byte alignement */ extern struct kmem_cache *amd_iommu_irq_cache; +/* Make iterating over all pci segment easier */ +#define for_each_pci_segment(pci_seg) \ + list_for_each_entry((pci_seg), &amd_iommu_pci_seg_list, list) +#define for_each_pci_segment_safe(pci_seg, next) \ + list_for_each_entry_safe((pci_seg), (next), &amd_iommu_pci_seg_list, list) /* * Make iterating over all IOMMUs easier */ @@ -524,6 +529,17 @@ struct protection_domain { unsigned dev_iommu[MAX_IOMMUS]; /* per-IOMMU reference count */ }; +/* + * This structure contains information about one PCI segment in the system. + */ +struct amd_iommu_pci_seg { + /* List with all PCI segments in the system */ + struct list_head list; + + /* PCI segment number */ + u16 id; +}; + /* * Structure where we save information about one hardware AMD IOMMU in the * system. @@ -575,7 +591,7 @@ struct amd_iommu { u16 cap_ptr; /* pci domain of this IOMMU */ - u16 pci_seg; + struct amd_iommu_pci_seg *pci_seg; /* start of exclusion range of that IOMMU */ u64 exclusion_start; @@ -703,6 +719,12 @@ extern struct list_head ioapic_map; extern struct list_head hpet_map; extern struct list_head acpihid_map; +/* + * List with all PCI segments in the system. This list is not locked because + * it is only written at driver initialization time + */ +extern struct list_head amd_iommu_pci_seg_list; + /* * List with all IOMMUs in the system. This list is not locked because it is * only written and read at driver initialization or suspend time diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index ef855495c2..70f3720d96 100644 --- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -167,6 +167,7 @@ u16 amd_iommu_last_bdf; /* largest PCI device id we have LIST_HEAD(amd_iommu_unity_map); /* a list of required unity mappings we find in ACPI */ +LIST_HEAD(amd_iommu_pci_seg_list); /* list of all PCI segments */ LIST_HEAD(amd_iommu_list); /* list of all AMD IOMMUs in the system */ @@ -1455,8 +1456,54 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu, return 0; } +/* Allocate PCI segment data structure */ +static struct amd_iommu_pci_seg *__init alloc_pci_segment(u16 id) +{ + struct amd_iommu_pci_seg *pci_seg; + + pci_seg = kzalloc(sizeof(struct amd_iommu_pci_seg), GFP_KERNEL); + if (pci_seg == NULL) + return NULL; + + pci_seg->id = id; + list_add_tail(&pci_seg->list, &amd_iommu_pci_seg_list); + + return pci_seg; +} + +static struct amd_iommu_pci_seg *__init get_pci_segment(u16 id) +{ + struct amd_iommu_pci_seg *pci_seg; + + for_each_pci_segment(pci_seg) { + if (pci_seg->id == id) + return pci_seg; + } + + return alloc_pci_segment(id); +} + +static void __init free_pci_segments(void) +{ + struct amd_iommu_pci_seg *pci_seg, *next; + + for_each_pci_segment_safe(pci_seg, next) { + list_del(&pci_seg->list); + kfree(pci_seg); + } +} + +static void __init free_sysfs(struct amd_iommu *iommu) +{ + if (iommu->iommu.dev) { + iommu_device_unregister(&iommu->iommu); + iommu_device_sysfs_remove(&iommu->iommu); + } +} + static void __init free_iommu_one(struct amd_iommu *iommu) { + free_sysfs(iommu); free_cwwb_sem(iommu); free_command_buffer(iommu); free_event_buffer(iommu); @@ -1541,8 +1588,14 @@ static void amd_iommu_ats_write_check_workaround(struct amd_iommu *iommu) */ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) { + struct amd_iommu_pci_seg *pci_seg; int ret; + pci_seg = get_pci_segment(h->pci_seg); + if (pci_seg == NULL) + return -ENOMEM; + iommu->pci_seg = pci_seg; + raw_spin_lock_init(&iommu->lock); iommu->cmd_sem_val = 0; @@ -1563,7 +1616,6 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) */ iommu->devid = h->devid; iommu->cap_ptr = h->cap_ptr; - iommu->pci_seg = h->pci_seg; iommu->mmio_phys = h->mmio_phys; switch (h->type) { @@ -2604,6 +2656,7 @@ static void __init free_iommu_resources(void) amd_iommu_dev_table = NULL; free_iommu_all(); + free_pci_segments(); } /* SB IOAPIC is always on this device in AMD systems */ diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c index 761cb657f2..ec4c87095c 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -3239,7 +3239,7 @@ static void arm_smmu_setup_msis(struct arm_smmu_device *smmu) } /* Add callback to free MSIs on teardown */ - devm_add_action(dev, arm_smmu_free_msis, dev); + devm_add_action_or_reset(dev, arm_smmu_free_msis, dev); } static void arm_smmu_setup_unique_irqs(struct arm_smmu_device *smmu) diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c index 272c9b35c9..da249140ed 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c @@ -254,6 +254,13 @@ static int qcom_smmu_cfg_probe(struct arm_smmu_device *smmu) u32 smr; int i; + /* + * MSM8998 LPASS SMMU reports 13 context banks, but accessing + * the last context bank crashes the system. + */ + if (of_device_is_compatible(smmu->dev->of_node, "qcom,msm8998-smmu-v2") && smmu->num_context_banks == 13) + smmu->num_context_banks = 12; + /* * Some platforms support more than the Arm SMMU architected maximum of * 128 stream matching groups. For unknown reasons, the additional diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c index 0ad33d8d99..7109d86491 100644 --- a/drivers/iommu/intel/dmar.c +++ b/drivers/iommu/intel/dmar.c @@ -1198,9 +1198,7 @@ static void free_iommu(struct intel_iommu *iommu) */ static inline void reclaim_free_desc(struct q_inval *qi) { - while (qi->desc_status[qi->free_tail] == QI_DONE || - qi->desc_status[qi->free_tail] == QI_ABORT) { - qi->desc_status[qi->free_tail] = QI_FREE; + while (qi->desc_status[qi->free_tail] == QI_FREE && qi->free_tail != qi->free_head) { qi->free_tail = (qi->free_tail + 1) % QI_LENGTH; qi->free_cnt++; } @@ -1418,7 +1416,7 @@ int qi_submit_sync(struct intel_iommu *iommu, struct qi_desc *desc, */ writel(qi->free_head << shift, iommu->reg + DMAR_IQT_REG); - while (qi->desc_status[wait_index] != QI_DONE) { + while (READ_ONCE(qi->desc_status[wait_index]) != QI_DONE) { /* * We will leave the interrupts disabled, to prevent interrupt * context to queue another cmd while a cmd is already submitted @@ -1435,8 +1433,16 @@ int qi_submit_sync(struct intel_iommu *iommu, struct qi_desc *desc, raw_spin_lock(&qi->q_lock); } - for (i = 0; i < count; i++) - qi->desc_status[(index + i) % QI_LENGTH] = QI_DONE; + /* + * The reclaim code can free descriptors from multiple submissions + * starting from the tail of the queue. When count == 0, the + * status of the standalone wait descriptor at the tail of the queue + * must be set to QI_FREE to allow the reclaim code to proceed. + * It is also possible that descriptors from one of the previous + * submissions has to be reclaimed by a subsequent submission. + */ + for (i = 0; i <= count; i++) + qi->desc_status[(index + i) % QI_LENGTH] = QI_FREE; reclaim_free_desc(qi); raw_spin_unlock_irqrestore(&qi->q_lock, flags); diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 46b2751c3f..1d2e3c12dc 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -1846,10 +1846,10 @@ static int iommu_init_domains(struct intel_iommu *iommu) * entry for first-level or pass-through translation modes should * be programmed with a domain id different from those used for * second-level or nested translation. We reserve a domain id for - * this purpose. + * this purpose. This domain id is also used for identity domain + * in legacy mode. */ - if (sm_supported(iommu)) - set_bit(FLPT_DEFAULT_DID, iommu->domain_ids); + set_bit(FLPT_DEFAULT_DID, iommu->domain_ids); return 0; } @@ -4465,8 +4465,10 @@ static int domain_context_clear_one_cb(struct pci_dev *pdev, u16 alias, void *op */ static void domain_context_clear(struct device_domain_info *info) { - if (!dev_is_pci(info->dev)) + if (!dev_is_pci(info->dev)) { domain_context_clear_one(info, info->bus, info->devfn); + return; + } pci_for_each_dma_alias(to_pci_dev(info->dev), &domain_context_clear_one_cb, info); diff --git a/drivers/iommu/sprd-iommu.c b/drivers/iommu/sprd-iommu.c index 6b11770e3d..f9392dbe65 100644 --- a/drivers/iommu/sprd-iommu.c +++ b/drivers/iommu/sprd-iommu.c @@ -234,8 +234,8 @@ static void sprd_iommu_cleanup(struct sprd_iommu_domain *dom) pgt_size = sprd_iommu_pgt_size(&dom->domain); dma_free_coherent(dom->sdev->dev, pgt_size, dom->pgt_va, dom->pgt_pa); - dom->sdev = NULL; sprd_iommu_hw_en(dom->sdev, false); + dom->sdev = NULL; } static void sprd_iommu_domain_free(struct iommu_domain *domain) diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c index ed35741955..8593c79cfa 100644 --- a/drivers/iommu/sun50i-iommu.c +++ b/drivers/iommu/sun50i-iommu.c @@ -379,6 +379,7 @@ static int sun50i_iommu_enable(struct sun50i_iommu *iommu) IOMMU_TLB_PREFETCH_MASTER_ENABLE(3) | IOMMU_TLB_PREFETCH_MASTER_ENABLE(4) | IOMMU_TLB_PREFETCH_MASTER_ENABLE(5)); + iommu_write(iommu, IOMMU_BYPASS_REG, 0); iommu_write(iommu, IOMMU_INT_ENABLE_REG, IOMMU_INT_MASK); iommu_write(iommu, IOMMU_DM_AUT_CTRL_REG(SUN50I_IOMMU_ACI_NONE), IOMMU_DM_AUT_CTRL_RD_UNAVAIL(SUN50I_IOMMU_ACI_NONE, 0) | diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index 01709c61e3..3fa6bd7068 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -546,6 +546,10 @@ static struct irq_chip armada_370_xp_irq_chip = { static int armada_370_xp_mpic_irq_map(struct irq_domain *h, unsigned int virq, irq_hw_number_t hw) { + /* IRQs 0 and 1 cannot be mapped, they are handled internally */ + if (hw <= 1) + return -EINVAL; + armada_370_xp_irq_mask(irq_get_irq_data(virq)); if (!is_percpu_irq(hw)) writel(hw, per_cpu_int_base + diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c index 9349fc68b8..0e57c60681 100644 --- a/drivers/irqchip/irq-gic-v2m.c +++ b/drivers/irqchip/irq-gic-v2m.c @@ -439,12 +439,12 @@ static int __init gicv2m_of_init(struct fwnode_handle *parent_handle, ret = gicv2m_init_one(&child->fwnode, spi_start, nr_spis, &res, 0); - if (ret) { - of_node_put(child); + if (ret) break; - } } + if (ret && child) + of_node_put(child); if (!ret) ret = gicv2m_allocate_domains(parent); if (ret) diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index fa89e590c1..567d758503 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -779,6 +779,7 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its, struct its_cmd_block *cmd, struct its_cmd_desc *desc) { + struct its_vpe *vpe = valid_vpe(its, desc->its_vmapp_cmd.vpe); unsigned long vpt_addr, vconf_addr; u64 target; bool alloc; @@ -788,9 +789,14 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its, its_encode_valid(cmd, desc->its_vmapp_cmd.valid); if (!desc->its_vmapp_cmd.valid) { + alloc = !atomic_dec_return(&desc->its_vmapp_cmd.vpe->vmapp_count); if (is_v4_1(its)) { - alloc = !atomic_dec_return(&desc->its_vmapp_cmd.vpe->vmapp_count); its_encode_alloc(cmd, alloc); + /* + * Unmapping a VPE is self-synchronizing on GICv4.1, + * no need to issue a VSYNC. + */ + vpe = NULL; } goto out; @@ -803,13 +809,13 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its, its_encode_vpt_addr(cmd, vpt_addr); its_encode_vpt_size(cmd, LPI_NRBITS - 1); + alloc = !atomic_fetch_inc(&desc->its_vmapp_cmd.vpe->vmapp_count); + if (!is_v4_1(its)) goto out; vconf_addr = virt_to_phys(page_address(desc->its_vmapp_cmd.vpe->its_vm->vprop_page)); - alloc = !atomic_fetch_inc(&desc->its_vmapp_cmd.vpe->vmapp_count); - its_encode_alloc(cmd, alloc); /* @@ -825,7 +831,7 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its, out: its_fixup_cmd(cmd); - return valid_vpe(its, desc->its_vmapp_cmd.vpe); + return vpe; } static struct its_vpe *its_build_vmapti_cmd(struct its_node *its, @@ -3804,6 +3810,13 @@ static int its_vpe_set_affinity(struct irq_data *d, unsigned long flags; int from, cpu; + /* + * Check if we're racing against a VPE being destroyed, for + * which we don't want to allow a VMOVP. + */ + if (!atomic_read(&vpe->vmapp_count)) + return -EINVAL; + /* * Changing affinity is mega expensive, so let's be as lazy as * we can and only do it if we really have to. Also, if mapped @@ -4440,9 +4453,8 @@ static int its_vpe_init(struct its_vpe *vpe) raw_spin_lock_init(&vpe->vpe_lock); vpe->vpe_id = vpe_id; vpe->vpt_page = vpt_page; - if (gic_rdists->has_rvpeid) - atomic_set(&vpe->vmapp_count, 0); - else + atomic_set(&vpe->vmapp_count, 0); + if (!gic_rdists->has_rvpeid) vpe->vpe_proxy_event = -1; return 0; @@ -4491,8 +4503,6 @@ static int its_vpe_irq_domain_alloc(struct irq_domain *domain, unsigned int virq struct page *vprop_page; int base, nr_ids, i, err = 0; - BUG_ON(!vm); - bitmap = its_lpi_alloc(roundup_pow_of_two(nr_irqs), &base, &nr_ids); if (!bitmap) return -ENOMEM; diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index 500e0c6d17..69126d8034 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -429,6 +429,13 @@ static int gic_irq_set_irqchip_state(struct irq_data *d, } gic_poke_irq(d, reg); + + /* + * Force read-back to guarantee that the active state has taken + * effect, and won't race with a guest-driven deactivation. + */ + if (reg == GICD_ISACTIVER) + gic_peek_irq(d, reg); return 0; } diff --git a/drivers/irqchip/irq-imx-irqsteer.c b/drivers/irqchip/irq-imx-irqsteer.c index 8d91a02593..44ce85c27f 100644 --- a/drivers/irqchip/irq-imx-irqsteer.c +++ b/drivers/irqchip/irq-imx-irqsteer.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #define CTRL_STRIDE_OFF(_t, _r) (_t * 4 * _r) @@ -34,6 +35,7 @@ struct irqsteer_data { int channel; struct irq_domain *domain; u32 *saved_reg; + struct device *dev; }; static int imx_irqsteer_get_reg_index(struct irqsteer_data *data, @@ -70,10 +72,26 @@ static void imx_irqsteer_irq_mask(struct irq_data *d) raw_spin_unlock_irqrestore(&data->lock, flags); } -static struct irq_chip imx_irqsteer_irq_chip = { - .name = "irqsteer", - .irq_mask = imx_irqsteer_irq_mask, - .irq_unmask = imx_irqsteer_irq_unmask, +static void imx_irqsteer_irq_bus_lock(struct irq_data *d) +{ + struct irqsteer_data *data = d->chip_data; + + pm_runtime_get_sync(data->dev); +} + +static void imx_irqsteer_irq_bus_sync_unlock(struct irq_data *d) +{ + struct irqsteer_data *data = d->chip_data; + + pm_runtime_put_autosuspend(data->dev); +} + +static const struct irq_chip imx_irqsteer_irq_chip = { + .name = "irqsteer", + .irq_mask = imx_irqsteer_irq_mask, + .irq_unmask = imx_irqsteer_irq_unmask, + .irq_bus_lock = imx_irqsteer_irq_bus_lock, + .irq_bus_sync_unlock = imx_irqsteer_irq_bus_sync_unlock, }; static int imx_irqsteer_irq_map(struct irq_domain *h, unsigned int irq, @@ -148,6 +166,7 @@ static int imx_irqsteer_probe(struct platform_device *pdev) if (!data) return -ENOMEM; + data->dev = &pdev->dev; data->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(data->regs)) { dev_err(&pdev->dev, "failed to initialize reg\n"); @@ -175,7 +194,7 @@ static int imx_irqsteer_probe(struct platform_device *pdev) data->irq_count = DIV_ROUND_UP(irqs_num, 64); data->reg_num = irqs_num / 32; - if (IS_ENABLED(CONFIG_PM_SLEEP)) { + if (IS_ENABLED(CONFIG_PM)) { data->saved_reg = devm_kzalloc(&pdev->dev, sizeof(u32) * data->reg_num, GFP_KERNEL); @@ -199,6 +218,7 @@ static int imx_irqsteer_probe(struct platform_device *pdev) ret = -ENOMEM; goto out; } + irq_domain_set_pm_device(data->domain, &pdev->dev); if (!data->irq_count || data->irq_count > CHAN_MAX_OUTPUT_INT) { ret = -EINVAL; @@ -219,6 +239,9 @@ static int imx_irqsteer_probe(struct platform_device *pdev) platform_set_drvdata(pdev, data); + pm_runtime_set_active(&pdev->dev); + pm_runtime_enable(&pdev->dev); + return 0; out: clk_disable_unprepare(data->ipg_clk); @@ -241,7 +264,7 @@ static int imx_irqsteer_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_PM static void imx_irqsteer_save_regs(struct irqsteer_data *data) { int i; @@ -288,7 +311,10 @@ static int imx_irqsteer_resume(struct device *dev) #endif static const struct dev_pm_ops imx_irqsteer_pm_ops = { - SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(imx_irqsteer_suspend, imx_irqsteer_resume) + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) + SET_RUNTIME_PM_OPS(imx_irqsteer_suspend, + imx_irqsteer_resume, NULL) }; static const struct of_device_id imx_irqsteer_dt_ids[] = { diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c index 12df216210..e6f824a2ee 100644 --- a/drivers/irqchip/irq-mbigen.c +++ b/drivers/irqchip/irq-mbigen.c @@ -64,6 +64,20 @@ struct mbigen_device { void __iomem *base; }; +static inline unsigned int get_mbigen_node_offset(unsigned int nid) +{ + unsigned int offset = nid * MBIGEN_NODE_OFFSET; + + /* + * To avoid touched clear register in unexpected way, we need to directly + * skip clear register when access to more than 10 mbigen nodes. + */ + if (nid >= (REG_MBIGEN_CLEAR_OFFSET / MBIGEN_NODE_OFFSET)) + offset += MBIGEN_NODE_OFFSET; + + return offset; +} + static inline unsigned int get_mbigen_vec_reg(irq_hw_number_t hwirq) { unsigned int nid, pin; @@ -72,8 +86,7 @@ static inline unsigned int get_mbigen_vec_reg(irq_hw_number_t hwirq) nid = hwirq / IRQS_PER_MBIGEN_NODE + 1; pin = hwirq % IRQS_PER_MBIGEN_NODE; - return pin * 4 + nid * MBIGEN_NODE_OFFSET - + REG_MBIGEN_VEC_OFFSET; + return pin * 4 + get_mbigen_node_offset(nid) + REG_MBIGEN_VEC_OFFSET; } static inline void get_mbigen_type_reg(irq_hw_number_t hwirq, @@ -88,8 +101,7 @@ static inline void get_mbigen_type_reg(irq_hw_number_t hwirq, *mask = 1 << (irq_ofst % 32); ofst = irq_ofst / 32 * 4; - *addr = ofst + nid * MBIGEN_NODE_OFFSET - + REG_MBIGEN_TYPE_OFFSET; + *addr = ofst + get_mbigen_node_offset(nid) + REG_MBIGEN_TYPE_OFFSET; } static inline void get_mbigen_clear_reg(irq_hw_number_t hwirq, diff --git a/drivers/irqchip/irq-meson-gpio.c b/drivers/irqchip/irq-meson-gpio.c index e50676ce2e..6a3d18d5ba 100644 --- a/drivers/irqchip/irq-meson-gpio.c +++ b/drivers/irqchip/irq-meson-gpio.c @@ -16,7 +16,7 @@ #include #include -#define NUM_CHANNEL 8 +#define MAX_NUM_CHANNEL 64 #define MAX_INPUT_MUX 256 #define REG_EDGE_POL 0x00 @@ -60,6 +60,7 @@ struct irq_ctl_ops { struct meson_gpio_irq_params { unsigned int nr_hwirq; + unsigned int nr_channels; bool support_edge_both; unsigned int edge_both_offset; unsigned int edge_single_offset; @@ -81,6 +82,7 @@ struct meson_gpio_irq_params { .edge_single_offset = 0, \ .pol_low_offset = 16, \ .pin_sel_mask = 0xff, \ + .nr_channels = 8, \ #define INIT_MESON_A1_COMMON_DATA(irqs) \ INIT_MESON_COMMON(irqs, meson_a1_gpio_irq_init, \ @@ -90,6 +92,7 @@ struct meson_gpio_irq_params { .edge_single_offset = 8, \ .pol_low_offset = 0, \ .pin_sel_mask = 0x7f, \ + .nr_channels = 8, \ static const struct meson_gpio_irq_params meson8_params = { INIT_MESON8_COMMON_DATA(134) @@ -136,9 +139,9 @@ static const struct of_device_id meson_irq_gpio_matches[] = { struct meson_gpio_irq_controller { const struct meson_gpio_irq_params *params; void __iomem *base; - u32 channel_irqs[NUM_CHANNEL]; - DECLARE_BITMAP(channel_map, NUM_CHANNEL); - spinlock_t lock; + u32 channel_irqs[MAX_NUM_CHANNEL]; + DECLARE_BITMAP(channel_map, MAX_NUM_CHANNEL); + raw_spinlock_t lock; }; static void meson_gpio_irq_update_bits(struct meson_gpio_irq_controller *ctl, @@ -147,14 +150,14 @@ static void meson_gpio_irq_update_bits(struct meson_gpio_irq_controller *ctl, unsigned long flags; u32 tmp; - spin_lock_irqsave(&ctl->lock, flags); + raw_spin_lock_irqsave(&ctl->lock, flags); tmp = readl_relaxed(ctl->base + reg); tmp &= ~mask; tmp |= val; writel_relaxed(tmp, ctl->base + reg); - spin_unlock_irqrestore(&ctl->lock, flags); + raw_spin_unlock_irqrestore(&ctl->lock, flags); } static void meson_gpio_irq_init_dummy(struct meson_gpio_irq_controller *ctl) @@ -204,12 +207,12 @@ meson_gpio_irq_request_channel(struct meson_gpio_irq_controller *ctl, unsigned long flags; unsigned int idx; - spin_lock_irqsave(&ctl->lock, flags); + raw_spin_lock_irqsave(&ctl->lock, flags); /* Find a free channel */ - idx = find_first_zero_bit(ctl->channel_map, NUM_CHANNEL); - if (idx >= NUM_CHANNEL) { - spin_unlock_irqrestore(&ctl->lock, flags); + idx = find_first_zero_bit(ctl->channel_map, ctl->params->nr_channels); + if (idx >= ctl->params->nr_channels) { + raw_spin_unlock_irqrestore(&ctl->lock, flags); pr_err("No channel available\n"); return -ENOSPC; } @@ -217,7 +220,7 @@ meson_gpio_irq_request_channel(struct meson_gpio_irq_controller *ctl, /* Mark the channel as used */ set_bit(idx, ctl->channel_map); - spin_unlock_irqrestore(&ctl->lock, flags); + raw_spin_unlock_irqrestore(&ctl->lock, flags); /* * Setup the mux of the channel to route the signal of the pad @@ -451,10 +454,10 @@ static int __init meson_gpio_irq_parse_dt(struct device_node *node, ret = of_property_read_variable_u32_array(node, "amlogic,channel-interrupts", ctl->channel_irqs, - NUM_CHANNEL, - NUM_CHANNEL); + ctl->params->nr_channels, + ctl->params->nr_channels); if (ret < 0) { - pr_err("can't get %d channel interrupts\n", NUM_CHANNEL); + pr_err("can't get %d channel interrupts\n", ctl->params->nr_channels); return ret; } @@ -485,7 +488,7 @@ static int __init meson_gpio_irq_of_init(struct device_node *node, if (!ctl) return -ENOMEM; - spin_lock_init(&ctl->lock); + raw_spin_lock_init(&ctl->lock); ctl->base = of_iomap(node, 0); if (!ctl->base) { @@ -509,7 +512,7 @@ static int __init meson_gpio_irq_of_init(struct device_node *node, } pr_info("%d to %d gpio interrupt mux initialized\n", - ctl->params->nr_hwirq, NUM_CHANNEL); + ctl->params->nr_hwirq, ctl->params->nr_channels); return 0; diff --git a/drivers/irqchip/irq-mscc-ocelot.c b/drivers/irqchip/irq-mscc-ocelot.c index 4d0c3532db..c19ab379e8 100644 --- a/drivers/irqchip/irq-mscc-ocelot.c +++ b/drivers/irqchip/irq-mscc-ocelot.c @@ -37,7 +37,7 @@ static struct chip_props ocelot_props = { .reg_off_ena_clr = 0x1c, .reg_off_ena_set = 0x20, .reg_off_ident = 0x38, - .reg_off_trigger = 0x5c, + .reg_off_trigger = 0x4, .n_irq = 24, }; @@ -70,7 +70,7 @@ static struct chip_props jaguar2_props = { .reg_off_ena_clr = 0x1c, .reg_off_ena_set = 0x20, .reg_off_ident = 0x38, - .reg_off_trigger = 0x5c, + .reg_off_trigger = 0x4, .n_irq = 29, }; diff --git a/drivers/irqchip/irq-xilinx-intc.c b/drivers/irqchip/irq-xilinx-intc.c index 356a59755d..d8c3f5a60e 100644 --- a/drivers/irqchip/irq-xilinx-intc.c +++ b/drivers/irqchip/irq-xilinx-intc.c @@ -188,7 +188,7 @@ static int __init xilinx_intc_of_init(struct device_node *intc, irqc->intr_mask = 0; } - if (irqc->intr_mask >> irqc->nr_irq) + if ((u64)irqc->intr_mask >> irqc->nr_irq) pr_warn("irq-xilinx: mismatch in kind-of-intr param\n"); pr_info("irq-xilinx: %pOF: num_irq=%d, edge=0x%x\n", diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c index e840609c50..2063afffd0 100644 --- a/drivers/isdn/hardware/mISDN/hfcmulti.c +++ b/drivers/isdn/hardware/mISDN/hfcmulti.c @@ -1931,7 +1931,7 @@ hfcmulti_dtmf(struct hfc_multi *hc) static void hfcmulti_tx(struct hfc_multi *hc, int ch) { - int i, ii, temp, len = 0; + int i, ii, temp, tmp_len, len = 0; int Zspace, z1, z2; /* must be int for calculation */ int Fspace, f1, f2; u_char *d; @@ -2152,14 +2152,15 @@ hfcmulti_tx(struct hfc_multi *hc, int ch) HFC_wait_nodebug(hc); } + tmp_len = (*sp)->len; dev_kfree_skb(*sp); /* check for next frame */ if (bch && get_next_bframe(bch)) { - len = (*sp)->len; + len = tmp_len; goto next_frame; } if (dch && get_next_dframe(dch)) { - len = (*sp)->len; + len = tmp_len; goto next_frame; } diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index 1024b1562a..6e88df4c87 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -235,7 +235,6 @@ struct led_classdev *of_led_get(struct device_node *np, int index) led_dev = class_find_device_by_of_node(leds_class, led_node); of_node_put(led_node); - put_device(led_dev); if (!led_dev) return ERR_PTR(-EPROBE_DEFER); diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index 4e7b78a841..3d3673c197 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -157,7 +157,6 @@ EXPORT_SYMBOL_GPL(led_trigger_read); /* Caller must ensure led_cdev->trigger_lock held */ int led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig) { - unsigned long flags; char *event = NULL; char *envp[2]; const char *name; @@ -171,31 +170,47 @@ int led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig) /* Remove any existing trigger */ if (led_cdev->trigger) { - write_lock_irqsave(&led_cdev->trigger->leddev_list_lock, flags); - list_del(&led_cdev->trig_list); - write_unlock_irqrestore(&led_cdev->trigger->leddev_list_lock, - flags); + spin_lock(&led_cdev->trigger->leddev_list_lock); + list_del_rcu(&led_cdev->trig_list); + spin_unlock(&led_cdev->trigger->leddev_list_lock); + + /* ensure it's no longer visible on the led_cdevs list */ + synchronize_rcu(); + cancel_work_sync(&led_cdev->set_brightness_work); led_stop_software_blink(led_cdev); + device_remove_groups(led_cdev->dev, led_cdev->trigger->groups); if (led_cdev->trigger->deactivate) led_cdev->trigger->deactivate(led_cdev); - device_remove_groups(led_cdev->dev, led_cdev->trigger->groups); led_cdev->trigger = NULL; led_cdev->trigger_data = NULL; led_cdev->activated = false; led_set_brightness(led_cdev, LED_OFF); } if (trig) { - write_lock_irqsave(&trig->leddev_list_lock, flags); - list_add_tail(&led_cdev->trig_list, &trig->led_cdevs); - write_unlock_irqrestore(&trig->leddev_list_lock, flags); + spin_lock(&trig->leddev_list_lock); + list_add_tail_rcu(&led_cdev->trig_list, &trig->led_cdevs); + spin_unlock(&trig->leddev_list_lock); led_cdev->trigger = trig; + /* + * Some activate() calls use led_trigger_event() to initialize + * the brightness of the LED for which the trigger is being set. + * Ensure the led_cdev is visible on trig->led_cdevs for this. + */ + synchronize_rcu(); + + /* + * If "set brightness to 0" is pending in workqueue, + * we don't want that to be reordered after ->activate() + */ + flush_work(&led_cdev->set_brightness_work); + + ret = 0; if (trig->activate) ret = trig->activate(led_cdev); else - ret = 0; - + led_set_brightness(led_cdev, trig->brightness); if (ret) goto err_activate; @@ -223,9 +238,10 @@ int led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig) trig->deactivate(led_cdev); err_activate: - write_lock_irqsave(&led_cdev->trigger->leddev_list_lock, flags); - list_del(&led_cdev->trig_list); - write_unlock_irqrestore(&led_cdev->trigger->leddev_list_lock, flags); + spin_lock(&led_cdev->trigger->leddev_list_lock); + list_del_rcu(&led_cdev->trig_list); + spin_unlock(&led_cdev->trigger->leddev_list_lock); + synchronize_rcu(); led_cdev->trigger = NULL; led_cdev->trigger_data = NULL; led_set_brightness(led_cdev, LED_OFF); @@ -265,19 +281,6 @@ void led_trigger_set_default(struct led_classdev *led_cdev) } EXPORT_SYMBOL_GPL(led_trigger_set_default); -void led_trigger_rename_static(const char *name, struct led_trigger *trig) -{ - /* new name must be on a temporary string to prevent races */ - BUG_ON(name == trig->name); - - down_write(&triggers_list_lock); - /* this assumes that trig->name was originaly allocated to - * non constant storage */ - strcpy((char *)trig->name, name); - up_write(&triggers_list_lock); -} -EXPORT_SYMBOL_GPL(led_trigger_rename_static); - /* LED Trigger Interface */ int led_trigger_register(struct led_trigger *trig) @@ -285,7 +288,7 @@ int led_trigger_register(struct led_trigger *trig) struct led_classdev *led_cdev; struct led_trigger *_trig; - rwlock_init(&trig->leddev_list_lock); + spin_lock_init(&trig->leddev_list_lock); INIT_LIST_HEAD(&trig->led_cdevs); down_write(&triggers_list_lock); @@ -378,15 +381,16 @@ void led_trigger_event(struct led_trigger *trig, enum led_brightness brightness) { struct led_classdev *led_cdev; - unsigned long flags; if (!trig) return; - read_lock_irqsave(&trig->leddev_list_lock, flags); - list_for_each_entry(led_cdev, &trig->led_cdevs, trig_list) + trig->brightness = brightness; + + rcu_read_lock(); + list_for_each_entry_rcu(led_cdev, &trig->led_cdevs, trig_list) led_set_brightness(led_cdev, brightness); - read_unlock_irqrestore(&trig->leddev_list_lock, flags); + rcu_read_unlock(); } EXPORT_SYMBOL_GPL(led_trigger_event); @@ -397,20 +401,19 @@ static void led_trigger_blink_setup(struct led_trigger *trig, int invert) { struct led_classdev *led_cdev; - unsigned long flags; if (!trig) return; - read_lock_irqsave(&trig->leddev_list_lock, flags); - list_for_each_entry(led_cdev, &trig->led_cdevs, trig_list) { + rcu_read_lock(); + list_for_each_entry_rcu(led_cdev, &trig->led_cdevs, trig_list) { if (oneshot) led_blink_set_oneshot(led_cdev, delay_on, delay_off, invert); else led_blink_set(led_cdev, delay_on, delay_off); } - read_unlock_irqrestore(&trig->leddev_list_lock, flags); + rcu_read_unlock(); } void led_trigger_blink(struct led_trigger *trig, diff --git a/drivers/leds/leds-spi-byte.c b/drivers/leds/leds-spi-byte.c index f1964c96fb..82696e0607 100644 --- a/drivers/leds/leds-spi-byte.c +++ b/drivers/leds/leds-spi-byte.c @@ -91,7 +91,6 @@ static int spi_byte_probe(struct spi_device *spi) dev_err(dev, "Device must have exactly one LED sub-node."); return -EINVAL; } - child = of_get_next_available_child(dev_of_node(dev), NULL); led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL); if (!led) @@ -107,11 +106,13 @@ static int spi_byte_probe(struct spi_device *spi) led->ldev.max_brightness = led->cdef->max_value - led->cdef->off_value; led->ldev.brightness_set_blocking = spi_byte_brightness_set_blocking; + child = of_get_next_available_child(dev_of_node(dev), NULL); state = of_get_property(child, "default-state", NULL); if (state) { if (!strcmp(state, "on")) { led->ldev.brightness = led->ldev.max_brightness; } else if (strcmp(state, "off")) { + of_node_put(child); /* all other cases except "off" */ dev_err(dev, "default-state can only be 'on' or 'off'"); return -EINVAL; @@ -122,9 +123,12 @@ static int spi_byte_probe(struct spi_device *spi) ret = devm_led_classdev_register(&spi->dev, &led->ldev); if (ret) { + of_node_put(child); mutex_destroy(&led->mutex); return ret; } + + of_node_put(child); spi_set_drvdata(spi, led); return 0; diff --git a/drivers/leds/leds-ss4200.c b/drivers/leds/leds-ss4200.c index fcaa34706b..2ef9fc7371 100644 --- a/drivers/leds/leds-ss4200.c +++ b/drivers/leds/leds-ss4200.c @@ -356,8 +356,10 @@ static int ich7_lpc_probe(struct pci_dev *dev, nas_gpio_pci_dev = dev; status = pci_read_config_dword(dev, PMBASE, &g_pm_io_base); - if (status) + if (status) { + status = pcibios_err_to_errno(status); goto out; + } g_pm_io_base &= 0x00000ff80; status = pci_read_config_dword(dev, GPIO_CTRL, &gc); @@ -369,8 +371,9 @@ static int ich7_lpc_probe(struct pci_dev *dev, } status = pci_read_config_dword(dev, GPIO_BASE, &nas_gpio_io_base); - if (0 > status) { + if (status) { dev_info(&dev->dev, "Unable to read GPIOBASE.\n"); + status = pcibios_err_to_errno(status); goto out; } dev_dbg(&dev->dev, ": GPIOBASE = 0x%08x\n", nas_gpio_io_base); diff --git a/drivers/leds/trigger/ledtrig-timer.c b/drivers/leds/trigger/ledtrig-timer.c index b4688d1d9d..1d213c999d 100644 --- a/drivers/leds/trigger/ledtrig-timer.c +++ b/drivers/leds/trigger/ledtrig-timer.c @@ -110,11 +110,6 @@ static int timer_trig_activate(struct led_classdev *led_cdev) led_cdev->flags &= ~LED_INIT_DEFAULT_TRIGGER; } - /* - * If "set brightness to 0" is pending in workqueue, we don't - * want that to be reordered after blink_set() - */ - flush_work(&led_cdev->set_brightness_work); led_blink_set(led_cdev, &led_cdev->blink_delay_on, &led_cdev->blink_delay_off); diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c index f55f6adf5e..49805eb4d1 100644 --- a/drivers/macintosh/therm_windtunnel.c +++ b/drivers/macintosh/therm_windtunnel.c @@ -549,7 +549,7 @@ g4fan_exit( void ) platform_driver_unregister( &therm_of_driver ); if( x.of_dev ) - of_device_unregister( x.of_dev ); + of_platform_device_destroy(&x.of_dev->dev, NULL); } module_init(g4fan_init); diff --git a/drivers/mailbox/bcm2835-mailbox.c b/drivers/mailbox/bcm2835-mailbox.c index 86b7ce3549..7b63967c30 100644 --- a/drivers/mailbox/bcm2835-mailbox.c +++ b/drivers/mailbox/bcm2835-mailbox.c @@ -146,7 +146,8 @@ static int bcm2835_mbox_probe(struct platform_device *pdev) spin_lock_init(&mbox->lock); ret = devm_request_irq(dev, irq_of_parse_and_map(dev->of_node, 0), - bcm2835_mbox_irq, 0, dev_name(dev), mbox); + bcm2835_mbox_irq, IRQF_NO_SUSPEND, dev_name(dev), + mbox); if (ret) { dev_err(dev, "Failed to register a mailbox IRQ handler: %d\n", ret); diff --git a/drivers/mailbox/rockchip-mailbox.c b/drivers/mailbox/rockchip-mailbox.c index 979acc810f..ca50f7f176 100644 --- a/drivers/mailbox/rockchip-mailbox.c +++ b/drivers/mailbox/rockchip-mailbox.c @@ -159,7 +159,7 @@ static const struct of_device_id rockchip_mbox_of_match[] = { { .compatible = "rockchip,rk3368-mailbox", .data = &rk3368_drv_data}, { }, }; -MODULE_DEVICE_TABLE(of, rockchp_mbox_of_match); +MODULE_DEVICE_TABLE(of, rockchip_mbox_of_match); static int rockchip_mbox_probe(struct platform_device *pdev) { diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c index 94d38e8a59..cb54420742 100644 --- a/drivers/md/bcache/bset.c +++ b/drivers/md/bcache/bset.c @@ -54,7 +54,7 @@ void bch_dump_bucket(struct btree_keys *b) int __bch_count_data(struct btree_keys *b) { unsigned int ret = 0; - struct btree_iter iter; + struct btree_iter_stack iter; struct bkey *k; if (b->ops->is_extents) @@ -67,7 +67,7 @@ void __bch_check_keys(struct btree_keys *b, const char *fmt, ...) { va_list args; struct bkey *k, *p = NULL; - struct btree_iter iter; + struct btree_iter_stack iter; const char *err; for_each_key(b, k, &iter) { @@ -879,7 +879,7 @@ unsigned int bch_btree_insert_key(struct btree_keys *b, struct bkey *k, unsigned int status = BTREE_INSERT_STATUS_NO_INSERT; struct bset *i = bset_tree_last(b)->data; struct bkey *m, *prev = NULL; - struct btree_iter iter; + struct btree_iter_stack iter; struct bkey preceding_key_on_stack = ZERO_KEY; struct bkey *preceding_key_p = &preceding_key_on_stack; @@ -895,9 +895,9 @@ unsigned int bch_btree_insert_key(struct btree_keys *b, struct bkey *k, else preceding_key(k, &preceding_key_p); - m = bch_btree_iter_init(b, &iter, preceding_key_p); + m = bch_btree_iter_stack_init(b, &iter, preceding_key_p); - if (b->ops->insert_fixup(b, k, &iter, replace_key)) + if (b->ops->insert_fixup(b, k, &iter.iter, replace_key)) return status; status = BTREE_INSERT_STATUS_INSERT; @@ -1100,33 +1100,33 @@ void bch_btree_iter_push(struct btree_iter *iter, struct bkey *k, btree_iter_cmp)); } -static struct bkey *__bch_btree_iter_init(struct btree_keys *b, - struct btree_iter *iter, - struct bkey *search, - struct bset_tree *start) +static struct bkey *__bch_btree_iter_stack_init(struct btree_keys *b, + struct btree_iter_stack *iter, + struct bkey *search, + struct bset_tree *start) { struct bkey *ret = NULL; - iter->size = ARRAY_SIZE(iter->data); - iter->used = 0; + iter->iter.size = ARRAY_SIZE(iter->stack_data); + iter->iter.used = 0; #ifdef CONFIG_BCACHE_DEBUG - iter->b = b; + iter->iter.b = b; #endif for (; start <= bset_tree_last(b); start++) { ret = bch_bset_search(b, start, search); - bch_btree_iter_push(iter, ret, bset_bkey_last(start->data)); + bch_btree_iter_push(&iter->iter, ret, bset_bkey_last(start->data)); } return ret; } -struct bkey *bch_btree_iter_init(struct btree_keys *b, - struct btree_iter *iter, +struct bkey *bch_btree_iter_stack_init(struct btree_keys *b, + struct btree_iter_stack *iter, struct bkey *search) { - return __bch_btree_iter_init(b, iter, search, b->set); + return __bch_btree_iter_stack_init(b, iter, search, b->set); } static inline struct bkey *__bch_btree_iter_next(struct btree_iter *iter, @@ -1293,10 +1293,10 @@ void bch_btree_sort_partial(struct btree_keys *b, unsigned int start, struct bset_sort_state *state) { size_t order = b->page_order, keys = 0; - struct btree_iter iter; + struct btree_iter_stack iter; int oldsize = bch_count_data(b); - __bch_btree_iter_init(b, &iter, NULL, &b->set[start]); + __bch_btree_iter_stack_init(b, &iter, NULL, &b->set[start]); if (start) { unsigned int i; @@ -1307,7 +1307,7 @@ void bch_btree_sort_partial(struct btree_keys *b, unsigned int start, order = get_order(__set_bytes(b->set->data, keys)); } - __btree_sort(b, &iter, start, order, false, state); + __btree_sort(b, &iter.iter, start, order, false, state); EBUG_ON(oldsize >= 0 && bch_count_data(b) != oldsize); } @@ -1323,11 +1323,11 @@ void bch_btree_sort_into(struct btree_keys *b, struct btree_keys *new, struct bset_sort_state *state) { uint64_t start_time = local_clock(); - struct btree_iter iter; + struct btree_iter_stack iter; - bch_btree_iter_init(b, &iter, NULL); + bch_btree_iter_stack_init(b, &iter, NULL); - btree_mergesort(b, new->set->data, &iter, false, true); + btree_mergesort(b, new->set->data, &iter.iter, false, true); bch_time_stats_update(&state->time, start_time); diff --git a/drivers/md/bcache/bset.h b/drivers/md/bcache/bset.h index a50dcfda65..2ed6dbd35d 100644 --- a/drivers/md/bcache/bset.h +++ b/drivers/md/bcache/bset.h @@ -321,7 +321,14 @@ struct btree_iter { #endif struct btree_iter_set { struct bkey *k, *end; - } data[MAX_BSETS]; + } data[]; +}; + +/* Fixed-size btree_iter that can be allocated on the stack */ + +struct btree_iter_stack { + struct btree_iter iter; + struct btree_iter_set stack_data[MAX_BSETS]; }; typedef bool (*ptr_filter_fn)(struct btree_keys *b, const struct bkey *k); @@ -333,9 +340,9 @@ struct bkey *bch_btree_iter_next_filter(struct btree_iter *iter, void bch_btree_iter_push(struct btree_iter *iter, struct bkey *k, struct bkey *end); -struct bkey *bch_btree_iter_init(struct btree_keys *b, - struct btree_iter *iter, - struct bkey *search); +struct bkey *bch_btree_iter_stack_init(struct btree_keys *b, + struct btree_iter_stack *iter, + struct bkey *search); struct bkey *__bch_bset_search(struct btree_keys *b, struct bset_tree *t, const struct bkey *search); @@ -350,13 +357,14 @@ static inline struct bkey *bch_bset_search(struct btree_keys *b, return search ? __bch_bset_search(b, t, search) : t->data->start; } -#define for_each_key_filter(b, k, iter, filter) \ - for (bch_btree_iter_init((b), (iter), NULL); \ - ((k) = bch_btree_iter_next_filter((iter), (b), filter));) +#define for_each_key_filter(b, k, stack_iter, filter) \ + for (bch_btree_iter_stack_init((b), (stack_iter), NULL); \ + ((k) = bch_btree_iter_next_filter(&((stack_iter)->iter), (b), \ + filter));) -#define for_each_key(b, k, iter) \ - for (bch_btree_iter_init((b), (iter), NULL); \ - ((k) = bch_btree_iter_next(iter));) +#define for_each_key(b, k, stack_iter) \ + for (bch_btree_iter_stack_init((b), (stack_iter), NULL); \ + ((k) = bch_btree_iter_next(&((stack_iter)->iter)));) /* Sorting */ diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index e22dfcf1ed..066b4aafd4 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -1283,7 +1283,7 @@ static bool btree_gc_mark_node(struct btree *b, struct gc_stat *gc) uint8_t stale = 0; unsigned int keys = 0, good_keys = 0; struct bkey *k; - struct btree_iter iter; + struct btree_iter_stack iter; struct bset_tree *t; gc->nodes++; @@ -1544,7 +1544,7 @@ static int btree_gc_rewrite_node(struct btree *b, struct btree_op *op, static unsigned int btree_gc_count_keys(struct btree *b) { struct bkey *k; - struct btree_iter iter; + struct btree_iter_stack iter; unsigned int ret = 0; for_each_key_filter(&b->keys, k, &iter, bch_ptr_bad) @@ -1585,17 +1585,18 @@ static int btree_gc_recurse(struct btree *b, struct btree_op *op, int ret = 0; bool should_rewrite; struct bkey *k; - struct btree_iter iter; + struct btree_iter_stack iter; struct gc_merge_info r[GC_MERGE_NODES]; struct gc_merge_info *i, *last = r + ARRAY_SIZE(r) - 1; - bch_btree_iter_init(&b->keys, &iter, &b->c->gc_done); + bch_btree_iter_stack_init(&b->keys, &iter, &b->c->gc_done); for (i = r; i < r + ARRAY_SIZE(r); i++) i->b = ERR_PTR(-EINTR); while (1) { - k = bch_btree_iter_next_filter(&iter, &b->keys, bch_ptr_bad); + k = bch_btree_iter_next_filter(&iter.iter, &b->keys, + bch_ptr_bad); if (k) { r->b = bch_btree_node_get(b->c, op, k, b->level - 1, true, b); @@ -1885,7 +1886,7 @@ static int bch_btree_check_recurse(struct btree *b, struct btree_op *op) { int ret = 0; struct bkey *k, *p = NULL; - struct btree_iter iter; + struct btree_iter_stack iter; for_each_key_filter(&b->keys, k, &iter, bch_ptr_invalid) bch_initial_mark_key(b->c, b->level, k); @@ -1893,10 +1894,10 @@ static int bch_btree_check_recurse(struct btree *b, struct btree_op *op) bch_initial_mark_key(b->c, b->level + 1, &b->key); if (b->level) { - bch_btree_iter_init(&b->keys, &iter, NULL); + bch_btree_iter_stack_init(&b->keys, &iter, NULL); do { - k = bch_btree_iter_next_filter(&iter, &b->keys, + k = bch_btree_iter_next_filter(&iter.iter, &b->keys, bch_ptr_bad); if (k) { btree_node_prefetch(b, k); @@ -1924,7 +1925,7 @@ static int bch_btree_check_thread(void *arg) struct btree_check_info *info = arg; struct btree_check_state *check_state = info->state; struct cache_set *c = check_state->c; - struct btree_iter iter; + struct btree_iter_stack iter; struct bkey *k, *p; int cur_idx, prev_idx, skip_nr; @@ -1933,8 +1934,8 @@ static int bch_btree_check_thread(void *arg) ret = 0; /* root node keys are checked before thread created */ - bch_btree_iter_init(&c->root->keys, &iter, NULL); - k = bch_btree_iter_next_filter(&iter, &c->root->keys, bch_ptr_bad); + bch_btree_iter_stack_init(&c->root->keys, &iter, NULL); + k = bch_btree_iter_next_filter(&iter.iter, &c->root->keys, bch_ptr_bad); BUG_ON(!k); p = k; @@ -1952,7 +1953,7 @@ static int bch_btree_check_thread(void *arg) skip_nr = cur_idx - prev_idx; while (skip_nr) { - k = bch_btree_iter_next_filter(&iter, + k = bch_btree_iter_next_filter(&iter.iter, &c->root->keys, bch_ptr_bad); if (k) @@ -2025,7 +2026,7 @@ int bch_btree_check(struct cache_set *c) int ret = 0; int i; struct bkey *k = NULL; - struct btree_iter iter; + struct btree_iter_stack iter; struct btree_check_state check_state; /* check and mark root node keys */ @@ -2521,11 +2522,11 @@ static int bch_btree_map_nodes_recurse(struct btree *b, struct btree_op *op, if (b->level) { struct bkey *k; - struct btree_iter iter; + struct btree_iter_stack iter; - bch_btree_iter_init(&b->keys, &iter, from); + bch_btree_iter_stack_init(&b->keys, &iter, from); - while ((k = bch_btree_iter_next_filter(&iter, &b->keys, + while ((k = bch_btree_iter_next_filter(&iter.iter, &b->keys, bch_ptr_bad))) { ret = bcache_btree(map_nodes_recurse, k, b, op, from, fn, flags); @@ -2554,11 +2555,12 @@ int bch_btree_map_keys_recurse(struct btree *b, struct btree_op *op, { int ret = MAP_CONTINUE; struct bkey *k; - struct btree_iter iter; + struct btree_iter_stack iter; - bch_btree_iter_init(&b->keys, &iter, from); + bch_btree_iter_stack_init(&b->keys, &iter, from); - while ((k = bch_btree_iter_next_filter(&iter, &b->keys, bch_ptr_bad))) { + while ((k = bch_btree_iter_next_filter(&iter.iter, &b->keys, + bch_ptr_bad))) { ret = !b->level ? fn(op, b, k) : bcache_btree(map_keys_recurse, k, diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 8ec48d8a58..48624e6bf0 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -1920,8 +1920,9 @@ struct cache_set *bch_cache_set_alloc(struct cache_sb *sb) INIT_LIST_HEAD(&c->btree_cache_freed); INIT_LIST_HEAD(&c->data_buckets); - iter_size = ((meta_bucket_pages(sb) * PAGE_SECTORS) / sb->block_size + 1) * - sizeof(struct btree_iter_set); + iter_size = sizeof(struct btree_iter) + + ((meta_bucket_pages(sb) * PAGE_SECTORS) / sb->block_size) * + sizeof(struct btree_iter_set); c->devices = kcalloc(c->nr_uuids, sizeof(void *), GFP_KERNEL); if (!c->devices) diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index fa14601200..7024eaed8d 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -658,7 +658,7 @@ static unsigned int bch_root_usage(struct cache_set *c) unsigned int bytes = 0; struct bkey *k; struct btree *b; - struct btree_iter iter; + struct btree_iter_stack iter; goto lock_root; diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c index 1e96679afc..142eaf0ff9 100644 --- a/drivers/md/bcache/writeback.c +++ b/drivers/md/bcache/writeback.c @@ -898,15 +898,15 @@ static int bch_dirty_init_thread(void *arg) struct dirty_init_thrd_info *info = arg; struct bch_dirty_init_state *state = info->state; struct cache_set *c = state->c; - struct btree_iter iter; + struct btree_iter_stack iter; struct bkey *k, *p; int cur_idx, prev_idx, skip_nr; k = p = NULL; prev_idx = 0; - bch_btree_iter_init(&c->root->keys, &iter, NULL); - k = bch_btree_iter_next_filter(&iter, &c->root->keys, bch_ptr_bad); + bch_btree_iter_stack_init(&c->root->keys, &iter, NULL); + k = bch_btree_iter_next_filter(&iter.iter, &c->root->keys, bch_ptr_bad); BUG_ON(!k); p = k; @@ -920,7 +920,7 @@ static int bch_dirty_init_thread(void *arg) skip_nr = cur_idx - prev_idx; while (skip_nr) { - k = bch_btree_iter_next_filter(&iter, + k = bch_btree_iter_next_filter(&iter.iter, &c->root->keys, bch_ptr_bad); if (k) @@ -969,7 +969,7 @@ void bch_sectors_dirty_init(struct bcache_device *d) int i; struct btree *b = NULL; struct bkey *k = NULL; - struct btree_iter iter; + struct btree_iter_stack iter; struct sectors_dirty_init op; struct cache_set *c = d->c; struct bch_dirty_init_state state; diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 24cd28ea2c..31c4100d38 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -1988,7 +1988,6 @@ struct cache_args { sector_t cache_sectors; struct dm_dev *origin_dev; - sector_t origin_sectors; uint32_t block_size; @@ -2070,6 +2069,7 @@ static int parse_cache_dev(struct cache_args *ca, struct dm_arg_set *as, static int parse_origin_dev(struct cache_args *ca, struct dm_arg_set *as, char **error) { + sector_t origin_sectors; int r; if (!at_least_one_arg(as, error)) @@ -2082,8 +2082,8 @@ static int parse_origin_dev(struct cache_args *ca, struct dm_arg_set *as, return r; } - ca->origin_sectors = get_dev_size(ca->origin_dev); - if (ca->ti->len > ca->origin_sectors) { + origin_sectors = get_dev_size(ca->origin_dev); + if (ca->ti->len > origin_sectors) { *error = "Device size larger than cached device"; return -EINVAL; } @@ -2392,7 +2392,7 @@ static int cache_create(struct cache_args *ca, struct cache **result) ca->metadata_dev = ca->origin_dev = ca->cache_dev = NULL; - origin_blocks = cache->origin_sectors = ca->origin_sectors; + origin_blocks = cache->origin_sectors = ti->len; origin_blocks = block_div(origin_blocks, ca->block_size); cache->origin_blocks = to_oblock(origin_blocks); @@ -2880,19 +2880,19 @@ static dm_cblock_t get_cache_dev_size(struct cache *cache) static bool can_resize(struct cache *cache, dm_cblock_t new_size) { if (from_cblock(new_size) > from_cblock(cache->cache_size)) { - if (cache->sized) { - DMERR("%s: unable to extend cache due to missing cache table reload", - cache_device_name(cache)); - return false; - } + DMERR("%s: unable to extend cache due to missing cache table reload", + cache_device_name(cache)); + return false; } /* * We can't drop a dirty block when shrinking the cache. */ - while (from_cblock(new_size) < from_cblock(cache->cache_size)) { - new_size = to_cblock(from_cblock(new_size) + 1); - if (is_dirty(cache, new_size)) { + if (cache->loaded_mappings) { + new_size = to_cblock(find_next_bit(cache->dirty_bitset, + from_cblock(cache->cache_size), + from_cblock(new_size))); + if (new_size != cache->cache_size) { DMERR("%s: unable to shrink cache; cache block %llu is dirty", cache_device_name(cache), (unsigned long long) from_cblock(new_size)); @@ -2928,20 +2928,15 @@ static int cache_preresume(struct dm_target *ti) /* * Check to see if the cache has resized. */ - if (!cache->sized) { - r = resize_cache_dev(cache, csize); - if (r) - return r; - - cache->sized = true; - - } else if (csize != cache->cache_size) { + if (!cache->sized || csize != cache->cache_size) { if (!can_resize(cache, csize)) return -EINVAL; r = resize_cache_dev(cache, csize); if (r) return r; + + cache->sized = true; } if (!cache->loaded_mappings) { diff --git a/drivers/md/dm-clone-metadata.c b/drivers/md/dm-clone-metadata.c index c43d55672b..47c1fa7aad 100644 --- a/drivers/md/dm-clone-metadata.c +++ b/drivers/md/dm-clone-metadata.c @@ -465,11 +465,6 @@ static void __destroy_persistent_data_structures(struct dm_clone_metadata *cmd) /*---------------------------------------------------------------------------*/ -static size_t bitmap_size(unsigned long nr_bits) -{ - return BITS_TO_LONGS(nr_bits) * sizeof(long); -} - static int __dirty_map_init(struct dirty_map *dmap, unsigned long nr_words, unsigned long nr_regions) { diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index a3db76dcdb..6e392f3cbd 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -69,10 +69,8 @@ struct dm_crypt_io { struct bio *base_bio; u8 *integrity_metadata; bool integrity_metadata_from_pool:1; - bool in_tasklet:1; struct work_struct work; - struct tasklet_struct tasklet; struct convert_context ctx; @@ -1725,7 +1723,6 @@ static void crypt_io_init(struct dm_crypt_io *io, struct crypt_config *cc, io->ctx.r.req = NULL; io->integrity_metadata = NULL; io->integrity_metadata_from_pool = false; - io->in_tasklet = false; atomic_set(&io->io_pending, 0); } @@ -1734,12 +1731,6 @@ static void crypt_inc_pending(struct dm_crypt_io *io) atomic_inc(&io->io_pending); } -static void kcryptd_io_bio_endio(struct work_struct *work) -{ - struct dm_crypt_io *io = container_of(work, struct dm_crypt_io, work); - bio_endio(io->base_bio); -} - /* * One of the bios was finished. Check for completion of * the whole request and correctly clean up the buffer. @@ -1763,20 +1754,6 @@ static void crypt_dec_pending(struct dm_crypt_io *io) base_bio->bi_status = error; - /* - * If we are running this function from our tasklet, - * we can't call bio_endio() here, because it will call - * clone_endio() from dm.c, which in turn will - * free the current struct dm_crypt_io structure with - * our tasklet. In this case we need to delay bio_endio() - * execution to after the tasklet is done and dequeued. - */ - if (io->in_tasklet) { - INIT_WORK(&io->work, kcryptd_io_bio_endio); - queue_work(cc->io_queue, &io->work); - return; - } - bio_endio(base_bio); } @@ -2220,11 +2197,6 @@ static void kcryptd_crypt(struct work_struct *work) kcryptd_crypt_write_convert(io); } -static void kcryptd_crypt_tasklet(unsigned long work) -{ - kcryptd_crypt((struct work_struct *)work); -} - static void kcryptd_queue_crypt(struct dm_crypt_io *io) { struct crypt_config *cc = io->cc; @@ -2236,15 +2208,10 @@ static void kcryptd_queue_crypt(struct dm_crypt_io *io) * irqs_disabled(): the kernel may run some IO completion from the idle thread, but * it is being executed with irqs disabled. */ - if (in_hardirq() || irqs_disabled()) { - io->in_tasklet = true; - tasklet_init(&io->tasklet, kcryptd_crypt_tasklet, (unsigned long)&io->work); - tasklet_schedule(&io->tasklet); + if (!(in_hardirq() || irqs_disabled())) { + kcryptd_crypt(&io->work); return; } - - kcryptd_crypt(&io->work); - return; } INIT_WORK(&io->work, kcryptd_crypt); diff --git a/drivers/md/dm-init.c b/drivers/md/dm-init.c index dc4381d683..6e9e73a558 100644 --- a/drivers/md/dm-init.c +++ b/drivers/md/dm-init.c @@ -213,8 +213,10 @@ static char __init *dm_parse_device_entry(struct dm_device *dev, char *str) strscpy(dev->dmi.uuid, field[1], sizeof(dev->dmi.uuid)); /* minor */ if (strlen(field[2])) { - if (kstrtoull(field[2], 0, &dev->dmi.dev)) + if (kstrtoull(field[2], 0, &dev->dmi.dev) || + dev->dmi.dev >= (1 << MINORBITS)) return ERR_PTR(-EINVAL); + dev->dmi.dev = huge_encode_dev((dev_t)dev->dmi.dev); dev->dmi.flags |= DM_PERSISTENT_DEV_FLAG; } /* flags */ diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index c1bcc857c1..fb0987e716 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1151,8 +1151,26 @@ static int do_resume(struct dm_ioctl *param) suspend_flags &= ~DM_SUSPEND_LOCKFS_FLAG; if (param->flags & DM_NOFLUSH_FLAG) suspend_flags |= DM_SUSPEND_NOFLUSH_FLAG; - if (!dm_suspended_md(md)) - dm_suspend(md, suspend_flags); + if (!dm_suspended_md(md)) { + r = dm_suspend(md, suspend_flags); + if (r) { + down_write(&_hash_lock); + hc = dm_get_mdptr(md); + if (hc && !hc->new_map) { + hc->new_map = new_map; + new_map = NULL; + } else { + r = -ENXIO; + } + up_write(&_hash_lock); + if (new_map) { + dm_sync_table(md); + dm_table_destroy(new_map); + } + dm_put(md); + return r; + } + } old_size = dm_get_size(md); old_map = dm_swap_table(md, new_map); diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c index 53a9b16c7b..7eedcd012f 100644 --- a/drivers/md/dm-rq.c +++ b/drivers/md/dm-rq.c @@ -504,8 +504,10 @@ static blk_status_t dm_mq_queue_rq(struct blk_mq_hw_ctx *hctx, map = dm_get_live_table(md, &srcu_idx); if (unlikely(!map)) { + DMERR_LIMIT("%s: mapping table unavailable, erroring io", + dm_device_name(md)); dm_put_live_table(md, srcu_idx); - return BLK_STS_RESOURCE; + return BLK_STS_IOERR; } ti = dm_table_find_target(map, 0); dm_put_live_table(md, srcu_idx); diff --git a/drivers/md/dm-unstripe.c b/drivers/md/dm-unstripe.c index fdc8921e5c..e69d297b91 100644 --- a/drivers/md/dm-unstripe.c +++ b/drivers/md/dm-unstripe.c @@ -84,8 +84,8 @@ static int unstripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) } uc->physical_start = start; - uc->unstripe_offset = uc->unstripe * uc->chunk_size; - uc->unstripe_width = (uc->stripes - 1) * uc->chunk_size; + uc->unstripe_offset = (sector_t)uc->unstripe * uc->chunk_size; + uc->unstripe_width = (sector_t)(uc->stripes - 1) * uc->chunk_size; uc->chunk_shift = is_power_of_2(uc->chunk_size) ? fls(uc->chunk_size) - 1 : 0; tmp_len = ti->len; diff --git a/drivers/md/dm.c b/drivers/md/dm.c index fd9bb8b532..8b192fc1f7 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1593,10 +1593,15 @@ static blk_qc_t dm_submit_bio(struct bio *bio) struct dm_table *map; map = dm_get_live_table(md, &srcu_idx); + if (unlikely(!map)) { + DMERR_LIMIT("%s: mapping table unavailable, erroring io", + dm_device_name(md)); + bio_io_error(bio); + goto out; + } - /* If suspended, or map not yet available, queue this IO for later */ - if (unlikely(test_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags)) || - unlikely(!map)) { + /* If suspended, queue this IO for later */ + if (unlikely(test_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags))) { if (bio->bi_opf & REQ_NOWAIT) bio_wouldblock_error(bio); else if (bio->bi_opf & REQ_RAHEAD) @@ -2255,7 +2260,7 @@ static int dm_wait_for_bios_completion(struct mapped_device *md, unsigned int ta break; if (signal_pending_state(task_state, current)) { - r = -EINTR; + r = -ERESTARTSYS; break; } @@ -2280,7 +2285,7 @@ static int dm_wait_for_completion(struct mapped_device *md, unsigned int task_st break; if (signal_pending_state(task_state, current)) { - r = -EINTR; + r = -ERESTARTSYS; break; } diff --git a/drivers/md/md.c b/drivers/md/md.c index 45ef1ddd2b..332458ad96 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -509,7 +509,6 @@ void mddev_suspend(struct mddev *mddev) clear_bit_unlock(MD_ALLOW_SB_UPDATE, &mddev->flags); wait_event(mddev->sb_wait, !test_bit(MD_UPDATING_SB, &mddev->flags)); - del_timer_sync(&mddev->safemode_timer); /* restrict memory reclaim I/O during raid array is suspend */ mddev->noio_flag = memalloc_noio_save(); } @@ -7590,11 +7589,6 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode, mddev = bdev->bd_disk->private_data; - if (!mddev) { - BUG(); - goto out; - } - /* Some actions do not requires the mutex */ switch (cmd) { case GET_ARRAY_INFO: diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c index 392ae26134..c8451ffd23 100644 --- a/drivers/md/persistent-data/dm-space-map-metadata.c +++ b/drivers/md/persistent-data/dm-space-map-metadata.c @@ -274,7 +274,7 @@ static void sm_metadata_destroy(struct dm_space_map *sm) { struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm); - kfree(smm); + kvfree(smm); } static int sm_metadata_get_nr_blocks(struct dm_space_map *sm, dm_block_t *count) @@ -768,7 +768,7 @@ struct dm_space_map *dm_sm_metadata_init(void) { struct sm_metadata *smm; - smm = kmalloc(sizeof(*smm), GFP_KERNEL); + smm = kvmalloc(sizeof(*smm), GFP_KERNEL); if (!smm) return ERR_PTR(-ENOMEM); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index ae84aaa164..bdd5a564e3 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3443,7 +3443,6 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, sector_t sect; int must_sync; int any_working; - int need_recover = 0; struct raid10_info *mirror = &conf->mirrors[i]; struct md_rdev *mrdev, *mreplace; @@ -3451,14 +3450,13 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, mrdev = rcu_dereference(mirror->rdev); mreplace = rcu_dereference(mirror->replacement); - if (mrdev != NULL && - !test_bit(Faulty, &mrdev->flags) && - !test_bit(In_sync, &mrdev->flags)) - need_recover = 1; + if (mrdev && (test_bit(Faulty, &mrdev->flags) || + test_bit(In_sync, &mrdev->flags))) + mrdev = NULL; if (mreplace && test_bit(Faulty, &mreplace->flags)) mreplace = NULL; - if (!need_recover && !mreplace) { + if (!mrdev && !mreplace) { rcu_read_unlock(); continue; } @@ -3492,7 +3490,8 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, rcu_read_unlock(); continue; } - atomic_inc(&mrdev->nr_pending); + if (mrdev) + atomic_inc(&mrdev->nr_pending); if (mreplace) atomic_inc(&mreplace->nr_pending); rcu_read_unlock(); @@ -3579,7 +3578,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, r10_bio->devs[1].devnum = i; r10_bio->devs[1].addr = to_addr; - if (need_recover) { + if (mrdev) { bio = r10_bio->devs[1].bio; bio->bi_next = biolist; biolist = bio; @@ -3624,7 +3623,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, for (k = 0; k < conf->copies; k++) if (r10_bio->devs[k].devnum == i) break; - if (!test_bit(In_sync, + if (mrdev && !test_bit(In_sync, &mrdev->flags) && !rdev_set_badblocks( mrdev, @@ -3650,12 +3649,14 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, if (rb2) atomic_dec(&rb2->remaining); r10_bio = rb2; - rdev_dec_pending(mrdev, mddev); + if (mrdev) + rdev_dec_pending(mrdev, mddev); if (mreplace) rdev_dec_pending(mreplace, mddev); break; } - rdev_dec_pending(mrdev, mddev); + if (mrdev) + rdev_dec_pending(mrdev, mddev); if (mreplace) rdev_dec_pending(mreplace, mddev); if (r10_bio->devs[0].bio->bi_opf & MD_FAILFAST) { diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index bcd43cca94..87b713142e 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -6007,7 +6007,9 @@ static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr, int *sk safepos = conf->reshape_safe; sector_div(safepos, data_disks); if (mddev->reshape_backwards) { - BUG_ON(writepos < reshape_sectors); + if (WARN_ON(writepos < reshape_sectors)) + return MaxSector; + writepos -= reshape_sectors; readpos += reshape_sectors; safepos += reshape_sectors; @@ -6025,14 +6027,18 @@ static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr, int *sk * to set 'stripe_addr' which is where we will write to. */ if (mddev->reshape_backwards) { - BUG_ON(conf->reshape_progress == 0); + if (WARN_ON(conf->reshape_progress == 0)) + return MaxSector; + stripe_addr = writepos; - BUG_ON((mddev->dev_sectors & - ~((sector_t)reshape_sectors - 1)) - - reshape_sectors - stripe_addr - != sector_nr); + if (WARN_ON((mddev->dev_sectors & + ~((sector_t)reshape_sectors - 1)) - + reshape_sectors - stripe_addr != sector_nr)) + return MaxSector; } else { - BUG_ON(writepos != sector_nr + reshape_sectors); + if (WARN_ON(writepos != sector_nr + reshape_sectors)) + return MaxSector; + stripe_addr = sector_nr; } diff --git a/drivers/media/cec/usb/pulse8/pulse8-cec.c b/drivers/media/cec/usb/pulse8/pulse8-cec.c index ba67587bd4..171366fe35 100644 --- a/drivers/media/cec/usb/pulse8/pulse8-cec.c +++ b/drivers/media/cec/usb/pulse8/pulse8-cec.c @@ -685,7 +685,7 @@ static int pulse8_setup(struct pulse8 *pulse8, struct serio *serio, err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 4); if (err) return err; - date = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3]; + date = ((unsigned)data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3]; dev_info(pulse8->dev, "Firmware build date %ptT\n", &date); dev_dbg(pulse8->dev, "Persistent config:\n"); diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c index 68968bfa2e..533c8bb8fd 100644 --- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c +++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c @@ -1789,6 +1789,9 @@ static void tpg_precalculate_line(struct tpg_data *tpg) unsigned p; unsigned x; + if (WARN_ON_ONCE(!tpg->src_width || !tpg->scaled_width)) + return; + switch (tpg->pattern) { case TPG_PAT_GREEN: contrast = TPG_COLOR_100_RED; diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c index 30c8497f7c..b66e80e692 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -302,6 +302,10 @@ static void __vb2_plane_dmabuf_put(struct vb2_buffer *vb, struct vb2_plane *p) p->mem_priv = NULL; p->dbuf = NULL; p->dbuf_mapped = 0; + p->bytesused = 0; + p->length = 0; + p->m.fd = 0; + p->data_offset = 0; } /* @@ -1280,10 +1284,6 @@ static int __prepare_dmabuf(struct vb2_buffer *vb) /* Release previously acquired memory if present */ __vb2_plane_dmabuf_put(vb, &vb->planes[plane]); - vb->planes[plane].bytesused = 0; - vb->planes[plane].length = 0; - vb->planes[plane].m.fd = 0; - vb->planes[plane].data_offset = 0; /* Acquire each plane's memory */ mem_priv = call_ptr_memop(attach_dmabuf, diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c index fea62bce97..762058d748 100644 --- a/drivers/media/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb-core/dvb_frontend.c @@ -443,8 +443,8 @@ static int dvb_frontend_swzigzag_autotune(struct dvb_frontend *fe, int check_wra default: fepriv->auto_step++; - fepriv->auto_sub_step = -1; /* it'll be incremented to 0 in a moment */ - break; + fepriv->auto_sub_step = 0; + continue; } if (!ready) fepriv->auto_sub_step++; @@ -2160,7 +2160,8 @@ static int dvb_frontend_handle_compat_ioctl(struct file *file, unsigned int cmd, if (!tvps->num || (tvps->num > DTV_IOCTL_MAX_MSGS)) return -EINVAL; - tvp = memdup_user(compat_ptr(tvps->props), tvps->num * sizeof(*tvp)); + tvp = memdup_array_user(compat_ptr(tvps->props), + tvps->num, sizeof(*tvp)); if (IS_ERR(tvp)) return PTR_ERR(tvp); @@ -2191,7 +2192,8 @@ static int dvb_frontend_handle_compat_ioctl(struct file *file, unsigned int cmd, if (!tvps->num || (tvps->num > DTV_IOCTL_MAX_MSGS)) return -EINVAL; - tvp = memdup_user(compat_ptr(tvps->props), tvps->num * sizeof(*tvp)); + tvp = memdup_array_user(compat_ptr(tvps->props), + tvps->num, sizeof(*tvp)); if (IS_ERR(tvp)) return PTR_ERR(tvp); @@ -2368,7 +2370,8 @@ static int dvb_get_property(struct dvb_frontend *fe, struct file *file, if (!tvps->num || tvps->num > DTV_IOCTL_MAX_MSGS) return -EINVAL; - tvp = memdup_user((void __user *)tvps->props, tvps->num * sizeof(*tvp)); + tvp = memdup_array_user((void __user *)tvps->props, + tvps->num, sizeof(*tvp)); if (IS_ERR(tvp)) return PTR_ERR(tvp); @@ -2446,7 +2449,8 @@ static int dvb_frontend_handle_ioctl(struct file *file, if (!tvps->num || (tvps->num > DTV_IOCTL_MAX_MSGS)) return -EINVAL; - tvp = memdup_user((void __user *)tvps->props, tvps->num * sizeof(*tvp)); + tvp = memdup_array_user((void __user *)tvps->props, + tvps->num, sizeof(*tvp)); if (IS_ERR(tvp)) return PTR_ERR(tvp); diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c index 23a0c20974..71344ae26f 100644 --- a/drivers/media/dvb-core/dvbdev.c +++ b/drivers/media/dvb-core/dvbdev.c @@ -96,10 +96,15 @@ static DECLARE_RWSEM(minor_rwsem); static int dvb_device_open(struct inode *inode, struct file *file) { struct dvb_device *dvbdev; + unsigned int minor = iminor(inode); + + if (minor >= MAX_DVB_MINORS) + return -ENODEV; mutex_lock(&dvbdev_mutex); down_read(&minor_rwsem); - dvbdev = dvb_minors[iminor(inode)]; + + dvbdev = dvb_minors[minor]; if (dvbdev && dvbdev->fops) { int err = 0; @@ -539,7 +544,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, for (minor = 0; minor < MAX_DVB_MINORS; minor++) if (dvb_minors[minor] == NULL) break; - if (minor == MAX_DVB_MINORS) { + if (minor >= MAX_DVB_MINORS) { if (new_node) { list_del (&new_node->list_head); kfree(dvbdevfops); @@ -554,6 +559,14 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, } #else minor = nums2minor(adap->num, type, id); + if (minor >= MAX_DVB_MINORS) { + dvb_media_device_free(dvbdev); + list_del(&dvbdev->list_head); + kfree(dvbdev); + *pdvbdev = NULL; + mutex_unlock(&dvbdev_register_lock); + return ret; + } #endif dvbdev->minor = minor; dvb_minors[minor] = dvb_device_get(dvbdev); @@ -974,7 +987,7 @@ int dvb_usercopy(struct file *file, int (*func)(struct file *file, unsigned int cmd, void *arg)) { - char sbuf[128]; + char sbuf[128] = {}; void *mbuf = NULL; void *parg = NULL; int err = -EINVAL; diff --git a/drivers/media/dvb-frontends/as102_fe_types.h b/drivers/media/dvb-frontends/as102_fe_types.h index 297f9520eb..8a4e392c88 100644 --- a/drivers/media/dvb-frontends/as102_fe_types.h +++ b/drivers/media/dvb-frontends/as102_fe_types.h @@ -174,6 +174,6 @@ struct as10x_register_addr { uint32_t addr; /* register mode access */ uint8_t mode; -}; +} __packed; #endif diff --git a/drivers/media/dvb-frontends/cx24116.c b/drivers/media/dvb-frontends/cx24116.c index 8b978a9f74..f5dd3a8172 100644 --- a/drivers/media/dvb-frontends/cx24116.c +++ b/drivers/media/dvb-frontends/cx24116.c @@ -741,6 +741,7 @@ static int cx24116_read_snr_pct(struct dvb_frontend *fe, u16 *snr) { struct cx24116_state *state = fe->demodulator_priv; u8 snr_reading; + int ret; static const u32 snr_tab[] = { /* 10 x Table (rounded up) */ 0x00000, 0x0199A, 0x03333, 0x04ccD, 0x06667, 0x08000, 0x0999A, 0x0b333, 0x0cccD, 0x0e667, @@ -749,7 +750,11 @@ static int cx24116_read_snr_pct(struct dvb_frontend *fe, u16 *snr) dprintk("%s()\n", __func__); - snr_reading = cx24116_readreg(state, CX24116_REG_QUALITY0); + ret = cx24116_readreg(state, CX24116_REG_QUALITY0); + if (ret < 0) + return ret; + + snr_reading = ret; if (snr_reading >= 0xa0 /* 100% */) *snr = 0xffff; diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c index e6b8367c8c..84c00c6894 100644 --- a/drivers/media/dvb-frontends/rtl2830.c +++ b/drivers/media/dvb-frontends/rtl2830.c @@ -609,7 +609,7 @@ static int rtl2830_pid_filter(struct dvb_frontend *fe, u8 index, u16 pid, int on index, pid, onoff); /* skip invalid PIDs (0x2000) */ - if (pid > 0x1fff || index > 32) + if (pid > 0x1fff || index >= 32) return 0; if (onoff) diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c index dcbeb9f5e1..7b0d6be9bf 100644 --- a/drivers/media/dvb-frontends/rtl2832.c +++ b/drivers/media/dvb-frontends/rtl2832.c @@ -983,7 +983,7 @@ static int rtl2832_pid_filter(struct dvb_frontend *fe, u8 index, u16 pid, index, pid, onoff, dev->slave_ts); /* skip invalid PIDs (0x2000) */ - if (pid > 0x1fff || index > 32) + if (pid > 0x1fff || index >= 32) return 0; if (onoff) diff --git a/drivers/media/dvb-frontends/stb0899_algo.c b/drivers/media/dvb-frontends/stb0899_algo.c index df89c33dac..40537c4ccb 100644 --- a/drivers/media/dvb-frontends/stb0899_algo.c +++ b/drivers/media/dvb-frontends/stb0899_algo.c @@ -269,7 +269,7 @@ static enum stb0899_status stb0899_search_carrier(struct stb0899_state *state) short int derot_freq = 0, last_derot_freq = 0, derot_limit, next_loop = 3; int index = 0; - u8 cfr[2]; + u8 cfr[2] = {0}; u8 reg; internal->status = NOCARRIER; diff --git a/drivers/media/dvb-frontends/tda10048.c b/drivers/media/dvb-frontends/tda10048.c index f1d5e77d5d..db829754f1 100644 --- a/drivers/media/dvb-frontends/tda10048.c +++ b/drivers/media/dvb-frontends/tda10048.c @@ -410,6 +410,7 @@ static int tda10048_set_if(struct dvb_frontend *fe, u32 bw) struct tda10048_config *config = &state->config; int i; u32 if_freq_khz; + u64 sample_freq; dprintk(1, "%s(bw = %d)\n", __func__, bw); @@ -451,9 +452,11 @@ static int tda10048_set_if(struct dvb_frontend *fe, u32 bw) dprintk(1, "- pll_pfactor = %d\n", state->pll_pfactor); /* Calculate the sample frequency */ - state->sample_freq = state->xtal_hz * (state->pll_mfactor + 45); - state->sample_freq /= (state->pll_nfactor + 1); - state->sample_freq /= (state->pll_pfactor + 4); + sample_freq = state->xtal_hz; + sample_freq *= state->pll_mfactor + 45; + do_div(sample_freq, state->pll_nfactor + 1); + do_div(sample_freq, state->pll_pfactor + 4); + state->sample_freq = sample_freq; dprintk(1, "- sample_freq = %d\n", state->sample_freq); /* Update the I/F */ diff --git a/drivers/media/dvb-frontends/tda18271c2dd.c b/drivers/media/dvb-frontends/tda18271c2dd.c index a348344879..fd92878720 100644 --- a/drivers/media/dvb-frontends/tda18271c2dd.c +++ b/drivers/media/dvb-frontends/tda18271c2dd.c @@ -328,7 +328,7 @@ static int CalcMainPLL(struct tda_state *state, u32 freq) OscFreq = (u64) freq * (u64) Div; OscFreq *= (u64) 16384; - do_div(OscFreq, (u64)16000000); + do_div(OscFreq, 16000000); MainDiv = OscFreq; state->m_Regs[MPD] = PostDiv & 0x77; @@ -352,7 +352,7 @@ static int CalcCalPLL(struct tda_state *state, u32 freq) OscFreq = (u64)freq * (u64)Div; /* CalDiv = u32( OscFreq * 16384 / 16000000 ); */ OscFreq *= (u64)16384; - do_div(OscFreq, (u64)16000000); + do_div(OscFreq, 16000000); CalDiv = OscFreq; state->m_Regs[CPD] = PostDiv; diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index d688ffff7a..5ed5a22b94 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -2517,10 +2517,10 @@ static int adv76xx_log_status(struct v4l2_subdev *sd) const struct adv76xx_chip_info *info = state->info; struct v4l2_dv_timings timings; struct stdi_readback stdi; - u8 reg_io_0x02 = io_read(sd, 0x02); + int ret; + u8 reg_io_0x02; u8 edid_enabled; u8 cable_det; - static const char * const csc_coeff_sel_rb[16] = { "bypassed", "YPbPr601 -> RGB", "reserved", "YPbPr709 -> RGB", "reserved", "RGB -> YPbPr601", "reserved", "RGB -> YPbPr709", @@ -2619,13 +2619,21 @@ static int adv76xx_log_status(struct v4l2_subdev *sd) v4l2_info(sd, "-----Color space-----\n"); v4l2_info(sd, "RGB quantization range ctrl: %s\n", rgb_quantization_range_txt[state->rgb_quantization_range]); - v4l2_info(sd, "Input color space: %s\n", - input_color_space_txt[reg_io_0x02 >> 4]); - v4l2_info(sd, "Output color space: %s %s, alt-gamma %s\n", - (reg_io_0x02 & 0x02) ? "RGB" : "YCbCr", - (((reg_io_0x02 >> 2) & 0x01) ^ (reg_io_0x02 & 0x01)) ? - "(16-235)" : "(0-255)", - (reg_io_0x02 & 0x08) ? "enabled" : "disabled"); + + ret = io_read(sd, 0x02); + if (ret < 0) { + v4l2_info(sd, "Can't read Input/Output color space\n"); + } else { + reg_io_0x02 = ret; + + v4l2_info(sd, "Input color space: %s\n", + input_color_space_txt[reg_io_0x02 >> 4]); + v4l2_info(sd, "Output color space: %s %s, alt-gamma %s\n", + (reg_io_0x02 & 0x02) ? "RGB" : "YCbCr", + (((reg_io_0x02 >> 2) & 0x01) ^ (reg_io_0x02 & 0x01)) ? + "(16-235)" : "(0-255)", + (reg_io_0x02 & 0x08) ? "enabled" : "disabled"); + } v4l2_info(sd, "Color space conversion: %s\n", csc_coeff_sel_rb[cp_read(sd, info->cp_csc) >> 4]); diff --git a/drivers/media/i2c/imx335.c b/drivers/media/i2c/imx335.c index 780eb68b18..2692547791 100644 --- a/drivers/media/i2c/imx335.c +++ b/drivers/media/i2c/imx335.c @@ -75,6 +75,12 @@ struct imx335_reg_list { const struct imx335_reg *regs; }; +static const char * const imx335_supply_name[] = { + "avdd", /* Analog (2.9V) supply */ + "ovdd", /* Digital I/O (1.8V) supply */ + "dvdd", /* Digital Core (1.2V) supply */ +}; + /** * struct imx335_mode - imx335 sensor mode structure * @width: Frame width @@ -108,6 +114,7 @@ struct imx335_mode { * @sd: V4L2 sub-device * @pad: Media pad. Only one pad supported * @reset_gpio: Sensor reset gpio + * @supplies: Regulator supplies to handle power control * @inclk: Sensor input clock * @ctrl_handler: V4L2 control handler * @link_freq_ctrl: Pointer to link frequency control @@ -127,6 +134,8 @@ struct imx335 { struct v4l2_subdev sd; struct media_pad pad; struct gpio_desc *reset_gpio; + struct regulator_bulk_data supplies[ARRAY_SIZE(imx335_supply_name)]; + struct clk *inclk; struct v4l2_ctrl_handler ctrl_handler; struct v4l2_ctrl *link_freq_ctrl; @@ -783,13 +792,24 @@ static int imx335_parse_hw_config(struct imx335 *imx335) /* Request optional reset pin */ imx335->reset_gpio = devm_gpiod_get_optional(imx335->dev, "reset", - GPIOD_OUT_LOW); + GPIOD_OUT_HIGH); if (IS_ERR(imx335->reset_gpio)) { dev_err(imx335->dev, "failed to get reset gpio %ld", PTR_ERR(imx335->reset_gpio)); return PTR_ERR(imx335->reset_gpio); } + for (i = 0; i < ARRAY_SIZE(imx335_supply_name); i++) + imx335->supplies[i].supply = imx335_supply_name[i]; + + ret = devm_regulator_bulk_get(imx335->dev, + ARRAY_SIZE(imx335_supply_name), + imx335->supplies); + if (ret) { + dev_err(imx335->dev, "Failed to get regulators\n"); + return ret; + } + /* Get sensor input clock */ imx335->inclk = devm_clk_get(imx335->dev, NULL); if (IS_ERR(imx335->inclk)) { @@ -868,7 +888,17 @@ static int imx335_power_on(struct device *dev) struct imx335 *imx335 = to_imx335(sd); int ret; - gpiod_set_value_cansleep(imx335->reset_gpio, 1); + ret = regulator_bulk_enable(ARRAY_SIZE(imx335_supply_name), + imx335->supplies); + if (ret) { + dev_err(dev, "%s: failed to enable regulators\n", + __func__); + return ret; + } + + usleep_range(500, 550); /* Tlow */ + + gpiod_set_value_cansleep(imx335->reset_gpio, 0); ret = clk_prepare_enable(imx335->inclk); if (ret) { @@ -876,12 +906,13 @@ static int imx335_power_on(struct device *dev) goto error_reset; } - usleep_range(20, 22); + usleep_range(20, 22); /* T4 */ return 0; error_reset: - gpiod_set_value_cansleep(imx335->reset_gpio, 0); + gpiod_set_value_cansleep(imx335->reset_gpio, 1); + regulator_bulk_disable(ARRAY_SIZE(imx335_supply_name), imx335->supplies); return ret; } @@ -897,9 +928,9 @@ static int imx335_power_off(struct device *dev) struct v4l2_subdev *sd = dev_get_drvdata(dev); struct imx335 *imx335 = to_imx335(sd); - gpiod_set_value_cansleep(imx335->reset_gpio, 0); - + gpiod_set_value_cansleep(imx335->reset_gpio, 1); clk_disable_unprepare(imx335->inclk); + regulator_bulk_disable(ARRAY_SIZE(imx335_supply_name), imx335->supplies); return 0; } diff --git a/drivers/media/i2c/imx412.c b/drivers/media/i2c/imx412.c index 84279a6808..3d4d813923 100644 --- a/drivers/media/i2c/imx412.c +++ b/drivers/media/i2c/imx412.c @@ -535,14 +535,13 @@ static int imx412_update_controls(struct imx412 *imx412, */ static int imx412_update_exp_gain(struct imx412 *imx412, u32 exposure, u32 gain) { - u32 lpfr, shutter; + u32 lpfr; int ret; lpfr = imx412->vblank + imx412->cur_mode->height; - shutter = lpfr - exposure; - dev_dbg(imx412->dev, "Set exp %u, analog gain %u, shutter %u, lpfr %u", - exposure, gain, shutter, lpfr); + dev_dbg(imx412->dev, "Set exp %u, analog gain %u, lpfr %u", + exposure, gain, lpfr); ret = imx412_write_reg(imx412, IMX412_REG_HOLD, 1, 1); if (ret) @@ -552,7 +551,7 @@ static int imx412_update_exp_gain(struct imx412 *imx412, u32 exposure, u32 gain) if (ret) goto error_release_group_hold; - ret = imx412_write_reg(imx412, IMX412_REG_EXPOSURE_CIT, 2, shutter); + ret = imx412_write_reg(imx412, IMX412_REG_EXPOSURE_CIT, 2, exposure); if (ret) goto error_release_group_hold; diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c index 6851e01da1..7a696aea52 100644 --- a/drivers/media/pci/cx23885/cx23885-video.c +++ b/drivers/media/pci/cx23885/cx23885-video.c @@ -1354,6 +1354,10 @@ int cx23885_video_register(struct cx23885_dev *dev) /* register Video device */ dev->video_dev = cx23885_vdev_init(dev, dev->pci, &cx23885_video_template, "video"); + if (!dev->video_dev) { + err = -ENOMEM; + goto fail_unreg; + } dev->video_dev->queue = &dev->vb2_vidq; dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO | V4L2_CAP_VIDEO_CAPTURE; @@ -1382,6 +1386,10 @@ int cx23885_video_register(struct cx23885_dev *dev) /* register VBI device */ dev->vbi_dev = cx23885_vdev_init(dev, dev->pci, &cx23885_vbi_template, "vbi"); + if (!dev->vbi_dev) { + err = -ENOMEM; + goto fail_unreg; + } dev->vbi_dev->queue = &dev->vb2_vbiq; dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE; diff --git a/drivers/media/pci/saa7134/saa7134-dvb.c b/drivers/media/pci/saa7134/saa7134-dvb.c index f359cd5c00..c786b83a69 100644 --- a/drivers/media/pci/saa7134/saa7134-dvb.c +++ b/drivers/media/pci/saa7134/saa7134-dvb.c @@ -466,7 +466,9 @@ static int philips_europa_tuner_sleep(struct dvb_frontend *fe) /* switch the board to analog mode */ if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); - i2c_transfer(&dev->i2c_adap, &analog_msg, 1); + if (i2c_transfer(&dev->i2c_adap, &analog_msg, 1) != 1) + return -EIO; + return 0; } @@ -1018,7 +1020,9 @@ static int md8800_set_voltage2(struct dvb_frontend *fe, else wbuf[1] = rbuf & 0xef; msg[0].len = 2; - i2c_transfer(&dev->i2c_adap, msg, 1); + if (i2c_transfer(&dev->i2c_adap, msg, 1) != 1) + return -EIO; + return 0; } diff --git a/drivers/media/pci/solo6x10/solo6x10-offsets.h b/drivers/media/pci/solo6x10/solo6x10-offsets.h index f414ee1316..fdbb817e63 100644 --- a/drivers/media/pci/solo6x10/solo6x10-offsets.h +++ b/drivers/media/pci/solo6x10/solo6x10-offsets.h @@ -57,16 +57,16 @@ #define SOLO_MP4E_EXT_ADDR(__solo) \ (SOLO_EREF_EXT_ADDR(__solo) + SOLO_EREF_EXT_AREA(__solo)) #define SOLO_MP4E_EXT_SIZE(__solo) \ - max((__solo->nr_chans * 0x00080000), \ - min(((__solo->sdram_size - SOLO_MP4E_EXT_ADDR(__solo)) - \ - __SOLO_JPEG_MIN_SIZE(__solo)), 0x00ff0000)) + clamp(__solo->sdram_size - SOLO_MP4E_EXT_ADDR(__solo) - \ + __SOLO_JPEG_MIN_SIZE(__solo), \ + __solo->nr_chans * 0x00080000, 0x00ff0000) #define __SOLO_JPEG_MIN_SIZE(__solo) (__solo->nr_chans * 0x00080000) #define SOLO_JPEG_EXT_ADDR(__solo) \ (SOLO_MP4E_EXT_ADDR(__solo) + SOLO_MP4E_EXT_SIZE(__solo)) #define SOLO_JPEG_EXT_SIZE(__solo) \ - max(__SOLO_JPEG_MIN_SIZE(__solo), \ - min((__solo->sdram_size - SOLO_JPEG_EXT_ADDR(__solo)), 0x00ff0000)) + clamp(__solo->sdram_size - SOLO_JPEG_EXT_ADDR(__solo), \ + __SOLO_JPEG_MIN_SIZE(__solo), 0x00ff0000) #define SOLO_SDRAM_END(__solo) \ (SOLO_JPEG_EXT_ADDR(__solo) + SOLO_JPEG_EXT_SIZE(__solo)) diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c index e53f575b32..da5a8e18bb 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -835,8 +835,11 @@ static int camss_of_parse_endpoint_node(struct device *dev, struct v4l2_fwnode_bus_mipi_csi2 *mipi_csi2; struct v4l2_fwnode_endpoint vep = { { 0 } }; unsigned int i; + int ret; - v4l2_fwnode_endpoint_parse(of_fwnode_handle(node), &vep); + ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(node), &vep); + if (ret) + return ret; csd->interface.csiphy_id = vep.base.port; diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index 1f0181b635..d72b7d9e72 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -409,6 +409,7 @@ static int venus_remove(struct platform_device *pdev) struct device *dev = core->dev; int ret; + cancel_delayed_work_sync(&core->work); ret = pm_runtime_get_sync(dev); WARN_ON(ret < 0); diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c index 055513a730..656c17986c 100644 --- a/drivers/media/platform/qcom/venus/pm_helpers.c +++ b/drivers/media/platform/qcom/venus/pm_helpers.c @@ -870,7 +870,7 @@ static int vcodec_domains_get(struct venus_core *core) pd = dev_pm_domain_attach_by_name(dev, res->vcodec_pmdomains[i]); if (IS_ERR_OR_NULL(pd)) - return PTR_ERR(pd) ? : -ENODATA; + return pd ? PTR_ERR(pd) : -ENODATA; core->pmdomains[i] = pd; } diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c index 6e04667723..42134cde12 100644 --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -1165,7 +1165,7 @@ static int vdec_stop_output(struct venus_inst *inst) break; case VENUS_DEC_STATE_INIT: case VENUS_DEC_STATE_CAPTURE_SETUP: - ret = hfi_session_flush(inst, HFI_FLUSH_INPUT, true); + ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); break; default: break; @@ -1632,6 +1632,7 @@ static int vdec_close(struct file *file) vdec_pm_get(inst); + cancel_work_sync(&inst->delayed_process_work); v4l2_m2m_ctx_release(inst->m2m_ctx); v4l2_m2m_release(inst->m2m_dev); vdec_ctrl_deinit(inst); diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c index 7d0ab19c38..5cfb49ddcb 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c @@ -775,11 +775,14 @@ static void exynos4_jpeg_parse_decode_h_tbl(struct s5p_jpeg_ctx *ctx) (unsigned long)vb2_plane_vaddr(&vb->vb2_buf, 0) + ctx->out_q.sos + 2; jpeg_buffer.curr = 0; - word = 0; - if (get_word_be(&jpeg_buffer, &word)) return; - jpeg_buffer.size = (long)word - 2; + + if (word < 2) + jpeg_buffer.size = 0; + else + jpeg_buffer.size = (long)word - 2; + jpeg_buffer.data += 2; jpeg_buffer.curr = 0; @@ -1058,6 +1061,7 @@ static int get_word_be(struct s5p_jpeg_buffer *buf, unsigned int *word) if (byte == -1) return -1; *word = (unsigned int)byte | temp; + return 0; } @@ -1145,7 +1149,7 @@ static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, if (get_word_be(&jpeg_buffer, &word)) break; length = (long)word - 2; - if (!length) + if (length <= 0) return false; sof = jpeg_buffer.curr; /* after 0xffc0 */ sof_len = length; @@ -1176,7 +1180,7 @@ static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, if (get_word_be(&jpeg_buffer, &word)) break; length = (long)word - 2; - if (!length) + if (length <= 0) return false; if (n_dqt >= S5P_JPEG_MAX_MARKER) return false; @@ -1189,7 +1193,7 @@ static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, if (get_word_be(&jpeg_buffer, &word)) break; length = (long)word - 2; - if (!length) + if (length <= 0) return false; if (n_dht >= S5P_JPEG_MAX_MARKER) return false; @@ -1214,6 +1218,7 @@ static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, if (get_word_be(&jpeg_buffer, &word)) break; length = (long)word - 2; + /* No need to check underflows as skip() does it */ skip(&jpeg_buffer, length); break; } diff --git a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c index 8d40a7acba..9de1bb5307 100644 --- a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c +++ b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c @@ -40,6 +40,10 @@ static const struct media_entity_operations sun4i_csi_video_entity_ops = { .link_validate = v4l2_subdev_link_validate, }; +static const struct media_entity_operations sun4i_csi_subdev_entity_ops = { + .link_validate = v4l2_subdev_link_validate, +}; + static int sun4i_csi_notify_bound(struct v4l2_async_notifier *notifier, struct v4l2_subdev *subdev, struct v4l2_async_subdev *asd) @@ -218,6 +222,7 @@ static int sun4i_csi_probe(struct platform_device *pdev) v4l2_subdev_init(subdev, &sun4i_csi_subdev_ops); subdev->flags = V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; subdev->entity.function = MEDIA_ENT_F_VID_IF_BRIDGE; + subdev->entity.ops = &sun4i_csi_subdev_entity_ops; subdev->owner = THIS_MODULE; snprintf(subdev->name, sizeof(subdev->name), "sun4i-csi-0"); v4l2_set_subdevdata(subdev, csi); diff --git a/drivers/media/platform/vsp1/vsp1_histo.c b/drivers/media/platform/vsp1/vsp1_histo.c index 5e5013d2cd..897dfe9932 100644 --- a/drivers/media/platform/vsp1/vsp1_histo.c +++ b/drivers/media/platform/vsp1/vsp1_histo.c @@ -36,9 +36,8 @@ struct vsp1_histogram_buffer * vsp1_histogram_buffer_get(struct vsp1_histogram *histo) { struct vsp1_histogram_buffer *buf = NULL; - unsigned long flags; - spin_lock_irqsave(&histo->irqlock, flags); + spin_lock(&histo->irqlock); if (list_empty(&histo->irqqueue)) goto done; @@ -49,7 +48,7 @@ vsp1_histogram_buffer_get(struct vsp1_histogram *histo) histo->readout = true; done: - spin_unlock_irqrestore(&histo->irqlock, flags); + spin_unlock(&histo->irqlock); return buf; } @@ -58,7 +57,6 @@ void vsp1_histogram_buffer_complete(struct vsp1_histogram *histo, size_t size) { struct vsp1_pipeline *pipe = histo->entity.pipe; - unsigned long flags; /* * The pipeline pointer is guaranteed to be valid as this function is @@ -70,10 +68,10 @@ void vsp1_histogram_buffer_complete(struct vsp1_histogram *histo, vb2_set_plane_payload(&buf->buf.vb2_buf, 0, size); vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_DONE); - spin_lock_irqsave(&histo->irqlock, flags); + spin_lock(&histo->irqlock); histo->readout = false; wake_up(&histo->wait_queue); - spin_unlock_irqrestore(&histo->irqlock, flags); + spin_unlock(&histo->irqlock); } /* ----------------------------------------------------------------------------- @@ -124,11 +122,10 @@ static void histo_buffer_queue(struct vb2_buffer *vb) struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct vsp1_histogram *histo = vb2_get_drv_priv(vb->vb2_queue); struct vsp1_histogram_buffer *buf = to_vsp1_histogram_buffer(vbuf); - unsigned long flags; - spin_lock_irqsave(&histo->irqlock, flags); + spin_lock_irq(&histo->irqlock); list_add_tail(&buf->queue, &histo->irqqueue); - spin_unlock_irqrestore(&histo->irqlock, flags); + spin_unlock_irq(&histo->irqlock); } static int histo_start_streaming(struct vb2_queue *vq, unsigned int count) @@ -140,9 +137,8 @@ static void histo_stop_streaming(struct vb2_queue *vq) { struct vsp1_histogram *histo = vb2_get_drv_priv(vq); struct vsp1_histogram_buffer *buffer; - unsigned long flags; - spin_lock_irqsave(&histo->irqlock, flags); + spin_lock_irq(&histo->irqlock); /* Remove all buffers from the IRQ queue. */ list_for_each_entry(buffer, &histo->irqqueue, queue) @@ -152,7 +148,7 @@ static void histo_stop_streaming(struct vb2_queue *vq) /* Wait for the buffer being read out (if any) to complete. */ wait_event_lock_irq(histo->wait_queue, !histo->readout, histo->irqlock); - spin_unlock_irqrestore(&histo->irqlock, flags); + spin_unlock_irq(&histo->irqlock); } static const struct vb2_ops histo_video_queue_qops = { diff --git a/drivers/media/platform/vsp1/vsp1_pipe.h b/drivers/media/platform/vsp1/vsp1_pipe.h index ae646c9ef3..15daf35bda 100644 --- a/drivers/media/platform/vsp1/vsp1_pipe.h +++ b/drivers/media/platform/vsp1/vsp1_pipe.h @@ -73,7 +73,7 @@ struct vsp1_partition_window { * @wpf: The WPF partition window configuration */ struct vsp1_partition { - struct vsp1_partition_window rpf; + struct vsp1_partition_window rpf[VSP1_MAX_RPF]; struct vsp1_partition_window uds_sink; struct vsp1_partition_window uds_source; struct vsp1_partition_window sru; diff --git a/drivers/media/platform/vsp1/vsp1_rpf.c b/drivers/media/platform/vsp1/vsp1_rpf.c index 75083cb234..996a3058d5 100644 --- a/drivers/media/platform/vsp1/vsp1_rpf.c +++ b/drivers/media/platform/vsp1/vsp1_rpf.c @@ -271,8 +271,8 @@ static void rpf_configure_partition(struct vsp1_entity *entity, * 'width' need to be adjusted. */ if (pipe->partitions > 1) { - crop.width = pipe->partition->rpf.width; - crop.left += pipe->partition->rpf.left; + crop.width = pipe->partition->rpf[rpf->entity.index].width; + crop.left += pipe->partition->rpf[rpf->entity.index].left; } if (pipe->interlaced) { @@ -327,7 +327,9 @@ static void rpf_partition(struct vsp1_entity *entity, unsigned int partition_idx, struct vsp1_partition_window *window) { - partition->rpf = *window; + struct vsp1_rwpf *rpf = to_rwpf(&entity->subdev); + + partition->rpf[rpf->entity.index] = *window; } static const struct vsp1_entity_operations rpf_entity_ops = { diff --git a/drivers/media/radio/radio-isa.c b/drivers/media/radio/radio-isa.c index c591c0851f..ad49151f5f 100644 --- a/drivers/media/radio/radio-isa.c +++ b/drivers/media/radio/radio-isa.c @@ -36,7 +36,7 @@ static int radio_isa_querycap(struct file *file, void *priv, strscpy(v->driver, isa->drv->driver.driver.name, sizeof(v->driver)); strscpy(v->card, isa->drv->card, sizeof(v->card)); - snprintf(v->bus_info, sizeof(v->bus_info), "ISA:%s", isa->v4l2_dev.name); + snprintf(v->bus_info, sizeof(v->bus_info), "ISA:%s", dev_name(isa->v4l2_dev.dev)); return 0; } diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c index 4e7c3d889d..9faf8365af 100644 --- a/drivers/media/rc/imon.c +++ b/drivers/media/rc/imon.c @@ -1150,10 +1150,7 @@ static int imon_ir_change_protocol(struct rc_dev *rc, u64 *rc_proto) memcpy(ictx->usb_tx_buf, &ir_proto_packet, sizeof(ir_proto_packet)); - if (!mutex_is_locked(&ictx->lock)) { - unlock = true; - mutex_lock(&ictx->lock); - } + unlock = mutex_trylock(&ictx->lock); retval = send_packet(ictx); if (retval) diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c index d73f02b0db..54f4a7cd88 100644 --- a/drivers/media/rc/lirc_dev.c +++ b/drivers/media/rc/lirc_dev.c @@ -841,8 +841,10 @@ struct rc_dev *rc_dev_get_from_fd(int fd, bool write) return ERR_PTR(-EINVAL); } - if (write && !(f.file->f_mode & FMODE_WRITE)) + if (write && !(f.file->f_mode & FMODE_WRITE)) { + fdput(f); return ERR_PTR(-EPERM); + } fh = f.file->private_data; dev = fh->rc; diff --git a/drivers/media/test-drivers/vivid/vivid-vid-cap.c b/drivers/media/test-drivers/vivid/vivid-vid-cap.c index 331a3f4286..c663daedb8 100644 --- a/drivers/media/test-drivers/vivid/vivid-vid-cap.c +++ b/drivers/media/test-drivers/vivid/vivid-vid-cap.c @@ -113,8 +113,9 @@ static int vid_cap_queue_setup(struct vb2_queue *vq, if (*nplanes != buffers) return -EINVAL; for (p = 0; p < buffers; p++) { - if (sizes[p] < tpg_g_line_width(&dev->tpg, p) * h + - dev->fmt_cap->data_offset[p]) + if (sizes[p] < tpg_g_line_width(&dev->tpg, p) * h / + dev->fmt_cap->vdownsampling[p] + + dev->fmt_cap->data_offset[p]) return -EINVAL; } } else { @@ -1797,8 +1798,10 @@ int vidioc_s_edid(struct file *file, void *_fh, return -EINVAL; if (edid->blocks == 0) { dev->edid_blocks = 0; - v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, 0); - v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, 0); + if (dev->num_outputs) { + v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, 0); + v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, 0); + } phys_addr = CEC_PHYS_ADDR_INVALID; goto set_phys_addr; } @@ -1822,8 +1825,10 @@ int vidioc_s_edid(struct file *file, void *_fh, display_present |= dev->display_present[i] << j++; - v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, display_present); - v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, display_present); + if (dev->num_outputs) { + v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, display_present); + v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, display_present); + } set_phys_addr: /* TODO: a proper hotplug detect cycle should be emulated here */ diff --git a/drivers/media/test-drivers/vivid/vivid-vid-out.c b/drivers/media/test-drivers/vivid/vivid-vid-out.c index 9f731f0851..e96d3d0141 100644 --- a/drivers/media/test-drivers/vivid/vivid-vid-out.c +++ b/drivers/media/test-drivers/vivid/vivid-vid-out.c @@ -63,14 +63,16 @@ static int vid_out_queue_setup(struct vb2_queue *vq, if (sizes[0] < size) return -EINVAL; for (p = 1; p < planes; p++) { - if (sizes[p] < dev->bytesperline_out[p] * h + - vfmt->data_offset[p]) + if (sizes[p] < dev->bytesperline_out[p] * h / + vfmt->vdownsampling[p] + + vfmt->data_offset[p]) return -EINVAL; } } else { for (p = 0; p < planes; p++) - sizes[p] = p ? dev->bytesperline_out[p] * h + - vfmt->data_offset[p] : size; + sizes[p] = p ? dev->bytesperline_out[p] * h / + vfmt->vdownsampling[p] + + vfmt->data_offset[p] : size; } if (vq->num_buffers + *nbuffers < 2) @@ -127,7 +129,7 @@ static int vid_out_buf_prepare(struct vb2_buffer *vb) for (p = 0; p < planes; p++) { if (p) - size = dev->bytesperline_out[p] * h; + size = dev->bytesperline_out[p] * h / vfmt->vdownsampling[p]; size += vb->planes[p].data_offset; if (vb2_get_plane_payload(vb, p) < size) { @@ -334,8 +336,8 @@ int vivid_g_fmt_vid_out(struct file *file, void *priv, for (p = 0; p < mp->num_planes; p++) { mp->plane_fmt[p].bytesperline = dev->bytesperline_out[p]; mp->plane_fmt[p].sizeimage = - mp->plane_fmt[p].bytesperline * mp->height + - fmt->data_offset[p]; + mp->plane_fmt[p].bytesperline * mp->height / + fmt->vdownsampling[p] + fmt->data_offset[p]; } for (p = fmt->buffers; p < fmt->planes; p++) { unsigned stride = dev->bytesperline_out[p]; diff --git a/drivers/media/tuners/tuner-i2c.h b/drivers/media/tuners/tuner-i2c.h index 07aeead064..724952e001 100644 --- a/drivers/media/tuners/tuner-i2c.h +++ b/drivers/media/tuners/tuner-i2c.h @@ -133,10 +133,8 @@ static inline int tuner_i2c_xfer_send_recv(struct tuner_i2c_props *props, } \ if (0 == __ret) { \ state = kzalloc(sizeof(type), GFP_KERNEL); \ - if (!state) { \ - __ret = -ENOMEM; \ + if (NULL == state) \ goto __fail; \ - } \ state->i2c_props.addr = i2caddr; \ state->i2c_props.adap = i2cadap; \ state->i2c_props.name = devname; \ diff --git a/drivers/media/usb/dvb-usb/dib0700_devices.c b/drivers/media/usb/dvb-usb/dib0700_devices.c index 710c1afe3e..c7019e767d 100644 --- a/drivers/media/usb/dvb-usb/dib0700_devices.c +++ b/drivers/media/usb/dvb-usb/dib0700_devices.c @@ -2419,7 +2419,12 @@ static int stk9090m_frontend_attach(struct dvb_usb_adapter *adap) adap->fe_adap[0].fe = dvb_attach(dib9000_attach, &adap->dev->i2c_adap, 0x80, &stk9090m_config); - return adap->fe_adap[0].fe == NULL ? -ENODEV : 0; + if (!adap->fe_adap[0].fe) { + release_firmware(state->frontend_firmware); + return -ENODEV; + } + + return 0; } static int dib9090_tuner_attach(struct dvb_usb_adapter *adap) @@ -2492,8 +2497,10 @@ static int nim9090md_frontend_attach(struct dvb_usb_adapter *adap) dib9000_i2c_enumeration(&adap->dev->i2c_adap, 1, 0x20, 0x80); adap->fe_adap[0].fe = dvb_attach(dib9000_attach, &adap->dev->i2c_adap, 0x80, &nim9090md_config[0]); - if (adap->fe_adap[0].fe == NULL) + if (!adap->fe_adap[0].fe) { + release_firmware(state->frontend_firmware); return -ENODEV; + } i2c = dib9000_get_i2c_master(adap->fe_adap[0].fe, DIBX000_I2C_INTERFACE_GPIO_3_4, 0); dib9000_i2c_enumeration(i2c, 1, 0x12, 0x82); @@ -2501,7 +2508,12 @@ static int nim9090md_frontend_attach(struct dvb_usb_adapter *adap) fe_slave = dvb_attach(dib9000_attach, i2c, 0x82, &nim9090md_config[1]); dib9000_set_slave_frontend(adap->fe_adap[0].fe, fe_slave); - return fe_slave == NULL ? -ENODEV : 0; + if (!fe_slave) { + release_firmware(state->frontend_firmware); + return -ENODEV; + } + + return 0; } static int nim9090md_tuner_attach(struct dvb_usb_adapter *adap) diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c index 253d13bdb6..c84d1c725d 100644 --- a/drivers/media/usb/dvb-usb/dw2102.c +++ b/drivers/media/usb/dvb-usb/dw2102.c @@ -716,6 +716,7 @@ static int su3000_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], { struct dvb_usb_device *d = i2c_get_adapdata(adap); struct dw2102_state *state; + int j; if (!d) return -ENODEV; @@ -729,11 +730,11 @@ static int su3000_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], return -EAGAIN; } - switch (num) { - case 1: - switch (msg[0].addr) { + j = 0; + while (j < num) { + switch (msg[j].addr) { case SU3000_STREAM_CTRL: - state->data[0] = msg[0].buf[0] + 0x36; + state->data[0] = msg[j].buf[0] + 0x36; state->data[1] = 3; state->data[2] = 0; if (dvb_usb_generic_rw(d, state->data, 3, @@ -745,61 +746,86 @@ static int su3000_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], if (dvb_usb_generic_rw(d, state->data, 1, state->data, 2, 0) < 0) err("i2c transfer failed."); - msg[0].buf[1] = state->data[0]; - msg[0].buf[0] = state->data[1]; + msg[j].buf[1] = state->data[0]; + msg[j].buf[0] = state->data[1]; break; default: - if (3 + msg[0].len > sizeof(state->data)) { - warn("i2c wr: len=%d is too big!\n", - msg[0].len); + /* if the current write msg is followed by a another + * read msg to/from the same address + */ + if ((j+1 < num) && (msg[j+1].flags & I2C_M_RD) && + (msg[j].addr == msg[j+1].addr)) { + /* join both i2c msgs to one usb read command */ + if (4 + msg[j].len > sizeof(state->data)) { + warn("i2c combined wr/rd: write len=%d is too big!\n", + msg[j].len); + num = -EOPNOTSUPP; + break; + } + if (1 + msg[j+1].len > sizeof(state->data)) { + warn("i2c combined wr/rd: read len=%d is too big!\n", + msg[j+1].len); + num = -EOPNOTSUPP; + break; + } + + state->data[0] = 0x09; + state->data[1] = msg[j].len; + state->data[2] = msg[j+1].len; + state->data[3] = msg[j].addr; + memcpy(&state->data[4], msg[j].buf, msg[j].len); + + if (dvb_usb_generic_rw(d, state->data, msg[j].len + 4, + state->data, msg[j+1].len + 1, 0) < 0) + err("i2c transfer failed."); + + memcpy(msg[j+1].buf, &state->data[1], msg[j+1].len); + j++; + break; + } + + if (msg[j].flags & I2C_M_RD) { + /* single read */ + if (4 + msg[j].len > sizeof(state->data)) { + warn("i2c rd: len=%d is too big!\n", msg[j].len); + num = -EOPNOTSUPP; + break; + } + + state->data[0] = 0x09; + state->data[1] = 0; + state->data[2] = msg[j].len; + state->data[3] = msg[j].addr; + memcpy(&state->data[4], msg[j].buf, msg[j].len); + + if (dvb_usb_generic_rw(d, state->data, 4, + state->data, msg[j].len + 1, 0) < 0) + err("i2c transfer failed."); + + memcpy(msg[j].buf, &state->data[1], msg[j].len); + break; + } + + /* single write */ + if (3 + msg[j].len > sizeof(state->data)) { + warn("i2c wr: len=%d is too big!\n", msg[j].len); num = -EOPNOTSUPP; break; } - /* always i2c write*/ state->data[0] = 0x08; - state->data[1] = msg[0].addr; - state->data[2] = msg[0].len; + state->data[1] = msg[j].addr; + state->data[2] = msg[j].len; - memcpy(&state->data[3], msg[0].buf, msg[0].len); + memcpy(&state->data[3], msg[j].buf, msg[j].len); - if (dvb_usb_generic_rw(d, state->data, msg[0].len + 3, + if (dvb_usb_generic_rw(d, state->data, msg[j].len + 3, state->data, 1, 0) < 0) err("i2c transfer failed."); + } // switch + j++; - } - break; - case 2: - /* always i2c read */ - if (4 + msg[0].len > sizeof(state->data)) { - warn("i2c rd: len=%d is too big!\n", - msg[0].len); - num = -EOPNOTSUPP; - break; - } - if (1 + msg[1].len > sizeof(state->data)) { - warn("i2c rd: len=%d is too big!\n", - msg[1].len); - num = -EOPNOTSUPP; - break; - } - - state->data[0] = 0x09; - state->data[1] = msg[0].len; - state->data[2] = msg[1].len; - state->data[3] = msg[0].addr; - memcpy(&state->data[4], msg[0].buf, msg[0].len); - - if (dvb_usb_generic_rw(d, state->data, msg[0].len + 4, - state->data, msg[1].len + 1, 0) < 0) - err("i2c transfer failed."); - - memcpy(msg[1].buf, &state->data[1], msg[1].len); - break; - default: - warn("more than 2 i2c messages at a time is not handled yet."); - break; - } + } // while mutex_unlock(&d->data_mutex); mutex_unlock(&d->i2c_mutex); return num; diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c index acf18e2251..6c9870541c 100644 --- a/drivers/media/usb/s2255/s2255drv.c +++ b/drivers/media/usb/s2255/s2255drv.c @@ -247,7 +247,7 @@ struct s2255_vc { struct s2255_dev { struct s2255_vc vc[MAX_CHANNELS]; struct v4l2_device v4l2_dev; - atomic_t num_channels; + refcount_t num_channels; int frames; struct mutex lock; /* channels[].vdev.lock */ struct mutex cmdlock; /* protects cmdbuf */ @@ -1550,11 +1550,11 @@ static void s2255_video_device_release(struct video_device *vdev) container_of(vdev, struct s2255_vc, vdev); dprintk(dev, 4, "%s, chnls: %d\n", __func__, - atomic_read(&dev->num_channels)); + refcount_read(&dev->num_channels)); v4l2_ctrl_handler_free(&vc->hdl); - if (atomic_dec_and_test(&dev->num_channels)) + if (refcount_dec_and_test(&dev->num_channels)) s2255_destroy(dev); return; } @@ -1659,7 +1659,7 @@ static int s2255_probe_v4l(struct s2255_dev *dev) "failed to register video device!\n"); break; } - atomic_inc(&dev->num_channels); + refcount_inc(&dev->num_channels); v4l2_info(&dev->v4l2_dev, "V4L2 device registered as %s\n", video_device_node_name(&vc->vdev)); @@ -1667,11 +1667,11 @@ static int s2255_probe_v4l(struct s2255_dev *dev) pr_info("Sensoray 2255 V4L driver Revision: %s\n", S2255_VERSION); /* if no channels registered, return error and probe will fail*/ - if (atomic_read(&dev->num_channels) == 0) { + if (refcount_read(&dev->num_channels) == 0) { v4l2_device_unregister(&dev->v4l2_dev); return ret; } - if (atomic_read(&dev->num_channels) != MAX_CHANNELS) + if (refcount_read(&dev->num_channels) != MAX_CHANNELS) pr_warn("s2255: Not all channels available.\n"); return 0; } @@ -2220,7 +2220,7 @@ static int s2255_probe(struct usb_interface *interface, goto errorFWDATA1; } - atomic_set(&dev->num_channels, 0); + refcount_set(&dev->num_channels, 0); dev->pid = id->idProduct; dev->fw_data = kzalloc(sizeof(struct s2255_fw), GFP_KERNEL); if (!dev->fw_data) @@ -2340,12 +2340,12 @@ static void s2255_disconnect(struct usb_interface *interface) { struct s2255_dev *dev = to_s2255_dev(usb_get_intfdata(interface)); int i; - int channels = atomic_read(&dev->num_channels); + int channels = refcount_read(&dev->num_channels); mutex_lock(&dev->lock); v4l2_device_disconnect(&dev->v4l2_dev); mutex_unlock(&dev->lock); /*see comments in the uvc_driver.c usb disconnect function */ - atomic_inc(&dev->num_channels); + refcount_inc(&dev->num_channels); /* unregister each video device. */ for (i = 0; i < channels; i++) video_unregister_device(&dev->vc[i].vdev); @@ -2358,7 +2358,7 @@ static void s2255_disconnect(struct usb_interface *interface) dev->vc[i].vidstatus_ready = 1; wake_up(&dev->vc[i].wait_vidstatus); } - if (atomic_dec_and_test(&dev->num_channels)) + if (refcount_dec_and_test(&dev->num_channels)) s2255_destroy(dev); dev_info(&interface->dev, "%s\n", __func__); } diff --git a/drivers/media/usb/usbtv/usbtv-video.c b/drivers/media/usb/usbtv/usbtv-video.c index a714ad77ca..e5fcf53229 100644 --- a/drivers/media/usb/usbtv/usbtv-video.c +++ b/drivers/media/usb/usbtv/usbtv-video.c @@ -959,15 +959,8 @@ int usbtv_video_init(struct usbtv *usbtv) void usbtv_video_free(struct usbtv *usbtv) { - mutex_lock(&usbtv->vb2q_lock); - mutex_lock(&usbtv->v4l2_lock); - - usbtv_stop(usbtv); vb2_video_unregister_device(&usbtv->vdev); v4l2_device_disconnect(&usbtv->v4l2_dev); - mutex_unlock(&usbtv->v4l2_lock); - mutex_unlock(&usbtv->vb2q_lock); - v4l2_device_put(&usbtv->v4l2_dev); } diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index 05335866e6..050d334265 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1868,7 +1868,13 @@ static int uvc_ctrl_get_flags(struct uvc_device *dev, else ret = uvc_query_ctrl(dev, UVC_GET_INFO, ctrl->entity->id, dev->intfnum, info->selector, data, 1); - if (!ret) + + if (!ret) { + info->flags &= ~(UVC_CTRL_FLAG_GET_CUR | + UVC_CTRL_FLAG_SET_CUR | + UVC_CTRL_FLAG_AUTO_UPDATE | + UVC_CTRL_FLAG_ASYNCHRONOUS); + info->flags |= (data[0] & UVC_CONTROL_CAP_GET ? UVC_CTRL_FLAG_GET_CUR : 0) | (data[0] & UVC_CONTROL_CAP_SET ? @@ -1877,6 +1883,7 @@ static int uvc_ctrl_get_flags(struct uvc_device *dev, UVC_CTRL_FLAG_AUTO_UPDATE : 0) | (data[0] & UVC_CONTROL_CAP_ASYNCHRONOUS ? UVC_CTRL_FLAG_ASYNCHRONOUS : 0); + } kfree(data); return ret; diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index b19c75a6f5..73a2d960d6 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -645,7 +645,7 @@ static int uvc_parse_format(struct uvc_device *dev, /* Parse the frame descriptors. Only uncompressed, MJPEG and frame * based formats have frame descriptors. */ - while (buflen > 2 && buffer[1] == USB_DT_CS_INTERFACE && + while (ftype && buflen > 2 && buffer[1] == USB_DT_CS_INTERFACE && buffer[2] == ftype) { frame = &format->frame[format->nframes]; if (ftype != UVC_VS_FRAME_FRAME_BASED) @@ -936,16 +936,26 @@ static int uvc_parse_streaming(struct uvc_device *dev, goto error; } - size = nformats * sizeof(*format) + nframes * sizeof(*frame) + /* + * Allocate memory for the formats, the frames and the intervals, + * plus any required padding to guarantee that everything has the + * correct alignment. + */ + size = nformats * sizeof(*format); + size = ALIGN(size, __alignof__(*frame)) + nframes * sizeof(*frame); + size = ALIGN(size, __alignof__(*interval)) + nintervals * sizeof(*interval); + format = kzalloc(size, GFP_KERNEL); - if (format == NULL) { + if (!format) { ret = -ENOMEM; goto error; } - frame = (struct uvc_frame *)&format[nformats]; - interval = (u32 *)&frame[nframes]; + frame = (void *)format + nformats * sizeof(*format); + frame = PTR_ALIGN(frame, __alignof__(*frame)); + interval = (void *)frame + nframes * sizeof(*frame); + interval = PTR_ALIGN(interval, __alignof__(*interval)); streaming->format = format; streaming->nformats = 0; diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index f477cfbbb9..446fe67e07 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -210,13 +210,13 @@ static void uvc_fixup_video_ctrl(struct uvc_streaming *stream, /* Compute a bandwidth estimation by multiplying the frame * size by the number of video frames per second, divide the * result by the number of USB frames (or micro-frames for - * high-speed devices) per second and add the UVC header size - * (assumed to be 12 bytes long). + * high- and super-speed devices) per second and add the UVC + * header size (assumed to be 12 bytes long). */ bandwidth = frame->wWidth * frame->wHeight / 8 * format->bpp; bandwidth *= 10000000 / interval + 1; bandwidth /= 1000; - if (stream->dev->udev->speed == USB_SPEED_HIGH) + if (stream->dev->udev->speed >= USB_SPEED_HIGH) bandwidth /= 8; bandwidth += 12; @@ -471,6 +471,7 @@ uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf, ktime_t time; u16 host_sof; u16 dev_sof; + u32 dev_stc; switch (data[1] & (UVC_STREAM_PTS | UVC_STREAM_SCR)) { case UVC_STREAM_PTS | UVC_STREAM_SCR: @@ -515,6 +516,34 @@ uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf, if (dev_sof == stream->clock.last_sof) return; + dev_stc = get_unaligned_le32(&data[header_size - 6]); + + /* + * STC (Source Time Clock) is the clock used by the camera. The UVC 1.5 + * standard states that it "must be captured when the first video data + * of a video frame is put on the USB bus". This is generally understood + * as requiring devices to clear the payload header's SCR bit before + * the first packet containing video data. + * + * Most vendors follow that interpretation, but some (namely SunplusIT + * on some devices) always set the `UVC_STREAM_SCR` bit, fill the SCR + * field with 0's,and expect that the driver only processes the SCR if + * there is data in the packet. + * + * Ignore all the hardware timestamp information if we haven't received + * any data for this frame yet, the packet contains no data, and both + * STC and SOF are zero. This heuristics should be safe on compliant + * devices. This should be safe with compliant devices, as in the very + * unlikely case where a UVC 1.1 device would send timing information + * only before the first packet containing data, and both STC and SOF + * happen to be zero for a particular frame, we would only miss one + * clock sample from many and the clock recovery algorithm wouldn't + * suffer from this condition. + */ + if (buf && buf->bytesused == 0 && len == header_size && + dev_stc == 0 && dev_sof == 0) + return; + stream->clock.last_sof = dev_sof; host_sof = usb_get_current_frame_number(stream->dev->udev); @@ -552,7 +581,7 @@ uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf, spin_lock_irqsave(&stream->clock.lock, flags); sample = &stream->clock.samples[stream->clock.head]; - sample->dev_stc = get_unaligned_le32(&data[header_size - 6]); + sample->dev_stc = dev_stc; sample->dev_sof = dev_sof; sample->host_sof = host_sof; sample->host_time = time; @@ -697,11 +726,11 @@ void uvc_video_clock_update(struct uvc_streaming *stream, unsigned long flags; u64 timestamp; u32 delta_stc; - u32 y1, y2; + u32 y1; u32 x1, x2; u32 mean; u32 sof; - u64 y; + u64 y, y2; if (!uvc_hw_timestamps_param) return; @@ -741,7 +770,7 @@ void uvc_video_clock_update(struct uvc_streaming *stream, sof = y; uvc_dbg(stream->dev, CLOCK, - "%s: PTS %u y %llu.%06llu SOF %u.%06llu (x1 %u x2 %u y1 %u y2 %u SOF offset %u)\n", + "%s: PTS %u y %llu.%06llu SOF %u.%06llu (x1 %u x2 %u y1 %u y2 %llu SOF offset %u)\n", stream->dev->name, buf->pts, y >> 16, div_u64((y & 0xffff) * 1000000, 65536), sof >> 16, div_u64(((u64)sof & 0xffff) * 1000000LLU, 65536), @@ -756,7 +785,7 @@ void uvc_video_clock_update(struct uvc_streaming *stream, goto done; y1 = NSEC_PER_SEC; - y2 = (u32)ktime_to_ns(ktime_sub(last->host_time, first->host_time)) + y1; + y2 = ktime_to_ns(ktime_sub(last->host_time, first->host_time)) + y1; /* Interpolated and host SOF timestamps can wrap around at slightly * different times. Handle this by adding or removing 2048 to or from @@ -776,7 +805,7 @@ void uvc_video_clock_update(struct uvc_streaming *stream, timestamp = ktime_to_ns(first->host_time) + y - y1; uvc_dbg(stream->dev, CLOCK, - "%s: SOF %u.%06llu y %llu ts %llu buf ts %llu (x1 %u/%u/%u x2 %u/%u/%u y1 %u y2 %u)\n", + "%s: SOF %u.%06llu y %llu ts %llu buf ts %llu (x1 %u/%u/%u x2 %u/%u/%u y1 %u y2 %llu)\n", stream->dev->name, sof >> 16, div_u64(((u64)sof & 0xffff) * 1000000LLU, 65536), y, timestamp, vbuf->vb2_buf.timestamp, diff --git a/drivers/media/v4l2-core/v4l2-ctrls-api.c b/drivers/media/v4l2-core/v4l2-ctrls-api.c index db9baa0bd0..80243282f7 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-api.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-api.c @@ -712,9 +712,10 @@ static int get_ctrl(struct v4l2_ctrl *ctrl, struct v4l2_ext_control *c) for (i = 0; i < master->ncontrols; i++) cur_to_new(master->cluster[i]); ret = call_op(master, g_volatile_ctrl); - new_to_user(c, ctrl); + if (!ret) + ret = new_to_user(c, ctrl); } else { - cur_to_user(c, ctrl); + ret = cur_to_user(c, ctrl); } v4l2_ctrl_unlock(master); return ret; @@ -729,7 +730,10 @@ int v4l2_g_ctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_control *control) if (!ctrl || !ctrl->is_int) return -EINVAL; ret = get_ctrl(ctrl, &c); - control->value = c.value; + + if (!ret) + control->value = c.value; + return ret; } EXPORT_SYMBOL(v4l2_g_ctrl); @@ -770,10 +774,11 @@ static int set_ctrl_lock(struct v4l2_fh *fh, struct v4l2_ctrl *ctrl, int ret; v4l2_ctrl_lock(ctrl); - user_to_new(c, ctrl); - ret = set_ctrl(fh, ctrl, 0); + ret = user_to_new(c, ctrl); + if (!ret) + ret = set_ctrl(fh, ctrl, 0); if (!ret) - cur_to_user(c, ctrl); + ret = cur_to_user(c, ctrl); v4l2_ctrl_unlock(ctrl); return ret; } diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig index 72c0df129d..5a410a40f9 100644 --- a/drivers/memory/Kconfig +++ b/drivers/memory/Kconfig @@ -168,7 +168,7 @@ config FSL_CORENET_CF represents a coherency violation. config FSL_IFC - bool "Freescale IFC driver" if COMPILE_TEST + bool "Freescale IFC driver" depends on FSL_SOC || ARCH_LAYERSCAPE || SOC_LS1021A || COMPILE_TEST depends on HAS_IOMEM diff --git a/drivers/memory/stm32-fmc2-ebi.c b/drivers/memory/stm32-fmc2-ebi.c index ffec26a993..5c387d32c0 100644 --- a/drivers/memory/stm32-fmc2-ebi.c +++ b/drivers/memory/stm32-fmc2-ebi.c @@ -179,8 +179,11 @@ static int stm32_fmc2_ebi_check_mux(struct stm32_fmc2_ebi *ebi, int cs) { u32 bcr; + int ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; if (bcr & FMC2_BCR_MTYP) return 0; @@ -193,8 +196,11 @@ static int stm32_fmc2_ebi_check_waitcfg(struct stm32_fmc2_ebi *ebi, int cs) { u32 bcr, val = FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_NOR); + int ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; if ((bcr & FMC2_BCR_MTYP) == val && bcr & FMC2_BCR_BURSTEN) return 0; @@ -207,8 +213,11 @@ static int stm32_fmc2_ebi_check_sync_trans(struct stm32_fmc2_ebi *ebi, int cs) { u32 bcr; + int ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; if (bcr & FMC2_BCR_BURSTEN) return 0; @@ -221,8 +230,11 @@ static int stm32_fmc2_ebi_check_async_trans(struct stm32_fmc2_ebi *ebi, int cs) { u32 bcr; + int ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; if (!(bcr & FMC2_BCR_BURSTEN) || !(bcr & FMC2_BCR_CBURSTRW)) return 0; @@ -235,8 +247,11 @@ static int stm32_fmc2_ebi_check_cpsize(struct stm32_fmc2_ebi *ebi, int cs) { u32 bcr, val = FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_PSRAM); + int ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; if ((bcr & FMC2_BCR_MTYP) == val && bcr & FMC2_BCR_BURSTEN) return 0; @@ -249,12 +264,18 @@ static int stm32_fmc2_ebi_check_address_hold(struct stm32_fmc2_ebi *ebi, int cs) { u32 bcr, bxtr, val = FIELD_PREP(FMC2_BXTR_ACCMOD, FMC2_BXTR_EXTMOD_D); + int ret; + + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); if (prop->reg_type == FMC2_REG_BWTR) - regmap_read(ebi->regmap, FMC2_BWTR(cs), &bxtr); + ret = regmap_read(ebi->regmap, FMC2_BWTR(cs), &bxtr); else - regmap_read(ebi->regmap, FMC2_BTR(cs), &bxtr); + ret = regmap_read(ebi->regmap, FMC2_BTR(cs), &bxtr); + if (ret) + return ret; if ((!(bcr & FMC2_BCR_BURSTEN) || !(bcr & FMC2_BCR_CBURSTRW)) && ((bxtr & FMC2_BXTR_ACCMOD) == val || bcr & FMC2_BCR_MUXEN)) @@ -268,12 +289,19 @@ static int stm32_fmc2_ebi_check_clk_period(struct stm32_fmc2_ebi *ebi, int cs) { u32 bcr, bcr1; + int ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); - if (cs) - regmap_read(ebi->regmap, FMC2_BCR1, &bcr1); - else + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; + + if (cs) { + ret = regmap_read(ebi->regmap, FMC2_BCR1, &bcr1); + if (ret) + return ret; + } else { bcr1 = bcr; + } if (bcr & FMC2_BCR_BURSTEN && (!cs || !(bcr1 & FMC2_BCR1_CCLKEN))) return 0; @@ -305,12 +333,18 @@ static u32 stm32_fmc2_ebi_ns_to_clk_period(struct stm32_fmc2_ebi *ebi, { u32 nb_clk_cycles = stm32_fmc2_ebi_ns_to_clock_cycles(ebi, cs, setup); u32 bcr, btr, clk_period; + int ret; + + ret = regmap_read(ebi->regmap, FMC2_BCR1, &bcr); + if (ret) + return ret; - regmap_read(ebi->regmap, FMC2_BCR1, &bcr); if (bcr & FMC2_BCR1_CCLKEN || !cs) - regmap_read(ebi->regmap, FMC2_BTR1, &btr); + ret = regmap_read(ebi->regmap, FMC2_BTR1, &btr); else - regmap_read(ebi->regmap, FMC2_BTR(cs), &btr); + ret = regmap_read(ebi->regmap, FMC2_BTR(cs), &btr); + if (ret) + return ret; clk_period = FIELD_GET(FMC2_BTR_CLKDIV, btr) + 1; @@ -569,11 +603,16 @@ static int stm32_fmc2_ebi_set_address_setup(struct stm32_fmc2_ebi *ebi, if (ret) return ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; + if (prop->reg_type == FMC2_REG_BWTR) - regmap_read(ebi->regmap, FMC2_BWTR(cs), &bxtr); + ret = regmap_read(ebi->regmap, FMC2_BWTR(cs), &bxtr); else - regmap_read(ebi->regmap, FMC2_BTR(cs), &bxtr); + ret = regmap_read(ebi->regmap, FMC2_BTR(cs), &bxtr); + if (ret) + return ret; if ((bxtr & FMC2_BXTR_ACCMOD) == val || bcr & FMC2_BCR_MUXEN) val = clamp_val(setup, 1, FMC2_BXTR_ADDSET_MAX); @@ -691,11 +730,14 @@ static int stm32_fmc2_ebi_set_max_low_pulse(struct stm32_fmc2_ebi *ebi, int cs, u32 setup) { u32 old_val, new_val, pcscntr; + int ret; if (setup < 1) return 0; - regmap_read(ebi->regmap, FMC2_PCSCNTR, &pcscntr); + ret = regmap_read(ebi->regmap, FMC2_PCSCNTR, &pcscntr); + if (ret) + return ret; /* Enable counter for the bank */ regmap_update_bits(ebi->regmap, FMC2_PCSCNTR, @@ -942,17 +984,20 @@ static void stm32_fmc2_ebi_disable_bank(struct stm32_fmc2_ebi *ebi, int cs) regmap_update_bits(ebi->regmap, FMC2_BCR(cs), FMC2_BCR_MBKEN, 0); } -static void stm32_fmc2_ebi_save_setup(struct stm32_fmc2_ebi *ebi) +static int stm32_fmc2_ebi_save_setup(struct stm32_fmc2_ebi *ebi) { unsigned int cs; + int ret; for (cs = 0; cs < FMC2_MAX_EBI_CE; cs++) { - regmap_read(ebi->regmap, FMC2_BCR(cs), &ebi->bcr[cs]); - regmap_read(ebi->regmap, FMC2_BTR(cs), &ebi->btr[cs]); - regmap_read(ebi->regmap, FMC2_BWTR(cs), &ebi->bwtr[cs]); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &ebi->bcr[cs]); + ret |= regmap_read(ebi->regmap, FMC2_BTR(cs), &ebi->btr[cs]); + ret |= regmap_read(ebi->regmap, FMC2_BWTR(cs), &ebi->bwtr[cs]); + if (ret) + return ret; } - regmap_read(ebi->regmap, FMC2_PCSCNTR, &ebi->pcscntr); + return regmap_read(ebi->regmap, FMC2_PCSCNTR, &ebi->pcscntr); } static void stm32_fmc2_ebi_set_setup(struct stm32_fmc2_ebi *ebi) @@ -981,22 +1026,29 @@ static void stm32_fmc2_ebi_disable_banks(struct stm32_fmc2_ebi *ebi) } /* NWAIT signal can not be connected to EBI controller and NAND controller */ -static bool stm32_fmc2_ebi_nwait_used_by_ctrls(struct stm32_fmc2_ebi *ebi) +static int stm32_fmc2_ebi_nwait_used_by_ctrls(struct stm32_fmc2_ebi *ebi) { + struct device *dev = ebi->dev; unsigned int cs; u32 bcr; + int ret; for (cs = 0; cs < FMC2_MAX_EBI_CE; cs++) { if (!(ebi->bank_assigned & BIT(cs))) continue; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; + if ((bcr & FMC2_BCR_WAITEN || bcr & FMC2_BCR_ASYNCWAIT) && - ebi->bank_assigned & BIT(FMC2_NAND)) - return true; + ebi->bank_assigned & BIT(FMC2_NAND)) { + dev_err(dev, "NWAIT signal connected to EBI and NAND controllers\n"); + return -EINVAL; + } } - return false; + return 0; } static void stm32_fmc2_ebi_enable(struct stm32_fmc2_ebi *ebi) @@ -1083,10 +1135,9 @@ static int stm32_fmc2_ebi_parse_dt(struct stm32_fmc2_ebi *ebi) return -ENODEV; } - if (stm32_fmc2_ebi_nwait_used_by_ctrls(ebi)) { - dev_err(dev, "NWAIT signal connected to EBI and NAND controllers\n"); - return -EINVAL; - } + ret = stm32_fmc2_ebi_nwait_used_by_ctrls(ebi); + if (ret) + return ret; stm32_fmc2_ebi_enable(ebi); @@ -1131,7 +1182,10 @@ static int stm32_fmc2_ebi_probe(struct platform_device *pdev) if (ret) goto err_release; - stm32_fmc2_ebi_save_setup(ebi); + ret = stm32_fmc2_ebi_save_setup(ebi); + if (ret) + goto err_release; + platform_set_drvdata(pdev, ebi); return 0; diff --git a/drivers/memory/tegra/tegra186.c b/drivers/memory/tegra/tegra186.c index 4bed0e54fd..2ff586c6b1 100644 --- a/drivers/memory/tegra/tegra186.c +++ b/drivers/memory/tegra/tegra186.c @@ -43,6 +43,9 @@ static void tegra186_mc_client_sid_override(struct tegra_mc *mc, { u32 value, old; + if (client->regs.sid.security == 0 && client->regs.sid.override == 0) + return; + value = readl(mc->regs + client->regs.sid.security); if ((value & MC_SID_STREAMID_SECURITY_OVERRIDE) == 0) { /* diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 2ba6646e87..aa0d439142 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -274,7 +274,5 @@ obj-$(CONFIG_MFD_INTEL_M10_BMC) += intel-m10-bmc.o obj-$(CONFIG_MFD_ATC260X) += atc260x-core.o obj-$(CONFIG_MFD_ATC260X_I2C) += atc260x-i2c.o -rsmu-i2c-objs := rsmu_core.o rsmu_i2c.o -rsmu-spi-objs := rsmu_core.o rsmu_spi.o -obj-$(CONFIG_MFD_RSMU_I2C) += rsmu-i2c.o -obj-$(CONFIG_MFD_RSMU_SPI) += rsmu-spi.o +obj-$(CONFIG_MFD_RSMU_I2C) += rsmu_i2c.o rsmu_core.o +obj-$(CONFIG_MFD_RSMU_SPI) += rsmu_spi.o rsmu_core.o diff --git a/drivers/mfd/omap-usb-tll.c b/drivers/mfd/omap-usb-tll.c index 080d7970a3..5971b5cb29 100644 --- a/drivers/mfd/omap-usb-tll.c +++ b/drivers/mfd/omap-usb-tll.c @@ -237,8 +237,7 @@ static int usbtll_omap_probe(struct platform_device *pdev) break; } - tll = devm_kzalloc(dev, sizeof(*tll) + sizeof(tll->ch_clk[nch]), - GFP_KERNEL); + tll = devm_kzalloc(dev, struct_size(tll, ch_clk, nch), GFP_KERNEL); if (!tll) { pm_runtime_put_sync(dev); pm_runtime_disable(dev); diff --git a/drivers/mfd/rsmu_core.c b/drivers/mfd/rsmu_core.c index 29437fd0bd..fd04a6e5df 100644 --- a/drivers/mfd/rsmu_core.c +++ b/drivers/mfd/rsmu_core.c @@ -78,11 +78,13 @@ int rsmu_core_init(struct rsmu_ddata *rsmu) return ret; } +EXPORT_SYMBOL_GPL(rsmu_core_init); void rsmu_core_exit(struct rsmu_ddata *rsmu) { mutex_destroy(&rsmu->lock); } +EXPORT_SYMBOL_GPL(rsmu_core_exit); MODULE_DESCRIPTION("Renesas SMU core driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/misc/eeprom/digsy_mtc_eeprom.c b/drivers/misc/eeprom/digsy_mtc_eeprom.c index f1f766b709..4eddc5ba1a 100644 --- a/drivers/misc/eeprom/digsy_mtc_eeprom.c +++ b/drivers/misc/eeprom/digsy_mtc_eeprom.c @@ -42,7 +42,7 @@ static void digsy_mtc_op_finish(void *p) } struct eeprom_93xx46_platform_data digsy_mtc_eeprom_data = { - .flags = EE_ADDR8, + .flags = EE_ADDR8 | EE_SIZE1K, .prepare = digsy_mtc_op_prepare, .finish = digsy_mtc_op_finish, }; diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 786f7c8f7f..71f15fba21 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -327,7 +327,7 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf, } if (!mei_cl_is_connected(cl)) { - cl_err(dev, cl, "is not connected"); + cl_dbg(dev, cl, "is not connected"); rets = -ENODEV; goto out; } diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index 188d847662..7b8e92bcaa 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -400,8 +400,10 @@ static int mei_me_pci_resume(struct device *device) } err = mei_restart(dev); - if (err) + if (err) { + free_irq(pdev->irq, dev); return err; + } /* Start timer if stopped in suspend */ schedule_delayed_work(&dev->timer_work, HZ); diff --git a/drivers/misc/pvpanic/pvpanic-mmio.c b/drivers/misc/pvpanic/pvpanic-mmio.c index 61dbff5f00..9715798acc 100644 --- a/drivers/misc/pvpanic/pvpanic-mmio.c +++ b/drivers/misc/pvpanic/pvpanic-mmio.c @@ -24,53 +24,9 @@ MODULE_AUTHOR("Hu Tao "); MODULE_DESCRIPTION("pvpanic-mmio device driver"); MODULE_LICENSE("GPL"); -static ssize_t capability_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct pvpanic_instance *pi = dev_get_drvdata(dev); - - return sysfs_emit(buf, "%x\n", pi->capability); -} -static DEVICE_ATTR_RO(capability); - -static ssize_t events_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct pvpanic_instance *pi = dev_get_drvdata(dev); - - return sysfs_emit(buf, "%x\n", pi->events); -} - -static ssize_t events_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct pvpanic_instance *pi = dev_get_drvdata(dev); - unsigned int tmp; - int err; - - err = kstrtouint(buf, 16, &tmp); - if (err) - return err; - - if ((tmp & pi->capability) != tmp) - return -EINVAL; - - pi->events = tmp; - - return count; -} -static DEVICE_ATTR_RW(events); - -static struct attribute *pvpanic_mmio_dev_attrs[] = { - &dev_attr_capability.attr, - &dev_attr_events.attr, - NULL -}; -ATTRIBUTE_GROUPS(pvpanic_mmio_dev); - static int pvpanic_mmio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct pvpanic_instance *pi; struct resource *res; void __iomem *base; @@ -93,18 +49,7 @@ static int pvpanic_mmio_probe(struct platform_device *pdev) return -EINVAL; } - pi = devm_kmalloc(dev, sizeof(*pi), GFP_KERNEL); - if (!pi) - return -ENOMEM; - - pi->base = base; - pi->capability = PVPANIC_PANICKED | PVPANIC_CRASH_LOADED; - - /* initialize capability by RDPT */ - pi->capability &= ioread8(base); - pi->events = pi->capability; - - return devm_pvpanic_probe(dev, pi); + return devm_pvpanic_probe(dev, base); } static const struct of_device_id pvpanic_mmio_match[] = { @@ -124,7 +69,7 @@ static struct platform_driver pvpanic_mmio_driver = { .name = "pvpanic-mmio", .of_match_table = pvpanic_mmio_match, .acpi_match_table = pvpanic_device_ids, - .dev_groups = pvpanic_mmio_dev_groups, + .dev_groups = pvpanic_dev_groups, }, .probe = pvpanic_mmio_probe, }; diff --git a/drivers/misc/pvpanic/pvpanic-pci.c b/drivers/misc/pvpanic/pvpanic-pci.c index 741116b3d9..2494725dfa 100644 --- a/drivers/misc/pvpanic/pvpanic-pci.c +++ b/drivers/misc/pvpanic/pvpanic-pci.c @@ -19,61 +19,11 @@ #define PCI_DEVICE_ID_REDHAT_PVPANIC 0x0011 MODULE_AUTHOR("Mihai Carabas "); -MODULE_DESCRIPTION("pvpanic device driver "); +MODULE_DESCRIPTION("pvpanic device driver"); MODULE_LICENSE("GPL"); -static const struct pci_device_id pvpanic_pci_id_tbl[] = { - { PCI_DEVICE(PCI_VENDOR_ID_REDHAT, PCI_DEVICE_ID_REDHAT_PVPANIC)}, - {} -}; - -static ssize_t capability_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct pvpanic_instance *pi = dev_get_drvdata(dev); - - return sysfs_emit(buf, "%x\n", pi->capability); -} -static DEVICE_ATTR_RO(capability); - -static ssize_t events_show(struct device *dev, struct device_attribute *attr, char *buf) +static int pvpanic_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { - struct pvpanic_instance *pi = dev_get_drvdata(dev); - - return sysfs_emit(buf, "%x\n", pi->events); -} - -static ssize_t events_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct pvpanic_instance *pi = dev_get_drvdata(dev); - unsigned int tmp; - int err; - - err = kstrtouint(buf, 16, &tmp); - if (err) - return err; - - if ((tmp & pi->capability) != tmp) - return -EINVAL; - - pi->events = tmp; - - return count; -} -static DEVICE_ATTR_RW(events); - -static struct attribute *pvpanic_pci_dev_attrs[] = { - &dev_attr_capability.attr, - &dev_attr_events.attr, - NULL -}; -ATTRIBUTE_GROUPS(pvpanic_pci_dev); - -static int pvpanic_pci_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - struct pvpanic_instance *pi; void __iomem *base; int ret; @@ -85,29 +35,19 @@ static int pvpanic_pci_probe(struct pci_dev *pdev, if (!base) return -ENOMEM; - pi = devm_kmalloc(&pdev->dev, sizeof(*pi), GFP_KERNEL); - if (!pi) - return -ENOMEM; - - pi->base = base; - pi->capability = PVPANIC_PANICKED | PVPANIC_CRASH_LOADED; - - /* initlize capability by RDPT */ - pi->capability &= ioread8(base); - pi->events = pi->capability; - - return devm_pvpanic_probe(&pdev->dev, pi); + return devm_pvpanic_probe(&pdev->dev, base); } +static const struct pci_device_id pvpanic_pci_id_tbl[] = { + { PCI_DEVICE(PCI_VENDOR_ID_REDHAT, PCI_DEVICE_ID_REDHAT_PVPANIC)}, + {} +}; +MODULE_DEVICE_TABLE(pci, pvpanic_pci_id_tbl); + static struct pci_driver pvpanic_pci_driver = { .name = "pvpanic-pci", .id_table = pvpanic_pci_id_tbl, .probe = pvpanic_pci_probe, - .driver = { - .dev_groups = pvpanic_pci_dev_groups, - }, + .dev_groups = pvpanic_dev_groups, }; - -MODULE_DEVICE_TABLE(pci, pvpanic_pci_id_tbl); - module_pci_driver(pvpanic_pci_driver); diff --git a/drivers/misc/pvpanic/pvpanic.c b/drivers/misc/pvpanic/pvpanic.c index b9e6400a57..305b367e0c 100644 --- a/drivers/misc/pvpanic/pvpanic.c +++ b/drivers/misc/pvpanic/pvpanic.c @@ -7,6 +7,7 @@ * Copyright (C) 2021 Oracle. */ +#include #include #include #include @@ -23,9 +24,16 @@ #include "pvpanic.h" MODULE_AUTHOR("Mihai Carabas "); -MODULE_DESCRIPTION("pvpanic device driver "); +MODULE_DESCRIPTION("pvpanic device driver"); MODULE_LICENSE("GPL"); +struct pvpanic_instance { + void __iomem *base; + unsigned int capability; + unsigned int events; + struct list_head list; +}; + static struct list_head pvpanic_list; static spinlock_t pvpanic_lock; @@ -45,8 +53,7 @@ pvpanic_send_event(unsigned int event) } static int -pvpanic_panic_notify(struct notifier_block *nb, unsigned long code, - void *unused) +pvpanic_panic_notify(struct notifier_block *nb, unsigned long code, void *unused) { unsigned int event = PVPANIC_PANICKED; @@ -82,11 +89,75 @@ static void pvpanic_remove(void *param) spin_unlock(&pvpanic_lock); } -int devm_pvpanic_probe(struct device *dev, struct pvpanic_instance *pi) +static ssize_t capability_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct pvpanic_instance *pi = dev_get_drvdata(dev); + + return sysfs_emit(buf, "%x\n", pi->capability); +} +static DEVICE_ATTR_RO(capability); + +static ssize_t events_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct pvpanic_instance *pi = dev_get_drvdata(dev); + + return sysfs_emit(buf, "%x\n", pi->events); +} + +static ssize_t events_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { - if (!pi || !pi->base) + struct pvpanic_instance *pi = dev_get_drvdata(dev); + unsigned int tmp; + int err; + + err = kstrtouint(buf, 16, &tmp); + if (err) + return err; + + if ((tmp & pi->capability) != tmp) return -EINVAL; + pi->events = tmp; + + return count; +} +static DEVICE_ATTR_RW(events); + +static struct attribute *pvpanic_dev_attrs[] = { + &dev_attr_capability.attr, + &dev_attr_events.attr, + NULL +}; + +static const struct attribute_group pvpanic_dev_group = { + .attrs = pvpanic_dev_attrs, +}; + +const struct attribute_group *pvpanic_dev_groups[] = { + &pvpanic_dev_group, + NULL +}; +EXPORT_SYMBOL_GPL(pvpanic_dev_groups); + +int devm_pvpanic_probe(struct device *dev, void __iomem *base) +{ + struct pvpanic_instance *pi; + + if (!base) + return -EINVAL; + + pi = devm_kmalloc(dev, sizeof(*pi), GFP_KERNEL); + if (!pi) + return -ENOMEM; + + pi->base = base; + pi->capability = PVPANIC_PANICKED | PVPANIC_CRASH_LOADED; + + /* initlize capability by RDPT */ + pi->capability &= ioread8(base); + pi->events = pi->capability; + spin_lock(&pvpanic_lock); list_add(&pi->list, &pvpanic_list); spin_unlock(&pvpanic_lock); @@ -102,18 +173,15 @@ static int pvpanic_init(void) INIT_LIST_HEAD(&pvpanic_list); spin_lock_init(&pvpanic_lock); - atomic_notifier_chain_register(&panic_notifier_list, - &pvpanic_panic_nb); + atomic_notifier_chain_register(&panic_notifier_list, &pvpanic_panic_nb); return 0; } +module_init(pvpanic_init); static void pvpanic_exit(void) { - atomic_notifier_chain_unregister(&panic_notifier_list, - &pvpanic_panic_nb); + atomic_notifier_chain_unregister(&panic_notifier_list, &pvpanic_panic_nb); } - -module_init(pvpanic_init); module_exit(pvpanic_exit); diff --git a/drivers/misc/pvpanic/pvpanic.h b/drivers/misc/pvpanic/pvpanic.h index 4935459517..46ffb10438 100644 --- a/drivers/misc/pvpanic/pvpanic.h +++ b/drivers/misc/pvpanic/pvpanic.h @@ -8,13 +8,7 @@ #ifndef PVPANIC_H_ #define PVPANIC_H_ -struct pvpanic_instance { - void __iomem *base; - unsigned int capability; - unsigned int events; - struct list_head list; -}; - -int devm_pvpanic_probe(struct device *dev, struct pvpanic_instance *pi); +int devm_pvpanic_probe(struct device *dev, void __iomem *base); +extern const struct attribute_group *pvpanic_dev_groups[]; #endif /* PVPANIC_H_ */ diff --git a/drivers/misc/sgi-gru/grukservices.c b/drivers/misc/sgi-gru/grukservices.c index 0ea923fe63..e2bdba4742 100644 --- a/drivers/misc/sgi-gru/grukservices.c +++ b/drivers/misc/sgi-gru/grukservices.c @@ -258,7 +258,6 @@ static int gru_get_cpu_resources(int dsr_bytes, void **cb, void **dsr) int lcpu; BUG_ON(dsr_bytes > GRU_NUM_KERNEL_DSR_BYTES); - preempt_disable(); bs = gru_lock_kernel_context(-1); lcpu = uv_blade_processor_id(); *cb = bs->kernel_cb + lcpu * GRU_HANDLE_STRIDE; @@ -272,7 +271,6 @@ static int gru_get_cpu_resources(int dsr_bytes, void **cb, void **dsr) static void gru_free_cpu_resources(void *cb, void *dsr) { gru_unlock_kernel_context(uv_numa_blade_id()); - preempt_enable(); } /* diff --git a/drivers/misc/sgi-gru/grumain.c b/drivers/misc/sgi-gru/grumain.c index 3a16eb8e03..9b8bdd57ec 100644 --- a/drivers/misc/sgi-gru/grumain.c +++ b/drivers/misc/sgi-gru/grumain.c @@ -941,10 +941,8 @@ vm_fault_t gru_fault(struct vm_fault *vmf) again: mutex_lock(>s->ts_ctxlock); - preempt_disable(); if (gru_check_context_placement(gts)) { - preempt_enable(); mutex_unlock(>s->ts_ctxlock); gru_unload_context(gts, 1); return VM_FAULT_NOPAGE; @@ -953,7 +951,6 @@ vm_fault_t gru_fault(struct vm_fault *vmf) if (!gts->ts_gru) { STAT(load_user_context); if (!gru_assign_gru_context(gts)) { - preempt_enable(); mutex_unlock(>s->ts_ctxlock); set_current_state(TASK_INTERRUPTIBLE); schedule_timeout(GRU_ASSIGN_DELAY); /* true hack ZZZ */ @@ -969,7 +966,6 @@ vm_fault_t gru_fault(struct vm_fault *vmf) vma->vm_page_prot); } - preempt_enable(); mutex_unlock(>s->ts_ctxlock); return VM_FAULT_NOPAGE; diff --git a/drivers/misc/sgi-gru/grutlbpurge.c b/drivers/misc/sgi-gru/grutlbpurge.c index 10921cd260..1107dd3e2e 100644 --- a/drivers/misc/sgi-gru/grutlbpurge.c +++ b/drivers/misc/sgi-gru/grutlbpurge.c @@ -65,7 +65,6 @@ static struct gru_tlb_global_handle *get_lock_tgh_handle(struct gru_state struct gru_tlb_global_handle *tgh; int n; - preempt_disable(); if (uv_numa_blade_id() == gru->gs_blade_id) n = get_on_blade_tgh(gru); else @@ -79,7 +78,6 @@ static struct gru_tlb_global_handle *get_lock_tgh_handle(struct gru_state static void get_unlock_tgh_handle(struct gru_tlb_global_handle *tgh) { unlock_tgh_handle(tgh); - preempt_enable(); } /* diff --git a/drivers/misc/vmw_vmci/vmci_event.c b/drivers/misc/vmw_vmci/vmci_event.c index e3436abf39..5b7ef47f4c 100644 --- a/drivers/misc/vmw_vmci/vmci_event.c +++ b/drivers/misc/vmw_vmci/vmci_event.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include #include @@ -86,9 +87,12 @@ static void event_deliver(struct vmci_event_msg *event_msg) { struct vmci_subscription *cur; struct list_head *subscriber_list; + u32 sanitized_event, max_vmci_event; rcu_read_lock(); - subscriber_list = &subscriber_array[event_msg->event_data.event]; + max_vmci_event = ARRAY_SIZE(subscriber_array); + sanitized_event = array_index_nospec(event_msg->event_data.event, max_vmci_event); + subscriber_list = &subscriber_array[sanitized_event]; list_for_each_entry_rcu(cur, subscriber_list, node) { cur->callback(cur->id, &event_msg->event_data, cur->callback_data); diff --git a/drivers/misc/vmw_vmci/vmci_resource.c b/drivers/misc/vmw_vmci/vmci_resource.c index 692daa9eff..19c9d2cdd2 100644 --- a/drivers/misc/vmw_vmci/vmci_resource.c +++ b/drivers/misc/vmw_vmci/vmci_resource.c @@ -144,7 +144,8 @@ void vmci_resource_remove(struct vmci_resource *resource) spin_lock(&vmci_resource_table.lock); hlist_for_each_entry(r, &vmci_resource_table.entries[idx], node) { - if (vmci_handle_is_equal(r->handle, resource->handle)) { + if (vmci_handle_is_equal(r->handle, resource->handle) && + resource->type == r->type) { hlist_del_init_rcu(&r->node); break; } diff --git a/drivers/mmc/core/mmc_test.c b/drivers/mmc/core/mmc_test.c index 4052f828f7..e03d4405cd 100644 --- a/drivers/mmc/core/mmc_test.c +++ b/drivers/mmc/core/mmc_test.c @@ -3111,13 +3111,13 @@ static ssize_t mtf_test_write(struct file *file, const char __user *buf, test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL); #ifdef CONFIG_HIGHMEM test->highmem = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, BUFFER_ORDER); + if (!test->highmem) { + count = -ENOMEM; + goto free_test_buffer; + } #endif -#ifdef CONFIG_HIGHMEM - if (test->buffer && test->highmem) { -#else if (test->buffer) { -#endif mutex_lock(&mmc_test_lock); mmc_test_run(test, testcase); mutex_unlock(&mmc_test_lock); @@ -3125,6 +3125,7 @@ static ssize_t mtf_test_write(struct file *file, const char __user *buf, #ifdef CONFIG_HIGHMEM __free_pages(test->highmem, BUFFER_ORDER); +free_test_buffer: #endif kfree(test->buffer); kfree(test); diff --git a/drivers/mmc/host/cqhci-core.c b/drivers/mmc/host/cqhci-core.c index 961442e9a6..9569d56193 100644 --- a/drivers/mmc/host/cqhci-core.c +++ b/drivers/mmc/host/cqhci-core.c @@ -612,7 +612,7 @@ static int cqhci_request(struct mmc_host *mmc, struct mmc_request *mrq) cqhci_writel(cq_host, 0, CQHCI_CTL); mmc->cqe_on = true; pr_debug("%s: cqhci: CQE on\n", mmc_hostname(mmc)); - if (cqhci_readl(cq_host, CQHCI_CTL) && CQHCI_HALT) { + if (cqhci_readl(cq_host, CQHCI_CTL) & CQHCI_HALT) { pr_err("%s: cqhci: CQE failed to exit halt state\n", mmc_hostname(mmc)); } diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c index 80de660027..e0175808c3 100644 --- a/drivers/mmc/host/davinci_mmc.c +++ b/drivers/mmc/host/davinci_mmc.c @@ -1347,7 +1347,7 @@ static int davinci_mmcsd_probe(struct platform_device *pdev) return ret; } -static int __exit davinci_mmcsd_remove(struct platform_device *pdev) +static void davinci_mmcsd_remove(struct platform_device *pdev) { struct mmc_davinci_host *host = platform_get_drvdata(pdev); @@ -1356,8 +1356,6 @@ static int __exit davinci_mmcsd_remove(struct platform_device *pdev) davinci_release_dma_channels(host); clk_disable_unprepare(host->clk); mmc_free_host(host->mmc); - - return 0; } #ifdef CONFIG_PM @@ -1404,7 +1402,7 @@ static struct platform_driver davinci_mmcsd_driver = { .of_match_table = davinci_mmc_dt_ids, }, .probe = davinci_mmcsd_probe, - .remove = __exit_p(davinci_mmcsd_remove), + .remove_new = davinci_mmcsd_remove, .id_table = davinci_mmc_devtype, }; diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 1e8f1bb3ca..9a80de37ac 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -2903,8 +2903,8 @@ static int dw_mci_init_slot(struct dw_mci *host) if (host->use_dma == TRANS_MODE_IDMAC) { mmc->max_segs = host->ring_size; mmc->max_blk_size = 65535; - mmc->max_seg_size = 0x1000; - mmc->max_req_size = mmc->max_seg_size * host->ring_size; + mmc->max_req_size = DW_MCI_DESC_DATA_LENGTH * host->ring_size; + mmc->max_seg_size = mmc->max_req_size; mmc->max_blk_count = mmc->max_req_size / 512; } else if (host->use_dma == TRANS_MODE_EDMAC) { mmc->max_segs = 64; @@ -3246,6 +3246,10 @@ int dw_mci_probe(struct dw_mci *host) host->biu_clk = devm_clk_get(host->dev, "biu"); if (IS_ERR(host->biu_clk)) { dev_dbg(host->dev, "biu clock not available\n"); + ret = PTR_ERR(host->biu_clk); + if (ret == -EPROBE_DEFER) + return ret; + } else { ret = clk_prepare_enable(host->biu_clk); if (ret) { @@ -3257,6 +3261,10 @@ int dw_mci_probe(struct dw_mci *host) host->ciu_clk = devm_clk_get(host->dev, "ciu"); if (IS_ERR(host->ciu_clk)) { dev_dbg(host->dev, "ciu clock not available\n"); + ret = PTR_ERR(host->ciu_clk); + if (ret == -EPROBE_DEFER) + goto err_clk_biu; + host->bus_hz = host->pdata->bus_hz; } else { ret = clk_prepare_enable(host->ciu_clk); diff --git a/drivers/mmc/host/sdhci-of-aspeed.c b/drivers/mmc/host/sdhci-of-aspeed.c index 6e4e132903..84f91c517d 100644 --- a/drivers/mmc/host/sdhci-of-aspeed.c +++ b/drivers/mmc/host/sdhci-of-aspeed.c @@ -513,6 +513,7 @@ static const struct of_device_id aspeed_sdhci_of_match[] = { { .compatible = "aspeed,ast2600-sdhci", .data = &ast2600_sdhci_pdata, }, { } }; +MODULE_DEVICE_TABLE(of, aspeed_sdhci_of_match); static struct platform_driver aspeed_sdhci_driver = { .driver = { diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c index 8736e04fa7..7c23155785 100644 --- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -1399,7 +1399,7 @@ static int jmicron_pmos(struct sdhci_pci_chip *chip, int on) ret = pci_read_config_byte(chip->pdev, 0xAE, &scratch); if (ret) - return ret; + goto fail; /* * Turn PMOS on [bit 0], set over current detection to 2.4 V @@ -1410,7 +1410,10 @@ static int jmicron_pmos(struct sdhci_pci_chip *chip, int on) else scratch &= ~0x47; - return pci_write_config_byte(chip->pdev, 0xAE, scratch); + ret = pci_write_config_byte(chip->pdev, 0xAE, scratch); + +fail: + return pcibios_err_to_errno(ret); } static int jmicron_probe(struct sdhci_pci_chip *chip) @@ -2327,7 +2330,7 @@ static int sdhci_pci_probe(struct pci_dev *pdev, ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &slots); if (ret) - return ret; + return pcibios_err_to_errno(ret); slots = PCI_SLOT_INFO_SLOTS(slots) + 1; dev_dbg(&pdev->dev, "found %d slot(s)\n", slots); @@ -2336,7 +2339,7 @@ static int sdhci_pci_probe(struct pci_dev *pdev, ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &first_bar); if (ret) - return ret; + return pcibios_err_to_errno(ret); first_bar &= PCI_SLOT_INFO_FIRST_BAR_MASK; diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index d897c981b0..c0900b2f7b 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2487,26 +2487,29 @@ static int sdhci_get_cd(struct mmc_host *mmc) static int sdhci_check_ro(struct sdhci_host *host) { - unsigned long flags; + bool allow_invert = false; int is_readonly; - spin_lock_irqsave(&host->lock, flags); - - if (host->flags & SDHCI_DEVICE_DEAD) + if (host->flags & SDHCI_DEVICE_DEAD) { is_readonly = 0; - else if (host->ops->get_ro) + } else if (host->ops->get_ro) { is_readonly = host->ops->get_ro(host); - else if (mmc_can_gpio_ro(host->mmc)) + } else if (mmc_can_gpio_ro(host->mmc)) { is_readonly = mmc_gpio_get_ro(host->mmc); - else + /* Do not invert twice */ + allow_invert = !(host->mmc->caps2 & MMC_CAP2_RO_ACTIVE_HIGH); + } else { is_readonly = !(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_WRITE_PROTECT); + allow_invert = true; + } - spin_unlock_irqrestore(&host->lock, flags); + if (is_readonly >= 0 && + allow_invert && + (host->quirks & SDHCI_QUIRK_INVERTED_WRITE_PROTECT)) + is_readonly = !is_readonly; - /* This quirk needs to be replaced by a callback-function later */ - return host->quirks & SDHCI_QUIRK_INVERTED_WRITE_PROTECT ? - !is_readonly : is_readonly; + return is_readonly; } #define SAMPLE_COUNT 5 diff --git a/drivers/mtd/devices/powernv_flash.c b/drivers/mtd/devices/powernv_flash.c index 6950a87648..1277ca677b 100644 --- a/drivers/mtd/devices/powernv_flash.c +++ b/drivers/mtd/devices/powernv_flash.c @@ -207,6 +207,9 @@ static int powernv_flash_set_driver_info(struct device *dev, * get them */ mtd->name = devm_kasprintf(dev, GFP_KERNEL, "%pOFP", dev->of_node); + if (!mtd->name) + return -ENOMEM; + mtd->type = MTD_NORFLASH; mtd->flags = MTD_WRITEABLE; mtd->size = size; diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c index 28131a127d..8297b366a0 100644 --- a/drivers/mtd/devices/slram.c +++ b/drivers/mtd/devices/slram.c @@ -296,10 +296,12 @@ static int __init init_slram(void) T("slram: devname = %s\n", devname); if ((!map) || (!(devstart = strsep(&map, ",")))) { E("slram: No devicestart specified.\n"); + break; } T("slram: devstart = %s\n", devstart); if ((!map) || (!(devlength = strsep(&map, ",")))) { E("slram: No devicelength / -end specified.\n"); + break; } T("slram: devlength = %s\n", devlength); if (parse_cmdline(devname, devstart, devlength) != 0) { diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig index 67b7cb67c0..aa584aaf8a 100644 --- a/drivers/mtd/nand/raw/Kconfig +++ b/drivers/mtd/nand/raw/Kconfig @@ -254,8 +254,7 @@ config MTD_NAND_FSL_IFC tristate "Freescale IFC NAND controller" depends on FSL_SOC || ARCH_LAYERSCAPE || SOC_LS1021A || COMPILE_TEST depends on HAS_IOMEM - select FSL_IFC - select MEMORY + depends on FSL_IFC help Various Freescale chips e.g P1010, include a NAND Flash machine with built-in hardware ECC capabilities. diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index 881e768f63..ee8f47feea 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -1089,28 +1089,32 @@ static int nand_fill_column_cycles(struct nand_chip *chip, u8 *addrs, unsigned int offset_in_page) { struct mtd_info *mtd = nand_to_mtd(chip); + bool ident_stage = !mtd->writesize; - /* Make sure the offset is less than the actual page size. */ - if (offset_in_page > mtd->writesize + mtd->oobsize) - return -EINVAL; + /* Bypass all checks during NAND identification */ + if (likely(!ident_stage)) { + /* Make sure the offset is less than the actual page size. */ + if (offset_in_page > mtd->writesize + mtd->oobsize) + return -EINVAL; - /* - * On small page NANDs, there's a dedicated command to access the OOB - * area, and the column address is relative to the start of the OOB - * area, not the start of the page. Asjust the address accordingly. - */ - if (mtd->writesize <= 512 && offset_in_page >= mtd->writesize) - offset_in_page -= mtd->writesize; + /* + * On small page NANDs, there's a dedicated command to access the OOB + * area, and the column address is relative to the start of the OOB + * area, not the start of the page. Asjust the address accordingly. + */ + if (mtd->writesize <= 512 && offset_in_page >= mtd->writesize) + offset_in_page -= mtd->writesize; - /* - * The offset in page is expressed in bytes, if the NAND bus is 16-bit - * wide, then it must be divided by 2. - */ - if (chip->options & NAND_BUSWIDTH_16) { - if (WARN_ON(offset_in_page % 2)) - return -EINVAL; + /* + * The offset in page is expressed in bytes, if the NAND bus is 16-bit + * wide, then it must be divided by 2. + */ + if (chip->options & NAND_BUSWIDTH_16) { + if (WARN_ON(offset_in_page % 2)) + return -EINVAL; - offset_in_page /= 2; + offset_in_page /= 2; + } } addrs[0] = offset_in_page; @@ -1119,7 +1123,7 @@ static int nand_fill_column_cycles(struct nand_chip *chip, u8 *addrs, * Small page NANDs use 1 cycle for the columns, while large page NANDs * need 2 */ - if (mtd->writesize <= 512) + if (!ident_stage && mtd->writesize <= 512) return 1; addrs[1] = offset_in_page >> 8; @@ -1315,16 +1319,19 @@ int nand_change_read_column_op(struct nand_chip *chip, unsigned int len, bool force_8bit) { struct mtd_info *mtd = nand_to_mtd(chip); + bool ident_stage = !mtd->writesize; if (len && !buf) return -EINVAL; - if (offset_in_page + len > mtd->writesize + mtd->oobsize) - return -EINVAL; + if (!ident_stage) { + if (offset_in_page + len > mtd->writesize + mtd->oobsize) + return -EINVAL; - /* Small page NANDs do not support column change. */ - if (mtd->writesize <= 512) - return -ENOTSUPP; + /* Small page NANDs do not support column change. */ + if (mtd->writesize <= 512) + return -ENOTSUPP; + } if (nand_has_exec_op(chip)) { const struct nand_interface_config *conf = @@ -6050,6 +6057,7 @@ static const struct nand_ops rawnand_ops = { static int nand_scan_tail(struct nand_chip *chip) { struct mtd_info *mtd = nand_to_mtd(chip); + struct nand_device *base = &chip->base; struct nand_ecc_ctrl *ecc = &chip->ecc; int ret, i; @@ -6194,9 +6202,13 @@ static int nand_scan_tail(struct nand_chip *chip) if (!ecc->write_oob_raw) ecc->write_oob_raw = ecc->write_oob; - /* propagate ecc info to mtd_info */ + /* Propagate ECC info to the generic NAND and MTD layers */ mtd->ecc_strength = ecc->strength; + if (!base->ecc.ctx.conf.strength) + base->ecc.ctx.conf.strength = ecc->strength; mtd->ecc_step_size = ecc->size; + if (!base->ecc.ctx.conf.step_size) + base->ecc.ctx.conf.step_size = ecc->size; /* * Set the number of read / write steps for one page depending on ECC @@ -6204,6 +6216,8 @@ static int nand_scan_tail(struct nand_chip *chip) */ if (!ecc->steps) ecc->steps = mtd->writesize / ecc->size; + if (!base->ecc.ctx.nsteps) + base->ecc.ctx.nsteps = ecc->steps; if (ecc->steps * ecc->size != mtd->writesize) { WARN(1, "Invalid ECC parameters\n"); ret = -EINVAL; diff --git a/drivers/mtd/nand/raw/rockchip-nand-controller.c b/drivers/mtd/nand/raw/rockchip-nand-controller.c index 99242bd684..f45c85a1a5 100644 --- a/drivers/mtd/nand/raw/rockchip-nand-controller.c +++ b/drivers/mtd/nand/raw/rockchip-nand-controller.c @@ -421,13 +421,13 @@ static int rk_nfc_setup_interface(struct nand_chip *chip, int target, u32 rate, tc2rw, trwpw, trw2c; u32 temp; - if (target < 0) - return 0; - timings = nand_get_sdr_timings(conf); if (IS_ERR(timings)) return -EOPNOTSUPP; + if (target < 0) + return 0; + if (IS_ERR(nfc->nfc_clk)) rate = clk_get_rate(nfc->ahb_clk); else diff --git a/drivers/mtd/parsers/redboot.c b/drivers/mtd/parsers/redboot.c index a16b42a885..3b55b676ca 100644 --- a/drivers/mtd/parsers/redboot.c +++ b/drivers/mtd/parsers/redboot.c @@ -102,7 +102,7 @@ static int parse_redboot_partitions(struct mtd_info *master, offset -= master->erasesize; } } else { - offset = directory * master->erasesize; + offset = (unsigned long) directory * master->erasesize; while (mtd_block_isbad(master, offset)) { offset += master->erasesize; if (offset == master->size) diff --git a/drivers/mtd/tests/Makefile b/drivers/mtd/tests/Makefile index 5de0378f90..7dae831ee8 100644 --- a/drivers/mtd/tests/Makefile +++ b/drivers/mtd/tests/Makefile @@ -1,19 +1,19 @@ # SPDX-License-Identifier: GPL-2.0 -obj-$(CONFIG_MTD_TESTS) += mtd_oobtest.o -obj-$(CONFIG_MTD_TESTS) += mtd_pagetest.o -obj-$(CONFIG_MTD_TESTS) += mtd_readtest.o -obj-$(CONFIG_MTD_TESTS) += mtd_speedtest.o -obj-$(CONFIG_MTD_TESTS) += mtd_stresstest.o -obj-$(CONFIG_MTD_TESTS) += mtd_subpagetest.o -obj-$(CONFIG_MTD_TESTS) += mtd_torturetest.o -obj-$(CONFIG_MTD_TESTS) += mtd_nandecctest.o -obj-$(CONFIG_MTD_TESTS) += mtd_nandbiterrs.o +obj-$(CONFIG_MTD_TESTS) += mtd_oobtest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_pagetest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_readtest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_speedtest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_stresstest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_subpagetest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_torturetest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_nandecctest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_nandbiterrs.o mtd_test.o -mtd_oobtest-objs := oobtest.o mtd_test.o -mtd_pagetest-objs := pagetest.o mtd_test.o -mtd_readtest-objs := readtest.o mtd_test.o -mtd_speedtest-objs := speedtest.o mtd_test.o -mtd_stresstest-objs := stresstest.o mtd_test.o -mtd_subpagetest-objs := subpagetest.o mtd_test.o -mtd_torturetest-objs := torturetest.o mtd_test.o -mtd_nandbiterrs-objs := nandbiterrs.o mtd_test.o +mtd_oobtest-objs := oobtest.o +mtd_pagetest-objs := pagetest.o +mtd_readtest-objs := readtest.o +mtd_speedtest-objs := speedtest.o +mtd_stresstest-objs := stresstest.o +mtd_subpagetest-objs := subpagetest.o +mtd_torturetest-objs := torturetest.o +mtd_nandbiterrs-objs := nandbiterrs.o diff --git a/drivers/mtd/tests/mtd_test.c b/drivers/mtd/tests/mtd_test.c index c84250beff..f391e0300c 100644 --- a/drivers/mtd/tests/mtd_test.c +++ b/drivers/mtd/tests/mtd_test.c @@ -25,6 +25,7 @@ int mtdtest_erase_eraseblock(struct mtd_info *mtd, unsigned int ebnum) return 0; } +EXPORT_SYMBOL_GPL(mtdtest_erase_eraseblock); static int is_block_bad(struct mtd_info *mtd, unsigned int ebnum) { @@ -57,6 +58,7 @@ int mtdtest_scan_for_bad_eraseblocks(struct mtd_info *mtd, unsigned char *bbt, return 0; } +EXPORT_SYMBOL_GPL(mtdtest_scan_for_bad_eraseblocks); int mtdtest_erase_good_eraseblocks(struct mtd_info *mtd, unsigned char *bbt, unsigned int eb, int ebcnt) @@ -75,6 +77,7 @@ int mtdtest_erase_good_eraseblocks(struct mtd_info *mtd, unsigned char *bbt, return 0; } +EXPORT_SYMBOL_GPL(mtdtest_erase_good_eraseblocks); int mtdtest_read(struct mtd_info *mtd, loff_t addr, size_t size, void *buf) { @@ -92,6 +95,7 @@ int mtdtest_read(struct mtd_info *mtd, loff_t addr, size_t size, void *buf) return err; } +EXPORT_SYMBOL_GPL(mtdtest_read); int mtdtest_write(struct mtd_info *mtd, loff_t addr, size_t size, const void *buf) @@ -107,3 +111,8 @@ int mtdtest_write(struct mtd_info *mtd, loff_t addr, size_t size, return err; } +EXPORT_SYMBOL_GPL(mtdtest_write); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("MTD function test helpers"); +MODULE_AUTHOR("Akinobu Mita"); diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c index 4d05b8d320..41e0f09870 100644 --- a/drivers/mtd/ubi/eba.c +++ b/drivers/mtd/ubi/eba.c @@ -1560,6 +1560,7 @@ int self_check_eba(struct ubi_device *ubi, struct ubi_attach_info *ai_fastmap, GFP_KERNEL); if (!fm_eba[i]) { ret = -ENOMEM; + kfree(scan_eba[i]); goto out_free; } @@ -1595,7 +1596,7 @@ int self_check_eba(struct ubi_device *ubi, struct ubi_attach_info *ai_fastmap, } out_free: - for (i = 0; i < num_volumes; i++) { + while (--i >= 0) { if (!ubi->volumes[i]) continue; diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c index 98c915943f..bec8a2c865 100644 --- a/drivers/net/bareudp.c +++ b/drivers/net/bareudp.c @@ -60,6 +60,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) __be16 proto; void *oiph; int err; + int nh; bareudp = rcu_dereference_sk_user_data(sk); if (!bareudp) @@ -75,7 +76,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) if (skb_copy_bits(skb, BAREUDP_BASE_HLEN, &ipversion, sizeof(ipversion))) { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } ipversion >>= 4; @@ -85,7 +86,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) } else if (ipversion == 6 && bareudp->multi_proto_mode) { proto = htons(ETH_P_IPV6); } else { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } } else if (bareudp->ethertype == htons(ETH_P_MPLS_UC)) { @@ -99,7 +100,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) ipv4_is_multicast(tunnel_hdr->daddr)) { proto = htons(ETH_P_MPLS_MC); } else { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } } else { @@ -115,7 +116,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) (addr_type & IPV6_ADDR_MULTICAST)) { proto = htons(ETH_P_MPLS_MC); } else { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } } @@ -127,20 +128,35 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) proto, !net_eq(bareudp->net, dev_net(bareudp->dev)))) { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } tun_dst = udp_tun_rx_dst(skb, family, TUNNEL_KEY, 0, 0); if (!tun_dst) { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } skb_dst_set(skb, &tun_dst->dst); skb->dev = bareudp->dev; - oiph = skb_network_header(skb); - skb_reset_network_header(skb); skb_reset_mac_header(skb); + /* Save offset of outer header relative to skb->head, + * because we are going to reset the network header to the inner header + * and might change skb->head. + */ + nh = skb_network_header(skb) - skb->head; + + skb_reset_network_header(skb); + + if (!pskb_inet_may_pull(skb)) { + DEV_STATS_INC(bareudp->dev, rx_length_errors); + DEV_STATS_INC(bareudp->dev, rx_errors); + goto drop; + } + + /* Get the outer header. */ + oiph = skb->head + nh; + if (!ipv6_mod_enabled() || family == AF_INET) err = IP_ECN_decapsulate(oiph, skb); else @@ -158,8 +174,8 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) &((struct ipv6hdr *)oiph)->saddr); } if (err > 1) { - ++bareudp->dev->stats.rx_frame_errors; - ++bareudp->dev->stats.rx_errors; + DEV_STATS_INC(bareudp->dev, rx_frame_errors); + DEV_STATS_INC(bareudp->dev, rx_errors); goto drop; } } @@ -296,6 +312,9 @@ static int bareudp_xmit_skb(struct sk_buff *skb, struct net_device *dev, __be32 saddr; int err; + if (!skb_vlan_inet_prepare(skb, skb->protocol != htons(ETH_P_TEB))) + return -EINVAL; + if (!sock) return -ESHUTDOWN; @@ -359,6 +378,9 @@ static int bareudp6_xmit_skb(struct sk_buff *skb, struct net_device *dev, __be16 sport; int err; + if (!skb_vlan_inet_prepare(skb, skb->protocol != htons(ETH_P_TEB))) + return -EINVAL; + if (!sock) return -ESHUTDOWN; @@ -455,11 +477,11 @@ static netdev_tx_t bareudp_xmit(struct sk_buff *skb, struct net_device *dev) dev_kfree_skb(skb); if (err == -ELOOP) - dev->stats.collisions++; + DEV_STATS_INC(dev, collisions); else if (err == -ENETUNREACH) - dev->stats.tx_carrier_errors++; + DEV_STATS_INC(dev, tx_carrier_errors); - dev->stats.tx_errors++; + DEV_STATS_INC(dev, tx_errors); return NETDEV_TX_OK; } diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 9aed194d30..67d153cc6a 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -575,7 +575,6 @@ static void bond_ipsec_del_sa_all(struct bonding *bond) } else { slave->dev->xfrmdev_ops->xdo_dev_state_delete(ipsec->xs); } - ipsec->xs->xso.real_dev = NULL; } spin_unlock_bh(&bond->ipsec_lock); rcu_read_unlock(); @@ -592,34 +591,30 @@ static bool bond_ipsec_offload_ok(struct sk_buff *skb, struct xfrm_state *xs) struct net_device *real_dev; struct slave *curr_active; struct bonding *bond; - int err; + bool ok = false; bond = netdev_priv(bond_dev); rcu_read_lock(); curr_active = rcu_dereference(bond->curr_active_slave); + if (!curr_active) + goto out; real_dev = curr_active->dev; - if (BOND_MODE(bond) != BOND_MODE_ACTIVEBACKUP) { - err = false; + if (BOND_MODE(bond) != BOND_MODE_ACTIVEBACKUP) goto out; - } - if (!xs->xso.real_dev) { - err = false; + if (!xs->xso.real_dev) goto out; - } if (!real_dev->xfrmdev_ops || !real_dev->xfrmdev_ops->xdo_dev_offload_ok || - netif_is_bond_master(real_dev)) { - err = false; + netif_is_bond_master(real_dev)) goto out; - } - err = real_dev->xfrmdev_ops->xdo_dev_offload_ok(skb, xs); + ok = real_dev->xfrmdev_ops->xdo_dev_offload_ok(skb, xs); out: rcu_read_unlock(); - return err; + return ok; } static const struct xfrmdev_ops bond_xfrmdev_ops = { @@ -1087,13 +1082,10 @@ static struct slave *bond_find_best_slave(struct bonding *bond) return bestslave; } +/* must be called in RCU critical section or with RTNL held */ static bool bond_should_notify_peers(struct bonding *bond) { - struct slave *slave; - - rcu_read_lock(); - slave = rcu_dereference(bond->curr_active_slave); - rcu_read_unlock(); + struct slave *slave = rcu_dereference_rtnl(bond->curr_active_slave); if (!slave || !bond->send_peer_notif || bond->send_peer_notif % @@ -5199,9 +5191,9 @@ bond_xdp_get_xmit_slave(struct net_device *bond_dev, struct xdp_buff *xdp) break; default: - /* Should never happen. Mode guarded by bond_xdp_check() */ - netdev_err(bond_dev, "Unknown bonding mode %d for xdp xmit\n", BOND_MODE(bond)); - WARN_ON_ONCE(1); + if (net_ratelimit()) + netdev_err(bond_dev, "Unknown bonding mode %d for xdp xmit\n", + BOND_MODE(bond)); return NULL; } diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index 5f883a18bb..5da4599377 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -893,7 +893,7 @@ static int bond_option_active_slave_set(struct bonding *bond, /* check to see if we are clearing active */ if (!slave_dev) { netdev_dbg(bond->dev, "Clearing current active slave\n"); - RCU_INIT_POINTER(bond->curr_active_slave, NULL); + bond_change_active_slave(bond, NULL); bond_select_active_slave(bond); } else { struct slave *old_active = rtnl_dereference(bond->curr_active_slave); @@ -1171,9 +1171,9 @@ static int bond_option_arp_ip_targets_set(struct bonding *bond, __be32 target; if (newval->string) { - if (!in4_pton(newval->string+1, -1, (u8 *)&target, -1, NULL)) { - netdev_err(bond->dev, "invalid ARP target %pI4 specified\n", - &target); + if (strlen(newval->string) < 1 || + !in4_pton(newval->string + 1, -1, (u8 *)&target, -1, NULL)) { + netdev_err(bond->dev, "invalid ARP target specified\n"); return ret; } if (newval->string[0] == '+') diff --git a/drivers/net/can/c_can/c_can_main.c b/drivers/net/can/c_can/c_can_main.c index e04d4e7cc8..8ab43f1272 100644 --- a/drivers/net/can/c_can/c_can_main.c +++ b/drivers/net/can/c_can/c_can_main.c @@ -1022,7 +1022,6 @@ static int c_can_handle_bus_err(struct net_device *dev, /* common for all type of bus errors */ priv->can.can_stats.bus_error++; - stats->rx_errors++; /* propagate the error condition to the CAN stack */ skb = alloc_can_err_skb(dev, &cf); @@ -1038,26 +1037,32 @@ static int c_can_handle_bus_err(struct net_device *dev, case LEC_STUFF_ERROR: netdev_dbg(dev, "stuff error\n"); cf->data[2] |= CAN_ERR_PROT_STUFF; + stats->rx_errors++; break; case LEC_FORM_ERROR: netdev_dbg(dev, "form error\n"); cf->data[2] |= CAN_ERR_PROT_FORM; + stats->rx_errors++; break; case LEC_ACK_ERROR: netdev_dbg(dev, "ack error\n"); cf->data[3] = CAN_ERR_PROT_LOC_ACK; + stats->tx_errors++; break; case LEC_BIT1_ERROR: netdev_dbg(dev, "bit1 error\n"); cf->data[2] |= CAN_ERR_PROT_BIT1; + stats->tx_errors++; break; case LEC_BIT0_ERROR: netdev_dbg(dev, "bit0 error\n"); cf->data[2] |= CAN_ERR_PROT_BIT0; + stats->tx_errors++; break; case LEC_CRC_ERROR: netdev_dbg(dev, "CRC error\n"); cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ; + stats->rx_errors++; break; default: break; diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index e027229c19..a87f6ce86c 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -1583,7 +1583,6 @@ static int m_can_close(struct net_device *dev) napi_disable(&cdev->napi); m_can_stop(dev); - m_can_clk_stop(cdev); free_irq(dev->irq, dev); if (cdev->is_peripheral) { @@ -1598,6 +1597,7 @@ static int m_can_close(struct net_device *dev) close_candev(dev); can_led_event(dev, CAN_LED_EVENT_STOP); + m_can_clk_stop(cdev); phy_power_off(cdev->transceiver); return 0; @@ -1840,7 +1840,7 @@ static int m_can_open(struct net_device *dev) /* start the m_can controller */ err = m_can_start(dev); if (err) - goto exit_irq_fail; + goto exit_start_fail; can_led_event(dev, CAN_LED_EVENT_OPEN); @@ -1851,6 +1851,9 @@ static int m_can_open(struct net_device *dev) return 0; +exit_start_fail: + if (cdev->is_peripheral || dev->irq) + free_irq(dev->irq, dev); exit_irq_fail: if (cdev->is_peripheral) destroy_workqueue(cdev->tx_wq); diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index f02275f71e..653566c570 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -755,7 +755,7 @@ static int mcp251x_hw_wake(struct spi_device *spi) int ret; /* Force wakeup interrupt to wake device, but don't execute IST */ - disable_irq(spi->irq); + disable_irq_nosync(spi->irq); mcp251x_write_2regs(spi, CANINTE, CANINTE_WAKIE, CANINTF_WAKIF); /* Wait for oscillator startup timer after wake up */ diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c index 09dbc51347..95ed200553 100644 --- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c +++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c @@ -123,6 +123,7 @@ static const struct kvaser_usb_driver_info kvaser_usb_driver_info_leaf_err_liste static const struct kvaser_usb_driver_info kvaser_usb_driver_info_leafimx = { .quirks = 0, + .family = KVASER_LEAF, .ops = &kvaser_usb_leaf_dev_ops, }; @@ -292,7 +293,7 @@ int kvaser_usb_send_cmd_async(struct kvaser_usb_net_priv *priv, void *cmd, } usb_free_urb(urb); - return 0; + return err; } int kvaser_usb_can_rx_over_error(struct net_device *netdev) diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 604f541126..df67262c30 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include "b53_regs.h" @@ -224,6 +225,9 @@ static const struct b53_mib_desc b53_mibs_58xx[] = { #define B53_MIBS_58XX_SIZE ARRAY_SIZE(b53_mibs_58xx) +#define B53_MAX_MTU_25 (1536 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN) +#define B53_MAX_MTU (9720 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN) + static int b53_do_vlan_op(struct b53_device *dev, u8 op) { unsigned int i; @@ -2221,17 +2225,25 @@ static int b53_change_mtu(struct dsa_switch *ds, int port, int mtu) bool allow_10_100; if (is5325(dev) || is5365(dev)) - return -EOPNOTSUPP; + return 0; + + if (!dsa_is_cpu_port(ds, port)) + return 0; - enable_jumbo = (mtu >= JMS_MIN_SIZE); - allow_10_100 = (dev->chip_id == BCM583XX_DEVICE_ID); + enable_jumbo = (mtu > ETH_DATA_LEN); + allow_10_100 = !is63xx(dev); return b53_set_jumbo(dev, enable_jumbo, allow_10_100); } static int b53_get_max_mtu(struct dsa_switch *ds, int port) { - return JMS_MAX_SIZE; + struct b53_device *dev = ds->priv; + + if (is5325(dev) || is5365(dev)) + return B53_MAX_MTU_25; + + return B53_MAX_MTU; } static const struct dsa_switch_ops b53_switch_ops = { diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 1fa392aee5..f259b0add5 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -638,8 +638,10 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds) of_remove_property(child, prop); phydev = of_phy_find_device(child); - if (phydev) + if (phydev) { phy_device_remove(phydev); + phy_device_free(phydev); + } } err = mdiobus_register(priv->slave_mii_bus); diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c index 6382655371..84ed23a13f 100644 --- a/drivers/net/dsa/lan9303-core.c +++ b/drivers/net/dsa/lan9303-core.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include #include @@ -820,6 +821,8 @@ static void lan9303_handle_reset(struct lan9303 *chip) if (!chip->reset_gpio) return; + gpiod_set_value_cansleep(chip->reset_gpio, 1); + if (chip->reset_duration != 0) msleep(chip->reset_duration); @@ -845,8 +848,34 @@ static int lan9303_disable_processing(struct lan9303 *chip) static int lan9303_check_device(struct lan9303 *chip) { int ret; + int err; u32 reg; + /* In I2C-managed configurations this polling loop will clash with + * switch's reading of EEPROM right after reset and this behaviour is + * not configurable. While lan9303_read() already has quite long retry + * timeout, seems not all cases are being detected as arbitration error. + * + * According to datasheet, EEPROM loader has 30ms timeout (in case of + * missing EEPROM). + * + * Loading of the largest supported EEPROM is expected to take at least + * 5.9s. + */ + err = read_poll_timeout(lan9303_read, ret, + !ret && reg & LAN9303_HW_CFG_READY, + 20000, 6000000, false, + chip->regmap, LAN9303_HW_CFG, ®); + if (ret) { + dev_err(chip->dev, "failed to read HW_CFG reg: %pe\n", + ERR_PTR(ret)); + return ret; + } + if (err) { + dev_err(chip->dev, "HW_CFG not ready: 0x%08x\n", reg); + return err; + } + ret = lan9303_read(chip->regmap, LAN9303_CHIP_REV, ®); if (ret) { dev_err(chip->dev, "failed to read chip revision register: %d\n", diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index bf788e17f4..d61ad951e8 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -195,7 +195,6 @@ static int ksz9477_wait_alu_sta_ready(struct ksz_device *dev) static int ksz9477_reset_switch(struct ksz_device *dev) { - u8 data8; u32 data32; /* reset switch */ @@ -206,10 +205,8 @@ static int ksz9477_reset_switch(struct ksz_device *dev) SPI_AUTO_EDGE_DETECTION, 0); /* default configuration */ - ksz_read8(dev, REG_SW_LUE_CTRL_1, &data8); - data8 = SW_AGING_ENABLE | SW_LINK_AUTO_AGING | - SW_SRC_ADDR_FILTER | SW_FLUSH_STP_TABLE | SW_FLUSH_MSTP_TABLE; - ksz_write8(dev, REG_SW_LUE_CTRL_1, data8); + ksz_write8(dev, REG_SW_LUE_CTRL_1, + SW_AGING_ENABLE | SW_LINK_AUTO_AGING | SW_SRC_ADDR_FILTER); /* disable interrupts */ ksz_write32(dev, REG_SW_INT_MASK__4, SWITCH_INT_MASK); diff --git a/drivers/net/dsa/mv88e6xxx/Makefile b/drivers/net/dsa/mv88e6xxx/Makefile index c8eca2b6f9..49bf358b9c 100644 --- a/drivers/net/dsa/mv88e6xxx/Makefile +++ b/drivers/net/dsa/mv88e6xxx/Makefile @@ -15,3 +15,7 @@ mv88e6xxx-objs += port_hidden.o mv88e6xxx-$(CONFIG_NET_DSA_MV88E6XXX_PTP) += ptp.o mv88e6xxx-objs += serdes.o mv88e6xxx-objs += smi.o +mv88e6xxx-objs += trace.o + +# for tracing framework to find trace.h +CFLAGS_trace.o := -I$(src) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 5ddd97f79e..2a55ecceab 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -117,8 +117,8 @@ struct mii_bus *mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip *chip) { struct mv88e6xxx_mdio_bus *mdio_bus; - mdio_bus = list_first_entry(&chip->mdios, struct mv88e6xxx_mdio_bus, - list); + mdio_bus = list_first_entry_or_null(&chip->mdios, + struct mv88e6xxx_mdio_bus, list); if (!mdio_bus) return NULL; @@ -3104,7 +3104,8 @@ static int mv88e6xxx_change_mtu(struct dsa_switch *ds, int port, int new_mtu) mv88e6xxx_reg_lock(chip); if (chip->info->ops->port_set_jumbo_size) ret = chip->info->ops->port_set_jumbo_size(chip, port, new_mtu); - else if (chip->info->ops->set_max_frame_size) + else if (chip->info->ops->set_max_frame_size && + dsa_is_cpu_port(ds, port)) ret = chip->info->ops->set_max_frame_size(chip, new_mtu); mv88e6xxx_reg_unlock(chip); diff --git a/drivers/net/dsa/mv88e6xxx/global1_atu.c b/drivers/net/dsa/mv88e6xxx/global1_atu.c index 40bd67a5c8..17fd62616c 100644 --- a/drivers/net/dsa/mv88e6xxx/global1_atu.c +++ b/drivers/net/dsa/mv88e6xxx/global1_atu.c @@ -12,6 +12,7 @@ #include "chip.h" #include "global1.h" +#include "trace.h" /* Offset 0x01: ATU FID Register */ @@ -114,6 +115,19 @@ static int mv88e6xxx_g1_atu_op_wait(struct mv88e6xxx_chip *chip) return mv88e6xxx_g1_wait_bit(chip, MV88E6XXX_G1_ATU_OP, bit, 0); } +static int mv88e6xxx_g1_read_atu_violation(struct mv88e6xxx_chip *chip) +{ + int err; + + err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_ATU_OP, + MV88E6XXX_G1_ATU_OP_BUSY | + MV88E6XXX_G1_ATU_OP_GET_CLR_VIOLATION); + if (err) + return err; + + return mv88e6xxx_g1_atu_op_wait(chip); +} + static int mv88e6xxx_g1_atu_op(struct mv88e6xxx_chip *chip, u16 fid, u16 op) { u16 val; @@ -159,6 +173,41 @@ int mv88e6xxx_g1_atu_get_next(struct mv88e6xxx_chip *chip, u16 fid) return mv88e6xxx_g1_atu_op(chip, fid, MV88E6XXX_G1_ATU_OP_GET_NEXT_DB); } +static int mv88e6xxx_g1_atu_fid_read(struct mv88e6xxx_chip *chip, u16 *fid) +{ + u16 val = 0, upper = 0, op = 0; + int err = -EOPNOTSUPP; + + if (mv88e6xxx_num_databases(chip) > 256) { + err = mv88e6xxx_g1_read(chip, MV88E6352_G1_ATU_FID, &val); + val &= 0xfff; + if (err) + return err; + } else { + err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_ATU_OP, &op); + if (err) + return err; + if (mv88e6xxx_num_databases(chip) > 64) { + /* ATU DBNum[7:4] are located in ATU Control 15:12 */ + err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_ATU_CTL, + &upper); + if (err) + return err; + + upper = (upper >> 8) & 0x00f0; + } else if (mv88e6xxx_num_databases(chip) > 16) { + /* ATU DBNum[5:4] are located in ATU Operation 9:8 */ + upper = (op >> 4) & 0x30; + } + + /* ATU DBNum[3:0] are located in ATU Operation 3:0 */ + val = (op & 0xf) | upper; + } + *fid = val; + + return err; +} + /* Offset 0x0C: ATU Data Register */ static int mv88e6xxx_g1_atu_data_read(struct mv88e6xxx_chip *chip, @@ -353,14 +402,12 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id) { struct mv88e6xxx_chip *chip = dev_id; struct mv88e6xxx_atu_entry entry; - int spid; - int err; - u16 val; + int err, spid; + u16 val, fid; mv88e6xxx_reg_lock(chip); - err = mv88e6xxx_g1_atu_op(chip, 0, - MV88E6XXX_G1_ATU_OP_GET_CLR_VIOLATION); + err = mv88e6xxx_g1_read_atu_violation(chip); if (err) goto out; @@ -368,6 +415,10 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id) if (err) goto out; + err = mv88e6xxx_g1_atu_fid_read(chip, &fid); + if (err) + goto out; + err = mv88e6xxx_g1_atu_data_read(chip, &entry); if (err) goto out; @@ -385,24 +436,25 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id) } if (val & MV88E6XXX_G1_ATU_OP_MEMBER_VIOLATION) { - dev_err_ratelimited(chip->dev, - "ATU member violation for %pM portvec %x spid %d\n", - entry.mac, entry.portvec, spid); + trace_mv88e6xxx_atu_member_violation(chip->dev, spid, + entry.portvec, entry.mac, + fid); chip->ports[spid].atu_member_violation++; } if (val & MV88E6XXX_G1_ATU_OP_MISS_VIOLATION) { - dev_err_ratelimited(chip->dev, - "ATU miss violation for %pM portvec %x spid %d\n", - entry.mac, entry.portvec, spid); + trace_mv88e6xxx_atu_miss_violation(chip->dev, spid, + entry.portvec, entry.mac, + fid); chip->ports[spid].atu_miss_violation++; } if (val & MV88E6XXX_G1_ATU_OP_FULL_VIOLATION) { - dev_err_ratelimited(chip->dev, - "ATU full violation for %pM portvec %x spid %d\n", - entry.mac, entry.portvec, spid); - chip->ports[spid].atu_full_violation++; + trace_mv88e6xxx_atu_full_violation(chip->dev, spid, + entry.portvec, entry.mac, + fid); + if (spid < ARRAY_SIZE(chip->ports)) + chip->ports[spid].atu_full_violation++; } mv88e6xxx_reg_unlock(chip); diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index ab41619a80..c94f2de640 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c @@ -1699,6 +1699,7 @@ int mv88e6393x_port_set_policy(struct mv88e6xxx_chip *chip, int port, ptr = shift / 8; shift %= 8; mask >>= ptr * 8; + ptr <<= 8; err = mv88e6393x_port_policy_read(chip, port, ptr, ®); if (err) diff --git a/drivers/net/dsa/mv88e6xxx/trace.c b/drivers/net/dsa/mv88e6xxx/trace.c new file mode 100644 index 0000000000..7833cb50ca --- /dev/null +++ b/drivers/net/dsa/mv88e6xxx/trace.c @@ -0,0 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* Copyright 2022 NXP + */ + +#define CREATE_TRACE_POINTS +#include "trace.h" diff --git a/drivers/net/dsa/mv88e6xxx/trace.h b/drivers/net/dsa/mv88e6xxx/trace.h new file mode 100644 index 0000000000..d9ab5c8dee --- /dev/null +++ b/drivers/net/dsa/mv88e6xxx/trace.h @@ -0,0 +1,66 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* Copyright 2022 NXP + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM mv88e6xxx + +#if !defined(_MV88E6XXX_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _MV88E6XXX_TRACE_H + +#include +#include +#include + +DECLARE_EVENT_CLASS(mv88e6xxx_atu_violation, + + TP_PROTO(const struct device *dev, int spid, u16 portvec, + const unsigned char *addr, u16 fid), + + TP_ARGS(dev, spid, portvec, addr, fid), + + TP_STRUCT__entry( + __string(name, dev_name(dev)) + __field(int, spid) + __field(u16, portvec) + __array(unsigned char, addr, ETH_ALEN) + __field(u16, fid) + ), + + TP_fast_assign( + __assign_str(name, dev_name(dev)); + __entry->spid = spid; + __entry->portvec = portvec; + memcpy(__entry->addr, addr, ETH_ALEN); + __entry->fid = fid; + ), + + TP_printk("dev %s spid %d portvec 0x%x addr %pM fid %u", + __get_str(name), __entry->spid, __entry->portvec, + __entry->addr, __entry->fid) +); + +DEFINE_EVENT(mv88e6xxx_atu_violation, mv88e6xxx_atu_member_violation, + TP_PROTO(const struct device *dev, int spid, u16 portvec, + const unsigned char *addr, u16 fid), + TP_ARGS(dev, spid, portvec, addr, fid)); + +DEFINE_EVENT(mv88e6xxx_atu_violation, mv88e6xxx_atu_miss_violation, + TP_PROTO(const struct device *dev, int spid, u16 portvec, + const unsigned char *addr, u16 fid), + TP_ARGS(dev, spid, portvec, addr, fid)); + +DEFINE_EVENT(mv88e6xxx_atu_violation, mv88e6xxx_atu_full_violation, + TP_PROTO(const struct device *dev, int spid, u16 portvec, + const unsigned char *addr, u16 fid), + TP_ARGS(dev, spid, portvec, addr, fid)); + +#endif /* _MV88E6XXX_TRACE_H */ + +/* We don't want to use include/trace/events */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE trace +/* This part must be outside protection */ +#include diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c index 6b6470ef2a..36da2107b5 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-core.c +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -34,10 +35,14 @@ #define VSC73XX_BLOCK_ANALYZER 0x2 /* Only subblock 0 */ #define VSC73XX_BLOCK_MII 0x3 /* Subblocks 0 and 1 */ #define VSC73XX_BLOCK_MEMINIT 0x3 /* Only subblock 2 */ -#define VSC73XX_BLOCK_CAPTURE 0x4 /* Only subblock 2 */ +#define VSC73XX_BLOCK_CAPTURE 0x4 /* Subblocks 0-4, 6, 7 */ #define VSC73XX_BLOCK_ARBITER 0x5 /* Only subblock 0 */ #define VSC73XX_BLOCK_SYSTEM 0x7 /* Only subblock 0 */ +/* MII Block subblock */ +#define VSC73XX_BLOCK_MII_INTERNAL 0x0 /* Internal MDIO subblock */ +#define VSC73XX_BLOCK_MII_EXTERNAL 0x1 /* External MDIO subblock */ + #define CPU_PORT 6 /* CPU port */ /* MAC Block registers */ @@ -196,6 +201,8 @@ #define VSC73XX_MII_CMD 0x1 #define VSC73XX_MII_DATA 0x2 +#define VSC73XX_MII_STAT_BUSY BIT(3) + /* Arbiter block 5 registers */ #define VSC73XX_ARBEMPTY 0x0c #define VSC73XX_ARBDISC 0x0e @@ -269,6 +276,10 @@ #define IS_7398(a) ((a)->chipid == VSC73XX_CHIPID_ID_7398) #define IS_739X(a) (IS_7395(a) || IS_7398(a)) +#define VSC73XX_POLL_SLEEP_US 1000 +#define VSC73XX_MDIO_POLL_SLEEP_US 5 +#define VSC73XX_POLL_TIMEOUT_US 10000 + struct vsc73xx_counter { u8 counter; const char *name; @@ -360,13 +371,19 @@ int vsc73xx_is_addr_valid(u8 block, u8 subblock) break; case VSC73XX_BLOCK_MII: - case VSC73XX_BLOCK_CAPTURE: case VSC73XX_BLOCK_ARBITER: switch (subblock) { case 0 ... 1: return 1; } break; + case VSC73XX_BLOCK_CAPTURE: + switch (subblock) { + case 0 ... 4: + case 6 ... 7: + return 1; + } + break; } return 0; @@ -484,6 +501,22 @@ static int vsc73xx_detect(struct vsc73xx *vsc) return 0; } +static int vsc73xx_mdio_busy_check(struct vsc73xx *vsc) +{ + int ret, err; + u32 val; + + ret = read_poll_timeout(vsc73xx_read, err, + err < 0 || !(val & VSC73XX_MII_STAT_BUSY), + VSC73XX_MDIO_POLL_SLEEP_US, + VSC73XX_POLL_TIMEOUT_US, false, vsc, + VSC73XX_BLOCK_MII, VSC73XX_BLOCK_MII_INTERNAL, + VSC73XX_MII_STAT, &val); + if (ret) + return ret; + return err; +} + static int vsc73xx_phy_read(struct dsa_switch *ds, int phy, int regnum) { struct vsc73xx *vsc = ds->priv; @@ -491,12 +524,20 @@ static int vsc73xx_phy_read(struct dsa_switch *ds, int phy, int regnum) u32 val; int ret; + ret = vsc73xx_mdio_busy_check(vsc); + if (ret) + return ret; + /* Setting bit 26 means "read" */ cmd = BIT(26) | (phy << 21) | (regnum << 16); ret = vsc73xx_write(vsc, VSC73XX_BLOCK_MII, 0, 1, cmd); if (ret) return ret; - msleep(2); + + ret = vsc73xx_mdio_busy_check(vsc); + if (ret) + return ret; + ret = vsc73xx_read(vsc, VSC73XX_BLOCK_MII, 0, 2, &val); if (ret) return ret; @@ -520,6 +561,10 @@ static int vsc73xx_phy_write(struct dsa_switch *ds, int phy, int regnum, u32 cmd; int ret; + ret = vsc73xx_mdio_busy_check(vsc); + if (ret) + return ret; + /* It was found through tedious experiments that this router * chip really hates to have it's PHYs reset. They * never recover if that happens: autonegotiation stops @@ -531,7 +576,7 @@ static int vsc73xx_phy_write(struct dsa_switch *ds, int phy, int regnum, return 0; } - cmd = (phy << 21) | (regnum << 16); + cmd = (phy << 21) | (regnum << 16) | val; ret = vsc73xx_write(vsc, VSC73XX_BLOCK_MII, 0, 1, cmd); if (ret) return ret; @@ -780,7 +825,7 @@ static void vsc73xx_adjust_link(struct dsa_switch *ds, int port, * after a PHY or the CPU port comes up or down. */ if (!phydev->link) { - int maxloop = 10; + int ret, err; dev_dbg(vsc->dev, "port %d: went down\n", port); @@ -795,19 +840,17 @@ static void vsc73xx_adjust_link(struct dsa_switch *ds, int port, VSC73XX_ARBDISC, BIT(port), BIT(port)); /* Wait until queue is empty */ - vsc73xx_read(vsc, VSC73XX_BLOCK_ARBITER, 0, - VSC73XX_ARBEMPTY, &val); - while (!(val & BIT(port))) { - msleep(1); - vsc73xx_read(vsc, VSC73XX_BLOCK_ARBITER, 0, - VSC73XX_ARBEMPTY, &val); - if (--maxloop == 0) { - dev_err(vsc->dev, - "timeout waiting for block arbiter\n"); - /* Continue anyway */ - break; - } - } + ret = read_poll_timeout(vsc73xx_read, err, + err < 0 || (val & BIT(port)), + VSC73XX_POLL_SLEEP_US, + VSC73XX_POLL_TIMEOUT_US, false, + vsc, VSC73XX_BLOCK_ARBITER, 0, + VSC73XX_ARBEMPTY, &val); + if (ret) + dev_err(vsc->dev, + "timeout waiting for block arbiter\n"); + else if (err < 0) + dev_err(vsc->dev, "error reading arbiter\n"); /* Put this port into reset */ vsc73xx_write(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_MAC_CFG, diff --git a/drivers/net/ethernet/aeroflex/greth.c b/drivers/net/ethernet/aeroflex/greth.c index a95bac4e14..538043cd9e 100644 --- a/drivers/net/ethernet/aeroflex/greth.c +++ b/drivers/net/ethernet/aeroflex/greth.c @@ -484,7 +484,7 @@ greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev) if (unlikely(skb->len > MAX_FRAME_SIZE)) { dev->stats.tx_errors++; - goto out; + goto len_error; } /* Save skb pointer. */ @@ -575,6 +575,7 @@ greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev) map_error: if (net_ratelimit()) dev_warn(greth->dev, "Could not create TX DMA mapping\n"); +len_error: dev_kfree_skb(skb); out: return err; diff --git a/drivers/net/ethernet/amd/mvme147.c b/drivers/net/ethernet/amd/mvme147.c index da97fccea9..769355824b 100644 --- a/drivers/net/ethernet/amd/mvme147.c +++ b/drivers/net/ethernet/amd/mvme147.c @@ -103,10 +103,6 @@ static struct net_device * __init mvme147lance_probe(void) address = address >> 8; dev->dev_addr[3] = address&0xff; - printk("%s: MVME147 at 0x%08lx, irq %d, Hardware Address %pM\n", - dev->name, dev->base_addr, MVME147_LANCE_IRQ, - dev->dev_addr); - lp = netdev_priv(dev); lp->ram = __get_dma_pages(GFP_ATOMIC, 3); /* 32K */ if (!lp->ram) { @@ -136,6 +132,9 @@ static struct net_device * __init mvme147lance_probe(void) return ERR_PTR(err); } + netdev_info(dev, "MVME147 at 0x%08lx, irq %d, Hardware Address %pM\n", + dev->base_addr, MVME147_LANCE_IRQ, dev->dev_addr); + return dev; } diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c index 715859cb65..df5076540c 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c @@ -256,7 +256,7 @@ static void aq_ethtool_get_strings(struct net_device *ndev, const int rx_stat_cnt = ARRAY_SIZE(aq_ethtool_queue_rx_stat_names); const int tx_stat_cnt = ARRAY_SIZE(aq_ethtool_queue_tx_stat_names); char tc_string[8]; - int tc; + unsigned int tc; memset(tc_string, 0, sizeof(tc_string)); memcpy(p, aq_ethtool_stat_names, @@ -265,7 +265,7 @@ static void aq_ethtool_get_strings(struct net_device *ndev, for (tc = 0; tc < cfg->tcs; tc++) { if (cfg->is_qos) - snprintf(tc_string, 8, "TC%d ", tc); + snprintf(tc_string, 8, "TC%u ", tc); for (i = 0; i < cfg->vecs; i++) { for (si = 0; si < rx_stat_cnt; si++) { diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c index 333333692c..bafa63e5ce 100644 --- a/drivers/net/ethernet/arc/emac_main.c +++ b/drivers/net/ethernet/arc/emac_main.c @@ -111,6 +111,7 @@ static void arc_emac_tx_clean(struct net_device *ndev) { struct arc_emac_priv *priv = netdev_priv(ndev); struct net_device_stats *stats = &ndev->stats; + struct device *dev = ndev->dev.parent; unsigned int i; for (i = 0; i < TX_BD_NUM; i++) { @@ -140,7 +141,7 @@ static void arc_emac_tx_clean(struct net_device *ndev) stats->tx_bytes += skb->len; } - dma_unmap_single(&ndev->dev, dma_unmap_addr(tx_buff, addr), + dma_unmap_single(dev, dma_unmap_addr(tx_buff, addr), dma_unmap_len(tx_buff, len), DMA_TO_DEVICE); /* return the sk_buff to system */ @@ -174,6 +175,7 @@ static void arc_emac_tx_clean(struct net_device *ndev) static int arc_emac_rx(struct net_device *ndev, int budget) { struct arc_emac_priv *priv = netdev_priv(ndev); + struct device *dev = ndev->dev.parent; unsigned int work_done; for (work_done = 0; work_done < budget; work_done++) { @@ -223,9 +225,9 @@ static int arc_emac_rx(struct net_device *ndev, int budget) continue; } - addr = dma_map_single(&ndev->dev, (void *)skb->data, + addr = dma_map_single(dev, (void *)skb->data, EMAC_BUFFER_SIZE, DMA_FROM_DEVICE); - if (dma_mapping_error(&ndev->dev, addr)) { + if (dma_mapping_error(dev, addr)) { if (net_ratelimit()) netdev_err(ndev, "cannot map dma buffer\n"); dev_kfree_skb(skb); @@ -237,7 +239,7 @@ static int arc_emac_rx(struct net_device *ndev, int budget) } /* unmap previosly mapped skb */ - dma_unmap_single(&ndev->dev, dma_unmap_addr(rx_buff, addr), + dma_unmap_single(dev, dma_unmap_addr(rx_buff, addr), dma_unmap_len(rx_buff, len), DMA_FROM_DEVICE); pktlen = info & LEN_MASK; @@ -423,6 +425,7 @@ static int arc_emac_open(struct net_device *ndev) { struct arc_emac_priv *priv = netdev_priv(ndev); struct phy_device *phy_dev = ndev->phydev; + struct device *dev = ndev->dev.parent; int i; phy_dev->autoneg = AUTONEG_ENABLE; @@ -445,9 +448,9 @@ static int arc_emac_open(struct net_device *ndev) if (unlikely(!rx_buff->skb)) return -ENOMEM; - addr = dma_map_single(&ndev->dev, (void *)rx_buff->skb->data, + addr = dma_map_single(dev, (void *)rx_buff->skb->data, EMAC_BUFFER_SIZE, DMA_FROM_DEVICE); - if (dma_mapping_error(&ndev->dev, addr)) { + if (dma_mapping_error(dev, addr)) { netdev_err(ndev, "cannot dma map\n"); dev_kfree_skb(rx_buff->skb); return -ENOMEM; @@ -548,6 +551,7 @@ static void arc_emac_set_rx_mode(struct net_device *ndev) static void arc_free_tx_queue(struct net_device *ndev) { struct arc_emac_priv *priv = netdev_priv(ndev); + struct device *dev = ndev->dev.parent; unsigned int i; for (i = 0; i < TX_BD_NUM; i++) { @@ -555,7 +559,7 @@ static void arc_free_tx_queue(struct net_device *ndev) struct buffer_state *tx_buff = &priv->tx_buff[i]; if (tx_buff->skb) { - dma_unmap_single(&ndev->dev, + dma_unmap_single(dev, dma_unmap_addr(tx_buff, addr), dma_unmap_len(tx_buff, len), DMA_TO_DEVICE); @@ -579,6 +583,7 @@ static void arc_free_tx_queue(struct net_device *ndev) static void arc_free_rx_queue(struct net_device *ndev) { struct arc_emac_priv *priv = netdev_priv(ndev); + struct device *dev = ndev->dev.parent; unsigned int i; for (i = 0; i < RX_BD_NUM; i++) { @@ -586,7 +591,7 @@ static void arc_free_rx_queue(struct net_device *ndev) struct buffer_state *rx_buff = &priv->rx_buff[i]; if (rx_buff->skb) { - dma_unmap_single(&ndev->dev, + dma_unmap_single(dev, dma_unmap_addr(rx_buff, addr), dma_unmap_len(rx_buff, len), DMA_FROM_DEVICE); @@ -679,6 +684,7 @@ static netdev_tx_t arc_emac_tx(struct sk_buff *skb, struct net_device *ndev) unsigned int len, *txbd_curr = &priv->txbd_curr; struct net_device_stats *stats = &ndev->stats; __le32 *info = &priv->txbd[*txbd_curr].info; + struct device *dev = ndev->dev.parent; dma_addr_t addr; if (skb_padto(skb, ETH_ZLEN)) @@ -692,10 +698,9 @@ static netdev_tx_t arc_emac_tx(struct sk_buff *skb, struct net_device *ndev) return NETDEV_TX_BUSY; } - addr = dma_map_single(&ndev->dev, (void *)skb->data, len, - DMA_TO_DEVICE); + addr = dma_map_single(dev, (void *)skb->data, len, DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(&ndev->dev, addr))) { + if (unlikely(dma_mapping_error(dev, addr))) { stats->tx_dropped++; stats->tx_errors++; dev_kfree_skb_any(skb); diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 93c965bcdb..8962bd6349 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1348,6 +1348,7 @@ static netdev_tx_t bcm_sysport_xmit(struct sk_buff *skb, netif_err(priv, tx_err, dev, "DMA map failed at %p (len=%d)\n", skb->data, skb_len); ret = NETDEV_TX_OK; + dev_kfree_skb_any(skb); goto out; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index 2209d99b34..75ed66b485 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -1262,7 +1262,7 @@ enum { struct bnx2x_fw_stats_req { struct stats_query_header hdr; - struct stats_query_entry query[FP_SB_MAX_E1x+ + struct stats_query_entry query[FP_SB_MAX_E2 + BNX2X_FIRST_QUEUE_QUERY_IDX]; }; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 3888561a5c..f3c6a122a0 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -667,9 +667,6 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; tx_dma_error: - if (BNXT_TX_PTP_IS_SET(lflags)) - atomic_inc(&bp->ptp_cfg->tx_avail); - last_frag = i; /* start back at beginning and unmap skb */ @@ -691,6 +688,8 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) tx_free: dev_kfree_skb_any(skb); tx_kick_pending: + if (BNXT_TX_PTP_IS_SET(lflags)) + atomic_inc(&bp->ptp_cfg->tx_avail); if (txr->kick_pending) bnxt_txr_db_kick(bp, txr, txr->tx_prod); txr->tx_buf_ring[txr->tx_prod].skb = NULL; diff --git a/drivers/net/ethernet/brocade/bna/bna_types.h b/drivers/net/ethernet/brocade/bna/bna_types.h index 666b6922e2..ebf54d74c2 100644 --- a/drivers/net/ethernet/brocade/bna/bna_types.h +++ b/drivers/net/ethernet/brocade/bna/bna_types.h @@ -410,7 +410,7 @@ struct bna_ib { /* Tx object */ /* Tx datapath control structure */ -#define BNA_Q_NAME_SIZE 16 +#define BNA_Q_NAME_SIZE (IFNAMSIZ + 6) struct bna_tcb { /* Fast path */ void **sw_qpt; diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index 0347c9d3af..a3b6b9af0b 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -1535,8 +1535,9 @@ bnad_tx_msix_register(struct bnad *bnad, struct bnad_tx_info *tx_info, for (i = 0; i < num_txqs; i++) { vector_num = tx_info->tcb[i]->intr_vector; - sprintf(tx_info->tcb[i]->name, "%s TXQ %d", bnad->netdev->name, - tx_id + tx_info->tcb[i]->id); + snprintf(tx_info->tcb[i]->name, BNA_Q_NAME_SIZE, "%s TXQ %d", + bnad->netdev->name, + tx_id + tx_info->tcb[i]->id); err = request_irq(bnad->msix_table[vector_num].vector, (irq_handler_t)bnad_msix_tx, 0, tx_info->tcb[i]->name, @@ -1586,9 +1587,9 @@ bnad_rx_msix_register(struct bnad *bnad, struct bnad_rx_info *rx_info, for (i = 0; i < num_rxps; i++) { vector_num = rx_info->rx_ctrl[i].ccb->intr_vector; - sprintf(rx_info->rx_ctrl[i].ccb->name, "%s CQ %d", - bnad->netdev->name, - rx_id + rx_info->rx_ctrl[i].ccb->id); + snprintf(rx_info->rx_ctrl[i].ccb->name, BNA_Q_NAME_SIZE, + "%s CQ %d", bnad->netdev->name, + rx_id + rx_info->rx_ctrl[i].ccb->id); err = request_irq(bnad->msix_table[vector_num].vector, (irq_handler_t)bnad_msix_rx, 0, rx_info->rx_ctrl[i].ccb->name, diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index dac5616985..4e73596579 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -902,9 +902,6 @@ static int macb_mdiobus_register(struct macb *bp) { struct device_node *child, *np = bp->pdev->dev.of_node; - if (of_phy_is_fixed_link(np)) - return mdiobus_register(bp->mii_bus); - /* Only create the PHY from the device tree if at least one PHY is * described. Otherwise scan the entire MDIO bus. We do this to support * old device tree that did not follow the best practices and did not @@ -925,8 +922,19 @@ static int macb_mdiobus_register(struct macb *bp) static int macb_mii_init(struct macb *bp) { + struct device_node *child, *np = bp->pdev->dev.of_node; int err = -ENXIO; + /* With fixed-link, we don't need to register the MDIO bus, + * except if we have a child named "mdio" in the device tree. + * In that case, some devices may be attached to the MACB's MDIO bus. + */ + child = of_get_child_by_name(np, "mdio"); + if (child) + of_node_put(child); + else if (of_phy_is_fixed_link(np)) + return macb_mii_probe(bp->dev); + /* Enable management port */ macb_writel(bp, NCR, MACB_BIT(MPE)); diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c index 600de587d7..e70b9ccca3 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c @@ -272,13 +272,12 @@ lio_vf_rep_copy_packet(struct octeon_device *oct, pg_info->page_offset; memcpy(skb->data, va, MIN_SKB_SIZE); skb_put(skb, MIN_SKB_SIZE); + skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, + pg_info->page, + pg_info->page_offset + MIN_SKB_SIZE, + len - MIN_SKB_SIZE, + LIO_RXBUFFER_SZ); } - - skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, - pg_info->page, - pg_info->page_offset + MIN_SKB_SIZE, - len - MIN_SKB_SIZE, - LIO_RXBUFFER_SZ); } else { struct octeon_skb_page_info *pg_info = ((struct octeon_skb_page_info *)(skb->cb)); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c index 786ceae344..dd9e68465e 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c @@ -1244,7 +1244,8 @@ static u64 hash_filter_ntuple(struct ch_filter_specification *fs, * in the Compressed Filter Tuple. */ if (tp->vlan_shift >= 0 && fs->mask.ivlan) - ntuple |= (FT_VLAN_VLD_F | fs->val.ivlan) << tp->vlan_shift; + ntuple |= (u64)(FT_VLAN_VLD_F | + fs->val.ivlan) << tp->vlan_shift; if (tp->port_shift >= 0 && fs->mask.iport) ntuple |= (u64)fs->val.iport << tp->port_shift; diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index 0c8c92ff77..3a11dccec8 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -79,8 +79,7 @@ MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); #define GMAC0_IRQ4_8 (GMAC0_MIB_INT_BIT | GMAC0_RX_OVERRUN_INT_BIT) #define GMAC_OFFLOAD_FEATURES (NETIF_F_SG | NETIF_F_IP_CSUM | \ - NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | \ - NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6) + NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM) /** * struct gmac_queue_page - page buffer per-page info @@ -1148,23 +1147,13 @@ static int gmac_map_tx_bufs(struct net_device *netdev, struct sk_buff *skb, struct gmac_txdesc *txd; skb_frag_t *skb_frag; dma_addr_t mapping; - unsigned short mtu; void *buffer; int ret; - mtu = ETH_HLEN; - mtu += netdev->mtu; - if (skb->protocol == htons(ETH_P_8021Q)) - mtu += VLAN_HLEN; - + /* TODO: implement proper TSO using MTU in word3 */ word1 = skb->len; word3 = SOF_BIT; - if (word1 > mtu) { - word1 |= TSS_MTU_ENABLE_BIT; - word3 |= mtu; - } - if (skb->len >= ETH_FRAME_LEN) { /* Hardware offloaded checksumming isn't working on frames * bigger than 1514 bytes. A hypothesis about this is that the diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index b91029db1f..13d5fe324d 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -1382,10 +1382,8 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) be_get_wrb_params_from_skb(adapter, skb, &wrb_params); wrb_cnt = be_xmit_enqueue(adapter, txo, skb, &wrb_params); - if (unlikely(!wrb_cnt)) { - dev_kfree_skb_any(skb); - goto drop; - } + if (unlikely(!wrb_cnt)) + goto drop_skb; /* if os2bmc is enabled and if the pkt is destined to bmc, * enqueue the pkt a 2nd time with mgmt bit set. @@ -1394,7 +1392,7 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) BE_WRB_F_SET(wrb_params.features, OS2BMC, 1); wrb_cnt = be_xmit_enqueue(adapter, txo, skb, &wrb_params); if (unlikely(!wrb_cnt)) - goto drop; + goto drop_skb; else skb_get(skb); } @@ -1408,6 +1406,8 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) be_xmit_flush(adapter, txo); return NETDEV_TX_OK; +drop_skb: + dev_kfree_skb_any(skb); drop: tx_stats(txo)->tx_drv_drops++; /* Flush the already enqueued tx requests */ diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index 11f76e56d0..9179014e90 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -569,7 +569,7 @@ static bool ftgmac100_rx_packet(struct ftgmac100 *priv, int *processed) (*processed)++; return true; - drop: +drop: /* Clean rxdes0 (which resets own bit) */ rxdes->rxdes0 = cpu_to_le32(status & priv->rxdes0_edorr_mask); priv->rx_pointer = ftgmac100_next_rx_pointer(priv, pointer); @@ -653,6 +653,11 @@ static bool ftgmac100_tx_complete_packet(struct ftgmac100 *priv) ftgmac100_free_tx_packet(priv, pointer, skb, txdes, ctl_stat); txdes->txdes0 = cpu_to_le32(ctl_stat & priv->txdes0_edotr_mask); + /* Ensure the descriptor config is visible before setting the tx + * pointer. + */ + smp_wmb(); + priv->tx_clean_pointer = ftgmac100_next_tx_pointer(priv, pointer); return true; @@ -806,6 +811,11 @@ static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb, dma_wmb(); first->txdes0 = cpu_to_le32(f_ctl_stat); + /* Ensure the descriptor config is visible before setting the tx + * pointer. + */ + smp_wmb(); + /* Update next TX pointer */ priv->tx_pointer = pointer; @@ -826,7 +836,7 @@ static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb, return NETDEV_TX_OK; - dma_err: +dma_err: if (net_ratelimit()) netdev_err(netdev, "map tx fragment failed\n"); @@ -848,7 +858,7 @@ static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb, * last fragment, so we know ftgmac100_free_tx_packet() * hasn't freed the skb yet. */ - drop: +drop: /* Drop the packet */ dev_kfree_skb_any(skb); netdev->stats.tx_dropped++; @@ -1448,7 +1458,7 @@ static void ftgmac100_reset_task(struct work_struct *work) ftgmac100_init_all(priv, true); netdev_dbg(netdev, "Reset done !\n"); - bail: +bail: if (priv->mii_bus) mutex_unlock(&priv->mii_bus->mdio_lock); if (netdev->phydev) @@ -1519,15 +1529,15 @@ static int ftgmac100_open(struct net_device *netdev) return 0; - err_ncsi: +err_ncsi: napi_disable(&priv->napi); netif_stop_queue(netdev); - err_alloc: +err_alloc: ftgmac100_free_buffers(priv); free_irq(netdev->irq, netdev); - err_irq: +err_irq: netif_napi_del(&priv->napi); - err_hw: +err_hw: iowrite32(0, priv->base + FTGMAC100_OFFSET_IER); ftgmac100_free_rings(priv); return err; diff --git a/drivers/net/ethernet/faraday/ftgmac100.h b/drivers/net/ethernet/faraday/ftgmac100.h index 63b3e02fab..4968f6f0bd 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.h +++ b/drivers/net/ethernet/faraday/ftgmac100.h @@ -84,7 +84,7 @@ FTGMAC100_INT_RPKT_BUF) /* All the interrupts we care about */ -#define FTGMAC100_INT_ALL (FTGMAC100_INT_RPKT_BUF | \ +#define FTGMAC100_INT_ALL (FTGMAC100_INT_RXTX | \ FTGMAC100_INT_BAD) /* diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index 1766b7d94f..6fbf4efa07 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -910,14 +910,18 @@ static inline void dpaa_setup_egress(const struct dpaa_priv *priv, } } -static void dpaa_fq_setup(struct dpaa_priv *priv, - const struct dpaa_fq_cbs *fq_cbs, - struct fman_port *tx_port) +static int dpaa_fq_setup(struct dpaa_priv *priv, + const struct dpaa_fq_cbs *fq_cbs, + struct fman_port *tx_port) { int egress_cnt = 0, conf_cnt = 0, num_portals = 0, portal_cnt = 0, cpu; const cpumask_t *affine_cpus = qman_affine_cpus(); - u16 channels[NR_CPUS]; struct dpaa_fq *fq; + u16 *channels; + + channels = kcalloc(num_possible_cpus(), sizeof(u16), GFP_KERNEL); + if (!channels) + return -ENOMEM; for_each_cpu_and(cpu, affine_cpus, cpu_online_mask) channels[num_portals++] = qman_affine_channel(cpu); @@ -976,6 +980,10 @@ static void dpaa_fq_setup(struct dpaa_priv *priv, break; } } + + kfree(channels); + + return 0; } static inline int dpaa_tx_fq_to_id(const struct dpaa_priv *priv, @@ -2261,12 +2269,12 @@ static netdev_tx_t dpaa_start_xmit(struct sk_buff *skb, struct net_device *net_dev) { const int queue_mapping = skb_get_queue_mapping(skb); - bool nonlinear = skb_is_nonlinear(skb); struct rtnl_link_stats64 *percpu_stats; struct dpaa_percpu_priv *percpu_priv; struct netdev_queue *txq; struct dpaa_priv *priv; struct qm_fd fd; + bool nonlinear; int offset = 0; int err = 0; @@ -2276,6 +2284,13 @@ dpaa_start_xmit(struct sk_buff *skb, struct net_device *net_dev) qm_fd_clear_fd(&fd); + /* Packet data is always read as 32-bit words, so zero out any part of + * the skb which might be sent if we have to pad the packet + */ + if (__skb_put_padto(skb, ETH_ZLEN, false)) + goto enomem; + + nonlinear = skb_is_nonlinear(skb); if (!nonlinear) { /* We're going to store the skb backpointer at the beginning * of the data buffer, so we need a privately owned skb @@ -3444,7 +3459,9 @@ static int dpaa_eth_probe(struct platform_device *pdev) */ dpaa_eth_add_channel(priv->channel, &pdev->dev); - dpaa_fq_setup(priv, &dpaa_fq_cbs, priv->mac_dev->port[TX]); + err = dpaa_fq_setup(priv, &dpaa_fq_cbs, priv->mac_dev->port[TX]); + if (err) + goto free_dpaa_bps; /* Create a congestion group for this netdev, with * dynamically-allocated CGR ID. diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c index 5750f9a563..df6af1097d 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c @@ -541,12 +541,16 @@ static int dpaa_set_coalesce(struct net_device *dev, struct netlink_ext_ack *extack) { const cpumask_t *cpus = qman_affine_cpus(); - bool needs_revert[NR_CPUS] = {false}; struct qman_portal *portal; u32 period, prev_period; u8 thresh, prev_thresh; + bool *needs_revert; int cpu, res; + needs_revert = kcalloc(num_possible_cpus(), sizeof(bool), GFP_KERNEL); + if (!needs_revert) + return -ENOMEM; + period = c->rx_coalesce_usecs; thresh = c->rx_max_coalesced_frames; @@ -569,6 +573,8 @@ static int dpaa_set_coalesce(struct net_device *dev, needs_revert[cpu] = true; } + kfree(needs_revert); + return 0; revert_values: @@ -582,6 +588,8 @@ static int dpaa_set_coalesce(struct net_device *dev, qman_dqrr_set_ithresh(portal, prev_thresh); } + kfree(needs_revert); + return res; } diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index 78040a0931..fa1b1b7dd8 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -2468,11 +2468,14 @@ static int dpaa2_eth_xdp_xmit(struct net_device *net_dev, int n, static int update_xps(struct dpaa2_eth_priv *priv) { struct net_device *net_dev = priv->net_dev; - struct cpumask xps_mask; - struct dpaa2_eth_fq *fq; int i, num_queues, netdev_queues; + struct dpaa2_eth_fq *fq; + cpumask_var_t xps_mask; int err = 0; + if (!alloc_cpumask_var(&xps_mask, GFP_KERNEL)) + return -ENOMEM; + num_queues = dpaa2_eth_queue_count(priv); netdev_queues = (net_dev->num_tc ? : 1) * num_queues; @@ -2482,16 +2485,17 @@ static int update_xps(struct dpaa2_eth_priv *priv) for (i = 0; i < netdev_queues; i++) { fq = &priv->fq[i % num_queues]; - cpumask_clear(&xps_mask); - cpumask_set_cpu(fq->target_cpu, &xps_mask); + cpumask_clear(xps_mask); + cpumask_set_cpu(fq->target_cpu, xps_mask); - err = netif_set_xps_queue(net_dev, &xps_mask, i); + err = netif_set_xps_queue(net_dev, xps_mask, i); if (err) { netdev_warn_once(net_dev, "Error setting XPS queue\n"); break; } } + free_cpumask_var(xps_mask); return err; } diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c index 175f15c468..2b6a6a997d 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c @@ -2585,13 +2585,14 @@ static int dpaa2_switch_refill_bp(struct ethsw_core *ethsw) static int dpaa2_switch_seed_bp(struct ethsw_core *ethsw) { - int *count, i; + int *count, ret, i; for (i = 0; i < DPAA2_ETHSW_NUM_BUFS; i += BUFS_PER_CMD) { + ret = dpaa2_switch_add_bufs(ethsw, ethsw->bpid); count = ðsw->buf_count; - *count += dpaa2_switch_add_bufs(ethsw, ethsw->bpid); + *count += ret; - if (unlikely(*count < BUFS_PER_CMD)) + if (unlikely(ret < BUFS_PER_CMD)) return -ENOMEM; } diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index e16bd2b769..b51d547996 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -1223,7 +1223,6 @@ static void enetc_xdp_drop(struct enetc_bdr *rx_ring, int rx_ring_first, &rx_ring->rx_swbd[rx_ring_first]); enetc_bdr_idx_inc(rx_ring, &rx_ring_first); } - rx_ring->stats.xdp_drops++; } static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring, @@ -1280,6 +1279,7 @@ static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring, fallthrough; case XDP_DROP: enetc_xdp_drop(rx_ring, orig_i, i); + rx_ring->stats.xdp_drops++; break; case XDP_PASS: rxbd = orig_rxbd; @@ -1883,12 +1883,11 @@ static int enetc_setup_irqs(struct enetc_ndev_priv *priv) snprintf(v->name, sizeof(v->name), "%s-rxtx%d", priv->ndev->name, i); - err = request_irq(irq, enetc_msix, 0, v->name, v); + err = request_irq(irq, enetc_msix, IRQF_NO_AUTOEN, v->name, v); if (err) { dev_err(priv->dev, "request_irq() failed!\n"); goto irq_err; } - disable_irq(irq); v->tbier_base = hw->reg + ENETC_BDR(TX, 0, ENETC_TBIER); v->rbier = hw->reg + ENETC_BDR(RX, i, ENETC_RBIER); diff --git a/drivers/net/ethernet/freescale/enetc/enetc_vf.c b/drivers/net/ethernet/freescale/enetc/enetc_vf.c index acd4a3167e..88dfcebf2b 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_vf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_vf.c @@ -78,11 +78,18 @@ static int enetc_vf_set_mac_addr(struct net_device *ndev, void *addr) { struct enetc_ndev_priv *priv = netdev_priv(ndev); struct sockaddr *saddr = addr; + int err; if (!is_valid_ether_addr(saddr->sa_data)) return -EADDRNOTAVAIL; - return enetc_msg_vsi_set_primary_mac_addr(priv, saddr); + err = enetc_msg_vsi_set_primary_mac_addr(priv, saddr); + if (err) + return err; + + eth_hw_addr_set(ndev, saddr->sa_data); + + return 0; } static int enetc_vf_set_features(struct net_device *ndev, diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index f02376555e..0a3cf22dc2 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -252,8 +252,8 @@ MODULE_PARM_DESC(macaddr, "FEC Ethernet MAC address"); #define PKT_MINBUF_SIZE 64 /* FEC receive acceleration */ -#define FEC_RACC_IPDIS (1 << 1) -#define FEC_RACC_PRODIS (1 << 2) +#define FEC_RACC_IPDIS BIT(1) +#define FEC_RACC_PRODIS BIT(2) #define FEC_RACC_SHIFT16 BIT(7) #define FEC_RACC_OPTIONS (FEC_RACC_IPDIS | FEC_RACC_PRODIS) @@ -285,8 +285,23 @@ MODULE_PARM_DESC(macaddr, "FEC Ethernet MAC address"); #define FEC_MMFR_TA (2 << 16) #define FEC_MMFR_DATA(v) (v & 0xffff) /* FEC ECR bits definition */ -#define FEC_ECR_MAGICEN (1 << 2) -#define FEC_ECR_SLEEP (1 << 3) +#define FEC_ECR_RESET BIT(0) +#define FEC_ECR_ETHEREN BIT(1) +#define FEC_ECR_MAGICEN BIT(2) +#define FEC_ECR_SLEEP BIT(3) +#define FEC_ECR_EN1588 BIT(4) +#define FEC_ECR_BYTESWP BIT(8) +/* FEC RCR bits definition */ +#define FEC_RCR_LOOP BIT(0) +#define FEC_RCR_HALFDPX BIT(1) +#define FEC_RCR_MII BIT(2) +#define FEC_RCR_PROMISC BIT(3) +#define FEC_RCR_BC_REJ BIT(4) +#define FEC_RCR_FLOWCTL BIT(5) +#define FEC_RCR_RMII BIT(8) +#define FEC_RCR_10BASET BIT(9) +/* TX WMARK bits */ +#define FEC_TXWMRK_STRFWD BIT(8) #define FEC_MII_TIMEOUT 30000 /* us */ @@ -981,7 +996,7 @@ fec_restart(struct net_device *ndev) struct fec_enet_private *fep = netdev_priv(ndev); u32 temp_mac[2]; u32 rcntl = OPT_FRAME_SIZE | 0x04; - u32 ecntl = 0x2; /* ETHEREN */ + u32 ecntl = FEC_ECR_ETHEREN; /* Whack a reset. We should wait for this. * For i.MX6SX SOC, enet use AXI bus, we use disable MAC @@ -1059,18 +1074,18 @@ fec_restart(struct net_device *ndev) fep->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) rcntl |= (1 << 6); else if (fep->phy_interface == PHY_INTERFACE_MODE_RMII) - rcntl |= (1 << 8); + rcntl |= FEC_RCR_RMII; else - rcntl &= ~(1 << 8); + rcntl &= ~FEC_RCR_RMII; /* 1G, 100M or 10M */ if (ndev->phydev) { if (ndev->phydev->speed == SPEED_1000) ecntl |= (1 << 5); else if (ndev->phydev->speed == SPEED_100) - rcntl &= ~(1 << 9); + rcntl &= ~FEC_RCR_10BASET; else - rcntl |= (1 << 9); + rcntl |= FEC_RCR_10BASET; } } else { #ifdef FEC_MIIGSK_ENR @@ -1129,13 +1144,13 @@ fec_restart(struct net_device *ndev) if (fep->quirks & FEC_QUIRK_ENET_MAC) { /* enable ENET endian swap */ - ecntl |= (1 << 8); + ecntl |= FEC_ECR_BYTESWP; /* enable ENET store and forward mode */ - writel(1 << 8, fep->hwp + FEC_X_WMRK); + writel(FEC_TXWMRK_STRFWD, fep->hwp + FEC_X_WMRK); } if (fep->bufdesc_ex) - ecntl |= (1 << 4); + ecntl |= FEC_ECR_EN1588; if (fep->quirks & FEC_QUIRK_DELAYED_CLKS_SUPPORT && fep->rgmii_txc_dly) @@ -1189,7 +1204,7 @@ static void fec_stop(struct net_device *ndev) { struct fec_enet_private *fep = netdev_priv(ndev); - u32 rmii_mode = readl(fep->hwp + FEC_R_CNTRL) & (1 << 8); + u32 rmii_mode = readl(fep->hwp + FEC_R_CNTRL) & FEC_RCR_RMII; u32 val; /* We cannot expect a graceful transmit stop without link !!! */ @@ -1208,7 +1223,7 @@ fec_stop(struct net_device *ndev) if (fep->quirks & FEC_QUIRK_HAS_MULTI_QUEUES) { writel(0, fep->hwp + FEC_ECNTRL); } else { - writel(1, fep->hwp + FEC_ECNTRL); + writel(FEC_ECR_RESET, fep->hwp + FEC_ECNTRL); udelay(10); } writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); @@ -1224,11 +1239,16 @@ fec_stop(struct net_device *ndev) /* We have to keep ENET enabled to have MII interrupt stay working */ if (fep->quirks & FEC_QUIRK_ENET_MAC && !(fep->wol_flag & FEC_WOL_FLAG_SLEEP_ON)) { - writel(2, fep->hwp + FEC_ECNTRL); + writel(FEC_ECR_ETHEREN, fep->hwp + FEC_ECNTRL); writel(rmii_mode, fep->hwp + FEC_R_CNTRL); } -} + if (fep->bufdesc_ex) { + val = readl(fep->hwp + FEC_ECNTRL); + val |= FEC_ECR_EN1588; + writel(val, fep->hwp + FEC_ECNTRL); + } +} static void fec_timeout(struct net_device *ndev, unsigned int txqueue) diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c index 780fbb3e1e..84e0855069 100644 --- a/drivers/net/ethernet/freescale/fec_ptp.c +++ b/drivers/net/ethernet/freescale/fec_ptp.c @@ -640,6 +640,9 @@ void fec_ptp_stop(struct platform_device *pdev) struct net_device *ndev = platform_get_drvdata(pdev); struct fec_enet_private *fep = netdev_priv(ndev); + if (fep->pps_enable) + fec_ptp_enable_pps(fep, 0); + cancel_delayed_work_sync(&fep->time_keep); if (fep->ptp_clock) ptp_clock_unregister(fep->ptp_clock); diff --git a/drivers/net/ethernet/google/gve/gve.h b/drivers/net/ethernet/google/gve/gve.h index 08f4c0595e..822bdaff66 100644 --- a/drivers/net/ethernet/google/gve/gve.h +++ b/drivers/net/ethernet/google/gve/gve.h @@ -144,6 +144,15 @@ struct gve_index_list { s16 tail; }; +/* A single received packet split across multiple buffers may be + * reconstructed using the information in this structure. + */ +struct gve_rx_ctx { + /* head and tail of skb chain for the current packet or NULL if none */ + struct sk_buff *skb_head; + struct sk_buff *skb_tail; +}; + /* Contains datapath state used to represent an RX queue. */ struct gve_rx_ring { struct gve_priv *gve; @@ -208,9 +217,7 @@ struct gve_rx_ring { dma_addr_t q_resources_bus; /* dma address for the queue resources */ struct u64_stats_sync statss; /* sync stats for 32bit archs */ - /* head and tail of skb chain for the current packet or NULL if none */ - struct sk_buff *skb_head; - struct sk_buff *skb_tail; + struct gve_rx_ctx ctx; /* Info for packet currently being processed in this ring. */ }; /* A TX desc ring entry */ diff --git a/drivers/net/ethernet/google/gve/gve_rx_dqo.c b/drivers/net/ethernet/google/gve/gve_rx_dqo.c index d947c2c334..8756f9cbd6 100644 --- a/drivers/net/ethernet/google/gve/gve_rx_dqo.c +++ b/drivers/net/ethernet/google/gve/gve_rx_dqo.c @@ -240,8 +240,8 @@ static int gve_rx_alloc_ring_dqo(struct gve_priv *priv, int idx) rx->dqo.bufq.mask = buffer_queue_slots - 1; rx->dqo.complq.num_free_slots = completion_queue_slots; rx->dqo.complq.mask = completion_queue_slots - 1; - rx->skb_head = NULL; - rx->skb_tail = NULL; + rx->ctx.skb_head = NULL; + rx->ctx.skb_tail = NULL; rx->dqo.num_buf_states = min_t(s16, S16_MAX, buffer_queue_slots * 4); rx->dqo.buf_states = kvcalloc(rx->dqo.num_buf_states, @@ -465,14 +465,16 @@ static void gve_rx_skb_hash(struct sk_buff *skb, skb_set_hash(skb, le32_to_cpu(compl_desc->hash), hash_type); } -static void gve_rx_free_skb(struct gve_rx_ring *rx) +static void gve_rx_free_skb(struct napi_struct *napi, struct gve_rx_ring *rx) { - if (!rx->skb_head) + if (!rx->ctx.skb_head) return; - dev_kfree_skb_any(rx->skb_head); - rx->skb_head = NULL; - rx->skb_tail = NULL; + if (rx->ctx.skb_head == napi->skb) + napi->skb = NULL; + dev_kfree_skb_any(rx->ctx.skb_head); + rx->ctx.skb_head = NULL; + rx->ctx.skb_tail = NULL; } /* Chains multi skbs for single rx packet. @@ -483,7 +485,7 @@ static int gve_rx_append_frags(struct napi_struct *napi, u16 buf_len, struct gve_rx_ring *rx, struct gve_priv *priv) { - int num_frags = skb_shinfo(rx->skb_tail)->nr_frags; + int num_frags = skb_shinfo(rx->ctx.skb_tail)->nr_frags; if (unlikely(num_frags == MAX_SKB_FRAGS)) { struct sk_buff *skb; @@ -492,17 +494,17 @@ static int gve_rx_append_frags(struct napi_struct *napi, if (!skb) return -1; - skb_shinfo(rx->skb_tail)->frag_list = skb; - rx->skb_tail = skb; + skb_shinfo(rx->ctx.skb_tail)->frag_list = skb; + rx->ctx.skb_tail = skb; num_frags = 0; } - if (rx->skb_tail != rx->skb_head) { - rx->skb_head->len += buf_len; - rx->skb_head->data_len += buf_len; - rx->skb_head->truesize += priv->data_buffer_size_dqo; + if (rx->ctx.skb_tail != rx->ctx.skb_head) { + rx->ctx.skb_head->len += buf_len; + rx->ctx.skb_head->data_len += buf_len; + rx->ctx.skb_head->truesize += priv->data_buffer_size_dqo; } - skb_add_rx_frag(rx->skb_tail, num_frags, + skb_add_rx_frag(rx->ctx.skb_tail, num_frags, buf_state->page_info.page, buf_state->page_info.page_offset, buf_len, priv->data_buffer_size_dqo); @@ -556,7 +558,7 @@ static int gve_rx_dqo(struct napi_struct *napi, struct gve_rx_ring *rx, buf_len, DMA_FROM_DEVICE); /* Append to current skb if one exists. */ - if (rx->skb_head) { + if (rx->ctx.skb_head) { if (unlikely(gve_rx_append_frags(napi, buf_state, buf_len, rx, priv)) != 0) { goto error; @@ -567,11 +569,11 @@ static int gve_rx_dqo(struct napi_struct *napi, struct gve_rx_ring *rx, } if (eop && buf_len <= priv->rx_copybreak) { - rx->skb_head = gve_rx_copy(priv->dev, napi, - &buf_state->page_info, buf_len, 0); - if (unlikely(!rx->skb_head)) + rx->ctx.skb_head = gve_rx_copy(priv->dev, napi, + &buf_state->page_info, buf_len, 0); + if (unlikely(!rx->ctx.skb_head)) goto error; - rx->skb_tail = rx->skb_head; + rx->ctx.skb_tail = rx->ctx.skb_head; u64_stats_update_begin(&rx->statss); rx->rx_copied_pkt++; @@ -583,12 +585,12 @@ static int gve_rx_dqo(struct napi_struct *napi, struct gve_rx_ring *rx, return 0; } - rx->skb_head = napi_get_frags(napi); - if (unlikely(!rx->skb_head)) + rx->ctx.skb_head = napi_get_frags(napi); + if (unlikely(!rx->ctx.skb_head)) goto error; - rx->skb_tail = rx->skb_head; + rx->ctx.skb_tail = rx->ctx.skb_head; - skb_add_rx_frag(rx->skb_head, 0, buf_state->page_info.page, + skb_add_rx_frag(rx->ctx.skb_head, 0, buf_state->page_info.page, buf_state->page_info.page_offset, buf_len, priv->data_buffer_size_dqo); gve_dec_pagecnt_bias(&buf_state->page_info); @@ -635,27 +637,27 @@ static int gve_rx_complete_skb(struct gve_rx_ring *rx, struct napi_struct *napi, rx->gve->ptype_lut_dqo->ptypes[desc->packet_type]; int err; - skb_record_rx_queue(rx->skb_head, rx->q_num); + skb_record_rx_queue(rx->ctx.skb_head, rx->q_num); if (feat & NETIF_F_RXHASH) - gve_rx_skb_hash(rx->skb_head, desc, ptype); + gve_rx_skb_hash(rx->ctx.skb_head, desc, ptype); if (feat & NETIF_F_RXCSUM) - gve_rx_skb_csum(rx->skb_head, desc, ptype); + gve_rx_skb_csum(rx->ctx.skb_head, desc, ptype); /* RSC packets must set gso_size otherwise the TCP stack will complain * that packets are larger than MTU. */ if (desc->rsc) { - err = gve_rx_complete_rsc(rx->skb_head, desc, ptype); + err = gve_rx_complete_rsc(rx->ctx.skb_head, desc, ptype); if (err < 0) return err; } - if (skb_headlen(rx->skb_head) == 0) + if (skb_headlen(rx->ctx.skb_head) == 0) napi_gro_frags(napi); else - napi_gro_receive(napi, rx->skb_head); + napi_gro_receive(napi, rx->ctx.skb_head); return 0; } @@ -690,7 +692,7 @@ int gve_rx_poll_dqo(struct gve_notify_block *block, int budget) err = gve_rx_dqo(napi, rx, compl_desc, rx->q_num); if (err < 0) { - gve_rx_free_skb(rx); + gve_rx_free_skb(napi, rx); u64_stats_update_begin(&rx->statss); if (err == -ENOMEM) rx->rx_skb_alloc_fail++; @@ -717,23 +719,23 @@ int gve_rx_poll_dqo(struct gve_notify_block *block, int budget) /* Free running counter of completed descriptors */ rx->cnt++; - if (!rx->skb_head) + if (!rx->ctx.skb_head) continue; if (!compl_desc->end_of_packet) continue; work_done++; - pkt_bytes = rx->skb_head->len; + pkt_bytes = rx->ctx.skb_head->len; /* The ethernet header (first ETH_HLEN bytes) is snipped off * by eth_type_trans. */ - if (skb_headlen(rx->skb_head)) + if (skb_headlen(rx->ctx.skb_head)) pkt_bytes += ETH_HLEN; /* gve_rx_complete_skb() will consume skb if successful */ if (gve_rx_complete_skb(rx, napi, compl_desc, feat) != 0) { - gve_rx_free_skb(rx); + gve_rx_free_skb(napi, rx); u64_stats_update_begin(&rx->statss); rx->rx_desc_err_dropped_pkt++; u64_stats_update_end(&rx->statss); @@ -741,8 +743,8 @@ int gve_rx_poll_dqo(struct gve_notify_block *block, int budget) } bytes += pkt_bytes; - rx->skb_head = NULL; - rx->skb_tail = NULL; + rx->ctx.skb_head = NULL; + rx->ctx.skb_tail = NULL; } gve_rx_post_buffers_dqo(rx); diff --git a/drivers/net/ethernet/google/gve/gve_tx_dqo.c b/drivers/net/ethernet/google/gve/gve_tx_dqo.c index 94e3b74a10..dfbb524bf7 100644 --- a/drivers/net/ethernet/google/gve/gve_tx_dqo.c +++ b/drivers/net/ethernet/google/gve/gve_tx_dqo.c @@ -606,22 +606,42 @@ static bool gve_can_send_tso(const struct sk_buff *skb) const struct skb_shared_info *shinfo = skb_shinfo(skb); const int gso_size = shinfo->gso_size; int cur_seg_num_bufs; + int prev_frag_size; int cur_seg_size; int i; cur_seg_size = skb_headlen(skb) - header_len; + prev_frag_size = skb_headlen(skb); cur_seg_num_bufs = cur_seg_size > 0; for (i = 0; i < shinfo->nr_frags; i++) { if (cur_seg_size >= gso_size) { cur_seg_size %= gso_size; cur_seg_num_bufs = cur_seg_size > 0; + + if (prev_frag_size > GVE_TX_MAX_BUF_SIZE_DQO) { + int prev_frag_remain = prev_frag_size % + GVE_TX_MAX_BUF_SIZE_DQO; + + /* If the last descriptor of the previous frag + * is less than cur_seg_size, the segment will + * span two descriptors in the previous frag. + * Since max gso size (9728) is less than + * GVE_TX_MAX_BUF_SIZE_DQO, it is impossible + * for the segment to span more than two + * descriptors. + */ + if (prev_frag_remain && + cur_seg_size > prev_frag_remain) + cur_seg_num_bufs++; + } } if (unlikely(++cur_seg_num_bufs > max_bufs_per_seg)) return false; - cur_seg_size += skb_frag_size(&shinfo->frags[i]); + prev_frag_size = skb_frag_size(&shinfo->frags[i]); + cur_seg_size += prev_frag_size; } return true; diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c index 37b605fed3..2bda229651 100644 --- a/drivers/net/ethernet/hisilicon/hip04_eth.c +++ b/drivers/net/ethernet/hisilicon/hip04_eth.c @@ -947,6 +947,7 @@ static int hip04_mac_probe(struct platform_device *pdev) priv->tx_coalesce_timer.function = tx_done; priv->map = syscon_node_to_regmap(arg.np); + of_node_put(arg.np); if (IS_ERR(priv->map)) { dev_warn(d, "no syscon hisilicon,hip04-ppe\n"); ret = PTR_ERR(priv->map); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c index 236ee9b9d1..7f7c14c742 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -933,6 +933,7 @@ static int hns_mac_get_info(struct hns_mac_cb *mac_cb) mac_cb->cpld_ctrl = NULL; } else { syscon = syscon_node_to_regmap(cpld_args.np); + of_node_put(cpld_args.np); if (IS_ERR_OR_NULL(syscon)) { dev_dbg(mac_cb->dev, "no cpld-syscon found!\n"); mac_cb->cpld_ctrl = NULL; diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.c b/drivers/net/ethernet/hisilicon/hns3/hnae3.c index 67b0bf310d..9a63fbc694 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.c +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.c @@ -25,8 +25,11 @@ void hnae3_unregister_ae_algo_prepare(struct hnae3_ae_algo *ae_algo) pci_id = pci_match_id(ae_algo->pdev_id_table, ae_dev->pdev); if (!pci_id) continue; - if (IS_ENABLED(CONFIG_PCI_IOV)) + if (IS_ENABLED(CONFIG_PCI_IOV)) { + device_lock(&ae_dev->pdev->dev); pci_disable_sriov(ae_dev->pdev); + device_unlock(&ae_dev->pdev->dev); + } } } EXPORT_SYMBOL(hnae3_unregister_ae_algo_prepare); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index bbbafd8aa1..d6bdcd9f28 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -3342,6 +3342,9 @@ static int hns3_alloc_ring_buffers(struct hns3_enet_ring *ring) ret = hns3_alloc_and_attach_buffer(ring, i); if (ret) goto out_buffer_fail; + + if (!(i % HNS3_RESCHED_BD_NUM)) + cond_resched(); } return 0; @@ -4887,6 +4890,7 @@ int hns3_init_all_ring(struct hns3_nic_priv *priv) } u64_stats_init(&priv->ring[i].syncp); + cond_resched(); } return 0; @@ -5500,6 +5504,9 @@ static int hns3_reset_notify_uninit_enet(struct hnae3_handle *handle) struct net_device *netdev = handle->kinfo.netdev; struct hns3_nic_priv *priv = netdev_priv(netdev); + if (!test_bit(HNS3_NIC_STATE_DOWN, &priv->state)) + hns3_nic_net_stop(netdev); + if (!test_and_clear_bit(HNS3_NIC_STATE_INITED, &priv->state)) { netdev_warn(netdev, "already uninitialized\n"); return 0; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index 91b656adaa..f60ba2ee8b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -206,6 +206,8 @@ enum hns3_nic_state { #define HNS3_CQ_MODE_EQE 1U #define HNS3_CQ_MODE_CQE 0U +#define HNS3_RESCHED_BD_NUM 1024 + enum hns3_pkt_l2t_type { HNS3_L2_TYPE_UNICAST, HNS3_L2_TYPE_MULTICAST, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index d58048b056..eb902e80a8 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -2948,9 +2948,7 @@ static void hclge_push_link_status(struct hclge_dev *hdev) static void hclge_update_link_status(struct hclge_dev *hdev) { - struct hnae3_handle *rhandle = &hdev->vport[0].roce; struct hnae3_handle *handle = &hdev->vport[0].nic; - struct hnae3_client *rclient = hdev->roce_client; struct hnae3_client *client = hdev->nic_client; int state; int ret; @@ -2974,8 +2972,15 @@ static void hclge_update_link_status(struct hclge_dev *hdev) client->ops->link_status_change(handle, state); hclge_config_mac_tnl_int(hdev, state); - if (rclient && rclient->ops->link_status_change) - rclient->ops->link_status_change(rhandle, state); + + if (test_bit(HCLGE_STATE_ROCE_REGISTERED, &hdev->state)) { + struct hnae3_handle *rhandle = &hdev->vport[0].roce; + struct hnae3_client *rclient = hdev->roce_client; + + if (rclient && rclient->ops->link_status_change) + rclient->ops->link_status_change(rhandle, + state); + } hclge_push_link_status(hdev); } @@ -11431,6 +11436,12 @@ static int hclge_init_client_instance(struct hnae3_client *client, return ret; } +static bool hclge_uninit_need_wait(struct hclge_dev *hdev) +{ + return test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state) || + test_bit(HCLGE_STATE_LINK_UPDATING, &hdev->state); +} + static void hclge_uninit_client_instance(struct hnae3_client *client, struct hnae3_ae_dev *ae_dev) { @@ -11439,7 +11450,7 @@ static void hclge_uninit_client_instance(struct hnae3_client *client, if (hdev->roce_client) { clear_bit(HCLGE_STATE_ROCE_REGISTERED, &hdev->state); - while (test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state)) + while (hclge_uninit_need_wait(hdev)) msleep(HCLGE_WAIT_RESET_DONE); hdev->roce_client->ops->uninit_instance(&vport->roce, 0); @@ -11625,8 +11636,8 @@ static void hclge_reset_done(struct hnae3_ae_dev *ae_dev) dev_err(&hdev->pdev->dev, "fail to rebuild, ret=%d\n", ret); hdev->reset_type = HNAE3_NONE_RESET; - clear_bit(HCLGE_STATE_RST_HANDLING, &hdev->state); - up(&hdev->reset_sem); + if (test_and_clear_bit(HCLGE_STATE_RST_HANDLING, &hdev->state)) + up(&hdev->reset_sem); } static void hclge_clear_resetting_state(struct hclge_dev *hdev) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c index 77c432ab78..e2fe41d397 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c @@ -1066,10 +1066,11 @@ void hclge_mbx_handler(struct hclge_dev *hdev) req = (struct hclge_mbx_vf_to_pf_cmd *)desc->data; flag = le16_to_cpu(crq->desc[crq->next_to_use].flag); - if (unlikely(!hnae3_get_bit(flag, HCLGE_CMDQ_RX_OUTVLD_B))) { + if (unlikely(!hnae3_get_bit(flag, HCLGE_CMDQ_RX_OUTVLD_B) || + req->mbx_src_vfid > hdev->num_req_vfs)) { dev_warn(&hdev->pdev->dev, - "dropped invalid mailbox message, code = %u\n", - req->msg.code); + "dropped invalid mailbox message, code = %u, vfid = %u\n", + req->msg.code, req->mbx_src_vfid); /* dropping/not processing this invalid message */ crq->desc[crq->next_to_use].flag = 0; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index a41e04796b..5b861a2a3e 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -2217,8 +2217,8 @@ static void hclgevf_reset_done(struct hnae3_ae_dev *ae_dev) ret); hdev->reset_type = HNAE3_NONE_RESET; - clear_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state); - up(&hdev->reset_sem); + if (test_and_clear_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state)) + up(&hdev->reset_sem); } static u32 hclgevf_get_fw_version(struct hnae3_handle *handle) diff --git a/drivers/net/ethernet/hisilicon/hns_mdio.c b/drivers/net/ethernet/hisilicon/hns_mdio.c index 07fdab5800..dd5fe71279 100644 --- a/drivers/net/ethernet/hisilicon/hns_mdio.c +++ b/drivers/net/ethernet/hisilicon/hns_mdio.c @@ -497,6 +497,7 @@ static int hns_mdio_probe(struct platform_device *pdev) MDIO_SC_RESET_ST; } } + of_node_put(reg_args.np); } else { dev_warn(&pdev->dev, "find syscon ret = %#x\n", ret); mdio_dev->subctrl_vbase = NULL; diff --git a/drivers/net/ethernet/i825xx/sun3_82586.c b/drivers/net/ethernet/i825xx/sun3_82586.c index 18d32302c3..95a6bbfa01 100644 --- a/drivers/net/ethernet/i825xx/sun3_82586.c +++ b/drivers/net/ethernet/i825xx/sun3_82586.c @@ -987,7 +987,7 @@ static void sun3_82586_timeout(struct net_device *dev, unsigned int txqueue) { #ifdef DEBUG printk("%s: xmitter timed out, try to restart! stat: %02x\n",dev->name,p->scb->cus); - printk("%s: command-stats: %04x %04x\n",dev->name,swab16(p->xmit_cmds[0]->cmd_status),swab16(p->xmit_cmds[1]->cmd_status)); + printk("%s: command-stats: %04x\n", dev->name, swab16(p->xmit_cmds[0]->cmd_status)); printk("%s: check, whether you set the right interrupt number!\n",dev->name); #endif sun3_82586_close(dev); @@ -1012,6 +1012,7 @@ sun3_82586_send_packet(struct sk_buff *skb, struct net_device *dev) if(skb->len > XMIT_BUFF_SIZE) { printk("%s: Sorry, max. framelength is %d bytes. The length of your frame is %d bytes.\n",dev->name,XMIT_BUFF_SIZE,skb->len); + dev_kfree_skb(skb); return NETDEV_TX_OK; } diff --git a/drivers/net/ethernet/ibm/emac/mal.c b/drivers/net/ethernet/ibm/emac/mal.c index 075c07303f..b095d5057b 100644 --- a/drivers/net/ethernet/ibm/emac/mal.c +++ b/drivers/net/ethernet/ibm/emac/mal.c @@ -576,7 +576,7 @@ static int mal_probe(struct platform_device *ofdev) printk(KERN_ERR "%pOF: Support for 405EZ not enabled!\n", ofdev->dev.of_node); err = -ENODEV; - goto fail; + goto fail_unmap; #endif } diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 890e27b986..7f4539a2e5 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -3409,6 +3409,12 @@ static void release_sub_crqs(struct ibmvnic_adapter *adapter, bool do_h_free) adapter->num_active_tx_scrqs = 0; } + /* Clean any remaining outstanding SKBs + * we freed the irq so we won't be hearing + * from them + */ + clean_tx_pools(adapter); + if (adapter->rx_scrq) { for (i = 0; i < adapter->num_active_rx_scrqs; i++) { if (!adapter->rx_scrq[i]) diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 6b7d162af3..c153f44a6a 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -6374,49 +6374,49 @@ static void e1000e_s0ix_entry_flow(struct e1000_adapter *adapter) mac_data |= E1000_EXTCNF_CTRL_GATE_PHY_CFG; ew32(EXTCNF_CTRL, mac_data); - /* Enable the Dynamic Power Gating in the MAC */ - mac_data = er32(FEXTNVM7); - mac_data |= BIT(22); - ew32(FEXTNVM7, mac_data); - /* Disable disconnected cable conditioning for Power Gating */ mac_data = er32(DPGFR); mac_data |= BIT(2); ew32(DPGFR, mac_data); - /* Don't wake from dynamic Power Gating with clock request */ - mac_data = er32(FEXTNVM12); - mac_data |= BIT(12); - ew32(FEXTNVM12, mac_data); - - /* Ungate PGCB clock */ - mac_data = er32(FEXTNVM9); - mac_data &= ~BIT(28); - ew32(FEXTNVM9, mac_data); - - /* Enable K1 off to enable mPHY Power Gating */ - mac_data = er32(FEXTNVM6); - mac_data |= BIT(31); - ew32(FEXTNVM6, mac_data); - - /* Enable mPHY power gating for any link and speed */ - mac_data = er32(FEXTNVM8); - mac_data |= BIT(9); - ew32(FEXTNVM8, mac_data); - /* Enable the Dynamic Clock Gating in the DMA and MAC */ mac_data = er32(CTRL_EXT); mac_data |= E1000_CTRL_EXT_DMA_DYN_CLK_EN; ew32(CTRL_EXT, mac_data); - - /* No MAC DPG gating SLP_S0 in modern standby - * Switch the logic of the lanphypc to use PMC counter - */ - mac_data = er32(FEXTNVM5); - mac_data |= BIT(7); - ew32(FEXTNVM5, mac_data); } + /* Enable the Dynamic Power Gating in the MAC */ + mac_data = er32(FEXTNVM7); + mac_data |= BIT(22); + ew32(FEXTNVM7, mac_data); + + /* Don't wake from dynamic Power Gating with clock request */ + mac_data = er32(FEXTNVM12); + mac_data |= BIT(12); + ew32(FEXTNVM12, mac_data); + + /* Ungate PGCB clock */ + mac_data = er32(FEXTNVM9); + mac_data &= ~BIT(28); + ew32(FEXTNVM9, mac_data); + + /* Enable K1 off to enable mPHY Power Gating */ + mac_data = er32(FEXTNVM6); + mac_data |= BIT(31); + ew32(FEXTNVM6, mac_data); + + /* Enable mPHY power gating for any link and speed */ + mac_data = er32(FEXTNVM8); + mac_data |= BIT(9); + ew32(FEXTNVM8, mac_data); + + /* No MAC DPG gating SLP_S0 in modern standby + * Switch the logic of the lanphypc to use PMC counter + */ + mac_data = er32(FEXTNVM5); + mac_data |= BIT(7); + ew32(FEXTNVM5, mac_data); + /* Disable the time synchronization clock */ mac_data = er32(FEXTNVM7); mac_data |= BIT(31); @@ -6508,33 +6508,6 @@ static void e1000e_s0ix_exit_flow(struct e1000_adapter *adapter) } else { /* Request driver unconfigure the device from S0ix */ - /* Disable the Dynamic Power Gating in the MAC */ - mac_data = er32(FEXTNVM7); - mac_data &= 0xFFBFFFFF; - ew32(FEXTNVM7, mac_data); - - /* Disable mPHY power gating for any link and speed */ - mac_data = er32(FEXTNVM8); - mac_data &= ~BIT(9); - ew32(FEXTNVM8, mac_data); - - /* Disable K1 off */ - mac_data = er32(FEXTNVM6); - mac_data &= ~BIT(31); - ew32(FEXTNVM6, mac_data); - - /* Disable Ungate PGCB clock */ - mac_data = er32(FEXTNVM9); - mac_data |= BIT(28); - ew32(FEXTNVM9, mac_data); - - /* Cancel not waking from dynamic - * Power Gating with clock request - */ - mac_data = er32(FEXTNVM12); - mac_data &= ~BIT(12); - ew32(FEXTNVM12, mac_data); - /* Cancel disable disconnected cable conditioning * for Power Gating */ @@ -6547,13 +6520,6 @@ static void e1000e_s0ix_exit_flow(struct e1000_adapter *adapter) mac_data &= 0xFFF7FFFF; ew32(CTRL_EXT, mac_data); - /* Revert the lanphypc logic to use the internal Gbe counter - * and not the PMC counter - */ - mac_data = er32(FEXTNVM5); - mac_data &= 0xFFFFFF7F; - ew32(FEXTNVM5, mac_data); - /* Enable the periodic inband message, * Request PCIe clock in K1 page770_17[10:9] =01b */ @@ -6591,6 +6557,40 @@ static void e1000e_s0ix_exit_flow(struct e1000_adapter *adapter) mac_data &= ~BIT(31); mac_data |= BIT(0); ew32(FEXTNVM7, mac_data); + + /* Disable the Dynamic Power Gating in the MAC */ + mac_data = er32(FEXTNVM7); + mac_data &= 0xFFBFFFFF; + ew32(FEXTNVM7, mac_data); + + /* Disable mPHY power gating for any link and speed */ + mac_data = er32(FEXTNVM8); + mac_data &= ~BIT(9); + ew32(FEXTNVM8, mac_data); + + /* Disable K1 off */ + mac_data = er32(FEXTNVM6); + mac_data &= ~BIT(31); + ew32(FEXTNVM6, mac_data); + + /* Disable Ungate PGCB clock */ + mac_data = er32(FEXTNVM9); + mac_data |= BIT(28); + ew32(FEXTNVM9, mac_data); + + /* Cancel not waking from dynamic + * Power Gating with clock request + */ + mac_data = er32(FEXTNVM12); + mac_data &= ~BIT(12); + ew32(FEXTNVM12, mac_data); + + /* Revert the lanphypc logic to use the internal Gbe counter + * and not the PMC counter + */ + mac_data = er32(FEXTNVM5); + mac_data &= 0xFFFFFF7F; + ew32(FEXTNVM5, mac_data); } static int e1000e_pm_freeze(struct device *dev) diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index a05103e2fb..a143440f3d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -776,6 +776,7 @@ enum i40e_filter_state { I40E_FILTER_ACTIVE, /* Added to switch by FW */ I40E_FILTER_FAILED, /* Rejected by FW */ I40E_FILTER_REMOVE, /* To be removed */ + I40E_FILTER_NEW_SYNC, /* New, not sent yet, is in i40e_sync_vsi_filters() */ /* There is no 'removed' state; the filter struct is freed */ }; struct i40e_mac_filter { diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c index 7c5f874ef3..503818f071 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c +++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c @@ -105,6 +105,7 @@ static char *i40e_filter_state_string[] = { "ACTIVE", "FAILED", "REMOVE", + "NEW_SYNC", }; /** diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 991321b040..bc5da0b864 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -1233,6 +1233,7 @@ int i40e_count_filters(struct i40e_vsi *vsi) hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f, hlist) { if (f->state == I40E_FILTER_NEW || + f->state == I40E_FILTER_NEW_SYNC || f->state == I40E_FILTER_ACTIVE) ++cnt; } @@ -1419,6 +1420,8 @@ static int i40e_correct_mac_vlan_filters(struct i40e_vsi *vsi, new->f = add_head; new->state = add_head->state; + if (add_head->state == I40E_FILTER_NEW) + add_head->state = I40E_FILTER_NEW_SYNC; /* Add the new filter to the tmp list */ hlist_add_head(&new->hlist, tmp_add_list); @@ -1528,6 +1531,8 @@ static int i40e_correct_vf_mac_vlan_filters(struct i40e_vsi *vsi, return -ENOMEM; new_mac->f = add_head; new_mac->state = add_head->state; + if (add_head->state == I40E_FILTER_NEW) + add_head->state = I40E_FILTER_NEW_SYNC; /* Add the new filter to the tmp list */ hlist_add_head(&new_mac->hlist, tmp_add_list); @@ -1712,6 +1717,7 @@ struct i40e_mac_filter *i40e_add_mac_filter(struct i40e_vsi *vsi, struct hlist_node *h; int bkt; + lockdep_assert_held(&vsi->mac_filter_hash_lock); if (vsi->info.pvid) return i40e_add_filter(vsi, macaddr, le16_to_cpu(vsi->info.pvid)); @@ -2416,7 +2422,8 @@ static int i40e_aqc_broadcast_filter(struct i40e_vsi *vsi, const char *vsi_name, struct i40e_mac_filter *f) { - bool enable = f->state == I40E_FILTER_NEW; + bool enable = f->state == I40E_FILTER_NEW || + f->state == I40E_FILTER_NEW_SYNC; struct i40e_hw *hw = &vsi->back->hw; int aq_ret; @@ -2590,6 +2597,7 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) /* Add it to the hash list */ hlist_add_head(&new->hlist, &tmp_add_list); + f->state = I40E_FILTER_NEW_SYNC; } /* Count the number of active (current and new) VLAN @@ -2741,7 +2749,8 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) spin_lock_bh(&vsi->mac_filter_hash_lock); hlist_for_each_entry_safe(new, h, &tmp_add_list, hlist) { /* Only update the state if we're still NEW */ - if (new->f->state == I40E_FILTER_NEW) + if (new->f->state == I40E_FILTER_NEW || + new->f->state == I40E_FILTER_NEW_SYNC) new->f->state = new->state; hlist_del(&new->hlist); netdev_hw_addr_refcnt(new->f, vsi->netdev, -1); @@ -13304,6 +13313,10 @@ static int i40e_xdp_setup(struct i40e_vsi *vsi, struct bpf_prog *prog, bool need_reset; int i; + /* VSI shall be deleted in a moment, block loading new programs */ + if (prog && test_bit(__I40E_IN_REMOVE, pf->state)) + return -EINVAL; + /* Don't allow frames that span over multiple buffers */ if (frame_size > i40e_calculate_vsi_rx_buf_len(vsi)) { NL_SET_ERR_MSG_MOD(extack, "MTU too large to enable XDP"); @@ -13312,14 +13325,9 @@ static int i40e_xdp_setup(struct i40e_vsi *vsi, struct bpf_prog *prog, /* When turning XDP on->off/off->on we reset and rebuild the rings. */ need_reset = (i40e_enabled_xdp_vsi(vsi) != !!prog); - if (need_reset) i40e_prep_for_reset(pf); - /* VSI shall be deleted in a moment, just return EINVAL */ - if (test_bit(__I40E_IN_REMOVE, pf->state)) - return -EINVAL; - old_prog = xchg(&vsi->xdp_prog, prog); if (need_reset) { diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index d1635df17e..65a29f955d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -2215,8 +2215,10 @@ static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg) vfres->vsi_res[0].qset_handle = le16_to_cpu(vsi->info.qs_handle[0]); if (!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_USO) && !vf->pf_set_mac) { + spin_lock_bh(&vsi->mac_filter_hash_lock); i40e_del_mac_filter(vsi, vf->default_lan_addr.addr); eth_zero_addr(vf->default_lan_addr.addr); + spin_unlock_bh(&vsi->mac_filter_hash_lock); } ether_addr_copy(vfres->vsi_res[0].default_mac_addr, vf->default_lan_addr.addr); diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c b/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c index 0106ea3519..b52b77579c 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c @@ -456,7 +456,7 @@ ice_parse_rx_flow_user_data(struct ethtool_rx_flow_spec *fsp, * * Returns the number of available flow director filters to this VSI */ -static int ice_fdir_num_avail_fltr(struct ice_hw *hw, struct ice_vsi *vsi) +int ice_fdir_num_avail_fltr(struct ice_hw *hw, struct ice_vsi *vsi) { u16 vsi_num = ice_get_hw_vsi_num(hw, vsi->idx); u16 num_guar; diff --git a/drivers/net/ethernet/intel/ice/ice_fdir.h b/drivers/net/ethernet/intel/ice/ice_fdir.h index d2d40e18ae..32e9258d27 100644 --- a/drivers/net/ethernet/intel/ice/ice_fdir.h +++ b/drivers/net/ethernet/intel/ice/ice_fdir.h @@ -201,6 +201,8 @@ struct ice_fdir_base_pkt { const u8 *tun_pkt; }; +struct ice_vsi; + enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id); enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id); enum ice_status @@ -214,6 +216,7 @@ enum ice_status ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, u8 *pkt, bool frag, bool tun); int ice_get_fdir_cnt_all(struct ice_hw *hw); +int ice_fdir_num_avail_fltr(struct ice_hw *hw, struct ice_vsi *vsi); bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input); bool ice_fdir_has_frag(enum ice_fltr_ptype flow); struct ice_fdir_fltr * diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 8c0ee9a8ff..8a00864ead 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -2751,8 +2751,7 @@ int ice_ena_vsi(struct ice_vsi *vsi, bool locked) */ void ice_dis_vsi(struct ice_vsi *vsi, bool locked) { - if (test_bit(ICE_VSI_DOWN, vsi->state)) - return; + bool already_down = test_bit(ICE_VSI_DOWN, vsi->state); set_bit(ICE_VSI_NEEDS_RESTART, vsi->state); @@ -2760,15 +2759,16 @@ void ice_dis_vsi(struct ice_vsi *vsi, bool locked) if (netif_running(vsi->netdev)) { if (!locked) rtnl_lock(); - - ice_vsi_close(vsi); + already_down = test_bit(ICE_VSI_DOWN, vsi->state); + if (!already_down) + ice_vsi_close(vsi); if (!locked) rtnl_unlock(); - } else { + } else if (!already_down) { ice_vsi_close(vsi); } - } else if (vsi->type == ICE_VSI_CTRL) { + } else if (vsi->type == ICE_VSI_CTRL && !already_down) { ice_vsi_close(vsi); } } diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 3cc344d522..329bf24a3f 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -55,7 +55,8 @@ static void ice_vsi_release_all(struct ice_pf *pf); bool netif_is_ice(struct net_device *dev) { - return dev && (dev->netdev_ops == &ice_netdev_ops); + return dev && (dev->netdev_ops == &ice_netdev_ops || + dev->netdev_ops == &ice_netdev_safe_mode_ops); } /** diff --git a/drivers/net/ethernet/intel/ice/ice_sched.c b/drivers/net/ethernet/intel/ice/ice_sched.c index 0b61fde449..209e3a9d9b 100644 --- a/drivers/net/ethernet/intel/ice/ice_sched.c +++ b/drivers/net/ethernet/intel/ice/ice_sched.c @@ -27,9 +27,8 @@ ice_sched_add_root_node(struct ice_port_info *pi, if (!root) return ICE_ERR_NO_MEMORY; - /* coverity[suspicious_sizeof] */ root->children = devm_kcalloc(ice_hw_to_dev(hw), hw->max_children[0], - sizeof(*root), GFP_KERNEL); + sizeof(*root->children), GFP_KERNEL); if (!root->children) { devm_kfree(ice_hw_to_dev(hw), root); return ICE_ERR_NO_MEMORY; @@ -180,10 +179,9 @@ ice_sched_add_node(struct ice_port_info *pi, u8 layer, if (!node) return ICE_ERR_NO_MEMORY; if (hw->max_children[layer]) { - /* coverity[suspicious_sizeof] */ node->children = devm_kcalloc(ice_hw_to_dev(hw), hw->max_children[layer], - sizeof(*node), GFP_KERNEL); + sizeof(*node->children), GFP_KERNEL); if (!node->children) { devm_kfree(ice_hw_to_dev(hw), node); return ICE_ERR_NO_MEMORY; diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c index deb828e761..08540c12a7 100644 --- a/drivers/net/ethernet/intel/ice/ice_switch.c +++ b/drivers/net/ethernet/intel/ice/ice_switch.c @@ -1286,7 +1286,7 @@ ice_add_update_vsi_list(struct ice_hw *hw, /* A rule already exists with the new VSI being added */ if (test_bit(vsi_handle, m_entry->vsi_list_info->vsi_map)) - return 0; + return -EEXIST; /* Update the previously created VSI list set with * the new VSI ID passed in @@ -2812,8 +2812,6 @@ ice_replay_vsi_fltr(struct ice_hw *hw, u16 vsi_handle, u8 recp_id, if (!itr->vsi_list_info || !test_bit(vsi_handle, itr->vsi_list_info->vsi_map)) continue; - /* Clearing it so that the logic can add it back */ - clear_bit(vsi_handle, itr->vsi_list_info->vsi_map); f_entry.fltr_info.vsi_handle = vsi_handle; f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI; /* update the src in case it is VSI num */ diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c index 6ee8e0032d..b09d89cdb0 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx.c @@ -765,7 +765,7 @@ ice_can_reuse_rx_page(struct ice_rx_buf *rx_buf, int rx_buf_pgcnt) return false; #else #define ICE_LAST_OFFSET \ - (SKB_WITH_OVERHEAD(PAGE_SIZE) - ICE_RXBUF_2048) + (SKB_WITH_OVERHEAD(PAGE_SIZE) - ICE_RXBUF_3072) if (rx_buf->page_offset > ICE_LAST_OFFSET) return false; #endif /* PAGE_SIZE < 8192) */ diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c index 412deb36b6..2ca8102e8f 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c @@ -744,6 +744,8 @@ static void ice_vc_fdir_reset_cnt_all(struct ice_vf_fdir *fdir) fdir->fdir_fltr_cnt[flow][0] = 0; fdir->fdir_fltr_cnt[flow][1] = 0; } + + fdir->fdir_fltr_cnt_total = 0; } /** @@ -1837,6 +1839,7 @@ ice_vc_add_fdir_fltr_post(struct ice_vf *vf, struct ice_vf_fdir_ctx *ctx, resp->status = status; resp->flow_id = conf->flow_id; vf->fdir.fdir_fltr_cnt[conf->input.flow_type][is_tun]++; + vf->fdir.fdir_fltr_cnt_total++; ret = ice_vc_send_msg_to_vf(vf, ctx->v_opcode, v_ret, (u8 *)resp, len); @@ -1901,6 +1904,7 @@ ice_vc_del_fdir_fltr_post(struct ice_vf *vf, struct ice_vf_fdir_ctx *ctx, resp->status = status; ice_vc_fdir_remove_entry(vf, conf, conf->flow_id); vf->fdir.fdir_fltr_cnt[conf->input.flow_type][is_tun]--; + vf->fdir.fdir_fltr_cnt_total--; ret = ice_vc_send_msg_to_vf(vf, ctx->v_opcode, v_ret, (u8 *)resp, len); @@ -2065,6 +2069,7 @@ int ice_vc_add_fdir_fltr(struct ice_vf *vf, u8 *msg) struct virtchnl_fdir_add *stat = NULL; struct virtchnl_fdir_fltr_conf *conf; enum virtchnl_status_code v_ret; + struct ice_vsi *vf_vsi; struct device *dev; struct ice_pf *pf; int is_tun = 0; @@ -2073,6 +2078,17 @@ int ice_vc_add_fdir_fltr(struct ice_vf *vf, u8 *msg) pf = vf->pf; dev = ice_pf_to_dev(pf); + vf_vsi = ice_get_vf_vsi(vf); + +#define ICE_VF_MAX_FDIR_FILTERS 128 + if (!ice_fdir_num_avail_fltr(&pf->hw, vf_vsi) || + vf->fdir.fdir_fltr_cnt_total >= ICE_VF_MAX_FDIR_FILTERS) { + v_ret = VIRTCHNL_STATUS_ERR_PARAM; + dev_err(dev, "Max number of FDIR filters for VF %d is reached\n", + vf->vf_id); + goto err_exit; + } + ret = ice_vc_fdir_param_check(vf, fltr->vsi_id); if (ret) { v_ret = VIRTCHNL_STATUS_ERR_PARAM; diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.h b/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.h index f4e629f4c0..6258af1ff0 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.h +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.h @@ -28,6 +28,7 @@ struct ice_vf_fdir_ctx { struct ice_vf_fdir { u16 fdir_fltr_cnt[ICE_FLTR_PTYPE_MAX][ICE_FD_HW_SEG_MAX]; int prof_entry_cnt[ICE_FLTR_PTYPE_MAX][ICE_FD_HW_SEG_MAX]; + u16 fdir_fltr_cnt_total; struct ice_fd_hw_prof **fdir_prof; struct idr fdir_rule_idr; diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 03a4da6a14..f3a433b4c7 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -34,6 +34,7 @@ #include #include #include +#include #ifdef CONFIG_IGB_DCA #include #endif @@ -2893,8 +2894,11 @@ static int igb_xdp(struct net_device *dev, struct netdev_bpf *xdp) } } +/* This function assumes __netif_tx_lock is held by the caller. */ static void igb_xdp_ring_update_tail(struct igb_ring *ring) { + lockdep_assert_held(&txring_txq(ring)->_xmit_lock); + /* Force memory writes to complete before letting h/w know there * are new descriptors to fetch. */ @@ -2979,11 +2983,11 @@ static int igb_xdp_xmit(struct net_device *dev, int n, nxmit++; } - __netif_tx_unlock(nq); - if (unlikely(flags & XDP_XMIT_FLUSH)) igb_xdp_ring_update_tail(tx_ring); + __netif_tx_unlock(nq); + return nxmit; } @@ -6799,10 +6803,20 @@ static void igb_extts(struct igb_adapter *adapter, int tsintr_tt) static void igb_tsync_interrupt(struct igb_adapter *adapter) { + const u32 mask = (TSINTR_SYS_WRAP | E1000_TSICR_TXTS | + TSINTR_TT0 | TSINTR_TT1 | + TSINTR_AUTT0 | TSINTR_AUTT1); struct e1000_hw *hw = &adapter->hw; u32 tsicr = rd32(E1000_TSICR); struct ptp_clock_event event; + if (hw->mac.type == e1000_82580) { + /* 82580 has a hardware bug that requires an explicit + * write to clear the TimeSync interrupt cause. + */ + wr32(E1000_TSICR, tsicr & mask); + } + if (tsicr & TSINTR_SYS_WRAP) { event.type = PTP_CLOCK_PPS; if (adapter->ptp_caps.pps) @@ -8693,12 +8707,14 @@ static void igb_put_rx_buffer(struct igb_ring *rx_ring, static int igb_clean_rx_irq(struct igb_q_vector *q_vector, const int budget) { + unsigned int total_bytes = 0, total_packets = 0; struct igb_adapter *adapter = q_vector->adapter; struct igb_ring *rx_ring = q_vector->rx.ring; - struct sk_buff *skb = rx_ring->skb; - unsigned int total_bytes = 0, total_packets = 0; u16 cleaned_count = igb_desc_unused(rx_ring); + struct sk_buff *skb = rx_ring->skb; + int cpu = smp_processor_id(); unsigned int xdp_xmit = 0; + struct netdev_queue *nq; struct xdp_buff xdp; u32 frame_sz = 0; int rx_buf_pgcnt; @@ -8825,7 +8841,10 @@ static int igb_clean_rx_irq(struct igb_q_vector *q_vector, const int budget) if (xdp_xmit & IGB_XDP_TX) { struct igb_ring *tx_ring = igb_xdp_tx_queue_mapping(adapter); + nq = txring_txq(tx_ring); + __netif_tx_lock(nq, cpu); igb_xdp_ring_update_tail(tx_ring); + __netif_tx_unlock(nq); } u64_stats_update_begin(&rx_ring->rx_syncp); @@ -9520,6 +9539,10 @@ static void igb_io_resume(struct pci_dev *pdev) struct igb_adapter *adapter = netdev_priv(netdev); if (netif_running(netdev)) { + if (!test_bit(__IGB_DOWN, &adapter->state)) { + dev_dbg(&pdev->dev, "Resuming from non-fatal error, do nothing.\n"); + return; + } if (igb_up(adapter)) { dev_err(&pdev->dev, "igb_up failed after reset\n"); return; diff --git a/drivers/net/ethernet/intel/igc/igc_base.c b/drivers/net/ethernet/intel/igc/igc_base.c index 84f142f5e4..be095c6531 100644 --- a/drivers/net/ethernet/intel/igc/igc_base.c +++ b/drivers/net/ethernet/intel/igc/igc_base.c @@ -402,6 +402,35 @@ void igc_rx_fifo_flush_base(struct igc_hw *hw) rd32(IGC_MPC); } +bool igc_is_device_id_i225(struct igc_hw *hw) +{ + switch (hw->device_id) { + case IGC_DEV_ID_I225_LM: + case IGC_DEV_ID_I225_V: + case IGC_DEV_ID_I225_I: + case IGC_DEV_ID_I225_K: + case IGC_DEV_ID_I225_K2: + case IGC_DEV_ID_I225_LMVP: + case IGC_DEV_ID_I225_IT: + return true; + default: + return false; + } +} + +bool igc_is_device_id_i226(struct igc_hw *hw) +{ + switch (hw->device_id) { + case IGC_DEV_ID_I226_LM: + case IGC_DEV_ID_I226_V: + case IGC_DEV_ID_I226_K: + case IGC_DEV_ID_I226_IT: + return true; + default: + return false; + } +} + static struct igc_mac_operations igc_mac_ops_base = { .init_hw = igc_init_hw_base, .check_for_link = igc_check_for_copper_link, diff --git a/drivers/net/ethernet/intel/igc/igc_base.h b/drivers/net/ethernet/intel/igc/igc_base.h index 52849f5e80..9f3827eda1 100644 --- a/drivers/net/ethernet/intel/igc/igc_base.h +++ b/drivers/net/ethernet/intel/igc/igc_base.h @@ -7,6 +7,8 @@ /* forward declaration */ void igc_rx_fifo_flush_base(struct igc_hw *hw); void igc_power_down_phy_copper_base(struct igc_hw *hw); +bool igc_is_device_id_i225(struct igc_hw *hw); +bool igc_is_device_id_i226(struct igc_hw *hw); /* Transmit Descriptor - Advanced */ union igc_adv_tx_desc { diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h index 703b62c5f7..d5acee2789 100644 --- a/drivers/net/ethernet/intel/igc/igc_defines.h +++ b/drivers/net/ethernet/intel/igc/igc_defines.h @@ -405,6 +405,21 @@ #define IGC_DTXMXPKTSZ_TSN 0x19 /* 1600 bytes of max TX DMA packet size */ #define IGC_DTXMXPKTSZ_DEFAULT 0x98 /* 9728-byte Jumbo frames */ +/* Retry Buffer Control */ +#define IGC_RETX_CTL 0x041C +#define IGC_RETX_CTL_WATERMARK_MASK 0xF +#define IGC_RETX_CTL_QBVFULLTH_SHIFT 8 /* QBV Retry Buffer Full Threshold */ +#define IGC_RETX_CTL_QBVFULLEN 0x1000 /* Enable QBV Retry Buffer Full Threshold */ + +/* Transmit Scheduling Latency */ +/* Latency between transmission scheduling (LaunchTime) and the time + * the packet is transmitted to the network in nanosecond. + */ +#define IGC_TXOFFSET_SPEED_10 0x000034BC +#define IGC_TXOFFSET_SPEED_100 0x00000578 +#define IGC_TXOFFSET_SPEED_1000 0x0000012C +#define IGC_TXOFFSET_SPEED_2500 0x00000578 + /* Time Sync Interrupt Causes */ #define IGC_TSICR_SYS_WRAP BIT(0) /* SYSTIM Wrap around. */ #define IGC_TSICR_TXTS BIT(1) /* Transmit Timestamp. */ @@ -518,6 +533,7 @@ /* Transmit Scheduling */ #define IGC_TQAVCTRL_TRANSMIT_MODE_TSN 0x00000001 #define IGC_TQAVCTRL_ENHANCED_QAV 0x00000008 +#define IGC_TQAVCTRL_FUTSCDDIS 0x00000080 #define IGC_TXQCTL_QUEUE_MODE_LAUNCHT 0x00000001 #define IGC_TXQCTL_STRICT_CYCLE 0x00000002 diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 6185566fbb..27c24bfc2d 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -5532,6 +5532,13 @@ static void igc_watchdog_task(struct work_struct *work) break; } + /* Once the launch time has been set on the wire, there + * is a delay before the link speed can be determined + * based on link-up activity. Write into the register + * as soon as we know the correct link speed. + */ + igc_tsn_adjust_txtime_offset(adapter); + if (adapter->link_speed != SPEED_1000) goto no_wait; @@ -5984,6 +5991,7 @@ static bool validate_schedule(struct igc_adapter *adapter, const struct tc_taprio_qopt_offload *qopt) { int queue_uses[IGC_MAX_TX_QUEUES] = { }; + struct igc_hw *hw = &adapter->hw; struct timespec64 now; size_t n; @@ -5996,8 +6004,10 @@ static bool validate_schedule(struct igc_adapter *adapter, * in the future, it will hold all the packets until that * time, causing a lot of TX Hangs, so to avoid that, we * reject schedules that would start in the future. + * Note: Limitation above is no longer in i226. */ - if (!is_base_time_past(qopt->base_time, &now)) + if (!is_base_time_past(qopt->base_time, &now) && + igc_is_device_id_i225(hw)) return false; for (n = 0; n < qopt->num_entries; n++) { @@ -7047,6 +7057,7 @@ static void igc_io_resume(struct pci_dev *pdev) rtnl_lock(); if (netif_running(netdev)) { if (igc_open(netdev)) { + rtnl_unlock(); netdev_err(netdev, "igc_open failed after reset\n"); return; } diff --git a/drivers/net/ethernet/intel/igc/igc_regs.h b/drivers/net/ethernet/intel/igc/igc_regs.h index 026c3b65fc..0e9c1298f3 100644 --- a/drivers/net/ethernet/intel/igc/igc_regs.h +++ b/drivers/net/ethernet/intel/igc/igc_regs.h @@ -227,6 +227,7 @@ /* Transmit Scheduling Registers */ #define IGC_TQAVCTRL 0x3570 #define IGC_TXQCTL(_n) (0x3344 + 0x4 * (_n)) +#define IGC_GTXOFFSET 0x3310 #define IGC_BASET_L 0x3314 #define IGC_BASET_H 0x3318 #define IGC_QBVCYCLET 0x331C diff --git a/drivers/net/ethernet/intel/igc/igc_tsn.c b/drivers/net/ethernet/intel/igc/igc_tsn.c index 2330b1ff91..27ce2f7dfe 100644 --- a/drivers/net/ethernet/intel/igc/igc_tsn.c +++ b/drivers/net/ethernet/intel/igc/igc_tsn.c @@ -2,6 +2,7 @@ /* Copyright (c) 2019 Intel Corporation */ #include "igc.h" +#include "igc_hw.h" #include "igc_tsn.h" static bool is_any_launchtime(struct igc_adapter *adapter) @@ -48,6 +49,51 @@ static unsigned int igc_tsn_new_flags(struct igc_adapter *adapter) return new_flags; } +static bool igc_tsn_is_tx_mode_in_tsn(struct igc_adapter *adapter) +{ + struct igc_hw *hw = &adapter->hw; + + return !!(rd32(IGC_TQAVCTRL) & IGC_TQAVCTRL_TRANSMIT_MODE_TSN); +} + +void igc_tsn_adjust_txtime_offset(struct igc_adapter *adapter) +{ + struct igc_hw *hw = &adapter->hw; + u16 txoffset; + + if (!igc_tsn_is_tx_mode_in_tsn(adapter)) + return; + + switch (adapter->link_speed) { + case SPEED_10: + txoffset = IGC_TXOFFSET_SPEED_10; + break; + case SPEED_100: + txoffset = IGC_TXOFFSET_SPEED_100; + break; + case SPEED_1000: + txoffset = IGC_TXOFFSET_SPEED_1000; + break; + case SPEED_2500: + txoffset = IGC_TXOFFSET_SPEED_2500; + break; + default: + txoffset = 0; + break; + } + + wr32(IGC_GTXOFFSET, txoffset); +} + +static void igc_tsn_restore_retx_default(struct igc_adapter *adapter) +{ + struct igc_hw *hw = &adapter->hw; + u32 retxctl; + + retxctl = rd32(IGC_RETX_CTL) & IGC_RETX_CTL_WATERMARK_MASK; + wr32(IGC_RETX_CTL, retxctl); +} + /* Returns the TSN specific registers to their default values after * the adapter is reset. */ @@ -57,12 +103,17 @@ static int igc_tsn_disable_offload(struct igc_adapter *adapter) u32 tqavctrl; int i; + wr32(IGC_GTXOFFSET, 0); wr32(IGC_TXPBS, I225_TXPBSIZE_DEFAULT); wr32(IGC_DTXMXPKTSZ, IGC_DTXMXPKTSZ_DEFAULT); + if (igc_is_device_id_i226(hw)) + igc_tsn_restore_retx_default(adapter); + tqavctrl = rd32(IGC_TQAVCTRL); tqavctrl &= ~(IGC_TQAVCTRL_TRANSMIT_MODE_TSN | - IGC_TQAVCTRL_ENHANCED_QAV); + IGC_TQAVCTRL_ENHANCED_QAV | IGC_TQAVCTRL_FUTSCDDIS); + wr32(IGC_TQAVCTRL, tqavctrl); for (i = 0; i < adapter->num_tx_queues; i++) { @@ -79,6 +130,25 @@ static int igc_tsn_disable_offload(struct igc_adapter *adapter) return 0; } +/* To partially fix i226 HW errata, reduce MAC internal buffering from 192 Bytes + * to 88 Bytes by setting RETX_CTL register using the recommendation from: + * a) Ethernet Controller I225/I226 Specification Update Rev 2.1 + * Item 9: TSN: Packet Transmission Might Cross the Qbv Window + * b) I225/6 SW User Manual Rev 1.2.4: Section 8.11.5 Retry Buffer Control + */ +static void igc_tsn_set_retx_qbvfullthreshold(struct igc_adapter *adapter) +{ + struct igc_hw *hw = &adapter->hw; + u32 retxctl, watermark; + + retxctl = rd32(IGC_RETX_CTL); + watermark = retxctl & IGC_RETX_CTL_WATERMARK_MASK; + /* Set QBVFULLTH value using watermark and set QBVFULLEN */ + retxctl |= (watermark << IGC_RETX_CTL_QBVFULLTH_SHIFT) | + IGC_RETX_CTL_QBVFULLEN; + wr32(IGC_RETX_CTL, retxctl); +} + static int igc_tsn_enable_offload(struct igc_adapter *adapter) { struct igc_hw *hw = &adapter->hw; @@ -87,19 +157,12 @@ static int igc_tsn_enable_offload(struct igc_adapter *adapter) ktime_t base_time, systim; int i; - cycle = adapter->cycle_time; - base_time = adapter->base_time; - wr32(IGC_TSAUXC, 0); wr32(IGC_DTXMXPKTSZ, IGC_DTXMXPKTSZ_TSN); wr32(IGC_TXPBS, IGC_TXPBSIZE_TSN); - tqavctrl = rd32(IGC_TQAVCTRL); - tqavctrl |= IGC_TQAVCTRL_TRANSMIT_MODE_TSN | IGC_TQAVCTRL_ENHANCED_QAV; - wr32(IGC_TQAVCTRL, tqavctrl); - - wr32(IGC_QBVCYCLET_S, cycle); - wr32(IGC_QBVCYCLET, cycle); + if (igc_is_device_id_i226(hw)) + igc_tsn_set_retx_qbvfullthreshold(adapter); for (i = 0; i < adapter->num_tx_queues; i++) { struct igc_ring *ring = adapter->tx_ring[i]; @@ -203,21 +266,43 @@ static int igc_tsn_enable_offload(struct igc_adapter *adapter) wr32(IGC_TXQCTL(i), txqctl); } + tqavctrl = rd32(IGC_TQAVCTRL); + tqavctrl |= IGC_TQAVCTRL_TRANSMIT_MODE_TSN | IGC_TQAVCTRL_ENHANCED_QAV; + + cycle = adapter->cycle_time; + base_time = adapter->base_time; + nsec = rd32(IGC_SYSTIML); sec = rd32(IGC_SYSTIMH); systim = ktime_set(sec, nsec); - if (ktime_compare(systim, base_time) > 0) { - s64 n; + s64 n = div64_s64(ktime_sub_ns(systim, base_time), cycle); - n = div64_s64(ktime_sub_ns(systim, base_time), cycle); base_time = ktime_add_ns(base_time, (n + 1) * cycle); + } else { + /* According to datasheet section 7.5.2.9.3.3, FutScdDis bit + * has to be configured before the cycle time and base time. + */ + if (igc_is_device_id_i226(hw)) + tqavctrl |= IGC_TQAVCTRL_FUTSCDDIS; } - baset_h = div_s64_rem(base_time, NSEC_PER_SEC, &baset_l); + wr32(IGC_TQAVCTRL, tqavctrl); + wr32(IGC_QBVCYCLET_S, cycle); + wr32(IGC_QBVCYCLET, cycle); + + baset_h = div_s64_rem(base_time, NSEC_PER_SEC, &baset_l); wr32(IGC_BASET_H, baset_h); + + /* In i226, Future base time is only supported when FutScdDis bit + * is enabled and only active for re-configuration. + * In this case, initialize the base time with zero to create + * "re-configuration" scenario then only set the desired base time. + */ + if (tqavctrl & IGC_TQAVCTRL_FUTSCDDIS) + wr32(IGC_BASET_L, 0); wr32(IGC_BASET_L, baset_l); return 0; diff --git a/drivers/net/ethernet/intel/igc/igc_tsn.h b/drivers/net/ethernet/intel/igc/igc_tsn.h index 1512307f5a..b53e6af560 100644 --- a/drivers/net/ethernet/intel/igc/igc_tsn.h +++ b/drivers/net/ethernet/intel/igc/igc_tsn.h @@ -6,5 +6,6 @@ int igc_tsn_offload_apply(struct igc_adapter *adapter); int igc_tsn_reset(struct igc_adapter *adapter); +void igc_tsn_adjust_txtime_offset(struct igc_adapter *adapter); #endif /* _IGC_BASE_H */ diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c index 1bdc4f23e1..0689099366 100644 --- a/drivers/net/ethernet/jme.c +++ b/drivers/net/ethernet/jme.c @@ -945,15 +945,13 @@ jme_udpsum(struct sk_buff *skb) if (skb->protocol != htons(ETH_P_IP)) return csum; skb_set_network_header(skb, ETH_HLEN); - if ((ip_hdr(skb)->protocol != IPPROTO_UDP) || - (skb->len < (ETH_HLEN + - (ip_hdr(skb)->ihl << 2) + - sizeof(struct udphdr)))) { + + if (ip_hdr(skb)->protocol != IPPROTO_UDP || + skb->len < (ETH_HLEN + ip_hdrlen(skb) + sizeof(struct udphdr))) { skb_reset_network_header(skb); return csum; } - skb_set_transport_header(skb, - ETH_HLEN + (ip_hdr(skb)->ihl << 2)); + skb_set_transport_header(skb, ETH_HLEN + ip_hdrlen(skb)); csum = udp_hdr(skb)->check; skb_reset_transport_header(skb); skb_reset_network_header(skb); diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c index 057d655d17..45a17422a9 100644 --- a/drivers/net/ethernet/lantiq_etop.c +++ b/drivers/net/ethernet/lantiq_etop.c @@ -213,8 +213,9 @@ ltq_etop_free_channel(struct net_device *dev, struct ltq_etop_chan *ch) if (ch->dma.irq) free_irq(ch->dma.irq, priv); if (IS_RX(ch->idx)) { - int desc; - for (desc = 0; desc < LTQ_DESC_NUM; desc++) + struct ltq_dma_channel *dma = &ch->dma; + + for (dma->desc = 0; dma->desc < LTQ_DESC_NUM; dma->desc++) dev_kfree_skb_any(ch->skb[ch->dma.desc]); } } @@ -463,7 +464,9 @@ ltq_etop_tx(struct sk_buff *skb, struct net_device *dev) unsigned long flags; u32 byte_offset; - len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len; + if (skb_put_padto(skb, ETH_ZLEN)) + return NETDEV_TX_OK; + len = skb->len; if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) || ch->skb[ch->dma.desc]) { netdev_err(dev, "tx ring full\n"); diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index 72608a47d4..24a8c9b812 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -1088,7 +1088,7 @@ struct mvpp2 { unsigned int max_port_rxqs; /* Workqueue to gather hardware statistics */ - char queue_name[30]; + char queue_name[31]; struct workqueue_struct *stats_queue; /* Debugfs root entry */ diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index ba44d1d9cf..2a60f949d9 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -953,13 +953,13 @@ static void mvpp2_bm_pool_update_fc(struct mvpp2_port *port, static void mvpp2_bm_pool_update_priv_fc(struct mvpp2 *priv, bool en) { struct mvpp2_port *port; - int i; + int i, j; for (i = 0; i < priv->port_count; i++) { port = priv->port_list[i]; if (port->priv->percpu_pools) { - for (i = 0; i < port->nrxqs; i++) - mvpp2_bm_pool_update_fc(port, &port->priv->bm_pools[i], + for (j = 0; j < port->nrxqs; j++) + mvpp2_bm_pool_update_fc(port, &port->priv->bm_pools[j], port->tx_fc & en); } else { mvpp2_bm_pool_update_fc(port, port->pool_long, port->tx_fc & en); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h index 2b6cbd5af1..fafdf36ad5 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h @@ -974,6 +974,8 @@ struct nix_vtag_config_rsp { */ }; +#define NIX_FLOW_KEY_TYPE_L3_L4_MASK (~(0xf << 28)) + struct nix_rss_flowkey_cfg { struct mbox_msghdr hdr; int mcam_index; /* MCAM entry index to modify */ @@ -999,6 +1001,10 @@ struct nix_rss_flowkey_cfg { #define NIX_FLOW_KEY_TYPE_IPV4_PROTO BIT(21) #define NIX_FLOW_KEY_TYPE_AH BIT(22) #define NIX_FLOW_KEY_TYPE_ESP BIT(23) +#define NIX_FLOW_KEY_TYPE_L4_DST_ONLY BIT(28) +#define NIX_FLOW_KEY_TYPE_L4_SRC_ONLY BIT(29) +#define NIX_FLOW_KEY_TYPE_L3_DST_ONLY BIT(30) +#define NIX_FLOW_KEY_TYPE_L3_SRC_ONLY BIT(31) u32 flowkey_cfg; /* Flowkey types selected */ u8 group; /* RSS context or group */ }; @@ -1442,7 +1448,9 @@ struct cpt_lf_alloc_req_msg { u16 nix_pf_func; u16 sso_pf_func; u16 eng_grpmsk; - int blkaddr; + u8 blkaddr; + u8 ctx_ilen_valid : 1; + u8 ctx_ilen : 7; }; /* Mailbox message request and response format for CPT stats. */ diff --git a/drivers/net/ethernet/marvell/octeontx2/af/npc.h b/drivers/net/ethernet/marvell/octeontx2/af/npc.h index 0f88efe39e..bac083c5c2 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/npc.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/npc.h @@ -56,8 +56,13 @@ enum npc_kpu_lb_ltype { NPC_LT_LB_CUSTOM1 = 0xF, }; +/* Don't modify ltypes up to IP6_EXT, otherwise length and checksum of IP + * headers may not be checked correctly. IPv4 ltypes and IPv6 ltypes must + * differ only at bit 0 so mask 0xE can be used to detect extended headers. + */ enum npc_kpu_lc_ltype { - NPC_LT_LC_IP = 1, + NPC_LT_LC_PTP = 1, + NPC_LT_LC_IP, NPC_LT_LC_IP_OPT, NPC_LT_LC_IP6, NPC_LT_LC_IP6_EXT, @@ -65,7 +70,6 @@ enum npc_kpu_lc_ltype { NPC_LT_LC_RARP, NPC_LT_LC_MPLS, NPC_LT_LC_NSH, - NPC_LT_LC_PTP, NPC_LT_LC_FCOE, NPC_LT_LC_NGIO, NPC_LT_LC_CUSTOM0 = 0xE, diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c index bac42e0065..bc8187e3f3 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c @@ -1553,7 +1553,7 @@ static int rvu_check_rsrc_availability(struct rvu *rvu, if (req->ssow > block->lf.max) { dev_err(&rvu->pdev->dev, "Func 0x%x: Invalid SSOW req, %d > max %d\n", - pcifunc, req->sso, block->lf.max); + pcifunc, req->ssow, block->lf.max); return -EINVAL; } mappedlfs = rvu_get_rsrc_mapcount(pfvf, block->addr); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h index b4be1b597f..66bb222235 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h @@ -277,6 +277,21 @@ struct nix_mark_format { u32 *cfg; }; +/* smq(flush) to tl1 cir/pir info */ +struct nix_smq_tree_ctx { + u16 schq; + u64 cir_off; + u64 cir_val; + u64 pir_off; + u64 pir_val; +}; + +/* smq flush context */ +struct nix_smq_flush_ctx { + int smq; + struct nix_smq_tree_ctx smq_tree_ctx[NIX_TXSCH_LVL_CNT]; +}; + struct npc_pkind { struct rsrc_bmap rsrc; u32 *pfchan_map; diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c index 4895faa667..19296e2cfe 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c @@ -17,7 +17,7 @@ #define PCI_DEVID_OTX2_CPT10K_PF 0xA0F2 /* Length of initial context fetch in 128 byte words */ -#define CPT_CTX_ILEN 2 +#define CPT_CTX_ILEN 1ULL #define cpt_get_eng_sts(e_min, e_max, rsp, etype) \ ({ \ @@ -142,8 +142,12 @@ int rvu_mbox_handler_cpt_lf_alloc(struct rvu *rvu, /* Set CPT LF group and priority */ val = (u64)req->eng_grpmsk << 48 | 1; - if (!is_rvu_otx2(rvu)) - val |= (CPT_CTX_ILEN << 17); + if (!is_rvu_otx2(rvu)) { + if (req->ctx_ilen_valid) + val |= (req->ctx_ilen << 17); + else + val |= (CPT_CTX_ILEN << 17); + } rvu_write64(rvu, blkaddr, CPT_AF_LFX_CTL(cptlf), val); @@ -260,7 +264,8 @@ int rvu_mbox_handler_cpt_rd_wr_register(struct rvu *rvu, struct cpt_rd_wr_reg_msg *req, struct cpt_rd_wr_reg_msg *rsp) { - int blkaddr; + u64 offset = req->reg_offset; + int blkaddr, lf; blkaddr = validate_and_get_cpt_blkaddr(req->blkaddr); if (blkaddr < 0) @@ -271,17 +276,25 @@ int rvu_mbox_handler_cpt_rd_wr_register(struct rvu *rvu, !is_cpt_vf(rvu, req->hdr.pcifunc)) return CPT_AF_ERR_ACCESS_DENIED; - rsp->reg_offset = req->reg_offset; - rsp->ret_val = req->ret_val; - rsp->is_write = req->is_write; - if (!is_valid_offset(rvu, req)) return CPT_AF_ERR_ACCESS_DENIED; + /* Translate local LF used by VFs to global CPT LF */ + lf = rvu_get_lf(rvu, &rvu->hw->block[blkaddr], req->hdr.pcifunc, + (offset & 0xFFF) >> 3); + + /* Translate local LF's offset to global CPT LF's offset */ + offset &= 0xFF000; + offset += lf << 3; + + rsp->reg_offset = offset; + rsp->ret_val = req->ret_val; + rsp->is_write = req->is_write; + if (req->is_write) - rvu_write64(rvu, blkaddr, req->reg_offset, req->val); + rvu_write64(rvu, blkaddr, offset, req->val); else - rsp->val = rvu_read64(rvu, blkaddr, req->reg_offset); + rsp->val = rvu_read64(rvu, blkaddr, offset); return 0; } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index 34a9a9164f..8bdde74b34 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -2081,13 +2081,127 @@ int rvu_mbox_handler_nix_txsch_alloc(struct rvu *rvu, return rc; } +static void nix_smq_flush_fill_ctx(struct rvu *rvu, int blkaddr, int smq, + struct nix_smq_flush_ctx *smq_flush_ctx) +{ + struct nix_smq_tree_ctx *smq_tree_ctx; + u64 parent_off, regval; + u16 schq; + int lvl; + + smq_flush_ctx->smq = smq; + + schq = smq; + for (lvl = NIX_TXSCH_LVL_SMQ; lvl <= NIX_TXSCH_LVL_TL1; lvl++) { + smq_tree_ctx = &smq_flush_ctx->smq_tree_ctx[lvl]; + smq_tree_ctx->schq = schq; + if (lvl == NIX_TXSCH_LVL_TL1) { + smq_tree_ctx->cir_off = NIX_AF_TL1X_CIR(schq); + smq_tree_ctx->pir_off = 0; + smq_tree_ctx->pir_val = 0; + parent_off = 0; + } else if (lvl == NIX_TXSCH_LVL_TL2) { + smq_tree_ctx->cir_off = NIX_AF_TL2X_CIR(schq); + smq_tree_ctx->pir_off = NIX_AF_TL2X_PIR(schq); + parent_off = NIX_AF_TL2X_PARENT(schq); + } else if (lvl == NIX_TXSCH_LVL_TL3) { + smq_tree_ctx->cir_off = NIX_AF_TL3X_CIR(schq); + smq_tree_ctx->pir_off = NIX_AF_TL3X_PIR(schq); + parent_off = NIX_AF_TL3X_PARENT(schq); + } else if (lvl == NIX_TXSCH_LVL_TL4) { + smq_tree_ctx->cir_off = NIX_AF_TL4X_CIR(schq); + smq_tree_ctx->pir_off = NIX_AF_TL4X_PIR(schq); + parent_off = NIX_AF_TL4X_PARENT(schq); + } else if (lvl == NIX_TXSCH_LVL_MDQ) { + smq_tree_ctx->cir_off = NIX_AF_MDQX_CIR(schq); + smq_tree_ctx->pir_off = NIX_AF_MDQX_PIR(schq); + parent_off = NIX_AF_MDQX_PARENT(schq); + } + /* save cir/pir register values */ + smq_tree_ctx->cir_val = rvu_read64(rvu, blkaddr, smq_tree_ctx->cir_off); + if (smq_tree_ctx->pir_off) + smq_tree_ctx->pir_val = rvu_read64(rvu, blkaddr, smq_tree_ctx->pir_off); + + /* get parent txsch node */ + if (parent_off) { + regval = rvu_read64(rvu, blkaddr, parent_off); + schq = (regval >> 16) & 0x1FF; + } + } +} + +static void nix_smq_flush_enadis_xoff(struct rvu *rvu, int blkaddr, + struct nix_smq_flush_ctx *smq_flush_ctx, bool enable) +{ + struct nix_txsch *txsch; + struct nix_hw *nix_hw; + int tl2, tl2_schq; + u64 regoff; + + nix_hw = get_nix_hw(rvu->hw, blkaddr); + if (!nix_hw) + return; + + /* loop through all TL2s with matching PF_FUNC */ + txsch = &nix_hw->txsch[NIX_TXSCH_LVL_TL2]; + tl2_schq = smq_flush_ctx->smq_tree_ctx[NIX_TXSCH_LVL_TL2].schq; + for (tl2 = 0; tl2 < txsch->schq.max; tl2++) { + /* skip the smq(flush) TL2 */ + if (tl2 == tl2_schq) + continue; + /* skip unused TL2s */ + if (TXSCH_MAP_FLAGS(txsch->pfvf_map[tl2]) & NIX_TXSCHQ_FREE) + continue; + /* skip if PF_FUNC doesn't match */ + if ((TXSCH_MAP_FUNC(txsch->pfvf_map[tl2]) & ~RVU_PFVF_FUNC_MASK) != + (TXSCH_MAP_FUNC(txsch->pfvf_map[tl2_schq] & + ~RVU_PFVF_FUNC_MASK))) + continue; + /* enable/disable XOFF */ + regoff = NIX_AF_TL2X_SW_XOFF(tl2); + if (enable) + rvu_write64(rvu, blkaddr, regoff, 0x1); + else + rvu_write64(rvu, blkaddr, regoff, 0x0); + } +} + +static void nix_smq_flush_enadis_rate(struct rvu *rvu, int blkaddr, + struct nix_smq_flush_ctx *smq_flush_ctx, bool enable) +{ + u64 cir_off, pir_off, cir_val, pir_val; + struct nix_smq_tree_ctx *smq_tree_ctx; + int lvl; + + for (lvl = NIX_TXSCH_LVL_SMQ; lvl <= NIX_TXSCH_LVL_TL1; lvl++) { + smq_tree_ctx = &smq_flush_ctx->smq_tree_ctx[lvl]; + cir_off = smq_tree_ctx->cir_off; + cir_val = smq_tree_ctx->cir_val; + pir_off = smq_tree_ctx->pir_off; + pir_val = smq_tree_ctx->pir_val; + + if (enable) { + rvu_write64(rvu, blkaddr, cir_off, cir_val); + if (lvl != NIX_TXSCH_LVL_TL1) + rvu_write64(rvu, blkaddr, pir_off, pir_val); + } else { + rvu_write64(rvu, blkaddr, cir_off, 0x0); + if (lvl != NIX_TXSCH_LVL_TL1) + rvu_write64(rvu, blkaddr, pir_off, 0x0); + } + } +} + static int nix_smq_flush(struct rvu *rvu, int blkaddr, int smq, u16 pcifunc, int nixlf) { + struct nix_smq_flush_ctx *smq_flush_ctx; + int err, restore_tx_en = 0, i; int pf = rvu_get_pf(pcifunc); u8 cgx_id = 0, lmac_id = 0; - int err, restore_tx_en = 0; - u64 cfg; + u16 tl2_tl3_link_schq; + u8 link, link_level; + u64 cfg, bmap = 0; /* enable cgx tx if disabled */ if (is_pf_cgxmapped(rvu, pf)) { @@ -2096,22 +2210,69 @@ static int nix_smq_flush(struct rvu *rvu, int blkaddr, lmac_id, true); } - cfg = rvu_read64(rvu, blkaddr, NIX_AF_SMQX_CFG(smq)); - /* Do SMQ flush and set enqueue xoff */ - cfg |= BIT_ULL(50) | BIT_ULL(49); - rvu_write64(rvu, blkaddr, NIX_AF_SMQX_CFG(smq), cfg); + /* XOFF all TL2s whose parent TL1 matches SMQ tree TL1 */ + smq_flush_ctx = kzalloc(sizeof(*smq_flush_ctx), GFP_KERNEL); + if (!smq_flush_ctx) + return -ENOMEM; + nix_smq_flush_fill_ctx(rvu, blkaddr, smq, smq_flush_ctx); + nix_smq_flush_enadis_xoff(rvu, blkaddr, smq_flush_ctx, true); + nix_smq_flush_enadis_rate(rvu, blkaddr, smq_flush_ctx, false); /* Disable backpressure from physical link, * otherwise SMQ flush may stall. */ rvu_cgx_enadis_rx_bp(rvu, pf, false); + link_level = rvu_read64(rvu, blkaddr, NIX_AF_PSE_CHANNEL_LEVEL) & 0x01 ? + NIX_TXSCH_LVL_TL3 : NIX_TXSCH_LVL_TL2; + tl2_tl3_link_schq = smq_flush_ctx->smq_tree_ctx[link_level].schq; + link = smq_flush_ctx->smq_tree_ctx[NIX_TXSCH_LVL_TL1].schq; + + /* SMQ set enqueue xoff */ + cfg = rvu_read64(rvu, blkaddr, NIX_AF_SMQX_CFG(smq)); + cfg |= BIT_ULL(50); + rvu_write64(rvu, blkaddr, NIX_AF_SMQX_CFG(smq), cfg); + + /* Clear all NIX_AF_TL3_TL2_LINK_CFG[ENA] for the TL3/TL2 queue */ + for (i = 0; i < (rvu->hw->cgx_links + rvu->hw->lbk_links); i++) { + cfg = rvu_read64(rvu, blkaddr, + NIX_AF_TL3_TL2X_LINKX_CFG(tl2_tl3_link_schq, link)); + if (!(cfg & BIT_ULL(12))) + continue; + bmap |= BIT_ULL(i); + cfg &= ~BIT_ULL(12); + rvu_write64(rvu, blkaddr, + NIX_AF_TL3_TL2X_LINKX_CFG(tl2_tl3_link_schq, link), cfg); + } + + /* Do SMQ flush and set enqueue xoff */ + cfg = rvu_read64(rvu, blkaddr, NIX_AF_SMQX_CFG(smq)); + cfg |= BIT_ULL(50) | BIT_ULL(49); + rvu_write64(rvu, blkaddr, NIX_AF_SMQX_CFG(smq), cfg); + /* Wait for flush to complete */ err = rvu_poll_reg(rvu, blkaddr, NIX_AF_SMQX_CFG(smq), BIT_ULL(49), true); if (err) - dev_err(rvu->dev, - "NIXLF%d: SMQ%d flush failed\n", nixlf, smq); + dev_info(rvu->dev, + "NIXLF%d: SMQ%d flush failed, txlink might be busy\n", + nixlf, smq); + + /* Set NIX_AF_TL3_TL2_LINKX_CFG[ENA] for the TL3/TL2 queue */ + for (i = 0; i < (rvu->hw->cgx_links + rvu->hw->lbk_links); i++) { + if (!(bmap & BIT_ULL(i))) + continue; + cfg = rvu_read64(rvu, blkaddr, + NIX_AF_TL3_TL2X_LINKX_CFG(tl2_tl3_link_schq, link)); + cfg |= BIT_ULL(12); + rvu_write64(rvu, blkaddr, + NIX_AF_TL3_TL2X_LINKX_CFG(tl2_tl3_link_schq, link), cfg); + } + + /* clear XOFF on TL2s */ + nix_smq_flush_enadis_rate(rvu, blkaddr, smq_flush_ctx, true); + nix_smq_flush_enadis_xoff(rvu, blkaddr, smq_flush_ctx, false); + kfree(smq_flush_ctx); rvu_cgx_enadis_rx_bp(rvu, pf, true); /* restore cgx tx state */ @@ -3307,6 +3468,11 @@ static int get_flowkey_alg_idx(struct nix_hw *nix_hw, u32 flow_cfg) return -ERANGE; } +/* Mask to match ipv6(NPC_LT_LC_IP6) and ipv6 ext(NPC_LT_LC_IP6_EXT) */ +#define NPC_LT_LC_IP6_MATCH_MSK ((~(NPC_LT_LC_IP6 ^ NPC_LT_LC_IP6_EXT)) & 0xf) +/* Mask to match both ipv4(NPC_LT_LC_IP) and ipv4 ext(NPC_LT_LC_IP_OPT) */ +#define NPC_LT_LC_IP_MATCH_MSK ((~(NPC_LT_LC_IP ^ NPC_LT_LC_IP_OPT)) & 0xf) + static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg) { int idx, nr_field, key_off, field_marker, keyoff_marker; @@ -3314,6 +3480,7 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg) struct nix_rx_flowkey_alg *field; struct nix_rx_flowkey_alg tmp; u32 key_type, valid_key; + u32 l3_l4_src_dst; int l4_key_offset = 0; if (!alg) @@ -3341,6 +3508,15 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg) * group_member - Enabled when protocol is part of a group. */ + /* Last 4 bits (31:28) are reserved to specify SRC, DST + * selection for L3, L4 i.e IPV[4,6]_SRC, IPV[4,6]_DST, + * [TCP,UDP,SCTP]_SRC, [TCP,UDP,SCTP]_DST + * 31 => L3_SRC, 30 => L3_DST, 29 => L4_SRC, 28 => L4_DST + */ + l3_l4_src_dst = flow_cfg; + /* Reset these 4 bits, so that these won't be part of key */ + flow_cfg &= NIX_FLOW_KEY_TYPE_L3_L4_MASK; + keyoff_marker = 0; max_key_off = 0; group_member = 0; nr_field = 0; key_off = 0; field_marker = 1; field = &tmp; max_bit_pos = fls(flow_cfg); @@ -3366,7 +3542,7 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg) field->hdr_offset = 9; /* offset */ field->bytesm1 = 0; /* 1 byte */ field->ltype_match = NPC_LT_LC_IP; - field->ltype_mask = 0xF; + field->ltype_mask = NPC_LT_LC_IP_MATCH_MSK; break; case NIX_FLOW_KEY_TYPE_IPV4: case NIX_FLOW_KEY_TYPE_INNR_IPV4: @@ -3378,7 +3554,22 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg) } field->hdr_offset = 12; /* SIP offset */ field->bytesm1 = 7; /* SIP + DIP, 8 bytes */ - field->ltype_mask = 0xF; /* Match only IPv4 */ + + /* Only SIP */ + if (l3_l4_src_dst & NIX_FLOW_KEY_TYPE_L3_SRC_ONLY) + field->bytesm1 = 3; /* SIP, 4 bytes */ + + if (l3_l4_src_dst & NIX_FLOW_KEY_TYPE_L3_DST_ONLY) { + /* Both SIP + DIP */ + if (field->bytesm1 == 3) { + field->bytesm1 = 7; /* SIP + DIP, 8B */ + } else { + /* Only DIP */ + field->hdr_offset = 16; /* DIP off */ + field->bytesm1 = 3; /* DIP, 4 bytes */ + } + } + field->ltype_mask = NPC_LT_LC_IP_MATCH_MSK; keyoff_marker = false; break; case NIX_FLOW_KEY_TYPE_IPV6: @@ -3391,7 +3582,23 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg) } field->hdr_offset = 8; /* SIP offset */ field->bytesm1 = 31; /* SIP + DIP, 32 bytes */ - field->ltype_mask = 0xF; /* Match only IPv6 */ + + /* Only SIP */ + if (l3_l4_src_dst & NIX_FLOW_KEY_TYPE_L3_SRC_ONLY) + field->bytesm1 = 15; /* SIP, 16 bytes */ + + if (l3_l4_src_dst & NIX_FLOW_KEY_TYPE_L3_DST_ONLY) { + /* Both SIP + DIP */ + if (field->bytesm1 == 15) { + /* SIP + DIP, 32 bytes */ + field->bytesm1 = 31; + } else { + /* Only DIP */ + field->hdr_offset = 24; /* DIP off */ + field->bytesm1 = 15; /* DIP,16 bytes */ + } + } + field->ltype_mask = NPC_LT_LC_IP6_MATCH_MSK; break; case NIX_FLOW_KEY_TYPE_TCP: case NIX_FLOW_KEY_TYPE_UDP: @@ -3406,6 +3613,21 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg) field->lid = NPC_LID_LH; field->bytesm1 = 3; /* Sport + Dport, 4 bytes */ + if (l3_l4_src_dst & NIX_FLOW_KEY_TYPE_L4_SRC_ONLY) + field->bytesm1 = 1; /* SRC, 2 bytes */ + + if (l3_l4_src_dst & NIX_FLOW_KEY_TYPE_L4_DST_ONLY) { + /* Both SRC + DST */ + if (field->bytesm1 == 1) { + /* SRC + DST, 4 bytes */ + field->bytesm1 = 3; + } else { + /* Only DIP */ + field->hdr_offset = 2; /* DST off */ + field->bytesm1 = 1; /* DST, 2 bytes */ + } + } + /* Enum values for NPC_LID_LD and NPC_LID_LG are same, * so no need to change the ltype_match, just change * the lid for inner protocols diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c index c6b6d709e5..84003243e3 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -2459,7 +2459,17 @@ static int npc_mcam_alloc_entries(struct npc_mcam *mcam, u16 pcifunc, * - when available free entries are less. * Lower priority ones out of avaialble free entries are always * chosen when 'high vs low' question arises. + * + * For a VF base MCAM match rule is set by its PF. And all the + * further MCAM rules installed by VF on its own are + * concatenated with the base rule set by its PF. Hence PF entries + * should be at lower priority compared to VF entries. Otherwise + * base rule is hit always and rules installed by VF will be of + * no use. Hence if the request is from PF then allocate low + * priority entries. */ + if (!(pcifunc & RVU_PFVF_FUNC_MASK)) + goto lprio_alloc; /* Get the search range for priority allocation request */ if (req->priority) { @@ -2468,17 +2478,6 @@ static int npc_mcam_alloc_entries(struct npc_mcam *mcam, u16 pcifunc, goto alloc; } - /* For a VF base MCAM match rule is set by its PF. And all the - * further MCAM rules installed by VF on its own are - * concatenated with the base rule set by its PF. Hence PF entries - * should be at lower priority compared to VF entries. Otherwise - * base rule is hit always and rules installed by VF will be of - * no use. Hence if the request is from PF and NOT a priority - * allocation request then allocate low priority entries. - */ - if (!(pcifunc & RVU_PFVF_FUNC_MASK)) - goto lprio_alloc; - /* Find out the search range for non-priority allocation request * * Get MCAM free entry count in middle zone. @@ -2508,6 +2507,18 @@ static int npc_mcam_alloc_entries(struct npc_mcam *mcam, u16 pcifunc, reverse = true; start = 0; end = mcam->bmap_entries; + /* Ensure PF requests are always at bottom and if PF requests + * for higher/lower priority entry wrt reference entry then + * honour that criteria and start search for entries from bottom + * and not in mid zone. + */ + if (!(pcifunc & RVU_PFVF_FUNC_MASK) && + req->priority == NPC_MCAM_HIGHER_PRIO) + end = req->ref_entry; + + if (!(pcifunc & RVU_PFVF_FUNC_MASK) && + req->priority == NPC_MCAM_LOWER_PRIO) + start = req->ref_entry; } alloc: diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c index d1e3928a24..761eb86710 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c @@ -933,8 +933,11 @@ bool otx2_sq_append_skb(struct net_device *netdev, struct otx2_snd_queue *sq, if (skb_shinfo(skb)->gso_size && !is_hw_tso_supported(pfvf, skb)) { /* Insert vlan tag before giving pkt to tso */ - if (skb_vlan_tag_present(skb)) + if (skb_vlan_tag_present(skb)) { skb = __vlan_hwaccel_push_inside(skb); + if (!skb) + return true; + } otx2_sq_append_tso(pfvf, sq, skb, qidx); return true; } diff --git a/drivers/net/ethernet/mediatek/mtk_star_emac.c b/drivers/net/ethernet/mediatek/mtk_star_emac.c index 67f9e4415a..392648246d 100644 --- a/drivers/net/ethernet/mediatek/mtk_star_emac.c +++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c @@ -1446,6 +1446,7 @@ static int mtk_star_probe(struct platform_device *pdev) { struct device_node *of_node; struct mtk_star_priv *priv; + struct phy_device *phydev; struct net_device *ndev; struct device *dev; void __iomem *base; @@ -1552,6 +1553,12 @@ static int mtk_star_probe(struct platform_device *pdev) netif_napi_add(ndev, &priv->napi, mtk_star_poll, NAPI_POLL_WEIGHT); + phydev = of_phy_find_device(priv->phy_node); + if (phydev) { + phydev->mac_managed_pm = true; + put_device(&phydev->mdio.dev); + } + return devm_register_netdev(dev, ndev); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tir.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tir.c index a1afb8585e..ae64d22d21 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tir.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tir.c @@ -23,6 +23,9 @@ struct mlx5e_tir_builder *mlx5e_tir_builder_alloc(bool modify) struct mlx5e_tir_builder *builder; builder = kvzalloc(sizeof(*builder), GFP_KERNEL); + if (!builder) + return NULL; + builder->modify = modify; return builder; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index 2d3cd23735..a9080e3ecd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -129,6 +129,10 @@ void mlx5e_build_ptys2ethtool_map(void) ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT); MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_LR4, legacy, ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT); + MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100BASE_TX, legacy, + ETHTOOL_LINK_MODE_100baseT_Full_BIT); + MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_T, legacy, + ETHTOOL_LINK_MODE_1000baseT_Full_BIT); MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_T, legacy, ETHTOOL_LINK_MODE_10000baseT_Full_BIT); MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_CR, legacy, @@ -1181,7 +1185,12 @@ int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv, if (!an_changes && link_modes == eproto.admin) goto out; - mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext); + err = mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext); + if (err) { + netdev_err(priv->netdev, "%s: failed to set ptys reg: %d\n", __func__, err); + goto out; + } + mlx5_toggle_port_link(mdev); out: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c index d32b70c62c..32212bc41d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c @@ -727,7 +727,7 @@ mlx5e_ethtool_flow_replace(struct mlx5e_priv *priv, if (num_tuples <= 0) { netdev_warn(priv->netdev, "%s: flow is not valid %d\n", __func__, num_tuples); - return num_tuples; + return num_tuples < 0 ? num_tuples : -EINVAL; } eth_ft = get_flow_table(priv, fs, num_tuples); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 79d687c663..a0870da414 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -3989,7 +3989,7 @@ static netdev_features_t mlx5e_tunnel_features_check(struct mlx5e_priv *priv, /* Verify if UDP port is being offloaded by HW */ if (mlx5_vxlan_lookup_port(priv->mdev->vxlan, port)) - return features; + return vxlan_features_check(skb, features); #if IS_ENABLED(CONFIG_GENEVE) /* Support Geneve offload for default UDP port */ @@ -4015,7 +4015,6 @@ netdev_features_t mlx5e_features_check(struct sk_buff *skb, struct mlx5e_priv *priv = netdev_priv(netdev); features = vlan_features_check(skb, features); - features = vxlan_features_check(skb, features); /* Validate if the tunneled packet is being offloaded by HW */ if (skb->encapsulation && diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index 6813279b57..7ec8a5ae7e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -685,7 +685,6 @@ mlx5e_sq_xmit_mpwqe(struct mlx5e_txqsq *sq, struct sk_buff *skb, return; err_unmap: - mlx5e_dma_unmap_wqe_err(sq, 1); sq->stats->dropped++; dev_kfree_skb_any(skb); mlx5e_tx_flush(sq); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c index 65c8f1f084..b7758a1c01 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c @@ -424,6 +424,7 @@ esw_qos_create_rate_group(struct mlx5_eswitch *esw, struct netlink_ext_ack *exta { u32 tsar_ctx[MLX5_ST_SZ_DW(scheduling_context)] = {}; struct mlx5_esw_rate_group *group; + __be32 *attr; u32 divider; int err; @@ -434,6 +435,12 @@ esw_qos_create_rate_group(struct mlx5_eswitch *esw, struct netlink_ext_ack *exta if (!group) return ERR_PTR(-ENOMEM); + MLX5_SET(scheduling_context, tsar_ctx, element_type, + SCHEDULING_CONTEXT_ELEMENT_TYPE_TSAR); + + attr = MLX5_ADDR_OF(scheduling_context, tsar_ctx, element_attributes); + *attr = cpu_to_be32(TSAR_ELEMENT_TSAR_TYPE_DWRR << 16); + MLX5_SET(scheduling_context, tsar_ctx, parent_element_id, esw->qos.root_tsar_ix); err = mlx5_create_scheduling_element_cmd(esw->dev, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c index 7db8df64a6..57e1fa2fe5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c @@ -185,6 +185,20 @@ static int mlx5_cmd_set_slave_root_fdb(struct mlx5_core_dev *master, return mlx5_cmd_exec(slave, in, sizeof(in), out, sizeof(out)); } +static int +mlx5_cmd_stub_destroy_match_definer(struct mlx5_flow_root_namespace *ns, + int definer_id) +{ + return 0; +} + +static int +mlx5_cmd_stub_create_match_definer(struct mlx5_flow_root_namespace *ns, + u16 format_id, u32 *match_mask) +{ + return 0; +} + static int mlx5_cmd_update_root_ft(struct mlx5_flow_root_namespace *ns, struct mlx5_flow_table *ft, u32 underlay_qpn, bool disconnect) @@ -909,6 +923,45 @@ static void mlx5_cmd_modify_header_dealloc(struct mlx5_flow_root_namespace *ns, mlx5_cmd_exec_in(dev, dealloc_modify_header_context, in); } +static int mlx5_cmd_destroy_match_definer(struct mlx5_flow_root_namespace *ns, + int definer_id) +{ + u32 in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {}; + u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)]; + + MLX5_SET(general_obj_in_cmd_hdr, in, opcode, + MLX5_CMD_OP_DESTROY_GENERAL_OBJECT); + MLX5_SET(general_obj_in_cmd_hdr, in, obj_type, + MLX5_OBJ_TYPE_MATCH_DEFINER); + MLX5_SET(general_obj_in_cmd_hdr, in, obj_id, definer_id); + + return mlx5_cmd_exec(ns->dev, in, sizeof(in), out, sizeof(out)); +} + +static int mlx5_cmd_create_match_definer(struct mlx5_flow_root_namespace *ns, + u16 format_id, u32 *match_mask) +{ + u32 out[MLX5_ST_SZ_DW(create_match_definer_out)] = {}; + u32 in[MLX5_ST_SZ_DW(create_match_definer_in)] = {}; + struct mlx5_core_dev *dev = ns->dev; + void *ptr; + int err; + + MLX5_SET(create_match_definer_in, in, general_obj_in_cmd_hdr.opcode, + MLX5_CMD_OP_CREATE_GENERAL_OBJECT); + MLX5_SET(create_match_definer_in, in, general_obj_in_cmd_hdr.obj_type, + MLX5_OBJ_TYPE_MATCH_DEFINER); + + ptr = MLX5_ADDR_OF(create_match_definer_in, in, obj_context); + MLX5_SET(match_definer, ptr, format_id, format_id); + + ptr = MLX5_ADDR_OF(match_definer, ptr, match_mask); + memcpy(ptr, match_mask, MLX5_FLD_SZ_BYTES(match_definer, match_mask)); + + err = mlx5_cmd_exec_inout(dev, create_match_definer, in, out); + return err ? err : MLX5_GET(general_obj_out_cmd_hdr, out, obj_id); +} + static const struct mlx5_flow_cmds mlx5_flow_cmds = { .create_flow_table = mlx5_cmd_create_flow_table, .destroy_flow_table = mlx5_cmd_destroy_flow_table, @@ -923,6 +976,8 @@ static const struct mlx5_flow_cmds mlx5_flow_cmds = { .packet_reformat_dealloc = mlx5_cmd_packet_reformat_dealloc, .modify_header_alloc = mlx5_cmd_modify_header_alloc, .modify_header_dealloc = mlx5_cmd_modify_header_dealloc, + .create_match_definer = mlx5_cmd_create_match_definer, + .destroy_match_definer = mlx5_cmd_destroy_match_definer, .set_peer = mlx5_cmd_stub_set_peer, .create_ns = mlx5_cmd_stub_create_ns, .destroy_ns = mlx5_cmd_stub_destroy_ns, @@ -942,6 +997,8 @@ static const struct mlx5_flow_cmds mlx5_flow_cmd_stubs = { .packet_reformat_dealloc = mlx5_cmd_stub_packet_reformat_dealloc, .modify_header_alloc = mlx5_cmd_stub_modify_header_alloc, .modify_header_dealloc = mlx5_cmd_stub_modify_header_dealloc, + .create_match_definer = mlx5_cmd_stub_create_match_definer, + .destroy_match_definer = mlx5_cmd_stub_destroy_match_definer, .set_peer = mlx5_cmd_stub_set_peer, .create_ns = mlx5_cmd_stub_create_ns, .destroy_ns = mlx5_cmd_stub_destroy_ns, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h index 5ecd33cdc0..220ec632d3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h @@ -97,6 +97,10 @@ struct mlx5_flow_cmds { int (*create_ns)(struct mlx5_flow_root_namespace *ns); int (*destroy_ns)(struct mlx5_flow_root_namespace *ns); + int (*create_match_definer)(struct mlx5_flow_root_namespace *ns, + u16 format_id, u32 *match_mask); + int (*destroy_match_definer)(struct mlx5_flow_root_namespace *ns, + int definer_id); }; int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index a55cacb988..fbfa563771 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -3319,6 +3319,52 @@ void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev, } EXPORT_SYMBOL(mlx5_packet_reformat_dealloc); +int mlx5_get_match_definer_id(struct mlx5_flow_definer *definer) +{ + return definer->id; +} + +struct mlx5_flow_definer * +mlx5_create_match_definer(struct mlx5_core_dev *dev, + enum mlx5_flow_namespace_type ns_type, u16 format_id, + u32 *match_mask) +{ + struct mlx5_flow_root_namespace *root; + struct mlx5_flow_definer *definer; + int id; + + root = get_root_namespace(dev, ns_type); + if (!root) + return ERR_PTR(-EOPNOTSUPP); + + definer = kzalloc(sizeof(*definer), GFP_KERNEL); + if (!definer) + return ERR_PTR(-ENOMEM); + + definer->ns_type = ns_type; + id = root->cmds->create_match_definer(root, format_id, match_mask); + if (id < 0) { + mlx5_core_warn(root->dev, "Failed to create match definer (%d)\n", id); + kfree(definer); + return ERR_PTR(id); + } + definer->id = id; + return definer; +} + +void mlx5_destroy_match_definer(struct mlx5_core_dev *dev, + struct mlx5_flow_definer *definer) +{ + struct mlx5_flow_root_namespace *root; + + root = get_root_namespace(dev, definer->ns_type); + if (WARN_ON(!root)) + return; + + root->cmds->destroy_match_definer(root, definer->id); + kfree(definer); +} + int mlx5_flow_namespace_set_peer(struct mlx5_flow_root_namespace *ns, struct mlx5_flow_root_namespace *peer_ns) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h index 98240badc3..67cf3cbb86 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h @@ -49,6 +49,11 @@ #define FDB_TC_MAX_PRIO 16 #define FDB_TC_LEVELS_PER_PRIO 2 +struct mlx5_flow_definer { + enum mlx5_flow_namespace_type ns_type; + u32 id; +}; + struct mlx5_modify_hdr { enum mlx5_flow_namespace_type ns_type; union { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/pci_vsc.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/pci_vsc.c index 6b774e0c27..c14f9529c2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/pci_vsc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/pci_vsc.c @@ -24,6 +24,11 @@ pci_write_config_dword((dev)->pdev, (dev)->vsc_addr + (offset), (val)) #define VSC_MAX_RETRIES 2048 +/* Reading VSC registers can take relatively long time. + * Yield the cpu every 128 registers read. + */ +#define VSC_GW_READ_BLOCK_COUNT 128 + enum { VSC_CTRL_OFFSET = 0x4, VSC_COUNTER_OFFSET = 0x8, @@ -269,6 +274,7 @@ int mlx5_vsc_gw_read_block_fast(struct mlx5_core_dev *dev, u32 *data, { unsigned int next_read_addr = 0; unsigned int read_addr = 0; + unsigned int count = 0; while (read_addr < length) { if (mlx5_vsc_gw_read_fast(dev, read_addr, &next_read_addr, @@ -276,6 +282,10 @@ int mlx5_vsc_gw_read_block_fast(struct mlx5_core_dev *dev, u32 *data, return read_addr; read_addr = next_read_addr; + if (++count == VSC_GW_READ_BLOCK_COUNT) { + cond_resched(); + count = 0; + } } return length; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c index 0553ee1fe8..5d22a28294 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c @@ -626,6 +626,19 @@ static void mlx5_cmd_dr_modify_header_dealloc(struct mlx5_flow_root_namespace *n mlx5dr_action_destroy(modify_hdr->action.dr_action); } +static int +mlx5_cmd_dr_destroy_match_definer(struct mlx5_flow_root_namespace *ns, + int definer_id) +{ + return -EOPNOTSUPP; +} + +static int mlx5_cmd_dr_create_match_definer(struct mlx5_flow_root_namespace *ns, + u16 format_id, u32 *match_mask) +{ + return -EOPNOTSUPP; +} + static int mlx5_cmd_dr_delete_fte(struct mlx5_flow_root_namespace *ns, struct mlx5_flow_table *ft, struct fs_fte *fte) @@ -728,6 +741,8 @@ static const struct mlx5_flow_cmds mlx5_flow_cmds_dr = { .packet_reformat_dealloc = mlx5_cmd_dr_packet_reformat_dealloc, .modify_header_alloc = mlx5_cmd_dr_modify_header_alloc, .modify_header_dealloc = mlx5_cmd_dr_modify_header_dealloc, + .create_match_definer = mlx5_cmd_dr_create_match_definer, + .destroy_match_definer = mlx5_cmd_dr_destroy_match_definer, .set_peer = mlx5_cmd_dr_set_peer, .create_ns = mlx5_cmd_dr_create_ns, .destroy_ns = mlx5_cmd_dr_destroy_ns, diff --git a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige.h b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige.h index 0fdf2c8ca4..0e4ece5ab7 100644 --- a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige.h +++ b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige.h @@ -39,6 +39,7 @@ */ #define MLXBF_GIGE_BCAST_MAC_FILTER_IDX 0 #define MLXBF_GIGE_LOCAL_MAC_FILTER_IDX 1 +#define MLXBF_GIGE_MAX_FILTER_IDX 3 /* Define for broadcast MAC literal */ #define BCAST_MAC_ADDR 0xFFFFFFFFFFFF @@ -151,9 +152,13 @@ enum mlxbf_gige_res { int mlxbf_gige_mdio_probe(struct platform_device *pdev, struct mlxbf_gige *priv); void mlxbf_gige_mdio_remove(struct mlxbf_gige *priv); -irqreturn_t mlxbf_gige_mdio_handle_phy_interrupt(int irq, void *dev_id); -void mlxbf_gige_mdio_enable_phy_int(struct mlxbf_gige *priv); +void mlxbf_gige_enable_multicast_rx(struct mlxbf_gige *priv); +void mlxbf_gige_disable_multicast_rx(struct mlxbf_gige *priv); +void mlxbf_gige_enable_mac_rx_filter(struct mlxbf_gige *priv, + unsigned int index); +void mlxbf_gige_disable_mac_rx_filter(struct mlxbf_gige *priv, + unsigned int index); void mlxbf_gige_set_mac_rx_filter(struct mlxbf_gige *priv, unsigned int index, u64 dmac); void mlxbf_gige_get_mac_rx_filter(struct mlxbf_gige *priv, diff --git a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c index c644ee78e0..60cea337fe 100644 --- a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c +++ b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c @@ -170,6 +170,10 @@ static int mlxbf_gige_open(struct net_device *netdev) if (err) goto napi_deinit; + mlxbf_gige_enable_mac_rx_filter(priv, MLXBF_GIGE_BCAST_MAC_FILTER_IDX); + mlxbf_gige_enable_mac_rx_filter(priv, MLXBF_GIGE_LOCAL_MAC_FILTER_IDX); + mlxbf_gige_enable_multicast_rx(priv); + /* Set bits in INT_EN that we care about */ int_en = MLXBF_GIGE_INT_EN_HW_ACCESS_ERROR | MLXBF_GIGE_INT_EN_TX_CHECKSUM_INPUTS | @@ -295,6 +299,7 @@ static int mlxbf_gige_probe(struct platform_device *pdev) void __iomem *plu_base; void __iomem *base; int addr, phy_irq; + unsigned int i; int err; base = devm_platform_ioremap_resource(pdev, MLXBF_GIGE_RES_MAC); @@ -337,6 +342,11 @@ static int mlxbf_gige_probe(struct platform_device *pdev) priv->rx_q_entries = MLXBF_GIGE_DEFAULT_RXQ_SZ; priv->tx_q_entries = MLXBF_GIGE_DEFAULT_TXQ_SZ; + for (i = 0; i <= MLXBF_GIGE_MAX_FILTER_IDX; i++) + mlxbf_gige_disable_mac_rx_filter(priv, i); + mlxbf_gige_disable_multicast_rx(priv); + mlxbf_gige_disable_promisc(priv); + /* Write initial MAC address to hardware */ mlxbf_gige_initial_mac(priv); diff --git a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_regs.h b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_regs.h index 7be3a79398..d27535a1fb 100644 --- a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_regs.h +++ b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_regs.h @@ -59,6 +59,8 @@ #define MLXBF_GIGE_TX_STATUS_DATA_FIFO_FULL BIT(1) #define MLXBF_GIGE_RX_MAC_FILTER_DMAC_RANGE_START 0x0520 #define MLXBF_GIGE_RX_MAC_FILTER_DMAC_RANGE_END 0x0528 +#define MLXBF_GIGE_RX_MAC_FILTER_GENERAL 0x0530 +#define MLXBF_GIGE_RX_MAC_FILTER_EN_MULTICAST BIT(1) #define MLXBF_GIGE_RX_MAC_FILTER_COUNT_DISC 0x0540 #define MLXBF_GIGE_RX_MAC_FILTER_COUNT_DISC_EN BIT(0) #define MLXBF_GIGE_RX_MAC_FILTER_COUNT_PASS 0x0548 diff --git a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_rx.c b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_rx.c index 6999843584..eb62620b63 100644 --- a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_rx.c +++ b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_rx.c @@ -11,15 +11,31 @@ #include "mlxbf_gige.h" #include "mlxbf_gige_regs.h" -void mlxbf_gige_set_mac_rx_filter(struct mlxbf_gige *priv, - unsigned int index, u64 dmac) +void mlxbf_gige_enable_multicast_rx(struct mlxbf_gige *priv) { void __iomem *base = priv->base; - u64 control; + u64 data; - /* Write destination MAC to specified MAC RX filter */ - writeq(dmac, base + MLXBF_GIGE_RX_MAC_FILTER + - (index * MLXBF_GIGE_RX_MAC_FILTER_STRIDE)); + data = readq(base + MLXBF_GIGE_RX_MAC_FILTER_GENERAL); + data |= MLXBF_GIGE_RX_MAC_FILTER_EN_MULTICAST; + writeq(data, base + MLXBF_GIGE_RX_MAC_FILTER_GENERAL); +} + +void mlxbf_gige_disable_multicast_rx(struct mlxbf_gige *priv) +{ + void __iomem *base = priv->base; + u64 data; + + data = readq(base + MLXBF_GIGE_RX_MAC_FILTER_GENERAL); + data &= ~MLXBF_GIGE_RX_MAC_FILTER_EN_MULTICAST; + writeq(data, base + MLXBF_GIGE_RX_MAC_FILTER_GENERAL); +} + +void mlxbf_gige_enable_mac_rx_filter(struct mlxbf_gige *priv, + unsigned int index) +{ + void __iomem *base = priv->base; + u64 control; /* Enable MAC receive filter mask for specified index */ control = readq(base + MLXBF_GIGE_CONTROL); @@ -27,6 +43,28 @@ void mlxbf_gige_set_mac_rx_filter(struct mlxbf_gige *priv, writeq(control, base + MLXBF_GIGE_CONTROL); } +void mlxbf_gige_disable_mac_rx_filter(struct mlxbf_gige *priv, + unsigned int index) +{ + void __iomem *base = priv->base; + u64 control; + + /* Disable MAC receive filter mask for specified index */ + control = readq(base + MLXBF_GIGE_CONTROL); + control &= ~(MLXBF_GIGE_CONTROL_EN_SPECIFIC_MAC << index); + writeq(control, base + MLXBF_GIGE_CONTROL); +} + +void mlxbf_gige_set_mac_rx_filter(struct mlxbf_gige *priv, + unsigned int index, u64 dmac) +{ + void __iomem *base = priv->base; + + /* Write destination MAC to specified MAC RX filter */ + writeq(dmac, base + MLXBF_GIGE_RX_MAC_FILTER + + (index * MLXBF_GIGE_RX_MAC_FILTER_STRIDE)); +} + void mlxbf_gige_get_mac_rx_filter(struct mlxbf_gige *priv, unsigned int index, u64 *dmac) { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_atcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_atcam.c index 4b713832fd..f5c0a4214c 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_atcam.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_atcam.c @@ -391,7 +391,8 @@ mlxsw_sp_acl_atcam_region_entry_insert(struct mlxsw_sp *mlxsw_sp, if (err) return err; - lkey_id = aregion->ops->lkey_id_get(aregion, aentry->enc_key, erp_id); + lkey_id = aregion->ops->lkey_id_get(aregion, aentry->ht_key.enc_key, + erp_id); if (IS_ERR(lkey_id)) return PTR_ERR(lkey_id); aentry->lkey_id = lkey_id; @@ -399,7 +400,7 @@ mlxsw_sp_acl_atcam_region_entry_insert(struct mlxsw_sp *mlxsw_sp, kvdl_index = mlxsw_afa_block_first_kvdl_index(rulei->act_block); mlxsw_reg_ptce3_pack(ptce3_pl, true, MLXSW_REG_PTCE3_OP_WRITE_WRITE, priority, region->tcam_region_info, - aentry->enc_key, erp_id, + aentry->ht_key.enc_key, erp_id, aentry->delta_info.start, aentry->delta_info.mask, aentry->delta_info.value, @@ -428,7 +429,7 @@ mlxsw_sp_acl_atcam_region_entry_remove(struct mlxsw_sp *mlxsw_sp, mlxsw_reg_ptce3_pack(ptce3_pl, false, MLXSW_REG_PTCE3_OP_WRITE_WRITE, 0, region->tcam_region_info, - aentry->enc_key, erp_id, + aentry->ht_key.enc_key, erp_id, aentry->delta_info.start, aentry->delta_info.mask, aentry->delta_info.value, @@ -457,7 +458,7 @@ mlxsw_sp_acl_atcam_region_entry_action_replace(struct mlxsw_sp *mlxsw_sp, kvdl_index = mlxsw_afa_block_first_kvdl_index(rulei->act_block); mlxsw_reg_ptce3_pack(ptce3_pl, true, MLXSW_REG_PTCE3_OP_WRITE_UPDATE, priority, region->tcam_region_info, - aentry->enc_key, erp_id, + aentry->ht_key.enc_key, erp_id, aentry->delta_info.start, aentry->delta_info.mask, aentry->delta_info.value, @@ -480,15 +481,13 @@ __mlxsw_sp_acl_atcam_entry_add(struct mlxsw_sp *mlxsw_sp, int err; mlxsw_afk_encode(afk, region->key_info, &rulei->values, - aentry->ht_key.full_enc_key, mask); + aentry->ht_key.enc_key, mask); erp_mask = mlxsw_sp_acl_erp_mask_get(aregion, mask, false); if (IS_ERR(erp_mask)) return PTR_ERR(erp_mask); aentry->erp_mask = erp_mask; aentry->ht_key.erp_id = mlxsw_sp_acl_erp_mask_erp_id(erp_mask); - memcpy(aentry->enc_key, aentry->ht_key.full_enc_key, - sizeof(aentry->enc_key)); /* Compute all needed delta information and clear the delta bits * from the encrypted key. @@ -497,9 +496,8 @@ __mlxsw_sp_acl_atcam_entry_add(struct mlxsw_sp *mlxsw_sp, aentry->delta_info.start = mlxsw_sp_acl_erp_delta_start(delta); aentry->delta_info.mask = mlxsw_sp_acl_erp_delta_mask(delta); aentry->delta_info.value = - mlxsw_sp_acl_erp_delta_value(delta, - aentry->ht_key.full_enc_key); - mlxsw_sp_acl_erp_delta_clear(delta, aentry->enc_key); + mlxsw_sp_acl_erp_delta_value(delta, aentry->ht_key.enc_key); + mlxsw_sp_acl_erp_delta_clear(delta, aentry->ht_key.enc_key); /* Add rule to the list of A-TCAM rules, assuming this * rule is intended to A-TCAM. In case this rule does diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_bloom_filter.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_bloom_filter.c index 2e8b17e3b9..3ab87db83b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_bloom_filter.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_bloom_filter.c @@ -116,9 +116,10 @@ static u16 mlxsw_sp_acl_bf_crc(const u8 *buffer, size_t len) } static void -mlxsw_sp_acl_bf_key_encode(struct mlxsw_sp_acl_atcam_region *aregion, - struct mlxsw_sp_acl_atcam_entry *aentry, - char *output, u8 *len) +__mlxsw_sp_acl_bf_key_encode(struct mlxsw_sp_acl_atcam_region *aregion, + struct mlxsw_sp_acl_atcam_entry *aentry, + char *output, u8 *len, u8 max_chunks, u8 pad_bytes, + u8 key_offset, u8 chunk_key_len, u8 chunk_len) { struct mlxsw_afk_key_info *key_info = aregion->region->key_info; u8 chunk_index, chunk_count, block_count; @@ -129,17 +130,30 @@ mlxsw_sp_acl_bf_key_encode(struct mlxsw_sp_acl_atcam_region *aregion, chunk_count = 1 + ((block_count - 1) >> 2); erp_region_id = cpu_to_be16(aentry->ht_key.erp_id | (aregion->region->id << 4)); - for (chunk_index = MLXSW_BLOOM_KEY_CHUNKS - chunk_count; - chunk_index < MLXSW_BLOOM_KEY_CHUNKS; chunk_index++) { - memset(chunk, 0, MLXSW_BLOOM_CHUNK_PAD_BYTES); - memcpy(chunk + MLXSW_BLOOM_CHUNK_PAD_BYTES, &erp_region_id, + for (chunk_index = max_chunks - chunk_count; chunk_index < max_chunks; + chunk_index++) { + memset(chunk, 0, pad_bytes); + memcpy(chunk + pad_bytes, &erp_region_id, sizeof(erp_region_id)); - memcpy(chunk + MLXSW_BLOOM_CHUNK_KEY_OFFSET, - &aentry->enc_key[chunk_key_offsets[chunk_index]], - MLXSW_BLOOM_CHUNK_KEY_BYTES); - chunk += MLXSW_BLOOM_KEY_CHUNK_BYTES; + memcpy(chunk + key_offset, + &aentry->ht_key.enc_key[chunk_key_offsets[chunk_index]], + chunk_key_len); + chunk += chunk_len; } - *len = chunk_count * MLXSW_BLOOM_KEY_CHUNK_BYTES; + *len = chunk_count * chunk_len; +} + +static void +mlxsw_sp_acl_bf_key_encode(struct mlxsw_sp_acl_atcam_region *aregion, + struct mlxsw_sp_acl_atcam_entry *aentry, + char *output, u8 *len) +{ + __mlxsw_sp_acl_bf_key_encode(aregion, aentry, output, len, + MLXSW_BLOOM_KEY_CHUNKS, + MLXSW_BLOOM_CHUNK_PAD_BYTES, + MLXSW_BLOOM_CHUNK_KEY_OFFSET, + MLXSW_BLOOM_CHUNK_KEY_BYTES, + MLXSW_BLOOM_KEY_CHUNK_BYTES); } static unsigned int diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c index d231f4d288..9eee229303 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c @@ -1217,18 +1217,6 @@ static bool mlxsw_sp_acl_erp_delta_check(void *priv, const void *parent_obj, return err ? false : true; } -static int mlxsw_sp_acl_erp_hints_obj_cmp(const void *obj1, const void *obj2) -{ - const struct mlxsw_sp_acl_erp_key *key1 = obj1; - const struct mlxsw_sp_acl_erp_key *key2 = obj2; - - /* For hints purposes, two objects are considered equal - * in case the masks are the same. Does not matter what - * the "ctcam" value is. - */ - return memcmp(key1->mask, key2->mask, sizeof(key1->mask)); -} - static void *mlxsw_sp_acl_erp_delta_create(void *priv, void *parent_obj, void *obj) { @@ -1308,7 +1296,6 @@ static void mlxsw_sp_acl_erp_root_destroy(void *priv, void *root_priv) static const struct objagg_ops mlxsw_sp_acl_erp_objagg_ops = { .obj_size = sizeof(struct mlxsw_sp_acl_erp_key), .delta_check = mlxsw_sp_acl_erp_delta_check, - .hints_obj_cmp = mlxsw_sp_acl_erp_hints_obj_cmp, .delta_create = mlxsw_sp_acl_erp_delta_create, .delta_destroy = mlxsw_sp_acl_erp_delta_destroy, .root_create = mlxsw_sp_acl_erp_root_create, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h index a41df10ade..f28c47ae54 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h @@ -171,9 +171,9 @@ struct mlxsw_sp_acl_atcam_region { }; struct mlxsw_sp_acl_atcam_entry_ht_key { - char full_enc_key[MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN]; /* Encoded - * key. - */ + char enc_key[MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN]; /* Encoded key, minus + * delta bits. + */ u8 erp_id; }; @@ -185,9 +185,6 @@ struct mlxsw_sp_acl_atcam_entry { struct rhash_head ht_node; struct list_head list; /* Member in entries_list */ struct mlxsw_sp_acl_atcam_entry_ht_key ht_key; - char enc_key[MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN]; /* Encoded key, - * minus delta bits. - */ struct { u16 start; u8 mask; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c index 3398cc01e5..96b098df14 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c @@ -424,7 +424,7 @@ mlxsw_sp_span_gretap4_route(const struct net_device *to_dev, parms = mlxsw_sp_ipip_netdev_parms4(to_dev); ip_tunnel_init_flow(&fl4, parms.iph.protocol, *daddrp, *saddrp, - 0, 0, parms.link, tun->fwmark, 0); + 0, 0, dev_net(to_dev), parms.link, tun->fwmark, 0); rt = ip_route_output_key(tun->net, &fl4); if (IS_ERR(rt)) diff --git a/drivers/net/ethernet/micrel/ks8851_common.c b/drivers/net/ethernet/micrel/ks8851_common.c index fb3bed24d5..864cdb775d 100644 --- a/drivers/net/ethernet/micrel/ks8851_common.c +++ b/drivers/net/ethernet/micrel/ks8851_common.c @@ -499,6 +499,7 @@ static int ks8851_net_open(struct net_device *dev) ks8851_wrreg16(ks, KS_IER, ks->rc_ier); ks->queued_len = 0; + ks->tx_space = ks8851_rdreg16(ks, KS_TXMIR); netif_start_queue(ks->netdev); netif_dbg(ks, ifup, ks->netdev, "network device up\n"); @@ -1119,7 +1120,6 @@ int ks8851_probe_common(struct net_device *netdev, struct device *dev, int ret; ks->netdev = netdev; - ks->tx_space = 6144; gpio = of_get_named_gpio_flags(dev->of_node, "reset-gpios", 0, NULL); if (gpio == -EPROBE_DEFER) diff --git a/drivers/net/ethernet/microsoft/mana/hw_channel.c b/drivers/net/ethernet/microsoft/mana/hw_channel.c index d5c485a6d2..508f83c29f 100644 --- a/drivers/net/ethernet/microsoft/mana/hw_channel.c +++ b/drivers/net/ethernet/microsoft/mana/hw_channel.c @@ -51,9 +51,33 @@ static int mana_hwc_verify_resp_msg(const struct hwc_caller_ctx *caller_ctx, return 0; } +static int mana_hwc_post_rx_wqe(const struct hwc_wq *hwc_rxq, + struct hwc_work_request *req) +{ + struct device *dev = hwc_rxq->hwc->dev; + struct gdma_sge *sge; + int err; + + sge = &req->sge; + sge->address = (u64)req->buf_sge_addr; + sge->mem_key = hwc_rxq->msg_buf->gpa_mkey; + sge->size = req->buf_len; + + memset(&req->wqe_req, 0, sizeof(struct gdma_wqe_request)); + req->wqe_req.sgl = sge; + req->wqe_req.num_sge = 1; + req->wqe_req.client_data_unit = 0; + + err = mana_gd_post_and_ring(hwc_rxq->gdma_wq, &req->wqe_req, NULL); + if (err) + dev_err(dev, "Failed to post WQE on HWC RQ: %d\n", err); + return err; +} + static void mana_hwc_handle_resp(struct hw_channel_context *hwc, u32 resp_len, - const struct gdma_resp_hdr *resp_msg) + struct hwc_work_request *rx_req) { + const struct gdma_resp_hdr *resp_msg = rx_req->buf_va; struct hwc_caller_ctx *ctx; int err; @@ -61,6 +85,7 @@ static void mana_hwc_handle_resp(struct hw_channel_context *hwc, u32 resp_len, hwc->inflight_msg_res.map)) { dev_err(hwc->dev, "hwc_rx: invalid msg_id = %u\n", resp_msg->response.hwc_msg_id); + mana_hwc_post_rx_wqe(hwc->rxq, rx_req); return; } @@ -74,30 +99,13 @@ static void mana_hwc_handle_resp(struct hw_channel_context *hwc, u32 resp_len, memcpy(ctx->output_buf, resp_msg, resp_len); out: ctx->error = err; - complete(&ctx->comp_event); -} - -static int mana_hwc_post_rx_wqe(const struct hwc_wq *hwc_rxq, - struct hwc_work_request *req) -{ - struct device *dev = hwc_rxq->hwc->dev; - struct gdma_sge *sge; - int err; - - sge = &req->sge; - sge->address = (u64)req->buf_sge_addr; - sge->mem_key = hwc_rxq->msg_buf->gpa_mkey; - sge->size = req->buf_len; - memset(&req->wqe_req, 0, sizeof(struct gdma_wqe_request)); - req->wqe_req.sgl = sge; - req->wqe_req.num_sge = 1; - req->wqe_req.client_data_unit = 0; + /* Must post rx wqe before complete(), otherwise the next rx may + * hit no_wqe error. + */ + mana_hwc_post_rx_wqe(hwc->rxq, rx_req); - err = mana_gd_post_and_ring(hwc_rxq->gdma_wq, &req->wqe_req, NULL); - if (err) - dev_err(dev, "Failed to post WQE on HWC RQ: %d\n", err); - return err; + complete(&ctx->comp_event); } static void mana_hwc_init_event_handler(void *ctx, struct gdma_queue *q_self, @@ -208,14 +216,12 @@ static void mana_hwc_rx_event_handler(void *ctx, u32 gdma_rxq_id, return; } - mana_hwc_handle_resp(hwc, rx_oob->tx_oob_data_size, resp); + mana_hwc_handle_resp(hwc, rx_oob->tx_oob_data_size, rx_req); - /* Do no longer use 'resp', because the buffer is posted to the HW - * in the below mana_hwc_post_rx_wqe(). + /* Can no longer use 'resp', because the buffer is posted to the HW + * in mana_hwc_handle_resp() above. */ resp = NULL; - - mana_hwc_post_rx_wqe(hwc_rxq, rx_req); } static void mana_hwc_tx_event_handler(void *ctx, u32 gdma_txq_id, diff --git a/drivers/net/ethernet/microsoft/mana/mana.h b/drivers/net/ethernet/microsoft/mana/mana.h index fc98a5ba5e..35e937a707 100644 --- a/drivers/net/ethernet/microsoft/mana/mana.h +++ b/drivers/net/ethernet/microsoft/mana/mana.h @@ -252,6 +252,7 @@ struct mana_cq { /* NAPI data */ struct napi_struct napi; int work_done; + int work_done_since_doorbell; int budget; }; diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c index 6224b7c21e..b0963fda4d 100644 --- a/drivers/net/ethernet/microsoft/mana/mana_en.c +++ b/drivers/net/ethernet/microsoft/mana/mana_en.c @@ -1074,7 +1074,6 @@ static void mana_poll_rx_cq(struct mana_cq *cq) static int mana_cq_handler(void *context, struct gdma_queue *gdma_queue) { struct mana_cq *cq = context; - u8 arm_bit; int w; WARN_ON_ONCE(cq->gdma_cq != gdma_queue); @@ -1085,16 +1084,23 @@ static int mana_cq_handler(void *context, struct gdma_queue *gdma_queue) mana_poll_tx_cq(cq); w = cq->work_done; - - if (w < cq->budget && - napi_complete_done(&cq->napi, w)) { - arm_bit = SET_ARM_BIT; - } else { - arm_bit = 0; + cq->work_done_since_doorbell += w; + + if (w < cq->budget) { + mana_gd_ring_cq(gdma_queue, SET_ARM_BIT); + cq->work_done_since_doorbell = 0; + napi_complete_done(&cq->napi, w); + } else if (cq->work_done_since_doorbell > + cq->gdma_cq->queue_size / COMP_ENTRY_SIZE * 4) { + /* MANA hardware requires at least one doorbell ring every 8 + * wraparounds of CQ even if there is no need to arm the CQ. + * This driver rings the doorbell as soon as we have exceeded + * 4 wraparounds. + */ + mana_gd_ring_cq(gdma_queue, 0); + cq->work_done_since_doorbell = 0; } - mana_gd_ring_cq(gdma_queue, arm_bit); - return w; } diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 69ac205bbd..331d05590f 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -2665,8 +2665,8 @@ nfp_net_prepare_vector(struct nfp_net *nn, struct nfp_net_r_vector *r_vec, snprintf(r_vec->name, sizeof(r_vec->name), "%s-rxtx-%d", nfp_net_name(nn), idx); - err = request_irq(r_vec->irq_vector, r_vec->handler, 0, r_vec->name, - r_vec); + err = request_irq(r_vec->irq_vector, r_vec->handler, IRQF_NO_AUTOEN, + r_vec->name, r_vec); if (err) { if (nn->dp.netdev) netif_napi_del(&r_vec->napi); @@ -2676,7 +2676,6 @@ nfp_net_prepare_vector(struct nfp_net *nn, struct nfp_net_r_vector *r_vec, nn_err(nn, "Error requesting IRQ %d\n", r_vec->irq_vector); return err; } - disable_irq(r_vec->irq_vector); irq_set_affinity_hint(r_vec->irq_vector, &r_vec->affinity_mask); diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 1f84ba638e..910d8973a4 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -221,7 +221,7 @@ static int ionic_request_irq(struct ionic_lif *lif, struct ionic_qcq *qcq) name = dev_name(dev); snprintf(intr->name, sizeof(intr->name), - "%s-%s-%s", IONIC_DRV_NAME, name, q->name); + "%.5s-%.16s-%.8s", IONIC_DRV_NAME, name, q->name); return devm_request_irq(dev, intr->vector, ionic_isr, 0, intr->name, &qcq->napi); @@ -283,10 +283,8 @@ static int ionic_qcq_enable(struct ionic_qcq *qcq) if (ret) return ret; - if (qcq->napi.poll) - napi_enable(&qcq->napi); - if (qcq->flags & IONIC_QCQ_F_INTR) { + napi_enable(&qcq->napi); irq_set_affinity_hint(qcq->intr.vector, &qcq->intr.affinity_mask); ionic_intr_mask(idev->intr_ctrl, qcq->intr.index, diff --git a/drivers/net/ethernet/qualcomm/qca_debug.c b/drivers/net/ethernet/qualcomm/qca_debug.c index 8b61bebd96..9819a0c810 100644 --- a/drivers/net/ethernet/qualcomm/qca_debug.c +++ b/drivers/net/ethernet/qualcomm/qca_debug.c @@ -111,10 +111,8 @@ qcaspi_info_show(struct seq_file *s, void *what) seq_printf(s, "IRQ : %d\n", qca->spi_dev->irq); - seq_printf(s, "INTR REQ : %u\n", - qca->intr_req); - seq_printf(s, "INTR SVC : %u\n", - qca->intr_svc); + seq_printf(s, "INTR : %lx\n", + qca->intr); seq_printf(s, "SPI max speed : %lu\n", (unsigned long)qca->spi_dev->max_speed_hz); diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c index e02f6ac012..385e4c62ca 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.c +++ b/drivers/net/ethernet/qualcomm/qca_spi.c @@ -49,6 +49,8 @@ #define MAX_DMA_BURST_LEN 5000 +#define SPI_INTR 0 + /* Modules parameters */ #define QCASPI_CLK_SPEED_MIN 1000000 #define QCASPI_CLK_SPEED_MAX 16000000 @@ -593,14 +595,14 @@ qcaspi_spi_thread(void *data) continue; } - if ((qca->intr_req == qca->intr_svc) && + if (!test_bit(SPI_INTR, &qca->intr) && !qca->txr.skb[qca->txr.head]) schedule(); set_current_state(TASK_RUNNING); - netdev_dbg(qca->net_dev, "have work to do. int: %d, tx_skb: %p\n", - qca->intr_req - qca->intr_svc, + netdev_dbg(qca->net_dev, "have work to do. int: %lu, tx_skb: %p\n", + qca->intr, qca->txr.skb[qca->txr.head]); qcaspi_qca7k_sync(qca, QCASPI_EVENT_UPDATE); @@ -614,8 +616,7 @@ qcaspi_spi_thread(void *data) msleep(QCASPI_QCA7K_REBOOT_TIME_MS); } - if (qca->intr_svc != qca->intr_req) { - qca->intr_svc = qca->intr_req; + if (test_and_clear_bit(SPI_INTR, &qca->intr)) { start_spi_intr_handling(qca, &intr_cause); if (intr_cause & SPI_INT_CPU_ON) { @@ -677,7 +678,7 @@ qcaspi_intr_handler(int irq, void *data) { struct qcaspi *qca = data; - qca->intr_req++; + set_bit(SPI_INTR, &qca->intr); if (qca->spi_thread) wake_up_process(qca->spi_thread); @@ -693,8 +694,7 @@ qcaspi_netdev_open(struct net_device *dev) if (!qca) return -EINVAL; - qca->intr_req = 1; - qca->intr_svc = 0; + set_bit(SPI_INTR, &qca->intr); qca->sync = QCASPI_SYNC_UNKNOWN; qcafrm_fsm_init_spi(&qca->frm_handle); diff --git a/drivers/net/ethernet/qualcomm/qca_spi.h b/drivers/net/ethernet/qualcomm/qca_spi.h index 3067356106..58ad910068 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.h +++ b/drivers/net/ethernet/qualcomm/qca_spi.h @@ -93,8 +93,7 @@ struct qcaspi { struct qcafrm_handle frm_handle; struct sk_buff *rx_skb; - unsigned int intr_req; - unsigned int intr_svc; + unsigned long intr; u16 reset_count; #ifdef CONFIG_DEBUG_FS diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 76d820c4e6..8e910f3349 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -575,7 +575,34 @@ struct rtl8169_counters { __le64 rx_broadcast; __le32 rx_multicast; __le16 tx_aborted; - __le16 tx_underun; + __le16 tx_underrun; + /* new since RTL8125 */ + __le64 tx_octets; + __le64 rx_octets; + __le64 rx_multicast64; + __le64 tx_unicast64; + __le64 tx_broadcast64; + __le64 tx_multicast64; + __le32 tx_pause_on; + __le32 tx_pause_off; + __le32 tx_pause_all; + __le32 tx_deferred; + __le32 tx_late_collision; + __le32 tx_all_collision; + __le32 tx_aborted32; + __le32 align_errors32; + __le32 rx_frame_too_long; + __le32 rx_runt; + __le32 rx_pause_on; + __le32 rx_pause_off; + __le32 rx_pause_all; + __le32 rx_unknown_opcode; + __le32 rx_mac_error; + __le32 tx_underrun32; + __le32 rx_mac_missed; + __le32 rx_tcam_dropped; + __le32 tdu; + __le32 rdu; }; struct rtl8169_tc_offsets { @@ -1666,7 +1693,7 @@ static void rtl8169_get_ethtool_stats(struct net_device *dev, data[9] = le64_to_cpu(counters->rx_broadcast); data[10] = le32_to_cpu(counters->rx_multicast); data[11] = le16_to_cpu(counters->tx_aborted); - data[12] = le16_to_cpu(counters->tx_underun); + data[12] = le16_to_cpu(counters->tx_underrun); } static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data) @@ -4283,7 +4310,8 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, if (unlikely(!rtl_tx_slots_avail(tp))) { if (net_ratelimit()) netdev_err(dev, "BUG! Tx Ring full when queue awake!\n"); - goto err_stop_0; + netif_stop_queue(dev); + return NETDEV_TX_BUSY; } opts[1] = rtl8169_tx_vlan_tag(skb); @@ -4356,11 +4384,6 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, dev_kfree_skb_any(skb); dev->stats.tx_dropped++; return NETDEV_TX_OK; - -err_stop_0: - netif_stop_queue(dev); - dev->stats.tx_dropped++; - return NETDEV_TX_BUSY; } static unsigned int rtl_last_frag_len(struct sk_buff *skb) @@ -4604,7 +4627,9 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) if ((status & 0xffff) == 0xffff || !(status & tp->irq_mask)) return IRQ_NONE; - if (unlikely(status & SYSErr)) { + /* At least RTL8168fp may unexpectedly set the SYSErr bit */ + if (unlikely(status & SYSErr && + tp->mac_version <= RTL_GIGA_MAC_VER_06)) { rtl8169_pcierr_interrupt(tp->dev); goto out; } diff --git a/drivers/net/ethernet/realtek/r8169_phy_config.c b/drivers/net/ethernet/realtek/r8169_phy_config.c index a84fd859ae..f0a808e164 100644 --- a/drivers/net/ethernet/realtek/r8169_phy_config.c +++ b/drivers/net/ethernet/realtek/r8169_phy_config.c @@ -1263,6 +1263,7 @@ static void rtl8125a_2_hw_phy_config(struct rtl8169_private *tp, phy_modify_paged(phydev, 0xa86, 0x15, 0x0001, 0x0000); rtl8168g_enable_gphy_10m(phydev); + rtl8168g_disable_aldps(phydev); rtl8125a_config_eee_phy(phydev); } @@ -1302,6 +1303,7 @@ static void rtl8125b_hw_phy_config(struct rtl8169_private *tp, phy_modify_paged(phydev, 0xbf8, 0x12, 0xe000, 0xa000); rtl8125_legacy_force_mode(phydev); + rtl8168g_disable_aldps(phydev); rtl8125b_config_eee_phy(phydev); } diff --git a/drivers/net/ethernet/seeq/ether3.c b/drivers/net/ethernet/seeq/ether3.c index 16a4cbae93..6bcb52118c 100644 --- a/drivers/net/ethernet/seeq/ether3.c +++ b/drivers/net/ethernet/seeq/ether3.c @@ -845,9 +845,11 @@ static void ether3_remove(struct expansion_card *ec) { struct net_device *dev = ecard_get_drvdata(ec); + ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2); ecard_set_drvdata(ec, NULL); unregister_netdev(dev); + del_timer_sync(&priv(dev)->timer); free_netdev(dev); ecard_release_resources(ec); } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c index da7b5d26a5..da2e68d616 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c @@ -35,6 +35,9 @@ static int loongson_default_data(struct plat_stmmacenet_data *plat) /* Disable RX queues routing by default */ plat->rx_queues_cfg[0].pkt_route = 0x0; + plat->clk_ref_rate = 125000000; + plat->clk_ptp_rate = 125000000; + /* Default to phy auto-detection */ plat->phy_addr = -1; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100.h b/drivers/net/ethernet/stmicro/stmmac/dwmac100.h index 35ab8d0bdc..7ab791c8d3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac100.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100.h @@ -56,7 +56,7 @@ #define MAC_CONTROL_TE 0x00000008 /* Transmitter Enable */ #define MAC_CONTROL_RE 0x00000004 /* Receiver Enable */ -#define MAC_CORE_INIT (MAC_CONTROL_HBD | MAC_CONTROL_ASTP) +#define MAC_CORE_INIT (MAC_CONTROL_HBD) /* MAC FLOW CTRL defines */ #define MAC_FLOW_CTRL_PT_MASK 0xffff0000 /* Pause Time Mask */ diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h b/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h index 3c73453725..4296ddda8a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h @@ -126,7 +126,7 @@ enum inter_frame_gap { #define GMAC_CONTROL_TE 0x00000008 /* Transmitter Enable */ #define GMAC_CONTROL_RE 0x00000004 /* Receiver Enable */ -#define GMAC_CORE_INIT (GMAC_CONTROL_JD | GMAC_CONTROL_PS | GMAC_CONTROL_ACS | \ +#define GMAC_CORE_INIT (GMAC_CONTROL_JD | GMAC_CONTROL_PS | \ GMAC_CONTROL_BE | GMAC_CONTROL_DCRS) /* GMAC Frame Filter defines */ diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c index 76edb9b726..0e00dd83d0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c @@ -15,7 +15,6 @@ #include #include #include -#include #include #include "stmmac.h" #include "stmmac_pcs.h" @@ -24,7 +23,6 @@ static void dwmac1000_core_init(struct mac_device_info *hw, struct net_device *dev) { - struct stmmac_priv *priv = netdev_priv(dev); void __iomem *ioaddr = hw->pcsr; u32 value = readl(ioaddr + GMAC_CONTROL); int mtu = dev->mtu; @@ -32,13 +30,6 @@ static void dwmac1000_core_init(struct mac_device_info *hw, /* Configure GMAC core */ value |= GMAC_CORE_INIT; - /* Clear ACS bit because Ethernet switch tagging formats such as - * Broadcom tags can look like invalid LLC/SNAP packets and cause the - * hardware to truncate packets on reception. - */ - if (netdev_uses_dsa(dev) || !priv->plat->enh_desc) - value &= ~GMAC_CONTROL_ACS; - if (mtu > 1500) value |= GMAC_CONTROL_2K; if (mtu > 2000) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c index 75071a7d55..a6e8d7bd95 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c @@ -15,7 +15,6 @@ *******************************************************************************/ #include -#include #include #include "stmmac.h" #include "dwmac100.h" @@ -28,13 +27,6 @@ static void dwmac100_core_init(struct mac_device_info *hw, value |= MAC_CORE_INIT; - /* Clear ASTP bit because Ethernet switch tagging formats such as - * Broadcom tags can look like invalid LLC/SNAP packets and cause the - * hardware to truncate packets on reception. - */ - if (netdev_uses_dsa(dev)) - value &= ~MAC_CONTROL_ASTP; - writel(value, ioaddr + MAC_CONTROL); #ifdef STMMAC_VLAN_TAG_USED diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 026e3645e5..c75868f3ce 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -14,7 +14,7 @@ #include #include #include -#include +#include #include "stmmac.h" #include "stmmac_pcs.h" #include "dwmac4.h" @@ -470,7 +470,7 @@ static int dwmac4_write_vlan_filter(struct net_device *dev, u8 index, u32 data) { void __iomem *ioaddr = (void __iomem *)dev->base_addr; - int i, timeout = 10; + int ret; u32 val; if (index >= hw->num_vlan) @@ -486,16 +486,15 @@ static int dwmac4_write_vlan_filter(struct net_device *dev, writel(val, ioaddr + GMAC_VLAN_TAG); - for (i = 0; i < timeout; i++) { - val = readl(ioaddr + GMAC_VLAN_TAG); - if (!(val & GMAC_VLAN_TAG_CTRL_OB)) - return 0; - udelay(1); + ret = readl_poll_timeout(ioaddr + GMAC_VLAN_TAG, val, + !(val & GMAC_VLAN_TAG_CTRL_OB), + 1000, 500000); + if (ret) { + netdev_err(dev, "Timeout accessing MAC_VLAN_Tag_Filter\n"); + return -EBUSY; } - netdev_err(dev, "Timeout accessing MAC_VLAN_Tag_Filter\n"); - - return -EBUSY; + return 0; } static int dwmac4_add_hw_vlan_rx_fltr(struct net_device *dev, @@ -972,7 +971,7 @@ static void dwmac4_set_mac_loopback(void __iomem *ioaddr, bool enable) } static void dwmac4_update_vlan_hash(struct mac_device_info *hw, u32 hash, - __le16 perfect_match, bool is_double) + u16 perfect_match, bool is_double) { void __iomem *ioaddr = hw->pcsr; u32 value; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c index dd73f38ec0..813327d04c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c @@ -582,7 +582,7 @@ static int dwxgmac2_rss_configure(struct mac_device_info *hw, } static void dwxgmac2_update_vlan_hash(struct mac_device_info *hw, u32 hash, - __le16 perfect_match, bool is_double) + u16 perfect_match, bool is_double) { void __iomem *ioaddr = hw->pcsr; diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h index 58e5c6c428..414b63d5b9 100644 --- a/drivers/net/ethernet/stmicro/stmmac/hwif.h +++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h @@ -370,7 +370,7 @@ struct stmmac_ops { struct stmmac_rss *cfg, u32 num_rxq); /* VLAN */ void (*update_vlan_hash)(struct mac_device_info *hw, u32 hash, - __le16 perfect_match, bool is_double); + u16 perfect_match, bool is_double); void (*enable_vlan)(struct mac_device_info *hw, u32 type); int (*add_hw_vlan_rx_fltr)(struct net_device *dev, struct mac_device_info *hw, diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c index 2c6245b228..0d3d7874f0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c @@ -176,6 +176,7 @@ static void timestamp_interrupt(struct stmmac_priv *priv) { u32 num_snapshot, ts_status, tsync_int; struct ptp_clock_event event; + u32 acr_value, channel; unsigned long flags; u64 ptp_time; int i; @@ -201,12 +202,15 @@ static void timestamp_interrupt(struct stmmac_priv *priv) num_snapshot = (ts_status & GMAC_TIMESTAMP_ATSNS_MASK) >> GMAC_TIMESTAMP_ATSNS_SHIFT; + acr_value = readl(priv->ptpaddr + PTP_ACR); + channel = ilog2(FIELD_GET(PTP_ACR_MASK, acr_value)); + for (i = 0; i < num_snapshot; i++) { spin_lock_irqsave(&priv->ptp_lock, flags); get_ptptime(priv->ptpaddr, &ptp_time); spin_unlock_irqrestore(&priv->ptp_lock, flags); event.type = PTP_CLOCK_EXTTS; - event.index = 0; + event.index = channel; event.timestamp = ptp_time; ptp_clock_event(priv->ptp_clock, &event); } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index b0ab8f6986..2478caeec7 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1286,6 +1286,8 @@ static int stmmac_phy_setup(struct stmmac_priv *priv) if (!fwnode) fwnode = dev_fwnode(priv->device); + priv->phylink_config.mac_managed_pm = true; + phylink = phylink_create(&priv->phylink_config, fwnode, mode, &stmmac_phylink_mac_ops); if (IS_ERR(phylink)) @@ -3648,6 +3650,7 @@ static int stmmac_request_irq_single(struct net_device *dev) /* Request the Wake IRQ in case of another line * is used for WoL */ + priv->wol_irq_disabled = true; if (priv->wol_irq > 0 && priv->wol_irq != dev->irq) { ret = request_irq(priv->wol_irq, stmmac_interrupt, IRQF_SHARED, dev->name, dev); @@ -4108,11 +4111,6 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev) if (dma_mapping_error(priv->device, des)) goto dma_map_err; - tx_q->tx_skbuff_dma[first_entry].buf = des; - tx_q->tx_skbuff_dma[first_entry].len = skb_headlen(skb); - tx_q->tx_skbuff_dma[first_entry].map_as_page = false; - tx_q->tx_skbuff_dma[first_entry].buf_type = STMMAC_TXBUF_T_SKB; - if (priv->dma_cap.addr64 <= 32) { first->des0 = cpu_to_le32(des); @@ -4131,6 +4129,23 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev) stmmac_tso_allocator(priv, des, tmp_pay_len, (nfrags == 0), queue); + /* In case two or more DMA transmit descriptors are allocated for this + * non-paged SKB data, the DMA buffer address should be saved to + * tx_q->tx_skbuff_dma[].buf corresponding to the last descriptor, + * and leave the other tx_q->tx_skbuff_dma[].buf as NULL to guarantee + * that stmmac_tx_clean() does not unmap the entire DMA buffer too early + * since the tail areas of the DMA buffer can be accessed by DMA engine + * sooner or later. + * By saving the DMA buffer address to tx_q->tx_skbuff_dma[].buf + * corresponding to the last descriptor, stmmac_tx_clean() will unmap + * this DMA buffer right after the DMA engine completely finishes the + * full buffer transmission. + */ + tx_q->tx_skbuff_dma[tx_q->cur_tx].buf = des; + tx_q->tx_skbuff_dma[tx_q->cur_tx].len = skb_headlen(skb); + tx_q->tx_skbuff_dma[tx_q->cur_tx].map_as_page = false; + tx_q->tx_skbuff_dma[tx_q->cur_tx].buf_type = STMMAC_TXBUF_T_SKB; + /* Prepare fragments */ for (i = 0; i < nfrags; i++) { const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; @@ -5043,16 +5058,8 @@ static int stmmac_rx_zc(struct stmmac_priv *priv, int limit, u32 queue) buf1_len = stmmac_rx_buf1_len(priv, p, status, len); len += buf1_len; - /* ACS is set; GMAC core strips PAD/FCS for IEEE 802.3 - * Type frames (LLC/LLC-SNAP) - * - * llc_snap is never checked in GMAC >= 4, so this ACS - * feature is always disabled and packets need to be - * stripped manually. - */ - if (likely(!(status & rx_not_ls)) && - (likely(priv->synopsys_id >= DWMAC_CORE_4_00) || - unlikely(status != llc_snap))) { + /* ACS is disabled; strip manually. */ + if (likely(!(status & rx_not_ls))) { buf1_len -= ETH_FCS_LEN; len -= ETH_FCS_LEN; } @@ -5229,22 +5236,15 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) buf2_len = stmmac_rx_buf2_len(priv, p, status, len); len += buf2_len; - /* ACS is set; GMAC core strips PAD/FCS for IEEE 802.3 - * Type frames (LLC/LLC-SNAP) - * - * llc_snap is never checked in GMAC >= 4, so this ACS - * feature is always disabled and packets need to be - * stripped manually. - */ - if (likely(!(status & rx_not_ls)) && - (likely(priv->synopsys_id >= DWMAC_CORE_4_00) || - unlikely(status != llc_snap))) { - if (buf2_len) + /* ACS is disabled; strip manually. */ + if (likely(!(status & rx_not_ls))) { + if (buf2_len) { buf2_len -= ETH_FCS_LEN; - else + len -= ETH_FCS_LEN; + } else if (buf1_len) { buf1_len -= ETH_FCS_LEN; - - len -= ETH_FCS_LEN; + len -= ETH_FCS_LEN; + } } if (!skb) { @@ -6237,7 +6237,7 @@ static u32 stmmac_vid_crc32_le(__le16 vid_le) static int stmmac_vlan_update(struct stmmac_priv *priv, bool is_double) { u32 crc, hash = 0; - __le16 pmatch = 0; + u16 pmatch = 0; int count = 0; u16 vid = 0; @@ -6252,7 +6252,7 @@ static int stmmac_vlan_update(struct stmmac_priv *priv, bool is_double) if (count > 2) /* VID = 0 always passes filter */ return -EOPNOTSUPP; - pmatch = cpu_to_le16(vid); + pmatch = vid; hash = 0; } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index 08cffc0558..5520f5a539 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -341,10 +341,11 @@ static int tc_setup_cbs(struct stmmac_priv *priv, struct tc_cbs_qopt_offload *qopt) { u32 tx_queues_count = priv->plat->tx_queues_to_use; + s64 port_transmit_rate_kbps; u32 queue = qopt->queue; - u32 ptr, speed_div; u32 mode_to_use; u64 value; + u32 ptr; int ret; /* Queue 0 is not AVB capable */ @@ -353,30 +354,30 @@ static int tc_setup_cbs(struct stmmac_priv *priv, if (!priv->dma_cap.av) return -EOPNOTSUPP; - /* Port Transmit Rate and Speed Divider */ - switch (priv->speed) { - case SPEED_10000: - ptr = 32; - speed_div = 10000000; - break; - case SPEED_5000: - ptr = 32; - speed_div = 5000000; - break; - case SPEED_2500: - ptr = 8; - speed_div = 2500000; - break; - case SPEED_1000: - ptr = 8; - speed_div = 1000000; - break; - case SPEED_100: - ptr = 4; - speed_div = 100000; - break; - default: - return -EOPNOTSUPP; + port_transmit_rate_kbps = qopt->idleslope - qopt->sendslope; + + if (qopt->enable) { + /* Port Transmit Rate and Speed Divider */ + switch (div_s64(port_transmit_rate_kbps, 1000)) { + case SPEED_10000: + case SPEED_5000: + ptr = 32; + break; + case SPEED_2500: + case SPEED_1000: + ptr = 8; + break; + case SPEED_100: + ptr = 4; + break; + default: + netdev_err(priv->dev, + "Invalid portTransmitRate %lld (idleSlope - sendSlope)\n", + port_transmit_rate_kbps); + return -EINVAL; + } + } else { + ptr = 0; } mode_to_use = priv->plat->tx_queues_cfg[queue].mode_to_use; @@ -393,13 +394,14 @@ static int tc_setup_cbs(struct stmmac_priv *priv, return ret; priv->plat->tx_queues_cfg[queue].mode_to_use = MTL_QUEUE_DCB; + return 0; } /* Final adjustments for HW */ - value = div_s64(qopt->idleslope * 1024ll * ptr, speed_div); + value = div_s64(qopt->idleslope * 1024ll * ptr, port_transmit_rate_kbps); priv->plat->tx_queues_cfg[queue].idle_slope = value & GENMASK(31, 0); - value = div_s64(-qopt->sendslope * 1024ll * ptr, speed_div); + value = div_s64(-qopt->sendslope * 1024ll * ptr, port_transmit_rate_kbps); priv->plat->tx_queues_cfg[queue].send_slope = value & GENMASK(31, 0); value = qopt->hicredit * 1024ll * 8; diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet.h b/drivers/net/ethernet/xilinx/xilinx_axienet.h index 5b4d153b14..54087ce1c0 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet.h +++ b/drivers/net/ethernet/xilinx/xilinx_axienet.h @@ -119,11 +119,11 @@ #define XAXIDMA_IRQ_ERROR_MASK 0x00004000 /* Error interrupt */ #define XAXIDMA_IRQ_ALL_MASK 0x00007000 /* All interrupts */ -/* Default TX/RX Threshold and waitbound values for SGDMA mode */ +/* Default TX/RX Threshold and delay timer values for SGDMA mode */ #define XAXIDMA_DFT_TX_THRESHOLD 24 -#define XAXIDMA_DFT_TX_WAITBOUND 254 -#define XAXIDMA_DFT_RX_THRESHOLD 24 -#define XAXIDMA_DFT_RX_WAITBOUND 254 +#define XAXIDMA_DFT_TX_USEC 50 +#define XAXIDMA_DFT_RX_THRESHOLD 1 +#define XAXIDMA_DFT_RX_USEC 50 #define XAXIDMA_BD_CTRL_TXSOF_MASK 0x08000000 /* First tx packet */ #define XAXIDMA_BD_CTRL_TXEOF_MASK 0x04000000 /* Last tx packet */ @@ -159,16 +159,17 @@ #define XAE_RCW1_OFFSET 0x00000404 /* Rx Configuration Word 1 */ #define XAE_TC_OFFSET 0x00000408 /* Tx Configuration */ #define XAE_FCC_OFFSET 0x0000040C /* Flow Control Configuration */ -#define XAE_EMMC_OFFSET 0x00000410 /* EMAC mode configuration */ -#define XAE_PHYC_OFFSET 0x00000414 /* RGMII/SGMII configuration */ +#define XAE_EMMC_OFFSET 0x00000410 /* MAC speed configuration */ +#define XAE_PHYC_OFFSET 0x00000414 /* RX Max Frame Configuration */ #define XAE_ID_OFFSET 0x000004F8 /* Identification register */ -#define XAE_MDIO_MC_OFFSET 0x00000500 /* MII Management Config */ -#define XAE_MDIO_MCR_OFFSET 0x00000504 /* MII Management Control */ -#define XAE_MDIO_MWD_OFFSET 0x00000508 /* MII Management Write Data */ -#define XAE_MDIO_MRD_OFFSET 0x0000050C /* MII Management Read Data */ +#define XAE_MDIO_MC_OFFSET 0x00000500 /* MDIO Setup */ +#define XAE_MDIO_MCR_OFFSET 0x00000504 /* MDIO Control */ +#define XAE_MDIO_MWD_OFFSET 0x00000508 /* MDIO Write Data */ +#define XAE_MDIO_MRD_OFFSET 0x0000050C /* MDIO Read Data */ #define XAE_UAW0_OFFSET 0x00000700 /* Unicast address word 0 */ #define XAE_UAW1_OFFSET 0x00000704 /* Unicast address word 1 */ -#define XAE_FMI_OFFSET 0x00000708 /* Filter Mask Index */ +#define XAE_FMI_OFFSET 0x00000708 /* Frame Filter Control */ +#define XAE_FFE_OFFSET 0x0000070C /* Frame Filter Enable */ #define XAE_AF0_OFFSET 0x00000710 /* Address Filter 0 */ #define XAE_AF1_OFFSET 0x00000714 /* Address Filter 1 */ @@ -307,7 +308,7 @@ */ #define XAE_UAW1_UNICASTADDR_MASK 0x0000FFFF -/* Bit masks for Axi Ethernet FMI register */ +/* Bit masks for Axi Ethernet FMC register */ #define XAE_FMI_PM_MASK 0x80000000 /* Promis. mode enable */ #define XAE_FMI_IND_MASK 0x00000003 /* Index Mask */ @@ -394,6 +395,28 @@ struct axidma_bd { * @regs_start: Resource start for axienet device addresses * @regs: Base address for the axienet_local device address space * @dma_regs: Base address for the axidma device address space + * @napi_rx: NAPI RX control structure + * @rx_dma_cr: Nominal content of RX DMA control register + * @rx_bd_v: Virtual address of the RX buffer descriptor ring + * @rx_bd_p: Physical address(start address) of the RX buffer descr. ring + * @rx_bd_num: Size of RX buffer descriptor ring + * @rx_bd_ci: Stores the index of the Rx buffer descriptor in the ring being + * accessed currently. + * @rx_packets: RX packet count for statistics + * @rx_bytes: RX byte count for statistics + * @rx_stat_sync: Synchronization object for RX stats + * @napi_tx: NAPI TX control structure + * @tx_dma_cr: Nominal content of TX DMA control register + * @tx_bd_v: Virtual address of the TX buffer descriptor ring + * @tx_bd_p: Physical address(start address) of the TX buffer descr. ring + * @tx_bd_num: Size of TX buffer descriptor ring + * @tx_bd_ci: Stores the next Tx buffer descriptor in the ring that may be + * complete. Only updated at runtime by TX NAPI poll. + * @tx_bd_tail: Stores the index of the next Tx buffer descriptor in the ring + * to be populated. + * @tx_packets: TX packet count for statistics + * @tx_bytes: TX byte count for statistics + * @tx_stat_sync: Synchronization object for TX stats * @dma_err_task: Work structure to process Axi DMA errors * @tx_irq: Axidma TX IRQ number * @rx_irq: Axidma RX IRQ number @@ -401,19 +424,6 @@ struct axidma_bd { * @phy_mode: Phy type to identify between MII/GMII/RGMII/SGMII/1000 Base-X * @options: AxiEthernet option word * @features: Stores the extended features supported by the axienet hw - * @tx_bd_v: Virtual address of the TX buffer descriptor ring - * @tx_bd_p: Physical address(start address) of the TX buffer descr. ring - * @tx_bd_num: Size of TX buffer descriptor ring - * @rx_bd_v: Virtual address of the RX buffer descriptor ring - * @rx_bd_p: Physical address(start address) of the RX buffer descr. ring - * @rx_bd_num: Size of RX buffer descriptor ring - * @tx_bd_ci: Stores the index of the Tx buffer descriptor in the ring being - * accessed currently. Used while alloc. BDs before a TX starts - * @tx_bd_tail: Stores the index of the Tx buffer descriptor in the ring being - * accessed currently. Used while processing BDs after the TX - * completed. - * @rx_bd_ci: Stores the index of the Rx buffer descriptor in the ring being - * accessed currently. * @max_frm_size: Stores the maximum size of the frame that can be that * Txed/Rxed in the existing hardware. If jumbo option is * supported, the maximum frame size would be 9k. Else it is @@ -422,7 +432,9 @@ struct axidma_bd { * @csum_offload_on_tx_path: Stores the checksum selection on TX side. * @csum_offload_on_rx_path: Stores the checksum selection on RX side. * @coalesce_count_rx: Store the irq coalesce on RX side. + * @coalesce_usec_rx: IRQ coalesce delay for RX * @coalesce_count_tx: Store the irq coalesce on TX side. + * @coalesce_usec_tx: IRQ coalesce delay for TX */ struct axienet_local { struct net_device *ndev; @@ -447,6 +459,27 @@ struct axienet_local { void __iomem *regs; void __iomem *dma_regs; + struct napi_struct napi_rx; + u32 rx_dma_cr; + struct axidma_bd *rx_bd_v; + dma_addr_t rx_bd_p; + u32 rx_bd_num; + u32 rx_bd_ci; + u64_stats_t rx_packets; + u64_stats_t rx_bytes; + struct u64_stats_sync rx_stat_sync; + + struct napi_struct napi_tx; + u32 tx_dma_cr; + struct axidma_bd *tx_bd_v; + dma_addr_t tx_bd_p; + u32 tx_bd_num; + u32 tx_bd_ci; + u32 tx_bd_tail; + u64_stats_t tx_packets; + u64_stats_t tx_bytes; + struct u64_stats_sync tx_stat_sync; + struct work_struct dma_err_task; int tx_irq; @@ -457,16 +490,6 @@ struct axienet_local { u32 options; u32 features; - struct axidma_bd *tx_bd_v; - dma_addr_t tx_bd_p; - u32 tx_bd_num; - struct axidma_bd *rx_bd_v; - dma_addr_t rx_bd_p; - u32 rx_bd_num; - u32 tx_bd_ci; - u32 tx_bd_tail; - u32 rx_bd_ci; - u32 max_frm_size; u32 rxmem; @@ -474,7 +497,9 @@ struct axienet_local { int csum_offload_on_rx_path; u32 coalesce_count_rx; + u32 coalesce_usec_rx; u32 coalesce_count_tx; + u32 coalesce_usec_tx; }; /** diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 63f33126d0..56a970357f 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -7,7 +7,7 @@ * Copyright (c) 2008-2009 Secret Lab Technologies Ltd. * Copyright (c) 2010 - 2011 Michal Simek * Copyright (c) 2010 - 2011 PetaLogix - * Copyright (c) 2019 SED Systems, a division of Calian Ltd. + * Copyright (c) 2019 - 2022 Calian Advanced Technologies * Copyright (c) 2010 - 2012 Xilinx, Inc. All rights reserved. * * This is a driver for the Xilinx Axi Ethernet which is used in the Virtex6 @@ -33,7 +33,7 @@ #include #include #include -#include +#include #include #include #include @@ -190,7 +190,7 @@ static void axienet_dma_bd_release(struct net_device *ndev) struct axienet_local *lp = netdev_priv(ndev); /* If we end up here, tx_bd_v must have been DMA allocated. */ - dma_free_coherent(ndev->dev.parent, + dma_free_coherent(lp->dev, sizeof(*lp->tx_bd_v) * lp->tx_bd_num, lp->tx_bd_v, lp->tx_bd_p); @@ -215,17 +215,87 @@ static void axienet_dma_bd_release(struct net_device *ndev) */ if (lp->rx_bd_v[i].cntrl) { phys = desc_get_phys_addr(lp, &lp->rx_bd_v[i]); - dma_unmap_single(ndev->dev.parent, phys, + dma_unmap_single(lp->dev, phys, lp->max_frm_size, DMA_FROM_DEVICE); } } - dma_free_coherent(ndev->dev.parent, + dma_free_coherent(lp->dev, sizeof(*lp->rx_bd_v) * lp->rx_bd_num, lp->rx_bd_v, lp->rx_bd_p); } +/** + * axienet_usec_to_timer - Calculate IRQ delay timer value + * @lp: Pointer to the axienet_local structure + * @coalesce_usec: Microseconds to convert into timer value + */ +static u32 axienet_usec_to_timer(struct axienet_local *lp, u32 coalesce_usec) +{ + u32 result; + u64 clk_rate = 125000000; /* arbitrary guess if no clock rate set */ + + if (lp->axi_clk) + clk_rate = clk_get_rate(lp->axi_clk); + + /* 1 Timeout Interval = 125 * (clock period of SG clock) */ + result = DIV64_U64_ROUND_CLOSEST((u64)coalesce_usec * clk_rate, + (u64)125000000); + if (result > 255) + result = 255; + + return result; +} + +/** + * axienet_dma_start - Set up DMA registers and start DMA operation + * @lp: Pointer to the axienet_local structure + */ +static void axienet_dma_start(struct axienet_local *lp) +{ + /* Start updating the Rx channel control register */ + lp->rx_dma_cr = (lp->coalesce_count_rx << XAXIDMA_COALESCE_SHIFT) | + XAXIDMA_IRQ_IOC_MASK | XAXIDMA_IRQ_ERROR_MASK; + /* Only set interrupt delay timer if not generating an interrupt on + * the first RX packet. Otherwise leave at 0 to disable delay interrupt. + */ + if (lp->coalesce_count_rx > 1) + lp->rx_dma_cr |= (axienet_usec_to_timer(lp, lp->coalesce_usec_rx) + << XAXIDMA_DELAY_SHIFT) | + XAXIDMA_IRQ_DELAY_MASK; + axienet_dma_out32(lp, XAXIDMA_RX_CR_OFFSET, lp->rx_dma_cr); + + /* Start updating the Tx channel control register */ + lp->tx_dma_cr = (lp->coalesce_count_tx << XAXIDMA_COALESCE_SHIFT) | + XAXIDMA_IRQ_IOC_MASK | XAXIDMA_IRQ_ERROR_MASK; + /* Only set interrupt delay timer if not generating an interrupt on + * the first TX packet. Otherwise leave at 0 to disable delay interrupt. + */ + if (lp->coalesce_count_tx > 1) + lp->tx_dma_cr |= (axienet_usec_to_timer(lp, lp->coalesce_usec_tx) + << XAXIDMA_DELAY_SHIFT) | + XAXIDMA_IRQ_DELAY_MASK; + axienet_dma_out32(lp, XAXIDMA_TX_CR_OFFSET, lp->tx_dma_cr); + + /* Populate the tail pointer and bring the Rx Axi DMA engine out of + * halted state. This will make the Rx side ready for reception. + */ + axienet_dma_out_addr(lp, XAXIDMA_RX_CDESC_OFFSET, lp->rx_bd_p); + lp->rx_dma_cr |= XAXIDMA_CR_RUNSTOP_MASK; + axienet_dma_out32(lp, XAXIDMA_RX_CR_OFFSET, lp->rx_dma_cr); + axienet_dma_out_addr(lp, XAXIDMA_RX_TDESC_OFFSET, lp->rx_bd_p + + (sizeof(*lp->rx_bd_v) * (lp->rx_bd_num - 1))); + + /* Write to the RS (Run-stop) bit in the Tx channel control register. + * Tx channel is now ready to run. But only after we write to the + * tail pointer register that the Tx channel will start transmitting. + */ + axienet_dma_out_addr(lp, XAXIDMA_TX_CDESC_OFFSET, lp->tx_bd_p); + lp->tx_dma_cr |= XAXIDMA_CR_RUNSTOP_MASK; + axienet_dma_out32(lp, XAXIDMA_TX_CR_OFFSET, lp->tx_dma_cr); +} + /** * axienet_dma_bd_init - Setup buffer descriptor rings for Axi DMA * @ndev: Pointer to the net_device structure @@ -238,7 +308,6 @@ static void axienet_dma_bd_release(struct net_device *ndev) */ static int axienet_dma_bd_init(struct net_device *ndev) { - u32 cr; int i; struct sk_buff *skb; struct axienet_local *lp = netdev_priv(ndev); @@ -249,13 +318,13 @@ static int axienet_dma_bd_init(struct net_device *ndev) lp->rx_bd_ci = 0; /* Allocate the Tx and Rx buffer descriptors. */ - lp->tx_bd_v = dma_alloc_coherent(ndev->dev.parent, + lp->tx_bd_v = dma_alloc_coherent(lp->dev, sizeof(*lp->tx_bd_v) * lp->tx_bd_num, &lp->tx_bd_p, GFP_KERNEL); if (!lp->tx_bd_v) return -ENOMEM; - lp->rx_bd_v = dma_alloc_coherent(ndev->dev.parent, + lp->rx_bd_v = dma_alloc_coherent(lp->dev, sizeof(*lp->rx_bd_v) * lp->rx_bd_num, &lp->rx_bd_p, GFP_KERNEL); if (!lp->rx_bd_v) @@ -285,9 +354,9 @@ static int axienet_dma_bd_init(struct net_device *ndev) goto out; lp->rx_bd_v[i].skb = skb; - addr = dma_map_single(ndev->dev.parent, skb->data, + addr = dma_map_single(lp->dev, skb->data, lp->max_frm_size, DMA_FROM_DEVICE); - if (dma_mapping_error(ndev->dev.parent, addr)) { + if (dma_mapping_error(lp->dev, addr)) { netdev_err(ndev, "DMA mapping error\n"); goto out; } @@ -296,50 +365,7 @@ static int axienet_dma_bd_init(struct net_device *ndev) lp->rx_bd_v[i].cntrl = lp->max_frm_size; } - /* Start updating the Rx channel control register */ - cr = axienet_dma_in32(lp, XAXIDMA_RX_CR_OFFSET); - /* Update the interrupt coalesce count */ - cr = ((cr & ~XAXIDMA_COALESCE_MASK) | - ((lp->coalesce_count_rx) << XAXIDMA_COALESCE_SHIFT)); - /* Update the delay timer count */ - cr = ((cr & ~XAXIDMA_DELAY_MASK) | - (XAXIDMA_DFT_RX_WAITBOUND << XAXIDMA_DELAY_SHIFT)); - /* Enable coalesce, delay timer and error interrupts */ - cr |= XAXIDMA_IRQ_ALL_MASK; - /* Write to the Rx channel control register */ - axienet_dma_out32(lp, XAXIDMA_RX_CR_OFFSET, cr); - - /* Start updating the Tx channel control register */ - cr = axienet_dma_in32(lp, XAXIDMA_TX_CR_OFFSET); - /* Update the interrupt coalesce count */ - cr = (((cr & ~XAXIDMA_COALESCE_MASK)) | - ((lp->coalesce_count_tx) << XAXIDMA_COALESCE_SHIFT)); - /* Update the delay timer count */ - cr = (((cr & ~XAXIDMA_DELAY_MASK)) | - (XAXIDMA_DFT_TX_WAITBOUND << XAXIDMA_DELAY_SHIFT)); - /* Enable coalesce, delay timer and error interrupts */ - cr |= XAXIDMA_IRQ_ALL_MASK; - /* Write to the Tx channel control register */ - axienet_dma_out32(lp, XAXIDMA_TX_CR_OFFSET, cr); - - /* Populate the tail pointer and bring the Rx Axi DMA engine out of - * halted state. This will make the Rx side ready for reception. - */ - axienet_dma_out_addr(lp, XAXIDMA_RX_CDESC_OFFSET, lp->rx_bd_p); - cr = axienet_dma_in32(lp, XAXIDMA_RX_CR_OFFSET); - axienet_dma_out32(lp, XAXIDMA_RX_CR_OFFSET, - cr | XAXIDMA_CR_RUNSTOP_MASK); - axienet_dma_out_addr(lp, XAXIDMA_RX_TDESC_OFFSET, lp->rx_bd_p + - (sizeof(*lp->rx_bd_v) * (lp->rx_bd_num - 1))); - - /* Write to the RS (Run-stop) bit in the Tx channel control register. - * Tx channel is now ready to run. But only after we write to the - * tail pointer register that the Tx channel will start transmitting. - */ - axienet_dma_out_addr(lp, XAXIDMA_TX_CDESC_OFFSET, lp->tx_bd_p); - cr = axienet_dma_in32(lp, XAXIDMA_TX_CR_OFFSET); - axienet_dma_out32(lp, XAXIDMA_TX_CR_OFFSET, - cr | XAXIDMA_CR_RUNSTOP_MASK); + axienet_dma_start(lp); return 0; out: @@ -409,7 +435,7 @@ static int netdev_set_mac_address(struct net_device *ndev, void *p) */ static void axienet_set_multicast_list(struct net_device *ndev) { - int i; + int i = 0; u32 reg, af0reg, af1reg; struct axienet_local *lp = netdev_priv(ndev); @@ -427,7 +453,10 @@ static void axienet_set_multicast_list(struct net_device *ndev) } else if (!netdev_mc_empty(ndev)) { struct netdev_hw_addr *ha; - i = 0; + reg = axienet_ior(lp, XAE_FMI_OFFSET); + reg &= ~XAE_FMI_PM_MASK; + axienet_iow(lp, XAE_FMI_OFFSET, reg); + netdev_for_each_mc_addr(ha, ndev) { if (i >= XAE_MULTICAST_CAM_TABLE_NUM) break; @@ -446,6 +475,7 @@ static void axienet_set_multicast_list(struct net_device *ndev) axienet_iow(lp, XAE_FMI_OFFSET, reg); axienet_iow(lp, XAE_AF0_OFFSET, af0reg); axienet_iow(lp, XAE_AF1_OFFSET, af1reg); + axienet_iow(lp, XAE_FFE_OFFSET, 1); i++; } } else { @@ -453,18 +483,15 @@ static void axienet_set_multicast_list(struct net_device *ndev) reg &= ~XAE_FMI_PM_MASK; axienet_iow(lp, XAE_FMI_OFFSET, reg); - - for (i = 0; i < XAE_MULTICAST_CAM_TABLE_NUM; i++) { - reg = axienet_ior(lp, XAE_FMI_OFFSET) & 0xFFFFFF00; - reg |= i; - - axienet_iow(lp, XAE_FMI_OFFSET, reg); - axienet_iow(lp, XAE_AF0_OFFSET, 0); - axienet_iow(lp, XAE_AF1_OFFSET, 0); - } - dev_info(&ndev->dev, "Promiscuous mode disabled.\n"); } + + for (; i < XAE_MULTICAST_CAM_TABLE_NUM; i++) { + reg = axienet_ior(lp, XAE_FMI_OFFSET) & 0xFFFFFF00; + reg |= i; + axienet_iow(lp, XAE_FMI_OFFSET, reg); + axienet_iow(lp, XAE_FFE_OFFSET, 0); + } } /** @@ -530,6 +557,44 @@ static int __axienet_device_reset(struct axienet_local *lp) return 0; } +/** + * axienet_dma_stop - Stop DMA operation + * @lp: Pointer to the axienet_local structure + */ +static void axienet_dma_stop(struct axienet_local *lp) +{ + int count; + u32 cr, sr; + + cr = axienet_dma_in32(lp, XAXIDMA_RX_CR_OFFSET); + cr &= ~(XAXIDMA_CR_RUNSTOP_MASK | XAXIDMA_IRQ_ALL_MASK); + axienet_dma_out32(lp, XAXIDMA_RX_CR_OFFSET, cr); + synchronize_irq(lp->rx_irq); + + cr = axienet_dma_in32(lp, XAXIDMA_TX_CR_OFFSET); + cr &= ~(XAXIDMA_CR_RUNSTOP_MASK | XAXIDMA_IRQ_ALL_MASK); + axienet_dma_out32(lp, XAXIDMA_TX_CR_OFFSET, cr); + synchronize_irq(lp->tx_irq); + + /* Give DMAs a chance to halt gracefully */ + sr = axienet_dma_in32(lp, XAXIDMA_RX_SR_OFFSET); + for (count = 0; !(sr & XAXIDMA_SR_HALT_MASK) && count < 5; ++count) { + msleep(20); + sr = axienet_dma_in32(lp, XAXIDMA_RX_SR_OFFSET); + } + + sr = axienet_dma_in32(lp, XAXIDMA_TX_SR_OFFSET); + for (count = 0; !(sr & XAXIDMA_SR_HALT_MASK) && count < 5; ++count) { + msleep(20); + sr = axienet_dma_in32(lp, XAXIDMA_TX_SR_OFFSET); + } + + /* Do a reset to ensure DMA is really stopped */ + axienet_lock_mii(lp); + __axienet_device_reset(lp); + axienet_unlock_mii(lp); +} + /** * axienet_device_reset - Reset and initialize the Axi Ethernet hardware. * @ndev: Pointer to the net_device structure @@ -600,48 +665,47 @@ static int axienet_device_reset(struct net_device *ndev) /** * axienet_free_tx_chain - Clean up a series of linked TX descriptors. - * @ndev: Pointer to the net_device structure + * @lp: Pointer to the axienet_local structure * @first_bd: Index of first descriptor to clean up - * @nr_bds: Number of descriptors to clean up, can be -1 if unknown. + * @nr_bds: Max number of descriptors to clean up + * @force: Whether to clean descriptors even if not complete * @sizep: Pointer to a u32 filled with the total sum of all bytes * in all cleaned-up descriptors. Ignored if NULL. + * @budget: NAPI budget (use 0 when not called from NAPI poll) * * Would either be called after a successful transmit operation, or after * there was an error when setting up the chain. - * Returns the number of descriptors handled. + * Returns the number of packets handled. */ -static int axienet_free_tx_chain(struct net_device *ndev, u32 first_bd, - int nr_bds, u32 *sizep) +static int axienet_free_tx_chain(struct axienet_local *lp, u32 first_bd, + int nr_bds, bool force, u32 *sizep, int budget) { - struct axienet_local *lp = netdev_priv(ndev); struct axidma_bd *cur_p; - int max_bds = nr_bds; unsigned int status; + int i, packets = 0; dma_addr_t phys; - int i; - if (max_bds == -1) - max_bds = lp->tx_bd_num; - - for (i = 0; i < max_bds; i++) { + for (i = 0; i < nr_bds; i++) { cur_p = &lp->tx_bd_v[(first_bd + i) % lp->tx_bd_num]; status = cur_p->status; - /* If no number is given, clean up *all* descriptors that have - * been completed by the MAC. + /* If force is not specified, clean up only descriptors + * that have been completed by the MAC. */ - if (nr_bds == -1 && !(status & XAXIDMA_BD_STS_COMPLETE_MASK)) + if (!force && !(status & XAXIDMA_BD_STS_COMPLETE_MASK)) break; /* Ensure we see complete descriptor update */ dma_rmb(); phys = desc_get_phys_addr(lp, cur_p); - dma_unmap_single(ndev->dev.parent, phys, + dma_unmap_single(lp->dev, phys, (cur_p->cntrl & XAXIDMA_BD_CTRL_LENGTH_MASK), DMA_TO_DEVICE); - if (cur_p->skb && (status & XAXIDMA_BD_STS_COMPLETE_MASK)) - dev_consume_skb_irq(cur_p->skb); + if (cur_p->skb && (status & XAXIDMA_BD_STS_COMPLETE_MASK)) { + napi_consume_skb(cur_p->skb, budget); + packets++; + } cur_p->app0 = 0; cur_p->app1 = 0; @@ -657,7 +721,13 @@ static int axienet_free_tx_chain(struct net_device *ndev, u32 first_bd, *sizep += status & XAXIDMA_BD_STS_ACTUAL_LEN_MASK; } - return i; + if (!force) { + lp->tx_bd_ci += i; + if (lp->tx_bd_ci >= lp->tx_bd_num) + lp->tx_bd_ci %= lp->tx_bd_num; + } + + return packets; } /** @@ -671,52 +741,67 @@ static int axienet_free_tx_chain(struct net_device *ndev, u32 first_bd, * This function is invoked before BDs are allocated and transmission starts. * This function returns 0 if a BD or group of BDs can be allocated for * transmission. If the BD or any of the BDs are not free the function - * returns a busy status. This is invoked from axienet_start_xmit. + * returns a busy status. */ static inline int axienet_check_tx_bd_space(struct axienet_local *lp, int num_frag) { struct axidma_bd *cur_p; - /* Ensure we see all descriptor updates from device or TX IRQ path */ + /* Ensure we see all descriptor updates from device or TX polling */ rmb(); - cur_p = &lp->tx_bd_v[(lp->tx_bd_tail + num_frag) % lp->tx_bd_num]; + cur_p = &lp->tx_bd_v[(READ_ONCE(lp->tx_bd_tail) + num_frag) % + lp->tx_bd_num]; if (cur_p->cntrl) return NETDEV_TX_BUSY; return 0; } /** - * axienet_start_xmit_done - Invoked once a transmit is completed by the + * axienet_tx_poll - Invoked once a transmit is completed by the * Axi DMA Tx channel. - * @ndev: Pointer to the net_device structure + * @napi: Pointer to NAPI structure. + * @budget: Max number of TX packets to process. + * + * Return: Number of TX packets processed. * - * This function is invoked from the Axi DMA Tx isr to notify the completion + * This function is invoked from the NAPI processing to notify the completion * of transmit operation. It clears fields in the corresponding Tx BDs and * unmaps the corresponding buffer so that CPU can regain ownership of the * buffer. It finally invokes "netif_wake_queue" to restart transmission if * required. */ -static void axienet_start_xmit_done(struct net_device *ndev) +static int axienet_tx_poll(struct napi_struct *napi, int budget) { - struct axienet_local *lp = netdev_priv(ndev); - u32 packets = 0; + struct axienet_local *lp = container_of(napi, struct axienet_local, napi_tx); + struct net_device *ndev = lp->ndev; u32 size = 0; + int packets; - packets = axienet_free_tx_chain(ndev, lp->tx_bd_ci, -1, &size); + packets = axienet_free_tx_chain(lp, lp->tx_bd_ci, lp->tx_bd_num, false, + &size, budget); - lp->tx_bd_ci += packets; - if (lp->tx_bd_ci >= lp->tx_bd_num) - lp->tx_bd_ci -= lp->tx_bd_num; + if (packets) { + u64_stats_update_begin(&lp->tx_stat_sync); + u64_stats_add(&lp->tx_packets, packets); + u64_stats_add(&lp->tx_bytes, size); + u64_stats_update_end(&lp->tx_stat_sync); - ndev->stats.tx_packets += packets; - ndev->stats.tx_bytes += size; + /* Matches barrier in axienet_start_xmit */ + smp_mb(); - /* Matches barrier in axienet_start_xmit */ - smp_mb(); + if (!axienet_check_tx_bd_space(lp, MAX_SKB_FRAGS + 1)) + netif_wake_queue(ndev); + } - if (!axienet_check_tx_bd_space(lp, MAX_SKB_FRAGS + 1)) - netif_wake_queue(ndev); + if (packets < budget && napi_complete_done(napi, packets)) { + /* Re-enable TX completion interrupts. This should + * cause an immediate interrupt if any TX packets are + * already pending. + */ + axienet_dma_out32(lp, XAXIDMA_TX_CR_OFFSET, lp->tx_dma_cr); + } + return packets; } /** @@ -741,12 +826,15 @@ axienet_start_xmit(struct sk_buff *skb, struct net_device *ndev) u32 csum_index_off; skb_frag_t *frag; dma_addr_t tail_p, phys; + u32 orig_tail_ptr, new_tail_ptr; struct axienet_local *lp = netdev_priv(ndev); struct axidma_bd *cur_p; - u32 orig_tail_ptr = lp->tx_bd_tail; + + orig_tail_ptr = lp->tx_bd_tail; + new_tail_ptr = orig_tail_ptr; num_frag = skb_shinfo(skb)->nr_frags; - cur_p = &lp->tx_bd_v[lp->tx_bd_tail]; + cur_p = &lp->tx_bd_v[orig_tail_ptr]; if (axienet_check_tx_bd_space(lp, num_frag + 1)) { /* Should not happen as last start_xmit call should have @@ -774,34 +862,34 @@ axienet_start_xmit(struct sk_buff *skb, struct net_device *ndev) cur_p->app0 |= 2; /* Tx Full Checksum Offload Enabled */ } - phys = dma_map_single(ndev->dev.parent, skb->data, + phys = dma_map_single(lp->dev, skb->data, skb_headlen(skb), DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(ndev->dev.parent, phys))) { + if (unlikely(dma_mapping_error(lp->dev, phys))) { if (net_ratelimit()) netdev_err(ndev, "TX DMA mapping error\n"); ndev->stats.tx_dropped++; + dev_kfree_skb_any(skb); return NETDEV_TX_OK; } desc_set_phys_addr(lp, phys, cur_p); cur_p->cntrl = skb_headlen(skb) | XAXIDMA_BD_CTRL_TXSOF_MASK; for (ii = 0; ii < num_frag; ii++) { - if (++lp->tx_bd_tail >= lp->tx_bd_num) - lp->tx_bd_tail = 0; - cur_p = &lp->tx_bd_v[lp->tx_bd_tail]; + if (++new_tail_ptr >= lp->tx_bd_num) + new_tail_ptr = 0; + cur_p = &lp->tx_bd_v[new_tail_ptr]; frag = &skb_shinfo(skb)->frags[ii]; - phys = dma_map_single(ndev->dev.parent, + phys = dma_map_single(lp->dev, skb_frag_address(frag), skb_frag_size(frag), DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(ndev->dev.parent, phys))) { + if (unlikely(dma_mapping_error(lp->dev, phys))) { if (net_ratelimit()) netdev_err(ndev, "TX DMA mapping error\n"); ndev->stats.tx_dropped++; - axienet_free_tx_chain(ndev, orig_tail_ptr, ii + 1, - NULL); - lp->tx_bd_tail = orig_tail_ptr; - + axienet_free_tx_chain(lp, orig_tail_ptr, ii + 1, + true, NULL, 0); + dev_kfree_skb_any(skb); return NETDEV_TX_OK; } desc_set_phys_addr(lp, phys, cur_p); @@ -811,17 +899,19 @@ axienet_start_xmit(struct sk_buff *skb, struct net_device *ndev) cur_p->cntrl |= XAXIDMA_BD_CTRL_TXEOF_MASK; cur_p->skb = skb; - tail_p = lp->tx_bd_p + sizeof(*lp->tx_bd_v) * lp->tx_bd_tail; + tail_p = lp->tx_bd_p + sizeof(*lp->tx_bd_v) * new_tail_ptr; + if (++new_tail_ptr >= lp->tx_bd_num) + new_tail_ptr = 0; + WRITE_ONCE(lp->tx_bd_tail, new_tail_ptr); + /* Start the transfer */ axienet_dma_out_addr(lp, XAXIDMA_TX_TDESC_OFFSET, tail_p); - if (++lp->tx_bd_tail >= lp->tx_bd_num) - lp->tx_bd_tail = 0; /* Stop queue if next transmit may not have space */ if (axienet_check_tx_bd_space(lp, MAX_SKB_FRAGS + 1)) { netif_stop_queue(ndev); - /* Matches barrier in axienet_start_xmit_done */ + /* Matches barrier in axienet_tx_poll */ smp_mb(); /* Space might have just been freed - check again */ @@ -833,28 +923,26 @@ axienet_start_xmit(struct sk_buff *skb, struct net_device *ndev) } /** - * axienet_recv - Is called from Axi DMA Rx Isr to complete the received - * BD processing. - * @ndev: Pointer to net_device structure. + * axienet_rx_poll - Triggered by RX ISR to complete the BD processing. + * @napi: Pointer to NAPI structure. + * @budget: Max number of RX packets to process. * - * This function is invoked from the Axi DMA Rx isr to process the Rx BDs. It - * does minimal processing and invokes "netif_rx" to complete further - * processing. + * Return: Number of RX packets processed. */ -static void axienet_recv(struct net_device *ndev) +static int axienet_rx_poll(struct napi_struct *napi, int budget) { u32 length; u32 csumstatus; u32 size = 0; - u32 packets = 0; + int packets = 0; dma_addr_t tail_p = 0; - struct axienet_local *lp = netdev_priv(ndev); - struct sk_buff *skb, *new_skb; struct axidma_bd *cur_p; + struct sk_buff *skb, *new_skb; + struct axienet_local *lp = container_of(napi, struct axienet_local, napi_rx); cur_p = &lp->rx_bd_v[lp->rx_bd_ci]; - while ((cur_p->status & XAXIDMA_BD_STS_COMPLETE_MASK)) { + while (packets < budget && (cur_p->status & XAXIDMA_BD_STS_COMPLETE_MASK)) { dma_addr_t phys; /* Ensure we see complete descriptor update */ @@ -872,11 +960,11 @@ static void axienet_recv(struct net_device *ndev) length = cur_p->app4 & 0x0000FFFF; phys = desc_get_phys_addr(lp, cur_p); - dma_unmap_single(ndev->dev.parent, phys, lp->max_frm_size, + dma_unmap_single(lp->dev, phys, lp->max_frm_size, DMA_FROM_DEVICE); skb_put(skb, length); - skb->protocol = eth_type_trans(skb, ndev); + skb->protocol = eth_type_trans(skb, lp->ndev); /*skb_checksum_none_assert(skb);*/ skb->ip_summed = CHECKSUM_NONE; @@ -895,22 +983,22 @@ static void axienet_recv(struct net_device *ndev) skb->ip_summed = CHECKSUM_COMPLETE; } - netif_rx(skb); + napi_gro_receive(napi, skb); size += length; packets++; } - new_skb = netdev_alloc_skb_ip_align(ndev, lp->max_frm_size); + new_skb = netdev_alloc_skb_ip_align(lp->ndev, lp->max_frm_size); if (!new_skb) break; - phys = dma_map_single(ndev->dev.parent, new_skb->data, + phys = dma_map_single(lp->dev, new_skb->data, lp->max_frm_size, DMA_FROM_DEVICE); - if (unlikely(dma_mapping_error(ndev->dev.parent, phys))) { + if (unlikely(dma_mapping_error(lp->dev, phys))) { if (net_ratelimit()) - netdev_err(ndev, "RX DMA mapping error\n"); + netdev_err(lp->ndev, "RX DMA mapping error\n"); dev_kfree_skb(new_skb); break; } @@ -930,11 +1018,22 @@ static void axienet_recv(struct net_device *ndev) cur_p = &lp->rx_bd_v[lp->rx_bd_ci]; } - ndev->stats.rx_packets += packets; - ndev->stats.rx_bytes += size; + u64_stats_update_begin(&lp->rx_stat_sync); + u64_stats_add(&lp->rx_packets, packets); + u64_stats_add(&lp->rx_bytes, size); + u64_stats_update_end(&lp->rx_stat_sync); if (tail_p) axienet_dma_out_addr(lp, XAXIDMA_RX_TDESC_OFFSET, tail_p); + + if (packets < budget && napi_complete_done(napi, packets)) { + /* Re-enable RX completion interrupts. This should + * cause an immediate interrupt if any RX packets are + * already pending. + */ + axienet_dma_out32(lp, XAXIDMA_RX_CR_OFFSET, lp->rx_dma_cr); + } + return packets; } /** @@ -944,46 +1043,41 @@ static void axienet_recv(struct net_device *ndev) * * Return: IRQ_HANDLED if device generated a TX interrupt, IRQ_NONE otherwise. * - * This is the Axi DMA Tx done Isr. It invokes "axienet_start_xmit_done" - * to complete the BD processing. + * This is the Axi DMA Tx done Isr. It invokes NAPI polling to complete the + * TX BD processing. */ static irqreturn_t axienet_tx_irq(int irq, void *_ndev) { - u32 cr; unsigned int status; struct net_device *ndev = _ndev; struct axienet_local *lp = netdev_priv(ndev); status = axienet_dma_in32(lp, XAXIDMA_TX_SR_OFFSET); - if (status & (XAXIDMA_IRQ_IOC_MASK | XAXIDMA_IRQ_DELAY_MASK)) { - axienet_dma_out32(lp, XAXIDMA_TX_SR_OFFSET, status); - axienet_start_xmit_done(lp->ndev); - goto out; - } + if (!(status & XAXIDMA_IRQ_ALL_MASK)) return IRQ_NONE; - if (status & XAXIDMA_IRQ_ERROR_MASK) { - dev_err(&ndev->dev, "DMA Tx error 0x%x\n", status); - dev_err(&ndev->dev, "Current BD is at: 0x%x%08x\n", - (lp->tx_bd_v[lp->tx_bd_ci]).phys_msb, - (lp->tx_bd_v[lp->tx_bd_ci]).phys); - - cr = axienet_dma_in32(lp, XAXIDMA_TX_CR_OFFSET); - /* Disable coalesce, delay timer and error interrupts */ - cr &= (~XAXIDMA_IRQ_ALL_MASK); - /* Write to the Tx channel control register */ - axienet_dma_out32(lp, XAXIDMA_TX_CR_OFFSET, cr); - - cr = axienet_dma_in32(lp, XAXIDMA_RX_CR_OFFSET); - /* Disable coalesce, delay timer and error interrupts */ - cr &= (~XAXIDMA_IRQ_ALL_MASK); - /* Write to the Rx channel control register */ - axienet_dma_out32(lp, XAXIDMA_RX_CR_OFFSET, cr); + axienet_dma_out32(lp, XAXIDMA_TX_SR_OFFSET, status); + + if (unlikely(status & XAXIDMA_IRQ_ERROR_MASK)) { + netdev_err(ndev, "DMA Tx error 0x%x\n", status); + netdev_err(ndev, "Current BD is at: 0x%x%08x\n", + (lp->tx_bd_v[lp->tx_bd_ci]).phys_msb, + (lp->tx_bd_v[lp->tx_bd_ci]).phys); schedule_work(&lp->dma_err_task); - axienet_dma_out32(lp, XAXIDMA_TX_SR_OFFSET, status); + } else { + /* Disable further TX completion interrupts and schedule + * NAPI to handle the completions. + */ + u32 cr = lp->tx_dma_cr; + + cr &= ~(XAXIDMA_IRQ_IOC_MASK | XAXIDMA_IRQ_DELAY_MASK); + if (napi_schedule_prep(&lp->napi_tx)) { + axienet_dma_out32(lp, XAXIDMA_TX_CR_OFFSET, cr); + __napi_schedule(&lp->napi_tx); + } } -out: + return IRQ_HANDLED; } @@ -994,46 +1088,41 @@ static irqreturn_t axienet_tx_irq(int irq, void *_ndev) * * Return: IRQ_HANDLED if device generated a RX interrupt, IRQ_NONE otherwise. * - * This is the Axi DMA Rx Isr. It invokes "axienet_recv" to complete the BD + * This is the Axi DMA Rx Isr. It invokes NAPI polling to complete the RX BD * processing. */ static irqreturn_t axienet_rx_irq(int irq, void *_ndev) { - u32 cr; unsigned int status; struct net_device *ndev = _ndev; struct axienet_local *lp = netdev_priv(ndev); status = axienet_dma_in32(lp, XAXIDMA_RX_SR_OFFSET); - if (status & (XAXIDMA_IRQ_IOC_MASK | XAXIDMA_IRQ_DELAY_MASK)) { - axienet_dma_out32(lp, XAXIDMA_RX_SR_OFFSET, status); - axienet_recv(lp->ndev); - goto out; - } + if (!(status & XAXIDMA_IRQ_ALL_MASK)) return IRQ_NONE; - if (status & XAXIDMA_IRQ_ERROR_MASK) { - dev_err(&ndev->dev, "DMA Rx error 0x%x\n", status); - dev_err(&ndev->dev, "Current BD is at: 0x%x%08x\n", - (lp->rx_bd_v[lp->rx_bd_ci]).phys_msb, - (lp->rx_bd_v[lp->rx_bd_ci]).phys); - - cr = axienet_dma_in32(lp, XAXIDMA_TX_CR_OFFSET); - /* Disable coalesce, delay timer and error interrupts */ - cr &= (~XAXIDMA_IRQ_ALL_MASK); - /* Finally write to the Tx channel control register */ - axienet_dma_out32(lp, XAXIDMA_TX_CR_OFFSET, cr); - - cr = axienet_dma_in32(lp, XAXIDMA_RX_CR_OFFSET); - /* Disable coalesce, delay timer and error interrupts */ - cr &= (~XAXIDMA_IRQ_ALL_MASK); - /* write to the Rx channel control register */ - axienet_dma_out32(lp, XAXIDMA_RX_CR_OFFSET, cr); + axienet_dma_out32(lp, XAXIDMA_RX_SR_OFFSET, status); + + if (unlikely(status & XAXIDMA_IRQ_ERROR_MASK)) { + netdev_err(ndev, "DMA Rx error 0x%x\n", status); + netdev_err(ndev, "Current BD is at: 0x%x%08x\n", + (lp->rx_bd_v[lp->rx_bd_ci]).phys_msb, + (lp->rx_bd_v[lp->rx_bd_ci]).phys); schedule_work(&lp->dma_err_task); - axienet_dma_out32(lp, XAXIDMA_RX_SR_OFFSET, status); + } else { + /* Disable further RX completion interrupts and schedule + * NAPI receive. + */ + u32 cr = lp->rx_dma_cr; + + cr &= ~(XAXIDMA_IRQ_IOC_MASK | XAXIDMA_IRQ_DELAY_MASK); + if (napi_schedule_prep(&lp->napi_rx)) { + axienet_dma_out32(lp, XAXIDMA_RX_CR_OFFSET, cr); + __napi_schedule(&lp->napi_rx); + } } -out: + return IRQ_HANDLED; } @@ -1107,6 +1196,9 @@ static int axienet_open(struct net_device *ndev) /* Enable worker thread for Axi DMA error handling */ INIT_WORK(&lp->dma_err_task, axienet_dma_err_handler); + napi_enable(&lp->napi_rx); + napi_enable(&lp->napi_tx); + /* Enable interrupts for Axi DMA Tx */ ret = request_irq(lp->tx_irq, axienet_tx_irq, IRQF_SHARED, ndev->name, ndev); @@ -1132,6 +1224,8 @@ static int axienet_open(struct net_device *ndev) err_rx_irq: free_irq(lp->tx_irq, ndev); err_tx_irq: + napi_disable(&lp->napi_tx); + napi_disable(&lp->napi_rx); phylink_stop(lp->phylink); phylink_disconnect_phy(lp->phylink); cancel_work_sync(&lp->dma_err_task); @@ -1151,46 +1245,23 @@ static int axienet_open(struct net_device *ndev) */ static int axienet_stop(struct net_device *ndev) { - u32 cr, sr; - int count; struct axienet_local *lp = netdev_priv(ndev); dev_dbg(&ndev->dev, "axienet_close()\n"); + napi_disable(&lp->napi_tx); + napi_disable(&lp->napi_rx); + phylink_stop(lp->phylink); phylink_disconnect_phy(lp->phylink); axienet_setoptions(ndev, lp->options & ~(XAE_OPTION_TXEN | XAE_OPTION_RXEN)); - cr = axienet_dma_in32(lp, XAXIDMA_RX_CR_OFFSET); - cr &= ~(XAXIDMA_CR_RUNSTOP_MASK | XAXIDMA_IRQ_ALL_MASK); - axienet_dma_out32(lp, XAXIDMA_RX_CR_OFFSET, cr); - - cr = axienet_dma_in32(lp, XAXIDMA_TX_CR_OFFSET); - cr &= ~(XAXIDMA_CR_RUNSTOP_MASK | XAXIDMA_IRQ_ALL_MASK); - axienet_dma_out32(lp, XAXIDMA_TX_CR_OFFSET, cr); + axienet_dma_stop(lp); axienet_iow(lp, XAE_IE_OFFSET, 0); - /* Give DMAs a chance to halt gracefully */ - sr = axienet_dma_in32(lp, XAXIDMA_RX_SR_OFFSET); - for (count = 0; !(sr & XAXIDMA_SR_HALT_MASK) && count < 5; ++count) { - msleep(20); - sr = axienet_dma_in32(lp, XAXIDMA_RX_SR_OFFSET); - } - - sr = axienet_dma_in32(lp, XAXIDMA_TX_SR_OFFSET); - for (count = 0; !(sr & XAXIDMA_SR_HALT_MASK) && count < 5; ++count) { - msleep(20); - sr = axienet_dma_in32(lp, XAXIDMA_TX_SR_OFFSET); - } - - /* Do a reset to ensure DMA is really stopped */ - axienet_lock_mii(lp); - __axienet_device_reset(lp); - axienet_unlock_mii(lp); - cancel_work_sync(&lp->dma_err_task); if (lp->eth_irq > 0) @@ -1259,10 +1330,32 @@ static int axienet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) return phylink_mii_ioctl(lp->phylink, rq, cmd); } +static void +axienet_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) +{ + struct axienet_local *lp = netdev_priv(dev); + unsigned int start; + + netdev_stats_to_stats64(stats, &dev->stats); + + do { + start = u64_stats_fetch_begin_irq(&lp->rx_stat_sync); + stats->rx_packets = u64_stats_read(&lp->rx_packets); + stats->rx_bytes = u64_stats_read(&lp->rx_bytes); + } while (u64_stats_fetch_retry_irq(&lp->rx_stat_sync, start)); + + do { + start = u64_stats_fetch_begin_irq(&lp->tx_stat_sync); + stats->tx_packets = u64_stats_read(&lp->tx_packets); + stats->tx_bytes = u64_stats_read(&lp->tx_bytes); + } while (u64_stats_fetch_retry_irq(&lp->tx_stat_sync, start)); +} + static const struct net_device_ops axienet_netdev_ops = { .ndo_open = axienet_open, .ndo_stop = axienet_stop, .ndo_start_xmit = axienet_start_xmit, + .ndo_get_stats64 = axienet_get_stats64, .ndo_change_mtu = axienet_change_mtu, .ndo_set_mac_address = netdev_set_mac_address, .ndo_validate_addr = eth_validate_addr, @@ -1455,14 +1548,12 @@ axienet_ethtools_get_coalesce(struct net_device *ndev, struct kernel_ethtool_coalesce *kernel_coal, struct netlink_ext_ack *extack) { - u32 regval = 0; struct axienet_local *lp = netdev_priv(ndev); - regval = axienet_dma_in32(lp, XAXIDMA_RX_CR_OFFSET); - ecoalesce->rx_max_coalesced_frames = (regval & XAXIDMA_COALESCE_MASK) - >> XAXIDMA_COALESCE_SHIFT; - regval = axienet_dma_in32(lp, XAXIDMA_TX_CR_OFFSET); - ecoalesce->tx_max_coalesced_frames = (regval & XAXIDMA_COALESCE_MASK) - >> XAXIDMA_COALESCE_SHIFT; + + ecoalesce->rx_max_coalesced_frames = lp->coalesce_count_rx; + ecoalesce->rx_coalesce_usecs = lp->coalesce_usec_rx; + ecoalesce->tx_max_coalesced_frames = lp->coalesce_count_tx; + ecoalesce->tx_coalesce_usecs = lp->coalesce_usec_tx; return 0; } @@ -1495,8 +1586,12 @@ axienet_ethtools_set_coalesce(struct net_device *ndev, if (ecoalesce->rx_max_coalesced_frames) lp->coalesce_count_rx = ecoalesce->rx_max_coalesced_frames; + if (ecoalesce->rx_coalesce_usecs) + lp->coalesce_usec_rx = ecoalesce->rx_coalesce_usecs; if (ecoalesce->tx_max_coalesced_frames) lp->coalesce_count_tx = ecoalesce->tx_max_coalesced_frames; + if (ecoalesce->tx_coalesce_usecs) + lp->coalesce_usec_tx = ecoalesce->tx_coalesce_usecs; return 0; } @@ -1527,7 +1622,8 @@ static int axienet_ethtools_nway_reset(struct net_device *dev) } static const struct ethtool_ops axienet_ethtool_ops = { - .supported_coalesce_params = ETHTOOL_COALESCE_MAX_FRAMES, + .supported_coalesce_params = ETHTOOL_COALESCE_MAX_FRAMES | + ETHTOOL_COALESCE_USECS, .get_drvinfo = axienet_ethtools_get_drvinfo, .get_regs_len = axienet_ethtools_get_regs_len, .get_regs = axienet_ethtools_get_regs, @@ -1747,29 +1843,27 @@ static const struct phylink_mac_ops axienet_phylink_ops = { */ static void axienet_dma_err_handler(struct work_struct *work) { + u32 i; u32 axienet_status; - u32 cr, i; + struct axidma_bd *cur_p; struct axienet_local *lp = container_of(work, struct axienet_local, dma_err_task); struct net_device *ndev = lp->ndev; - struct axidma_bd *cur_p; + + napi_disable(&lp->napi_tx); + napi_disable(&lp->napi_rx); axienet_setoptions(ndev, lp->options & ~(XAE_OPTION_TXEN | XAE_OPTION_RXEN)); - /* When we do an Axi Ethernet reset, it resets the complete core - * including the MDIO. MDIO must be disabled before resetting. - * Hold MDIO bus lock to avoid MDIO accesses during the reset. - */ - axienet_lock_mii(lp); - __axienet_device_reset(lp); - axienet_unlock_mii(lp); + + axienet_dma_stop(lp); for (i = 0; i < lp->tx_bd_num; i++) { cur_p = &lp->tx_bd_v[i]; if (cur_p->cntrl) { dma_addr_t addr = desc_get_phys_addr(lp, cur_p); - dma_unmap_single(ndev->dev.parent, addr, + dma_unmap_single(lp->dev, addr, (cur_p->cntrl & XAXIDMA_BD_CTRL_LENGTH_MASK), DMA_TO_DEVICE); @@ -1802,50 +1896,7 @@ static void axienet_dma_err_handler(struct work_struct *work) lp->tx_bd_tail = 0; lp->rx_bd_ci = 0; - /* Start updating the Rx channel control register */ - cr = axienet_dma_in32(lp, XAXIDMA_RX_CR_OFFSET); - /* Update the interrupt coalesce count */ - cr = ((cr & ~XAXIDMA_COALESCE_MASK) | - (XAXIDMA_DFT_RX_THRESHOLD << XAXIDMA_COALESCE_SHIFT)); - /* Update the delay timer count */ - cr = ((cr & ~XAXIDMA_DELAY_MASK) | - (XAXIDMA_DFT_RX_WAITBOUND << XAXIDMA_DELAY_SHIFT)); - /* Enable coalesce, delay timer and error interrupts */ - cr |= XAXIDMA_IRQ_ALL_MASK; - /* Finally write to the Rx channel control register */ - axienet_dma_out32(lp, XAXIDMA_RX_CR_OFFSET, cr); - - /* Start updating the Tx channel control register */ - cr = axienet_dma_in32(lp, XAXIDMA_TX_CR_OFFSET); - /* Update the interrupt coalesce count */ - cr = (((cr & ~XAXIDMA_COALESCE_MASK)) | - (XAXIDMA_DFT_TX_THRESHOLD << XAXIDMA_COALESCE_SHIFT)); - /* Update the delay timer count */ - cr = (((cr & ~XAXIDMA_DELAY_MASK)) | - (XAXIDMA_DFT_TX_WAITBOUND << XAXIDMA_DELAY_SHIFT)); - /* Enable coalesce, delay timer and error interrupts */ - cr |= XAXIDMA_IRQ_ALL_MASK; - /* Finally write to the Tx channel control register */ - axienet_dma_out32(lp, XAXIDMA_TX_CR_OFFSET, cr); - - /* Populate the tail pointer and bring the Rx Axi DMA engine out of - * halted state. This will make the Rx side ready for reception. - */ - axienet_dma_out_addr(lp, XAXIDMA_RX_CDESC_OFFSET, lp->rx_bd_p); - cr = axienet_dma_in32(lp, XAXIDMA_RX_CR_OFFSET); - axienet_dma_out32(lp, XAXIDMA_RX_CR_OFFSET, - cr | XAXIDMA_CR_RUNSTOP_MASK); - axienet_dma_out_addr(lp, XAXIDMA_RX_TDESC_OFFSET, lp->rx_bd_p + - (sizeof(*lp->rx_bd_v) * (lp->rx_bd_num - 1))); - - /* Write to the RS (Run-stop) bit in the Tx channel control register. - * Tx channel is now ready to run. But only after we write to the - * tail pointer register that the Tx channel will start transmitting - */ - axienet_dma_out_addr(lp, XAXIDMA_TX_CDESC_OFFSET, lp->tx_bd_p); - cr = axienet_dma_in32(lp, XAXIDMA_TX_CR_OFFSET); - axienet_dma_out32(lp, XAXIDMA_TX_CR_OFFSET, - cr | XAXIDMA_CR_RUNSTOP_MASK); + axienet_dma_start(lp); axienet_status = axienet_ior(lp, XAE_RCW1_OFFSET); axienet_status &= ~XAE_RCW1_RX_MASK; @@ -1865,6 +1916,8 @@ static void axienet_dma_err_handler(struct work_struct *work) ~(XAE_OPTION_TXEN | XAE_OPTION_RXEN)); axienet_set_mac_address(ndev, NULL); axienet_set_multicast_list(ndev); + napi_enable(&lp->napi_rx); + napi_enable(&lp->napi_tx); axienet_setoptions(ndev, lp->options); } @@ -1914,6 +1967,12 @@ static int axienet_probe(struct platform_device *pdev) lp->rx_bd_num = RX_BD_NUM_DEFAULT; lp->tx_bd_num = TX_BD_NUM_DEFAULT; + u64_stats_init(&lp->rx_stat_sync); + u64_stats_init(&lp->tx_stat_sync); + + netif_napi_add(ndev, &lp->napi_rx, axienet_rx_poll, NAPI_POLL_WEIGHT); + netif_napi_add(ndev, &lp->napi_tx, axienet_tx_poll, NAPI_POLL_WEIGHT); + lp->axi_clk = devm_clk_get_optional(&pdev->dev, "s_axi_lite_clk"); if (!lp->axi_clk) { /* For backward compatibility, if named AXI clock is not present, @@ -2125,7 +2184,9 @@ static int axienet_probe(struct platform_device *pdev) } lp->coalesce_count_rx = XAXIDMA_DFT_RX_THRESHOLD; + lp->coalesce_usec_rx = XAXIDMA_DFT_RX_USEC; lp->coalesce_count_tx = XAXIDMA_DFT_TX_THRESHOLD; + lp->coalesce_usec_tx = XAXIDMA_DFT_TX_USEC; ret = axienet_mdio_setup(lp); if (ret) diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 0e4ea3c0fe..d7440cc4be 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -55,6 +55,7 @@ struct geneve_config { bool use_udp6_rx_checksums; bool ttl_inherit; enum ifla_geneve_df df; + bool inner_proto_inherit; }; /* Pseudo network device */ @@ -250,17 +251,24 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs, } } - skb_reset_mac_header(skb); - skb->protocol = eth_type_trans(skb, geneve->dev); - skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN); - if (tun_dst) skb_dst_set(skb, &tun_dst->dst); - /* Ignore packet loops (and multicast echo) */ - if (ether_addr_equal(eth_hdr(skb)->h_source, geneve->dev->dev_addr)) { - geneve->dev->stats.rx_errors++; - goto drop; + if (gnvh->proto_type == htons(ETH_P_TEB)) { + skb_reset_mac_header(skb); + skb->protocol = eth_type_trans(skb, geneve->dev); + skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN); + + /* Ignore packet loops (and multicast echo) */ + if (ether_addr_equal(eth_hdr(skb)->h_source, + geneve->dev->dev_addr)) { + geneve->dev->stats.rx_errors++; + goto drop; + } + } else { + skb_reset_mac_header(skb); + skb->dev = geneve->dev; + skb->pkt_type = PACKET_HOST; } /* Save offset of outer header relative to skb->head, @@ -358,6 +366,7 @@ static int geneve_udp_encap_recv(struct sock *sk, struct sk_buff *skb) struct genevehdr *geneveh; struct geneve_dev *geneve; struct geneve_sock *gs; + __be16 inner_proto; int opts_len; /* Need UDP and Geneve header to be present */ @@ -369,7 +378,11 @@ static int geneve_udp_encap_recv(struct sock *sk, struct sk_buff *skb) if (unlikely(geneveh->ver != GENEVE_VER)) goto drop; - if (unlikely(geneveh->proto_type != htons(ETH_P_TEB))) + inner_proto = geneveh->proto_type; + + if (unlikely((inner_proto != htons(ETH_P_TEB) && + inner_proto != htons(ETH_P_IP) && + inner_proto != htons(ETH_P_IPV6)))) goto drop; gs = rcu_dereference_sk_user_data(sk); @@ -380,9 +393,14 @@ static int geneve_udp_encap_recv(struct sock *sk, struct sk_buff *skb) if (!geneve) goto drop; + if (unlikely((!geneve->cfg.inner_proto_inherit && + inner_proto != htons(ETH_P_TEB)))) { + geneve->dev->stats.rx_dropped++; + goto drop; + } + opts_len = geneveh->opt_len * 4; - if (iptunnel_pull_header(skb, GENEVE_BASE_HLEN + opts_len, - htons(ETH_P_TEB), + if (iptunnel_pull_header(skb, GENEVE_BASE_HLEN + opts_len, inner_proto, !net_eq(geneve->net, dev_net(geneve->dev)))) { geneve->dev->stats.rx_dropped++; goto drop; @@ -530,18 +548,15 @@ static struct sk_buff *geneve_gro_receive(struct sock *sk, type = gh->proto_type; - rcu_read_lock(); ptype = gro_find_receive_by_type(type); if (!ptype) - goto out_unlock; + goto out; skb_gro_pull(skb, gh_len); skb_gro_postpull_rcsum(skb, gh, gh_len); pp = call_gro_receive(ptype->callbacks.gro_receive, head, skb); flush = 0; -out_unlock: - rcu_read_unlock(); out: skb_gro_flush_final(skb, pp, flush); @@ -561,13 +576,10 @@ static int geneve_gro_complete(struct sock *sk, struct sk_buff *skb, gh_len = geneve_hlen(gh); type = gh->proto_type; - rcu_read_lock(); ptype = gro_find_complete_by_type(type); if (ptype) err = ptype->callbacks.gro_complete(skb, nhoff + gh_len); - rcu_read_unlock(); - skb_set_inner_mac_header(skb, nhoff + gh_len); return err; @@ -736,7 +748,8 @@ static int geneve_stop(struct net_device *dev) } static void geneve_build_header(struct genevehdr *geneveh, - const struct ip_tunnel_info *info) + const struct ip_tunnel_info *info, + __be16 inner_proto) { geneveh->ver = GENEVE_VER; geneveh->opt_len = info->options_len / 4; @@ -744,7 +757,7 @@ static void geneve_build_header(struct genevehdr *geneveh, geneveh->critical = !!(info->key.tun_flags & TUNNEL_CRIT_OPT); geneveh->rsvd1 = 0; tunnel_id_to_vni(info->key.tun_id, geneveh->vni); - geneveh->proto_type = htons(ETH_P_TEB); + geneveh->proto_type = inner_proto; geneveh->rsvd2 = 0; if (info->key.tun_flags & TUNNEL_GENEVE_OPT) @@ -753,10 +766,12 @@ static void geneve_build_header(struct genevehdr *geneveh, static int geneve_build_skb(struct dst_entry *dst, struct sk_buff *skb, const struct ip_tunnel_info *info, - bool xnet, int ip_hdr_len) + bool xnet, int ip_hdr_len, + bool inner_proto_inherit) { bool udp_sum = !!(info->key.tun_flags & TUNNEL_CSUM); struct genevehdr *gnvh; + __be16 inner_proto; int min_headroom; int err; @@ -774,8 +789,9 @@ static int geneve_build_skb(struct dst_entry *dst, struct sk_buff *skb, goto free_dst; gnvh = __skb_push(skb, sizeof(*gnvh) + info->options_len); - geneve_build_header(gnvh, info); - skb_set_inner_protocol(skb, htons(ETH_P_TEB)); + inner_proto = inner_proto_inherit ? skb->protocol : htons(ETH_P_TEB); + geneve_build_header(gnvh, info, inner_proto); + skb_set_inner_protocol(skb, inner_proto); return 0; free_dst: @@ -898,6 +914,7 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev, struct geneve_dev *geneve, const struct ip_tunnel_info *info) { + bool inner_proto_inherit = geneve->cfg.inner_proto_inherit; bool xnet = !net_eq(geneve->net, dev_net(geneve->dev)); struct geneve_sock *gs4 = rcu_dereference(geneve->sock4); const struct ip_tunnel_key *key = &info->key; @@ -909,7 +926,7 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev, __be16 sport; int err; - if (!skb_vlan_inet_prepare(skb)) + if (!skb_vlan_inet_prepare(skb, inner_proto_inherit)) return -EINVAL; sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); @@ -981,7 +998,8 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev, } } - err = geneve_build_skb(&rt->dst, skb, info, xnet, sizeof(struct iphdr)); + err = geneve_build_skb(&rt->dst, skb, info, xnet, sizeof(struct iphdr), + inner_proto_inherit); if (unlikely(err)) return err; @@ -997,6 +1015,7 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, struct geneve_dev *geneve, const struct ip_tunnel_info *info) { + bool inner_proto_inherit = geneve->cfg.inner_proto_inherit; bool xnet = !net_eq(geneve->net, dev_net(geneve->dev)); struct geneve_sock *gs6 = rcu_dereference(geneve->sock6); const struct ip_tunnel_key *key = &info->key; @@ -1006,7 +1025,7 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, __be16 sport; int err; - if (!skb_vlan_inet_prepare(skb)) + if (!skb_vlan_inet_prepare(skb, inner_proto_inherit)) return -EINVAL; sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); @@ -1060,7 +1079,8 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, ttl = key->ttl; ttl = ttl ? : ip6_dst_hoplimit(dst); } - err = geneve_build_skb(dst, skb, info, xnet, sizeof(struct ipv6hdr)); + err = geneve_build_skb(dst, skb, info, xnet, sizeof(struct ipv6hdr), + inner_proto_inherit); if (unlikely(err)) return err; @@ -1260,6 +1280,7 @@ static void geneve_setup(struct net_device *dev) } static const struct nla_policy geneve_policy[IFLA_GENEVE_MAX + 1] = { + [IFLA_GENEVE_UNSPEC] = { .strict_start_type = IFLA_GENEVE_INNER_PROTO_INHERIT }, [IFLA_GENEVE_ID] = { .type = NLA_U32 }, [IFLA_GENEVE_REMOTE] = { .len = sizeof_field(struct iphdr, daddr) }, [IFLA_GENEVE_REMOTE6] = { .len = sizeof(struct in6_addr) }, @@ -1273,6 +1294,7 @@ static const struct nla_policy geneve_policy[IFLA_GENEVE_MAX + 1] = { [IFLA_GENEVE_UDP_ZERO_CSUM6_RX] = { .type = NLA_U8 }, [IFLA_GENEVE_TTL_INHERIT] = { .type = NLA_U8 }, [IFLA_GENEVE_DF] = { .type = NLA_U8 }, + [IFLA_GENEVE_INNER_PROTO_INHERIT] = { .type = NLA_FLAG }, }; static int geneve_validate(struct nlattr *tb[], struct nlattr *data[], @@ -1410,6 +1432,14 @@ static int geneve_configure(struct net *net, struct net_device *dev, dst_cache_reset(&geneve->cfg.info.dst_cache); memcpy(&geneve->cfg, cfg, sizeof(*cfg)); + if (geneve->cfg.inner_proto_inherit) { + dev->header_ops = NULL; + dev->type = ARPHRD_NONE; + dev->hard_header_len = 0; + dev->addr_len = 0; + dev->flags = IFF_NOARP; + } + err = register_netdevice(dev); if (err) return err; @@ -1583,10 +1613,18 @@ static int geneve_nl2info(struct nlattr *tb[], struct nlattr *data[], #endif } + if (data[IFLA_GENEVE_INNER_PROTO_INHERIT]) { + if (changelink) { + attrtype = IFLA_GENEVE_INNER_PROTO_INHERIT; + goto change_notsup; + } + cfg->inner_proto_inherit = true; + } + return 0; change_notsup: NL_SET_ERR_MSG_ATTR(extack, data[attrtype], - "Changing VNI, Port, endpoint IP address family, external, and UDP checksum attributes are not supported"); + "Changing VNI, Port, endpoint IP address family, external, inner_proto_inherit, and UDP checksum attributes are not supported"); return -EOPNOTSUPP; } @@ -1762,6 +1800,7 @@ static size_t geneve_get_size(const struct net_device *dev) nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_UDP_ZERO_CSUM6_TX */ nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_UDP_ZERO_CSUM6_RX */ nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_TTL_INHERIT */ + nla_total_size(0) + /* IFLA_GENEVE_INNER_PROTO_INHERIT */ 0; } @@ -1821,6 +1860,10 @@ static int geneve_fill_info(struct sk_buff *skb, const struct net_device *dev) if (nla_put_u8(skb, IFLA_GENEVE_TTL_INHERIT, ttl_inherit)) goto nla_put_failure; + if (geneve->cfg.inner_proto_inherit && + nla_put_flag(skb, IFLA_GENEVE_INNER_PROTO_INHERIT)) + goto nla_put_failure; + return 0; nla_put_failure: diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 3271428e64..2509d7bccb 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -572,6 +572,9 @@ static netdev_tx_t gtp_dev_xmit(struct sk_buff *skb, struct net_device *dev) if (skb_cow_head(skb, dev->needed_headroom)) goto tx_err; + if (!pskb_inet_may_pull(skb)) + goto tx_err; + skb_reset_inner_headers(skb); /* PDP context lookups in gtp_build_skb_*() need rcu read-side lock. */ @@ -814,7 +817,7 @@ static struct sock *gtp_encap_enable_socket(int fd, int type, sock = sockfd_lookup(fd, &err); if (!sock) { pr_debug("gtp socket fd=%d not found\n", fd); - return NULL; + return ERR_PTR(err); } sk = sock->sk; @@ -855,20 +858,24 @@ static int gtp_encap_enable(struct gtp_dev *gtp, struct nlattr *data[]) unsigned int role = GTP_ROLE_GGSN; if (data[IFLA_GTP_FD0]) { - u32 fd0 = nla_get_u32(data[IFLA_GTP_FD0]); + int fd0 = nla_get_u32(data[IFLA_GTP_FD0]); - sk0 = gtp_encap_enable_socket(fd0, UDP_ENCAP_GTP0, gtp); - if (IS_ERR(sk0)) - return PTR_ERR(sk0); + if (fd0 >= 0) { + sk0 = gtp_encap_enable_socket(fd0, UDP_ENCAP_GTP0, gtp); + if (IS_ERR(sk0)) + return PTR_ERR(sk0); + } } if (data[IFLA_GTP_FD1]) { - u32 fd1 = nla_get_u32(data[IFLA_GTP_FD1]); + int fd1 = nla_get_u32(data[IFLA_GTP_FD1]); - sk1u = gtp_encap_enable_socket(fd1, UDP_ENCAP_GTP1U, gtp); - if (IS_ERR(sk1u)) { - gtp_encap_disable_sock(sk0); - return PTR_ERR(sk1u); + if (fd1 >= 0) { + sk1u = gtp_encap_enable_socket(fd1, UDP_ENCAP_GTP1U, gtp); + if (IS_ERR(sk1u)) { + gtp_encap_disable_sock(sk0); + return PTR_ERR(sk1u); + } } } diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 804c11cbcc..ff5b14210a 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -2813,6 +2813,31 @@ static struct hv_driver netvsc_drv = { }, }; +/* Set VF's namespace same as the synthetic NIC */ +static void netvsc_event_set_vf_ns(struct net_device *ndev) +{ + struct net_device_context *ndev_ctx = netdev_priv(ndev); + struct net_device *vf_netdev; + int ret; + + vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev); + if (!vf_netdev) + return; + + if (!net_eq(dev_net(ndev), dev_net(vf_netdev))) { + ret = dev_change_net_namespace(vf_netdev, dev_net(ndev), + "eth%d"); + if (ret) + netdev_err(vf_netdev, + "Cannot move to same namespace as %s: %d\n", + ndev->name, ret); + else + netdev_info(vf_netdev, + "Moved VF to namespace with: %s\n", + ndev->name); + } +} + /* * On Hyper-V, every VF interface is matched with a corresponding * synthetic interface. The synthetic interface is presented first @@ -2825,6 +2850,11 @@ static int netvsc_netdev_event(struct notifier_block *this, struct net_device *event_dev = netdev_notifier_info_to_dev(ptr); int ret = 0; + if (event_dev->netdev_ops == &device_ops && event == NETDEV_REGISTER) { + netvsc_event_set_vf_ns(event_dev); + return NOTIFY_DONE; + } + ret = check_dev_is_matching_vf(event_dev); if (ret != 0) return NOTIFY_DONE; diff --git a/drivers/net/ieee802154/Kconfig b/drivers/net/ieee802154/Kconfig index 0f7c6dc2ed..26f393a050 100644 --- a/drivers/net/ieee802154/Kconfig +++ b/drivers/net/ieee802154/Kconfig @@ -108,6 +108,7 @@ config IEEE802154_CA8210_DEBUGFS config IEEE802154_MCR20A tristate "MCR20A transceiver driver" + select REGMAP_SPI depends on IEEE802154_DRIVERS && MAC802154 depends on SPI help diff --git a/drivers/net/ieee802154/mcr20a.c b/drivers/net/ieee802154/mcr20a.c index 383231b854..16474990dc 100644 --- a/drivers/net/ieee802154/mcr20a.c +++ b/drivers/net/ieee802154/mcr20a.c @@ -1311,16 +1311,13 @@ mcr20a_probe(struct spi_device *spi) irq_type = IRQF_TRIGGER_FALLING; ret = devm_request_irq(&spi->dev, spi->irq, mcr20a_irq_isr, - irq_type, dev_name(&spi->dev), lp); + irq_type | IRQF_NO_AUTOEN, dev_name(&spi->dev), lp); if (ret) { dev_err(&spi->dev, "could not request_irq for mcr20a\n"); ret = -ENODEV; goto free_dev; } - /* disable_irq by default and wait for starting hardware */ - disable_irq(spi->irq); - ret = ieee802154_register_hw(hw); if (ret) { dev_crit(&spi->dev, "ieee802154_register_hw failed\n"); diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index ab134fe1fd..a91c409958 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -160,19 +160,6 @@ static struct macsec_rx_sa *macsec_rxsa_get(struct macsec_rx_sa __rcu *ptr) return sa; } -static struct macsec_rx_sa *macsec_active_rxsa_get(struct macsec_rx_sc *rx_sc) -{ - struct macsec_rx_sa *sa = NULL; - int an; - - for (an = 0; an < MACSEC_NUM_AN; an++) { - sa = macsec_rxsa_get(rx_sc->sa[an]); - if (sa) - break; - } - return sa; -} - static void free_rx_sc_rcu(struct rcu_head *head) { struct macsec_rx_sc *rx_sc = container_of(head, struct macsec_rx_sc, rcu_head); @@ -1192,15 +1179,12 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) /* If validateFrames is Strict or the C bit in the * SecTAG is set, discard */ - struct macsec_rx_sa *active_rx_sa = macsec_active_rxsa_get(rx_sc); if (hdr->tci_an & MACSEC_TCI_C || secy->validate_frames == MACSEC_VALIDATE_STRICT) { u64_stats_update_begin(&rxsc_stats->syncp); rxsc_stats->stats.InPktsNotUsingSA++; u64_stats_update_end(&rxsc_stats->syncp); DEV_STATS_INC(secy->netdev, rx_errors); - if (active_rx_sa) - this_cpu_inc(active_rx_sa->stats->InPktsNotUsingSA); goto drop_nosa; } @@ -1210,8 +1194,6 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) u64_stats_update_begin(&rxsc_stats->syncp); rxsc_stats->stats.InPktsUnusedSA++; u64_stats_update_end(&rxsc_stats->syncp); - if (active_rx_sa) - this_cpu_inc(active_rx_sa->stats->InPktsUnusedSA); goto deliver; } diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index ccecba908d..4292105323 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -716,6 +716,7 @@ static int netconsole_netdev_event(struct notifier_block *this, /* rtnl_lock already held * we might sleep in __netpoll_cleanup() */ + nt->enabled = false; spin_unlock_irqrestore(&target_list_lock, flags); __netpoll_cleanup(&nt->np); @@ -723,7 +724,6 @@ static int netconsole_netdev_event(struct notifier_block *this, spin_lock_irqsave(&target_list_lock, flags); dev_put(nt->np.dev); nt->np.dev = NULL; - nt->enabled = false; stopped = true; netconsole_target_put(nt); goto restart; diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c index 14787d17f7..b71414b3a1 100644 --- a/drivers/net/netdevsim/fib.c +++ b/drivers/net/netdevsim/fib.c @@ -1366,10 +1366,12 @@ static ssize_t nsim_nexthop_bucket_activity_write(struct file *file, if (pos != 0) return -EINVAL; - if (size > sizeof(buf)) + if (size > sizeof(buf) - 1) return -EINVAL; if (copy_from_user(buf, user_buf, size)) return -EFAULT; + buf[size] = 0; + if (sscanf(buf, "%u %hu", &nhid, &bucket_index) != 2) return -EINVAL; diff --git a/drivers/net/phy/bcm84881.c b/drivers/net/phy/bcm84881.c index 9717a1626f..37a64a37b2 100644 --- a/drivers/net/phy/bcm84881.c +++ b/drivers/net/phy/bcm84881.c @@ -120,7 +120,7 @@ static int bcm84881_aneg_done(struct phy_device *phydev) bmsr = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_C22 + MII_BMSR); if (bmsr < 0) - return val; + return bmsr; return !!(val & MDIO_AN_STAT1_COMPLETE) && !!(bmsr & BMSR_ANEGCOMPLETE); @@ -146,7 +146,7 @@ static int bcm84881_read_status(struct phy_device *phydev) bmsr = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_C22 + MII_BMSR); if (bmsr < 0) - return val; + return bmsr; phydev->autoneg_complete = !!(val & MDIO_AN_STAT1_COMPLETE) && !!(bmsr & BMSR_ANEGCOMPLETE); diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c index 57411ee1d8..317357c43c 100644 --- a/drivers/net/phy/dp83822.c +++ b/drivers/net/phy/dp83822.c @@ -40,8 +40,8 @@ /* Control Register 2 bits */ #define DP83822_FX_ENABLE BIT(14) -#define DP83822_HW_RESET BIT(15) -#define DP83822_SW_RESET BIT(14) +#define DP83822_SW_RESET BIT(15) +#define DP83822_DIG_RESTART BIT(14) /* PHY STS bits */ #define DP83822_PHYSTS_DUPLEX BIT(2) diff --git a/drivers/net/phy/dp83848.c b/drivers/net/phy/dp83848.c index 937061acfc..351411f0aa 100644 --- a/drivers/net/phy/dp83848.c +++ b/drivers/net/phy/dp83848.c @@ -147,6 +147,8 @@ MODULE_DEVICE_TABLE(mdio, dp83848_tbl); /* IRQ related */ \ .config_intr = dp83848_config_intr, \ .handle_interrupt = dp83848_handle_interrupt, \ + \ + .flags = PHY_RST_AFTER_CLK_EN, \ } static struct phy_driver dp83848_driver[] = { diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c index cdf4e22fe8..a76fd5f11a 100644 --- a/drivers/net/phy/dp83869.c +++ b/drivers/net/phy/dp83869.c @@ -644,7 +644,6 @@ static int dp83869_configure_fiber(struct phy_device *phydev, phydev->supported); linkmode_set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, phydev->supported); - linkmode_set_bit(ADVERTISED_FIBRE, phydev->advertising); if (dp83869->mode == DP83869_RGMII_1000_BASE) { linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT, diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 59d05a1672..f1a6cc7ccf 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -1798,6 +1798,7 @@ static struct mdio_device_id __maybe_unused micrel_tbl[] = { { PHY_ID_KSZ8081, MICREL_PHY_ID_MASK }, { PHY_ID_KSZ8873MLL, MICREL_PHY_ID_MASK }, { PHY_ID_KSZ886X, MICREL_PHY_ID_MASK }, + { PHY_ID_KSZ9477, MICREL_PHY_ID_MASK }, { PHY_ID_LAN8814, MICREL_PHY_ID_MASK }, { } }; diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index d5918605ea..2bb30d635b 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -2004,8 +2004,7 @@ static void sfp_sm_module(struct sfp *sfp, unsigned int event) /* Handle remove event globally, it resets this state machine */ if (event == SFP_E_REMOVE) { - if (sfp->sm_mod_state > SFP_MOD_PROBE) - sfp_sm_mod_remove(sfp); + sfp_sm_mod_remove(sfp); sfp_sm_mod_next(sfp, SFP_MOD_EMPTY, 0); return; } diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c index 897b979ec0..3b5fcaf0dd 100644 --- a/drivers/net/phy/vitesse.c +++ b/drivers/net/phy/vitesse.c @@ -237,16 +237,6 @@ static int vsc739x_config_init(struct phy_device *phydev) return 0; } -static int vsc73xx_config_aneg(struct phy_device *phydev) -{ - /* The VSC73xx switches does not like to be instructed to - * do autonegotiation in any way, it prefers that you just go - * with the power-on/reset defaults. Writing some registers will - * just make autonegotiation permanently fail. - */ - return 0; -} - /* This adds a skew for both TX and RX clocks, so the skew should only be * applied to "rgmii-id" interfaces. It may not work as expected * on "rgmii-txid", "rgmii-rxid" or "rgmii" interfaces. @@ -444,7 +434,6 @@ static struct phy_driver vsc82xx_driver[] = { .phy_id_mask = 0x000ffff0, /* PHY_GBIT_FEATURES */ .config_init = vsc738x_config_init, - .config_aneg = vsc73xx_config_aneg, .read_page = vsc73xx_read_page, .write_page = vsc73xx_write_page, }, { @@ -453,7 +442,6 @@ static struct phy_driver vsc82xx_driver[] = { .phy_id_mask = 0x000ffff0, /* PHY_GBIT_FEATURES */ .config_init = vsc738x_config_init, - .config_aneg = vsc73xx_config_aneg, .read_page = vsc73xx_read_page, .write_page = vsc73xx_write_page, }, { @@ -462,7 +450,6 @@ static struct phy_driver vsc82xx_driver[] = { .phy_id_mask = 0x000ffff0, /* PHY_GBIT_FEATURES */ .config_init = vsc739x_config_init, - .config_aneg = vsc73xx_config_aneg, .read_page = vsc73xx_read_page, .write_page = vsc73xx_write_page, }, { @@ -471,7 +458,6 @@ static struct phy_driver vsc82xx_driver[] = { .phy_id_mask = 0x000ffff0, /* PHY_GBIT_FEATURES */ .config_init = vsc739x_config_init, - .config_aneg = vsc73xx_config_aneg, .read_page = vsc73xx_read_page, .write_page = vsc73xx_write_page, }, { diff --git a/drivers/net/plip/plip.c b/drivers/net/plip/plip.c index b1776116f9..bea741afe7 100644 --- a/drivers/net/plip/plip.c +++ b/drivers/net/plip/plip.c @@ -811,7 +811,7 @@ plip_send_packet(struct net_device *dev, struct net_local *nl, return HS_TIMEOUT; } } - break; + fallthrough; case PLIP_PK_LENGTH_LSB: if (plip_send(nibble_timeout, dev, diff --git a/drivers/net/ppp/ppp_async.c b/drivers/net/ppp/ppp_async.c index 4a5c749ba2..f7cd56d467 100644 --- a/drivers/net/ppp/ppp_async.c +++ b/drivers/net/ppp/ppp_async.c @@ -552,7 +552,7 @@ ppp_async_encode(struct asyncppp *ap) * and 7 (code-reject) must be sent as though no options * had been negotiated. */ - islcp = proto == PPP_LCP && 1 <= data[2] && data[2] <= 7; + islcp = proto == PPP_LCP && count >= 3 && 1 <= data[2] && data[2] <= 7; if (i == 0) { if (islcp) diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index c1f11d1df4..590a8b2153 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -70,6 +70,7 @@ #define MPHDRLEN_SSN 4 /* ditto with short sequence numbers */ #define PPP_PROTO_LEN 2 +#define PPP_LCP_HDRLEN 4 /* * An instance of /dev/ppp can be associated with either a ppp @@ -490,6 +491,15 @@ static ssize_t ppp_read(struct file *file, char __user *buf, return ret; } +static bool ppp_check_packet(struct sk_buff *skb, size_t count) +{ + /* LCP packets must include LCP header which 4 bytes long: + * 1-byte code, 1-byte identifier, and 2-byte length. + */ + return get_unaligned_be16(skb->data) != PPP_LCP || + count >= PPP_PROTO_LEN + PPP_LCP_HDRLEN; +} + static ssize_t ppp_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { @@ -512,6 +522,11 @@ static ssize_t ppp_write(struct file *file, const char __user *buf, kfree_skb(skb); goto out; } + ret = -EINVAL; + if (unlikely(!ppp_check_packet(skb, count))) { + kfree_skb(skb); + goto out; + } switch (pf->kind) { case INTERFACE: @@ -2253,7 +2268,7 @@ static bool ppp_channel_bridge_input(struct channel *pch, struct sk_buff *skb) if (!pchb) goto out_rcu; - spin_lock(&pchb->downl); + spin_lock_bh(&pchb->downl); if (!pchb->chan) { /* channel got unregistered */ kfree_skb(skb); @@ -2265,7 +2280,7 @@ static bool ppp_channel_bridge_input(struct channel *pch, struct sk_buff *skb) kfree_skb(skb); outl: - spin_unlock(&pchb->downl); + spin_unlock_bh(&pchb->downl); out_rcu: rcu_read_unlock(); diff --git a/drivers/net/slip/slhc.c b/drivers/net/slip/slhc.c index ba93bab948..bf9e801cc6 100644 --- a/drivers/net/slip/slhc.c +++ b/drivers/net/slip/slhc.c @@ -643,46 +643,57 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize) int slhc_remember(struct slcompress *comp, unsigned char *icp, int isize) { - struct cstate *cs; - unsigned ihl; - + const struct tcphdr *th; unsigned char index; + struct iphdr *iph; + struct cstate *cs; + unsigned int ihl; - if(isize < 20) { - /* The packet is shorter than a legal IP header */ + /* The packet is shorter than a legal IP header. + * Also make sure isize is positive. + */ + if (isize < (int)sizeof(struct iphdr)) { +runt: comp->sls_i_runt++; - return slhc_toss( comp ); + return slhc_toss(comp); } + iph = (struct iphdr *)icp; /* Peek at the IP header's IHL field to find its length */ - ihl = icp[0] & 0xf; - if(ihl < 20 / 4){ - /* The IP header length field is too small */ - comp->sls_i_runt++; - return slhc_toss( comp ); - } - index = icp[9]; - icp[9] = IPPROTO_TCP; + ihl = iph->ihl; + /* The IP header length field is too small, + * or packet is shorter than the IP header followed + * by minimal tcp header. + */ + if (ihl < 5 || isize < ihl * 4 + sizeof(struct tcphdr)) + goto runt; + + index = iph->protocol; + iph->protocol = IPPROTO_TCP; if (ip_fast_csum(icp, ihl)) { /* Bad IP header checksum; discard */ comp->sls_i_badcheck++; - return slhc_toss( comp ); + return slhc_toss(comp); } - if(index > comp->rslot_limit) { + if (index > comp->rslot_limit) { comp->sls_i_error++; return slhc_toss(comp); } - + th = (struct tcphdr *)(icp + ihl * 4); + if (th->doff < sizeof(struct tcphdr) / 4) + goto runt; + if (isize < ihl * 4 + th->doff * 4) + goto runt; /* Update local state */ cs = &comp->rstate[comp->recv_current = index]; comp->flags &=~ SLF_TOSS; - memcpy(&cs->cs_ip,icp,20); - memcpy(&cs->cs_tcp,icp + ihl*4,20); + memcpy(&cs->cs_ip, iph, sizeof(*iph)); + memcpy(&cs->cs_tcp, th, sizeof(*th)); if (ihl > 5) - memcpy(cs->cs_ipopt, icp + sizeof(struct iphdr), (ihl - 5) * 4); - if (cs->cs_tcp.doff > 5) - memcpy(cs->cs_tcpopt, icp + ihl*4 + sizeof(struct tcphdr), (cs->cs_tcp.doff - 5) * 4); - cs->cs_hsize = ihl*2 + cs->cs_tcp.doff*2; + memcpy(cs->cs_ipopt, &iph[1], (ihl - 5) * 4); + if (th->doff > 5) + memcpy(cs->cs_tcpopt, &th[1], (th->doff - 5) * 4); + cs->cs_hsize = ihl*2 + th->doff*2; cs->initialized = true; /* Put headers back on packet * Neither header checksum is recalculated diff --git a/drivers/net/tap.c b/drivers/net/tap.c index bdb05d246b..53eadd82f9 100644 --- a/drivers/net/tap.c +++ b/drivers/net/tap.c @@ -1139,6 +1139,11 @@ static int tap_get_user_xdp(struct tap_queue *q, struct xdp_buff *xdp) struct sk_buff *skb; int err, depth; + if (unlikely(xdp->data_end - xdp->data < ETH_HLEN)) { + err = -EINVAL; + goto err; + } + if (q->flags & IFF_VNET_HDR) vnet_hdr_len = READ_ONCE(q->vnet_hdr_sz); diff --git a/drivers/net/tun.c b/drivers/net/tun.c index f0e34b2b07..959ca6b9cd 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -2422,6 +2422,9 @@ static int tun_xdp_one(struct tun_struct *tun, bool skb_xdp = false; struct page *page; + if (unlikely(datasize < ETH_HLEN)) + return -EINVAL; + xdp_prog = rcu_dereference(tun->xdp_prog); if (xdp_prog) { if (gso->gso_type) { diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index 868fad2f8c..2d6b8fddb9 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -326,7 +326,8 @@ static void ax88179_status(struct usbnet *dev, struct urb *urb) if (netif_carrier_ok(dev->net) != link) { usbnet_link_change(dev, link, 1); - netdev_info(dev->net, "ax88179 - Link status is: %d\n", link); + if (!link) + netdev_info(dev->net, "ax88179 - Link status is: 0\n"); } } @@ -1558,6 +1559,7 @@ static int ax88179_link_reset(struct usbnet *dev) GMII_PHY_PHYSR, 2, &tmp16); if (!(tmp16 & GMII_PHY_PHYSR_LINK)) { + netdev_info(dev->net, "ax88179 - Link status is: 0\n"); return 0; } else if (GMII_PHY_PHYSR_GIGA == (tmp16 & GMII_PHY_PHYSR_SMASK)) { mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ; @@ -1595,6 +1597,8 @@ static int ax88179_link_reset(struct usbnet *dev) netif_carrier_on(dev->net); + netdev_info(dev->net, "ax88179 - Link status is: 1\n"); + return 0; } diff --git a/drivers/net/usb/ch9200.c b/drivers/net/usb/ch9200.c index d7f3b70d54..f69d9b902d 100644 --- a/drivers/net/usb/ch9200.c +++ b/drivers/net/usb/ch9200.c @@ -336,6 +336,7 @@ static int ch9200_bind(struct usbnet *dev, struct usb_interface *intf) { int retval = 0; unsigned char data[2]; + u8 addr[ETH_ALEN]; retval = usbnet_get_endpoints(dev, intf); if (retval) @@ -383,7 +384,8 @@ static int ch9200_bind(struct usbnet *dev, struct usb_interface *intf) retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_CTRL, data, 0x02, CONTROL_TIMEOUT_MS); - retval = get_mac_address(dev, dev->net->dev_addr); + retval = get_mac_address(dev, addr); + eth_hw_addr_set(dev->net, addr); return retval; } diff --git a/drivers/net/usb/cx82310_eth.c b/drivers/net/usb/cx82310_eth.c index c4568a491d..79a47e2fd4 100644 --- a/drivers/net/usb/cx82310_eth.c +++ b/drivers/net/usb/cx82310_eth.c @@ -146,6 +146,7 @@ static int cx82310_bind(struct usbnet *dev, struct usb_interface *intf) u8 link[3]; int timeout = 50; struct cx82310_priv *priv; + u8 addr[ETH_ALEN]; /* avoid ADSL modems - continue only if iProduct is "USB NET CARD" */ if (usb_string(udev, udev->descriptor.iProduct, buf, sizeof(buf)) > 0 @@ -202,12 +203,12 @@ static int cx82310_bind(struct usbnet *dev, struct usb_interface *intf) goto err; /* get the MAC address */ - ret = cx82310_cmd(dev, CMD_GET_MAC_ADDR, true, NULL, 0, - dev->net->dev_addr, ETH_ALEN); + ret = cx82310_cmd(dev, CMD_GET_MAC_ADDR, true, NULL, 0, addr, ETH_ALEN); if (ret) { netdev_err(dev->net, "unable to read MAC address: %d\n", ret); goto err; } + eth_hw_addr_set(dev->net, addr); /* start (does not seem to have any effect?) */ ret = cx82310_cmd(dev, CMD_START, false, NULL, 0, NULL, 0); diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c index d56e276e4d..bb3d4c5dad 100644 --- a/drivers/net/usb/ipheth.c +++ b/drivers/net/usb/ipheth.c @@ -253,13 +253,14 @@ static int ipheth_carrier_set(struct ipheth_device *dev) 0x02, /* index */ dev->ctrl_buf, IPHETH_CTRL_BUF_SIZE, IPHETH_CTRL_TIMEOUT); - if (retval < 0) { + if (retval <= 0) { dev_err(&dev->intf->dev, "%s: usb_control_msg: %d\n", __func__, retval); return retval; } - if (dev->ctrl_buf[0] == IPHETH_CARRIER_ON) { + if ((retval == 1 && dev->ctrl_buf[0] == IPHETH_CARRIER_ON) || + (retval >= 2 && dev->ctrl_buf[1] == IPHETH_CARRIER_ON)) { netif_carrier_on(dev->net); if (dev->tx_urb->status != -EINPROGRESS) netif_wake_queue(dev->net); @@ -353,8 +354,8 @@ static int ipheth_close(struct net_device *net) { struct ipheth_device *dev = netdev_priv(net); - cancel_delayed_work_sync(&dev->carrier_work); netif_stop_queue(net); + cancel_delayed_work_sync(&dev->carrier_work); return 0; } diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c index 144c686b43..9b2bc1993e 100644 --- a/drivers/net/usb/kaweth.c +++ b/drivers/net/usb/kaweth.c @@ -1044,8 +1044,7 @@ static int kaweth_probe( goto err_all_but_rxbuf; memcpy(netdev->broadcast, &bcast_addr, sizeof(bcast_addr)); - memcpy(netdev->dev_addr, &kaweth->configuration.hw_addr, - sizeof(kaweth->configuration.hw_addr)); + eth_hw_addr_set(netdev, (u8 *)&kaweth->configuration.hw_addr); netdev->netdev_ops = &kaweth_netdev_ops; netdev->watchdog_timeo = KAWETH_TX_TIMEOUT; diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c index 8f484c4949..f62169216d 100644 --- a/drivers/net/usb/mcs7830.c +++ b/drivers/net/usb/mcs7830.c @@ -481,17 +481,19 @@ static const struct net_device_ops mcs7830_netdev_ops = { static int mcs7830_bind(struct usbnet *dev, struct usb_interface *udev) { struct net_device *net = dev->net; + u8 addr[ETH_ALEN]; int ret; int retry; /* Initial startup: Gather MAC address setting from EEPROM */ ret = -EINVAL; for (retry = 0; retry < 5 && ret; retry++) - ret = mcs7830_hif_get_mac_address(dev, net->dev_addr); + ret = mcs7830_hif_get_mac_address(dev, addr); if (ret) { dev_warn(&dev->udev->dev, "Cannot read MAC address\n"); goto out; } + eth_hw_addr_set(net, addr); mcs7830_data_set_multicast(net); diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 9bd145732e..74e3ba53f5 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -201,6 +201,7 @@ static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb) break; default: /* not ip - do not know what to do */ + kfree_skb(skbn); goto skip; } @@ -1373,6 +1374,8 @@ static const struct usb_device_id products[] = { {QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)}, /* Telit LE910Cx */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)}, /* Telit LE910Cx */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */ + {QMI_QUIRK_SET_DTR(0x1bc7, 0x3000, 0)}, /* Telit FN912 series */ + {QMI_QUIRK_SET_DTR(0x1bc7, 0x3001, 0)}, /* Telit FN912 series */ {QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */ {QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */ {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ @@ -1418,11 +1421,13 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ {QMI_QUIRK_SET_DTR(0x2c7c, 0x030e, 4)}, /* Quectel EM05GV2 */ {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */ + {QMI_QUIRK_SET_DTR(0x2cb7, 0x0112, 0)}, /* Fibocom FG132 */ {QMI_FIXED_INTF(0x0489, 0xe0b4, 0)}, /* Foxconn T77W968 LTE */ {QMI_FIXED_INTF(0x0489, 0xe0b5, 0)}, /* Foxconn T77W968 LTE with eSIM support*/ {QMI_FIXED_INTF(0x2692, 0x9025, 4)}, /* Cellient MPL200 (rebranded Qualcomm 05c6:9025) */ {QMI_QUIRK_SET_DTR(0x1546, 0x1342, 4)}, /* u-blox LARA-L6 */ {QMI_QUIRK_SET_DTR(0x33f8, 0x0104, 4)}, /* Rolling RW101 RMNET */ + {QMI_FIXED_INTF(0x2dee, 0x4d22, 5)}, /* MeiG Smart SRM825L */ /* 4. Gobi 1000 devices */ {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c index 4a1b0e0fc3..17b87aba11 100644 --- a/drivers/net/usb/rtl8150.c +++ b/drivers/net/usb/rtl8150.c @@ -778,7 +778,8 @@ static int rtl8150_get_link_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *ecmd) { rtl8150_t *dev = netdev_priv(netdev); - short lpa, bmcr; + short lpa = 0; + short bmcr = 0; u32 supported; supported = (SUPPORTED_10baseT_Half | diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c index 55025202dc..bb4cbe8fc8 100644 --- a/drivers/net/usb/sierra_net.c +++ b/drivers/net/usb/sierra_net.c @@ -669,6 +669,7 @@ static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf) 0x00, 0x00, SIERRA_NET_HIP_MSYNC_ID, 0x00}; static const u8 shdwn_tmplate[sizeof(priv->shdwn_msg)] = { 0x00, 0x00, SIERRA_NET_HIP_SHUTD_ID, 0x00}; + u8 mod[2]; dev_dbg(&dev->udev->dev, "%s", __func__); @@ -698,8 +699,9 @@ static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf) dev->net->netdev_ops = &sierra_net_device_ops; /* change MAC addr to include, ifacenum, and to be unique */ - dev->net->dev_addr[ETH_ALEN-2] = atomic_inc_return(&iface_counter); - dev->net->dev_addr[ETH_ALEN-1] = ifacenum; + mod[0] = atomic_inc_return(&iface_counter); + mod[1] = ifacenum; + dev_addr_mod(dev->net, ETH_ALEN - 2, mod, 2); /* prepare shutdown message template */ memcpy(priv->shdwn_msg, shdwn_tmplate, sizeof(priv->shdwn_msg)); diff --git a/drivers/net/usb/sr9700.c b/drivers/net/usb/sr9700.c index 1c4a4bd46b..5b29da399d 100644 --- a/drivers/net/usb/sr9700.c +++ b/drivers/net/usb/sr9700.c @@ -179,6 +179,7 @@ static int sr_mdio_read(struct net_device *netdev, int phy_id, int loc) struct usbnet *dev = netdev_priv(netdev); __le16 res; int rc = 0; + int err; if (phy_id) { netdev_dbg(netdev, "Only internal phy supported\n"); @@ -189,11 +190,17 @@ static int sr_mdio_read(struct net_device *netdev, int phy_id, int loc) if (loc == MII_BMSR) { u8 value; - sr_read_reg(dev, SR_NSR, &value); + err = sr_read_reg(dev, SR_NSR, &value); + if (err < 0) + return err; + if (value & NSR_LINKST) rc = 1; } - sr_share_read_word(dev, 1, loc, &res); + err = sr_share_read_word(dev, 1, loc, &res); + if (err < 0) + return err; + if (rc == 1) res = le16_to_cpu(res) | BMSR_LSTATUS; else @@ -320,6 +327,7 @@ static int sr9700_bind(struct usbnet *dev, struct usb_interface *intf) { struct net_device *netdev; struct mii_if_info *mii; + u8 addr[ETH_ALEN]; int ret; ret = usbnet_get_endpoints(dev, intf); @@ -350,11 +358,12 @@ static int sr9700_bind(struct usbnet *dev, struct usb_interface *intf) * EEPROM automatically to PAR. In case there is no EEPROM externally, * a default MAC address is stored in PAR for making chip work properly. */ - if (sr_read(dev, SR_PAR, ETH_ALEN, netdev->dev_addr) < 0) { + if (sr_read(dev, SR_PAR, ETH_ALEN, addr) < 0) { netdev_err(netdev, "Error reading MAC address\n"); ret = -ENODEV; goto out; } + eth_hw_addr_set(netdev, addr); /* power up and reset phy */ sr_write_reg(dev, SR_PRR, PRR_PHY_RST); diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c index 79358369c4..2d553604f1 100644 --- a/drivers/net/usb/sr9800.c +++ b/drivers/net/usb/sr9800.c @@ -731,6 +731,7 @@ static int sr9800_bind(struct usbnet *dev, struct usb_interface *intf) struct sr_data *data = (struct sr_data *)&dev->data; u16 led01_mux, led23_mux; int ret, embd_phy; + u8 addr[ETH_ALEN]; u32 phyid; u16 rx_ctl; @@ -756,12 +757,12 @@ static int sr9800_bind(struct usbnet *dev, struct usb_interface *intf) } /* Get the MAC address */ - ret = sr_read_cmd(dev, SR_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, - dev->net->dev_addr); + ret = sr_read_cmd(dev, SR_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, addr); if (ret < 0) { netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret); return ret; } + eth_hw_addr_set(dev->net, addr); netdev_dbg(dev->net, "mac addr : %pM\n", dev->net->dev_addr); /* Initialize MII structure */ diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 566aa01ad2..f66975c452 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -64,9 +64,6 @@ /*-------------------------------------------------------------------------*/ -// randomly generated ethernet address -static u8 node_id [ETH_ALEN]; - /* use ethtool to change the level for any given device */ static int msg_level = -1; module_param (msg_level, int, 0); @@ -165,12 +162,13 @@ EXPORT_SYMBOL_GPL(usbnet_get_endpoints); int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress) { + u8 addr[ETH_ALEN]; int tmp = -1, ret; unsigned char buf [13]; ret = usb_string(dev->udev, iMACAddress, buf, sizeof buf); if (ret == 12) - tmp = hex2bin(dev->net->dev_addr, buf, 6); + tmp = hex2bin(addr, buf, 6); if (tmp < 0) { dev_dbg(&dev->udev->dev, "bad MAC string %d fetch, %d\n", iMACAddress, tmp); @@ -178,6 +176,7 @@ int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress) ret = -EINVAL; return ret; } + eth_hw_addr_set(dev->net, addr); return 0; } EXPORT_SYMBOL_GPL(usbnet_get_ethernet_addr); @@ -468,10 +467,15 @@ static enum skb_state defer_bh(struct usbnet *dev, struct sk_buff *skb, void usbnet_defer_kevent (struct usbnet *dev, int work) { set_bit (work, &dev->flags); - if (!schedule_work (&dev->kevent)) - netdev_dbg(dev->net, "kevent %s may have been dropped\n", usbnet_event_names[work]); - else - netdev_dbg(dev->net, "kevent %s scheduled\n", usbnet_event_names[work]); + if (!usbnet_going_away(dev)) { + if (!schedule_work(&dev->kevent)) + netdev_dbg(dev->net, + "kevent %s may have been dropped\n", + usbnet_event_names[work]); + else + netdev_dbg(dev->net, + "kevent %s scheduled\n", usbnet_event_names[work]); + } } EXPORT_SYMBOL_GPL(usbnet_defer_kevent); @@ -539,7 +543,8 @@ static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags) tasklet_schedule (&dev->bh); break; case 0: - __usbnet_queue_skb(&dev->rxq, skb, rx_start); + if (!usbnet_going_away(dev)) + __usbnet_queue_skb(&dev->rxq, skb, rx_start); } } else { netif_dbg(dev, ifdown, dev->net, "rx: stopped\n"); @@ -849,9 +854,18 @@ int usbnet_stop (struct net_device *net) /* deferred work (timer, softirq, task) must also stop */ dev->flags = 0; - del_timer_sync (&dev->delay); - tasklet_kill (&dev->bh); + del_timer_sync(&dev->delay); + tasklet_kill(&dev->bh); cancel_work_sync(&dev->kevent); + + /* We have cyclic dependencies. Those calls are needed + * to break a cycle. We cannot fall into the gaps because + * we have a flag + */ + tasklet_kill(&dev->bh); + del_timer_sync(&dev->delay); + cancel_work_sync(&dev->kevent); + if (!pm) usb_autopm_put_interface(dev->intf); @@ -1177,7 +1191,8 @@ usbnet_deferred_kevent (struct work_struct *work) status); } else { clear_bit (EVENT_RX_HALT, &dev->flags); - tasklet_schedule (&dev->bh); + if (!usbnet_going_away(dev)) + tasklet_schedule(&dev->bh); } } @@ -1202,7 +1217,8 @@ usbnet_deferred_kevent (struct work_struct *work) usb_autopm_put_interface(dev->intf); fail_lowmem: if (resched) - tasklet_schedule (&dev->bh); + if (!usbnet_going_away(dev)) + tasklet_schedule(&dev->bh); } } @@ -1558,6 +1574,7 @@ static void usbnet_bh (struct timer_list *t) } else if (netif_running (dev->net) && netif_device_present (dev->net) && netif_carrier_ok(dev->net) && + !usbnet_going_away(dev) && !timer_pending(&dev->delay) && !test_bit(EVENT_RX_PAUSED, &dev->flags) && !test_bit(EVENT_RX_HALT, &dev->flags)) { @@ -1605,6 +1622,7 @@ void usbnet_disconnect (struct usb_interface *intf) usb_set_intfdata(intf, NULL); if (!dev) return; + usbnet_mark_going_away(dev); xdev = interface_to_usbdev (intf); @@ -1727,7 +1745,6 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) dev->net = net; strscpy(net->name, "usb%d", sizeof(net->name)); - memcpy (net->dev_addr, node_id, sizeof node_id); /* rx and tx sides can use different message sizes; * bind() should set rx_urb_size in that case. @@ -1752,7 +1769,8 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) // can rename the link if it knows better. if ((dev->driver_info->flags & FLAG_ETHER) != 0 && ((dev->driver_info->flags & FLAG_POINTTOPOINT) == 0 || - (net->dev_addr [0] & 0x02) == 0)) + /* somebody touched it*/ + !is_zero_ether_addr(net->dev_addr))) strscpy(net->name, "eth%d", sizeof(net->name)); /* WLAN devices should always be named "wlan%d" */ if ((dev->driver_info->flags & FLAG_WLAN) != 0) @@ -1801,9 +1819,9 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) goto out4; } - /* let userspace know we have a random address */ - if (ether_addr_equal(net->dev_addr, node_id)) - net->addr_assign_type = NET_ADDR_RANDOM; + /* this flags the device for user space */ + if (!is_valid_ether_addr(net->dev_addr)) + eth_hw_addr_random(net); if ((dev->driver_info->flags & FLAG_WLAN) != 0) SET_NETDEV_DEVTYPE(net, &wlan_type); @@ -1855,6 +1873,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) * may trigger an error resubmitting itself and, worse, * schedule a timer. So we kill it all just in case. */ + usbnet_mark_going_away(dev); cancel_work_sync(&dev->kevent); del_timer_sync(&dev->delay); free_percpu(net->tstats); @@ -2213,7 +2232,6 @@ static int __init usbnet_init(void) BUILD_BUG_ON( sizeof_field(struct sk_buff, cb) < sizeof(struct skb_data)); - eth_random_addr(node_id); return 0; } module_init(usbnet_init); diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 6a655bd442..d8138ad4f8 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1548,7 +1548,7 @@ static bool is_xdp_raw_buffer_queue(struct virtnet_info *vi, int q) return false; } -static void virtnet_poll_cleantx(struct receive_queue *rq) +static void virtnet_poll_cleantx(struct receive_queue *rq, int budget) { struct virtnet_info *vi = rq->vq->vdev->priv; unsigned int index = vq2rxq(rq->vq); @@ -1561,7 +1561,7 @@ static void virtnet_poll_cleantx(struct receive_queue *rq) if (__netif_tx_trylock(txq)) { do { virtqueue_disable_cb(sq->vq); - free_old_xmit_skbs(sq, true); + free_old_xmit_skbs(sq, !!budget); } while (unlikely(!virtqueue_enable_cb_delayed(sq->vq))); if (sq->vq->num_free >= 2 + MAX_SKB_FRAGS) @@ -1580,7 +1580,7 @@ static int virtnet_poll(struct napi_struct *napi, int budget) unsigned int received; unsigned int xdp_xmit = 0; - virtnet_poll_cleantx(rq); + virtnet_poll_cleantx(rq, budget); received = virtnet_receive(rq, budget, &xdp_xmit); @@ -1683,7 +1683,7 @@ static int virtnet_poll_tx(struct napi_struct *napi, int budget) txq = netdev_get_tx_queue(vi->dev, index); __netif_tx_lock(txq, raw_smp_processor_id()); virtqueue_disable_cb(sq->vq); - free_old_xmit_skbs(sq, true); + free_old_xmit_skbs(sq, !!budget); if (sq->vq->num_free >= 2 + MAX_SKB_FRAGS) netif_tx_wake_queue(txq); @@ -3211,8 +3211,16 @@ static int virtnet_probe(struct virtio_device *vdev) dev->features |= dev->hw_features & NETIF_F_ALL_TSO; /* (!csum && gso) case will be fixed by register_netdev() */ } - if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_CSUM)) - dev->features |= NETIF_F_RXCSUM; + + /* 1. With VIRTIO_NET_F_GUEST_CSUM negotiation, the driver doesn't + * need to calculate checksums for partially checksummed packets, + * as they're considered valid by the upper layer. + * 2. Without VIRTIO_NET_F_GUEST_CSUM negotiation, the driver only + * receives fully checksummed packets. The device may assist in + * validating these packets' checksums, so the driver won't have to. + */ + dev->features |= NETIF_F_RXCSUM; + if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) || virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6)) dev->features |= NETIF_F_GRO_HW; diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 091dd7caf1..27ab443ffa 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -471,14 +471,13 @@ static netdev_tx_t vrf_process_v6_outbound(struct sk_buff *skb, memset(&fl6, 0, sizeof(fl6)); /* needed to match OIF rule */ - fl6.flowi6_oif = dev->ifindex; + fl6.flowi6_l3mdev = dev->ifindex; fl6.flowi6_iif = LOOPBACK_IFINDEX; fl6.daddr = iph->daddr; fl6.saddr = iph->saddr; fl6.flowlabel = ip6_flowinfo(iph); fl6.flowi6_mark = skb->mark; fl6.flowi6_proto = iph->nexthdr; - fl6.flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF; dst = ip6_dst_lookup_flow(net, NULL, &fl6, NULL); if (IS_ERR(dst) || dst == dst_null) @@ -550,10 +549,10 @@ static netdev_tx_t vrf_process_v4_outbound(struct sk_buff *skb, memset(&fl4, 0, sizeof(fl4)); /* needed to match OIF rule */ - fl4.flowi4_oif = vrf_dev->ifindex; + fl4.flowi4_l3mdev = vrf_dev->ifindex; fl4.flowi4_iif = LOOPBACK_IFINDEX; fl4.flowi4_tos = RT_TOS(ip4h->tos); - fl4.flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_SKIP_NH_OIF; + fl4.flowi4_flags = FLOWI_FLAG_ANYSRC; fl4.flowi4_proto = ip4h->protocol; fl4.daddr = ip4h->daddr; fl4.saddr = ip4h->saddr; @@ -1385,8 +1384,8 @@ static struct sk_buff *vrf_ip6_rcv(struct net_device *vrf_dev, /* loopback, multicast & non-ND link-local traffic; do not push through * packet taps again. Reset pkt_type for upper layers to process skb. - * For strict packets with a source LLA, determine the dst using the - * original ifindex. + * For non-loopback strict packets, determine the dst using the original + * ifindex. */ if (skb->pkt_type == PACKET_LOOPBACK || (need_strict && !is_ndisc)) { skb->dev = vrf_dev; @@ -1395,7 +1394,7 @@ static struct sk_buff *vrf_ip6_rcv(struct net_device *vrf_dev, if (skb->pkt_type == PACKET_LOOPBACK) skb->pkt_type = PACKET_HOST; - else if (ipv6_addr_type(&ipv6_hdr(skb)->saddr) & IPV6_ADDR_LINKLOCAL) + else vrf_ip6_input_dst(skb, vrf_dev, orig_iif); goto out; diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c index 41b1b23fdd..65a2f4ab89 100644 --- a/drivers/net/vxlan/vxlan_core.c +++ b/drivers/net/vxlan/vxlan_core.c @@ -1493,6 +1493,10 @@ static bool vxlan_snoop(struct net_device *dev, struct vxlan_fdb *f; u32 ifindex = 0; + /* Ignore packets from invalid src-address */ + if (!is_valid_ether_addr(src_mac)) + return true; + #if IS_ENABLED(CONFIG_IPV6) if (src_ip->sa.sa_family == AF_INET6 && (ipv6_addr_type(&src_ip->sin6.sin6_addr) & IPV6_ADDR_LINKLOCAL)) diff --git a/drivers/net/wireguard/allowedips.c b/drivers/net/wireguard/allowedips.c index 0ba714ca51..4b8528206c 100644 --- a/drivers/net/wireguard/allowedips.c +++ b/drivers/net/wireguard/allowedips.c @@ -15,8 +15,8 @@ static void swap_endian(u8 *dst, const u8 *src, u8 bits) if (bits == 32) { *(u32 *)dst = be32_to_cpu(*(const __be32 *)src); } else if (bits == 128) { - ((u64 *)dst)[0] = be64_to_cpu(((const __be64 *)src)[0]); - ((u64 *)dst)[1] = be64_to_cpu(((const __be64 *)src)[1]); + ((u64 *)dst)[0] = get_unaligned_be64(src); + ((u64 *)dst)[1] = get_unaligned_be64(src + 8); } } diff --git a/drivers/net/wireguard/queueing.h b/drivers/net/wireguard/queueing.h index a2e702f8c5..5d2480d90f 100644 --- a/drivers/net/wireguard/queueing.h +++ b/drivers/net/wireguard/queueing.h @@ -126,10 +126,10 @@ static inline int wg_cpumask_choose_online(int *stored_cpu, unsigned int id) */ static inline int wg_cpumask_next_online(int *last_cpu) { - int cpu = cpumask_next(*last_cpu, cpu_online_mask); + int cpu = cpumask_next(READ_ONCE(*last_cpu), cpu_online_mask); if (cpu >= nr_cpu_ids) cpu = cpumask_first(cpu_online_mask); - *last_cpu = cpu; + WRITE_ONCE(*last_cpu, cpu); return cpu; } diff --git a/drivers/net/wireguard/send.c b/drivers/net/wireguard/send.c index 0d48e0f4a1..26e09c30d5 100644 --- a/drivers/net/wireguard/send.c +++ b/drivers/net/wireguard/send.c @@ -222,7 +222,7 @@ void wg_packet_send_keepalive(struct wg_peer *peer) { struct sk_buff *skb; - if (skb_queue_empty(&peer->staged_packet_queue)) { + if (skb_queue_empty_lockless(&peer->staged_packet_queue)) { skb = alloc_skb(DATA_PACKET_HEAD_ROOM + MESSAGE_MINIMUM_LENGTH, GFP_ATOMIC); if (unlikely(!skb)) diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h index f02a308a9f..34654f710d 100644 --- a/drivers/net/wireless/ath/ath.h +++ b/drivers/net/wireless/ath/ath.h @@ -171,8 +171,10 @@ struct ath_common { unsigned int clockrate; spinlock_t cc_lock; - struct ath_cycle_counters cc_ani; - struct ath_cycle_counters cc_survey; + struct_group(cc, + struct ath_cycle_counters cc_ani; + struct ath_cycle_counters cc_survey; + ); struct ath_regulatory regulatory; struct ath_regulatory reg_world_copy; diff --git a/drivers/net/wireless/ath/ath10k/Kconfig b/drivers/net/wireless/ath/ath10k/Kconfig index ca007b800f..02ca6f8d78 100644 --- a/drivers/net/wireless/ath/ath10k/Kconfig +++ b/drivers/net/wireless/ath/ath10k/Kconfig @@ -44,6 +44,7 @@ config ATH10K_SNOC tristate "Qualcomm ath10k SNOC support" depends on ATH10K depends on ARCH_QCOM || COMPILE_TEST + depends on QCOM_RPROC_COMMON || QCOM_RPROC_COMMON=n select QCOM_SCM select QCOM_QMI_HELPERS help diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c index d5dafbecc1..117616ac6b 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c @@ -3035,9 +3035,14 @@ ath10k_wmi_tlv_op_cleanup_mgmt_tx_send(struct ath10k *ar, struct sk_buff *msdu) { struct ath10k_skb_cb *cb = ATH10K_SKB_CB(msdu); + struct ath10k_mgmt_tx_pkt_addr *pkt_addr; struct ath10k_wmi *wmi = &ar->wmi; - idr_remove(&wmi->mgmt_pending_tx, cb->msdu_id); + spin_lock_bh(&ar->data_lock); + pkt_addr = idr_remove(&wmi->mgmt_pending_tx, cb->msdu_id); + spin_unlock_bh(&ar->data_lock); + + kfree(pkt_addr); return 0; } diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index c8ccea542f..572aabc054 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2440,6 +2440,7 @@ wmi_process_mgmt_tx_comp(struct ath10k *ar, struct mgmt_tx_compl_params *param) dma_unmap_single(ar->dev, pkt_addr->paddr, msdu->len, DMA_TO_DEVICE); info = IEEE80211_SKB_CB(msdu); + kfree(pkt_addr); if (param->status) { info->flags &= ~IEEE80211_TX_STAT_ACK; @@ -9581,6 +9582,7 @@ static int ath10k_wmi_mgmt_tx_clean_up_pending(int msdu_id, void *ptr, dma_unmap_single(ar->dev, pkt_addr->paddr, msdu->len, DMA_TO_DEVICE); ieee80211_free_txskb(ar->hw, msdu); + kfree(pkt_addr); return 0; } diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c index dfdb2eeaf0..318c3bfd45 100644 --- a/drivers/net/wireless/ath/ath11k/dp_rx.c +++ b/drivers/net/wireless/ath/ath11k/dp_rx.c @@ -1861,8 +1861,7 @@ static void ath11k_dp_rx_h_csum_offload(struct ath11k *ar, struct sk_buff *msdu) CHECKSUM_NONE : CHECKSUM_UNNECESSARY; } -static int ath11k_dp_rx_crypto_mic_len(struct ath11k *ar, - enum hal_encrypt_type enctype) +int ath11k_dp_rx_crypto_mic_len(struct ath11k *ar, enum hal_encrypt_type enctype) { switch (enctype) { case HAL_ENCRYPT_TYPE_OPEN: @@ -2638,7 +2637,7 @@ int ath11k_dp_process_rx(struct ath11k_base *ab, int ring_id, if (push_reason != HAL_REO_DEST_RING_PUSH_REASON_ROUTING_INSTRUCTION) { dev_kfree_skb_any(msdu); - ab->soc_stats.hal_reo_error[dp->reo_dst_ring[ring_id].ring_id]++; + ab->soc_stats.hal_reo_error[ring_id]++; continue; } diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.h b/drivers/net/wireless/ath/ath11k/dp_rx.h index 623da3bf9d..c322e30caa 100644 --- a/drivers/net/wireless/ath/ath11k/dp_rx.h +++ b/drivers/net/wireless/ath/ath11k/dp_rx.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. + * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef ATH11K_DP_RX_H #define ATH11K_DP_RX_H @@ -95,4 +96,6 @@ int ath11k_peer_rx_frag_setup(struct ath11k *ar, const u8 *peer_mac, int vdev_id int ath11k_dp_rx_pktlog_start(struct ath11k_base *ab); int ath11k_dp_rx_pktlog_stop(struct ath11k_base *ab, bool stop_timer); +int ath11k_dp_rx_crypto_mic_len(struct ath11k *ar, enum hal_encrypt_type enctype); + #endif /* ATH11K_DP_RX_H */ diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index c58fd836d4..81a8e1102d 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -2675,6 +2675,7 @@ static int ath11k_install_key(struct ath11k_vif *arvif, switch (key->cipher) { case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_CCMP_256: arg.key_cipher = WMI_CIPHER_AES_CCM; /* TODO: Re-check if flag is valid */ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; @@ -2684,12 +2685,10 @@ static int ath11k_install_key(struct ath11k_vif *arvif, arg.key_txmic_len = 8; arg.key_rxmic_len = 8; break; - case WLAN_CIPHER_SUITE_CCMP_256: - arg.key_cipher = WMI_CIPHER_AES_CCM; - break; case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_GCMP_256: arg.key_cipher = WMI_CIPHER_AES_GCM; + key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; break; default: ath11k_warn(ar->ab, "cipher %d is not supported\n", key->cipher); @@ -4204,7 +4203,10 @@ static int ath11k_mac_mgmt_tx_wmi(struct ath11k *ar, struct ath11k_vif *arvif, { struct ath11k_base *ab = ar->ab; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb); struct ieee80211_tx_info *info; + enum hal_encrypt_type enctype; + unsigned int mic_len; dma_addr_t paddr; int buf_id; int ret; @@ -4224,7 +4226,12 @@ static int ath11k_mac_mgmt_tx_wmi(struct ath11k *ar, struct ath11k_vif *arvif, ieee80211_is_deauth(hdr->frame_control) || ieee80211_is_disassoc(hdr->frame_control)) && ieee80211_has_protected(hdr->frame_control)) { - skb_put(skb, IEEE80211_CCMP_MIC_LEN); + if (!(skb_cb->flags & ATH11K_SKB_CIPHER_SET)) + ath11k_warn(ab, "WMI management tx frame without ATH11K_SKB_CIPHER_SET"); + + enctype = ath11k_dp_tx_get_encrypt_type(skb_cb->cipher); + mic_len = ath11k_dp_rx_crypto_mic_len(ar, enctype); + skb_put(skb, mic_len); } } diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 6a043a49df..f05ebf10f1 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -1316,11 +1316,11 @@ void ath9k_get_et_stats(struct ieee80211_hw *hw, struct ath_softc *sc = hw->priv; int i = 0; - data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all + + data[i++] = ((u64)sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all); - data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all + + data[i++] = ((u64)sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all); @@ -1371,8 +1371,6 @@ int ath9k_init_debug(struct ath_hw *ah) sc->debug.debugfs_phy = debugfs_create_dir("ath9k", sc->hw->wiphy->debugfsdir); - if (!sc->debug.debugfs_phy) - return -ENOMEM; #ifdef CONFIG_ATH_DEBUG debugfs_create_file("debug", 0600, sc->debug.debugfs_phy, diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index e0130beb30..6c73c0c0b8 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -718,8 +718,7 @@ static void ath9k_hif_usb_rx_cb(struct urb *urb) } resubmit: - skb_reset_tail_pointer(skb); - skb_trim(skb, 0); + __skb_set_length(skb, 0); usb_anchor_urb(urb, &hif_dev->rx_submitted); ret = usb_submit_urb(urb, GFP_ATOMIC); @@ -756,8 +755,7 @@ static void ath9k_hif_usb_reg_in_cb(struct urb *urb) case -ESHUTDOWN: goto free_skb; default: - skb_reset_tail_pointer(skb); - skb_trim(skb, 0); + __skb_set_length(skb, 0); goto resubmit; } diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c index e79bbcd327..81332086e2 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c @@ -491,8 +491,6 @@ int ath9k_htc_init_debug(struct ath_hw *ah) priv->debug.debugfs_phy = debugfs_create_dir(KBUILD_MODNAME, priv->hw->wiphy->debugfsdir); - if (IS_ERR(priv->debug.debugfs_phy)) - return -ENOMEM; ath9k_cmn_spectral_init_debug(&priv->spec_priv, priv->debug.debugfs_phy); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 9e6d088bd2..1b71fb1d04 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -135,8 +135,7 @@ void ath9k_ps_wakeup(struct ath_softc *sc) if (power_mode != ATH9K_PM_AWAKE) { spin_lock(&common->cc_lock); ath_hw_cycle_counters_update(common); - memset(&common->cc_survey, 0, sizeof(common->cc_survey)); - memset(&common->cc_ani, 0, sizeof(common->cc_ani)); + memset(&common->cc, 0, sizeof(common->cc)); spin_unlock(&common->cc_lock); } diff --git a/drivers/net/wireless/broadcom/brcm80211/Kconfig b/drivers/net/wireless/broadcom/brcm80211/Kconfig index 5bf2318763..8f51099e15 100644 --- a/drivers/net/wireless/broadcom/brcm80211/Kconfig +++ b/drivers/net/wireless/broadcom/brcm80211/Kconfig @@ -23,6 +23,7 @@ source "drivers/net/wireless/broadcom/brcm80211/brcmfmac/Kconfig" config BRCM_TRACING bool "Broadcom device tracing" depends on BRCMSMAC || BRCMFMAC + depends on TRACING help If you say Y here, the Broadcom wireless drivers will register with ftrace to dump event information into the trace ringbuffer. diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c index eadac0f559..e09f5416ab 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c @@ -1088,6 +1088,7 @@ static int ieee_hw_init(struct ieee80211_hw *hw) ieee80211_hw_set(hw, AMPDU_AGGREGATION); ieee80211_hw_set(hw, SIGNAL_DBM); ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); + ieee80211_hw_set(hw, MFP_CAPABLE); hw->extra_tx_headroom = brcms_c_get_header_len(); hw->queues = N_TX_QUEUES; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c index 7717eb85a1..47c0e8e429 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c @@ -2567,7 +2567,6 @@ wlc_lcnphy_tx_iqlo_cal(struct brcms_phy *pi, struct lcnphy_txgains cal_gains, temp_gains; u16 hash; - u8 band_idx; int j; u16 ncorr_override[5]; u16 syst_coeffs[] = { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, @@ -2599,6 +2598,9 @@ wlc_lcnphy_tx_iqlo_cal(struct brcms_phy *pi, u16 *values_to_save; struct brcms_phy_lcnphy *pi_lcn = pi->u.pi_lcnphy; + if (WARN_ON(CHSPEC_IS5G(pi->radio_chanspec))) + return; + values_to_save = kmalloc_array(20, sizeof(u16), GFP_ATOMIC); if (NULL == values_to_save) return; @@ -2662,20 +2664,18 @@ wlc_lcnphy_tx_iqlo_cal(struct brcms_phy *pi, hash = (target_gains->gm_gain << 8) | (target_gains->pga_gain << 4) | (target_gains->pad_gain); - band_idx = (CHSPEC_IS5G(pi->radio_chanspec) ? 1 : 0); - cal_gains = *target_gains; memset(ncorr_override, 0, sizeof(ncorr_override)); - for (j = 0; j < iqcal_gainparams_numgains_lcnphy[band_idx]; j++) { - if (hash == tbl_iqcal_gainparams_lcnphy[band_idx][j][0]) { + for (j = 0; j < iqcal_gainparams_numgains_lcnphy[0]; j++) { + if (hash == tbl_iqcal_gainparams_lcnphy[0][j][0]) { cal_gains.gm_gain = - tbl_iqcal_gainparams_lcnphy[band_idx][j][1]; + tbl_iqcal_gainparams_lcnphy[0][j][1]; cal_gains.pga_gain = - tbl_iqcal_gainparams_lcnphy[band_idx][j][2]; + tbl_iqcal_gainparams_lcnphy[0][j][2]; cal_gains.pad_gain = - tbl_iqcal_gainparams_lcnphy[band_idx][j][3]; + tbl_iqcal_gainparams_lcnphy[0][j][3]; memcpy(ncorr_override, - &tbl_iqcal_gainparams_lcnphy[band_idx][j][3], + &tbl_iqcal_gainparams_lcnphy[0][j][3], sizeof(ncorr_override)); break; } diff --git a/drivers/net/wireless/intel/iwlegacy/common.c b/drivers/net/wireless/intel/iwlegacy/common.c index 83c1ff0d66..8c6c153c45 100644 --- a/drivers/net/wireless/intel/iwlegacy/common.c +++ b/drivers/net/wireless/intel/iwlegacy/common.c @@ -4960,6 +4960,8 @@ il_pci_resume(struct device *device) */ pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00); + _il_wr(il, CSR_INT, 0xffffffff); + _il_wr(il, CSR_FH_INT_STATUS, 0xffffffff); il_enable_interrupts(il); if (!(_il_rd(il, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index f34a02b33c..fc630a0d9c 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -2862,7 +2862,7 @@ void iwl_fw_dbg_stop_restart_recording(struct iwl_fw_runtime *fwrt, { int ret __maybe_unused = 0; - if (test_bit(STATUS_FW_ERROR, &fwrt->trans->status)) + if (!iwl_trans_fw_running(fwrt->trans)) return; if (fw_has_capa(&fwrt->fw->ucode_capa, diff --git a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c index e372f935f6..6da3934b8e 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c @@ -163,7 +163,11 @@ static int iwl_dbgfs_enabled_severities_write(struct iwl_fw_runtime *fwrt, event_cfg.enabled_severities = cpu_to_le32(enabled_severities); - ret = iwl_trans_send_cmd(fwrt->trans, &hcmd); + if (fwrt->ops && fwrt->ops->send_hcmd) + ret = fwrt->ops->send_hcmd(fwrt->ops_ctx, &hcmd); + else + ret = -EPERM; + IWL_INFO(fwrt, "sent host event cfg with enabled_severities: %u, ret: %d\n", enabled_severities, ret); @@ -248,8 +252,7 @@ static ssize_t iwl_dbgfs_send_hcmd_write(struct iwl_fw_runtime *fwrt, char *buf, .data = { NULL, }, }; - if (fwrt->ops && fwrt->ops->fw_running && - !fwrt->ops->fw_running(fwrt->ops_ctx)) + if (!iwl_trans_fw_running(fwrt->trans)) return -EIO; if (count < header_size + 1 || count > 1024 * 4) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h index 35af85a543..297ff92de9 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h @@ -18,7 +18,6 @@ struct iwl_fw_runtime_ops { int (*dump_start)(void *ctx); void (*dump_end)(void *ctx); - bool (*fw_running)(void *ctx); int (*send_hcmd)(void *ctx, struct iwl_host_cmd *host_cmd); bool (*d3_debug_enable)(void *ctx); }; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index 524b0ad873..afa89deb7b 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -1667,8 +1667,8 @@ struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) err_fw: #ifdef CONFIG_IWLWIFI_DEBUGFS debugfs_remove_recursive(drv->dbgfs_drv); - iwl_dbg_tlv_free(drv->trans); #endif + iwl_dbg_tlv_free(drv->trans); kfree(drv); err: return ERR_PTR(ret); diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index a2919a32d7..d2b3159934 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -1393,8 +1393,8 @@ static inline void iwl_trans_fw_error(struct iwl_trans *trans, bool sync) /* prevent double restarts due to the same erroneous FW */ if (!test_and_set_bit(STATUS_FW_ERROR, &trans->status)) { - iwl_op_mode_nic_error(trans->op_mode, sync); trans->state = IWL_TRANS_NO_FW; + iwl_op_mode_nic_error(trans->op_mode, sync); } } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h index 9d0d01f27d..36042c334a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h @@ -103,7 +103,7 @@ #define IWL_MVM_FTM_INITIATOR_SECURE_LTF false #define IWL_MVM_FTM_RESP_NDP_SUPPORT true #define IWL_MVM_FTM_RESP_LMR_FEEDBACK_SUPPORT true -#define IWL_MVM_FTM_NON_TB_MIN_TIME_BETWEEN_MSR 5 +#define IWL_MVM_FTM_NON_TB_MIN_TIME_BETWEEN_MSR 7 #define IWL_MVM_FTM_NON_TB_MAX_TIME_BETWEEN_MSR 1000 #define IWL_MVM_D3_DEBUG false #define IWL_MVM_USE_TWT true diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index c4c62bcbe6..24c1666b2c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -595,16 +595,25 @@ static void iwl_mvm_wowlan_gtk_type_iter(struct ieee80211_hw *hw, void *_data) { struct wowlan_key_gtk_type_iter *data = _data; + __le32 *cipher = NULL; + + if (key->keyidx == 4 || key->keyidx == 5) + cipher = &data->kek_kck_cmd->igtk_cipher; + if (key->keyidx == 6 || key->keyidx == 7) + cipher = &data->kek_kck_cmd->bigtk_cipher; switch (key->cipher) { default: return; case WLAN_CIPHER_SUITE_BIP_GMAC_256: case WLAN_CIPHER_SUITE_BIP_GMAC_128: - data->kek_kck_cmd->igtk_cipher = cpu_to_le32(STA_KEY_FLG_GCMP); + if (cipher) + *cipher = cpu_to_le32(STA_KEY_FLG_GCMP); return; case WLAN_CIPHER_SUITE_AES_CMAC: - data->kek_kck_cmd->igtk_cipher = cpu_to_le32(STA_KEY_FLG_CCM); + case WLAN_CIPHER_SUITE_BIP_CMAC_256: + if (cipher) + *cipher = cpu_to_le32(STA_KEY_FLG_CCM); return; case WLAN_CIPHER_SUITE_CCMP: if (!sta) @@ -1796,7 +1805,8 @@ static bool iwl_mvm_setup_connection_keep(struct iwl_mvm *mvm, out: if (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, - WOWLAN_GET_STATUSES, 0) < 10) { + WOWLAN_GET_STATUSES, + IWL_FW_CMD_VER_UNKNOWN) < 10) { mvmvif->seqno_valid = true; /* +0x10 because the set API expects next-to-use, not last-used */ mvmvif->seqno = le16_to_cpu(status->non_qos_seq_ctr) + 0x10; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index d22a5628f9..3009fff908 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -95,20 +95,10 @@ void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm, { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data; - __le32 *dump_data = mfu_dump_notif->data; - int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32); - int i; if (mfu_dump_notif->index_num == 0) IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n", le32_to_cpu(mfu_dump_notif->assert_id)); - - for (i = 0; i < n_words; i++) - IWL_DEBUG_INFO(mvm, - "MFUART assert dump, dword %u: 0x%08x\n", - le16_to_cpu(mfu_dump_notif->index_num) * - n_words + i, - le32_to_cpu(dump_data[i])); } static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, @@ -1282,11 +1272,18 @@ void iwl_mvm_get_acpi_tables(struct iwl_mvm *mvm) } #endif /* CONFIG_ACPI */ +static void iwl_mvm_disconnect_iterator(void *data, u8 *mac, + struct ieee80211_vif *vif) +{ + if (vif->type == NL80211_IFTYPE_STATION) + ieee80211_hw_restart_disconnect(vif); +} + void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags) { u32 error_log_size = mvm->fw->ucode_capa.error_log_size; + u32 status = 0; int ret; - u32 resp; struct iwl_fw_error_recovery_cmd recovery_cmd = { .flags = cpu_to_le32(flags), @@ -1294,7 +1291,6 @@ void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags) }; struct iwl_host_cmd host_cmd = { .id = WIDE_ID(SYSTEM_GROUP, FW_ERROR_RECOVERY_CMD), - .flags = CMD_WANT_SKB, .data = {&recovery_cmd, }, .len = {sizeof(recovery_cmd), }, }; @@ -1314,7 +1310,7 @@ void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags) recovery_cmd.buf_size = cpu_to_le32(error_log_size); } - ret = iwl_mvm_send_cmd(mvm, &host_cmd); + ret = iwl_mvm_send_cmd_status(mvm, &host_cmd, &status); kfree(mvm->error_recovery_buf); mvm->error_recovery_buf = NULL; @@ -1325,11 +1321,15 @@ void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags) /* skb respond is only relevant in ERROR_RECOVERY_UPDATE_DB */ if (flags & ERROR_RECOVERY_UPDATE_DB) { - resp = le32_to_cpu(*(__le32 *)host_cmd.resp_pkt->data); - if (resp) + if (status) { IWL_ERR(mvm, "Failed to send recovery cmd blob was invalid %d\n", - resp); + status); + + ieee80211_iterate_interfaces(mvm->hw, 0, + iwl_mvm_disconnect_iterator, + mvm); + } } } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index fa7de3e47b..0e2841fc84 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -4776,6 +4776,10 @@ static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) int i; if (!iwl_mvm_has_new_tx_api(mvm)) { + /* we can't ask the firmware anything if it is dead */ + if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, + &mvm->status)) + return; if (drop) { mutex_lock(&mvm->mutex); iwl_mvm_flush_tx_path(mvm, @@ -4857,8 +4861,11 @@ static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, /* this can take a while, and we may need/want other operations * to succeed while doing this, so do it without the mutex held + * If the firmware is dead, this can't work... */ - if (!drop && !iwl_mvm_has_new_tx_api(mvm)) + if (!drop && !iwl_mvm_has_new_tx_api(mvm) && + !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, + &mvm->status)) iwl_trans_wait_tx_queues_empty(mvm->trans, msk); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 01f65c9789..e2c244ceaf 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -653,11 +653,6 @@ static void iwl_mvm_fwrt_dump_end(void *ctx) mutex_unlock(&mvm->mutex); } -static bool iwl_mvm_fwrt_fw_running(void *ctx) -{ - return iwl_mvm_firmware_running(ctx); -} - static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) { struct iwl_mvm *mvm = (struct iwl_mvm *)ctx; @@ -678,7 +673,6 @@ static bool iwl_mvm_d3_debug_enable(void *ctx) static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { .dump_start = iwl_mvm_fwrt_dump_start, .dump_end = iwl_mvm_fwrt_dump_end, - .fw_running = iwl_mvm_fwrt_fw_running, .send_hcmd = iwl_mvm_fwrt_send_hcmd, .d3_debug_enable = iwl_mvm_d3_debug_enable, }; @@ -1024,6 +1018,8 @@ void iwl_mvm_stop_device(struct iwl_mvm *mvm) clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); + iwl_mvm_pause_tcm(mvm, false); + iwl_fw_dbg_stop_sync(&mvm->fwrt); iwl_trans_stop_device(mvm->trans); iwl_free_fw_paging(&mvm->fwrt); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h index 32104c9f8f..d59a47637d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h @@ -133,13 +133,8 @@ enum { #define LINK_QUAL_AGG_FRAME_LIMIT_DEF (63) #define LINK_QUAL_AGG_FRAME_LIMIT_MAX (63) -/* - * FIXME - various places in firmware API still use u8, - * e.g. LQ command and SCD config command. - * This should be 256 instead. - */ -#define LINK_QUAL_AGG_FRAME_LIMIT_GEN2_DEF (255) -#define LINK_QUAL_AGG_FRAME_LIMIT_GEN2_MAX (255) +#define LINK_QUAL_AGG_FRAME_LIMIT_GEN2_DEF (64) +#define LINK_QUAL_AGG_FRAME_LIMIT_GEN2_MAX (64) #define LINK_QUAL_AGG_FRAME_LIMIT_MIN (0) #define LQ_SIZE 2 /* 2 mode tables: "Active" and "Search" */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index c0ffa26bc5..16818dcdae 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -834,8 +834,8 @@ static inline bool iwl_mvm_scan_fits(struct iwl_mvm *mvm, int n_ssids, return ((n_ssids <= PROBE_OPTION_MAX) && (n_channels <= mvm->fw->ucode_capa.n_scan_channels) & (ies->common_ie_len + - ies->len[NL80211_BAND_2GHZ] + - ies->len[NL80211_BAND_5GHZ] <= + ies->len[NL80211_BAND_2GHZ] + ies->len[NL80211_BAND_5GHZ] + + ies->len[NL80211_BAND_6GHZ] <= iwl_mvm_max_scan_ie_fw_cmd_room(mvm))); } @@ -1312,7 +1312,7 @@ static void iwl_mvm_scan_umac_dwell(struct iwl_mvm *mvm, if (IWL_MVM_ADWELL_MAX_BUDGET) cmd->v7.adwell_max_budget = cpu_to_le16(IWL_MVM_ADWELL_MAX_BUDGET); - else if (params->ssids && params->ssids[0].ssid_len) + else if (params->n_ssids && params->ssids[0].ssid_len) cmd->v7.adwell_max_budget = cpu_to_le16(IWL_SCAN_ADWELL_MAX_BUDGET_DIRECTED_SCAN); else @@ -1414,7 +1414,7 @@ iwl_mvm_scan_umac_dwell_v10(struct iwl_mvm *mvm, if (IWL_MVM_ADWELL_MAX_BUDGET) general_params->adwell_max_budget = cpu_to_le16(IWL_MVM_ADWELL_MAX_BUDGET); - else if (params->ssids && params->ssids[0].ssid_len) + else if (params->n_ssids && params->ssids[0].ssid_len) general_params->adwell_max_budget = cpu_to_le16(IWL_SCAN_ADWELL_MAX_BUDGET_DIRECTED_SCAN); else @@ -1721,7 +1721,10 @@ iwl_mvm_umac_scan_fill_6g_chan_list(struct iwl_mvm *mvm, break; } - if (k == idex_b && idex_b < SCAN_BSSID_MAX_SIZE) { + if (k == idex_b && idex_b < SCAN_BSSID_MAX_SIZE && + !WARN_ONCE(!is_valid_ether_addr(scan_6ghz_params[j].bssid), + "scan: invalid BSSID at index %u, index_b=%u\n", + j, idex_b)) { memcpy(&pp->bssid_array[idex_b++], scan_6ghz_params[j].bssid, ETH_ALEN); } @@ -1750,7 +1753,8 @@ iwl_mvm_umac_scan_cfg_channels_v6_6g(struct iwl_mvm_scan_params *params, &cp->channel_config[i]; u32 s_ssid_bitmap = 0, bssid_bitmap = 0, flags = 0; - u8 j, k, s_max = 0, b_max = 0, n_used_bssid_entries; + u8 k, s_max = 0, b_max = 0, n_used_bssid_entries; + u32 j; bool force_passive, found = false, allow_passive = true, unsolicited_probe_on_chan = false, psc_no_listen = false; @@ -2772,18 +2776,16 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, params.n_channels = j; } - if (non_psc_included && - !iwl_mvm_scan_fits(mvm, req->n_ssids, ies, params.n_channels)) { - kfree(params.channels); - return -ENOBUFS; + if (!iwl_mvm_scan_fits(mvm, req->n_ssids, ies, params.n_channels)) { + ret = -ENOBUFS; + goto out; } uid = iwl_mvm_build_scan_cmd(mvm, vif, &hcmd, ¶ms, type); - - if (non_psc_included) - kfree(params.channels); - if (uid < 0) - return uid; + if (uid < 0) { + ret = uid; + goto out; + } ret = iwl_mvm_send_cmd(mvm, &hcmd); if (!ret) { @@ -2800,6 +2802,9 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED; } +out: + if (non_psc_included) + kfree(params.channels); return ret; } @@ -3065,7 +3070,7 @@ int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify) if (!(mvm->scan_status & type)) return 0; - if (iwl_mvm_is_radio_killed(mvm)) { + if (!test_bit(STATUS_DEVICE_ENABLED, &mvm->trans->status)) { ret = 0; goto out; } diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c index 239a722cd7..ae55bde3a5 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c @@ -64,7 +64,8 @@ iwl_pcie_ctxt_info_dbg_enable(struct iwl_trans *trans, } break; default: - IWL_ERR(trans, "WRT: Invalid buffer destination\n"); + IWL_DEBUG_FW(trans, "WRT: Invalid buffer destination (%d)\n", + le32_to_cpu(fw_mon_cfg->buf_location)); } out: if (dbg_flags) diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 017d9e03d6..0273d3e5e0 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -930,6 +930,8 @@ mwifiex_init_new_priv_params(struct mwifiex_private *priv, return -EOPNOTSUPP; } + priv->bss_num = mwifiex_get_unused_bss_num(adapter, priv->bss_type); + spin_lock_irqsave(&adapter->main_proc_lock, flags); adapter->main_locked = false; spin_unlock_irqrestore(&adapter->main_proc_lock, flags); @@ -4326,11 +4328,27 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info)) wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); - wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz; - if (adapter->config_bands & BAND_A) - wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz; - else + wiphy->bands[NL80211_BAND_2GHZ] = devm_kmemdup(adapter->dev, + &mwifiex_band_2ghz, + sizeof(mwifiex_band_2ghz), + GFP_KERNEL); + if (!wiphy->bands[NL80211_BAND_2GHZ]) { + ret = -ENOMEM; + goto err; + } + + if (adapter->config_bands & BAND_A) { + wiphy->bands[NL80211_BAND_5GHZ] = devm_kmemdup(adapter->dev, + &mwifiex_band_5ghz, + sizeof(mwifiex_band_5ghz), + GFP_KERNEL); + if (!wiphy->bands[NL80211_BAND_5GHZ]) { + ret = -ENOMEM; + goto err; + } + } else { wiphy->bands[NL80211_BAND_5GHZ] = NULL; + } if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info)) wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs; @@ -4423,8 +4441,7 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) if (ret < 0) { mwifiex_dbg(adapter, ERROR, "%s: wiphy_register failed: %d\n", __func__, ret); - wiphy_free(wiphy); - return ret; + goto err; } if (!adapter->regd) { @@ -4466,4 +4483,9 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) adapter->wiphy = wiphy; return ret; + +err: + wiphy_free(wiphy); + + return ret; } diff --git a/drivers/net/wireless/marvell/mwifiex/fw.h b/drivers/net/wireless/marvell/mwifiex/fw.h index 29140949c0..7779a3a139 100644 --- a/drivers/net/wireless/marvell/mwifiex/fw.h +++ b/drivers/net/wireless/marvell/mwifiex/fw.h @@ -1598,7 +1598,7 @@ struct host_cmd_ds_802_11_scan_rsp { struct host_cmd_ds_802_11_scan_ext { u32 reserved; - u8 tlv_buffer[1]; + u8 tlv_buffer[]; } __packed; struct mwifiex_ie_types_bss_mode { diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h index f4e3dce10d..5b14fe0881 100644 --- a/drivers/net/wireless/marvell/mwifiex/main.h +++ b/drivers/net/wireless/marvell/mwifiex/main.h @@ -1310,6 +1310,9 @@ mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter, for (i = 0; i < adapter->priv_num; i++) { if (adapter->priv[i]) { + if (adapter->priv[i]->bss_mode == NL80211_IFTYPE_UNSPECIFIED) + continue; + if ((adapter->priv[i]->bss_num == bss_num) && (adapter->priv[i]->bss_type == bss_type)) break; diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c index 5ec8a42e71..293ad1e68c 100644 --- a/drivers/net/wireless/marvell/mwifiex/scan.c +++ b/drivers/net/wireless/marvell/mwifiex/scan.c @@ -2560,8 +2560,7 @@ int mwifiex_ret_802_11_scan_ext(struct mwifiex_private *priv, ext_scan_resp = &resp->params.ext_scan; tlv = (void *)ext_scan_resp->tlv_buffer; - buf_left = le16_to_cpu(resp->size) - (sizeof(*ext_scan_resp) + S_DS_GEN - - 1); + buf_left = le16_to_cpu(resp->size) - (sizeof(*ext_scan_resp) + S_DS_GEN); while (buf_left >= sizeof(struct mwifiex_ie_types_header)) { type = le16_to_cpu(tlv->type); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index 47f23ac905..b284e264d8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c @@ -56,6 +56,9 @@ int mt7615_thermal_init(struct mt7615_dev *dev) name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7615_%s", wiphy_name(wiphy)); + if (!name) + return -ENOMEM; + hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, dev, mt7615_hwmon_groups); if (IS_ERR(hwmon)) diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c index 98f651fec3..a5dda20f39 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c @@ -234,7 +234,7 @@ mt76_connac_mcu_add_nested_tlv(struct sk_buff *skb, int tag, int len, }; u16 ntlv; - ptlv = skb_put(skb, len); + ptlv = skb_put_zero(skb, len); memcpy(ptlv, &tlv, sizeof(tlv)); ntlv = le16_to_cpu(ntlv_hdr->tlv_num); @@ -1417,7 +1417,7 @@ int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif, set_bit(MT76_HW_SCANNING, &phy->state); mvif->scan_seq_num = (mvif->scan_seq_num + 1) & 0x7f; - req = (struct mt76_connac_hw_scan_req *)skb_put(skb, sizeof(*req)); + req = (struct mt76_connac_hw_scan_req *)skb_put_zero(skb, sizeof(*req)); req->seq_num = mvif->scan_seq_num | ext_phy << 7; req->bss_idx = mvif->idx; @@ -1535,7 +1535,7 @@ int mt76_connac_mcu_sched_scan_req(struct mt76_phy *phy, mvif->scan_seq_num = (mvif->scan_seq_num + 1) & 0x7f; - req = (struct mt76_connac_sched_scan_req *)skb_put(skb, sizeof(*req)); + req = (struct mt76_connac_sched_scan_req *)skb_put_zero(skb, sizeof(*req)); req->version = 1; req->seq_num = mvif->scan_seq_num | ext_phy << 7; @@ -1985,7 +1985,7 @@ int mt76_connac_mcu_update_gtk_rekey(struct ieee80211_hw *hw, return -ENOMEM; skb_put_data(skb, &hdr, sizeof(hdr)); - gtk_tlv = (struct mt76_connac_gtk_rekey_tlv *)skb_put(skb, + gtk_tlv = (struct mt76_connac_gtk_rekey_tlv *)skb_put_zero(skb, sizeof(*gtk_tlv)); gtk_tlv->tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_GTK_REKEY); gtk_tlv->len = cpu_to_le16(sizeof(*gtk_tlv)); @@ -2107,7 +2107,7 @@ mt76_connac_mcu_set_wow_pattern(struct mt76_dev *dev, return -ENOMEM; skb_put_data(skb, &hdr, sizeof(hdr)); - ptlv = (struct mt76_connac_wow_pattern_tlv *)skb_put(skb, sizeof(*ptlv)); + ptlv = (struct mt76_connac_wow_pattern_tlv *)skb_put_zero(skb, sizeof(*ptlv)); ptlv->tag = cpu_to_le16(UNI_SUSPEND_WOW_PATTERN); ptlv->len = cpu_to_le16(sizeof(*ptlv)); ptlv->data_len = pattern->pattern_len; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index a8a0e6af51..f6e686cc64 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -1653,13 +1653,15 @@ void mt7915_mac_reset_work(struct work_struct *work) set_bit(MT76_RESET, &phy2->mt76->state); cancel_delayed_work_sync(&phy2->mt76->mac_work); } + + mutex_lock(&dev->mt76.mutex); + mt76_worker_disable(&dev->mt76.tx_worker); napi_disable(&dev->mt76.napi[0]); napi_disable(&dev->mt76.napi[1]); napi_disable(&dev->mt76.napi[2]); napi_disable(&dev->mt76.tx_napi); - mutex_lock(&dev->mt76.mutex); mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_STOPPED); diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c index 09ea97a81f..6e8ad657c6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c @@ -526,8 +526,7 @@ static void mt7915_configure_filter(struct ieee80211_hw *hw, MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | MT_WF_RFCR_DROP_RTS | - MT_WF_RFCR_DROP_CTL_RSV | - MT_WF_RFCR_DROP_NDPA); + MT_WF_RFCR_DROP_CTL_RSV); *total_flags = flags; mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 1c900454cf..169055261e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -804,7 +804,7 @@ mt7915_mcu_add_nested_subtlv(struct sk_buff *skb, int sub_tag, int sub_len, .len = cpu_to_le16(sub_len), }; - ptlv = skb_put(skb, sub_len); + ptlv = skb_put_zero(skb, sub_len); memcpy(ptlv, &tlv, sizeof(tlv)); le16_add_cpu(sub_ntlv, 1); diff --git a/drivers/net/wireless/microchip/wilc1000/hif.c b/drivers/net/wireless/microchip/wilc1000/hif.c index fe95a6201a..bfeb4287f0 100644 --- a/drivers/net/wireless/microchip/wilc1000/hif.c +++ b/drivers/net/wireless/microchip/wilc1000/hif.c @@ -364,7 +364,9 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss, struct ieee80211_p2p_noa_attr noa_attr; const struct cfg80211_bss_ies *ies; struct wilc_join_bss_param *param; - u8 rates_len = 0, ies_len; + u8 rates_len = 0; + int ies_len; + u64 ies_tsf; int ret; param = kzalloc(sizeof(*param), GFP_KERNEL); @@ -380,6 +382,7 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss, return NULL; } ies_len = ies->len; + ies_tsf = ies->tsf; rcu_read_unlock(); param->beacon_period = cpu_to_le16(bss->beacon_interval); @@ -435,7 +438,7 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss, IEEE80211_P2P_ATTR_ABSENCE_NOTICE, (u8 *)&noa_attr, sizeof(noa_attr)); if (ret > 0) { - param->tsf_lo = cpu_to_le32(ies->tsf); + param->tsf_lo = cpu_to_le32(ies_tsf); param->noa_enabled = 1; param->idx = noa_attr.index; if (noa_attr.oppps_ctwindow & IEEE80211_P2P_OPPPS_ENABLE_BIT) { diff --git a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c index dec6ffdf07..8d86969aa2 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c @@ -1023,9 +1023,9 @@ static int rt2400pci_set_state(struct rt2x00_dev *rt2x00dev, { u32 reg, reg2; unsigned int i; - char put_to_sleep; - char bbp_state; - char rf_state; + bool put_to_sleep; + u8 bbp_state; + u8 rf_state; put_to_sleep = (state != STATE_AWAKE); @@ -1561,7 +1561,7 @@ static int rt2400pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) { struct hw_mode_spec *spec = &rt2x00dev->spec; struct channel_info *info; - char *tx_power; + u8 *tx_power; unsigned int i; /* diff --git a/drivers/net/wireless/ralink/rt2x00/rt2400pci.h b/drivers/net/wireless/ralink/rt2x00/rt2400pci.h index b8187b6de1..979d5fd8ba 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2400pci.h +++ b/drivers/net/wireless/ralink/rt2x00/rt2400pci.h @@ -939,7 +939,7 @@ #define DEFAULT_TXPOWER 39 #define __CLAMP_TX(__txpower) \ - clamp_t(char, (__txpower), MIN_TXPOWER, MAX_TXPOWER) + clamp_t(u8, (__txpower), MIN_TXPOWER, MAX_TXPOWER) #define TXPOWER_FROM_DEV(__txpower) \ ((__CLAMP_TX(__txpower) - MAX_TXPOWER) + MIN_TXPOWER) diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c index 8faa0a80e7..cd6371e250 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c @@ -1176,9 +1176,9 @@ static int rt2500pci_set_state(struct rt2x00_dev *rt2x00dev, { u32 reg, reg2; unsigned int i; - char put_to_sleep; - char bbp_state; - char rf_state; + bool put_to_sleep; + u8 bbp_state; + u8 rf_state; put_to_sleep = (state != STATE_AWAKE); @@ -1856,7 +1856,7 @@ static int rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) { struct hw_mode_spec *spec = &rt2x00dev->spec; struct channel_info *info; - char *tx_power; + u8 *tx_power; unsigned int i; /* diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500pci.h b/drivers/net/wireless/ralink/rt2x00/rt2500pci.h index 7e64aee2a1..ba362675c5 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2500pci.h +++ b/drivers/net/wireless/ralink/rt2x00/rt2500pci.h @@ -1219,6 +1219,6 @@ (((u8)(__txpower)) > MAX_TXPOWER) ? DEFAULT_TXPOWER : (__txpower) #define TXPOWER_TO_DEV(__txpower) \ - clamp_t(char, __txpower, MIN_TXPOWER, MAX_TXPOWER) + clamp_t(u8, __txpower, MIN_TXPOWER, MAX_TXPOWER) #endif /* RT2500PCI_H */ diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c index bb5ed66306..4f3b0e6c62 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c @@ -984,9 +984,9 @@ static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev, u16 reg; u16 reg2; unsigned int i; - char put_to_sleep; - char bbp_state; - char rf_state; + bool put_to_sleep; + u8 bbp_state; + u8 rf_state; put_to_sleep = (state != STATE_AWAKE); @@ -1663,7 +1663,7 @@ static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) { struct hw_mode_spec *spec = &rt2x00dev->spec; struct channel_info *info; - char *tx_power; + u8 *tx_power; unsigned int i; /* diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500usb.h b/drivers/net/wireless/ralink/rt2x00/rt2500usb.h index 0c070288a1..746f0e950b 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2500usb.h +++ b/drivers/net/wireless/ralink/rt2x00/rt2500usb.h @@ -839,6 +839,6 @@ (((u8)(__txpower)) > MAX_TXPOWER) ? DEFAULT_TXPOWER : (__txpower) #define TXPOWER_TO_DEV(__txpower) \ - clamp_t(char, __txpower, MIN_TXPOWER, MAX_TXPOWER) + clamp_t(u8, __txpower, MIN_TXPOWER, MAX_TXPOWER) #endif /* RT2500USB_H */ diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c index 34788bfb34..bff48fa1a0 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c @@ -3310,10 +3310,10 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev, if (rt2x00_has_cap_bt_coexist(rt2x00dev)) { if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) { /* r55/r59 value array of channel 1~14 */ - static const char r55_bt_rev[] = {0x83, 0x83, + static const u8 r55_bt_rev[] = {0x83, 0x83, 0x83, 0x73, 0x73, 0x63, 0x53, 0x53, 0x53, 0x43, 0x43, 0x43, 0x43, 0x43}; - static const char r59_bt_rev[] = {0x0e, 0x0e, + static const u8 r59_bt_rev[] = {0x0e, 0x0e, 0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07}; @@ -3322,7 +3322,7 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev, rt2800_rfcsr_write(rt2x00dev, 59, r59_bt_rev[idx]); } else { - static const char r59_bt[] = {0x8b, 0x8b, 0x8b, + static const u8 r59_bt[] = {0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89, 0x88, 0x88, 0x86, 0x85, 0x84}; @@ -3330,10 +3330,10 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev, } } else { if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) { - static const char r55_nonbt_rev[] = {0x23, 0x23, + static const u8 r55_nonbt_rev[] = {0x23, 0x23, 0x23, 0x23, 0x13, 0x13, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03}; - static const char r59_nonbt_rev[] = {0x07, 0x07, + static const u8 r59_nonbt_rev[] = {0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x06, 0x05, 0x04, 0x04}; @@ -3344,14 +3344,14 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev, } else if (rt2x00_rt(rt2x00dev, RT5390) || rt2x00_rt(rt2x00dev, RT5392) || rt2x00_rt(rt2x00dev, RT6352)) { - static const char r59_non_bt[] = {0x8f, 0x8f, + static const u8 r59_non_bt[] = {0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d, 0x8a, 0x88, 0x88, 0x87, 0x87, 0x86}; rt2800_rfcsr_write(rt2x00dev, 59, r59_non_bt[idx]); } else if (rt2x00_rt(rt2x00dev, RT5350)) { - static const char r59_non_bt[] = {0x0b, 0x0b, + static const u8 r59_non_bt[] = {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0a, 0x0a, 0x09, 0x08, 0x07, 0x07, 0x06}; @@ -3974,23 +3974,23 @@ static void rt2800_iq_calibrate(struct rt2x00_dev *rt2x00dev, int channel) rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0); } -static char rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev, +static s8 rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev, unsigned int channel, - char txpower) + s8 txpower) { if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) txpower = rt2x00_get_field8(txpower, EEPROM_TXPOWER_ALC); if (channel <= 14) - return clamp_t(char, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER); + return clamp_t(s8, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER); if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) - return clamp_t(char, txpower, MIN_A_TXPOWER_3593, + return clamp_t(s8, txpower, MIN_A_TXPOWER_3593, MAX_A_TXPOWER_3593); else - return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER); + return clamp_t(s8, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER); } static void rt3883_bbp_adjust(struct rt2x00_dev *rt2x00dev, @@ -8492,11 +8492,11 @@ static int rt2800_rf_lp_config(struct rt2x00_dev *rt2x00dev, bool btxcal) return 0; } -static char rt2800_lp_tx_filter_bw_cal(struct rt2x00_dev *rt2x00dev) +static s8 rt2800_lp_tx_filter_bw_cal(struct rt2x00_dev *rt2x00dev) { unsigned int cnt; u8 bbp_val; - char cal_val; + s8 cal_val; rt2800_bbp_dcoc_write(rt2x00dev, 0, 0x82); @@ -8528,7 +8528,7 @@ static void rt2800_bw_filter_calibration(struct rt2x00_dev *rt2x00dev, u8 rx_filter_target_20m = 0x27, rx_filter_target_40m = 0x31; int loop = 0, is_ht40, cnt; u8 bbp_val, rf_val; - char cal_r32_init, cal_r32_val, cal_diff; + s8 cal_r32_init, cal_r32_val, cal_diff; u8 saverfb5r00, saverfb5r01, saverfb5r03, saverfb5r04, saverfb5r05; u8 saverfb5r06, saverfb5r07; u8 saverfb5r08, saverfb5r17, saverfb5r18, saverfb5r19, saverfb5r20; @@ -9979,9 +9979,9 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) { struct hw_mode_spec *spec = &rt2x00dev->spec; struct channel_info *info; - char *default_power1; - char *default_power2; - char *default_power3; + s8 *default_power1; + s8 *default_power2; + s8 *default_power3; unsigned int i, tx_chains, rx_chains; u32 reg; diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h index 1139405c0e..6928f352f6 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h @@ -22,10 +22,10 @@ struct rt2800_drv_data { u8 calibration_bw20; u8 calibration_bw40; - char rx_calibration_bw20; - char rx_calibration_bw40; - char tx_calibration_bw20; - char tx_calibration_bw40; + s8 rx_calibration_bw20; + s8 rx_calibration_bw40; + s8 tx_calibration_bw20; + s8 tx_calibration_bw40; u8 bbp25; u8 bbp26; u8 txmixer_gain_24g; diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c index 74c3d8cb31..8b3c902311 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c @@ -117,12 +117,12 @@ int rt2x00usb_vendor_request_buff(struct rt2x00_dev *rt2x00dev, const u16 buffer_length) { int status = 0; - unsigned char *tb; + u8 *tb; u16 off, len, bsize; mutex_lock(&rt2x00dev->csr_mutex); - tb = (char *)buffer; + tb = (u8 *)buffer; off = offset; len = buffer_length; while (len && !status) { @@ -215,7 +215,7 @@ void rt2x00usb_register_read_async(struct rt2x00_dev *rt2x00dev, rd->cr.wLength = cpu_to_le16(sizeof(u32)); usb_fill_control_urb(urb, usb_dev, usb_rcvctrlpipe(usb_dev, 0), - (unsigned char *)(&rd->cr), &rd->reg, sizeof(rd->reg), + (u8 *)(&rd->cr), &rd->reg, sizeof(rd->reg), rt2x00usb_register_read_async_cb, rd); usb_anchor_urb(urb, rt2x00dev->anchor); if (usb_submit_urb(urb, GFP_ATOMIC) < 0) { diff --git a/drivers/net/wireless/ralink/rt2x00/rt61pci.c b/drivers/net/wireless/ralink/rt2x00/rt61pci.c index 82cfc2aadc..52862955e0 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt61pci.c +++ b/drivers/net/wireless/ralink/rt2x00/rt61pci.c @@ -1709,7 +1709,7 @@ static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { u32 reg, reg2; unsigned int i; - char put_to_sleep; + bool put_to_sleep; put_to_sleep = (state != STATE_AWAKE); @@ -2656,7 +2656,7 @@ static int rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) { struct hw_mode_spec *spec = &rt2x00dev->spec; struct channel_info *info; - char *tx_power; + u8 *tx_power; unsigned int i; /* diff --git a/drivers/net/wireless/ralink/rt2x00/rt61pci.h b/drivers/net/wireless/ralink/rt2x00/rt61pci.h index 5f208ad509..d72d0ffd11 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt61pci.h +++ b/drivers/net/wireless/ralink/rt2x00/rt61pci.h @@ -1484,6 +1484,6 @@ struct hw_pairwise_ta_entry { (((u8)(__txpower)) > MAX_TXPOWER) ? DEFAULT_TXPOWER : (__txpower) #define TXPOWER_TO_DEV(__txpower) \ - clamp_t(char, __txpower, MIN_TXPOWER, MAX_TXPOWER) + clamp_t(u8, __txpower, MIN_TXPOWER, MAX_TXPOWER) #endif /* RT61PCI_H */ diff --git a/drivers/net/wireless/ralink/rt2x00/rt73usb.c b/drivers/net/wireless/ralink/rt2x00/rt73usb.c index 5ff2c740c3..3aa46933b4 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt73usb.c +++ b/drivers/net/wireless/ralink/rt2x00/rt73usb.c @@ -1378,7 +1378,7 @@ static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { u32 reg, reg2; unsigned int i; - char put_to_sleep; + bool put_to_sleep; put_to_sleep = (state != STATE_AWAKE); @@ -2090,7 +2090,7 @@ static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) { struct hw_mode_spec *spec = &rt2x00dev->spec; struct channel_info *info; - char *tx_power; + u8 *tx_power; unsigned int i; /* diff --git a/drivers/net/wireless/ralink/rt2x00/rt73usb.h b/drivers/net/wireless/ralink/rt2x00/rt73usb.h index 1b56d285c3..bb0a68516c 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt73usb.h +++ b/drivers/net/wireless/ralink/rt2x00/rt73usb.h @@ -1063,6 +1063,6 @@ struct hw_pairwise_ta_entry { (((u8)(__txpower)) > MAX_TXPOWER) ? DEFAULT_TXPOWER : (__txpower) #define TXPOWER_TO_DEV(__txpower) \ - clamp_t(char, __txpower, MIN_TXPOWER, MAX_TXPOWER) + clamp_t(u8, __txpower, MIN_TXPOWER, MAX_TXPOWER) #endif /* RT73USB_H */ diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c index c3c07ca776..56b5cd032a 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c @@ -892,8 +892,8 @@ static u8 _rtl92c_phy_get_rightchnlplace(u8 chnl) u8 place = chnl; if (chnl > 14) { - for (place = 14; place < sizeof(channel5g); place++) { - if (channel5g[place] == chnl) { + for (place = 14; place < ARRAY_SIZE(channel_all); place++) { + if (channel_all[place] == chnl) { place++; break; } @@ -1359,7 +1359,7 @@ u8 rtl92d_get_rightchnlplace_for_iqk(u8 chnl) u8 place; if (chnl > 14) { - for (place = 14; place < sizeof(channel_all); place++) { + for (place = 14; place < ARRAY_SIZE(channel_all); place++) { if (channel_all[place] == chnl) return place - 13; } @@ -2417,7 +2417,7 @@ static bool _rtl92d_is_legal_5g_channel(struct ieee80211_hw *hw, u8 channel) int i; - for (i = 0; i < sizeof(channel5g); i++) + for (i = 0; i < ARRAY_SIZE(channel5g); i++) if (channel == channel5g[i]) return true; return false; @@ -2681,9 +2681,8 @@ void rtl92d_phy_reset_iqk_result(struct ieee80211_hw *hw) u8 i; rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, - "settings regs %d default regs %d\n", - (int)(sizeof(rtlphy->iqk_matrix) / - sizeof(struct iqk_matrix_regs)), + "settings regs %zu default regs %d\n", + ARRAY_SIZE(rtlphy->iqk_matrix), IQK_MATRIX_REG_NUM); /* 0xe94, 0xe9c, 0xea4, 0xeac, 0xeb4, 0xebc, 0xec4, 0xecc */ for (i = 0; i < IQK_MATRIX_SETTINGS_NUM; i++) { @@ -2850,16 +2849,14 @@ u8 rtl92d_phy_sw_chnl(struct ieee80211_hw *hw) case BAND_ON_5G: /* Get first channel error when change between * 5G and 2.4G band. */ - if (channel <= 14) + if (WARN_ONCE(channel <= 14, "rtl8192de: 5G but channel<=14\n")) return 0; - WARN_ONCE((channel <= 14), "rtl8192de: 5G but channel<=14\n"); break; case BAND_ON_2_4G: /* Get first channel error when change between * 5G and 2.4G band. */ - if (channel > 14) + if (WARN_ONCE(channel > 14, "rtl8192de: 2G but channel>14\n")) return 0; - WARN_ONCE((channel > 14), "rtl8192de: 2G but channel>14\n"); break; default: WARN_ONCE(true, "rtl8192de: Invalid WirelessMode(%#x)!!\n", diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h b/drivers/net/wireless/realtek/rtlwifi/wifi.h index a1f223c884..0bac788ccd 100644 --- a/drivers/net/wireless/realtek/rtlwifi/wifi.h +++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h @@ -108,7 +108,6 @@ #define CHANNEL_GROUP_IDX_5GM 6 #define CHANNEL_GROUP_IDX_5GH 9 #define CHANNEL_GROUP_MAX_5G 9 -#define CHANNEL_MAX_NUMBER_2G 14 #define AVG_THERMAL_NUM 8 #define AVG_THERMAL_NUM_88E 4 #define AVG_THERMAL_NUM_8723BE 4 diff --git a/drivers/net/wireless/realtek/rtw88/Kconfig b/drivers/net/wireless/realtek/rtw88/Kconfig index e3d7cb6c12..5c18da5556 100644 --- a/drivers/net/wireless/realtek/rtw88/Kconfig +++ b/drivers/net/wireless/realtek/rtw88/Kconfig @@ -12,6 +12,7 @@ if RTW88 config RTW88_CORE tristate + select WANT_DEV_COREDUMP config RTW88_PCI tristate diff --git a/drivers/net/wireless/realtek/rtw88/coex.c b/drivers/net/wireless/realtek/rtw88/coex.c index 2551e228b5..347fc36068 100644 --- a/drivers/net/wireless/realtek/rtw88/coex.c +++ b/drivers/net/wireless/realtek/rtw88/coex.c @@ -2103,7 +2103,6 @@ static void rtw_coex_action_bt_a2dp_pan(struct rtw_dev *rtwdev) struct rtw_efuse *efuse = &rtwdev->efuse; struct rtw_chip_info *chip = rtwdev->chip; u8 table_case, tdma_case; - bool wl_cpt_test = false, bt_cpt_test = false; rtw_dbg(rtwdev, RTW_DBG_COEX, "[BTCoex], %s()\n", __func__); @@ -2111,29 +2110,16 @@ static void rtw_coex_action_bt_a2dp_pan(struct rtw_dev *rtwdev) rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]); if (efuse->share_ant) { /* Shared-Ant */ - if (wl_cpt_test) { - if (coex_stat->wl_gl_busy) { - table_case = 20; - tdma_case = 17; - } else { - table_case = 10; - tdma_case = 15; - } - } else if (bt_cpt_test) { - table_case = 26; - tdma_case = 26; - } else { - if (coex_stat->wl_gl_busy && - coex_stat->wl_noisy_level == 0) - table_case = 14; - else - table_case = 10; + if (coex_stat->wl_gl_busy && + coex_stat->wl_noisy_level == 0) + table_case = 14; + else + table_case = 10; - if (coex_stat->wl_gl_busy) - tdma_case = 15; - else - tdma_case = 20; - } + if (coex_stat->wl_gl_busy) + tdma_case = 15; + else + tdma_case = 20; } else { /* Non-Shared-Ant */ table_case = 112; @@ -2144,11 +2130,7 @@ static void rtw_coex_action_bt_a2dp_pan(struct rtw_dev *rtwdev) tdma_case = 120; } - if (wl_cpt_test) - rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[1]); - else - rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]); - + rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]); rtw_coex_table(rtwdev, false, table_case); rtw_coex_tdma(rtwdev, false, tdma_case); } diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index d7b7b2cce9..23971a5737 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -1153,20 +1153,21 @@ static int rtw_wait_firmware_completion(struct rtw_dev *rtwdev) { struct rtw_chip_info *chip = rtwdev->chip; struct rtw_fw_state *fw; + int ret = 0; fw = &rtwdev->fw; wait_for_completion(&fw->completion); if (!fw->firmware) - return -EINVAL; + ret = -EINVAL; if (chip->wow_fw_name) { fw = &rtwdev->wow_fw; wait_for_completion(&fw->completion); if (!fw->firmware) - return -EINVAL; + ret = -EINVAL; } - return 0; + return ret; } static enum rtw_lps_deep_mode rtw_update_lps_deep_mode(struct rtw_dev *rtwdev, diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c index bc87e3cb9c..b799655d08 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c @@ -2584,12 +2584,14 @@ static void query_phy_status_page1(struct rtw_dev *rtwdev, u8 *phy_status, else rxsc = GET_PHY_STAT_P1_HT_RXSC(phy_status); - if (rxsc >= 9 && rxsc <= 12) + if (rxsc == 0) + bw = rtwdev->hal.current_band_width; + else if (rxsc >= 1 && rxsc <= 8) + bw = RTW_CHANNEL_WIDTH_20; + else if (rxsc >= 9 && rxsc <= 12) bw = RTW_CHANNEL_WIDTH_40; - else if (rxsc >= 13) - bw = RTW_CHANNEL_WIDTH_80; else - bw = RTW_CHANNEL_WIDTH_20; + bw = RTW_CHANNEL_WIDTH_80; pkt_stat->rx_power[RF_PATH_A] = GET_PHY_STAT_P1_PWDB_A(phy_status) - 110; pkt_stat->rx_power[RF_PATH_B] = GET_PHY_STAT_P1_PWDB_B(phy_status) - 110; diff --git a/drivers/net/wireless/st/cw1200/txrx.c b/drivers/net/wireless/st/cw1200/txrx.c index 7de666b90f..9c998f4ac4 100644 --- a/drivers/net/wireless/st/cw1200/txrx.c +++ b/drivers/net/wireless/st/cw1200/txrx.c @@ -1170,7 +1170,7 @@ void cw1200_rx_cb(struct cw1200_common *priv, size_t ies_len = skb->len - (ies - (u8 *)(skb->data)); tim_ie = cfg80211_find_ie(WLAN_EID_TIM, ies, ies_len); - if (tim_ie) { + if (tim_ie && tim_ie[1] >= sizeof(struct ieee80211_tim_ie)) { struct ieee80211_tim_ie *tim = (struct ieee80211_tim_ie *)&tim_ie[2]; diff --git a/drivers/net/wireless/virt_wifi.c b/drivers/net/wireless/virt_wifi.c index 514f2c1124..dd6675436b 100644 --- a/drivers/net/wireless/virt_wifi.c +++ b/drivers/net/wireless/virt_wifi.c @@ -136,6 +136,9 @@ static struct ieee80211_supported_band band_5ghz = { /* Assigned at module init. Guaranteed locally-administered and unicast. */ static u8 fake_router_bssid[ETH_ALEN] __ro_after_init = {}; +#define VIRT_WIFI_SSID "VirtWifi" +#define VIRT_WIFI_SSID_LEN 8 + static void virt_wifi_inform_bss(struct wiphy *wiphy) { u64 tsf = div_u64(ktime_get_boottime_ns(), 1000); @@ -146,8 +149,8 @@ static void virt_wifi_inform_bss(struct wiphy *wiphy) u8 ssid[8]; } __packed ssid = { .tag = WLAN_EID_SSID, - .len = 8, - .ssid = "VirtWifi", + .len = VIRT_WIFI_SSID_LEN, + .ssid = VIRT_WIFI_SSID, }; informed_bss = cfg80211_inform_bss(wiphy, &channel_5ghz, @@ -213,6 +216,8 @@ struct virt_wifi_netdev_priv { struct net_device *upperdev; u32 tx_packets; u32 tx_failed; + u32 connect_requested_ssid_len; + u8 connect_requested_ssid[IEEE80211_MAX_SSID_LEN]; u8 connect_requested_bss[ETH_ALEN]; bool is_up; bool is_connected; @@ -229,6 +234,12 @@ static int virt_wifi_connect(struct wiphy *wiphy, struct net_device *netdev, if (priv->being_deleted || !priv->is_up) return -EBUSY; + if (!sme->ssid) + return -EINVAL; + + priv->connect_requested_ssid_len = sme->ssid_len; + memcpy(priv->connect_requested_ssid, sme->ssid, sme->ssid_len); + could_schedule = schedule_delayed_work(&priv->connect, HZ * 2); if (!could_schedule) return -EBUSY; @@ -252,12 +263,15 @@ static void virt_wifi_connect_complete(struct work_struct *work) container_of(work, struct virt_wifi_netdev_priv, connect.work); u8 *requested_bss = priv->connect_requested_bss; bool right_addr = ether_addr_equal(requested_bss, fake_router_bssid); + bool right_ssid = priv->connect_requested_ssid_len == VIRT_WIFI_SSID_LEN && + !memcmp(priv->connect_requested_ssid, VIRT_WIFI_SSID, + priv->connect_requested_ssid_len); u16 status = WLAN_STATUS_SUCCESS; if (is_zero_ether_addr(requested_bss)) requested_bss = NULL; - if (!priv->is_up || (requested_bss && !right_addr)) + if (!priv->is_up || (requested_bss && !right_addr) || !right_ssid) status = WLAN_STATUS_UNSPECIFIED_FAILURE; else priv->is_connected = true; diff --git a/drivers/net/wwan/wwan_core.c b/drivers/net/wwan/wwan_core.c index d293ab6880..a83de4e3c1 100644 --- a/drivers/net/wwan/wwan_core.c +++ b/drivers/net/wwan/wwan_core.c @@ -927,7 +927,7 @@ static const struct nla_policy wwan_rtnl_policy[IFLA_WWAN_MAX + 1] = { static struct rtnl_link_ops wwan_rtnl_link_ops __read_mostly = { .kind = "wwan", - .maxtype = __IFLA_WWAN_MAX, + .maxtype = IFLA_WWAN_MAX, .alloc = wwan_rtnl_alloc, .validate = wwan_rtnl_validate, .newlink = wwan_rtnl_newlink, diff --git a/drivers/net/xen-netback/hash.c b/drivers/net/xen-netback/hash.c index ff96f22648..45ddce35f6 100644 --- a/drivers/net/xen-netback/hash.c +++ b/drivers/net/xen-netback/hash.c @@ -95,7 +95,7 @@ static u32 xenvif_new_hash(struct xenvif *vif, const u8 *data, static void xenvif_flush_hash(struct xenvif *vif) { - struct xenvif_hash_cache_entry *entry; + struct xenvif_hash_cache_entry *entry, *n; unsigned long flags; if (xenvif_hash_cache_size == 0) @@ -103,8 +103,7 @@ static void xenvif_flush_hash(struct xenvif *vif) spin_lock_irqsave(&vif->hash.cache.lock, flags); - list_for_each_entry_rcu(entry, &vif->hash.cache.list, link, - lockdep_is_held(&vif->hash.cache.lock)) { + list_for_each_entry_safe(entry, n, &vif->hash.cache.list, link) { list_del_rcu(&entry->link); vif->hash.cache.count--; kfree_rcu(entry, rcu); diff --git a/drivers/nfc/pn533/pn533.c b/drivers/nfc/pn533/pn533.c index 939d27652a..fceae9c127 100644 --- a/drivers/nfc/pn533/pn533.c +++ b/drivers/nfc/pn533/pn533.c @@ -1725,6 +1725,11 @@ static int pn533_start_poll(struct nfc_dev *nfc_dev, } pn533_poll_create_mod_list(dev, im_protocols, tm_protocols); + if (!dev->poll_mod_count) { + nfc_err(dev->dev, + "Poll mod list is empty\n"); + return -EINVAL; + } /* Do not always start polling from the same modulation */ get_random_bytes(&rand_mod, sizeof(rand_mod)); diff --git a/drivers/nfc/virtual_ncidev.c b/drivers/nfc/virtual_ncidev.c index 6317e8505a..09d4ab0e63 100644 --- a/drivers/nfc/virtual_ncidev.c +++ b/drivers/nfc/virtual_ncidev.c @@ -121,6 +121,10 @@ static ssize_t virtual_ncidev_write(struct file *file, kfree_skb(skb); return -EFAULT; } + if (strnlen(skb->data, count) != count) { + kfree_skb(skb); + return -EINVAL; + } nci_recv_frame(ndev, skb); return count; diff --git a/drivers/ntb/hw/intel/ntb_hw_gen1.c b/drivers/ntb/hw/intel/ntb_hw_gen1.c index 41897167ab..e0a5744372 100644 --- a/drivers/ntb/hw/intel/ntb_hw_gen1.c +++ b/drivers/ntb/hw/intel/ntb_hw_gen1.c @@ -778,7 +778,7 @@ static void ndev_init_debugfs(struct intel_ntb_dev *ndev) ndev->debugfs_dir = debugfs_create_dir(pci_name(ndev->ntb.pdev), debugfs_dir); - if (!ndev->debugfs_dir) + if (IS_ERR(ndev->debugfs_dir)) ndev->debugfs_info = NULL; else ndev->debugfs_info = diff --git a/drivers/ntb/hw/mscc/ntb_hw_switchtec.c b/drivers/ntb/hw/mscc/ntb_hw_switchtec.c index ec9cb6c81e..759248415b 100644 --- a/drivers/ntb/hw/mscc/ntb_hw_switchtec.c +++ b/drivers/ntb/hw/mscc/ntb_hw_switchtec.c @@ -1556,6 +1556,7 @@ static void switchtec_ntb_remove(struct device *dev, switchtec_ntb_deinit_db_msg_irq(sndev); switchtec_ntb_deinit_shared_mw(sndev); switchtec_ntb_deinit_crosslink(sndev); + cancel_work_sync(&sndev->check_link_status_work); kfree(sndev); dev_info(dev, "ntb device unregistered\n"); } diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c index 65e1e5cf1b..5a7a024081 100644 --- a/drivers/ntb/test/ntb_perf.c +++ b/drivers/ntb/test/ntb_perf.c @@ -1227,7 +1227,7 @@ static ssize_t perf_dbgfs_read_info(struct file *filep, char __user *ubuf, "\tOut buffer addr 0x%pK\n", peer->outbuf); pos += scnprintf(buf + pos, buf_size - pos, - "\tOut buff phys addr %pa[p]\n", &peer->out_phys_addr); + "\tOut buff phys addr %pap\n", &peer->out_phys_addr); pos += scnprintf(buf + pos, buf_size - pos, "\tOut buffer size %pa\n", &peer->outbuf_size); diff --git a/drivers/nvdimm/nd_virtio.c b/drivers/nvdimm/nd_virtio.c index 10351d5b49..41e97c6567 100644 --- a/drivers/nvdimm/nd_virtio.c +++ b/drivers/nvdimm/nd_virtio.c @@ -44,6 +44,15 @@ static int virtio_pmem_flush(struct nd_region *nd_region) unsigned long flags; int err, err1; + /* + * Don't bother to submit the request to the device if the device is + * not activated. + */ + if (vdev->config->get_status(vdev) & VIRTIO_CONFIG_S_NEEDS_RESET) { + dev_info(&vdev->dev, "virtio pmem device needs a reset\n"); + return -EIO; + } + might_sleep(); req_data = kmalloc(sizeof(*req_data), GFP_KERNEL); if (!req_data) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 960a31e330..93a19588ae 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -981,6 +981,7 @@ void nvme_cleanup_cmd(struct request *req) clear_bit_unlock(0, &ctrl->discard_page_busy); else kfree(bvec_virt(&req->special_vec)); + req->rq_flags &= ~RQF_SPECIAL_PAYLOAD; } } EXPORT_SYMBOL_GPL(nvme_cleanup_cmd); diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index f8ad43b5f0..4bc0ce9c16 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -517,7 +517,7 @@ static void nvme_mpath_set_live(struct nvme_ns *ns) int node, srcu_idx; srcu_idx = srcu_read_lock(&head->srcu); - for_each_node(node) + for_each_online_node(node) __nvme_find_path(head, node); srcu_read_unlock(&head->srcu, srcu_idx); } diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index f9bfd6a549..c8ec0e146c 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -86,6 +86,11 @@ enum nvme_quirks { */ NVME_QUIRK_NO_DEEPEST_PS = (1 << 5), + /* + * Problems seen with concurrent commands + */ + NVME_QUIRK_QDEPTH_ONE = (1 << 6), + /* * Set MEDIUM priority on SQ creation */ diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 7bb74112fe..9e80e23895 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -479,22 +479,13 @@ static inline void nvme_write_sq_db(struct nvme_queue *nvmeq, bool write_sq) nvmeq->last_sq_tail = nvmeq->sq_tail; } -/** - * nvme_submit_cmd() - Copy a command into a queue and ring the doorbell - * @nvmeq: The queue to use - * @cmd: The command to send - * @write_sq: whether to write to the SQ doorbell - */ -static void nvme_submit_cmd(struct nvme_queue *nvmeq, struct nvme_command *cmd, - bool write_sq) +static inline void nvme_sq_copy_cmd(struct nvme_queue *nvmeq, + struct nvme_command *cmd) { - spin_lock(&nvmeq->sq_lock); memcpy(nvmeq->sq_cmds + (nvmeq->sq_tail << nvmeq->sqes), - cmd, sizeof(*cmd)); + absolute_pointer(cmd), sizeof(*cmd)); if (++nvmeq->sq_tail == nvmeq->q_depth) nvmeq->sq_tail = 0; - nvme_write_sq_db(nvmeq, write_sq); - spin_unlock(&nvmeq->sq_lock); } static void nvme_commit_rqs(struct blk_mq_hw_ctx *hctx) @@ -836,7 +827,8 @@ static blk_status_t nvme_map_data(struct nvme_dev *dev, struct request *req, struct bio_vec bv = req_bvec(req); if (!is_pci_p2pdma_page(bv.bv_page)) { - if (bv.bv_offset + bv.bv_len <= NVME_CTRL_PAGE_SIZE * 2) + if ((bv.bv_offset & (NVME_CTRL_PAGE_SIZE - 1)) + + bv.bv_len <= NVME_CTRL_PAGE_SIZE * 2) return nvme_setup_prp_simple(dev, req, &cmnd->rw, &bv); @@ -894,60 +886,73 @@ static blk_status_t nvme_map_metadata(struct nvme_dev *dev, struct request *req, return BLK_STS_OK; } -/* - * NOTE: ns is NULL when called on the admin queue. - */ -static blk_status_t nvme_queue_rq(struct blk_mq_hw_ctx *hctx, - const struct blk_mq_queue_data *bd) +static blk_status_t nvme_prep_rq(struct nvme_dev *dev, struct request *req) { - struct nvme_ns *ns = hctx->queue->queuedata; - struct nvme_queue *nvmeq = hctx->driver_data; - struct nvme_dev *dev = nvmeq->dev; - struct request *req = bd->rq; struct nvme_iod *iod = blk_mq_rq_to_pdu(req); - struct nvme_command *cmnd = &iod->cmd; blk_status_t ret; iod->aborted = 0; iod->npages = -1; iod->nents = 0; - /* - * We should not need to do this, but we're still using this to - * ensure we can drain requests on a dying queue. - */ - if (unlikely(!test_bit(NVMEQ_ENABLED, &nvmeq->flags))) - return BLK_STS_IOERR; - - if (!nvme_check_ready(&dev->ctrl, req, true)) - return nvme_fail_nonready_command(&dev->ctrl, req); - - ret = nvme_setup_cmd(ns, req); + ret = nvme_setup_cmd(req->q->queuedata, req); if (ret) return ret; if (blk_rq_nr_phys_segments(req)) { - ret = nvme_map_data(dev, req, cmnd); + ret = nvme_map_data(dev, req, &iod->cmd); if (ret) goto out_free_cmd; } if (blk_integrity_rq(req)) { - ret = nvme_map_metadata(dev, req, cmnd); + ret = nvme_map_metadata(dev, req, &iod->cmd); if (ret) goto out_unmap_data; } blk_mq_start_request(req); - nvme_submit_cmd(nvmeq, cmnd, bd->last); return BLK_STS_OK; out_unmap_data: - nvme_unmap_data(dev, req); + if (blk_rq_nr_phys_segments(req)) + nvme_unmap_data(dev, req); out_free_cmd: nvme_cleanup_cmd(req); return ret; } +/* + * NOTE: ns is NULL when called on the admin queue. + */ +static blk_status_t nvme_queue_rq(struct blk_mq_hw_ctx *hctx, + const struct blk_mq_queue_data *bd) +{ + struct nvme_queue *nvmeq = hctx->driver_data; + struct nvme_dev *dev = nvmeq->dev; + struct request *req = bd->rq; + struct nvme_iod *iod = blk_mq_rq_to_pdu(req); + blk_status_t ret; + + /* + * We should not need to do this, but we're still using this to + * ensure we can drain requests on a dying queue. + */ + if (unlikely(!test_bit(NVMEQ_ENABLED, &nvmeq->flags))) + return BLK_STS_IOERR; + + if (unlikely(!nvme_check_ready(&dev->ctrl, req, true))) + return nvme_fail_nonready_command(&dev->ctrl, req); + + ret = nvme_prep_rq(dev, req); + if (unlikely(ret)) + return ret; + spin_lock(&nvmeq->sq_lock); + nvme_sq_copy_cmd(nvmeq, &iod->cmd); + nvme_write_sq_db(nvmeq, bd->last); + spin_unlock(&nvmeq->sq_lock); + return BLK_STS_OK; +} + static void nvme_pci_complete_rq(struct request *req) { struct nvme_queue *nvmeq = req->mq_hctx->driver_data; @@ -1108,7 +1113,11 @@ static void nvme_pci_submit_async_event(struct nvme_ctrl *ctrl) c.common.opcode = nvme_admin_async_event; c.common.command_id = NVME_AQ_BLK_MQ_DEPTH; - nvme_submit_cmd(nvmeq, &c, true); + + spin_lock(&nvmeq->sq_lock); + nvme_sq_copy_cmd(nvmeq, &c); + nvme_write_sq_db(nvmeq, true); + spin_unlock(&nvmeq->sq_lock); } static int adapter_delete_queue(struct nvme_dev *dev, u8 opcode, u16 id) @@ -2509,15 +2518,8 @@ static int nvme_pci_enable(struct nvme_dev *dev) else dev->io_sqes = NVME_NVM_IOSQES; - /* - * Temporary fix for the Apple controller found in the MacBook8,1 and - * some MacBook7,1 to avoid controller resets and data loss. - */ - if (pdev->vendor == PCI_VENDOR_ID_APPLE && pdev->device == 0x2001) { + if (dev->ctrl.quirks & NVME_QUIRK_QDEPTH_ONE) { dev->q_depth = 2; - dev_warn(dev->ctrl.device, "detected Apple NVMe controller, " - "set queue depth=%u to work around controller resets\n", - dev->q_depth); } else if (pdev->vendor == PCI_VENDOR_ID_SAMSUNG && (pdev->device == 0xa821 || pdev->device == 0xa822) && NVME_CAP_MQES(dev->ctrl.cap) == 0) { @@ -2965,8 +2967,26 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev) dmi_match(DMI_BOARD_NAME, "NS5x_7xPU") || dmi_match(DMI_BOARD_NAME, "PH4PRX1_PH6PRX1")) return NVME_QUIRK_FORCE_NO_SIMPLE_SUSPEND; + } else if (pdev->vendor == 0x144d && pdev->device == 0xa80d) { + /* + * Exclude Samsung 990 Evo from NVME_QUIRK_SIMPLE_SUSPEND + * because of high power consumption (> 2 Watt) in s2idle + * sleep. Only some boards with Intel CPU are affected. + */ + if (dmi_match(DMI_BOARD_NAME, "GMxPXxx") || + dmi_match(DMI_BOARD_NAME, "PH4PG31") || + dmi_match(DMI_BOARD_NAME, "PH4PRX1_PH6PRX1") || + dmi_match(DMI_BOARD_NAME, "PH6PG01_PH6PG71")) + return NVME_QUIRK_FORCE_NO_SIMPLE_SUSPEND; } + /* + * NVMe SSD drops off the PCIe bus after system idle + * for 10 hours on a Lenovo N60z board. + */ + if (dmi_match(DMI_BOARD_NAME, "LXKT-ZXEG-N6")) + return NVME_QUIRK_NO_APST; + return 0; } @@ -3339,6 +3359,8 @@ static const struct pci_device_id nvme_id_table[] = { NVME_QUIRK_BOGUS_NID, }, { PCI_VDEVICE(REDHAT, 0x0010), /* Qemu emulated controller */ .driver_data = NVME_QUIRK_BOGUS_NID, }, + { PCI_DEVICE(0x1217, 0x8760), /* O2 Micro 64GB Steam Deck */ + .driver_data = NVME_QUIRK_QDEPTH_ONE }, { PCI_DEVICE(0x126f, 0x2262), /* Silicon Motion generic */ .driver_data = NVME_QUIRK_NO_DEEPEST_PS | NVME_QUIRK_BOGUS_NID, }, @@ -3443,7 +3465,12 @@ static const struct pci_device_id nvme_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMAZON, 0xcd02), .driver_data = NVME_QUIRK_DMA_ADDRESS_BITS_48, }, { PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2001), - .driver_data = NVME_QUIRK_SINGLE_VECTOR }, + /* + * Fix for the Apple controller found in the MacBook8,1 and + * some MacBook7,1 to avoid controller resets and data loss. + */ + .driver_data = NVME_QUIRK_SINGLE_VECTOR | + NVME_QUIRK_QDEPTH_ONE }, { PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2003) }, { PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2005), .driver_data = NVME_QUIRK_SINGLE_VECTOR | diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 2c44d5a95c..ef2e500bcc 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -801,6 +801,15 @@ void nvmet_sq_destroy(struct nvmet_sq *sq) wait_for_completion(&sq->free_done); percpu_ref_exit(&sq->ref); + /* + * we must reference the ctrl again after waiting for inflight IO + * to complete. Because admin connect may have sneaked in after we + * store sq->ctrl locally, but before we killed the percpu_ref. the + * admin connect allocates and assigns sq->ctrl, which now needs a + * final ref put, as this ctrl is going away. + */ + ctrl = sq->ctrl; + if (ctrl) { /* * The teardown flow may take some time, and the host may not diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c index 18e082091c..9561ba3d43 100644 --- a/drivers/nvme/target/rdma.c +++ b/drivers/nvme/target/rdma.c @@ -472,12 +472,8 @@ nvmet_rdma_alloc_rsps(struct nvmet_rdma_queue *queue) return 0; out_free: - while (--i >= 0) { - struct nvmet_rdma_rsp *rsp = &queue->rsps[i]; - - list_del(&rsp->free_list); - nvmet_rdma_free_rsp(ndev, rsp); - } + while (--i >= 0) + nvmet_rdma_free_rsp(ndev, &queue->rsps[i]); kfree(queue->rsps); out: return ret; @@ -488,12 +484,8 @@ static void nvmet_rdma_free_rsps(struct nvmet_rdma_queue *queue) struct nvmet_rdma_device *ndev = queue->dev; int i, nr_rsps = queue->recv_queue_size * 2; - for (i = 0; i < nr_rsps; i++) { - struct nvmet_rdma_rsp *rsp = &queue->rsps[i]; - - list_del(&rsp->free_list); - nvmet_rdma_free_rsp(ndev, rsp); - } + for (i = 0; i < nr_rsps; i++) + nvmet_rdma_free_rsp(ndev, &queue->rsps[i]); kfree(queue->rsps); } diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 8468a41322..809b03b86a 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -858,6 +858,7 @@ static int nvmet_tcp_handle_icreq(struct nvmet_tcp_queue *queue) pr_err("bad nvme-tcp pdu length (%d)\n", le32_to_cpu(icreq->hdr.plen)); nvmet_tcp_fatal_error(queue); + return -EPROTO; } if (icreq->pfv != NVME_TCP_PFV_1_0) { @@ -1818,8 +1819,10 @@ static u16 nvmet_tcp_install_queue(struct nvmet_sq *sq) } queue->nr_cmds = sq->size * 2; - if (nvmet_tcp_alloc_cmds(queue)) + if (nvmet_tcp_alloc_cmds(queue)) { + queue->nr_cmds = 0; return NVME_SC_INTERNAL; + } return 0; } diff --git a/drivers/nvme/target/trace.c b/drivers/nvme/target/trace.c index bff454d462..6ee1f3db81 100644 --- a/drivers/nvme/target/trace.c +++ b/drivers/nvme/target/trace.c @@ -211,7 +211,7 @@ const char *nvmet_trace_disk_name(struct trace_seq *p, char *name) return ret; } -const char *nvmet_trace_ctrl_name(struct trace_seq *p, struct nvmet_ctrl *ctrl) +const char *nvmet_trace_ctrl_id(struct trace_seq *p, u16 ctrl_id) { const char *ret = trace_seq_buffer_ptr(p); @@ -224,8 +224,8 @@ const char *nvmet_trace_ctrl_name(struct trace_seq *p, struct nvmet_ctrl *ctrl) * If we can know the extra data of the connect command in this stage, * we can update this print statement later. */ - if (ctrl) - trace_seq_printf(p, "%d", ctrl->cntlid); + if (ctrl_id) + trace_seq_printf(p, "%d", ctrl_id); else trace_seq_printf(p, "_"); trace_seq_putc(p, 0); diff --git a/drivers/nvme/target/trace.h b/drivers/nvme/target/trace.h index 155334ddc1..89020018a0 100644 --- a/drivers/nvme/target/trace.h +++ b/drivers/nvme/target/trace.h @@ -32,18 +32,24 @@ const char *nvmet_trace_parse_fabrics_cmd(struct trace_seq *p, u8 fctype, nvmet_trace_parse_nvm_cmd(p, opcode, cdw10) : \ nvmet_trace_parse_admin_cmd(p, opcode, cdw10))) -const char *nvmet_trace_ctrl_name(struct trace_seq *p, struct nvmet_ctrl *ctrl); -#define __print_ctrl_name(ctrl) \ - nvmet_trace_ctrl_name(p, ctrl) +const char *nvmet_trace_ctrl_id(struct trace_seq *p, u16 ctrl_id); +#define __print_ctrl_id(ctrl_id) \ + nvmet_trace_ctrl_id(p, ctrl_id) const char *nvmet_trace_disk_name(struct trace_seq *p, char *name); #define __print_disk_name(name) \ nvmet_trace_disk_name(p, name) #ifndef TRACE_HEADER_MULTI_READ -static inline struct nvmet_ctrl *nvmet_req_to_ctrl(struct nvmet_req *req) +static inline u16 nvmet_req_to_ctrl_id(struct nvmet_req *req) { - return req->sq->ctrl; + /* + * The queue and controller pointers are not valid until an association + * has been established. + */ + if (!req->sq || !req->sq->ctrl) + return 0; + return req->sq->ctrl->cntlid; } static inline void __assign_req_name(char *name, struct nvmet_req *req) @@ -62,7 +68,7 @@ TRACE_EVENT(nvmet_req_init, TP_ARGS(req, cmd), TP_STRUCT__entry( __field(struct nvme_command *, cmd) - __field(struct nvmet_ctrl *, ctrl) + __field(u16, ctrl_id) __array(char, disk, DISK_NAME_LEN) __field(int, qid) __field(u16, cid) @@ -75,7 +81,7 @@ TRACE_EVENT(nvmet_req_init, ), TP_fast_assign( __entry->cmd = cmd; - __entry->ctrl = nvmet_req_to_ctrl(req); + __entry->ctrl_id = nvmet_req_to_ctrl_id(req); __assign_req_name(__entry->disk, req); __entry->qid = req->sq->qid; __entry->cid = cmd->common.command_id; @@ -89,7 +95,7 @@ TRACE_EVENT(nvmet_req_init, ), TP_printk("nvmet%s: %sqid=%d, cmdid=%u, nsid=%u, flags=%#x, " "meta=%#llx, cmd=(%s, %s)", - __print_ctrl_name(__entry->ctrl), + __print_ctrl_id(__entry->ctrl_id), __print_disk_name(__entry->disk), __entry->qid, __entry->cid, __entry->nsid, __entry->flags, __entry->metadata, @@ -103,7 +109,7 @@ TRACE_EVENT(nvmet_req_complete, TP_PROTO(struct nvmet_req *req), TP_ARGS(req), TP_STRUCT__entry( - __field(struct nvmet_ctrl *, ctrl) + __field(u16, ctrl_id) __array(char, disk, DISK_NAME_LEN) __field(int, qid) __field(int, cid) @@ -111,7 +117,7 @@ TRACE_EVENT(nvmet_req_complete, __field(u16, status) ), TP_fast_assign( - __entry->ctrl = nvmet_req_to_ctrl(req); + __entry->ctrl_id = nvmet_req_to_ctrl_id(req); __entry->qid = req->cq->qid; __entry->cid = req->cqe->command_id; __entry->result = le64_to_cpu(req->cqe->result.u64); @@ -119,7 +125,7 @@ TRACE_EVENT(nvmet_req_complete, __assign_req_name(__entry->disk, req); ), TP_printk("nvmet%s: %sqid=%d, cmdid=%u, res=%#llx, status=%#x", - __print_ctrl_name(__entry->ctrl), + __print_ctrl_id(__entry->ctrl_id), __print_disk_name(__entry->disk), __entry->qid, __entry->cid, __entry->result, __entry->status) diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 47c1487dcf..aa07b0d82b 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -362,10 +362,9 @@ static int nvmem_sysfs_setup_compat(struct nvmem_device *nvmem, if (!config->base_dev) return -EINVAL; - if (config->type == NVMEM_TYPE_FRAM) - bin_attr_nvmem_eeprom_compat.attr.name = "fram"; - nvmem->eeprom = bin_attr_nvmem_eeprom_compat; + if (config->type == NVMEM_TYPE_FRAM) + nvmem->eeprom.attr.name = "fram"; nvmem->eeprom.attr.mode = nvmem_bin_attr_get_umode(nvmem); nvmem->eeprom.size = nvmem->size; #ifdef CONFIG_DEBUG_LOCK_ALLOC @@ -1113,13 +1112,13 @@ void nvmem_device_put(struct nvmem_device *nvmem) EXPORT_SYMBOL_GPL(nvmem_device_put); /** - * devm_nvmem_device_get() - Get nvmem cell of device form a given id + * devm_nvmem_device_get() - Get nvmem device of device form a given id * * @dev: Device that requests the nvmem device. * @id: name id for the requested nvmem device. * - * Return: ERR_PTR() on error or a valid pointer to a struct nvmem_cell - * on success. The nvmem_cell will be freed by the automatically once the + * Return: ERR_PTR() on error or a valid pointer to a struct nvmem_device + * on success. The nvmem_device will be freed by the automatically once the * device is freed. */ struct nvmem_device *devm_nvmem_device_get(struct device *dev, const char *id) diff --git a/drivers/nvmem/meson-efuse.c b/drivers/nvmem/meson-efuse.c index ba2714bef8..cf1b249e67 100644 --- a/drivers/nvmem/meson-efuse.c +++ b/drivers/nvmem/meson-efuse.c @@ -18,18 +18,24 @@ static int meson_efuse_read(void *context, unsigned int offset, void *val, size_t bytes) { struct meson_sm_firmware *fw = context; + int ret; - return meson_sm_call_read(fw, (u8 *)val, bytes, SM_EFUSE_READ, offset, - bytes, 0, 0, 0); + ret = meson_sm_call_read(fw, (u8 *)val, bytes, SM_EFUSE_READ, offset, + bytes, 0, 0, 0); + + return ret < 0 ? ret : 0; } static int meson_efuse_write(void *context, unsigned int offset, void *val, size_t bytes) { struct meson_sm_firmware *fw = context; + int ret; + + ret = meson_sm_call_write(fw, (u8 *)val, bytes, SM_EFUSE_WRITE, offset, + bytes, 0, 0, 0); - return meson_sm_call_write(fw, (u8 *)val, bytes, SM_EFUSE_WRITE, offset, - bytes, 0, 0, 0); + return ret < 0 ? ret : 0; } static const struct of_device_id meson_efuse_match[] = { diff --git a/drivers/nvmem/rmem.c b/drivers/nvmem/rmem.c index 752d0bf444..7f907c5a44 100644 --- a/drivers/nvmem/rmem.c +++ b/drivers/nvmem/rmem.c @@ -46,7 +46,10 @@ static int rmem_read(void *context, unsigned int offset, memunmap(addr); - return count; + if (count < 0) + return count; + + return count == bytes ? 0 : -EIO; } static int rmem_probe(struct platform_device *pdev) diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 352e14b007..f59bbcc944 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -288,7 +288,8 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar struct device_node *p; const __be32 *addr; u32 intsize; - int i, res; + int i, res, addr_len; + __be32 addr_buf[3] = { 0 }; pr_debug("of_irq_parse_one: dev=%pOF, index=%d\n", device, index); @@ -297,13 +298,19 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar return of_irq_parse_oldworld(device, index, out_irq); /* Get the reg property (if any) */ - addr = of_get_property(device, "reg", NULL); + addr = of_get_property(device, "reg", &addr_len); + + /* Prevent out-of-bounds read in case of longer interrupt parent address size */ + if (addr_len > sizeof(addr_buf)) + addr_len = sizeof(addr_buf); + if (addr) + memcpy(addr_buf, addr, addr_len); /* Try the new-style interrupts-extended first */ res = of_parse_phandle_with_args(device, "interrupts-extended", "#interrupt-cells", index, out_irq); if (!res) - return of_irq_parse_raw(addr, out_irq); + return of_irq_parse_raw(addr_buf, out_irq); /* Look for the interrupt parent. */ p = of_irq_find_parent(device); @@ -333,7 +340,7 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar /* Check if there are any interrupt-map translations to process */ - res = of_irq_parse_raw(addr, out_irq); + res = of_irq_parse_raw(addr_buf, out_irq); out: of_node_put(p); return res; @@ -635,8 +642,7 @@ struct irq_domain *of_msi_map_get_device_domain(struct device *dev, u32 id, * @np: device node for @dev * @token: bus type for this domain * - * Parse the msi-parent property (both the simple and the complex - * versions), and returns the corresponding MSI domain. + * Parse the msi-parent property and returns the corresponding MSI domain. * * Returns: the MSI domain for this device (or NULL on failure). */ @@ -644,33 +650,14 @@ struct irq_domain *of_msi_get_domain(struct device *dev, struct device_node *np, enum irq_domain_bus_token token) { - struct device_node *msi_np; + struct of_phandle_iterator it; struct irq_domain *d; + int err; - /* Check for a single msi-parent property */ - msi_np = of_parse_phandle(np, "msi-parent", 0); - if (msi_np && !of_property_read_bool(msi_np, "#msi-cells")) { - d = irq_find_matching_host(msi_np, token); - if (!d) - of_node_put(msi_np); - return d; - } - - if (token == DOMAIN_BUS_PLATFORM_MSI) { - /* Check for the complex msi-parent version */ - struct of_phandle_args args; - int index = 0; - - while (!of_parse_phandle_with_args(np, "msi-parent", - "#msi-cells", - index, &args)) { - d = irq_find_matching_host(args.np, token); - if (d) - return d; - - of_node_put(args.np); - index++; - } + of_for_each_phandle(&it, err, np, "msi-parent", "#msi-cells", 0) { + d = irq_find_matching_host(it.node, token); + if (d) + return d; } return NULL; diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index 9e949ddcb1..6ec668ae2d 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -22,6 +22,7 @@ #include #include #include +#include #include "of_private.h" @@ -117,12 +118,8 @@ static int __init __reserved_mem_alloc_size(unsigned long node, if (IS_ENABLED(CONFIG_CMA) && of_flat_dt_is_compatible(node, "shared-dma-pool") && of_get_flat_dt_prop(node, "reusable", NULL) - && !nomap) { - unsigned long order = - max_t(unsigned long, MAX_ORDER - 1, pageblock_order); - - align = max(align, (phys_addr_t)PAGE_SIZE << order); - } + && !nomap) + align = max_t(phys_addr_t, align, CMA_MIN_ALIGNMENT_BYTES); prop = of_get_flat_dt_prop(node, "alloc-ranges", &len); if (prop) { diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c index d740eba3c0..180376c09c 100644 --- a/drivers/parport/procfs.c +++ b/drivers/parport/procfs.c @@ -51,12 +51,12 @@ static int do_active_device(struct ctl_table *table, int write, for (dev = port->devices; dev ; dev = dev->next) { if(dev == port->cad) { - len += sprintf(buffer, "%s\n", dev->name); + len += scnprintf(buffer, sizeof(buffer), "%s\n", dev->name); } } if(!len) { - len += sprintf(buffer, "%s\n", "none"); + len += scnprintf(buffer, sizeof(buffer), "%s\n", "none"); } if (len > *lenp) @@ -87,19 +87,19 @@ static int do_autoprobe(struct ctl_table *table, int write, } if ((str = info->class_name) != NULL) - len += sprintf (buffer + len, "CLASS:%s;\n", str); + len += scnprintf (buffer + len, sizeof(buffer) - len, "CLASS:%s;\n", str); if ((str = info->model) != NULL) - len += sprintf (buffer + len, "MODEL:%s;\n", str); + len += scnprintf (buffer + len, sizeof(buffer) - len, "MODEL:%s;\n", str); if ((str = info->mfr) != NULL) - len += sprintf (buffer + len, "MANUFACTURER:%s;\n", str); + len += scnprintf (buffer + len, sizeof(buffer) - len, "MANUFACTURER:%s;\n", str); if ((str = info->description) != NULL) - len += sprintf (buffer + len, "DESCRIPTION:%s;\n", str); + len += scnprintf (buffer + len, sizeof(buffer) - len, "DESCRIPTION:%s;\n", str); if ((str = info->cmdset) != NULL) - len += sprintf (buffer + len, "COMMAND SET:%s;\n", str); + len += scnprintf (buffer + len, sizeof(buffer) - len, "COMMAND SET:%s;\n", str); if (len > *lenp) len = *lenp; @@ -117,7 +117,7 @@ static int do_hardware_base_addr(struct ctl_table *table, int write, void *result, size_t *lenp, loff_t *ppos) { struct parport *port = (struct parport *)table->extra1; - char buffer[20]; + char buffer[64]; int len = 0; if (*ppos) { @@ -128,7 +128,7 @@ static int do_hardware_base_addr(struct ctl_table *table, int write, if (write) /* permissions prevent this anyway */ return -EACCES; - len += sprintf (buffer, "%lu\t%lu\n", port->base, port->base_hi); + len += scnprintf (buffer, sizeof(buffer), "%lu\t%lu\n", port->base, port->base_hi); if (len > *lenp) len = *lenp; @@ -155,7 +155,7 @@ static int do_hardware_irq(struct ctl_table *table, int write, if (write) /* permissions prevent this anyway */ return -EACCES; - len += sprintf (buffer, "%d\n", port->irq); + len += scnprintf (buffer, sizeof(buffer), "%d\n", port->irq); if (len > *lenp) len = *lenp; @@ -182,7 +182,7 @@ static int do_hardware_dma(struct ctl_table *table, int write, if (write) /* permissions prevent this anyway */ return -EACCES; - len += sprintf (buffer, "%d\n", port->dma); + len += scnprintf (buffer, sizeof(buffer), "%d\n", port->dma); if (len > *lenp) len = *lenp; @@ -213,7 +213,7 @@ static int do_hardware_modes(struct ctl_table *table, int write, #define printmode(x) \ do { \ if (port->modes & PARPORT_MODE_##x) \ - len += sprintf(buffer + len, "%s%s", f++ ? "," : "", #x); \ + len += scnprintf(buffer + len, sizeof(buffer) - len, "%s%s", f++ ? "," : "", #x); \ } while (0) int f = 0; printmode(PCSPP); diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c index 09379e5f77..80eb0c04bc 100644 --- a/drivers/pci/controller/dwc/pci-keystone.c +++ b/drivers/pci/controller/dwc/pci-keystone.c @@ -35,6 +35,11 @@ #define PCIE_DEVICEID_SHIFT 16 /* Application registers */ +#define PID 0x000 +#define RTL GENMASK(15, 11) +#define RTL_SHIFT 11 +#define AM6_PCI_PG1_RTL_VER 0x15 + #define CMD_STATUS 0x004 #define LTSSM_EN_VAL BIT(0) #define OB_XLAT_EN_VAL BIT(1) @@ -105,6 +110,8 @@ #define to_keystone_pcie(x) dev_get_drvdata((x)->dev) +#define PCI_DEVICE_ID_TI_AM654X 0xb00c + struct ks_pcie_of_data { enum dw_pcie_device_mode mode; const struct dw_pcie_host_ops *host_ops; @@ -528,7 +535,11 @@ static int ks_pcie_start_link(struct dw_pcie *pci) static void ks_pcie_quirk(struct pci_dev *dev) { struct pci_bus *bus = dev->bus; + struct keystone_pcie *ks_pcie; + struct device *bridge_dev; struct pci_dev *bridge; + u32 val; + static const struct pci_device_id rc_pci_devids[] = { { PCI_DEVICE(PCI_VENDOR_ID_TI, PCIE_RC_K2HK), .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, }, @@ -540,6 +551,11 @@ static void ks_pcie_quirk(struct pci_dev *dev) .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, }, { 0, }, }; + static const struct pci_device_id am6_pci_devids[] = { + { PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_AM654X), + .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, }, + { 0, }, + }; if (pci_is_root_bus(bus)) bridge = dev; @@ -561,10 +577,36 @@ static void ks_pcie_quirk(struct pci_dev *dev) */ if (pci_match_id(rc_pci_devids, bridge)) { if (pcie_get_readrq(dev) > 256) { - dev_info(&dev->dev, "limiting MRRS to 256\n"); + dev_info(&dev->dev, "limiting MRRS to 256 bytes\n"); pcie_set_readrq(dev, 256); } } + + /* + * Memory transactions fail with PCI controller in AM654 PG1.0 + * when MRRS is set to more than 128 bytes. Force the MRRS to + * 128 bytes in all downstream devices. + */ + if (pci_match_id(am6_pci_devids, bridge)) { + bridge_dev = pci_get_host_bridge_device(dev); + if (!bridge_dev || !bridge_dev->parent) + return; + + ks_pcie = dev_get_drvdata(bridge_dev->parent); + if (!ks_pcie) + return; + + val = ks_pcie_app_readl(ks_pcie, PID); + val &= RTL; + val >>= RTL_SHIFT; + if (val != AM6_PCI_PG1_RTL_VER) + return; + + if (pcie_get_readrq(dev) > 128) { + dev_info(&dev->dev, "limiting MRRS to 128 bytes\n"); + pcie_set_readrq(dev, 128); + } + } } DECLARE_PCI_FIXUP_ENABLE(PCI_ANY_ID, PCI_ANY_ID, ks_pcie_quirk); diff --git a/drivers/pci/controller/dwc/pcie-al.c b/drivers/pci/controller/dwc/pcie-al.c index e8afa50129..60a0d59a53 100644 --- a/drivers/pci/controller/dwc/pcie-al.c +++ b/drivers/pci/controller/dwc/pcie-al.c @@ -242,18 +242,24 @@ static struct pci_ops al_child_pci_ops = { .write = pci_generic_config_write, }; -static void al_pcie_config_prepare(struct al_pcie *pcie) +static int al_pcie_config_prepare(struct al_pcie *pcie) { struct al_pcie_target_bus_cfg *target_bus_cfg; struct pcie_port *pp = &pcie->pci->pp; unsigned int ecam_bus_mask; + struct resource_entry *ft; u32 cfg_control_offset; + struct resource *bus; u8 subordinate_bus; u8 secondary_bus; u32 cfg_control; u32 reg; - struct resource *bus = resource_list_first_type(&pp->bridge->windows, IORESOURCE_BUS)->res; + ft = resource_list_first_type(&pp->bridge->windows, IORESOURCE_BUS); + if (!ft) + return -ENODEV; + + bus = ft->res; target_bus_cfg = &pcie->target_bus_cfg; ecam_bus_mask = (pcie->ecam_size >> PCIE_ECAM_BUS_SHIFT) - 1; @@ -287,6 +293,8 @@ static void al_pcie_config_prepare(struct al_pcie *pcie) FIELD_PREP(CFG_CONTROL_SEC_BUS_MASK, secondary_bus); al_pcie_controller_writel(pcie, cfg_control_offset, reg); + + return 0; } static int al_pcie_host_init(struct pcie_port *pp) @@ -305,7 +313,9 @@ static int al_pcie_host_init(struct pcie_port *pp) if (rc) return rc; - al_pcie_config_prepare(pcie); + rc = al_pcie_config_prepare(pcie); + if (rc) + return rc; return 0; } diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index f561e87cd5..962e700f90 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -352,6 +352,12 @@ int dw_pcie_host_init(struct pcie_port *pp) if (ret < 0) return ret; } else if (pp->has_msi_ctrl) { + u32 ctrl, num_ctrls; + + num_ctrls = pp->num_vectors / MAX_MSI_IRQS_PER_CTRL; + for (ctrl = 0; ctrl < num_ctrls; ctrl++) + pp->irq_mask[ctrl] = ~0; + if (!pp->msi_irq) { pp->msi_irq = platform_get_irq_byname_optional(pdev, "msi"); if (pp->msi_irq < 0) { @@ -550,7 +556,6 @@ void dw_pcie_setup_rc(struct pcie_port *pp) /* Initialize IRQ Status array */ for (ctrl = 0; ctrl < num_ctrls; ctrl++) { - pp->irq_mask[ctrl] = ~0; dw_pcie_writel_dbi(pci, PCIE_MSI_INTR0_MASK + (ctrl * MSI_REG_CTRL_BLOCK_SIZE), pp->irq_mask[ctrl]); diff --git a/drivers/pci/controller/dwc/pcie-dw-rockchip.c b/drivers/pci/controller/dwc/pcie-dw-rockchip.c index c9b341e55c..b7f848eb2d 100644 --- a/drivers/pci/controller/dwc/pcie-dw-rockchip.c +++ b/drivers/pci/controller/dwc/pcie-dw-rockchip.c @@ -148,7 +148,7 @@ static int rockchip_pcie_resource_get(struct platform_device *pdev, return PTR_ERR(rockchip->apb_base); rockchip->rst_gpio = devm_gpiod_get_optional(&pdev->dev, "reset", - GPIOD_OUT_HIGH); + GPIOD_OUT_LOW); if (IS_ERR(rockchip->rst_gpio)) return PTR_ERR(rockchip->rst_gpio); diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 9b15c0130b..4325b98993 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -707,8 +707,8 @@ static void _hv_pcifront_read_config(struct hv_pci_dev *hpdev, int where, PCI_CAPABILITY_LIST) { /* ROM BARs are unimplemented */ *val = 0; - } else if (where >= PCI_INTERRUPT_LINE && where + size <= - PCI_INTERRUPT_PIN) { + } else if ((where >= PCI_INTERRUPT_LINE && where + size <= PCI_INTERRUPT_PIN) || + (where >= PCI_INTERRUPT_PIN && where + size <= PCI_MIN_GNT)) { /* * Interrupt Line and Interrupt PIN are hard-wired to zero * because this front-end only supports message-signaled diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c index 0af0e965fb..1e3c3192d1 100644 --- a/drivers/pci/controller/pcie-rockchip-ep.c +++ b/drivers/pci/controller/pcie-rockchip-ep.c @@ -98,10 +98,8 @@ static int rockchip_pcie_ep_write_header(struct pci_epc *epc, u8 fn, u8 vfn, /* All functions share the same vendor ID with function 0 */ if (fn == 0) { - u32 vid_regs = (hdr->vendorid & GENMASK(15, 0)) | - (hdr->subsys_vendor_id & GENMASK(31, 16)) << 16; - - rockchip_pcie_write(rockchip, vid_regs, + rockchip_pcie_write(rockchip, + hdr->vendorid | hdr->subsys_vendor_id << 16, PCIE_CORE_CONFIG_VENDOR); } diff --git a/drivers/pci/controller/pcie-rockchip.c b/drivers/pci/controller/pcie-rockchip.c index 1aa84035a8..bdce1ba7c1 100644 --- a/drivers/pci/controller/pcie-rockchip.c +++ b/drivers/pci/controller/pcie-rockchip.c @@ -120,7 +120,7 @@ int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip) if (rockchip->is_rc) { rockchip->ep_gpio = devm_gpiod_get_optional(dev, "ep", - GPIOD_OUT_HIGH); + GPIOD_OUT_LOW); if (IS_ERR(rockchip->ep_gpio)) return dev_err_probe(dev, PTR_ERR(rockchip->ep_gpio), "failed to get ep GPIO\n"); diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c index a72b4f9a2b..92ec6b6d82 100644 --- a/drivers/pci/controller/pcie-xilinx-nwl.c +++ b/drivers/pci/controller/pcie-xilinx-nwl.c @@ -81,8 +81,8 @@ #define MSGF_MISC_SR_NON_FATAL_DEV BIT(22) #define MSGF_MISC_SR_FATAL_DEV BIT(23) #define MSGF_MISC_SR_LINK_DOWN BIT(24) -#define MSGF_MSIC_SR_LINK_AUTO_BWIDTH BIT(25) -#define MSGF_MSIC_SR_LINK_BWIDTH BIT(26) +#define MSGF_MISC_SR_LINK_AUTO_BWIDTH BIT(25) +#define MSGF_MISC_SR_LINK_BWIDTH BIT(26) #define MSGF_MISC_SR_MASKALL (MSGF_MISC_SR_RXMSG_AVAIL | \ MSGF_MISC_SR_RXMSG_OVER | \ @@ -97,8 +97,8 @@ MSGF_MISC_SR_NON_FATAL_DEV | \ MSGF_MISC_SR_FATAL_DEV | \ MSGF_MISC_SR_LINK_DOWN | \ - MSGF_MSIC_SR_LINK_AUTO_BWIDTH | \ - MSGF_MSIC_SR_LINK_BWIDTH) + MSGF_MISC_SR_LINK_AUTO_BWIDTH | \ + MSGF_MISC_SR_LINK_BWIDTH) /* Legacy interrupt status mask bits */ #define MSGF_LEG_SR_INTA BIT(0) @@ -302,10 +302,10 @@ static irqreturn_t nwl_pcie_misc_handler(int irq, void *data) if (misc_stat & MSGF_MISC_SR_FATAL_DEV) dev_err(dev, "Fatal Error Detected\n"); - if (misc_stat & MSGF_MSIC_SR_LINK_AUTO_BWIDTH) + if (misc_stat & MSGF_MISC_SR_LINK_AUTO_BWIDTH) dev_info(dev, "Link Autonomous Bandwidth Management Status bit set\n"); - if (misc_stat & MSGF_MSIC_SR_LINK_BWIDTH) + if (misc_stat & MSGF_MISC_SR_LINK_BWIDTH) dev_info(dev, "Link Bandwidth Management Status bit set\n"); /* Clear misc interrupt status */ @@ -376,7 +376,7 @@ static void nwl_mask_leg_irq(struct irq_data *data) u32 mask; u32 val; - mask = 1 << (data->hwirq - 1); + mask = 1 << data->hwirq; raw_spin_lock_irqsave(&pcie->leg_mask_lock, flags); val = nwl_bridge_readl(pcie, MSGF_LEG_MASK); nwl_bridge_writel(pcie, (val & (~mask)), MSGF_LEG_MASK); @@ -390,7 +390,7 @@ static void nwl_unmask_leg_irq(struct irq_data *data) u32 mask; u32 val; - mask = 1 << (data->hwirq - 1); + mask = 1 << data->hwirq; raw_spin_lock_irqsave(&pcie->leg_mask_lock, flags); val = nwl_bridge_readl(pcie, MSGF_LEG_MASK); nwl_bridge_writel(pcie, (val | mask), MSGF_LEG_MASK); @@ -808,6 +808,7 @@ static int nwl_pcie_probe(struct platform_device *pdev) return -ENODEV; pcie = pci_host_bridge_priv(bridge); + platform_set_drvdata(pdev, pcie); pcie->dev = dev; pcie->ecam_value = NWL_ECAM_VALUE_DEFAULT; @@ -831,13 +832,13 @@ static int nwl_pcie_probe(struct platform_device *pdev) err = nwl_pcie_bridge_init(pcie); if (err) { dev_err(dev, "HW Initialization failed\n"); - return err; + goto err_clk; } err = nwl_pcie_init_irq_domain(pcie); if (err) { dev_err(dev, "Failed creating IRQ Domain\n"); - return err; + goto err_clk; } bridge->sysdata = pcie; @@ -847,11 +848,24 @@ static int nwl_pcie_probe(struct platform_device *pdev) err = nwl_pcie_enable_msi(pcie); if (err < 0) { dev_err(dev, "failed to enable MSI support: %d\n", err); - return err; + goto err_clk; } } - return pci_host_probe(bridge); + err = pci_host_probe(bridge); + if (!err) + return 0; + +err_clk: + clk_disable_unprepare(pcie->clk); + return err; +} + +static void nwl_pcie_remove(struct platform_device *pdev) +{ + struct nwl_pcie *pcie = platform_get_drvdata(pdev); + + clk_disable_unprepare(pcie->clk); } static struct platform_driver nwl_pcie_driver = { @@ -861,5 +875,6 @@ static struct platform_driver nwl_pcie_driver = { .of_match_table = nwl_pcie_of_match, }, .probe = nwl_pcie_probe, + .remove_new = nwl_pcie_remove, }; builtin_platform_driver(nwl_pcie_driver); diff --git a/drivers/pci/endpoint/functions/pci-epf-vntb.c b/drivers/pci/endpoint/functions/pci-epf-vntb.c index d4cd4bd4a0..fb926b300c 100644 --- a/drivers/pci/endpoint/functions/pci-epf-vntb.c +++ b/drivers/pci/endpoint/functions/pci-epf-vntb.c @@ -993,8 +993,10 @@ static int vpci_scan_bus(void *sysdata) struct epf_ntb *ndev = sysdata; vpci_bus = pci_scan_bus(ndev->vbus_number, &vpci_ops, sysdata); - if (vpci_bus) - pr_err("create pci bus\n"); + if (!vpci_bus) { + pr_err("create pci bus failed\n"); + return -EINVAL; + } pci_bus_add_devices(vpci_bus); @@ -1313,10 +1315,14 @@ static int epf_ntb_bind(struct pci_epf *epf) goto err_bar_alloc; } - vpci_scan_bus(ntb); + ret = vpci_scan_bus(ntb); + if (ret) + goto err_unregister; return 0; +err_unregister: + pci_unregister_driver(&vntb_pci_driver); err_bar_alloc: epf_ntb_config_spad_bar_free(ntb); diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c index f4c2e6e01b..e233f8402e 100644 --- a/drivers/pci/hotplug/pnv_php.c +++ b/drivers/pci/hotplug/pnv_php.c @@ -38,7 +38,6 @@ static void pnv_php_disable_irq(struct pnv_php_slot *php_slot, bool disable_device) { struct pci_dev *pdev = php_slot->pdev; - int irq = php_slot->irq; u16 ctrl; if (php_slot->irq > 0) { @@ -57,7 +56,7 @@ static void pnv_php_disable_irq(struct pnv_php_slot *php_slot, php_slot->wq = NULL; } - if (disable_device || irq > 0) { + if (disable_device) { if (pdev->msix_enabled) pci_disable_msix(pdev); else if (pdev->msi_enabled) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 36f1e60419..ee1d74f89a 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -2901,6 +2901,18 @@ static const struct dmi_system_id bridge_d3_blacklist[] = { DMI_MATCH(DMI_BOARD_VERSION, "Continental Z2"), }, }, + { + /* + * Changing power state of root port dGPU is connected fails + * https://gitlab.freedesktop.org/drm/amd/-/issues/3229 + */ + .ident = "Hewlett-Packard HP Pavilion 17 Notebook PC/1972", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_BOARD_NAME, "1972"), + DMI_MATCH(DMI_BOARD_VERSION, "95.33"), + }, + }, #endif { } }; @@ -4904,7 +4916,7 @@ int pci_bridge_wait_for_secondary_bus(struct pci_dev *dev, char *reset_type, int timeout) { struct pci_dev *child; - int delay; + int delay, ret = 0; if (pci_dev_is_disconnected(dev)) return 0; @@ -4932,8 +4944,8 @@ int pci_bridge_wait_for_secondary_bus(struct pci_dev *dev, char *reset_type, return 0; } - child = list_first_entry(&dev->subordinate->devices, struct pci_dev, - bus_list); + child = pci_dev_get(list_first_entry(&dev->subordinate->devices, + struct pci_dev, bus_list)); up_read(&pci_bus_sem); /* @@ -4943,7 +4955,7 @@ int pci_bridge_wait_for_secondary_bus(struct pci_dev *dev, char *reset_type, if (!pci_is_pcie(dev)) { pci_dbg(dev, "waiting %d ms for secondary bus\n", 1000 + delay); msleep(1000 + delay); - return 0; + goto put_child; } /* @@ -4964,7 +4976,7 @@ int pci_bridge_wait_for_secondary_bus(struct pci_dev *dev, char *reset_type, * until the timeout expires. */ if (!pcie_downstream_port(dev)) - return 0; + goto put_child; if (pcie_get_speed_cap(dev) <= PCIE_SPEED_5_0GT) { pci_dbg(dev, "waiting %d ms for downstream link\n", delay); @@ -4975,11 +4987,16 @@ int pci_bridge_wait_for_secondary_bus(struct pci_dev *dev, char *reset_type, if (!pcie_wait_for_link_delay(dev, true, delay)) { /* Did not train, no need to wait any further */ pci_info(dev, "Data Link Layer Link Active not set in 1000 msec\n"); - return -ENOTTY; + ret = -ENOTTY; + goto put_child; } } - return pci_dev_wait(child, reset_type, timeout - delay); + ret = pci_dev_wait(child, reset_type, timeout - delay); + +put_child: + pci_dev_put(child); + return ret; } void pci_reset_secondary_bus(struct pci_dev *dev) @@ -5479,10 +5496,12 @@ static void pci_bus_lock(struct pci_bus *bus) { struct pci_dev *dev; + pci_dev_lock(bus->self); list_for_each_entry(dev, &bus->devices, bus_list) { - pci_dev_lock(dev); if (dev->subordinate) pci_bus_lock(dev->subordinate); + else + pci_dev_lock(dev); } } @@ -5494,8 +5513,10 @@ static void pci_bus_unlock(struct pci_bus *bus) list_for_each_entry(dev, &bus->devices, bus_list) { if (dev->subordinate) pci_bus_unlock(dev->subordinate); - pci_dev_unlock(dev); + else + pci_dev_unlock(dev); } + pci_dev_unlock(bus->self); } /* Return 1 on successful lock, 0 on contention */ @@ -5503,15 +5524,15 @@ static int pci_bus_trylock(struct pci_bus *bus) { struct pci_dev *dev; + if (!pci_dev_trylock(bus->self)) + return 0; + list_for_each_entry(dev, &bus->devices, bus_list) { - if (!pci_dev_trylock(dev)) - goto unlock; if (dev->subordinate) { - if (!pci_bus_trylock(dev->subordinate)) { - pci_dev_unlock(dev); + if (!pci_bus_trylock(dev->subordinate)) goto unlock; - } - } + } else if (!pci_dev_trylock(dev)) + goto unlock; } return 1; @@ -5519,8 +5540,10 @@ static int pci_bus_trylock(struct pci_bus *bus) list_for_each_entry_continue_reverse(dev, &bus->devices, bus_list) { if (dev->subordinate) pci_bus_unlock(dev->subordinate); - pci_dev_unlock(dev); + else + pci_dev_unlock(dev); } + pci_dev_unlock(bus->self); return 0; } @@ -5552,9 +5575,10 @@ static void pci_slot_lock(struct pci_slot *slot) list_for_each_entry(dev, &slot->bus->devices, bus_list) { if (!dev->slot || dev->slot != slot) continue; - pci_dev_lock(dev); if (dev->subordinate) pci_bus_lock(dev->subordinate); + else + pci_dev_lock(dev); } } @@ -5580,14 +5604,13 @@ static int pci_slot_trylock(struct pci_slot *slot) list_for_each_entry(dev, &slot->bus->devices, bus_list) { if (!dev->slot || dev->slot != slot) continue; - if (!pci_dev_trylock(dev)) - goto unlock; if (dev->subordinate) { if (!pci_bus_trylock(dev->subordinate)) { pci_dev_unlock(dev); goto unlock; } - } + } else if (!pci_dev_trylock(dev)) + goto unlock; } return 1; @@ -5598,7 +5621,8 @@ static int pci_slot_trylock(struct pci_slot *slot) continue; if (dev->subordinate) pci_bus_unlock(dev->subordinate); - pci_dev_unlock(dev); + else + pci_dev_unlock(dev); } return 0; } diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 4d4267105c..4ce4ca3df7 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3482,6 +3482,8 @@ DECLARE_PCI_FIXUP_FINAL(0x1814, 0x0601, /* Ralink RT2800 802.11n PCI */ quirk_broken_intx_masking); DECLARE_PCI_FIXUP_FINAL(0x1b7c, 0x0004, /* Ceton InfiniTV4 */ quirk_broken_intx_masking); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2, + quirk_broken_intx_masking); /* * Realtek RTL8169 PCI Gigabit Ethernet Controller (rev 10) @@ -4118,6 +4120,10 @@ static void quirk_dma_func0_alias(struct pci_dev *dev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_RICOH, 0xe832, quirk_dma_func0_alias); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_RICOH, 0xe476, quirk_dma_func0_alias); +/* Some Glenfly chips use function 0 as the PCIe Requester ID for DMA */ +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_GLENFLY, 0x3d40, quirk_dma_func0_alias); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_GLENFLY, 0x3d41, quirk_dma_func0_alias); + static void quirk_dma_func1_alias(struct pci_dev *dev) { if (PCI_FUNC(dev->devfn) != 1) @@ -4942,6 +4948,8 @@ static const struct pci_dev_acs_enabled { /* QCOM QDF2xxx root ports */ { PCI_VENDOR_ID_QCOM, 0x0400, pci_quirk_qcom_rp_acs }, { PCI_VENDOR_ID_QCOM, 0x0401, pci_quirk_qcom_rp_acs }, + /* QCOM SA8775P root port */ + { PCI_VENDOR_ID_QCOM, 0x0115, pci_quirk_qcom_rp_acs }, /* HXT SD4800 root ports. The ACS design is same as QCOM QDF2xxx */ { PCI_VENDOR_ID_HXT, 0x0401, pci_quirk_qcom_rp_acs }, /* Intel PCH root ports */ diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 16d291e106..a159bfdfa2 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -824,11 +824,9 @@ static resource_size_t calculate_memsize(resource_size_t size, size = min_size; if (old_size == 1) old_size = 0; - if (size < old_size) - size = old_size; - size = ALIGN(max(size, add_size) + children_add_size, align); - return size; + size = max(size, add_size) + children_add_size; + return ALIGN(max(size, old_size), align); } resource_size_t __weak pcibios_window_alignment(struct pci_bus *bus, diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c index 84bfc0e85d..f15b72c6e5 100644 --- a/drivers/pcmcia/yenta_socket.c +++ b/drivers/pcmcia/yenta_socket.c @@ -636,11 +636,11 @@ static int yenta_search_one_res(struct resource *root, struct resource *res, start = PCIBIOS_MIN_CARDBUS_IO; end = ~0U; } else { - unsigned long avail = root->end - root->start; + unsigned long avail = resource_size(root); int i; size = BRIDGE_MEM_MAX; - if (size > avail/8) { - size = (avail+1)/8; + if (size > (avail - 1) / 8) { + size = avail / 8; /* round size down to next power of 2 */ i = 0; while ((size /= 2) != 0) diff --git a/drivers/phy/cadence/phy-cadence-torrent.c b/drivers/phy/cadence/phy-cadence-torrent.c index 415ace64ad..8f23146d62 100644 --- a/drivers/phy/cadence/phy-cadence-torrent.c +++ b/drivers/phy/cadence/phy-cadence-torrent.c @@ -1056,6 +1056,9 @@ static int cdns_torrent_dp_set_power_state(struct cdns_torrent_phy *cdns_phy, ret = regmap_read_poll_timeout(regmap, PHY_PMA_XCVR_POWER_STATE_ACK, read_val, (read_val & mask) == value, 0, POLL_TIMEOUT_US); + if (ret) + return ret; + cdns_torrent_dp_write(regmap, PHY_PMA_XCVR_POWER_STATE_REQ, 0x00000000); ndelay(100); diff --git a/drivers/phy/xilinx/phy-zynqmp.c b/drivers/phy/xilinx/phy-zynqmp.c index 9be9535ad7..ac9a9124a3 100644 --- a/drivers/phy/xilinx/phy-zynqmp.c +++ b/drivers/phy/xilinx/phy-zynqmp.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include @@ -80,7 +81,8 @@ /* Reference clock selection parameters */ #define L0_Ln_REF_CLK_SEL(n) (0x2860 + (n) * 4) -#define L0_REF_CLK_SEL_MASK 0x8f +#define L0_REF_CLK_LCL_SEL BIT(7) +#define L0_REF_CLK_SEL_MASK 0x9f /* Calibration digital logic parameters */ #define L3_TM_CALIB_DIG19 0xec4c @@ -165,6 +167,24 @@ /* Timeout values */ #define TIMEOUT_US 1000 +/* Lane 0/1/2/3 offset */ +#define DIG_8(n) ((0x4000 * (n)) + 0x1074) +#define ILL13(n) ((0x4000 * (n)) + 0x1994) +#define DIG_10(n) ((0x4000 * (n)) + 0x107c) +#define RST_DLY(n) ((0x4000 * (n)) + 0x19a4) +#define BYP_15(n) ((0x4000 * (n)) + 0x1038) +#define BYP_12(n) ((0x4000 * (n)) + 0x102c) +#define MISC3(n) ((0x4000 * (n)) + 0x19ac) +#define EQ11(n) ((0x4000 * (n)) + 0x1978) + +static u32 save_reg_address[] = { + /* Lane 0/1/2/3 Register */ + DIG_8(0), ILL13(0), DIG_10(0), RST_DLY(0), BYP_15(0), BYP_12(0), MISC3(0), EQ11(0), + DIG_8(1), ILL13(1), DIG_10(1), RST_DLY(1), BYP_15(1), BYP_12(1), MISC3(1), EQ11(1), + DIG_8(2), ILL13(2), DIG_10(2), RST_DLY(2), BYP_15(2), BYP_12(2), MISC3(2), EQ11(2), + DIG_8(3), ILL13(3), DIG_10(3), RST_DLY(3), BYP_15(3), BYP_12(3), MISC3(3), EQ11(3), +}; + struct xpsgtr_dev; /** @@ -213,6 +233,7 @@ struct xpsgtr_phy { * @tx_term_fix: fix for GT issue * @saved_icm_cfg0: stored value of ICM CFG0 register * @saved_icm_cfg1: stored value of ICM CFG1 register + * @saved_regs: registers to be saved/restored during suspend/resume */ struct xpsgtr_dev { struct device *dev; @@ -225,6 +246,7 @@ struct xpsgtr_dev { bool tx_term_fix; unsigned int saved_icm_cfg0; unsigned int saved_icm_cfg1; + u32 *saved_regs; }; /* @@ -298,6 +320,32 @@ static inline void xpsgtr_clr_set_phy(struct xpsgtr_phy *gtr_phy, writel((readl(addr) & ~clr) | set, addr); } +/** + * xpsgtr_save_lane_regs - Saves registers on suspend + * @gtr_dev: pointer to phy controller context structure + */ +static void xpsgtr_save_lane_regs(struct xpsgtr_dev *gtr_dev) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(save_reg_address); i++) + gtr_dev->saved_regs[i] = xpsgtr_read(gtr_dev, + save_reg_address[i]); +} + +/** + * xpsgtr_restore_lane_regs - Restores registers on resume + * @gtr_dev: pointer to phy controller context structure + */ +static void xpsgtr_restore_lane_regs(struct xpsgtr_dev *gtr_dev) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(save_reg_address); i++) + xpsgtr_write(gtr_dev, save_reg_address[i], + gtr_dev->saved_regs[i]); +} + /* * Hardware Configuration */ @@ -349,11 +397,12 @@ static void xpsgtr_configure_pll(struct xpsgtr_phy *gtr_phy) PLL_FREQ_MASK, ssc->pll_ref_clk); /* Enable lane clock sharing, if required */ - if (gtr_phy->refclk != gtr_phy->lane) { - /* Lane3 Ref Clock Selection Register */ + if (gtr_phy->refclk == gtr_phy->lane) + xpsgtr_clr_set(gtr_phy->dev, L0_Ln_REF_CLK_SEL(gtr_phy->lane), + L0_REF_CLK_SEL_MASK, L0_REF_CLK_LCL_SEL); + else xpsgtr_clr_set(gtr_phy->dev, L0_Ln_REF_CLK_SEL(gtr_phy->lane), L0_REF_CLK_SEL_MASK, 1 << gtr_phy->refclk); - } /* SSC step size [7:0] */ xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_0_LSB, @@ -572,6 +621,10 @@ static int xpsgtr_phy_init(struct phy *phy) mutex_lock(>r_dev->gtr_mutex); + /* Configure and enable the clock when peripheral phy_init call */ + if (clk_prepare_enable(gtr_dev->clk[gtr_phy->refclk])) + goto out; + /* Skip initialization if not required. */ if (!xpsgtr_phy_init_required(gtr_phy)) goto out; @@ -616,9 +669,13 @@ static int xpsgtr_phy_init(struct phy *phy) static int xpsgtr_phy_exit(struct phy *phy) { struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy); + struct xpsgtr_dev *gtr_dev = gtr_phy->dev; gtr_phy->skip_phy_init = false; + /* Ensure that disable clock only, which configure for lane */ + clk_disable_unprepare(gtr_dev->clk[gtr_phy->refclk]); + return 0; } @@ -821,34 +878,27 @@ static struct phy *xpsgtr_xlate(struct device *dev, * Power Management */ -static int __maybe_unused xpsgtr_suspend(struct device *dev) +static int xpsgtr_runtime_suspend(struct device *dev) { struct xpsgtr_dev *gtr_dev = dev_get_drvdata(dev); - unsigned int i; /* Save the snapshot ICM_CFG registers. */ gtr_dev->saved_icm_cfg0 = xpsgtr_read(gtr_dev, ICM_CFG0); gtr_dev->saved_icm_cfg1 = xpsgtr_read(gtr_dev, ICM_CFG1); - for (i = 0; i < ARRAY_SIZE(gtr_dev->clk); i++) - clk_disable_unprepare(gtr_dev->clk[i]); + xpsgtr_save_lane_regs(gtr_dev); return 0; } -static int __maybe_unused xpsgtr_resume(struct device *dev) +static int xpsgtr_runtime_resume(struct device *dev) { struct xpsgtr_dev *gtr_dev = dev_get_drvdata(dev); unsigned int icm_cfg0, icm_cfg1; unsigned int i; bool skip_phy_init; - int err; - for (i = 0; i < ARRAY_SIZE(gtr_dev->clk); i++) { - err = clk_prepare_enable(gtr_dev->clk[i]); - if (err) - goto err_clk_put; - } + xpsgtr_restore_lane_regs(gtr_dev); icm_cfg0 = xpsgtr_read(gtr_dev, ICM_CFG0); icm_cfg1 = xpsgtr_read(gtr_dev, ICM_CFG1); @@ -869,18 +919,10 @@ static int __maybe_unused xpsgtr_resume(struct device *dev) gtr_dev->phys[i].skip_phy_init = skip_phy_init; return 0; - -err_clk_put: - while (i--) - clk_disable_unprepare(gtr_dev->clk[i]); - - return err; } -static const struct dev_pm_ops xpsgtr_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(xpsgtr_suspend, xpsgtr_resume) -}; - +static DEFINE_RUNTIME_DEV_PM_OPS(xpsgtr_pm_ops, xpsgtr_runtime_suspend, + xpsgtr_runtime_resume, NULL); /* * Probe & Platform Driver */ @@ -888,7 +930,6 @@ static const struct dev_pm_ops xpsgtr_pm_ops = { static int xpsgtr_get_ref_clocks(struct xpsgtr_dev *gtr_dev) { unsigned int refclk; - int ret; for (refclk = 0; refclk < ARRAY_SIZE(gtr_dev->refclk_sscs); ++refclk) { unsigned long rate; @@ -899,19 +940,14 @@ static int xpsgtr_get_ref_clocks(struct xpsgtr_dev *gtr_dev) snprintf(name, sizeof(name), "ref%u", refclk); clk = devm_clk_get_optional(gtr_dev->dev, name); if (IS_ERR(clk)) { - ret = dev_err_probe(gtr_dev->dev, PTR_ERR(clk), - "Failed to get reference clock %u\n", - refclk); - goto err_clk_put; + return dev_err_probe(gtr_dev->dev, PTR_ERR(clk), + "Failed to get ref clock %u\n", + refclk); } if (!clk) continue; - ret = clk_prepare_enable(clk); - if (ret) - goto err_clk_put; - gtr_dev->clk[refclk] = clk; /* @@ -931,18 +967,11 @@ static int xpsgtr_get_ref_clocks(struct xpsgtr_dev *gtr_dev) dev_err(gtr_dev->dev, "Invalid rate %lu for reference clock %u\n", rate, refclk); - ret = -EINVAL; - goto err_clk_put; + return -EINVAL; } } return 0; - -err_clk_put: - while (refclk--) - clk_disable_unprepare(gtr_dev->clk[refclk]); - - return ret; } static int xpsgtr_probe(struct platform_device *pdev) @@ -951,7 +980,6 @@ static int xpsgtr_probe(struct platform_device *pdev) struct xpsgtr_dev *gtr_dev; struct phy_provider *provider; unsigned int port; - unsigned int i; int ret; gtr_dev = devm_kzalloc(&pdev->dev, sizeof(*gtr_dev), GFP_KERNEL); @@ -991,8 +1019,7 @@ static int xpsgtr_probe(struct platform_device *pdev) phy = devm_phy_create(&pdev->dev, np, &xpsgtr_phyops); if (IS_ERR(phy)) { dev_err(&pdev->dev, "failed to create PHY\n"); - ret = PTR_ERR(phy); - goto err_clk_put; + return PTR_ERR(phy); } gtr_phy->phy = phy; @@ -1003,16 +1030,36 @@ static int xpsgtr_probe(struct platform_device *pdev) provider = devm_of_phy_provider_register(&pdev->dev, xpsgtr_xlate); if (IS_ERR(provider)) { dev_err(&pdev->dev, "registering provider failed\n"); - ret = PTR_ERR(provider); - goto err_clk_put; + return PTR_ERR(provider); } + + pm_runtime_set_active(gtr_dev->dev); + pm_runtime_enable(gtr_dev->dev); + + ret = pm_runtime_resume_and_get(gtr_dev->dev); + if (ret < 0) { + pm_runtime_disable(gtr_dev->dev); + return ret; + } + + gtr_dev->saved_regs = devm_kmalloc(gtr_dev->dev, + sizeof(save_reg_address), + GFP_KERNEL); + if (!gtr_dev->saved_regs) + return -ENOMEM; + return 0; +} -err_clk_put: - for (i = 0; i < ARRAY_SIZE(gtr_dev->clk); i++) - clk_disable_unprepare(gtr_dev->clk[i]); +static int xpsgtr_remove(struct platform_device *pdev) +{ + struct xpsgtr_dev *gtr_dev = platform_get_drvdata(pdev); - return ret; + pm_runtime_disable(gtr_dev->dev); + pm_runtime_put_noidle(gtr_dev->dev); + pm_runtime_set_suspended(gtr_dev->dev); + + return 0; } static const struct of_device_id xpsgtr_of_match[] = { @@ -1024,10 +1071,11 @@ MODULE_DEVICE_TABLE(of, xpsgtr_of_match); static struct platform_driver xpsgtr_driver = { .probe = xpsgtr_probe, + .remove = xpsgtr_remove, .driver = { .name = "xilinx-psgtr", .of_match_table = xpsgtr_of_match, - .pm = &xpsgtr_pm_ops, + .pm = pm_ptr(&xpsgtr_pm_ops), }, }; diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 46a06067e9..8f4cc52b2a 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -1092,8 +1092,8 @@ static struct pinctrl *create_pinctrl(struct device *dev, * an -EPROBE_DEFER later, as that is the worst case. */ if (ret == -EPROBE_DEFER) { - pinctrl_free(p, false); mutex_unlock(&pinctrl_maps_mutex); + pinctrl_free(p, false); return ERR_PTR(ret); } } @@ -2062,6 +2062,14 @@ pinctrl_init_controller(struct pinctrl_desc *pctldesc, struct device *dev, return ERR_PTR(ret); } +static void pinctrl_uninit_controller(struct pinctrl_dev *pctldev, struct pinctrl_desc *pctldesc) +{ + pinctrl_free_pindescs(pctldev, pctldesc->pins, + pctldesc->npins); + mutex_destroy(&pctldev->mutex); + kfree(pctldev); +} + static int pinctrl_claim_hogs(struct pinctrl_dev *pctldev) { pctldev->p = create_pinctrl(pctldev->dev, pctldev); @@ -2142,8 +2150,10 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc, return pctldev; error = pinctrl_enable(pctldev); - if (error) + if (error) { + pinctrl_uninit_controller(pctldev, pctldesc); return ERR_PTR(error); + } return pctldev; } diff --git a/drivers/pinctrl/freescale/pinctrl-mxs.c b/drivers/pinctrl/freescale/pinctrl-mxs.c index 735cedd095..5b0fcf15f2 100644 --- a/drivers/pinctrl/freescale/pinctrl-mxs.c +++ b/drivers/pinctrl/freescale/pinctrl-mxs.c @@ -405,8 +405,8 @@ static int mxs_pinctrl_probe_dt(struct platform_device *pdev, int ret; u32 val; - child = of_get_next_child(np, NULL); - if (!child) { + val = of_get_child_count(np); + if (val == 0) { dev_err(&pdev->dev, "no group is defined\n"); return -ENOENT; } diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c index 545486d985..c84326dfe3 100644 --- a/drivers/pinctrl/mvebu/pinctrl-dove.c +++ b/drivers/pinctrl/mvebu/pinctrl-dove.c @@ -769,7 +769,7 @@ static int dove_pinctrl_probe(struct platform_device *pdev) of_match_device(dove_pinctrl_of_match, &pdev->dev); struct mvebu_mpp_ctrl_data *mpp_data; void __iomem *base; - int i; + int i, ret; pdev->dev.platform_data = (void *)match->data; @@ -784,15 +784,18 @@ static int dove_pinctrl_probe(struct platform_device *pdev) } clk_prepare_enable(clk); - mpp_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - base = devm_ioremap_resource(&pdev->dev, mpp_res); - if (IS_ERR(base)) - return PTR_ERR(base); + base = devm_platform_get_and_ioremap_resource(pdev, 0, &mpp_res); + if (IS_ERR(base)) { + ret = PTR_ERR(base); + goto err_probe; + } mpp_data = devm_kcalloc(&pdev->dev, dove_pinctrl_info.ncontrols, sizeof(*mpp_data), GFP_KERNEL); - if (!mpp_data) - return -ENOMEM; + if (!mpp_data) { + ret = -ENOMEM; + goto err_probe; + } dove_pinctrl_info.control_data = mpp_data; for (i = 0; i < ARRAY_SIZE(dove_mpp_controls); i++) @@ -811,8 +814,10 @@ static int dove_pinctrl_probe(struct platform_device *pdev) } mpp4_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(mpp4_base)) - return PTR_ERR(mpp4_base); + if (IS_ERR(mpp4_base)) { + ret = PTR_ERR(mpp4_base); + goto err_probe; + } res = platform_get_resource(pdev, IORESOURCE_MEM, 2); if (!res) { @@ -823,8 +828,10 @@ static int dove_pinctrl_probe(struct platform_device *pdev) } pmu_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(pmu_base)) - return PTR_ERR(pmu_base); + if (IS_ERR(pmu_base)) { + ret = PTR_ERR(pmu_base); + goto err_probe; + } gconfmap = syscon_regmap_lookup_by_compatible("marvell,dove-global-config"); if (IS_ERR(gconfmap)) { @@ -834,12 +841,17 @@ static int dove_pinctrl_probe(struct platform_device *pdev) adjust_resource(&fb_res, (mpp_res->start & INT_REGS_MASK) + GC_REGS_OFFS, 0x14); gc_base = devm_ioremap_resource(&pdev->dev, &fb_res); - if (IS_ERR(gc_base)) - return PTR_ERR(gc_base); + if (IS_ERR(gc_base)) { + ret = PTR_ERR(gc_base); + goto err_probe; + } + gconfmap = devm_regmap_init_mmio(&pdev->dev, gc_base, &gc_regmap_config); - if (IS_ERR(gconfmap)) - return PTR_ERR(gconfmap); + if (IS_ERR(gconfmap)) { + ret = PTR_ERR(gconfmap); + goto err_probe; + } } /* Warn on any missing DT resource */ @@ -847,6 +859,9 @@ static int dove_pinctrl_probe(struct platform_device *pdev) dev_warn(&pdev->dev, FW_BUG "Missing pinctrl regs in DTB. Please update your firmware.\n"); return mvebu_pinctrl_probe(pdev); +err_probe: + clk_disable_unprepare(clk); + return ret; } static struct platform_driver dove_pinctrl_driver = { diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index 3b0341c730..9c92838428 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -1403,8 +1403,11 @@ static int at91_pinctrl_probe(struct platform_device *pdev) /* We will handle a range of GPIO pins */ for (i = 0; i < gpio_banks; i++) - if (gpio_chips[i]) + if (gpio_chips[i]) { pinctrl_add_gpio_range(info->pctl, &gpio_chips[i]->range); + gpiochip_add_pin_range(&gpio_chips[i]->chip, dev_name(info->pctl->dev), 0, + gpio_chips[i]->range.pin_base, gpio_chips[i]->range.npins); + } dev_info(&pdev->dev, "initialized AT91 pinctrl driver\n"); diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c index b14f1b7a62..9f1b88fa33 100644 --- a/drivers/pinctrl/pinctrl-ocelot.c +++ b/drivers/pinctrl/pinctrl-ocelot.c @@ -1279,21 +1279,21 @@ static void ocelot_irq_handler(struct irq_desc *desc) unsigned int reg = 0, irq, i; unsigned long irqs; + chained_irq_enter(parent_chip, desc); + for (i = 0; i < info->stride; i++) { regmap_read(info->map, id_reg + 4 * i, ®); if (!reg) continue; - chained_irq_enter(parent_chip, desc); - irqs = reg; for_each_set_bit(irq, &irqs, min(32U, info->desc->npins - 32 * i)) generic_handle_domain_irq(chip->irq.domain, irq + 32 * i); - - chained_irq_exit(parent_chip, desc); } + + chained_irq_exit(parent_chip, desc); } static int ocelot_gpiochip_register(struct platform_device *pdev, diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index a6f4aca9c6..f473585d93 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -564,23 +564,68 @@ static struct rockchip_mux_recalced_data rk3308_mux_recalced_data[] = { static struct rockchip_mux_recalced_data rk3328_mux_recalced_data[] = { { - .num = 2, - .pin = 12, - .reg = 0x24, - .bit = 8, - .mask = 0x3 - }, { + /* gpio2_b7_sel */ .num = 2, .pin = 15, .reg = 0x28, .bit = 0, .mask = 0x7 }, { + /* gpio2_c7_sel */ .num = 2, .pin = 23, .reg = 0x30, .bit = 14, .mask = 0x3 + }, { + /* gpio3_b1_sel */ + .num = 3, + .pin = 9, + .reg = 0x44, + .bit = 2, + .mask = 0x3 + }, { + /* gpio3_b2_sel */ + .num = 3, + .pin = 10, + .reg = 0x44, + .bit = 4, + .mask = 0x3 + }, { + /* gpio3_b3_sel */ + .num = 3, + .pin = 11, + .reg = 0x44, + .bit = 6, + .mask = 0x3 + }, { + /* gpio3_b4_sel */ + .num = 3, + .pin = 12, + .reg = 0x44, + .bit = 8, + .mask = 0x3 + }, { + /* gpio3_b5_sel */ + .num = 3, + .pin = 13, + .reg = 0x44, + .bit = 10, + .mask = 0x3 + }, { + /* gpio3_b6_sel */ + .num = 3, + .pin = 14, + .reg = 0x44, + .bit = 12, + .mask = 0x3 + }, { + /* gpio3_b7_sel */ + .num = 3, + .pin = 15, + .reg = 0x44, + .bit = 14, + .mask = 0x3 }, }; @@ -703,9 +748,8 @@ static struct rockchip_mux_route_data rk3308_mux_route_data[] = { RK_MUXROUTE_SAME(0, RK_PC3, 1, 0x314, BIT(16 + 0) | BIT(0)), /* rtc_clk */ RK_MUXROUTE_SAME(1, RK_PC6, 2, 0x314, BIT(16 + 2) | BIT(16 + 3)), /* uart2_rxm0 */ RK_MUXROUTE_SAME(4, RK_PD2, 2, 0x314, BIT(16 + 2) | BIT(16 + 3) | BIT(2)), /* uart2_rxm1 */ - RK_MUXROUTE_SAME(0, RK_PB7, 2, 0x608, BIT(16 + 8) | BIT(16 + 9)), /* i2c3_sdam0 */ - RK_MUXROUTE_SAME(3, RK_PB4, 2, 0x608, BIT(16 + 8) | BIT(16 + 9) | BIT(8)), /* i2c3_sdam1 */ - RK_MUXROUTE_SAME(2, RK_PA0, 3, 0x608, BIT(16 + 8) | BIT(16 + 9) | BIT(9)), /* i2c3_sdam2 */ + RK_MUXROUTE_SAME(0, RK_PB7, 2, 0x314, BIT(16 + 4)), /* i2c3_sdam0 */ + RK_MUXROUTE_SAME(3, RK_PB4, 2, 0x314, BIT(16 + 4) | BIT(4)), /* i2c3_sdam1 */ RK_MUXROUTE_SAME(1, RK_PA3, 2, 0x308, BIT(16 + 3)), /* i2s-8ch-1-sclktxm0 */ RK_MUXROUTE_SAME(1, RK_PA4, 2, 0x308, BIT(16 + 3)), /* i2s-8ch-1-sclkrxm0 */ RK_MUXROUTE_SAME(1, RK_PB5, 2, 0x308, BIT(16 + 3) | BIT(3)), /* i2s-8ch-1-sclktxm1 */ @@ -714,18 +758,6 @@ static struct rockchip_mux_route_data rk3308_mux_route_data[] = { RK_MUXROUTE_SAME(1, RK_PB6, 4, 0x308, BIT(16 + 12) | BIT(16 + 13) | BIT(12)), /* pdm-clkm1 */ RK_MUXROUTE_SAME(2, RK_PA6, 2, 0x308, BIT(16 + 12) | BIT(16 + 13) | BIT(13)), /* pdm-clkm2 */ RK_MUXROUTE_SAME(2, RK_PA4, 3, 0x600, BIT(16 + 2) | BIT(2)), /* pdm-clkm-m2 */ - RK_MUXROUTE_SAME(3, RK_PB2, 3, 0x314, BIT(16 + 9)), /* spi1_miso */ - RK_MUXROUTE_SAME(2, RK_PA4, 2, 0x314, BIT(16 + 9) | BIT(9)), /* spi1_miso_m1 */ - RK_MUXROUTE_SAME(0, RK_PB3, 3, 0x314, BIT(16 + 10) | BIT(16 + 11)), /* owire_m0 */ - RK_MUXROUTE_SAME(1, RK_PC6, 7, 0x314, BIT(16 + 10) | BIT(16 + 11) | BIT(10)), /* owire_m1 */ - RK_MUXROUTE_SAME(2, RK_PA2, 5, 0x314, BIT(16 + 10) | BIT(16 + 11) | BIT(11)), /* owire_m2 */ - RK_MUXROUTE_SAME(0, RK_PB3, 2, 0x314, BIT(16 + 12) | BIT(16 + 13)), /* can_rxd_m0 */ - RK_MUXROUTE_SAME(1, RK_PC6, 5, 0x314, BIT(16 + 12) | BIT(16 + 13) | BIT(12)), /* can_rxd_m1 */ - RK_MUXROUTE_SAME(2, RK_PA2, 4, 0x314, BIT(16 + 12) | BIT(16 + 13) | BIT(13)), /* can_rxd_m2 */ - RK_MUXROUTE_SAME(1, RK_PC4, 3, 0x314, BIT(16 + 14)), /* mac_rxd0_m0 */ - RK_MUXROUTE_SAME(4, RK_PA2, 2, 0x314, BIT(16 + 14) | BIT(14)), /* mac_rxd0_m1 */ - RK_MUXROUTE_SAME(3, RK_PB4, 4, 0x314, BIT(16 + 15)), /* uart3_rx */ - RK_MUXROUTE_SAME(0, RK_PC1, 3, 0x314, BIT(16 + 15) | BIT(15)), /* uart3_rx_m1 */ }; static struct rockchip_mux_route_data rk3328_mux_route_data[] = { @@ -1891,6 +1923,7 @@ static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num) case RK3188: case RK3288: case RK3308: + case RK3328: case RK3368: case RK3399: case RK3568: @@ -1947,6 +1980,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, case RK3188: case RK3288: case RK3308: + case RK3328: case RK3368: case RK3399: case RK3568: @@ -2159,8 +2193,10 @@ static int rockchip_pmx_set(struct pinctrl_dev *pctldev, unsigned selector, if (ret) { /* revert the already done pin settings */ - for (cnt--; cnt >= 0; cnt--) + for (cnt--; cnt >= 0; cnt--) { + bank = pin_to_bank(info, pins[cnt]); rockchip_set_mux(bank, pins[cnt] - bank->pin_base, 0); + } return ret; } @@ -2207,6 +2243,7 @@ static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl, case RK3188: case RK3288: case RK3308: + case RK3328: case RK3368: case RK3399: case RK3568: @@ -3181,7 +3218,7 @@ static struct rockchip_pin_bank rk3328_pin_banks[] = { PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", 0, 0, 0, 0), PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0), PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, - IOMUX_WIDTH_3BIT, + IOMUX_WIDTH_2BIT, IOMUX_WIDTH_3BIT, 0), PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", @@ -3195,7 +3232,7 @@ static struct rockchip_pin_ctrl rk3328_pin_ctrl = { .pin_banks = rk3328_pin_banks, .nr_banks = ARRAY_SIZE(rk3328_pin_banks), .label = "RK3328-GPIO", - .type = RK3288, + .type = RK3328, .grf_mux_offset = 0x0, .iomux_recalced = rk3328_mux_recalced_data, .niomux_recalced = ARRAY_SIZE(rk3328_mux_recalced_data), diff --git a/drivers/pinctrl/pinctrl-rockchip.h b/drivers/pinctrl/pinctrl-rockchip.h index 59116e1375..d4a6e1276b 100644 --- a/drivers/pinctrl/pinctrl-rockchip.h +++ b/drivers/pinctrl/pinctrl-rockchip.h @@ -27,6 +27,7 @@ enum rockchip_pinctrl_type { RK3188, RK3288, RK3308, + RK3328, RK3368, RK3399, RK3568, diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 9ad8f70206..28f3fabc72 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -350,6 +350,8 @@ static int pcs_get_function(struct pinctrl_dev *pctldev, unsigned pin, return -ENOTSUPP; fselector = setting->func; function = pinmux_generic_get_function(pctldev, fselector); + if (!function) + return -EINVAL; *func = function->data; if (!(*func)) { dev_err(pcs->dev, "%s could not find function%i\n", @@ -1328,7 +1330,6 @@ static void pcs_irq_free(struct pcs_device *pcs) static void pcs_free_resources(struct pcs_device *pcs) { pcs_irq_free(pcs); - pinctrl_unregister(pcs->pctl); #if IS_BUILTIN(CONFIG_PINCTRL_SINGLE) if (pcs->missing_nr_pinctrl_cells) @@ -1885,7 +1886,7 @@ static int pcs_probe(struct platform_device *pdev) if (ret < 0) goto free; - ret = pinctrl_register_and_init(&pcs->desc, pcs->dev, pcs, &pcs->pctl); + ret = devm_pinctrl_register_and_init(pcs->dev, &pcs->desc, pcs, &pcs->pctl); if (ret) { dev_err(pcs->dev, "could not register single pinctrl driver\n"); goto free; @@ -1918,8 +1919,11 @@ static int pcs_probe(struct platform_device *pdev) dev_info(pcs->dev, "%i pins, size %u\n", pcs->desc.npins, pcs->size); - return pinctrl_enable(pcs->pctl); + ret = pinctrl_enable(pcs->pctl); + if (ret) + goto free; + return 0; free: pcs_free_resources(pcs); diff --git a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c index 4e2382778d..f3411e3eaf 100644 --- a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c +++ b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c @@ -883,7 +883,7 @@ static int ti_iodelay_probe(struct platform_device *pdev) iod->desc.name = dev_name(dev); iod->desc.owner = THIS_MODULE; - ret = pinctrl_register_and_init(&iod->desc, dev, iod, &iod->pctl); + ret = devm_pinctrl_register_and_init(dev, &iod->desc, iod, &iod->pctl); if (ret) { dev_err(dev, "Failed to register pinctrl\n"); goto exit_out; @@ -891,7 +891,11 @@ static int ti_iodelay_probe(struct platform_device *pdev) platform_set_drvdata(pdev, iod); - return pinctrl_enable(iod->pctl); + ret = pinctrl_enable(iod->pctl); + if (ret) + goto exit_out; + + return 0; exit_out: of_node_put(np); @@ -908,12 +912,6 @@ static int ti_iodelay_remove(struct platform_device *pdev) { struct ti_iodelay_device *iod = platform_get_drvdata(pdev); - if (!iod) - return 0; - - if (iod->pctl) - pinctrl_unregister(iod->pctl); - ti_iodelay_pinconf_deinit_dev(iod); /* Expect other allocations to be freed by devm */ diff --git a/drivers/platform/chrome/cros_ec_debugfs.c b/drivers/platform/chrome/cros_ec_debugfs.c index 0dbceee87a..2928c3cb37 100644 --- a/drivers/platform/chrome/cros_ec_debugfs.c +++ b/drivers/platform/chrome/cros_ec_debugfs.c @@ -326,6 +326,7 @@ static int ec_read_version_supported(struct cros_ec_dev *ec) if (!msg) return 0; + msg->version = 1; msg->command = EC_CMD_GET_CMD_VERSIONS + ec->cmd_offset; msg->outsize = sizeof(*params); msg->insize = sizeof(*response); diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c index 9d1f431bdc..818a02c84f 100644 --- a/drivers/platform/chrome/cros_ec_proto.c +++ b/drivers/platform/chrome/cros_ec_proto.c @@ -780,9 +780,11 @@ int cros_ec_get_next_event(struct cros_ec_device *ec_dev, if (ret == -ENOPROTOOPT) { dev_dbg(ec_dev->dev, "GET_NEXT_EVENT returned invalid version error.\n"); + mutex_lock(&ec_dev->lock); ret = cros_ec_get_host_command_version_mask(ec_dev, EC_CMD_GET_NEXT_EVENT, &ver_mask); + mutex_unlock(&ec_dev->lock); if (ret < 0 || ver_mask == 0) /* * Do not change the MKBP supported version if we can't diff --git a/drivers/platform/mips/cpu_hwmon.c b/drivers/platform/mips/cpu_hwmon.c index d8c5f9195f..2ac2f31090 100644 --- a/drivers/platform/mips/cpu_hwmon.c +++ b/drivers/platform/mips/cpu_hwmon.c @@ -139,6 +139,9 @@ static int __init loongson_hwmon_init(void) csr_temp_enable = csr_readl(LOONGSON_CSR_FEATURES) & LOONGSON_CSRF_TEMP; + if (!csr_temp_enable && !loongson_chiptemp[0]) + return -ENODEV; + nr_packages = loongson_sysconf.nr_cpus / loongson_sysconf.cores_per_package; diff --git a/drivers/platform/surface/aggregator/controller.c b/drivers/platform/surface/aggregator/controller.c index 5542b76889..cc78687d68 100644 --- a/drivers/platform/surface/aggregator/controller.c +++ b/drivers/platform/surface/aggregator/controller.c @@ -1354,7 +1354,8 @@ void ssam_controller_destroy(struct ssam_controller *ctrl) if (ctrl->state == SSAM_CONTROLLER_UNINITIALIZED) return; - WARN_ON(ctrl->state != SSAM_CONTROLLER_STOPPED); + WARN_ON(ctrl->state != SSAM_CONTROLLER_STOPPED && + ctrl->state != SSAM_CONTROLLER_INITIALIZED); /* * Note: New events could still have been received after the previous diff --git a/drivers/platform/surface/surface_aggregator_registry.c b/drivers/platform/surface/surface_aggregator_registry.c index 5c0451c56e..04dd212f73 100644 --- a/drivers/platform/surface/surface_aggregator_registry.c +++ b/drivers/platform/surface/surface_aggregator_registry.c @@ -561,6 +561,9 @@ static const struct acpi_device_id ssam_platform_hub_match[] = { /* Surface Laptop Go 2 */ { "MSHW0290", (unsigned long)ssam_node_group_slg1 }, + /* Surface Laptop Go 3 */ + { "MSHW0440", (unsigned long)ssam_node_group_slg1 }, + /* Surface Laptop Studio */ { "MSHW0123", (unsigned long)ssam_node_group_sls }, diff --git a/drivers/platform/x86/dell/dell-smbios-base.c b/drivers/platform/x86/dell/dell-smbios-base.c index fc086b66f7..b19c5ff31a 100644 --- a/drivers/platform/x86/dell/dell-smbios-base.c +++ b/drivers/platform/x86/dell/dell-smbios-base.c @@ -25,11 +25,16 @@ static u32 da_supported_commands; static int da_num_tokens; static struct platform_device *platform_device; static struct calling_interface_token *da_tokens; -static struct device_attribute *token_location_attrs; -static struct device_attribute *token_value_attrs; +static struct token_sysfs_data *token_entries; static struct attribute **token_attrs; static DEFINE_MUTEX(smbios_mutex); +struct token_sysfs_data { + struct device_attribute location_attr; + struct device_attribute value_attr; + struct calling_interface_token *token; +}; + struct smbios_device { struct list_head list; struct device *device; @@ -416,47 +421,26 @@ static void __init find_tokens(const struct dmi_header *dm, void *dummy) } } -static int match_attribute(struct device *dev, - struct device_attribute *attr) -{ - int i; - - for (i = 0; i < da_num_tokens * 2; i++) { - if (!token_attrs[i]) - continue; - if (strcmp(token_attrs[i]->name, attr->attr.name) == 0) - return i/2; - } - dev_dbg(dev, "couldn't match: %s\n", attr->attr.name); - return -EINVAL; -} - static ssize_t location_show(struct device *dev, struct device_attribute *attr, char *buf) { - int i; + struct token_sysfs_data *data = container_of(attr, struct token_sysfs_data, location_attr); if (!capable(CAP_SYS_ADMIN)) return -EPERM; - i = match_attribute(dev, attr); - if (i > 0) - return scnprintf(buf, PAGE_SIZE, "%08x", da_tokens[i].location); - return 0; + return sysfs_emit(buf, "%08x", data->token->location); } static ssize_t value_show(struct device *dev, struct device_attribute *attr, char *buf) { - int i; + struct token_sysfs_data *data = container_of(attr, struct token_sysfs_data, value_attr); if (!capable(CAP_SYS_ADMIN)) return -EPERM; - i = match_attribute(dev, attr); - if (i > 0) - return scnprintf(buf, PAGE_SIZE, "%08x", da_tokens[i].value); - return 0; + return sysfs_emit(buf, "%08x", data->token->value); } static struct attribute_group smbios_attribute_group = { @@ -473,22 +457,15 @@ static int build_tokens_sysfs(struct platform_device *dev) { char *location_name; char *value_name; - size_t size; int ret; int i, j; - /* (number of tokens + 1 for null terminated */ - size = sizeof(struct device_attribute) * (da_num_tokens + 1); - token_location_attrs = kzalloc(size, GFP_KERNEL); - if (!token_location_attrs) + token_entries = kcalloc(da_num_tokens, sizeof(*token_entries), GFP_KERNEL); + if (!token_entries) return -ENOMEM; - token_value_attrs = kzalloc(size, GFP_KERNEL); - if (!token_value_attrs) - goto out_allocate_value; /* need to store both location and value + terminator*/ - size = sizeof(struct attribute *) * ((2 * da_num_tokens) + 1); - token_attrs = kzalloc(size, GFP_KERNEL); + token_attrs = kcalloc((2 * da_num_tokens) + 1, sizeof(*token_attrs), GFP_KERNEL); if (!token_attrs) goto out_allocate_attrs; @@ -496,27 +473,32 @@ static int build_tokens_sysfs(struct platform_device *dev) /* skip empty */ if (da_tokens[i].tokenID == 0) continue; + + token_entries[i].token = &da_tokens[i]; + /* add location */ location_name = kasprintf(GFP_KERNEL, "%04x_location", da_tokens[i].tokenID); if (location_name == NULL) goto out_unwind_strings; - sysfs_attr_init(&token_location_attrs[i].attr); - token_location_attrs[i].attr.name = location_name; - token_location_attrs[i].attr.mode = 0444; - token_location_attrs[i].show = location_show; - token_attrs[j++] = &token_location_attrs[i].attr; + + sysfs_attr_init(&token_entries[i].location_attr.attr); + token_entries[i].location_attr.attr.name = location_name; + token_entries[i].location_attr.attr.mode = 0444; + token_entries[i].location_attr.show = location_show; + token_attrs[j++] = &token_entries[i].location_attr.attr; /* add value */ value_name = kasprintf(GFP_KERNEL, "%04x_value", da_tokens[i].tokenID); if (value_name == NULL) goto loop_fail_create_value; - sysfs_attr_init(&token_value_attrs[i].attr); - token_value_attrs[i].attr.name = value_name; - token_value_attrs[i].attr.mode = 0444; - token_value_attrs[i].show = value_show; - token_attrs[j++] = &token_value_attrs[i].attr; + + sysfs_attr_init(&token_entries[i].value_attr.attr); + token_entries[i].value_attr.attr.name = value_name; + token_entries[i].value_attr.attr.mode = 0444; + token_entries[i].value_attr.show = value_show; + token_attrs[j++] = &token_entries[i].value_attr.attr; continue; loop_fail_create_value: @@ -532,14 +514,12 @@ static int build_tokens_sysfs(struct platform_device *dev) out_unwind_strings: while (i--) { - kfree(token_location_attrs[i].attr.name); - kfree(token_value_attrs[i].attr.name); + kfree(token_entries[i].location_attr.attr.name); + kfree(token_entries[i].value_attr.attr.name); } kfree(token_attrs); out_allocate_attrs: - kfree(token_value_attrs); -out_allocate_value: - kfree(token_location_attrs); + kfree(token_entries); return -ENOMEM; } @@ -551,12 +531,11 @@ static void free_group(struct platform_device *pdev) sysfs_remove_group(&pdev->dev.kobj, &smbios_attribute_group); for (i = 0; i < da_num_tokens; i++) { - kfree(token_location_attrs[i].attr.name); - kfree(token_value_attrs[i].attr.name); + kfree(token_entries[i].location_attr.attr.name); + kfree(token_entries[i].value_attr.attr.name); } kfree(token_attrs); - kfree(token_value_attrs); - kfree(token_location_attrs); + kfree(token_entries); } static int __init dell_smbios_init(void) @@ -610,7 +589,10 @@ static int __init dell_smbios_init(void) return 0; fail_sysfs: - free_group(platform_device); + if (!wmi) + exit_dell_smbios_wmi(); + if (!smm) + exit_dell_smbios_smm(); fail_create_group: platform_device_del(platform_device); diff --git a/drivers/platform/x86/dell/dell-wmi-base.c b/drivers/platform/x86/dell/dell-wmi-base.c index b83d6fa6e3..b12e6ebd10 100644 --- a/drivers/platform/x86/dell/dell-wmi-base.c +++ b/drivers/platform/x86/dell/dell-wmi-base.c @@ -263,6 +263,15 @@ static const struct key_entry dell_wmi_keymap_type_0010[] = { /*Speaker Mute*/ { KE_KEY, 0x109, { KEY_MUTE} }, + /* S2Idle screen off */ + { KE_IGNORE, 0x120, { KEY_RESERVED }}, + + /* Leaving S4 or S2Idle suspend */ + { KE_IGNORE, 0x130, { KEY_RESERVED }}, + + /* Entering S2Idle suspend */ + { KE_IGNORE, 0x140, { KEY_RESERVED }}, + /* Mic mute */ { KE_KEY, 0x150, { KEY_MICMUTE } }, diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c b/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c index 907fde53e9..47f8c5a633 100644 --- a/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c +++ b/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c @@ -524,6 +524,7 @@ static int __init sysman_init(void) int ret = 0; if (!dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Dell System", NULL) && + !dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Alienware", NULL) && !dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "www.dell.com", NULL)) { pr_err("Unable to run on non-Dell system\n"); return -ENODEV; diff --git a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c index f6b32d31c5..380e36953e 100644 --- a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c +++ b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c @@ -306,7 +306,9 @@ static struct pci_dev *_isst_if_get_pci_dev(int cpu, int bus_no, int dev, int fn cpu >= nr_cpu_ids || cpu >= num_possible_cpus()) return NULL; - pkg_id = topology_physical_package_id(cpu); + pkg_id = topology_logical_package_id(cpu); + if (pkg_id >= topology_max_packages()) + return NULL; bus_number = isst_cpu_info[cpu].bus_info[bus_no]; if (bus_number < 0) diff --git a/drivers/platform/x86/lg-laptop.c b/drivers/platform/x86/lg-laptop.c index 88b551caea..b374b0c7c6 100644 --- a/drivers/platform/x86/lg-laptop.c +++ b/drivers/platform/x86/lg-laptop.c @@ -37,8 +37,6 @@ MODULE_LICENSE("GPL"); #define WMI_METHOD_WMBB "2B4F501A-BD3C-4394-8DCF-00A7D2BC8210" #define WMI_EVENT_GUID WMI_EVENT_GUID0 -#define WMAB_METHOD "\\XINI.WMAB" -#define WMBB_METHOD "\\XINI.WMBB" #define SB_GGOV_METHOD "\\_SB.GGOV" #define GOV_TLED 0x2020008 #define WM_GET 1 @@ -73,7 +71,7 @@ static u32 inited; static int battery_limit_use_wmbb; static struct led_classdev kbd_backlight; -static enum led_brightness get_kbd_backlight_level(void); +static enum led_brightness get_kbd_backlight_level(struct device *dev); static const struct key_entry wmi_keymap[] = { {KE_KEY, 0x70, {KEY_F15} }, /* LG control panel (F1) */ @@ -83,7 +81,6 @@ static const struct key_entry wmi_keymap[] = { * this key both sends an event and * changes backlight level. */ - {KE_KEY, 0x80, {KEY_RFKILL} }, {KE_END, 0} }; @@ -127,11 +124,10 @@ static int ggov(u32 arg0) return res; } -static union acpi_object *lg_wmab(u32 method, u32 arg1, u32 arg2) +static union acpi_object *lg_wmab(struct device *dev, u32 method, u32 arg1, u32 arg2) { union acpi_object args[3]; acpi_status status; - acpi_handle handle; struct acpi_object_list arg; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; @@ -142,29 +138,22 @@ static union acpi_object *lg_wmab(u32 method, u32 arg1, u32 arg2) args[2].type = ACPI_TYPE_INTEGER; args[2].integer.value = arg2; - status = acpi_get_handle(NULL, (acpi_string) WMAB_METHOD, &handle); - if (ACPI_FAILURE(status)) { - pr_err("Cannot get handle"); - return NULL; - } - arg.count = 3; arg.pointer = args; - status = acpi_evaluate_object(handle, NULL, &arg, &buffer); + status = acpi_evaluate_object(ACPI_HANDLE(dev), "WMAB", &arg, &buffer); if (ACPI_FAILURE(status)) { - acpi_handle_err(handle, "WMAB: call failed.\n"); + dev_err(dev, "WMAB: call failed.\n"); return NULL; } return buffer.pointer; } -static union acpi_object *lg_wmbb(u32 method_id, u32 arg1, u32 arg2) +static union acpi_object *lg_wmbb(struct device *dev, u32 method_id, u32 arg1, u32 arg2) { union acpi_object args[3]; acpi_status status; - acpi_handle handle; struct acpi_object_list arg; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; u8 buf[32]; @@ -180,18 +169,12 @@ static union acpi_object *lg_wmbb(u32 method_id, u32 arg1, u32 arg2) args[2].buffer.length = 32; args[2].buffer.pointer = buf; - status = acpi_get_handle(NULL, (acpi_string)WMBB_METHOD, &handle); - if (ACPI_FAILURE(status)) { - pr_err("Cannot get handle"); - return NULL; - } - arg.count = 3; arg.pointer = args; - status = acpi_evaluate_object(handle, NULL, &arg, &buffer); + status = acpi_evaluate_object(ACPI_HANDLE(dev), "WMBB", &arg, &buffer); if (ACPI_FAILURE(status)) { - acpi_handle_err(handle, "WMAB: call failed.\n"); + dev_err(dev, "WMBB: call failed.\n"); return NULL; } @@ -222,7 +205,7 @@ static void wmi_notify(u32 value, void *context) if (eventcode == 0x10000000) { led_classdev_notify_brightness_hw_changed( - &kbd_backlight, get_kbd_backlight_level()); + &kbd_backlight, get_kbd_backlight_level(kbd_backlight.dev->parent)); } else { key = sparse_keymap_entry_from_scancode( wmi_input_dev, eventcode); @@ -271,14 +254,7 @@ static void wmi_input_setup(void) static void acpi_notify(struct acpi_device *device, u32 event) { - struct key_entry *key; - acpi_handle_debug(device->handle, "notify: %d\n", event); - if (inited & INIT_SPARSE_KEYMAP) { - key = sparse_keymap_entry_from_scancode(wmi_input_dev, 0x80); - if (key && key->type == KE_KEY) - sparse_keymap_report_entry(wmi_input_dev, key, 1, true); - } } static ssize_t fan_mode_store(struct device *dev, @@ -294,7 +270,7 @@ static ssize_t fan_mode_store(struct device *dev, if (ret) return ret; - r = lg_wmab(WM_FAN_MODE, WM_GET, 0); + r = lg_wmab(dev, WM_FAN_MODE, WM_GET, 0); if (!r) return -EIO; @@ -305,9 +281,9 @@ static ssize_t fan_mode_store(struct device *dev, m = r->integer.value; kfree(r); - r = lg_wmab(WM_FAN_MODE, WM_SET, (m & 0xffffff0f) | (value << 4)); + r = lg_wmab(dev, WM_FAN_MODE, WM_SET, (m & 0xffffff0f) | (value << 4)); kfree(r); - r = lg_wmab(WM_FAN_MODE, WM_SET, (m & 0xfffffff0) | value); + r = lg_wmab(dev, WM_FAN_MODE, WM_SET, (m & 0xfffffff0) | value); kfree(r); return count; @@ -319,7 +295,7 @@ static ssize_t fan_mode_show(struct device *dev, unsigned int status; union acpi_object *r; - r = lg_wmab(WM_FAN_MODE, WM_GET, 0); + r = lg_wmab(dev, WM_FAN_MODE, WM_GET, 0); if (!r) return -EIO; @@ -346,7 +322,7 @@ static ssize_t usb_charge_store(struct device *dev, if (ret) return ret; - r = lg_wmbb(WMBB_USB_CHARGE, WM_SET, value); + r = lg_wmbb(dev, WMBB_USB_CHARGE, WM_SET, value); if (!r) return -EIO; @@ -360,7 +336,7 @@ static ssize_t usb_charge_show(struct device *dev, unsigned int status; union acpi_object *r; - r = lg_wmbb(WMBB_USB_CHARGE, WM_GET, 0); + r = lg_wmbb(dev, WMBB_USB_CHARGE, WM_GET, 0); if (!r) return -EIO; @@ -388,7 +364,7 @@ static ssize_t reader_mode_store(struct device *dev, if (ret) return ret; - r = lg_wmab(WM_READER_MODE, WM_SET, value); + r = lg_wmab(dev, WM_READER_MODE, WM_SET, value); if (!r) return -EIO; @@ -402,7 +378,7 @@ static ssize_t reader_mode_show(struct device *dev, unsigned int status; union acpi_object *r; - r = lg_wmab(WM_READER_MODE, WM_GET, 0); + r = lg_wmab(dev, WM_READER_MODE, WM_GET, 0); if (!r) return -EIO; @@ -430,7 +406,7 @@ static ssize_t fn_lock_store(struct device *dev, if (ret) return ret; - r = lg_wmab(WM_FN_LOCK, WM_SET, value); + r = lg_wmab(dev, WM_FN_LOCK, WM_SET, value); if (!r) return -EIO; @@ -444,7 +420,7 @@ static ssize_t fn_lock_show(struct device *dev, unsigned int status; union acpi_object *r; - r = lg_wmab(WM_FN_LOCK, WM_GET, 0); + r = lg_wmab(dev, WM_FN_LOCK, WM_GET, 0); if (!r) return -EIO; @@ -474,9 +450,9 @@ static ssize_t battery_care_limit_store(struct device *dev, union acpi_object *r; if (battery_limit_use_wmbb) - r = lg_wmbb(WMBB_BATT_LIMIT, WM_SET, value); + r = lg_wmbb(&pf_device->dev, WMBB_BATT_LIMIT, WM_SET, value); else - r = lg_wmab(WM_BATT_LIMIT, WM_SET, value); + r = lg_wmab(&pf_device->dev, WM_BATT_LIMIT, WM_SET, value); if (!r) return -EIO; @@ -495,7 +471,7 @@ static ssize_t battery_care_limit_show(struct device *dev, union acpi_object *r; if (battery_limit_use_wmbb) { - r = lg_wmbb(WMBB_BATT_LIMIT, WM_GET, 0); + r = lg_wmbb(&pf_device->dev, WMBB_BATT_LIMIT, WM_GET, 0); if (!r) return -EIO; @@ -506,7 +482,7 @@ static ssize_t battery_care_limit_show(struct device *dev, status = r->buffer.pointer[0x10]; } else { - r = lg_wmab(WM_BATT_LIMIT, WM_GET, 0); + r = lg_wmab(&pf_device->dev, WM_BATT_LIMIT, WM_GET, 0); if (!r) return -EIO; @@ -548,7 +524,7 @@ static void tpad_led_set(struct led_classdev *cdev, { union acpi_object *r; - r = lg_wmab(WM_TLED, WM_SET, brightness > LED_OFF); + r = lg_wmab(cdev->dev->parent, WM_TLED, WM_SET, brightness > LED_OFF); kfree(r); } @@ -570,16 +546,16 @@ static void kbd_backlight_set(struct led_classdev *cdev, val = 0; if (brightness >= LED_FULL) val = 0x24; - r = lg_wmab(WM_KEY_LIGHT, WM_SET, val); + r = lg_wmab(cdev->dev->parent, WM_KEY_LIGHT, WM_SET, val); kfree(r); } -static enum led_brightness get_kbd_backlight_level(void) +static enum led_brightness get_kbd_backlight_level(struct device *dev) { union acpi_object *r; int val; - r = lg_wmab(WM_KEY_LIGHT, WM_GET, 0); + r = lg_wmab(dev, WM_KEY_LIGHT, WM_GET, 0); if (!r) return LED_OFF; @@ -607,7 +583,7 @@ static enum led_brightness get_kbd_backlight_level(void) static enum led_brightness kbd_backlight_get(struct led_classdev *cdev) { - return get_kbd_backlight_level(); + return get_kbd_backlight_level(cdev->dev->parent); } static LED_DEVICE(kbd_backlight, 255, LED_BRIGHT_HW_CHANGED); @@ -634,6 +610,11 @@ static struct platform_driver pf_driver = { static int acpi_add(struct acpi_device *device) { + struct platform_device_info pdev_info = { + .fwnode = acpi_fwnode_handle(device), + .name = PLATFORM_NAME, + .id = PLATFORM_DEVID_NONE, + }; int ret; const char *product; int year = 2017; @@ -645,9 +626,7 @@ static int acpi_add(struct acpi_device *device) if (ret) return ret; - pf_device = platform_device_register_simple(PLATFORM_NAME, - PLATFORM_DEVID_NONE, - NULL, 0); + pf_device = platform_device_register_full(&pdev_info); if (IS_ERR(pf_device)) { ret = PTR_ERR(pf_device); pf_device = NULL; @@ -686,7 +665,7 @@ static int acpi_add(struct acpi_device *device) default: year = 2019; } - pr_info("product: %s year: %d\n", product, year); + pr_info("product: %s year: %d\n", product ?: "unknown", year); if (year >= 2019) battery_limit_use_wmbb = 1; @@ -726,7 +705,7 @@ static int acpi_remove(struct acpi_device *device) } static const struct acpi_device_id device_ids[] = { - {"LGEX0815", 0}, + {"LGEX0820", 0}, {"", 0} }; MODULE_DEVICE_TABLE(acpi, device_ids); diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c index 7ca49b3fc6..24d4c00877 100644 --- a/drivers/platform/x86/panasonic-laptop.c +++ b/drivers/platform/x86/panasonic-laptop.c @@ -337,7 +337,8 @@ static int acpi_pcc_retrieve_biosdata(struct pcc_acpi *pcc) } if (pcc->num_sifr < hkey->package.count) { - pr_err("SQTY reports bad SINF length\n"); + pr_err("SQTY reports bad SINF length SQTY: %lu SINF-pkg-count: %u\n", + pcc->num_sifr, hkey->package.count); status = AE_ERROR; goto end; } @@ -773,6 +774,24 @@ static DEVICE_ATTR_RW(dc_brightness); static DEVICE_ATTR_RW(current_brightness); static DEVICE_ATTR_RW(cdpower); +static umode_t pcc_sysfs_is_visible(struct kobject *kobj, struct attribute *attr, int idx) +{ + struct device *dev = kobj_to_dev(kobj); + struct acpi_device *acpi = to_acpi_device(dev); + struct pcc_acpi *pcc = acpi_driver_data(acpi); + + if (attr == &dev_attr_mute.attr) + return (pcc->num_sifr > SINF_MUTE) ? attr->mode : 0; + + if (attr == &dev_attr_eco_mode.attr) + return (pcc->num_sifr > SINF_ECO_MODE) ? attr->mode : 0; + + if (attr == &dev_attr_current_brightness.attr) + return (pcc->num_sifr > SINF_CUR_BRIGHT) ? attr->mode : 0; + + return attr->mode; +} + static struct attribute *pcc_sysfs_entries[] = { &dev_attr_numbatt.attr, &dev_attr_lcdtype.attr, @@ -787,8 +806,9 @@ static struct attribute *pcc_sysfs_entries[] = { }; static const struct attribute_group pcc_attr_group = { - .name = NULL, /* put in device directory */ - .attrs = pcc_sysfs_entries, + .name = NULL, /* put in device directory */ + .attrs = pcc_sysfs_entries, + .is_visible = pcc_sysfs_is_visible, }; @@ -941,12 +961,15 @@ static int acpi_pcc_hotkey_resume(struct device *dev) if (!pcc) return -EINVAL; - acpi_pcc_write_sset(pcc, SINF_MUTE, pcc->mute); - acpi_pcc_write_sset(pcc, SINF_ECO_MODE, pcc->eco_mode); + if (pcc->num_sifr > SINF_MUTE) + acpi_pcc_write_sset(pcc, SINF_MUTE, pcc->mute); + if (pcc->num_sifr > SINF_ECO_MODE) + acpi_pcc_write_sset(pcc, SINF_ECO_MODE, pcc->eco_mode); acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, pcc->sticky_key); acpi_pcc_write_sset(pcc, SINF_AC_CUR_BRIGHT, pcc->ac_brightness); acpi_pcc_write_sset(pcc, SINF_DC_CUR_BRIGHT, pcc->dc_brightness); - acpi_pcc_write_sset(pcc, SINF_CUR_BRIGHT, pcc->current_brightness); + if (pcc->num_sifr > SINF_CUR_BRIGHT) + acpi_pcc_write_sset(pcc, SINF_CUR_BRIGHT, pcc->current_brightness); return 0; } @@ -963,11 +986,21 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device) num_sifr = acpi_pcc_get_sqty(device); - if (num_sifr < 0 || num_sifr > 255) { - pr_err("num_sifr out of range"); + /* + * pcc->sinf is expected to at least have the AC+DC brightness entries. + * Accesses to higher SINF entries are checked against num_sifr. + */ + if (num_sifr <= SINF_DC_CUR_BRIGHT || num_sifr > 255) { + pr_err("num_sifr %d out of range %d - 255\n", num_sifr, SINF_DC_CUR_BRIGHT + 1); return -ENODEV; } + /* + * Some DSDT-s have an off-by-one bug where the SINF package count is + * one higher than the SQTY reported value, allocate 1 entry extra. + */ + num_sifr++; + pcc = kzalloc(sizeof(struct pcc_acpi), GFP_KERNEL); if (!pcc) { pr_err("Couldn't allocate mem for pcc"); @@ -1016,11 +1049,14 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device) acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, 0); pcc->sticky_key = 0; - pcc->eco_mode = pcc->sinf[SINF_ECO_MODE]; - pcc->mute = pcc->sinf[SINF_MUTE]; pcc->ac_brightness = pcc->sinf[SINF_AC_CUR_BRIGHT]; pcc->dc_brightness = pcc->sinf[SINF_DC_CUR_BRIGHT]; - pcc->current_brightness = pcc->sinf[SINF_CUR_BRIGHT]; + if (pcc->num_sifr > SINF_MUTE) + pcc->mute = pcc->sinf[SINF_MUTE]; + if (pcc->num_sifr > SINF_ECO_MODE) + pcc->eco_mode = pcc->sinf[SINF_ECO_MODE]; + if (pcc->num_sifr > SINF_CUR_BRIGHT) + pcc->current_brightness = pcc->sinf[SINF_CUR_BRIGHT]; /* add sysfs attributes */ result = sysfs_create_group(&device->dev.kobj, &pcc_attr_group); diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c index 161bd19441..b0b1f1b201 100644 --- a/drivers/platform/x86/touchscreen_dmi.c +++ b/drivers/platform/x86/touchscreen_dmi.c @@ -857,6 +857,21 @@ static const struct ts_dmi_data rwc_nanote_p8_data = { .properties = rwc_nanote_p8_props, }; +static const struct property_entry rwc_nanote_next_props[] = { + PROPERTY_ENTRY_U32("touchscreen-min-x", 5), + PROPERTY_ENTRY_U32("touchscreen-min-y", 5), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1785), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1145), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"), + PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-rwc-nanote-next.fw"), + { } +}; + +static const struct ts_dmi_data rwc_nanote_next_data = { + .acpi_name = "MSSL1680:00", + .properties = rwc_nanote_next_props, +}; + static const struct property_entry schneider_sct101ctm_props[] = { PROPERTY_ENTRY_U32("touchscreen-size-x", 1715), PROPERTY_ENTRY_U32("touchscreen-size-y", 1140), @@ -874,6 +889,22 @@ static const struct ts_dmi_data schneider_sct101ctm_data = { .properties = schneider_sct101ctm_props, }; +static const struct property_entry globalspace_solt_ivw116_props[] = { + PROPERTY_ENTRY_U32("touchscreen-min-x", 7), + PROPERTY_ENTRY_U32("touchscreen-min-y", 22), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1723), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1077), + PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-globalspace-solt-ivw116.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data globalspace_solt_ivw116_data = { + .acpi_name = "MSSL1680:00", + .properties = globalspace_solt_ivw116_props, +}; + static const struct property_entry techbite_arc_11_6_props[] = { PROPERTY_ENTRY_U32("touchscreen-min-x", 5), PROPERTY_ENTRY_U32("touchscreen-min-y", 7), @@ -1330,6 +1361,17 @@ const struct dmi_system_id touchscreen_dmi_table[] = { DMI_MATCH(DMI_BIOS_DATE, "04/24/2018"), }, }, + { + /* Jumper EZpad 6s Pro */ + .driver_data = (void *)&jumper_ezpad_6_pro_b_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Jumper"), + DMI_MATCH(DMI_PRODUCT_NAME, "Ezpad"), + /* Above matches are too generic, add bios match */ + DMI_MATCH(DMI_BIOS_VERSION, "E.WSA116_8.E1.042.bin"), + DMI_MATCH(DMI_BIOS_DATE, "01/08/2020"), + }, + }, { /* Jumper EZpad 6 m4 */ .driver_data = (void *)&jumper_ezpad_6_m4_data, @@ -1561,6 +1603,17 @@ const struct dmi_system_id touchscreen_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_SKU, "0001") }, }, + { + /* RWC NANOTE NEXT */ + .driver_data = (void *)&rwc_nanote_next_data, + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "To be filled by O.E.M."), + DMI_MATCH(DMI_BOARD_NAME, "To be filled by O.E.M."), + DMI_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), + /* Above matches are too generic, add bios-version match */ + DMI_MATCH(DMI_BIOS_VERSION, "S8A70R100-V005"), + }, + }, { /* Schneider SCT101CTM */ .driver_data = (void *)&schneider_sct101ctm_data, @@ -1569,6 +1622,15 @@ const struct dmi_system_id touchscreen_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "SCT101CTM"), }, }, + { + /* GlobalSpace SoLT IVW 11.6" */ + .driver_data = (void *)&globalspace_solt_ivw116_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Globalspace Tech Pvt Ltd"), + DMI_MATCH(DMI_PRODUCT_NAME, "SolTIVW"), + DMI_MATCH(DMI_PRODUCT_SKU, "PN20170413488"), + }, + }, { /* Techbite Arc 11.6 */ .driver_data = (void *)&techbite_arc_11_6_data, diff --git a/drivers/platform/x86/wireless-hotkey.c b/drivers/platform/x86/wireless-hotkey.c index 11c60a2734..61ae722643 100644 --- a/drivers/platform/x86/wireless-hotkey.c +++ b/drivers/platform/x86/wireless-hotkey.c @@ -19,6 +19,7 @@ MODULE_AUTHOR("Alex Hung"); MODULE_ALIAS("acpi*:HPQ6001:*"); MODULE_ALIAS("acpi*:WSTADEF:*"); MODULE_ALIAS("acpi*:AMDI0051:*"); +MODULE_ALIAS("acpi*:LGEX0815:*"); static struct input_dev *wl_input_dev; @@ -26,6 +27,7 @@ static const struct acpi_device_id wl_ids[] = { {"HPQ6001", 0}, {"WSTADEF", 0}, {"AMDI0051", 0}, + {"LGEX0815", 0}, {"", 0}, }; diff --git a/drivers/power/reset/brcmstb-reboot.c b/drivers/power/reset/brcmstb-reboot.c index 884b53c483..9f8b9e5cad 100644 --- a/drivers/power/reset/brcmstb-reboot.c +++ b/drivers/power/reset/brcmstb-reboot.c @@ -72,9 +72,6 @@ static int brcmstb_restart_handler(struct notifier_block *this, return NOTIFY_DONE; } - while (1) - ; - return NOTIFY_DONE; } diff --git a/drivers/power/supply/axp20x_battery.c b/drivers/power/supply/axp20x_battery.c index 335e12cc5e..d62a249f65 100644 --- a/drivers/power/supply/axp20x_battery.c +++ b/drivers/power/supply/axp20x_battery.c @@ -304,11 +304,11 @@ static int axp20x_battery_get_prop(struct power_supply *psy, val->intval = reg & AXP209_FG_PERCENT; break; - case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: + case POWER_SUPPLY_PROP_VOLTAGE_MAX: return axp20x_batt->data->get_max_voltage(axp20x_batt, &val->intval); - case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + case POWER_SUPPLY_PROP_VOLTAGE_MIN: ret = regmap_read(axp20x_batt->regmap, AXP20X_V_OFF, ®); if (ret) return ret; @@ -456,10 +456,10 @@ static int axp20x_battery_set_prop(struct power_supply *psy, struct axp20x_batt_ps *axp20x_batt = power_supply_get_drvdata(psy); switch (psp) { - case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + case POWER_SUPPLY_PROP_VOLTAGE_MIN: return axp20x_set_voltage_min_design(axp20x_batt, val->intval); - case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: + case POWER_SUPPLY_PROP_VOLTAGE_MAX: return axp20x_batt->data->set_max_voltage(axp20x_batt, val->intval); case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: @@ -494,8 +494,8 @@ static enum power_supply_property axp20x_battery_props[] = { POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT, POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX, POWER_SUPPLY_PROP_HEALTH, - POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, - POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_VOLTAGE_MAX, + POWER_SUPPLY_PROP_VOLTAGE_MIN, POWER_SUPPLY_PROP_CAPACITY, }; @@ -503,8 +503,8 @@ static int axp20x_battery_prop_writeable(struct power_supply *psy, enum power_supply_property psp) { return psp == POWER_SUPPLY_PROP_STATUS || - psp == POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN || - psp == POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN || + psp == POWER_SUPPLY_PROP_VOLTAGE_MIN || + psp == POWER_SUPPLY_PROP_VOLTAGE_MAX || psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT || psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX; } diff --git a/drivers/power/supply/axp288_charger.c b/drivers/power/supply/axp288_charger.c index 22378dad4d..012c8574ec 100644 --- a/drivers/power/supply/axp288_charger.c +++ b/drivers/power/supply/axp288_charger.c @@ -168,18 +168,18 @@ static inline int axp288_charger_set_cv(struct axp288_chrg_info *info, int cv) u8 reg_val; int ret; - if (cv <= CV_4100MV) { - reg_val = CHRG_CCCV_CV_4100MV; - cv = CV_4100MV; - } else if (cv <= CV_4150MV) { - reg_val = CHRG_CCCV_CV_4150MV; - cv = CV_4150MV; - } else if (cv <= CV_4200MV) { + if (cv >= CV_4350MV) { + reg_val = CHRG_CCCV_CV_4350MV; + cv = CV_4350MV; + } else if (cv >= CV_4200MV) { reg_val = CHRG_CCCV_CV_4200MV; cv = CV_4200MV; + } else if (cv >= CV_4150MV) { + reg_val = CHRG_CCCV_CV_4150MV; + cv = CV_4150MV; } else { - reg_val = CHRG_CCCV_CV_4350MV; - cv = CV_4350MV; + reg_val = CHRG_CCCV_CV_4100MV; + cv = CV_4100MV; } reg_val = reg_val << CHRG_CCCV_CV_BIT_POS; @@ -371,8 +371,8 @@ static int axp288_charger_usb_set_property(struct power_supply *psy, dev_warn(&info->pdev->dev, "set charge current failed\n"); break; case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: - scaled_val = min(val->intval, info->max_cv); - scaled_val = DIV_ROUND_CLOSEST(scaled_val, 1000); + scaled_val = DIV_ROUND_CLOSEST(val->intval, 1000); + scaled_val = min(scaled_val, info->max_cv); ret = axp288_charger_set_cv(info, scaled_val); if (ret < 0) dev_warn(&info->pdev->dev, "set charge voltage failed\n"); diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c index 90ac5e59a5..8a4729ee1a 100644 --- a/drivers/power/supply/bq24190_charger.c +++ b/drivers/power/supply/bq24190_charger.c @@ -1727,7 +1727,7 @@ static int bq24190_probe(struct i2c_client *client, bdi->client = client; bdi->dev = dev; - strncpy(bdi->model_name, id->name, I2C_NAME_SIZE); + strscpy(bdi->model_name, id->name, sizeof(bdi->model_name)); mutex_init(&bdi->f_reg_lock); bdi->f_reg = 0; bdi->ss_reg = BQ24190_REG_SS_VBUS_STAT_MASK; /* impossible state */ diff --git a/drivers/power/supply/cros_usbpd-charger.c b/drivers/power/supply/cros_usbpd-charger.c index 0a4f02e4ae..d7ee1eb9ca 100644 --- a/drivers/power/supply/cros_usbpd-charger.c +++ b/drivers/power/supply/cros_usbpd-charger.c @@ -5,6 +5,7 @@ * Copyright (c) 2014 - 2018 Google, Inc */ +#include #include #include #include @@ -711,16 +712,22 @@ static int cros_usbpd_charger_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(cros_usbpd_charger_pm_ops, NULL, cros_usbpd_charger_resume); +static const struct platform_device_id cros_usbpd_charger_id[] = { + { DRV_NAME, 0 }, + {} +}; +MODULE_DEVICE_TABLE(platform, cros_usbpd_charger_id); + static struct platform_driver cros_usbpd_charger_driver = { .driver = { .name = DRV_NAME, .pm = &cros_usbpd_charger_pm_ops, }, - .probe = cros_usbpd_charger_probe + .probe = cros_usbpd_charger_probe, + .id_table = cros_usbpd_charger_id, }; module_platform_driver(cros_usbpd_charger_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("ChromeOS EC USBPD charger"); -MODULE_ALIAS("platform:" DRV_NAME); diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c index aaf6f1bd3d..754d78b4c0 100644 --- a/drivers/power/supply/max17042_battery.c +++ b/drivers/power/supply/max17042_battery.c @@ -857,7 +857,10 @@ static void max17042_set_soc_threshold(struct max17042_chip *chip, u16 off) /* program interrupt thresholds such that we should * get interrupt for every 'off' perc change in the soc */ - regmap_read(map, MAX17042_RepSOC, &soc); + if (chip->pdata->enable_current_sense) + regmap_read(map, MAX17042_RepSOC, &soc); + else + regmap_read(map, MAX17042_VFSOC, &soc); soc >>= 8; soc_tr = (soc + off) << 8; if (off < soc) diff --git a/drivers/power/supply/power_supply_hwmon.c b/drivers/power/supply/power_supply_hwmon.c index bffe6d84c4..82111e3fd0 100644 --- a/drivers/power/supply/power_supply_hwmon.c +++ b/drivers/power/supply/power_supply_hwmon.c @@ -299,7 +299,8 @@ static const struct hwmon_channel_info *power_supply_hwmon_info[] = { HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MIN | - HWMON_T_MIN_ALARM, + HWMON_T_MIN_ALARM | + HWMON_T_MAX_ALARM, HWMON_T_LABEL | HWMON_T_INPUT | diff --git a/drivers/powercap/intel_rapl_msr.c b/drivers/powercap/intel_rapl_msr.c index c19e69e770..8435d53584 100644 --- a/drivers/powercap/intel_rapl_msr.c +++ b/drivers/powercap/intel_rapl_msr.c @@ -136,9 +136,9 @@ static int rapl_msr_write_raw(int cpu, struct reg_action *ra) /* List of verified CPUs. */ static const struct x86_cpu_id pl4_support_ids[] = { - { X86_VENDOR_INTEL, 6, INTEL_FAM6_TIGERLAKE_L, X86_FEATURE_ANY }, - { X86_VENDOR_INTEL, 6, INTEL_FAM6_ALDERLAKE, X86_FEATURE_ANY }, - { X86_VENDOR_INTEL, 6, INTEL_FAM6_ALDERLAKE_L, X86_FEATURE_ANY }, + X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, NULL), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, NULL), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, NULL), {} }; diff --git a/drivers/pps/clients/pps_parport.c b/drivers/pps/clients/pps_parport.c index 42f93d4c6e..53e9c304ae 100644 --- a/drivers/pps/clients/pps_parport.c +++ b/drivers/pps/clients/pps_parport.c @@ -148,7 +148,10 @@ static void parport_attach(struct parport *port) return; } - index = ida_simple_get(&pps_client_index, 0, 0, GFP_KERNEL); + index = ida_alloc(&pps_client_index, GFP_KERNEL); + if (index < 0) + goto err_free_device; + memset(&pps_client_cb, 0, sizeof(pps_client_cb)); pps_client_cb.private = device; pps_client_cb.irq_func = parport_irq; @@ -159,7 +162,7 @@ static void parport_attach(struct parport *port) index); if (!device->pardev) { pr_err("couldn't register with %s\n", port->name); - goto err_free; + goto err_free_ida; } if (parport_claim_or_block(device->pardev) < 0) { @@ -187,8 +190,9 @@ static void parport_attach(struct parport *port) parport_release(device->pardev); err_unregister_dev: parport_unregister_device(device->pardev); -err_free: - ida_simple_remove(&pps_client_index, index); +err_free_ida: + ida_free(&pps_client_index, index); +err_free_device: kfree(device); } @@ -208,7 +212,7 @@ static void parport_detach(struct parport *port) pps_unregister_source(device->pps); parport_release(pardev); parport_unregister_device(pardev); - ida_simple_remove(&pps_client_index, device->index); + ida_free(&pps_client_index, device->index); kfree(device); } diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c index 9311f3d09c..8eb902fe73 100644 --- a/drivers/ptp/ptp_chardev.c +++ b/drivers/ptp/ptp_chardev.c @@ -84,7 +84,8 @@ int ptp_set_pinfunc(struct ptp_clock *ptp, unsigned int pin, } if (info->verify(info, pin, func, chan)) { - pr_err("driver cannot use function %u on pin %u\n", func, chan); + pr_err("driver cannot use function %u and channel %u on pin %u\n", + func, chan, pin); return -EOPNOTSUPP; } diff --git a/drivers/ptp/ptp_sysfs.c b/drivers/ptp/ptp_sysfs.c index 0bdfdd4bb0..be58d5257b 100644 --- a/drivers/ptp/ptp_sysfs.c +++ b/drivers/ptp/ptp_sysfs.c @@ -280,8 +280,7 @@ static ssize_t max_vclocks_store(struct device *dev, if (max < ptp->n_vclocks) goto out; - size = sizeof(int) * max; - vclock_index = kzalloc(size, GFP_KERNEL); + vclock_index = kcalloc(max, sizeof(int), GFP_KERNEL); if (!vclock_index) { err = -ENOMEM; goto out; diff --git a/drivers/pwm/pwm-imx-tpm.c b/drivers/pwm/pwm-imx-tpm.c index 7a53bf5196..75ba8b1380 100644 --- a/drivers/pwm/pwm-imx-tpm.c +++ b/drivers/pwm/pwm-imx-tpm.c @@ -106,7 +106,9 @@ static int pwm_imx_tpm_round_state(struct pwm_chip *chip, p->prescale = prescale; period_count = (clock_unit + ((1 << prescale) >> 1)) >> prescale; - p->mod = period_count; + if (period_count == 0) + return -EINVAL; + p->mod = period_count - 1; /* calculate real period HW can support */ tmp = (u64)period_count << prescale; diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c index bdcdb7f383..2070d107c6 100644 --- a/drivers/pwm/pwm-stm32.c +++ b/drivers/pwm/pwm-stm32.c @@ -340,6 +340,9 @@ static int stm32_pwm_config(struct stm32_pwm *priv, int ch, prd = div; + if (!prd) + return -EINVAL; + if (prescaler > MAX_TIM_PSC) return -EINVAL; @@ -449,8 +452,9 @@ static int stm32_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, enabled = pwm->state.enabled; - if (enabled && !state->enabled) { - stm32_pwm_disable(priv, pwm->hwpwm); + if (!state->enabled) { + if (enabled) + stm32_pwm_disable(priv, pwm->hwpwm); return 0; } diff --git a/drivers/regulator/bd71815-regulator.c b/drivers/regulator/bd71815-regulator.c index 16edd9062c..5d468303f1 100644 --- a/drivers/regulator/bd71815-regulator.c +++ b/drivers/regulator/bd71815-regulator.c @@ -257,7 +257,7 @@ static int buck12_set_hw_dvs_levels(struct device_node *np, * 10: 2.50mV/usec 10mV 4uS * 11: 1.25mV/usec 10mV 8uS */ -static const unsigned int bd7181x_ramp_table[] = { 1250, 2500, 5000, 10000 }; +static const unsigned int bd7181x_ramp_table[] = { 10000, 5000, 2500, 1250 }; static int bd7181x_led_set_current_limit(struct regulator_dev *rdev, int min_uA, int max_uA) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index d6febb9ec6..879f4a77e9 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -3297,6 +3297,7 @@ struct regmap *regulator_get_regmap(struct regulator *regulator) return map ? map : ERR_PTR(-EOPNOTSUPP); } +EXPORT_SYMBOL_GPL(regulator_get_regmap); /** * regulator_get_hardware_vsel_register - get the HW voltage selector register diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index c4e1ad813e..107da44ab3 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -158,7 +158,7 @@ static const struct imx_rproc_att imx_rproc_att_imx8mq[] = { /* QSPI Code - alias */ { 0x08000000, 0x08000000, 0x08000000, 0 }, /* DDR (Code) - alias */ - { 0x10000000, 0x80000000, 0x0FFE0000, 0 }, + { 0x10000000, 0x40000000, 0x0FFE0000, 0 }, /* TCML */ { 0x1FFE0000, 0x007E0000, 0x00020000, ATT_OWN | ATT_IOMEM}, /* TCMU */ @@ -529,6 +529,17 @@ static struct resource_table *imx_rproc_get_loaded_rsc_table(struct rproc *rproc return (struct resource_table *)priv->rsc_table; } +static struct resource_table * +imx_rproc_elf_find_loaded_rsc_table(struct rproc *rproc, const struct firmware *fw) +{ + struct imx_rproc *priv = rproc->priv; + + if (priv->rsc_table) + return (struct resource_table *)priv->rsc_table; + + return rproc_elf_find_loaded_rsc_table(rproc, fw); +} + static const struct rproc_ops imx_rproc_ops = { .prepare = imx_rproc_prepare, .attach = imx_rproc_attach, @@ -538,7 +549,7 @@ static const struct rproc_ops imx_rproc_ops = { .da_to_va = imx_rproc_da_to_va, .load = rproc_elf_load_segments, .parse_fw = imx_rproc_parse_fw, - .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table, + .find_loaded_rsc_table = imx_rproc_elf_find_loaded_rsc_table, .get_loaded_rsc_table = imx_rproc_get_loaded_rsc_table, .sanity_check = rproc_elf_sanity_check, .get_boot_addr = rproc_elf_get_boot_addr, @@ -588,31 +599,37 @@ static int imx_rproc_addr_init(struct imx_rproc *priv, struct resource res; node = of_parse_phandle(np, "memory-region", a); + if (!node) + continue; /* Not map vdevbuffer, vdevring region */ if (!strncmp(node->name, "vdev", strlen("vdev"))) { of_node_put(node); continue; } err = of_address_to_resource(node, 0, &res); - of_node_put(node); if (err) { dev_err(dev, "unable to resolve memory region\n"); + of_node_put(node); return err; } - if (b >= IMX_RPROC_MEM_MAX) + if (b >= IMX_RPROC_MEM_MAX) { + of_node_put(node); break; + } /* Not use resource version, because we might share region */ priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev, res.start, resource_size(&res)); if (!priv->mem[b].cpu_addr) { dev_err(dev, "failed to remap %pr\n", &res); + of_node_put(node); return -ENOMEM; } priv->mem[b].sys_addr = res.start; priv->mem[b].size = resource_size(&res); if (!strcmp(node->name, "rsc-table")) priv->rsc_table = priv->mem[b].cpu_addr; + of_node_put(node); b++; } @@ -786,6 +803,8 @@ static int imx_rproc_probe(struct platform_device *pdev) goto err_put_rproc; } + INIT_WORK(&priv->rproc_work, imx_rproc_vq_work); + ret = imx_rproc_xtr_mbox_init(rproc); if (ret) goto err_put_wkq; @@ -804,8 +823,6 @@ static int imx_rproc_probe(struct platform_device *pdev) if (ret) goto err_put_mbox; - INIT_WORK(&priv->rproc_work, imx_rproc_vq_work); - if (rproc->state != RPROC_DETACHED) rproc->auto_boot = of_property_read_bool(np, "fsl,auto-boot"); diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c index 9a29285246..5f26d47284 100644 --- a/drivers/remoteproc/stm32_rproc.c +++ b/drivers/remoteproc/stm32_rproc.c @@ -293,7 +293,7 @@ static void stm32_rproc_mb_vq_work(struct work_struct *work) mutex_lock(&rproc->lock); - if (rproc->state != RPROC_RUNNING) + if (rproc->state != RPROC_RUNNING && rproc->state != RPROC_ATTACHED) goto unlock_mutex; if (rproc_vq_interrupt(rproc, mb->vq_id) == IRQ_NONE) diff --git a/drivers/reset/reset-berlin.c b/drivers/reset/reset-berlin.c index 2537ec05ec..578fe86708 100644 --- a/drivers/reset/reset-berlin.c +++ b/drivers/reset/reset-berlin.c @@ -68,13 +68,14 @@ static int berlin_reset_xlate(struct reset_controller_dev *rcdev, static int berlin2_reset_probe(struct platform_device *pdev) { - struct device_node *parent_np = of_get_parent(pdev->dev.of_node); + struct device_node *parent_np; struct berlin_reset_priv *priv; priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; + parent_np = of_get_parent(pdev->dev.of_node); priv->regmap = syscon_node_to_regmap(parent_np); of_node_put(parent_np); if (IS_ERR(priv->regmap)) diff --git a/drivers/reset/reset-k210.c b/drivers/reset/reset-k210.c index 1b6e03522b..b0f4546b2b 100644 --- a/drivers/reset/reset-k210.c +++ b/drivers/reset/reset-k210.c @@ -91,7 +91,7 @@ static const struct reset_control_ops k210_rst_ops = { static int k210_rst_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *parent_np = of_get_parent(dev->of_node); + struct device_node *parent_np; struct k210_rst *ksr; dev_info(dev, "K210 reset controller\n"); @@ -100,6 +100,7 @@ static int k210_rst_probe(struct platform_device *pdev) if (!ksr) return -ENOMEM; + parent_np = of_get_parent(dev->of_node); ksr->map = syscon_node_to_regmap(parent_np); of_node_put(parent_np); if (IS_ERR(ksr->map)) diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index f49ab45455..29c12947e7 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -274,10 +274,9 @@ int __rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) return err; /* full-function RTCs won't have such missing fields */ - if (rtc_valid_tm(&alarm->time) == 0) { - rtc_add_offset(rtc, &alarm->time); - return 0; - } + err = rtc_valid_tm(&alarm->time); + if (!err) + goto done; /* get the "after" timestamp, to detect wrapped fields */ err = rtc_read_time(rtc, &now); @@ -379,6 +378,8 @@ int __rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) if (err) dev_warn(&rtc->dev, "invalid alarm value: %ptR\n", &alarm->time); + else + rtc_add_offset(rtc, &alarm->time); return err; } diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c index b7b5ea1a4e..3d1244ea3c 100644 --- a/drivers/rtc/rtc-at91sam9.c +++ b/drivers/rtc/rtc-at91sam9.c @@ -368,6 +368,7 @@ static int at91_rtc_probe(struct platform_device *pdev) return ret; rtc->gpbr = syscon_node_to_regmap(args.np); + of_node_put(args.np); rtc->gpbr_offset = args.args[0]; if (IS_ERR(rtc->gpbr)) { dev_err(&pdev->dev, "failed to retrieve gpbr regmap, aborting.\n"); diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index 178ee55632..9f776c048a 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -643,11 +643,10 @@ static int cmos_nvram_read(void *priv, unsigned int off, void *val, size_t count) { unsigned char *buf = val; - int retval; off += NVRAM_OFFSET; spin_lock_irq(&rtc_lock); - for (retval = 0; count; count--, off++, retval++) { + for (; count; count--, off++) { if (off < 128) *buf++ = CMOS_READ(off); else if (can_bank2) @@ -657,7 +656,7 @@ static int cmos_nvram_read(void *priv, unsigned int off, void *val, } spin_unlock_irq(&rtc_lock); - return retval; + return count ? -EIO : 0; } static int cmos_nvram_write(void *priv, unsigned int off, void *val, @@ -665,7 +664,6 @@ static int cmos_nvram_write(void *priv, unsigned int off, void *val, { struct cmos_rtc *cmos = priv; unsigned char *buf = val; - int retval; /* NOTE: on at least PCs and Ataris, the boot firmware uses a * checksum on part of the NVRAM data. That's currently ignored @@ -674,7 +672,7 @@ static int cmos_nvram_write(void *priv, unsigned int off, void *val, */ off += NVRAM_OFFSET; spin_lock_irq(&rtc_lock); - for (retval = 0; count; count--, off++, retval++) { + for (; count; count--, off++) { /* don't trash RTC registers */ if (off == cmos->day_alrm || off == cmos->mon_alrm @@ -689,7 +687,7 @@ static int cmos_nvram_write(void *priv, unsigned int off, void *val, } spin_unlock_irq(&rtc_lock); - return retval; + return count ? -EIO : 0; } /*----------------------------------------------------------------*/ diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c index 182dfa6055..56043479b3 100644 --- a/drivers/rtc/rtc-isl1208.c +++ b/drivers/rtc/rtc-isl1208.c @@ -743,14 +743,13 @@ static int isl1208_nvmem_read(void *priv, unsigned int off, void *buf, { struct isl1208_state *isl1208 = priv; struct i2c_client *client = to_i2c_client(isl1208->rtc->dev.parent); - int ret; /* nvmem sanitizes offset/count for us, but count==0 is possible */ if (!count) return count; - ret = isl1208_i2c_read_regs(client, ISL1208_REG_USR1 + off, buf, + + return isl1208_i2c_read_regs(client, ISL1208_REG_USR1 + off, buf, count); - return ret == 0 ? count : ret; } static int isl1208_nvmem_write(void *priv, unsigned int off, void *buf, @@ -758,15 +757,13 @@ static int isl1208_nvmem_write(void *priv, unsigned int off, void *buf, { struct isl1208_state *isl1208 = priv; struct i2c_client *client = to_i2c_client(isl1208->rtc->dev.parent); - int ret; /* nvmem sanitizes off/count for us, but count==0 is possible */ if (!count) return count; - ret = isl1208_i2c_set_regs(client, ISL1208_REG_USR1 + off, buf, - count); - return ret == 0 ? count : ret; + return isl1208_i2c_set_regs(client, ISL1208_REG_USR1 + off, buf, + count); } static const struct nvmem_config isl1208_nvmem_config = { diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index fc33474271..f5e7929d1d 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1622,9 +1622,15 @@ static int dasd_ese_needs_format(struct dasd_block *block, struct irb *irb) if (!sense) return 0; - return !!(sense[1] & SNS1_NO_REC_FOUND) || - !!(sense[1] & SNS1_FILE_PROTECTED) || - scsw_cstat(&irb->scsw) == SCHN_STAT_INCORR_LEN; + if (sense[1] & SNS1_NO_REC_FOUND) + return 1; + + if ((sense[1] & SNS1_INV_TRACK_FORMAT) && + scsw_is_tm(&irb->scsw) && + !(sense[2] & SNS2_ENV_DATA_PRESENT)) + return 1; + + return 0; } static int dasd_ese_oos_cond(u8 *sense) @@ -1645,7 +1651,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, struct dasd_device *device; unsigned long now; int nrf_suppressed = 0; - int fp_suppressed = 0; + int it_suppressed = 0; struct request *req; u8 *sense = NULL; int expires; @@ -1700,8 +1706,9 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, */ sense = dasd_get_sense(irb); if (sense) { - fp_suppressed = (sense[1] & SNS1_FILE_PROTECTED) && - test_bit(DASD_CQR_SUPPRESS_FP, &cqr->flags); + it_suppressed = (sense[1] & SNS1_INV_TRACK_FORMAT) && + !(sense[2] & SNS2_ENV_DATA_PRESENT) && + test_bit(DASD_CQR_SUPPRESS_IT, &cqr->flags); nrf_suppressed = (sense[1] & SNS1_NO_REC_FOUND) && test_bit(DASD_CQR_SUPPRESS_NRF, &cqr->flags); @@ -1716,7 +1723,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, return; } } - if (!(fp_suppressed || nrf_suppressed)) + if (!(it_suppressed || nrf_suppressed)) device->discipline->dump_sense_dbf(device, irb, "int"); if (device->features & DASD_FEATURE_ERPLOG) @@ -2474,14 +2481,17 @@ static int _dasd_sleep_on_queue(struct list_head *ccw_queue, int interruptible) rc = 0; list_for_each_entry_safe(cqr, n, ccw_queue, blocklist) { /* - * In some cases the 'File Protected' or 'Incorrect Length' - * error might be expected and error recovery would be - * unnecessary in these cases. Check if the according suppress - * bit is set. + * In some cases certain errors might be expected and + * error recovery would be unnecessary in these cases. + * Check if the according suppress bit is set. */ sense = dasd_get_sense(&cqr->irb); - if (sense && sense[1] & SNS1_FILE_PROTECTED && - test_bit(DASD_CQR_SUPPRESS_FP, &cqr->flags)) + if (sense && (sense[1] & SNS1_INV_TRACK_FORMAT) && + !(sense[2] & SNS2_ENV_DATA_PRESENT) && + test_bit(DASD_CQR_SUPPRESS_IT, &cqr->flags)) + continue; + if (sense && (sense[1] & SNS1_NO_REC_FOUND) && + test_bit(DASD_CQR_SUPPRESS_NRF, &cqr->flags)) continue; if (scsw_cstat(&cqr->irb.scsw) == 0x40 && test_bit(DASD_CQR_SUPPRESS_IL, &cqr->flags)) diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c index c2d4ea74e0..845f088ce9 100644 --- a/drivers/s390/block/dasd_3990_erp.c +++ b/drivers/s390/block/dasd_3990_erp.c @@ -1401,14 +1401,8 @@ dasd_3990_erp_file_prot(struct dasd_ccw_req * erp) struct dasd_device *device = erp->startdev; - /* - * In some cases the 'File Protected' error might be expected and - * log messages shouldn't be written then. - * Check if the according suppress bit is set. - */ - if (!test_bit(DASD_CQR_SUPPRESS_FP, &erp->flags)) - dev_err(&device->cdev->dev, - "Accessing the DASD failed because of a hardware error\n"); + dev_err(&device->cdev->dev, + "Accessing the DASD failed because of a hardware error\n"); return dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED); diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 59b11950fb..f643f455c3 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -2301,6 +2301,7 @@ dasd_eckd_analysis_ccw(struct dasd_device *device) cqr->status = DASD_CQR_FILLED; /* Set flags to suppress output for expected errors */ set_bit(DASD_CQR_SUPPRESS_NRF, &cqr->flags); + set_bit(DASD_CQR_SUPPRESS_IT, &cqr->flags); return cqr; } @@ -2582,7 +2583,6 @@ dasd_eckd_build_check_tcw(struct dasd_device *base, struct format_data_t *fdata, cqr->buildclk = get_tod_clock(); cqr->status = DASD_CQR_FILLED; /* Set flags to suppress output for expected errors */ - set_bit(DASD_CQR_SUPPRESS_FP, &cqr->flags); set_bit(DASD_CQR_SUPPRESS_IL, &cqr->flags); return cqr; @@ -4131,8 +4131,6 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_single( /* Set flags to suppress output for expected errors */ if (dasd_eckd_is_ese(basedev)) { - set_bit(DASD_CQR_SUPPRESS_FP, &cqr->flags); - set_bit(DASD_CQR_SUPPRESS_IL, &cqr->flags); set_bit(DASD_CQR_SUPPRESS_NRF, &cqr->flags); } @@ -4634,9 +4632,8 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track( /* Set flags to suppress output for expected errors */ if (dasd_eckd_is_ese(basedev)) { - set_bit(DASD_CQR_SUPPRESS_FP, &cqr->flags); - set_bit(DASD_CQR_SUPPRESS_IL, &cqr->flags); set_bit(DASD_CQR_SUPPRESS_NRF, &cqr->flags); + set_bit(DASD_CQR_SUPPRESS_IT, &cqr->flags); } return cqr; @@ -5806,36 +5803,32 @@ static void dasd_eckd_dump_sense(struct dasd_device *device, { u8 *sense = dasd_get_sense(irb); - if (scsw_is_tm(&irb->scsw)) { - /* - * In some cases the 'File Protected' or 'Incorrect Length' - * error might be expected and log messages shouldn't be written - * then. Check if the according suppress bit is set. - */ - if (sense && (sense[1] & SNS1_FILE_PROTECTED) && - test_bit(DASD_CQR_SUPPRESS_FP, &req->flags)) - return; - if (scsw_cstat(&irb->scsw) == 0x40 && - test_bit(DASD_CQR_SUPPRESS_IL, &req->flags)) - return; + /* + * In some cases certain errors might be expected and + * log messages shouldn't be written then. + * Check if the according suppress bit is set. + */ + if (sense && (sense[1] & SNS1_INV_TRACK_FORMAT) && + !(sense[2] & SNS2_ENV_DATA_PRESENT) && + test_bit(DASD_CQR_SUPPRESS_IT, &req->flags)) + return; - dasd_eckd_dump_sense_tcw(device, req, irb); - } else { - /* - * In some cases the 'Command Reject' or 'No Record Found' - * error might be expected and log messages shouldn't be - * written then. Check if the according suppress bit is set. - */ - if (sense && sense[0] & SNS0_CMD_REJECT && - test_bit(DASD_CQR_SUPPRESS_CR, &req->flags)) - return; + if (sense && sense[0] & SNS0_CMD_REJECT && + test_bit(DASD_CQR_SUPPRESS_CR, &req->flags)) + return; - if (sense && sense[1] & SNS1_NO_REC_FOUND && - test_bit(DASD_CQR_SUPPRESS_NRF, &req->flags)) - return; + if (sense && sense[1] & SNS1_NO_REC_FOUND && + test_bit(DASD_CQR_SUPPRESS_NRF, &req->flags)) + return; + if (scsw_cstat(&irb->scsw) == 0x40 && + test_bit(DASD_CQR_SUPPRESS_IL, &req->flags)) + return; + + if (scsw_is_tm(&irb->scsw)) + dasd_eckd_dump_sense_tcw(device, req, irb); + else dasd_eckd_dump_sense_ccw(device, req, irb); - } } static int dasd_eckd_reload_device(struct dasd_device *device) diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index 744e14a81c..c71e44d49b 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -226,7 +226,7 @@ struct dasd_ccw_req { * The following flags are used to suppress output of certain errors. */ #define DASD_CQR_SUPPRESS_NRF 4 /* Suppress 'No Record Found' error */ -#define DASD_CQR_SUPPRESS_FP 5 /* Suppress 'File Protected' error*/ +#define DASD_CQR_SUPPRESS_IT 5 /* Suppress 'Invalid Track' error*/ #define DASD_CQR_SUPPRESS_IL 6 /* Suppress 'Incorrect Length' error */ #define DASD_CQR_SUPPRESS_CR 7 /* Suppress 'Command Reject' error */ diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c index 2cf7fe131e..0830ea42e7 100644 --- a/drivers/s390/char/sclp.c +++ b/drivers/s390/char/sclp.c @@ -1292,6 +1292,7 @@ sclp_init(void) fail_unregister_reboot_notifier: unregister_reboot_notifier(&sclp_reboot_notifier); fail_init_state_uninitialized: + list_del(&sclp_state_change_event.list); sclp_init_state = sclp_init_state_uninitialized; free_page((unsigned long) sclp_read_sccb); free_page((unsigned long) sclp_init_sccb); diff --git a/drivers/s390/char/sclp_sd.c b/drivers/s390/char/sclp_sd.c index 1e244f78f1..64581433c3 100644 --- a/drivers/s390/char/sclp_sd.c +++ b/drivers/s390/char/sclp_sd.c @@ -319,8 +319,14 @@ static int sclp_sd_store_data(struct sclp_sd_data *result, u8 di) &esize); if (rc) { /* Cancel running request if interrupted */ - if (rc == -ERESTARTSYS) - sclp_sd_sync(page, SD_EQ_HALT, di, 0, 0, NULL, NULL); + if (rc == -ERESTARTSYS) { + if (sclp_sd_sync(page, SD_EQ_HALT, di, 0, 0, NULL, NULL)) { + pr_warn("Could not stop Store Data request - leaking at least %zu bytes\n", + (size_t)dsize * PAGE_SIZE); + data = NULL; + asce = 0; + } + } vfree(data); goto out; } diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c index 29a6a0099f..7bf9a0a87a 100644 --- a/drivers/s390/char/sclp_vt220.c +++ b/drivers/s390/char/sclp_vt220.c @@ -320,7 +320,7 @@ sclp_vt220_add_msg(struct sclp_vt220_request *request, buffer = (void *) ((addr_t) sccb + sccb->header.length); if (convertlf) { - /* Perform Linefeed conversion (0x0a -> 0x0a 0x0d)*/ + /* Perform Linefeed conversion (0x0a -> 0x0d 0x0a)*/ for (from=0, to=0; (from < count) && (to < sclp_vt220_space_left(request)); from++) { @@ -329,8 +329,8 @@ sclp_vt220_add_msg(struct sclp_vt220_request *request, /* Perform conversion */ if (c == 0x0a) { if (to + 1 < sclp_vt220_space_left(request)) { - ((unsigned char *) buffer)[to++] = c; ((unsigned char *) buffer)[to++] = 0x0d; + ((unsigned char *) buffer)[to++] = c; } else break; diff --git a/drivers/s390/cio/idset.c b/drivers/s390/cio/idset.c index 45f9c0736b..e5f28370a9 100644 --- a/drivers/s390/cio/idset.c +++ b/drivers/s390/cio/idset.c @@ -16,20 +16,21 @@ struct idset { unsigned long bitmap[]; }; -static inline unsigned long bitmap_size(int num_ssid, int num_id) +static inline unsigned long idset_bitmap_size(int num_ssid, int num_id) { - return BITS_TO_LONGS(num_ssid * num_id) * sizeof(unsigned long); + return bitmap_size(size_mul(num_ssid, num_id)); } static struct idset *idset_new(int num_ssid, int num_id) { struct idset *set; - set = vmalloc(sizeof(struct idset) + bitmap_size(num_ssid, num_id)); + set = vmalloc(sizeof(struct idset) + + idset_bitmap_size(num_ssid, num_id)); if (set) { set->num_ssid = num_ssid; set->num_id = num_id; - memset(set->bitmap, 0, bitmap_size(num_ssid, num_id)); + memset(set->bitmap, 0, idset_bitmap_size(num_ssid, num_id)); } return set; } @@ -41,7 +42,8 @@ void idset_free(struct idset *set) void idset_fill(struct idset *set) { - memset(set->bitmap, 0xff, bitmap_size(set->num_ssid, set->num_id)); + memset(set->bitmap, 0xff, + idset_bitmap_size(set->num_ssid, set->num_id)); } static inline void idset_add(struct idset *set, int ssid, int id) diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c index 34e1d1b339..43dd937cdf 100644 --- a/drivers/s390/crypto/pkey_api.c +++ b/drivers/s390/crypto/pkey_api.c @@ -1170,7 +1170,7 @@ static long pkey_unlocked_ioctl(struct file *filp, unsigned int cmd, if (rc) break; if (copy_to_user(ucs, &kcs, sizeof(kcs))) - return -EFAULT; + rc = -EFAULT; memzero_explicit(&kcs, sizeof(kcs)); break; } @@ -1202,7 +1202,7 @@ static long pkey_unlocked_ioctl(struct file *filp, unsigned int cmd, if (rc) break; if (copy_to_user(ucp, &kcp, sizeof(kcp))) - return -EFAULT; + rc = -EFAULT; memzero_explicit(&kcp, sizeof(kcp)); break; } diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c index a85589a2a8..e8e0bd231d 100644 --- a/drivers/scsi/NCR5380.c +++ b/drivers/scsi/NCR5380.c @@ -84,8 +84,7 @@ * On command termination, the done function will be called as * appropriate. * - * SCSI pointers are maintained in the SCp field of SCSI command - * structures, being initialized after the command is connected + * The command data pointer is initialized after the command is connected * in NCR5380_select, and set as appropriate in NCR5380_information_transfer. * Note that in violation of the standard, an implicit SAVE POINTERS operation * is done, since some BROKEN disks fail to issue an explicit SAVE POINTERS. @@ -145,40 +144,38 @@ static void bus_reset_cleanup(struct Scsi_Host *); static inline void initialize_SCp(struct scsi_cmnd *cmd) { - /* - * Initialize the Scsi Pointer field so that all of the commands in the - * various queues are valid. - */ + struct NCR5380_cmd *ncmd = NCR5380_to_ncmd(cmd); if (scsi_bufflen(cmd)) { - cmd->SCp.buffer = scsi_sglist(cmd); - cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); - cmd->SCp.this_residual = cmd->SCp.buffer->length; + ncmd->buffer = scsi_sglist(cmd); + ncmd->ptr = sg_virt(ncmd->buffer); + ncmd->this_residual = ncmd->buffer->length; } else { - cmd->SCp.buffer = NULL; - cmd->SCp.ptr = NULL; - cmd->SCp.this_residual = 0; + ncmd->buffer = NULL; + ncmd->ptr = NULL; + ncmd->this_residual = 0; } - cmd->SCp.Status = 0; - cmd->SCp.Message = 0; + ncmd->status = 0; + ncmd->message = 0; } -static inline void advance_sg_buffer(struct scsi_cmnd *cmd) +static inline void advance_sg_buffer(struct NCR5380_cmd *ncmd) { - struct scatterlist *s = cmd->SCp.buffer; + struct scatterlist *s = ncmd->buffer; - if (!cmd->SCp.this_residual && s && !sg_is_last(s)) { - cmd->SCp.buffer = sg_next(s); - cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); - cmd->SCp.this_residual = cmd->SCp.buffer->length; + if (!ncmd->this_residual && s && !sg_is_last(s)) { + ncmd->buffer = sg_next(s); + ncmd->ptr = sg_virt(ncmd->buffer); + ncmd->this_residual = ncmd->buffer->length; } } static inline void set_resid_from_SCp(struct scsi_cmnd *cmd) { - int resid = cmd->SCp.this_residual; - struct scatterlist *s = cmd->SCp.buffer; + struct NCR5380_cmd *ncmd = NCR5380_to_ncmd(cmd); + int resid = ncmd->this_residual; + struct scatterlist *s = ncmd->buffer; if (s) while (!sg_is_last(s)) { @@ -564,7 +561,7 @@ static int NCR5380_queue_command(struct Scsi_Host *instance, struct scsi_cmnd *cmd) { struct NCR5380_hostdata *hostdata = shost_priv(instance); - struct NCR5380_cmd *ncmd = scsi_cmd_priv(cmd); + struct NCR5380_cmd *ncmd = NCR5380_to_ncmd(cmd); unsigned long flags; #if (NDEBUG & NDEBUG_NO_WRITE) @@ -672,7 +669,7 @@ static struct scsi_cmnd *dequeue_next_cmd(struct Scsi_Host *instance) static void requeue_cmd(struct Scsi_Host *instance, struct scsi_cmnd *cmd) { struct NCR5380_hostdata *hostdata = shost_priv(instance); - struct NCR5380_cmd *ncmd = scsi_cmd_priv(cmd); + struct NCR5380_cmd *ncmd = NCR5380_to_ncmd(cmd); if (hostdata->sensing == cmd) { scsi_eh_restore_cmnd(cmd, &hostdata->ses); @@ -757,6 +754,7 @@ static void NCR5380_main(struct work_struct *work) static void NCR5380_dma_complete(struct Scsi_Host *instance) { struct NCR5380_hostdata *hostdata = shost_priv(instance); + struct NCR5380_cmd *ncmd = NCR5380_to_ncmd(hostdata->connected); int transferred; unsigned char **data; int *count; @@ -764,7 +762,7 @@ static void NCR5380_dma_complete(struct Scsi_Host *instance) unsigned char p; if (hostdata->read_overruns) { - p = hostdata->connected->SCp.phase; + p = ncmd->phase; if (p & SR_IO) { udelay(10); if ((NCR5380_read(BUS_AND_STATUS_REG) & @@ -801,8 +799,8 @@ static void NCR5380_dma_complete(struct Scsi_Host *instance) transferred = hostdata->dma_len - NCR5380_dma_residual(hostdata); hostdata->dma_len = 0; - data = (unsigned char **)&hostdata->connected->SCp.ptr; - count = &hostdata->connected->SCp.this_residual; + data = (unsigned char **)&ncmd->ptr; + count = &ncmd->this_residual; *data += transferred; *count -= transferred; @@ -1487,6 +1485,7 @@ static int NCR5380_transfer_dma(struct Scsi_Host *instance, unsigned char **data) { struct NCR5380_hostdata *hostdata = shost_priv(instance); + struct NCR5380_cmd *ncmd = NCR5380_to_ncmd(hostdata->connected); int c = *count; unsigned char p = *phase; unsigned char *d = *data; @@ -1498,7 +1497,7 @@ static int NCR5380_transfer_dma(struct Scsi_Host *instance, return -1; } - hostdata->connected->SCp.phase = p; + ncmd->phase = p; if (p & SR_IO) { if (hostdata->read_overruns) @@ -1610,45 +1609,44 @@ static int NCR5380_transfer_dma(struct Scsi_Host *instance, * request. */ - if (hostdata->flags & FLAG_DMA_FIXUP) { - if (p & SR_IO) { - /* - * The workaround was to transfer fewer bytes than we - * intended to with the pseudo-DMA read function, wait for - * the chip to latch the last byte, read it, and then disable - * pseudo-DMA mode. - * - * After REQ is asserted, the NCR5380 asserts DRQ and ACK. - * REQ is deasserted when ACK is asserted, and not reasserted - * until ACK goes false. Since the NCR5380 won't lower ACK - * until DACK is asserted, which won't happen unless we twiddle - * the DMA port or we take the NCR5380 out of DMA mode, we - * can guarantee that we won't handshake another extra - * byte. - */ - - if (NCR5380_poll_politely(hostdata, BUS_AND_STATUS_REG, - BASR_DRQ, BASR_DRQ, 0) < 0) { - result = -1; - shost_printk(KERN_ERR, instance, "PDMA read: DRQ timeout\n"); - } - if (NCR5380_poll_politely(hostdata, STATUS_REG, - SR_REQ, 0, 0) < 0) { - result = -1; - shost_printk(KERN_ERR, instance, "PDMA read: !REQ timeout\n"); - } - d[*count - 1] = NCR5380_read(INPUT_DATA_REG); - } else { - /* - * Wait for the last byte to be sent. If REQ is being asserted for - * the byte we're interested, we'll ACK it and it will go false. - */ - if (NCR5380_poll_politely2(hostdata, - BUS_AND_STATUS_REG, BASR_DRQ, BASR_DRQ, - BUS_AND_STATUS_REG, BASR_PHASE_MATCH, 0, 0) < 0) { - result = -1; - shost_printk(KERN_ERR, instance, "PDMA write: DRQ and phase timeout\n"); + if ((hostdata->flags & FLAG_DMA_FIXUP) && + (NCR5380_read(BUS_AND_STATUS_REG) & BASR_PHASE_MATCH)) { + /* + * The workaround was to transfer fewer bytes than we + * intended to with the pseudo-DMA receive function, wait for + * the chip to latch the last byte, read it, and then disable + * DMA mode. + * + * After REQ is asserted, the NCR5380 asserts DRQ and ACK. + * REQ is deasserted when ACK is asserted, and not reasserted + * until ACK goes false. Since the NCR5380 won't lower ACK + * until DACK is asserted, which won't happen unless we twiddle + * the DMA port or we take the NCR5380 out of DMA mode, we + * can guarantee that we won't handshake another extra + * byte. + * + * If sending, wait for the last byte to be sent. If REQ is + * being asserted for the byte we're interested, we'll ACK it + * and it will go false. + */ + if (!NCR5380_poll_politely(hostdata, BUS_AND_STATUS_REG, + BASR_DRQ, BASR_DRQ, 0)) { + if ((p & SR_IO) && + (NCR5380_read(BUS_AND_STATUS_REG) & BASR_PHASE_MATCH)) { + if (!NCR5380_poll_politely(hostdata, STATUS_REG, + SR_REQ, 0, 0)) { + d[c] = NCR5380_read(INPUT_DATA_REG); + --ncmd->this_residual; + } else { + result = -1; + scmd_printk(KERN_ERR, hostdata->connected, + "PDMA fixup: !REQ timeout\n"); + } } + } else if (NCR5380_read(BUS_AND_STATUS_REG) & BASR_PHASE_MATCH) { + result = -1; + scmd_printk(KERN_ERR, hostdata->connected, + "PDMA fixup: DRQ timeout\n"); } } @@ -1690,7 +1688,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) #endif while ((cmd = hostdata->connected)) { - struct NCR5380_cmd *ncmd = scsi_cmd_priv(cmd); + struct NCR5380_cmd *ncmd = NCR5380_to_ncmd(cmd); tmp = NCR5380_read(STATUS_REG); /* We only have a valid SCSI phase when REQ is asserted */ @@ -1705,17 +1703,17 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) sun3_dma_setup_done != cmd) { int count; - advance_sg_buffer(cmd); + advance_sg_buffer(ncmd); count = sun3scsi_dma_xfer_len(hostdata, cmd); if (count > 0) { if (cmd->sc_data_direction == DMA_TO_DEVICE) sun3scsi_dma_send_setup(hostdata, - cmd->SCp.ptr, count); + ncmd->ptr, count); else sun3scsi_dma_recv_setup(hostdata, - cmd->SCp.ptr, count); + ncmd->ptr, count); sun3_dma_setup_done = cmd; } #ifdef SUN3_SCSI_VME @@ -1755,11 +1753,11 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) * scatter-gather list, move onto the next one. */ - advance_sg_buffer(cmd); + advance_sg_buffer(ncmd); dsprintk(NDEBUG_INFORMATION, instance, "this residual %d, sg ents %d\n", - cmd->SCp.this_residual, - sg_nents(cmd->SCp.buffer)); + ncmd->this_residual, + sg_nents(ncmd->buffer)); /* * The preferred transfer method is going to be @@ -1778,7 +1776,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) if (transfersize > 0) { len = transfersize; if (NCR5380_transfer_dma(instance, &phase, - &len, (unsigned char **)&cmd->SCp.ptr)) { + &len, (unsigned char **)&ncmd->ptr)) { /* * If the watchdog timer fires, all future * accesses to this device will use the @@ -1794,13 +1792,13 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) /* Transfer a small chunk so that the * irq mode lock is not held too long. */ - transfersize = min(cmd->SCp.this_residual, + transfersize = min(ncmd->this_residual, NCR5380_PIO_CHUNK_SIZE); len = transfersize; NCR5380_transfer_pio(instance, &phase, &len, - (unsigned char **)&cmd->SCp.ptr, + (unsigned char **)&ncmd->ptr, 0); - cmd->SCp.this_residual -= transfersize - len; + ncmd->this_residual -= transfersize - len; } #ifdef CONFIG_SUN3 if (sun3_dma_setup_done == cmd) @@ -1811,7 +1809,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) len = 1; data = &tmp; NCR5380_transfer_pio(instance, &phase, &len, &data, 0); - cmd->SCp.Message = tmp; + ncmd->message = tmp; switch (tmp) { case ABORT: @@ -1828,15 +1826,15 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) hostdata->connected = NULL; hostdata->busy[scmd_id(cmd)] &= ~(1 << cmd->device->lun); - set_status_byte(cmd, cmd->SCp.Status); + set_status_byte(cmd, ncmd->status); set_resid_from_SCp(cmd); if (cmd->cmnd[0] == REQUEST_SENSE) complete_cmd(instance, cmd); else { - if (cmd->SCp.Status == SAM_STAT_CHECK_CONDITION || - cmd->SCp.Status == SAM_STAT_COMMAND_TERMINATED) { + if (ncmd->status == SAM_STAT_CHECK_CONDITION || + ncmd->status == SAM_STAT_COMMAND_TERMINATED) { dsprintk(NDEBUG_QUEUES, instance, "autosense: adding cmd %p to tail of autosense queue\n", cmd); list_add_tail(&ncmd->list, @@ -2000,7 +1998,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) len = 1; data = &tmp; NCR5380_transfer_pio(instance, &phase, &len, &data, 0); - cmd->SCp.Status = tmp; + ncmd->status = tmp; break; default: shost_printk(KERN_ERR, instance, "unknown phase\n"); @@ -2153,17 +2151,17 @@ static void NCR5380_reselect(struct Scsi_Host *instance) if (sun3_dma_setup_done != tmp) { int count; - advance_sg_buffer(tmp); + advance_sg_buffer(ncmd); count = sun3scsi_dma_xfer_len(hostdata, tmp); if (count > 0) { if (tmp->sc_data_direction == DMA_TO_DEVICE) sun3scsi_dma_send_setup(hostdata, - tmp->SCp.ptr, count); + ncmd->ptr, count); else sun3scsi_dma_recv_setup(hostdata, - tmp->SCp.ptr, count); + ncmd->ptr, count); sun3_dma_setup_done = tmp; } } @@ -2206,7 +2204,7 @@ static bool list_del_cmd(struct list_head *haystack, struct scsi_cmnd *needle) { if (list_find_cmd(haystack, needle)) { - struct NCR5380_cmd *ncmd = scsi_cmd_priv(needle); + struct NCR5380_cmd *ncmd = NCR5380_to_ncmd(needle); list_del(&ncmd->list); return true; diff --git a/drivers/scsi/NCR5380.h b/drivers/scsi/NCR5380.h index 8a3b419322..27b3612a9a 100644 --- a/drivers/scsi/NCR5380.h +++ b/drivers/scsi/NCR5380.h @@ -227,6 +227,12 @@ struct NCR5380_hostdata { }; struct NCR5380_cmd { + char *ptr; + int this_residual; + struct scatterlist *buffer; + int status; + int message; + int phase; struct list_head list; }; @@ -242,6 +248,11 @@ static inline struct scsi_cmnd *NCR5380_to_scmd(struct NCR5380_cmd *ncmd_ptr) return ((struct scsi_cmnd *)ncmd_ptr) - 1; } +static inline struct NCR5380_cmd *NCR5380_to_ncmd(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + #ifndef NDEBUG #define NDEBUG (0) #endif diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 3733df77bc..874fa0d1c8 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -2028,8 +2028,8 @@ struct aac_srb_reply }; struct aac_srb_unit { - struct aac_srb srb; struct aac_srb_reply srb_reply; + struct aac_srb srb; }; /* diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index 355b16f0b1..34e45c87ca 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -642,6 +642,7 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev) if (aac_comm_init(dev)<0){ kfree(dev->queues); + dev->queues = NULL; return NULL; } /* @@ -649,6 +650,7 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev) */ if (aac_fib_setup(dev) < 0) { kfree(dev->queues); + dev->queues = NULL; return NULL; } diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c index 95d7a35860..cc6f7761b2 100644 --- a/drivers/scsi/atari_scsi.c +++ b/drivers/scsi/atari_scsi.c @@ -538,7 +538,7 @@ static int falcon_classify_cmd(struct scsi_cmnd *cmd) static int atari_scsi_dma_xfer_len(struct NCR5380_hostdata *hostdata, struct scsi_cmnd *cmd) { - int wanted_len = cmd->SCp.this_residual; + int wanted_len = NCR5380_to_ncmd(cmd)->this_residual; int possible_len, limit; if (wanted_len < DMA_MIN_SIZE) @@ -610,7 +610,7 @@ static int atari_scsi_dma_xfer_len(struct NCR5380_hostdata *hostdata, } /* Last step: apply the hard limit on DMA transfers */ - limit = (atari_dma_buffer && !STRAM_ADDR(virt_to_phys(cmd->SCp.ptr))) ? + limit = (atari_dma_buffer && !STRAM_ADDR(virt_to_phys(NCR5380_to_ncmd(cmd)->ptr))) ? STRAM_BUFFER_SIZE : 255*512; if (possible_len > limit) possible_len = limit; diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index a9c4a5e2cc..60792f257c 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -406,28 +406,40 @@ static char print_alua_state(unsigned char state) } } -static enum scsi_disposition alua_check_sense(struct scsi_device *sdev, - struct scsi_sense_hdr *sense_hdr) +static void alua_handle_state_transition(struct scsi_device *sdev) { struct alua_dh_data *h = sdev->handler_data; struct alua_port_group *pg; + rcu_read_lock(); + pg = rcu_dereference(h->pg); + if (pg) + pg->state = SCSI_ACCESS_STATE_TRANSITIONING; + rcu_read_unlock(); + alua_check(sdev, false); +} + +static enum scsi_disposition alua_check_sense(struct scsi_device *sdev, + struct scsi_sense_hdr *sense_hdr) +{ switch (sense_hdr->sense_key) { case NOT_READY: if (sense_hdr->asc == 0x04 && sense_hdr->ascq == 0x0a) { /* * LUN Not Accessible - ALUA state transition */ - rcu_read_lock(); - pg = rcu_dereference(h->pg); - if (pg) - pg->state = SCSI_ACCESS_STATE_TRANSITIONING; - rcu_read_unlock(); - alua_check(sdev, false); + alua_handle_state_transition(sdev); return NEEDS_RETRY; } break; case UNIT_ATTENTION: + if (sense_hdr->asc == 0x04 && sense_hdr->ascq == 0x0a) { + /* + * LUN Not Accessible - ALUA state transition + */ + alua_handle_state_transition(sdev); + return NEEDS_RETRY; + } if (sense_hdr->asc == 0x29 && sense_hdr->ascq == 0x00) { /* * Power On, Reset, or Bus Device Reset. @@ -494,7 +506,8 @@ static int alua_tur(struct scsi_device *sdev) retval = scsi_test_unit_ready(sdev, ALUA_FAILOVER_TIMEOUT * HZ, ALUA_FAILOVER_RETRIES, &sense_hdr); - if (sense_hdr.sense_key == NOT_READY && + if ((sense_hdr.sense_key == NOT_READY || + sense_hdr.sense_key == UNIT_ATTENTION) && sense_hdr.asc == 0x04 && sense_hdr.ascq == 0x0a) return SCSI_DH_RETRY; else if (retval) diff --git a/drivers/scsi/elx/libefc/efc_nport.c b/drivers/scsi/elx/libefc/efc_nport.c index 2e83a66790..1a7437f432 100644 --- a/drivers/scsi/elx/libefc/efc_nport.c +++ b/drivers/scsi/elx/libefc/efc_nport.c @@ -705,9 +705,9 @@ efc_nport_vport_del(struct efc *efc, struct efc_domain *domain, spin_lock_irqsave(&efc->lock, flags); list_for_each_entry(nport, &domain->nport_list, list_entry) { if (nport->wwpn == wwpn && nport->wwnn == wwnn) { - kref_put(&nport->ref, nport->release); /* Shutdown this NPORT */ efc_sm_post_event(&nport->sm, EFC_EVT_SHUTDOWN, NULL); + kref_put(&nport->ref, nport->release); break; } } diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c index 7ba3c93127..aac6a4c011 100644 --- a/drivers/scsi/g_NCR5380.c +++ b/drivers/scsi/g_NCR5380.c @@ -663,7 +663,7 @@ static inline int generic_NCR5380_psend(struct NCR5380_hostdata *hostdata, static int generic_NCR5380_dma_xfer_len(struct NCR5380_hostdata *hostdata, struct scsi_cmnd *cmd) { - int transfersize = cmd->SCp.this_residual; + int transfersize = NCR5380_to_ncmd(cmd)->this_residual; if (hostdata->flags & FLAG_NO_PSEUDO_DMA) return 0; @@ -675,7 +675,7 @@ static int generic_NCR5380_dma_xfer_len(struct NCR5380_hostdata *hostdata, /* Limit PDMA send to 512 B to avoid random corruption on DTC3181E */ if (hostdata->board == BOARD_DTC3181E && cmd->sc_data_direction == DMA_TO_DEVICE) - transfersize = min(cmd->SCp.this_residual, 512); + transfersize = min(transfersize, 512); return min(transfersize, DMA_MAX_SIZE); } diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 4caee4e324..eb3e8b41ad 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -182,6 +182,15 @@ void scsi_remove_host(struct Scsi_Host *shost) scsi_proc_host_rm(shost); scsi_proc_hostdir_rm(shost->hostt); + /* + * New SCSI devices cannot be attached anymore because of the SCSI host + * state so drop the tag set refcnt. Wait until the tag set refcnt drops + * to zero because .exit_cmd_priv implementations may need the host + * pointer. + */ + kref_put(&shost->tagset_refcnt, scsi_mq_free_tags); + wait_for_completion(&shost->tagset_freed); + spin_lock_irqsave(shost->host_lock, flags); if (scsi_host_set_state(shost, SHOST_DEL)) BUG_ON(scsi_host_set_state(shost, SHOST_DEL_RECOVERY)); @@ -240,6 +249,9 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev, shost->dma_dev = dma_dev; + kref_init(&shost->tagset_refcnt); + init_completion(&shost->tagset_freed); + /* * Increase usage count temporarily here so that calling * scsi_autopm_put_host() will trigger runtime idle if there is @@ -312,6 +324,7 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev, pm_runtime_disable(&shost->shost_gendev); pm_runtime_set_suspended(&shost->shost_gendev); pm_runtime_put_noidle(&shost->shost_gendev); + kref_put(&shost->tagset_refcnt, scsi_mq_free_tags); fail: return error; } @@ -344,9 +357,6 @@ static void scsi_host_dev_release(struct device *dev) kfree(dev_name(&shost->shost_dev)); } - if (shost->tag_set.tags) - scsi_mq_destroy_tags(shost); - kfree(shost->shost_data); ida_simple_remove(&host_index_ida, shost->host_no); diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h index d7a1fb5c10..5028bc394c 100644 --- a/drivers/scsi/libsas/sas_internal.h +++ b/drivers/scsi/libsas/sas_internal.h @@ -111,6 +111,20 @@ static inline void sas_fail_probe(struct domain_device *dev, const char *func, i func, dev->parent ? "exp-attached" : "direct-attached", SAS_ADDR(dev->sas_addr), err); + + /* + * If the device probe failed, the expander phy attached address + * needs to be reset so that the phy will not be treated as flutter + * in the next revalidation + */ + if (dev->parent && !dev_is_expander(dev->dev_type)) { + struct sas_phy *phy = dev->phy; + struct domain_device *parent = dev->parent; + struct ex_phy *ex_phy = &parent->ex_dev.ex_phy[phy->number]; + + memset(ex_phy->attached_sas_addr, 0, SAS_ADDR_SIZE); + } + sas_unregister_dev(dev->port, dev); } diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index ed827f198c..45c5900694 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -5761,7 +5761,7 @@ lpfc_get_cgnbuf_info(struct bsg_job *job) struct get_cgnbuf_info_req *cgnbuf_req; struct lpfc_cgn_info *cp; uint8_t *cgn_buff; - int size, cinfosz; + size_t size, cinfosz; int rc = 0; if (job->request_len < sizeof(struct fc_bsg_request) + diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 30bc72324f..68b015bb6d 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -7490,7 +7490,7 @@ lpfc_sli4_repost_sgl_list(struct lpfc_hba *phba, struct lpfc_sglq *sglq_entry = NULL; struct lpfc_sglq *sglq_entry_next = NULL; struct lpfc_sglq *sglq_entry_first = NULL; - int status, total_cnt; + int status = 0, total_cnt; int post_cnt = 0, num_posted = 0, block_cnt = 0; int last_xritag = NO_XRI; LIST_HEAD(prep_sgl_list); diff --git a/drivers/scsi/mac_scsi.c b/drivers/scsi/mac_scsi.c index 5c808fbc6c..d02ca25904 100644 --- a/drivers/scsi/mac_scsi.c +++ b/drivers/scsi/mac_scsi.c @@ -102,11 +102,15 @@ __setup("mac5380=", mac_scsi_setup); * Linux SCSI drivers lack knowledge of the timing behaviour of SCSI targets * so bus errors are unavoidable. * - * If a MOVE.B instruction faults, we assume that zero bytes were transferred - * and simply retry. That assumption probably depends on target behaviour but - * seems to hold up okay. The NOP provides synchronization: without it the - * fault can sometimes occur after the program counter has moved past the - * offending instruction. Post-increment addressing can't be used. + * If a MOVE.B instruction faults during a receive operation, we assume the + * target sent nothing and try again. That assumption probably depends on + * target firmware but it seems to hold up okay. If a fault happens during a + * send operation, the target may or may not have seen /ACK and got the byte. + * It's uncertain so the whole SCSI command gets retried. + * + * The NOP is needed for synchronization because the fault address in the + * exception stack frame may or may not be the instruction that actually + * caused the bus error. Post-increment addressing can't be used. */ #define MOVE_BYTE(operands) \ @@ -208,8 +212,6 @@ __setup("mac5380=", mac_scsi_setup); ".previous \n" \ : "+a" (addr), "+r" (n), "+r" (result) : "a" (io)) -#define MAC_PDMA_DELAY 32 - static inline int mac_pdma_recv(void __iomem *io, unsigned char *start, int n) { unsigned char *addr = start; @@ -245,22 +247,21 @@ static inline int mac_pdma_send(unsigned char *start, void __iomem *io, int n) if (n >= 1) { MOVE_BYTE("%0@,%3@"); if (result) - goto out; + return -1; } if (n >= 1 && ((unsigned long)addr & 1)) { MOVE_BYTE("%0@,%3@"); if (result) - goto out; + return -2; } while (n >= 32) MOVE_16_WORDS("%0@+,%3@"); while (n >= 2) MOVE_WORD("%0@+,%3@"); if (result) - return start - addr; /* Negated to indicate uncertain length */ + return start - addr - 1; /* Negated to indicate uncertain length */ if (n == 1) MOVE_BYTE("%0@,%3@"); -out: return addr - start; } @@ -274,25 +275,56 @@ static inline void write_ctrl_reg(struct NCR5380_hostdata *hostdata, u32 value) out_be32(hostdata->io + (CTRL_REG << 4), value); } +static inline int macscsi_wait_for_drq(struct NCR5380_hostdata *hostdata) +{ + unsigned int n = 1; /* effectively multiplies NCR5380_REG_POLL_TIME */ + unsigned char basr; + +again: + basr = NCR5380_read(BUS_AND_STATUS_REG); + + if (!(basr & BASR_PHASE_MATCH)) + return 1; + + if (basr & BASR_IRQ) + return -1; + + if (basr & BASR_DRQ) + return 0; + + if (n-- == 0) { + NCR5380_dprint(NDEBUG_PSEUDO_DMA, hostdata->host); + dsprintk(NDEBUG_PSEUDO_DMA, hostdata->host, + "%s: DRQ timeout\n", __func__); + return -1; + } + + NCR5380_poll_politely2(hostdata, + BUS_AND_STATUS_REG, BASR_DRQ, BASR_DRQ, + BUS_AND_STATUS_REG, BASR_PHASE_MATCH, 0, 0); + goto again; +} + static inline int macscsi_pread(struct NCR5380_hostdata *hostdata, unsigned char *dst, int len) { u8 __iomem *s = hostdata->pdma_io + (INPUT_DATA_REG << 4); unsigned char *d = dst; - int result = 0; hostdata->pdma_residual = len; - while (!NCR5380_poll_politely(hostdata, BUS_AND_STATUS_REG, - BASR_DRQ | BASR_PHASE_MATCH, - BASR_DRQ | BASR_PHASE_MATCH, 0)) { - int bytes; + while (macscsi_wait_for_drq(hostdata) == 0) { + int bytes, chunk_bytes; if (macintosh_config->ident == MAC_MODEL_IIFX) write_ctrl_reg(hostdata, CTRL_HANDSHAKE_MODE | CTRL_INTERRUPTS_ENABLE); - bytes = mac_pdma_recv(s, d, min(hostdata->pdma_residual, 512)); + chunk_bytes = min(hostdata->pdma_residual, 512); + bytes = mac_pdma_recv(s, d, chunk_bytes); + + if (macintosh_config->ident == MAC_MODEL_IIFX) + write_ctrl_reg(hostdata, CTRL_INTERRUPTS_ENABLE); if (bytes > 0) { d += bytes; @@ -300,37 +332,25 @@ static inline int macscsi_pread(struct NCR5380_hostdata *hostdata, } if (hostdata->pdma_residual == 0) - goto out; + break; - if (NCR5380_poll_politely2(hostdata, STATUS_REG, SR_REQ, SR_REQ, - BUS_AND_STATUS_REG, BASR_ACK, - BASR_ACK, 0) < 0) - scmd_printk(KERN_DEBUG, hostdata->connected, - "%s: !REQ and !ACK\n", __func__); - if (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_PHASE_MATCH)) - goto out; + if (bytes > 0) + continue; - if (bytes == 0) - udelay(MAC_PDMA_DELAY); + NCR5380_dprint(NDEBUG_PSEUDO_DMA, hostdata->host); + dsprintk(NDEBUG_PSEUDO_DMA, hostdata->host, + "%s: bus error [%d/%d] (%d/%d)\n", + __func__, d - dst, len, bytes, chunk_bytes); - if (bytes >= 0) + if (bytes == 0) continue; - dsprintk(NDEBUG_PSEUDO_DMA, hostdata->host, - "%s: bus error (%d/%d)\n", __func__, d - dst, len); - NCR5380_dprint(NDEBUG_PSEUDO_DMA, hostdata->host); - result = -1; - goto out; + if (macscsi_wait_for_drq(hostdata) <= 0) + set_host_byte(hostdata->connected, DID_ERROR); + break; } - scmd_printk(KERN_ERR, hostdata->connected, - "%s: phase mismatch or !DRQ\n", __func__); - NCR5380_dprint(NDEBUG_PSEUDO_DMA, hostdata->host); - result = -1; -out: - if (macintosh_config->ident == MAC_MODEL_IIFX) - write_ctrl_reg(hostdata, CTRL_INTERRUPTS_ENABLE); - return result; + return 0; } static inline int macscsi_pwrite(struct NCR5380_hostdata *hostdata, @@ -338,77 +358,58 @@ static inline int macscsi_pwrite(struct NCR5380_hostdata *hostdata, { unsigned char *s = src; u8 __iomem *d = hostdata->pdma_io + (OUTPUT_DATA_REG << 4); - int result = 0; hostdata->pdma_residual = len; - while (!NCR5380_poll_politely(hostdata, BUS_AND_STATUS_REG, - BASR_DRQ | BASR_PHASE_MATCH, - BASR_DRQ | BASR_PHASE_MATCH, 0)) { - int bytes; + while (macscsi_wait_for_drq(hostdata) == 0) { + int bytes, chunk_bytes; if (macintosh_config->ident == MAC_MODEL_IIFX) write_ctrl_reg(hostdata, CTRL_HANDSHAKE_MODE | CTRL_INTERRUPTS_ENABLE); - bytes = mac_pdma_send(s, d, min(hostdata->pdma_residual, 512)); + chunk_bytes = min(hostdata->pdma_residual, 512); + bytes = mac_pdma_send(s, d, chunk_bytes); + + if (macintosh_config->ident == MAC_MODEL_IIFX) + write_ctrl_reg(hostdata, CTRL_INTERRUPTS_ENABLE); if (bytes > 0) { s += bytes; hostdata->pdma_residual -= bytes; } - if (hostdata->pdma_residual == 0) { - if (NCR5380_poll_politely(hostdata, TARGET_COMMAND_REG, - TCR_LAST_BYTE_SENT, - TCR_LAST_BYTE_SENT, - 0) < 0) { - scmd_printk(KERN_ERR, hostdata->connected, - "%s: Last Byte Sent timeout\n", __func__); - result = -1; - } - goto out; - } + if (hostdata->pdma_residual == 0) + break; - if (NCR5380_poll_politely2(hostdata, STATUS_REG, SR_REQ, SR_REQ, - BUS_AND_STATUS_REG, BASR_ACK, - BASR_ACK, 0) < 0) - scmd_printk(KERN_DEBUG, hostdata->connected, - "%s: !REQ and !ACK\n", __func__); - if (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_PHASE_MATCH)) - goto out; + if (bytes > 0) + continue; - if (bytes == 0) - udelay(MAC_PDMA_DELAY); + NCR5380_dprint(NDEBUG_PSEUDO_DMA, hostdata->host); + dsprintk(NDEBUG_PSEUDO_DMA, hostdata->host, + "%s: bus error [%d/%d] (%d/%d)\n", + __func__, s - src, len, bytes, chunk_bytes); - if (bytes >= 0) + if (bytes == 0) continue; - dsprintk(NDEBUG_PSEUDO_DMA, hostdata->host, - "%s: bus error (%d/%d)\n", __func__, s - src, len); - NCR5380_dprint(NDEBUG_PSEUDO_DMA, hostdata->host); - result = -1; - goto out; + if (macscsi_wait_for_drq(hostdata) <= 0) + set_host_byte(hostdata->connected, DID_ERROR); + break; } - scmd_printk(KERN_ERR, hostdata->connected, - "%s: phase mismatch or !DRQ\n", __func__); - NCR5380_dprint(NDEBUG_PSEUDO_DMA, hostdata->host); - result = -1; -out: - if (macintosh_config->ident == MAC_MODEL_IIFX) - write_ctrl_reg(hostdata, CTRL_INTERRUPTS_ENABLE); - return result; + return 0; } static int macscsi_dma_xfer_len(struct NCR5380_hostdata *hostdata, struct scsi_cmnd *cmd) { - if (hostdata->flags & FLAG_NO_PSEUDO_DMA || - cmd->SCp.this_residual < setup_use_pdma) + int resid = NCR5380_to_ncmd(cmd)->this_residual; + + if (hostdata->flags & FLAG_NO_PSEUDO_DMA || resid < setup_use_pdma) return 0; - return cmd->SCp.this_residual; + return resid; } static int macscsi_dma_residual(struct NCR5380_hostdata *hostdata) diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index 2cc42432bd..26043e05ca 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -38,6 +38,7 @@ #include #include #include +#include #include "mpi/mpi30_transport.h" #include "mpi/mpi30_cnfg.h" diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index a0d3e2eb8c..8f88e6e202 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -2411,6 +2411,17 @@ static int mpi3mr_prepare_sg_scmd(struct mpi3mr_ioc *mrioc, scmd->sc_data_direction); priv->meta_sg_valid = 1; /* To unmap meta sg DMA */ } else { + /* + * Some firmware versions byte-swap the REPORT ZONES command + * reply from ATA-ZAC devices by directly accessing in the host + * buffer. This does not respect the default command DMA + * direction and causes IOMMU page faults on some architectures + * with an IOMMU enforcing write mappings (e.g. AMD hosts). + * Avoid such issue by making the REPORT ZONES buffer mapping + * bi-directional. + */ + if (scmd->cmnd[0] == ZBC_IN && scmd->cmnd[1] == ZI_REPORT_ZONES) + scmd->sc_data_direction = DMA_BIDIRECTIONAL; sg_scmd = scsi_sglist(scmd); sges_left = scsi_dma_map(scmd); } @@ -3549,6 +3560,72 @@ static int mpi3mr_qcmd(struct Scsi_Host *shost, return retval; } +/** + * sas_ncq_prio_supported_show - Indicate if device supports NCQ priority + * @dev: pointer to embedded device + * @attr: sas_ncq_prio_supported attribute descriptor + * @buf: the buffer returned + * + * A sysfs 'read-only' sdev attribute, only works with SATA devices + */ +static ssize_t +sas_ncq_prio_supported_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct scsi_device *sdev = to_scsi_device(dev); + + return sysfs_emit(buf, "%d\n", sas_ata_ncq_prio_supported(sdev)); +} +static DEVICE_ATTR_RO(sas_ncq_prio_supported); + +/** + * sas_ncq_prio_enable_show - send prioritized io commands to device + * @dev: pointer to embedded device + * @attr: sas_ncq_prio_enable attribute descriptor + * @buf: the buffer returned + * + * A sysfs 'read/write' sdev attribute, only works with SATA devices + */ +static ssize_t +sas_ncq_prio_enable_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct scsi_device *sdev = to_scsi_device(dev); + struct mpi3mr_sdev_priv_data *sdev_priv_data = sdev->hostdata; + + if (!sdev_priv_data) + return 0; + + return sysfs_emit(buf, "%d\n", sdev_priv_data->ncq_prio_enable); +} + +static ssize_t +sas_ncq_prio_enable_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct scsi_device *sdev = to_scsi_device(dev); + struct mpi3mr_sdev_priv_data *sdev_priv_data = sdev->hostdata; + bool ncq_prio_enable = 0; + + if (kstrtobool(buf, &ncq_prio_enable)) + return -EINVAL; + + if (!sas_ata_ncq_prio_supported(sdev)) + return -EINVAL; + + sdev_priv_data->ncq_prio_enable = ncq_prio_enable; + + return strlen(buf); +} +static DEVICE_ATTR_RW(sas_ncq_prio_enable); + +static struct device_attribute *mpi3mr_dev_attrs[] = { + &dev_attr_sas_ncq_prio_supported, + &dev_attr_sas_ncq_prio_enable, + NULL, +}; + static struct scsi_host_template mpi3mr_driver_template = { .module = THIS_MODULE, .name = "MPI3 Storage Controller", @@ -3577,6 +3654,7 @@ static struct scsi_host_template mpi3mr_driver_template = { .cmd_per_lun = MPI3MR_MAX_CMDS_LUN, .track_queue_depth = 1, .cmd_size = sizeof(struct scmd_priv), + .sdev_attrs = mpi3mr_dev_attrs, }; /** diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 8325875bfc..0fc2c355fc 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -2672,6 +2672,22 @@ _base_build_zero_len_sge_ieee(struct MPT3SAS_ADAPTER *ioc, void *paddr) _base_add_sg_single_ieee(paddr, sgl_flags, 0, 0, -1); } +static inline int _base_scsi_dma_map(struct scsi_cmnd *cmd) +{ + /* + * Some firmware versions byte-swap the REPORT ZONES command reply from + * ATA-ZAC devices by directly accessing in the host buffer. This does + * not respect the default command DMA direction and causes IOMMU page + * faults on some architectures with an IOMMU enforcing write mappings + * (e.g. AMD hosts). Avoid such issue by making the report zones buffer + * mapping bi-directional. + */ + if (cmd->cmnd[0] == ZBC_IN && cmd->cmnd[1] == ZI_REPORT_ZONES) + cmd->sc_data_direction = DMA_BIDIRECTIONAL; + + return scsi_dma_map(cmd); +} + /** * _base_build_sg_scmd - main sg creation routine * pcie_device is unused here! @@ -2718,7 +2734,7 @@ _base_build_sg_scmd(struct MPT3SAS_ADAPTER *ioc, sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; sg_scmd = scsi_sglist(scmd); - sges_left = scsi_dma_map(scmd); + sges_left = _base_scsi_dma_map(scmd); if (sges_left < 0) return -ENOMEM; @@ -2862,7 +2878,7 @@ _base_build_sg_scmd_ieee(struct MPT3SAS_ADAPTER *ioc, } sg_scmd = scsi_sglist(scmd); - sges_left = scsi_dma_map(scmd); + sges_left = _base_scsi_dma_map(scmd); if (sges_left < 0) return -ENOMEM; @@ -8337,6 +8353,12 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc) ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8); if (ioc->facts.MaxDevHandle % 8) ioc->pd_handles_sz++; + /* + * pd_handles_sz should have, at least, the minimal room for + * set_bit()/test_bit(), otherwise out-of-memory touch may occur. + */ + ioc->pd_handles_sz = ALIGN(ioc->pd_handles_sz, sizeof(unsigned long)); + ioc->pd_handles = kzalloc(ioc->pd_handles_sz, GFP_KERNEL); if (!ioc->pd_handles) { @@ -8354,6 +8376,13 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc) ioc->pend_os_device_add_sz = (ioc->facts.MaxDevHandle / 8); if (ioc->facts.MaxDevHandle % 8) ioc->pend_os_device_add_sz++; + + /* + * pend_os_device_add_sz should have, at least, the minimal room for + * set_bit()/test_bit(), otherwise out-of-memory may occur. + */ + ioc->pend_os_device_add_sz = ALIGN(ioc->pend_os_device_add_sz, + sizeof(unsigned long)); ioc->pend_os_device_add = kzalloc(ioc->pend_os_device_add_sz, GFP_KERNEL); if (!ioc->pend_os_device_add) { @@ -8645,6 +8674,12 @@ _base_check_ioc_facts_changes(struct MPT3SAS_ADAPTER *ioc) if (ioc->facts.MaxDevHandle % 8) pd_handles_sz++; + /* + * pd_handles should have, at least, the minimal room for + * set_bit()/test_bit(), otherwise out-of-memory touch may + * occur. + */ + pd_handles_sz = ALIGN(pd_handles_sz, sizeof(unsigned long)); pd_handles = krealloc(ioc->pd_handles, pd_handles_sz, GFP_KERNEL); if (!pd_handles) { diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h index 0ff208a41a..60fd8192c0 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.h +++ b/drivers/scsi/mpt3sas/mpt3sas_base.h @@ -2010,9 +2010,6 @@ void mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, struct _raid_device *raid_device, Mpi25SCSIIORequest_t *mpi_request); -/* NCQ Prio Handling Check */ -bool scsih_ncq_prio_supp(struct scsi_device *sdev); - void mpt3sas_setup_debugfs(struct MPT3SAS_ADAPTER *ioc); void mpt3sas_destroy_debugfs(struct MPT3SAS_ADAPTER *ioc); void mpt3sas_init_debugfs(void); diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index 1b79f01f03..20336175c1 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c @@ -3933,7 +3933,7 @@ sas_ncq_prio_supported_show(struct device *dev, { struct scsi_device *sdev = to_scsi_device(dev); - return sysfs_emit(buf, "%d\n", scsih_ncq_prio_supp(sdev)); + return sysfs_emit(buf, "%d\n", sas_ata_ncq_prio_supported(sdev)); } static DEVICE_ATTR_RO(sas_ncq_prio_supported); @@ -3968,7 +3968,7 @@ sas_ncq_prio_enable_store(struct device *dev, if (kstrtobool(buf, &ncq_prio_enable)) return -EINVAL; - if (!scsih_ncq_prio_supp(sdev)) + if (!sas_ata_ncq_prio_supported(sdev)) return -EINVAL; sas_device_priv_data->ncq_prio_enable = ncq_prio_enable; diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index c9f8560534..bbef78608a 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -12580,31 +12580,6 @@ scsih_pci_mmio_enabled(struct pci_dev *pdev) return PCI_ERS_RESULT_RECOVERED; } -/** - * scsih_ncq_prio_supp - Check for NCQ command priority support - * @sdev: scsi device struct - * - * This is called when a user indicates they would like to enable - * ncq command priorities. This works only on SATA devices. - */ -bool scsih_ncq_prio_supp(struct scsi_device *sdev) -{ - unsigned char *buf; - bool ncq_prio_supp = false; - - if (!scsi_device_supports_vpd(sdev)) - return ncq_prio_supp; - - buf = kmalloc(SCSI_VPD_PG_LEN, GFP_KERNEL); - if (!buf) - return ncq_prio_supp; - - if (!scsi_get_vpd_page(sdev, 0x89, buf, SCSI_VPD_PG_LEN)) - ncq_prio_supp = (buf[213] >> 4) & 1; - - kfree(buf); - return ncq_prio_supp; -} /* * The pci device ids are defined in mpi/mpi2_cnfg.h. */ diff --git a/drivers/scsi/qedf/qedf.h b/drivers/scsi/qedf/qedf.h index ba94413fe2..1d457831f1 100644 --- a/drivers/scsi/qedf/qedf.h +++ b/drivers/scsi/qedf/qedf.h @@ -354,6 +354,7 @@ struct qedf_ctx { #define QEDF_IN_RECOVERY 5 #define QEDF_DBG_STOP_IO 6 #define QEDF_PROBING 8 +#define QEDF_STAG_IN_PROGRESS 9 unsigned long flags; /* Miscellaneous state flags */ int fipvlan_retries; u8 num_queues; diff --git a/drivers/scsi/qedf/qedf_io.c b/drivers/scsi/qedf/qedf_io.c index a1a1f4e466..450b2baf1f 100644 --- a/drivers/scsi/qedf/qedf_io.c +++ b/drivers/scsi/qedf/qedf_io.c @@ -2340,9 +2340,6 @@ static int qedf_execute_tmf(struct qedf_rport *fcport, struct scsi_cmnd *sc_cmd, io_req->fcport = fcport; io_req->cmd_type = QEDF_TASK_MGMT_CMD; - /* Record which cpu this request is associated with */ - io_req->cpu = smp_processor_id(); - /* Set TM flags */ io_req->io_req_flags = QEDF_READ; io_req->data_xfer_len = 0; @@ -2364,6 +2361,9 @@ static int qedf_execute_tmf(struct qedf_rport *fcport, struct scsi_cmnd *sc_cmd, spin_lock_irqsave(&fcport->rport_lock, flags); + /* Record which cpu this request is associated with */ + io_req->cpu = smp_processor_id(); + sqe_idx = qedf_get_sqe_idx(fcport); sqe = &fcport->sq[sqe_idx]; memset(sqe, 0, sizeof(struct fcoe_wqe)); diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index 18380a932a..690d3464f8 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -318,11 +318,18 @@ static struct fc_seq *qedf_elsct_send(struct fc_lport *lport, u32 did, */ if (resp == fc_lport_flogi_resp) { qedf->flogi_cnt++; + qedf->flogi_pending++; + + if (test_bit(QEDF_UNLOADING, &qedf->flags)) { + QEDF_ERR(&qedf->dbg_ctx, "Driver unloading\n"); + qedf->flogi_pending = 0; + } + if (qedf->flogi_pending >= QEDF_FLOGI_RETRY_CNT) { schedule_delayed_work(&qedf->stag_work, 2); return NULL; } - qedf->flogi_pending++; + return fc_elsct_send(lport, did, fp, op, qedf_flogi_resp, arg, timeout); } @@ -911,13 +918,14 @@ void qedf_ctx_soft_reset(struct fc_lport *lport) struct qedf_ctx *qedf; struct qed_link_output if_link; + qedf = lport_priv(lport); + if (lport->vport) { + clear_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags); printk_ratelimited("Cannot issue host reset on NPIV port.\n"); return; } - qedf = lport_priv(lport); - qedf->flogi_pending = 0; /* For host reset, essentially do a soft link up/down */ atomic_set(&qedf->link_state, QEDF_LINK_DOWN); @@ -937,6 +945,7 @@ void qedf_ctx_soft_reset(struct fc_lport *lport) if (!if_link.link_up) { QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC, "Physical link is not up.\n"); + clear_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags); return; } /* Flush and wait to make sure link down is processed */ @@ -949,6 +958,7 @@ void qedf_ctx_soft_reset(struct fc_lport *lport) "Queue link up work.\n"); queue_delayed_work(qedf->link_update_wq, &qedf->link_update, 0); + clear_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags); } /* Reset the host by gracefully logging out and then logging back in */ @@ -3467,6 +3477,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) } /* Start the Slowpath-process */ + memset(&slowpath_params, 0, sizeof(struct qed_slowpath_params)); slowpath_params.int_mode = QED_INT_MODE_MSIX; slowpath_params.drv_major = QEDF_DRIVER_MAJOR_VER; slowpath_params.drv_minor = QEDF_DRIVER_MINOR_VER; @@ -3725,6 +3736,7 @@ static void __qedf_remove(struct pci_dev *pdev, int mode) { struct qedf_ctx *qedf; int rc; + int cnt = 0; if (!pdev) { QEDF_ERR(NULL, "pdev is NULL.\n"); @@ -3742,6 +3754,17 @@ static void __qedf_remove(struct pci_dev *pdev, int mode) return; } +stag_in_prog: + if (test_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags)) { + QEDF_ERR(&qedf->dbg_ctx, "Stag in progress, cnt=%d.\n", cnt); + cnt++; + + if (cnt < 5) { + msleep(500); + goto stag_in_prog; + } + } + if (mode != QEDF_MODE_RECOVERY) set_bit(QEDF_UNLOADING, &qedf->flags); @@ -4001,6 +4024,24 @@ void qedf_stag_change_work(struct work_struct *work) struct qedf_ctx *qedf = container_of(work, struct qedf_ctx, stag_work.work); + if (!qedf) { + QEDF_ERR(&qedf->dbg_ctx, "qedf is NULL"); + return; + } + + if (test_bit(QEDF_IN_RECOVERY, &qedf->flags)) { + QEDF_ERR(&qedf->dbg_ctx, + "Already is in recovery, hence not calling software context reset.\n"); + return; + } + + if (test_bit(QEDF_UNLOADING, &qedf->flags)) { + QEDF_ERR(&qedf->dbg_ctx, "Driver unloading\n"); + return; + } + + set_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags); + printk_ratelimited("[%s]:[%s:%d]:%d: Performing software context reset.", dev_name(&qedf->pdev->dev), __func__, __LINE__, qedf->dbg_ctx.host_no); diff --git a/drivers/scsi/qedi/qedi_debugfs.c b/drivers/scsi/qedi/qedi_debugfs.c index 42f5afb600..6e724f47ab 100644 --- a/drivers/scsi/qedi/qedi_debugfs.c +++ b/drivers/scsi/qedi/qedi_debugfs.c @@ -120,15 +120,11 @@ static ssize_t qedi_dbg_do_not_recover_cmd_read(struct file *filp, char __user *buffer, size_t count, loff_t *ppos) { - size_t cnt = 0; - - if (*ppos) - return 0; + char buf[64]; + int len; - cnt = sprintf(buffer, "do_not_recover=%d\n", qedi_do_not_recover); - cnt = min_t(int, count, cnt - *ppos); - *ppos += cnt; - return cnt; + len = sprintf(buf, "do_not_recover=%d\n", qedi_do_not_recover); + return simple_read_from_buffer(buffer, count, ppos, buf, len); } static int diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index 5db43b6b76..0d922022a1 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -324,7 +324,7 @@ qla2x00_process_els(struct bsg_job *bsg_job) "request_sg_cnt=%x reply_sg_cnt=%x.\n", bsg_job->request_payload.sg_cnt, bsg_job->reply_payload.sg_cnt); - rval = -EPERM; + rval = -ENOBUFS; goto done; } @@ -2966,17 +2966,61 @@ qla24xx_bsg_request(struct bsg_job *bsg_job) return ret; } -int -qla24xx_bsg_timeout(struct bsg_job *bsg_job) +static bool qla_bsg_found(struct qla_qpair *qpair, struct bsg_job *bsg_job) { + bool found = false; struct fc_bsg_reply *bsg_reply = bsg_job->reply; scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job)); struct qla_hw_data *ha = vha->hw; - srb_t *sp; - int cnt, que; + srb_t *sp = NULL; + int cnt; unsigned long flags; struct req_que *req; + spin_lock_irqsave(qpair->qp_lock_ptr, flags); + req = qpair->req; + + for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) { + sp = req->outstanding_cmds[cnt]; + if (sp && + (sp->type == SRB_CT_CMD || + sp->type == SRB_ELS_CMD_HST || + sp->type == SRB_ELS_CMD_HST_NOLOGIN) && + sp->u.bsg_job == bsg_job) { + req->outstanding_cmds[cnt] = NULL; + spin_unlock_irqrestore(qpair->qp_lock_ptr, flags); + + if (!ha->flags.eeh_busy && ha->isp_ops->abort_command(sp)) { + ql_log(ql_log_warn, vha, 0x7089, + "mbx abort_command failed.\n"); + bsg_reply->result = -EIO; + } else { + ql_dbg(ql_dbg_user, vha, 0x708a, + "mbx abort_command success.\n"); + bsg_reply->result = 0; + } + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); + + found = true; + goto done; + } + } + spin_unlock_irqrestore(qpair->qp_lock_ptr, flags); + +done: + return found; +} + +int +qla24xx_bsg_timeout(struct bsg_job *bsg_job) +{ + struct fc_bsg_reply *bsg_reply = bsg_job->reply; + scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job)); + struct qla_hw_data *ha = vha->hw; + int i; + struct qla_qpair *qpair; + ql_log(ql_log_info, vha, 0x708b, "%s CMD timeout. bsg ptr %p.\n", __func__, bsg_job); @@ -2986,47 +3030,21 @@ qla24xx_bsg_timeout(struct bsg_job *bsg_job) qla_pci_set_eeh_busy(vha); } + if (qla_bsg_found(ha->base_qpair, bsg_job)) + goto done; + /* find the bsg job from the active list of commands */ - spin_lock_irqsave(&ha->hardware_lock, flags); - for (que = 0; que < ha->max_req_queues; que++) { - req = ha->req_q_map[que]; - if (!req) + for (i = 0; i < ha->max_qpairs; i++) { + qpair = vha->hw->queue_pair_map[i]; + if (!qpair) continue; - - for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) { - sp = req->outstanding_cmds[cnt]; - if (sp && - (sp->type == SRB_CT_CMD || - sp->type == SRB_ELS_CMD_HST || - sp->type == SRB_ELS_CMD_HST_NOLOGIN || - sp->type == SRB_FXIOCB_BCMD) && - sp->u.bsg_job == bsg_job) { - req->outstanding_cmds[cnt] = NULL; - spin_unlock_irqrestore(&ha->hardware_lock, flags); - - if (!ha->flags.eeh_busy && ha->isp_ops->abort_command(sp)) { - ql_log(ql_log_warn, vha, 0x7089, - "mbx abort_command failed.\n"); - bsg_reply->result = -EIO; - } else { - ql_dbg(ql_dbg_user, vha, 0x708a, - "mbx abort_command success.\n"); - bsg_reply->result = 0; - } - spin_lock_irqsave(&ha->hardware_lock, flags); - goto done; - - } - } + if (qla_bsg_found(qpair, bsg_job)) + goto done; } - spin_unlock_irqrestore(&ha->hardware_lock, flags); + ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n"); bsg_reply->result = -ENXIO; - return 0; done: - spin_unlock_irqrestore(&ha->hardware_lock, flags); - /* ref: INIT */ - kref_put(&sp->cmd_kref, qla2x00_sp_release); return 0; } diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 87ada9b447..9cec49e660 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -3264,6 +3264,8 @@ struct fab_scan_rp { struct fab_scan { struct fab_scan_rp *l; u32 size; + u32 rscn_gen_start; + u32 rscn_gen_end; u16 scan_retry; #define MAX_SCAN_RETRIES 5 enum scan_flags_t scan_flags; @@ -4971,6 +4973,7 @@ typedef struct scsi_qla_host { /* Counter to detect races between ELS and RSCN events */ atomic_t generation_tick; + atomic_t rscn_gen; /* Time when global fcport update has been scheduled */ int total_fcport_update_gen; /* List of pending LOGOs, protected by tgt_mutex */ diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index b0f3bf42c3..d0c3710b5c 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -1709,7 +1709,7 @@ qla2x00_hba_attributes(scsi_qla_host_t *vha, void *entries, eiter->type = cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION); alen = scnprintf( eiter->a.orom_version, sizeof(eiter->a.orom_version), - "%d.%02d", ha->bios_revision[1], ha->bios_revision[0]); + "%d.%02d", ha->efi_revision[1], ha->efi_revision[0]); alen += FDMI_ATTR_ALIGNMENT(alen); alen += FDMI_ATTR_TYPELEN(eiter); eiter->len = cpu_to_be16(alen); @@ -3464,6 +3464,29 @@ static int qla2x00_is_a_vp(scsi_qla_host_t *vha, u64 wwn) return rc; } +static bool qla_ok_to_clear_rscn(scsi_qla_host_t *vha, fc_port_t *fcport) +{ + u32 rscn_gen; + + rscn_gen = atomic_read(&vha->rscn_gen); + ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x2017, + "%s %d %8phC rscn_gen %x start %x end %x current %x\n", + __func__, __LINE__, fcport->port_name, fcport->rscn_gen, + vha->scan.rscn_gen_start, vha->scan.rscn_gen_end, rscn_gen); + + if (val_is_in_range(fcport->rscn_gen, vha->scan.rscn_gen_start, + vha->scan.rscn_gen_end)) + /* rscn came in before fabric scan */ + return true; + + if (val_is_in_range(fcport->rscn_gen, vha->scan.rscn_gen_end, rscn_gen)) + /* rscn came in after fabric scan */ + return false; + + /* rare: fcport's scan_needed + rscn_gen must be stale */ + return true; +} + void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp) { fc_port_t *fcport; @@ -3577,10 +3600,10 @@ void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp) (fcport->scan_needed && fcport->port_type != FCT_INITIATOR && fcport->port_type != FCT_NVME_INITIATOR)) { + fcport->scan_needed = 0; qlt_schedule_sess_for_deletion(fcport); } fcport->d_id.b24 = rp->id.b24; - fcport->scan_needed = 0; break; } @@ -3621,7 +3644,9 @@ void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp) do_delete = true; } - fcport->scan_needed = 0; + if (qla_ok_to_clear_rscn(vha, fcport)) + fcport->scan_needed = 0; + if (((qla_dual_mode_enabled(vha) || qla_ini_mode_enabled(vha)) && atomic_read(&fcport->state) == FCS_ONLINE) || @@ -3651,7 +3676,9 @@ void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp) fcport->port_name, fcport->loop_id, fcport->login_retry); } - fcport->scan_needed = 0; + + if (qla_ok_to_clear_rscn(vha, fcport)) + fcport->scan_needed = 0; qla24xx_fcport_handle_login(vha, fcport); } } diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 531e0ea872..214861459b 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1845,10 +1845,18 @@ int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id, return qla2x00_post_work(vha, e); } +static void qla_rscn_gen_tick(scsi_qla_host_t *vha, u32 *ret_rscn_gen) +{ + *ret_rscn_gen = atomic_inc_return(&vha->rscn_gen); + /* memory barrier */ + wmb(); +} + void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea) { fc_port_t *fcport; unsigned long flags; + u32 rscn_gen; switch (ea->id.b.rsvd_1) { case RSCN_PORT_ADDR: @@ -1877,15 +1885,16 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea) * Otherwise we're already in the middle of a relogin */ fcport->scan_needed = 1; - fcport->rscn_gen++; + qla_rscn_gen_tick(vha, &fcport->rscn_gen); } } else { fcport->scan_needed = 1; - fcport->rscn_gen++; + qla_rscn_gen_tick(vha, &fcport->rscn_gen); } } break; case RSCN_AREA_ADDR: + qla_rscn_gen_tick(vha, &rscn_gen); list_for_each_entry(fcport, &vha->vp_fcports, list) { if (fcport->flags & FCF_FCP2_DEVICE && atomic_read(&fcport->state) == FCS_ONLINE) @@ -1893,11 +1902,12 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea) if ((ea->id.b24 & 0xffff00) == (fcport->d_id.b24 & 0xffff00)) { fcport->scan_needed = 1; - fcport->rscn_gen++; + fcport->rscn_gen = rscn_gen; } } break; case RSCN_DOM_ADDR: + qla_rscn_gen_tick(vha, &rscn_gen); list_for_each_entry(fcport, &vha->vp_fcports, list) { if (fcport->flags & FCF_FCP2_DEVICE && atomic_read(&fcport->state) == FCS_ONLINE) @@ -1905,19 +1915,20 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea) if ((ea->id.b24 & 0xff0000) == (fcport->d_id.b24 & 0xff0000)) { fcport->scan_needed = 1; - fcport->rscn_gen++; + fcport->rscn_gen = rscn_gen; } } break; case RSCN_FAB_ADDR: default: + qla_rscn_gen_tick(vha, &rscn_gen); list_for_each_entry(fcport, &vha->vp_fcports, list) { if (fcport->flags & FCF_FCP2_DEVICE && atomic_read(&fcport->state) == FCS_ONLINE) continue; fcport->scan_needed = 1; - fcport->rscn_gen++; + fcport->rscn_gen = rscn_gen; } break; } @@ -1926,6 +1937,7 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea) if (vha->scan.scan_flags == 0) { ql_dbg(ql_dbg_disc, vha, 0xffff, "%s: schedule\n", __func__); vha->scan.scan_flags |= SF_QUEUED; + vha->scan.rscn_gen_start = atomic_read(&vha->rscn_gen); schedule_delayed_work(&vha->scan.scan_work, 5); } spin_unlock_irqrestore(&vha->work_lock, flags); @@ -6423,6 +6435,8 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) qlt_do_generation_tick(vha, &discovery_gen); if (USE_ASYNC_SCAN(ha)) { + /* start of scan begins here */ + vha->scan.rscn_gen_end = atomic_read(&vha->rscn_gen); rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI, NULL); if (rval) @@ -8282,15 +8296,21 @@ qla28xx_get_aux_images( struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status; bool valid_pri_image = false, valid_sec_image = false; bool active_pri_image = false, active_sec_image = false; + int rc; if (!ha->flt_region_aux_img_status_pri) { ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n"); goto check_sec_image; } - qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status, + rc = qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status, ha->flt_region_aux_img_status_pri, sizeof(pri_aux_image_status) >> 2); + if (rc) { + ql_log(ql_log_info, vha, 0x01a1, + "Unable to read Primary aux image(%x).\n", rc); + goto check_sec_image; + } qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status); if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) { @@ -8321,9 +8341,15 @@ qla28xx_get_aux_images( goto check_valid_image; } - qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status, + rc = qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status, ha->flt_region_aux_img_status_sec, sizeof(sec_aux_image_status) >> 2); + if (rc) { + ql_log(ql_log_info, vha, 0x01a2, + "Unable to read Secondary aux image(%x).\n", rc); + goto check_valid_image; + } + qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status); if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) { @@ -8380,6 +8406,7 @@ qla27xx_get_active_image(struct scsi_qla_host *vha, struct qla27xx_image_status pri_image_status, sec_image_status; bool valid_pri_image = false, valid_sec_image = false; bool active_pri_image = false, active_sec_image = false; + int rc; if (!ha->flt_region_img_status_pri) { ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n"); @@ -8421,8 +8448,14 @@ qla27xx_get_active_image(struct scsi_qla_host *vha, goto check_valid_image; } - qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status), + rc = qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status), ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2); + if (rc) { + ql_log(ql_log_info, vha, 0x01a3, + "Unable to read Secondary image status(%x).\n", rc); + goto check_valid_image; + } + qla27xx_print_image(vha, "Secondary image", &sec_image_status); if (qla27xx_check_image_status_signature(&sec_image_status)) { @@ -8494,11 +8527,10 @@ qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr, "FW: Loading firmware from flash (%x).\n", faddr); dcode = (uint32_t *)req->ring; - qla24xx_read_flash_data(vha, dcode, faddr, 8); - if (qla24xx_risc_firmware_invalid(dcode)) { + rval = qla24xx_read_flash_data(vha, dcode, faddr, 8); + if (rval || qla24xx_risc_firmware_invalid(dcode)) { ql_log(ql_log_fatal, vha, 0x008c, - "Unable to verify the integrity of flash firmware " - "image.\n"); + "Unable to verify the integrity of flash firmware image (rval %x).\n", rval); ql_log(ql_log_fatal, vha, 0x008d, "Firmware data: %08x %08x %08x %08x.\n", dcode[0], dcode[1], dcode[2], dcode[3]); @@ -8512,7 +8544,12 @@ qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr, for (j = 0; j < segments; j++) { ql_dbg(ql_dbg_init, vha, 0x008d, "-> Loading segment %u...\n", j); - qla24xx_read_flash_data(vha, dcode, faddr, 10); + rval = qla24xx_read_flash_data(vha, dcode, faddr, 10); + if (rval) { + ql_log(ql_log_fatal, vha, 0x016a, + "-> Unable to read segment addr + size .\n"); + return QLA_FUNCTION_FAILED; + } risc_addr = be32_to_cpu((__force __be32)dcode[2]); risc_size = be32_to_cpu((__force __be32)dcode[3]); if (!*srisc_addr) { @@ -8528,7 +8565,13 @@ qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr, ql_dbg(ql_dbg_init, vha, 0x008e, "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n", fragment, risc_addr, faddr, dlen); - qla24xx_read_flash_data(vha, dcode, faddr, dlen); + rval = qla24xx_read_flash_data(vha, dcode, faddr, dlen); + if (rval) { + ql_log(ql_log_fatal, vha, 0x016b, + "-> Unable to read fragment(faddr %#x dlen %#lx).\n", + faddr, dlen); + return QLA_FUNCTION_FAILED; + } for (i = 0; i < dlen; i++) dcode[i] = swab32(dcode[i]); @@ -8557,7 +8600,14 @@ qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr, fwdt->length = 0; dcode = (uint32_t *)req->ring; - qla24xx_read_flash_data(vha, dcode, faddr, 7); + + rval = qla24xx_read_flash_data(vha, dcode, faddr, 7); + if (rval) { + ql_log(ql_log_fatal, vha, 0x016c, + "-> Unable to read template size.\n"); + goto failed; + } + risc_size = be32_to_cpu((__force __be32)dcode[2]); ql_dbg(ql_dbg_init, vha, 0x0161, "-> fwdt%u template array at %#x (%#x dwords)\n", @@ -8583,11 +8633,12 @@ qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr, } dcode = fwdt->template; - qla24xx_read_flash_data(vha, dcode, faddr, risc_size); + rval = qla24xx_read_flash_data(vha, dcode, faddr, risc_size); - if (!qla27xx_fwdt_template_valid(dcode)) { + if (rval || !qla27xx_fwdt_template_valid(dcode)) { ql_log(ql_log_warn, vha, 0x0165, - "-> fwdt%u failed template validate\n", j); + "-> fwdt%u failed template validate (rval %x)\n", + j, rval); goto failed; } diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h index a4a56ab0ba..ef4b3cc1cd 100644 --- a/drivers/scsi/qla2xxx/qla_inline.h +++ b/drivers/scsi/qla2xxx/qla_inline.h @@ -631,3 +631,11 @@ static inline int qla_mapq_alloc_qp_cpu_map(struct qla_hw_data *ha) } return 0; } + +static inline bool val_is_in_range(u32 val, u32 start, u32 end) +{ + if (val >= start && val <= end) + return true; + else + return false; +} diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index eb43a5f1b3..aa6aaf7f6b 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -180,7 +180,7 @@ qla24xx_disable_vp(scsi_qla_host_t *vha) atomic_set(&vha->loop_state, LOOP_DOWN); atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); list_for_each_entry(fcport, &vha->vp_fcports, list) - fcport->logout_on_delete = 0; + fcport->logout_on_delete = 1; if (!vha->hw->flags.edif_enabled) qla2x00_wait_for_sess_deletion(vha); diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index 088e84042e..9746f6debd 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -27,7 +27,10 @@ int qla_nvme_register_remote(struct scsi_qla_host *vha, struct fc_port *fcport) return 0; } - if (!vha->nvme_local_port && qla_nvme_register_hba(vha)) + if (qla_nvme_register_hba(vha)) + return 0; + + if (!vha->nvme_local_port) return 0; if (!(fcport->nvme_prli_service_param & diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index f418d43ee8..24714acfc2 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1861,14 +1861,9 @@ __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res) for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) { sp = req->outstanding_cmds[cnt]; if (sp) { - /* - * perform lockless completion during driver unload - */ if (qla2x00_chip_is_down(vha)) { req->outstanding_cmds[cnt] = NULL; - spin_unlock_irqrestore(qp->qp_lock_ptr, flags); sp->done(sp, res); - spin_lock_irqsave(qp->qp_lock_ptr, flags); continue; } @@ -4634,7 +4629,7 @@ static void qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt) { u32 temp; - struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb; + struct init_cb_81xx *icb = (struct init_cb_81xx *)vha->hw->init_cb; *ret_cnt = FW_DEF_EXCHANGES_CNT; if (max_cnt > vha->hw->max_exchg) diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c index c092a6b1ce..6d16546e17 100644 --- a/drivers/scsi/qla2xxx/qla_sup.c +++ b/drivers/scsi/qla2xxx/qla_sup.c @@ -555,6 +555,7 @@ qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start) struct qla_flt_location *fltl = (void *)req->ring; uint32_t *dcode = (uint32_t *)req->ring; uint8_t *buf = (void *)req->ring, *bcode, last_image; + int rc; /* * FLT-location structure resides after the last PCI region. @@ -584,14 +585,24 @@ qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start) pcihdr = 0; do { /* Verify PCI expansion ROM header. */ - qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20); + rc = qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20); + if (rc) { + ql_log(ql_log_info, vha, 0x016d, + "Unable to read PCI Expansion Rom Header (%x).\n", rc); + return QLA_FUNCTION_FAILED; + } bcode = buf + (pcihdr % 4); if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa) goto end; /* Locate PCI data structure. */ pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]); - qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20); + rc = qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20); + if (rc) { + ql_log(ql_log_info, vha, 0x0179, + "Unable to read PCI Data Structure (%x).\n", rc); + return QLA_FUNCTION_FAILED; + } bcode = buf + (pcihdr % 4); /* Validate signature of PCI data structure. */ @@ -606,7 +617,12 @@ qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start) } while (!last_image); /* Now verify FLT-location structure. */ - qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, sizeof(*fltl) >> 2); + rc = qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, sizeof(*fltl) >> 2); + if (rc) { + ql_log(ql_log_info, vha, 0x017a, + "Unable to read FLT (%x).\n", rc); + return QLA_FUNCTION_FAILED; + } if (memcmp(fltl->sig, "QFLT", 4)) goto end; @@ -2605,13 +2621,18 @@ qla24xx_read_optrom_data(struct scsi_qla_host *vha, void *buf, uint32_t offset, uint32_t length) { struct qla_hw_data *ha = vha->hw; + int rc; /* Suspend HBA. */ scsi_block_requests(vha->host); set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags); /* Go with read. */ - qla24xx_read_flash_data(vha, buf, offset >> 2, length >> 2); + rc = qla24xx_read_flash_data(vha, buf, offset >> 2, length >> 2); + if (rc) { + ql_log(ql_log_info, vha, 0x01a0, + "Unable to perform optrom read(%x).\n", rc); + } /* Resume HBA. */ clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags); @@ -3412,7 +3433,7 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf) struct active_regions active_regions = { }; if (IS_P3P_TYPE(ha)) - return ret; + return QLA_SUCCESS; if (!mbuf) return QLA_FUNCTION_FAILED; @@ -3432,20 +3453,31 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf) do { /* Verify PCI expansion ROM header. */ - qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20); + ret = qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20); + if (ret) { + ql_log(ql_log_info, vha, 0x017d, + "Unable to read PCI EXP Rom Header(%x).\n", ret); + return QLA_FUNCTION_FAILED; + } + bcode = mbuf + (pcihdr % 4); if (memcmp(bcode, "\x55\xaa", 2)) { /* No signature */ ql_log(ql_log_fatal, vha, 0x0059, "No matching ROM signature.\n"); - ret = QLA_FUNCTION_FAILED; - break; + return QLA_FUNCTION_FAILED; } /* Locate PCI data structure. */ pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]); - qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20); + ret = qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20); + if (ret) { + ql_log(ql_log_info, vha, 0x018e, + "Unable to read PCI Data Structure (%x).\n", ret); + return QLA_FUNCTION_FAILED; + } + bcode = mbuf + (pcihdr % 4); /* Validate signature of PCI data structure. */ @@ -3454,8 +3486,7 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf) ql_log(ql_log_fatal, vha, 0x005a, "PCI data struct not found pcir_adr=%x.\n", pcids); ql_dump_buffer(ql_dbg_init, vha, 0x0059, dcode, 32); - ret = QLA_FUNCTION_FAILED; - break; + return QLA_FUNCTION_FAILED; } /* Read version */ @@ -3507,20 +3538,26 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf) faddr = ha->flt_region_fw_sec; } - qla24xx_read_flash_data(vha, dcode, faddr, 8); - if (qla24xx_risc_firmware_invalid(dcode)) { - ql_log(ql_log_warn, vha, 0x005f, - "Unrecognized fw revision at %x.\n", - ha->flt_region_fw * 4); - ql_dump_buffer(ql_dbg_init, vha, 0x005f, dcode, 32); + ret = qla24xx_read_flash_data(vha, dcode, faddr, 8); + if (ret) { + ql_log(ql_log_info, vha, 0x019e, + "Unable to read FW version (%x).\n", ret); + return ret; } else { - for (i = 0; i < 4; i++) - ha->fw_revision[i] = + if (qla24xx_risc_firmware_invalid(dcode)) { + ql_log(ql_log_warn, vha, 0x005f, + "Unrecognized fw revision at %x.\n", + ha->flt_region_fw * 4); + ql_dump_buffer(ql_dbg_init, vha, 0x005f, dcode, 32); + } else { + for (i = 0; i < 4; i++) + ha->fw_revision[i] = be32_to_cpu((__force __be32)dcode[4+i]); - ql_dbg(ql_dbg_init, vha, 0x0060, - "Firmware revision (flash) %u.%u.%u (%x).\n", - ha->fw_revision[0], ha->fw_revision[1], - ha->fw_revision[2], ha->fw_revision[3]); + ql_dbg(ql_dbg_init, vha, 0x0060, + "Firmware revision (flash) %u.%u.%u (%x).\n", + ha->fw_revision[0], ha->fw_revision[1], + ha->fw_revision[2], ha->fw_revision[3]); + } } /* Check for golden firmware and get version if available */ @@ -3531,18 +3568,23 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf) memset(ha->gold_fw_version, 0, sizeof(ha->gold_fw_version)); faddr = ha->flt_region_gold_fw; - qla24xx_read_flash_data(vha, dcode, ha->flt_region_gold_fw, 8); - if (qla24xx_risc_firmware_invalid(dcode)) { - ql_log(ql_log_warn, vha, 0x0056, - "Unrecognized golden fw at %#x.\n", faddr); - ql_dump_buffer(ql_dbg_init, vha, 0x0056, dcode, 32); + ret = qla24xx_read_flash_data(vha, dcode, ha->flt_region_gold_fw, 8); + if (ret) { + ql_log(ql_log_info, vha, 0x019f, + "Unable to read Gold FW version (%x).\n", ret); return ret; - } - - for (i = 0; i < 4; i++) - ha->gold_fw_version[i] = - be32_to_cpu((__force __be32)dcode[4+i]); + } else { + if (qla24xx_risc_firmware_invalid(dcode)) { + ql_log(ql_log_warn, vha, 0x0056, + "Unrecognized golden fw at %#x.\n", faddr); + ql_dump_buffer(ql_dbg_init, vha, 0x0056, dcode, 32); + return QLA_FUNCTION_FAILED; + } + for (i = 0; i < 4; i++) + ha->gold_fw_version[i] = + be32_to_cpu((__force __be32)dcode[4+i]); + } return ret; } diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 0389bf281f..2d37790321 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1949,9 +1949,13 @@ int scsi_mq_setup_tags(struct Scsi_Host *shost) return blk_mq_alloc_tag_set(tag_set); } -void scsi_mq_destroy_tags(struct Scsi_Host *shost) +void scsi_mq_free_tags(struct kref *kref) { + struct Scsi_Host *shost = container_of(kref, typeof(*shost), + tagset_refcnt); + blk_mq_free_tag_set(&shost->tag_set); + complete(&shost->tagset_freed); } /** diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index b650407690..b531dec3d4 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -95,7 +95,7 @@ extern void scsi_run_host_queues(struct Scsi_Host *shost); extern void scsi_requeue_run_queue(struct work_struct *work); extern void scsi_start_queue(struct scsi_device *sdev); extern int scsi_mq_setup_tags(struct Scsi_Host *shost); -extern void scsi_mq_destroy_tags(struct Scsi_Host *shost); +extern void scsi_mq_free_tags(struct kref *kref); extern void scsi_exit_queue(void); extern void scsi_evt_thread(struct work_struct *work); diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 86c10edbb5..9c155d5768 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -324,6 +324,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget, kfree(sdev); goto out; } + kref_get(&sdev->host->tagset_refcnt); sdev->request_queue = q; q->queuedata = sdev; __scsi_init_queue(sdev->host, q); diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 774864b54b..4c72116c86 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -1490,6 +1490,7 @@ void __scsi_remove_device(struct scsi_device *sdev) mutex_unlock(&sdev->state_mutex); blk_cleanup_queue(sdev->request_queue); + kref_put(&sdev->host->tagset_refcnt, scsi_mq_free_tags); cancel_work_sync(&sdev->requeue_work); if (sdev->host->hostt->slave_destroy) diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index a252410620..fbe2036ca6 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -1250,7 +1250,7 @@ static ssize_t fc_rport_set_marginal_state(struct device *dev, */ if (rport->port_state == FC_PORTSTATE_ONLINE) rport->port_state = port_state; - else + else if (port_state != rport->port_state) return -EINVAL; } else if (port_state == FC_PORTSTATE_ONLINE) { /* @@ -1260,7 +1260,7 @@ static ssize_t fc_rport_set_marginal_state(struct device *dev, */ if (rport->port_state == FC_PORTSTATE_MARGINAL) rport->port_state = port_state; - else + else if (port_state != rport->port_state) return -EINVAL; } else return -EINVAL; diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index c6256fdc24..8649608fae 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -410,6 +410,35 @@ unsigned int sas_is_tlr_enabled(struct scsi_device *sdev) } EXPORT_SYMBOL_GPL(sas_is_tlr_enabled); +/** + * sas_ata_ncq_prio_supported - Check for ATA NCQ command priority support + * @sdev: SCSI device + * + * Check if an ATA device supports NCQ priority using VPD page 89h (ATA + * Information). Since this VPD page is implemented only for ATA devices, + * this function always returns false for SCSI devices. + */ +bool sas_ata_ncq_prio_supported(struct scsi_device *sdev) +{ + unsigned char *buf; + bool ncq_prio_supported = false; + + if (!scsi_device_supports_vpd(sdev)) + return false; + + buf = kmalloc(SCSI_VPD_PG_LEN, GFP_KERNEL); + if (!buf) + return false; + + if (!scsi_get_vpd_page(sdev, 0x89, buf, SCSI_VPD_PG_LEN)) + ncq_prio_supported = (buf[213] >> 4) & 1; + + kfree(buf); + + return ncq_prio_supported; +} +EXPORT_SYMBOL_GPL(sas_ata_ncq_prio_supported); + /* * SAS Phy attributes */ diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c index bd72c38d7b..5c43d0ec95 100644 --- a/drivers/scsi/scsi_transport_spi.c +++ b/drivers/scsi/scsi_transport_spi.c @@ -677,10 +677,10 @@ spi_dv_device_echo_buffer(struct scsi_device *sdev, u8 *buffer, for (r = 0; r < retries; r++) { result = spi_execute(sdev, spi_write_buffer, DMA_TO_DEVICE, buffer, len, &sshdr); - if(result || !scsi_device_online(sdev)) { + if (result || !scsi_device_online(sdev)) { scsi_device_set_state(sdev, SDEV_QUIESCE); - if (scsi_sense_valid(&sshdr) + if (result > 0 && scsi_sense_valid(&sshdr) && sshdr.sense_key == ILLEGAL_REQUEST /* INVALID FIELD IN CDB */ && sshdr.asc == 0x24 && sshdr.ascq == 0x00) diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index ed06798983..00791a42b8 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -168,8 +168,7 @@ static void *sd_zbc_alloc_report_buffer(struct scsi_disk *sdkp, bufsize = min_t(size_t, bufsize, queue_max_segments(q) << PAGE_SHIFT); while (bufsize >= SECTOR_SIZE) { - buf = __vmalloc(bufsize, - GFP_KERNEL | __GFP_ZERO | __GFP_NORETRY); + buf = kvzalloc(bufsize, GFP_KERNEL | __GFP_NORETRY); if (buf) { *buflen = bufsize; return buf; diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index e3d8de1159..dc6b003cd8 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -5646,7 +5646,7 @@ static bool pqi_is_parity_write_stream(struct pqi_ctrl_info *ctrl_info, int rc; struct pqi_scsi_dev *device; struct pqi_stream_data *pqi_stream_data; - struct pqi_scsi_dev_raid_map_data rmd; + struct pqi_scsi_dev_raid_map_data rmd = { 0 }; if (!ctrl_info->enable_stream_detection) return false; diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c index f7f724a3ff..5b28dd7ebd 100644 --- a/drivers/scsi/sun3_scsi.c +++ b/drivers/scsi/sun3_scsi.c @@ -334,7 +334,7 @@ static int sun3scsi_dma_residual(struct NCR5380_hostdata *hostdata) static int sun3scsi_dma_xfer_len(struct NCR5380_hostdata *hostdata, struct scsi_cmnd *cmd) { - int wanted_len = cmd->SCp.this_residual; + int wanted_len = NCR5380_to_ncmd(cmd)->this_residual; if (wanted_len < DMA_MIN_SIZE || blk_rq_is_passthrough(scsi_cmd_to_rq(cmd))) return 0; diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index b7abf1f641..e199abc4e6 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -3795,11 +3795,16 @@ static inline void ufshcd_add_delay_before_dme_cmd(struct ufs_hba *hba) min_sleep_time_us = MIN_DELAY_BEFORE_DME_CMDS_US - delta; else - return; /* no more delay required */ + min_sleep_time_us = 0; /* no more delay required */ } - /* allow sleep for extra 50us if needed */ - usleep_range(min_sleep_time_us, min_sleep_time_us + 50); + if (min_sleep_time_us > 0) { + /* allow sleep for extra 50us if needed */ + usleep_range(min_sleep_time_us, min_sleep_time_us + 50); + } + + /* update the last_dme_cmd_tstamp */ + hba->last_dme_cmd_tstamp = ktime_get(); } /** diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c index b4803f2fde..6cb5e3956f 100644 --- a/drivers/soc/qcom/cmd-db.c +++ b/drivers/soc/qcom/cmd-db.c @@ -350,7 +350,7 @@ static int cmd_db_dev_probe(struct platform_device *pdev) return -EINVAL; } - cmd_db_header = memremap(rmem->base, rmem->size, MEMREMAP_WB); + cmd_db_header = memremap(rmem->base, rmem->size, MEMREMAP_WC); if (!cmd_db_header) { ret = -ENOMEM; cmd_db_header = NULL; diff --git a/drivers/soc/qcom/pdr_interface.c b/drivers/soc/qcom/pdr_interface.c index 915d5bc3d4..e20d97d7fb 100644 --- a/drivers/soc/qcom/pdr_interface.c +++ b/drivers/soc/qcom/pdr_interface.c @@ -76,12 +76,12 @@ static int pdr_locator_new_server(struct qmi_handle *qmi, locator_hdl); struct pdr_service *pds; + mutex_lock(&pdr->lock); /* Create a local client port for QMI communication */ pdr->locator_addr.sq_family = AF_QIPCRTR; pdr->locator_addr.sq_node = svc->node; pdr->locator_addr.sq_port = svc->port; - mutex_lock(&pdr->lock); pdr->locator_init_complete = true; mutex_unlock(&pdr->lock); @@ -104,10 +104,10 @@ static void pdr_locator_del_server(struct qmi_handle *qmi, mutex_lock(&pdr->lock); pdr->locator_init_complete = false; - mutex_unlock(&pdr->lock); pdr->locator_addr.sq_node = 0; pdr->locator_addr.sq_port = 0; + mutex_unlock(&pdr->lock); } static const struct qmi_ops pdr_locator_ops = { @@ -366,12 +366,14 @@ static int pdr_get_domain_list(struct servreg_get_domain_list_req *req, if (ret < 0) return ret; + mutex_lock(&pdr->lock); ret = qmi_send_request(&pdr->locator_hdl, &pdr->locator_addr, &txn, SERVREG_GET_DOMAIN_LIST_REQ, SERVREG_GET_DOMAIN_LIST_REQ_MAX_LEN, servreg_get_domain_list_req_ei, req); + mutex_unlock(&pdr->lock); if (ret < 0) { qmi_txn_cancel(&txn); return ret; @@ -416,7 +418,7 @@ static int pdr_locate_service(struct pdr_handle *pdr, struct pdr_service *pds) if (ret < 0) goto out; - for (i = domains_read; i < resp->domain_list_len; i++) { + for (i = 0; i < resp->domain_list_len; i++) { entry = &resp->domain_list[i]; if (strnlen(entry->name, sizeof(entry->name)) == sizeof(entry->name)) diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c index b722e28d9e..4c9400cf66 100644 --- a/drivers/soc/qcom/rpmh-rsc.c +++ b/drivers/soc/qcom/rpmh-rsc.c @@ -608,13 +608,14 @@ int rpmh_rsc_send_data(struct rsc_drv *drv, const struct tcs_request *msg) { struct tcs_group *tcs; int tcs_id; - unsigned long flags; + + might_sleep(); tcs = get_tcs_for_msg(drv, msg); if (IS_ERR(tcs)) return PTR_ERR(tcs); - spin_lock_irqsave(&drv->lock, flags); + spin_lock_irq(&drv->lock); /* Wait forever for a free tcs. It better be there eventually! */ wait_event_lock_irq(drv->tcs_wait, @@ -632,7 +633,7 @@ int rpmh_rsc_send_data(struct rsc_drv *drv, const struct tcs_request *msg) write_tcs_reg_sync(drv, RSC_DRV_CMD_ENABLE, tcs_id, 0); enable_tcs_irq(drv, tcs_id, true); } - spin_unlock_irqrestore(&drv->lock, flags); + spin_unlock_irq(&drv->lock); /* * These two can be done after the lock is released because: diff --git a/drivers/soc/qcom/rpmh.c b/drivers/soc/qcom/rpmh.c index 01765ee9cd..c6df7ac0af 100644 --- a/drivers/soc/qcom/rpmh.c +++ b/drivers/soc/qcom/rpmh.c @@ -189,7 +189,6 @@ static int __rpmh_write(const struct device *dev, enum rpmh_state state, } if (state == RPMH_ACTIVE_ONLY_STATE) { - WARN_ON(irqs_disabled()); ret = rpmh_rsc_send_data(ctrlr_to_drv(ctrlr), &rpm_msg->msg); } else { /* Clean up our call by spoofing tx_done */ diff --git a/drivers/soc/ti/ti_sci_pm_domains.c b/drivers/soc/ti/ti_sci_pm_domains.c index a33ec7eaf2..17984a7bff 100644 --- a/drivers/soc/ti/ti_sci_pm_domains.c +++ b/drivers/soc/ti/ti_sci_pm_domains.c @@ -114,6 +114,18 @@ static const struct of_device_id ti_sci_pm_domain_matches[] = { }; MODULE_DEVICE_TABLE(of, ti_sci_pm_domain_matches); +static bool ti_sci_pm_idx_exists(struct ti_sci_genpd_provider *pd_provider, u32 idx) +{ + struct ti_sci_pm_domain *pd; + + list_for_each_entry(pd, &pd_provider->pd_list, node) { + if (pd->idx == idx) + return true; + } + + return false; +} + static int ti_sci_pm_domain_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -153,8 +165,14 @@ static int ti_sci_pm_domain_probe(struct platform_device *pdev) break; if (args.args_count >= 1 && args.np == dev->of_node) { - if (args.args[0] > max_id) + if (args.args[0] > max_id) { max_id = args.args[0]; + } else { + if (ti_sci_pm_idx_exists(pd_provider, args.args[0])) { + index++; + continue; + } + } pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL); if (!pd) diff --git a/drivers/soc/ti/wkup_m3_ipc.c b/drivers/soc/ti/wkup_m3_ipc.c index 8b3ff44fd9..967c40059a 100644 --- a/drivers/soc/ti/wkup_m3_ipc.c +++ b/drivers/soc/ti/wkup_m3_ipc.c @@ -14,7 +14,6 @@ #include #include #include -#include #include #include #include @@ -151,7 +150,6 @@ static irqreturn_t wkup_m3_txev_handler(int irq, void *ipc_data) static int wkup_m3_ping(struct wkup_m3_ipc *m3_ipc) { struct device *dev = m3_ipc->dev; - mbox_msg_t dummy_msg = 0; int ret; if (!m3_ipc->mbox) { @@ -167,7 +165,7 @@ static int wkup_m3_ping(struct wkup_m3_ipc *m3_ipc) * the RX callback to avoid multiple interrupts being received * by the CM3. */ - ret = mbox_send_message(m3_ipc->mbox, &dummy_msg); + ret = mbox_send_message(m3_ipc->mbox, NULL); if (ret < 0) { dev_err(dev, "%s: mbox_send_message() failed: %d\n", __func__, ret); @@ -189,7 +187,6 @@ static int wkup_m3_ping(struct wkup_m3_ipc *m3_ipc) static int wkup_m3_ping_noirq(struct wkup_m3_ipc *m3_ipc) { struct device *dev = m3_ipc->dev; - mbox_msg_t dummy_msg = 0; int ret; if (!m3_ipc->mbox) { @@ -198,7 +195,7 @@ static int wkup_m3_ping_noirq(struct wkup_m3_ipc *m3_ipc) return -EIO; } - ret = mbox_send_message(m3_ipc->mbox, &dummy_msg); + ret = mbox_send_message(m3_ipc->mbox, NULL); if (ret < 0) { dev_err(dev, "%s: mbox_send_message() failed: %d\n", __func__, ret); diff --git a/drivers/soc/versatile/soc-integrator.c b/drivers/soc/versatile/soc-integrator.c index bab4ad87aa..d5099a3386 100644 --- a/drivers/soc/versatile/soc-integrator.c +++ b/drivers/soc/versatile/soc-integrator.c @@ -113,6 +113,7 @@ static int __init integrator_soc_init(void) return -ENODEV; syscon_regmap = syscon_node_to_regmap(np); + of_node_put(np); if (IS_ERR(syscon_regmap)) return PTR_ERR(syscon_regmap); diff --git a/drivers/soc/versatile/soc-realview.c b/drivers/soc/versatile/soc-realview.c index c6876d232d..cf91abe07d 100644 --- a/drivers/soc/versatile/soc-realview.c +++ b/drivers/soc/versatile/soc-realview.c @@ -4,6 +4,7 @@ * * Author: Linus Walleij */ +#include #include #include #include @@ -81,6 +82,13 @@ static struct attribute *realview_attrs[] = { ATTRIBUTE_GROUPS(realview); +static void realview_soc_socdev_release(void *data) +{ + struct soc_device *soc_dev = data; + + soc_device_unregister(soc_dev); +} + static int realview_soc_probe(struct platform_device *pdev) { struct regmap *syscon_regmap; @@ -93,7 +101,7 @@ static int realview_soc_probe(struct platform_device *pdev) if (IS_ERR(syscon_regmap)) return PTR_ERR(syscon_regmap); - soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL); + soc_dev_attr = devm_kzalloc(&pdev->dev, sizeof(*soc_dev_attr), GFP_KERNEL); if (!soc_dev_attr) return -ENOMEM; @@ -106,10 +114,14 @@ static int realview_soc_probe(struct platform_device *pdev) soc_dev_attr->family = "Versatile"; soc_dev_attr->custom_attr_group = realview_groups[0]; soc_dev = soc_device_register(soc_dev_attr); - if (IS_ERR(soc_dev)) { - kfree(soc_dev_attr); + if (IS_ERR(soc_dev)) return -ENODEV; - } + + ret = devm_add_action_or_reset(&pdev->dev, realview_soc_socdev_release, + soc_dev); + if (ret) + return ret; + ret = regmap_read(syscon_regmap, REALVIEW_SYS_ID_OFFSET, &realview_coreid); if (ret) diff --git a/drivers/soc/xilinx/zynqmp_pm_domains.c b/drivers/soc/xilinx/zynqmp_pm_domains.c index 226d343f0a..81e8e10f10 100644 --- a/drivers/soc/xilinx/zynqmp_pm_domains.c +++ b/drivers/soc/xilinx/zynqmp_pm_domains.c @@ -152,11 +152,17 @@ static int zynqmp_gpd_power_off(struct generic_pm_domain *domain) static int zynqmp_gpd_attach_dev(struct generic_pm_domain *domain, struct device *dev) { + struct device_link *link; int ret; struct zynqmp_pm_domain *pd; pd = container_of(domain, struct zynqmp_pm_domain, gpd); + link = device_link_add(dev, &domain->dev, DL_FLAG_SYNC_STATE_ONLY); + if (!link) + dev_dbg(&domain->dev, "failed to create device link for %s\n", + dev_name(dev)); + /* If this is not the first device to attach there is nothing to do */ if (domain->device_count) return 0; @@ -299,9 +305,19 @@ static int zynqmp_gpd_remove(struct platform_device *pdev) return 0; } +static void zynqmp_gpd_sync_state(struct device *dev) +{ + int ret; + + ret = zynqmp_pm_init_finalize(); + if (ret) + dev_warn(dev, "failed to release power management to firmware\n"); +} + static struct platform_driver zynqmp_power_domain_driver = { .driver = { .name = "zynqmp_power_controller", + .sync_state = zynqmp_gpd_sync_state, }, .probe = zynqmp_gpd_probe, .remove = zynqmp_gpd_remove, diff --git a/drivers/soc/xilinx/zynqmp_power.c b/drivers/soc/xilinx/zynqmp_power.c index c556623dae..2653d29ba8 100644 --- a/drivers/soc/xilinx/zynqmp_power.c +++ b/drivers/soc/xilinx/zynqmp_power.c @@ -178,8 +178,9 @@ static int zynqmp_pm_probe(struct platform_device *pdev) u32 pm_api_version; struct mbox_client *client; - zynqmp_pm_init_finalize(); - zynqmp_pm_get_api_version(&pm_api_version); + ret = zynqmp_pm_get_api_version(&pm_api_version); + if (ret) + return ret; /* Check PM API version number */ if (pm_api_version < ZYNQMP_PM_VERSION) diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c index 147199002d..695ac74571 100644 --- a/drivers/spi/spi-bcm63xx.c +++ b/drivers/spi/spi-bcm63xx.c @@ -476,12 +476,14 @@ static const struct platform_device_id bcm63xx_spi_dev_match[] = { { }, }; +MODULE_DEVICE_TABLE(platform, bcm63xx_spi_dev_match); static const struct of_device_id bcm63xx_spi_of_match[] = { { .compatible = "brcm,bcm6348-spi", .data = &bcm6348_spi_reg_offsets }, { .compatible = "brcm,bcm6358-spi", .data = &bcm6358_spi_reg_offsets }, { }, }; +MODULE_DEVICE_TABLE(of, bcm63xx_spi_of_match); static int bcm63xx_spi_probe(struct platform_device *pdev) { @@ -593,13 +595,15 @@ static int bcm63xx_spi_probe(struct platform_device *pdev) bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS); - pm_runtime_enable(&pdev->dev); + ret = devm_pm_runtime_enable(&pdev->dev); + if (ret) + goto out_clk_disable; /* register and we are done */ ret = devm_spi_register_master(dev, master); if (ret) { dev_err(dev, "spi register failed\n"); - goto out_pm_disable; + goto out_clk_disable; } dev_info(dev, "at %pr (irq %d, FIFOs size %d)\n", @@ -607,8 +611,6 @@ static int bcm63xx_spi_probe(struct platform_device *pdev) return 0; -out_pm_disable: - pm_runtime_disable(&pdev->dev); out_clk_disable: clk_disable_unprepare(clk); out_err: diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index c5ff6e8c45..8ab3105ae8 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -297,7 +297,7 @@ static void fsl_lpspi_set_watermark(struct fsl_lpspi_data *fsl_lpspi) static int fsl_lpspi_set_bitrate(struct fsl_lpspi_data *fsl_lpspi) { struct lpspi_config config = fsl_lpspi->config; - unsigned int perclk_rate, scldiv; + unsigned int perclk_rate, scldiv, div; u8 prescale; perclk_rate = clk_get_rate(fsl_lpspi->clk_per); @@ -308,8 +308,10 @@ static int fsl_lpspi_set_bitrate(struct fsl_lpspi_data *fsl_lpspi) return -EINVAL; } + div = DIV_ROUND_UP(perclk_rate, config.speed_hz); + for (prescale = 0; prescale < 8; prescale++) { - scldiv = perclk_rate / config.speed_hz / (1 << prescale) - 2; + scldiv = div / (1 << prescale) - 2; if (scldiv < 256) { fsl_lpspi->config.prescale = prescale; break; @@ -917,8 +919,8 @@ static int fsl_lpspi_probe(struct platform_device *pdev) ret = devm_spi_register_controller(&pdev->dev, controller); if (ret < 0) { - dev_err(&pdev->dev, "spi_register_controller error.\n"); - goto out_pm_get; + dev_err_probe(&pdev->dev, ret, "spi_register_controller error\n"); + goto free_dma; } pm_runtime_mark_last_busy(fsl_lpspi->dev); @@ -926,6 +928,8 @@ static int fsl_lpspi_probe(struct platform_device *pdev) return 0; +free_dma: + fsl_lpspi_dma_exit(controller); out_pm_get: pm_runtime_dont_use_autosuspend(fsl_lpspi->dev); pm_runtime_put_sync(fsl_lpspi->dev); @@ -942,6 +946,9 @@ static int fsl_lpspi_remove(struct platform_device *pdev) struct fsl_lpspi_data *fsl_lpspi = spi_controller_get_devdata(controller); + fsl_lpspi_dma_exit(controller); + + pm_runtime_dont_use_autosuspend(fsl_lpspi->dev); pm_runtime_disable(fsl_lpspi->dev); return 0; } diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index f201653931..f22b867b8c 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -1016,7 +1016,7 @@ static struct spi_imx_devtype_data imx35_cspi_devtype_data = { .rx_available = mx31_rx_available, .reset = mx31_reset, .fifo_size = 8, - .has_dmamode = true, + .has_dmamode = false, .dynamic_burst = false, .has_slavemode = false, .devtype = IMX35_CSPI, @@ -1761,8 +1761,8 @@ static int spi_imx_probe(struct platform_device *pdev) spi_imx_sdma_exit(spi_imx); out_runtime_pm_put: pm_runtime_dont_use_autosuspend(spi_imx->dev); - pm_runtime_set_suspended(&pdev->dev); pm_runtime_disable(spi_imx->dev); + pm_runtime_set_suspended(&pdev->dev); clk_disable_unprepare(spi_imx->clk_ipg); out_put_per: diff --git a/drivers/spi/spi-mux.c b/drivers/spi/spi-mux.c index f5d32ec463..e1af2d8ed5 100644 --- a/drivers/spi/spi-mux.c +++ b/drivers/spi/spi-mux.c @@ -156,6 +156,7 @@ static int spi_mux_probe(struct spi_device *spi) /* supported modes are the same as our parent's */ ctlr->mode_bits = spi->controller->mode_bits; ctlr->flags = spi->controller->flags; + ctlr->bits_per_word_mask = spi->controller->bits_per_word_mask; ctlr->transfer_one_message = spi_mux_transfer_one_message; ctlr->setup = spi_mux_setup; ctlr->num_chipselect = mux_control_states(priv->mux); diff --git a/drivers/spi/spi-nxp-fspi.c b/drivers/spi/spi-nxp-fspi.c index 45961249c9..0b8f7f2dcd 100644 --- a/drivers/spi/spi-nxp-fspi.c +++ b/drivers/spi/spi-nxp-fspi.c @@ -754,14 +754,15 @@ static void nxp_fspi_fill_txfifo(struct nxp_fspi *f, if (i < op->data.nbytes) { u32 data = 0; int j; + int remaining = op->data.nbytes - i; /* Wait for TXFIFO empty */ ret = fspi_readl_poll_tout(f, f->iobase + FSPI_INTR, FSPI_INTR_IPTXWE, 0, POLL_TOUT, true); WARN_ON(ret); - for (j = 0; j < ALIGN(op->data.nbytes - i, 4); j += 4) { - memcpy(&data, buf + i + j, 4); + for (j = 0; j < ALIGN(remaining, 4); j += 4) { + memcpy(&data, buf + i + j, min_t(int, 4, remaining - j)); fspi_writel(f, data, base + FSPI_TFDR + j); } fspi_writel(f, FSPI_INTR_IPTXWE, base + FSPI_INTR); diff --git a/drivers/spi/spi-ppc4xx.c b/drivers/spi/spi-ppc4xx.c index 1179a11151..be1dd4e6a3 100644 --- a/drivers/spi/spi-ppc4xx.c +++ b/drivers/spi/spi-ppc4xx.c @@ -26,7 +26,6 @@ #include #include #include -#include #include #include #include @@ -410,7 +409,11 @@ static int spi_ppc4xx_of_probe(struct platform_device *op) } /* Request IRQ */ - hw->irqnum = irq_of_parse_and_map(np, 0); + ret = platform_get_irq(op, 0); + if (ret < 0) + goto free_host; + hw->irqnum = ret; + ret = request_irq(hw->irqnum, spi_ppc4xx_int, 0, "spi_ppc4xx_of", (void *)hw); if (ret) { diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 90c70d53e8..246a40b492 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -216,7 +216,7 @@ static void s3c64xx_flush_fifo(struct s3c64xx_spi_driver_data *sdd) loops = msecs_to_loops(1); do { val = readl(regs + S3C64XX_SPI_STATUS); - } while (TX_FIFO_LVL(val, sdd) && loops--); + } while (TX_FIFO_LVL(val, sdd) && --loops); if (loops == 0) dev_warn(&sdd->pdev->dev, "Timed out flushing TX FIFO\n"); @@ -229,7 +229,7 @@ static void s3c64xx_flush_fifo(struct s3c64xx_spi_driver_data *sdd) readl(regs + S3C64XX_SPI_RX_DATA); else break; - } while (loops--); + } while (--loops); if (loops == 0) dev_warn(&sdd->pdev->dev, "Timed out flushing RX FIFO\n"); diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 922d778df0..2ea29fb819 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -8,19 +8,18 @@ */ #include -#include #include #include #include #include #include #include +#include +#include #include +#include #include #include -#include -#include -#include #include #include @@ -683,7 +682,9 @@ static const struct file_operations spidev_fops = { static struct class *spidev_class; static const struct spi_device_id spidev_spi_ids[] = { + { .name = "bh2228fv" }, { .name = "dh2228fv" }, + { .name = "jg10309-01" }, { .name = "ltc2488" }, { .name = "sx1301" }, { .name = "bk4" }, @@ -691,29 +692,46 @@ static const struct spi_device_id spidev_spi_ids[] = { { .name = "m53cpld" }, { .name = "spi-petra" }, { .name = "spi-authenta" }, + { .name = "em3581" }, {}, }; MODULE_DEVICE_TABLE(spi, spidev_spi_ids); -#ifdef CONFIG_OF +/* + * spidev should never be referenced in DT without a specific compatible string, + * it is a Linux implementation thing rather than a description of the hardware. + */ +static int spidev_of_check(struct device *dev) +{ + if (device_property_match_string(dev, "compatible", "spidev") < 0) + return 0; + + dev_err(dev, "spidev listed directly in DT is not supported\n"); + return -EINVAL; +} + static const struct of_device_id spidev_dt_ids[] = { - { .compatible = "rohm,dh2228fv" }, - { .compatible = "lineartechnology,ltc2488" }, - { .compatible = "semtech,sx1301" }, - { .compatible = "lwn,bk4" }, - { .compatible = "dh,dhcom-board" }, - { .compatible = "menlo,m53cpld" }, - { .compatible = "cisco,spi-petra" }, - { .compatible = "micron,spi-authenta" }, + { .compatible = "cisco,spi-petra", .data = &spidev_of_check }, + { .compatible = "dh,dhcom-board", .data = &spidev_of_check }, + { .compatible = "elgin,jg10309-01", .data = &spidev_of_check }, + { .compatible = "lineartechnology,ltc2488", .data = &spidev_of_check }, + { .compatible = "lwn,bk4", .data = &spidev_of_check }, + { .compatible = "menlo,m53cpld", .data = &spidev_of_check }, + { .compatible = "micron,spi-authenta", .data = &spidev_of_check }, + { .compatible = "rohm,bh2228fv", .data = &spidev_of_check }, + { .compatible = "rohm,dh2228fv", .data = &spidev_of_check }, + { .compatible = "semtech,sx1301", .data = &spidev_of_check }, + { .compatible = "silabs,em3581", .data = &spidev_of_check }, {}, }; MODULE_DEVICE_TABLE(of, spidev_dt_ids); -#endif - -#ifdef CONFIG_ACPI /* Dummy SPI devices not to be used in production systems */ -#define SPIDEV_ACPI_DUMMY 1 +static int spidev_acpi_check(struct device *dev) +{ + dev_warn(dev, "do not use this driver in production systems!\n"); + return 0; +} static const struct acpi_device_id spidev_acpi_ids[] = { /* @@ -722,49 +740,28 @@ static const struct acpi_device_id spidev_acpi_ids[] = { * description of the connected peripheral and they should also use * a proper driver instead of poking directly to the SPI bus. */ - { "SPT0001", SPIDEV_ACPI_DUMMY }, - { "SPT0002", SPIDEV_ACPI_DUMMY }, - { "SPT0003", SPIDEV_ACPI_DUMMY }, + { "SPT0001", (kernel_ulong_t)&spidev_acpi_check }, + { "SPT0002", (kernel_ulong_t)&spidev_acpi_check }, + { "SPT0003", (kernel_ulong_t)&spidev_acpi_check }, {}, }; MODULE_DEVICE_TABLE(acpi, spidev_acpi_ids); -static void spidev_probe_acpi(struct spi_device *spi) -{ - const struct acpi_device_id *id; - - if (!has_acpi_companion(&spi->dev)) - return; - - id = acpi_match_device(spidev_acpi_ids, &spi->dev); - if (WARN_ON(!id)) - return; - - if (id->driver_data == SPIDEV_ACPI_DUMMY) - dev_warn(&spi->dev, "do not use this driver in production systems!\n"); -} -#else -static inline void spidev_probe_acpi(struct spi_device *spi) {} -#endif - /*-------------------------------------------------------------------------*/ static int spidev_probe(struct spi_device *spi) { + int (*match)(struct device *dev); struct spidev_data *spidev; int status; unsigned long minor; - /* - * spidev should never be referenced in DT without a specific - * compatible string, it is a Linux implementation thing - * rather than a description of the hardware. - */ - WARN(spi->dev.of_node && - of_device_is_compatible(spi->dev.of_node, "spidev"), - "%pOF: buggy DT: spidev listed directly in DT\n", spi->dev.of_node); - - spidev_probe_acpi(spi); + match = device_get_match_data(&spi->dev); + if (match) { + status = match(&spi->dev); + if (status) + return status; + } /* Allocate driver data */ spidev = kzalloc(sizeof(*spidev), GFP_KERNEL); @@ -835,8 +832,8 @@ static int spidev_remove(struct spi_device *spi) static struct spi_driver spidev_spi_driver = { .driver = { .name = "spidev", - .of_match_table = of_match_ptr(spidev_dt_ids), - .acpi_match_table = ACPI_PTR(spidev_acpi_ids), + .of_match_table = spidev_dt_ids, + .acpi_match_table = spidev_acpi_ids, }, .probe = spidev_probe, .remove = spidev_remove, diff --git a/drivers/spmi/hisi-spmi-controller.c b/drivers/spmi/hisi-spmi-controller.c index 5bd23262ab..6f065159f3 100644 --- a/drivers/spmi/hisi-spmi-controller.c +++ b/drivers/spmi/hisi-spmi-controller.c @@ -303,7 +303,6 @@ static int spmi_controller_probe(struct platform_device *pdev) spin_lock_init(&spmi_controller->lock); - ctrl->nr = spmi_controller->channel; ctrl->dev.parent = pdev->dev.parent; ctrl->dev.of_node = of_node_get(pdev->dev.of_node); diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index 8a93c83cb6..d52e91258e 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -837,7 +837,7 @@ static u32 clkfactor_f6_resolve(u32 v) case SSB_CHIPCO_CLK_F6_7: return 7; } - return 0; + return 1; } /* Calculate the speed the backplane would run at a given set of clockcontrol values */ diff --git a/drivers/staging/iio/frequency/ad9832.c b/drivers/staging/iio/frequency/ad9832.c index 3f1981e287..60f4f57aab 100644 --- a/drivers/staging/iio/frequency/ad9832.c +++ b/drivers/staging/iio/frequency/ad9832.c @@ -129,12 +129,15 @@ static unsigned long ad9832_calc_freqreg(unsigned long mclk, unsigned long fout) static int ad9832_write_frequency(struct ad9832_state *st, unsigned int addr, unsigned long fout) { + unsigned long clk_freq; unsigned long regval; - if (fout > (clk_get_rate(st->mclk) / 2)) + clk_freq = clk_get_rate(st->mclk); + + if (!clk_freq || fout > (clk_freq / 2)) return -EINVAL; - regval = ad9832_calc_freqreg(clk_get_rate(st->mclk), fout); + regval = ad9832_calc_freqreg(clk_freq, fout); st->freq_data[0] = cpu_to_be16((AD9832_CMD_FRE8BITSW << CMD_SHIFT) | (addr << ADD_SHIFT) | diff --git a/drivers/staging/iio/frequency/ad9834.c b/drivers/staging/iio/frequency/ad9834.c index 94b131ef8a..d78454deed 100644 --- a/drivers/staging/iio/frequency/ad9834.c +++ b/drivers/staging/iio/frequency/ad9834.c @@ -114,7 +114,7 @@ static int ad9834_write_frequency(struct ad9834_state *st, clk_freq = clk_get_rate(st->mclk); - if (fout > (clk_freq / 2)) + if (!clk_freq || fout > (clk_freq / 2)) return -EINVAL; regval = ad9834_calc_freqreg(clk_freq, fout); diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index a19cfb2998..f19bb5c796 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -658,9 +658,6 @@ static int ad2s1210_probe(struct spi_device *spi) if (!indio_dev) return -ENOMEM; st = iio_priv(indio_dev); - ret = ad2s1210_setup_gpios(st); - if (ret < 0) - return ret; spi_set_drvdata(spi, indio_dev); @@ -671,6 +668,10 @@ static int ad2s1210_probe(struct spi_device *spi) st->resolution = 12; st->fexcit = AD2S1210_DEF_EXCIT; + ret = ad2s1210_setup_gpios(st); + if (ret < 0) + return ret; + indio_dev->info = &ad2s1210_info; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->channels = ad2s1210_channels; diff --git a/drivers/staging/ks7010/ks7010_sdio.c b/drivers/staging/ks7010/ks7010_sdio.c index 98d759e7cc..a4f3a7a794 100644 --- a/drivers/staging/ks7010/ks7010_sdio.c +++ b/drivers/staging/ks7010/ks7010_sdio.c @@ -395,9 +395,9 @@ int ks_wlan_hw_tx(struct ks_wlan_private *priv, void *p, unsigned long size, priv->hostt.buff[priv->hostt.qtail] = le16_to_cpu(hdr->event); priv->hostt.qtail = (priv->hostt.qtail + 1) % SME_EVENT_BUFF_SIZE; - spin_lock(&priv->tx_dev.tx_dev_lock); + spin_lock_bh(&priv->tx_dev.tx_dev_lock); result = enqueue_txdev(priv, p, size, complete_handler, skb); - spin_unlock(&priv->tx_dev.tx_dev_lock); + spin_unlock_bh(&priv->tx_dev.tx_dev_lock); if (txq_has_space(priv)) queue_delayed_work(priv->wq, &priv->rw_dwork, 0); diff --git a/drivers/staging/media/atomisp/pci/sh_css_frac.h b/drivers/staging/media/atomisp/pci/sh_css_frac.h index 8f08df5c88..569a2f59e5 100644 --- a/drivers/staging/media/atomisp/pci/sh_css_frac.h +++ b/drivers/staging/media/atomisp/pci/sh_css_frac.h @@ -30,12 +30,24 @@ #define uISP_VAL_MAX ((unsigned int)((1 << uISP_REG_BIT) - 1)) /* a:fraction bits for 16bit precision, b:fraction bits for ISP precision */ -#define sDIGIT_FITTING(v, a, b) \ - min_t(int, max_t(int, (((v) >> sSHIFT) >> max(sFRACTION_BITS_FITTING(a) - (b), 0)), \ - sISP_VAL_MIN), sISP_VAL_MAX) -#define uDIGIT_FITTING(v, a, b) \ - min((unsigned int)max((unsigned)(((v) >> uSHIFT) \ - >> max((int)(uFRACTION_BITS_FITTING(a) - (b)), 0)), \ - uISP_VAL_MIN), uISP_VAL_MAX) +static inline int sDIGIT_FITTING(int v, int a, int b) +{ + int fit_shift = sFRACTION_BITS_FITTING(a) - b; + + v >>= sSHIFT; + v >>= fit_shift > 0 ? fit_shift : 0; + + return clamp_t(int, v, sISP_VAL_MIN, sISP_VAL_MAX); +} + +static inline unsigned int uDIGIT_FITTING(unsigned int v, int a, int b) +{ + int fit_shift = uFRACTION_BITS_FITTING(a) - b; + + v >>= uSHIFT; + v >>= fit_shift > 0 ? fit_shift : 0; + + return clamp_t(unsigned int, v, uISP_VAL_MIN, uISP_VAL_MAX); +} #endif /* __SH_CSS_FRAC_H */ diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index d4185c1bed..1fcac654cf 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -724,7 +724,7 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name) dev->queues = kcalloc(nr_cpu_ids, sizeof(*dev->queues), GFP_KERNEL); if (!dev->queues) { - dev->transport->free_device(dev); + hba->backend->ops->free_device(dev); return NULL; } diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index 1e8e9dd3f4..7a467b1f90 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -2129,7 +2129,7 @@ static int tcmu_netlink_event_send(struct tcmu_dev *udev, } ret = genlmsg_multicast_allns(&tcmu_genl_family, skb, 0, - TCMU_MCGRP_CONFIG, GFP_KERNEL); + TCMU_MCGRP_CONFIG); /* Wait during an add as the listener may not be up yet */ if (ret == 0 || diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c index b4bcd3fe9e..f1c65eae8c 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c @@ -237,26 +237,26 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_ INIT_DELAYED_WORK(&pci_info->work, proc_thermal_threshold_work_fn); - ret = proc_thermal_add(&pdev->dev, proc_priv); - if (ret) { - dev_err(&pdev->dev, "error: proc_thermal_add, will continue\n"); - pci_info->no_legacy = 1; - } - proc_priv->priv_data = pci_info; pci_info->proc_priv = proc_priv; pci_set_drvdata(pdev, proc_priv); ret = proc_thermal_mmio_add(pdev, proc_priv, id->driver_data); if (ret) - goto err_ret_thermal; + return ret; + + ret = proc_thermal_add(&pdev->dev, proc_priv); + if (ret) { + dev_err(&pdev->dev, "error: proc_thermal_add, will continue\n"); + pci_info->no_legacy = 1; + } pci_info->tzone = thermal_zone_device_register("TCPU_PCI", 1, 1, pci_info, &tzone_ops, &tzone_params, 0, 0); if (IS_ERR(pci_info->tzone)) { ret = PTR_ERR(pci_info->tzone); - goto err_ret_mmio; + goto err_del_legacy; } /* request and enable interrupt */ @@ -283,12 +283,10 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_ pci_free_irq_vectors(pdev); err_ret_tzone: thermal_zone_device_unregister(pci_info->tzone); -err_ret_mmio: - proc_thermal_mmio_remove(pdev, proc_priv); -err_ret_thermal: +err_del_legacy: if (!pci_info->no_legacy) proc_thermal_remove(proc_priv); - pci_disable_device(pdev); + proc_thermal_mmio_remove(pdev, proc_priv); return ret; } @@ -310,7 +308,6 @@ static void proc_thermal_pci_remove(struct pci_dev *pdev) proc_thermal_mmio_remove(pdev, pci_info->proc_priv); if (!pci_info->no_legacy) proc_thermal_remove(proc_priv); - pci_disable_device(pdev); } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/thermal/qcom/lmh.c b/drivers/thermal/qcom/lmh.c index 36f0e92d92..9006e01e18 100644 --- a/drivers/thermal/qcom/lmh.c +++ b/drivers/thermal/qcom/lmh.c @@ -71,7 +71,14 @@ static struct irq_chip lmh_irq_chip = { static int lmh_irq_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) { struct lmh_hw_data *lmh_data = d->host_data; + static struct lock_class_key lmh_lock_key; + static struct lock_class_key lmh_request_key; + /* + * This lock class tells lockdep that GPIO irqs are in a different + * category than their parents, so it won't report false recursion. + */ + irq_set_lockdep_class(irq, &lmh_lock_key, &lmh_request_key); irq_set_chip_and_handler(irq, &lmh_irq_chip, handle_simple_irq); irq_set_chip_data(irq, lmh_data); diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index fdfed54e62..b9bdbc8b7b 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -2877,6 +2877,7 @@ void tb_switch_remove(struct tb_switch *sw) tb_switch_remove(port->remote->sw); port->remote = NULL; } else if (port->xdomain) { + port->xdomain->is_unplugged = true; tb_xdomain_remove(port->xdomain); port->xdomain = NULL; } diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c index 48769e0597..a38820a1c5 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -41,8 +41,50 @@ #define PCI_DEVICE_ID_COMMTECH_4228PCIE 0x0021 #define PCI_DEVICE_ID_COMMTECH_4222PCIE 0x0022 +#define PCI_VENDOR_ID_CONNECT_TECH 0x12c4 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2_SP_OPTO 0x0340 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_SP_OPTO_A 0x0341 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_SP_OPTO_B 0x0342 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2_XPRS 0x0350 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_XPRS_A 0x0351 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_XPRS_B 0x0352 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8_XPRS 0x0353 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_16_XPRS_A 0x0354 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_16_XPRS_B 0x0355 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2_XPRS_OPTO 0x0360 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_XPRS_OPTO_A 0x0361 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_XPRS_OPTO_B 0x0362 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8_SP 0x0370 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8_SP_232 0x0371 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8_SP_485 0x0372 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_4_SP 0x0373 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_6_2_SP 0x0374 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2_6_SP 0x0375 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8_SP_232_NS 0x0376 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2_XP_OPTO_LEFT 0x0380 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2_XP_OPTO_RIGHT 0x0381 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_XP_OPTO 0x0382 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_4_XPRS_OPTO 0x0392 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8_XPRS_LP 0x03A0 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8_XPRS_LP_232 0x03A1 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8_XPRS_LP_485 0x03A2 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8_XPRS_LP_232_NS 0x03A3 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCIE_XEG001 0x0602 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCIE_XR35X_BASE 0x1000 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCIE_XR35X_2 0x1002 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCIE_XR35X_4 0x1004 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCIE_XR35X_8 0x1008 +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCIE_XR35X_12 0x100C +#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCIE_XR35X_16 0x1010 +#define PCI_DEVICE_ID_CONNECT_TECH_PCI_XR79X_12_XIG00X 0x110c +#define PCI_DEVICE_ID_CONNECT_TECH_PCI_XR79X_12_XIG01X 0x110d +#define PCI_DEVICE_ID_CONNECT_TECH_PCI_XR79X_16 0x1110 + #define PCI_DEVICE_ID_EXAR_XR17V4358 0x4358 #define PCI_DEVICE_ID_EXAR_XR17V8358 0x8358 +#define PCI_DEVICE_ID_EXAR_XR17V252 0x0252 +#define PCI_DEVICE_ID_EXAR_XR17V254 0x0254 +#define PCI_DEVICE_ID_EXAR_XR17V258 0x0258 #define PCI_SUBDEVICE_ID_USR_2980 0x0128 #define PCI_SUBDEVICE_ID_USR_2981 0x0129 diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index 770c4cabdf..1f389670df 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -159,6 +159,10 @@ static u32 uart_read(struct omap8250_priv *priv, u32 reg) return readl(priv->membase + (reg << OMAP_UART_REGSHIFT)); } +/* Timeout low and High */ +#define UART_OMAP_TO_L 0x26 +#define UART_OMAP_TO_H 0x27 + /* * Called on runtime PM resume path from omap8250_restore_regs(), and * omap8250_set_mctrl(). @@ -642,13 +646,25 @@ static irqreturn_t omap8250_irq(int irq, void *dev_id) /* * On K3 SoCs, it is observed that RX TIMEOUT is signalled after - * FIFO has been drained, in which case a dummy read of RX FIFO - * is required to clear RX TIMEOUT condition. + * FIFO has been drained or erroneously. + * So apply solution of Errata i2310 as mentioned in + * https://www.ti.com/lit/pdf/sprz536 */ if (priv->habit & UART_RX_TIMEOUT_QUIRK && (iir & UART_IIR_RX_TIMEOUT) == UART_IIR_RX_TIMEOUT && serial_port_in(port, UART_OMAP_RX_LVL) == 0) { - serial_port_in(port, UART_RX); + unsigned char efr2, timeout_h, timeout_l; + + efr2 = serial_in(up, UART_OMAP_EFR2); + timeout_h = serial_in(up, UART_OMAP_TO_H); + timeout_l = serial_in(up, UART_OMAP_TO_L); + serial_out(up, UART_OMAP_TO_H, 0xFF); + serial_out(up, UART_OMAP_TO_L, 0xFF); + serial_out(up, UART_OMAP_EFR2, UART_OMAP_EFR2_TIMEOUT_BEHAVE); + serial_in(up, UART_IIR); + serial_out(up, UART_OMAP_EFR2, efr2); + serial_out(up, UART_OMAP_TO_H, timeout_h); + serial_out(up, UART_OMAP_TO_L, timeout_l); } /* Stop processing interrupts on input overrun */ diff --git a/drivers/tty/serial/8250/8250_pxa.c b/drivers/tty/serial/8250/8250_pxa.c index 33ca98bfa5..0780f5d7be 100644 --- a/drivers/tty/serial/8250/8250_pxa.c +++ b/drivers/tty/serial/8250/8250_pxa.c @@ -125,6 +125,7 @@ static int serial_pxa_probe(struct platform_device *pdev) uart.port.regshift = 2; uart.port.irq = irq; uart.port.fifosize = 64; + uart.tx_loadsz = 32; uart.port.flags = UPF_IOREMAP | UPF_SKIP_TEST | UPF_FIXED_TYPE; uart.port.dev = &pdev->dev; uart.port.uartclk = clk_get_rate(data->clk); diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 0587beaaea..b9ef426d5a 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include @@ -2024,7 +2025,7 @@ imx_uart_console_write(struct console *co, const char *s, unsigned int count) struct imx_port *sport = imx_uart_ports[co->index]; struct imx_port_ucrs old_ucr; unsigned long flags; - unsigned int ucr1; + unsigned int ucr1, usr2; int locked = 1; if (sport->port.sysrq) @@ -2055,8 +2056,8 @@ imx_uart_console_write(struct console *co, const char *s, unsigned int count) * Finally, wait for transmitter to become empty * and restore UCR1/2/3 */ - while (!(imx_uart_readl(sport, USR2) & USR2_TXDC)); - + read_poll_timeout_atomic(imx_uart_readl, usr2, usr2 & USR2_TXDC, + 0, USEC_PER_SEC, false, sport, USR2); imx_uart_ucrs_restore(sport, &old_ucr); if (locked) diff --git a/drivers/tty/serial/mcf.c b/drivers/tty/serial/mcf.c index c7cec7d036..f6ea3b65cd 100644 --- a/drivers/tty/serial/mcf.c +++ b/drivers/tty/serial/mcf.c @@ -477,7 +477,7 @@ static const struct uart_ops mcf_uart_ops = { .verify_port = mcf_verify_port, }; -static struct mcf_uart mcf_ports[4]; +static struct mcf_uart mcf_ports[10]; #define MCF_MAXPORTS ARRAY_SIZE(mcf_ports) diff --git a/drivers/tty/serial/rp2.c b/drivers/tty/serial/rp2.c index 6689d8add8..c0a8f83d9c 100644 --- a/drivers/tty/serial/rp2.c +++ b/drivers/tty/serial/rp2.c @@ -598,8 +598,8 @@ static void rp2_reset_asic(struct rp2_card *card, unsigned int asic_id) u32 clk_cfg; writew(1, base + RP2_GLOBAL_CMD); - readw(base + RP2_GLOBAL_CMD); msleep(100); + readw(base + RP2_GLOBAL_CMD); writel(0, base + RP2_CLK_PRESCALER); /* TDM clock configuration */ diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 35f8675db1..d274a847c6 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -490,16 +490,28 @@ static bool sc16is7xx_regmap_noinc(struct device *dev, unsigned int reg) return reg == SC16IS7XX_RHR_REG; } +/* + * Configure programmable baud rate generator (divisor) according to the + * desired baud rate. + * + * From the datasheet, the divisor is computed according to: + * + * XTAL1 input frequency + * ----------------------- + * prescaler + * divisor = --------------------------- + * baud-rate x sampling-rate + */ static int sc16is7xx_set_baud(struct uart_port *port, int baud) { struct sc16is7xx_port *s = dev_get_drvdata(port->dev); u8 lcr; - u8 prescaler = 0; + unsigned int prescaler = 1; unsigned long clk = port->uartclk, div = clk / 16 / baud; - if (div > 0xffff) { - prescaler = SC16IS7XX_MCR_CLKSEL_BIT; - div /= 4; + if (div >= BIT(16)) { + prescaler = 4; + div /= prescaler; } /* In an amazing feat of design, the Enhanced Features Register shares @@ -534,9 +546,10 @@ static int sc16is7xx_set_baud(struct uart_port *port, int baud) mutex_unlock(&s->efr_lock); + /* If bit MCR_CLKSEL is set, the divide by 4 prescaler is activated. */ sc16is7xx_port_update(port, SC16IS7XX_MCR_REG, SC16IS7XX_MCR_CLKSEL_BIT, - prescaler); + prescaler == 1 ? 0 : SC16IS7XX_MCR_CLKSEL_BIT); /* Open the LCR divisors for configuration */ sc16is7xx_port_write(port, SC16IS7XX_LCR_REG, @@ -551,7 +564,7 @@ static int sc16is7xx_set_baud(struct uart_port *port, int baud) /* Put LCR back to the normal mode */ sc16is7xx_port_write(port, SC16IS7XX_LCR_REG, lcr); - return DIV_ROUND_CLOSEST(clk / 16, div); + return DIV_ROUND_CLOSEST((clk / prescaler) / 16, div); } static void sc16is7xx_handle_rx(struct uart_port *port, unsigned int rxlen, diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index b638b2fd2d..404354727d 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -286,14 +286,16 @@ static void uart_shutdown(struct tty_struct *tty, struct uart_state *state) /* * Turn off DTR and RTS early. */ - if (uport && uart_console(uport) && tty) { - uport->cons->cflag = tty->termios.c_cflag; - uport->cons->ispeed = tty->termios.c_ispeed; - uport->cons->ospeed = tty->termios.c_ospeed; - } + if (uport) { + if (uart_console(uport) && tty) { + uport->cons->cflag = tty->termios.c_cflag; + uport->cons->ispeed = tty->termios.c_ispeed; + uport->cons->ospeed = tty->termios.c_ospeed; + } - if (!tty || C_HUPCL(tty)) - uart_port_dtr_rts(uport, 0); + if (!tty || C_HUPCL(tty)) + uart_port_dtr_rts(uport, 0); + } uart_port_shutdown(port); } @@ -836,6 +838,14 @@ static int uart_set_info(struct tty_struct *tty, struct tty_port *port, new_flags = (__force upf_t)new_info->flags; old_custom_divisor = uport->custom_divisor; + if (!(uport->flags & UPF_FIXED_PORT)) { + unsigned int uartclk = new_info->baud_base * 16; + /* check needs to be done here before other settings made */ + if (uartclk == 0) { + retval = -EINVAL; + goto exit; + } + } if (!capable(CAP_SYS_ADMIN)) { retval = -EPERM; if (change_irq || change_port || diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index 3b7d4481ed..c20f8917eb 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -220,66 +220,60 @@ static int stm32_usart_init_rs485(struct uart_port *port, return uart_get_rs485_mode(port); } -static int stm32_usart_pending_rx(struct uart_port *port, u32 *sr, - int *last_res, bool threaded) +static bool stm32_usart_rx_dma_enabled(struct uart_port *port) { struct stm32_port *stm32_port = to_stm32_port(port); const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs; - enum dma_status status; - struct dma_tx_state state; - *sr = readl_relaxed(port->membase + ofs->isr); + if (!stm32_port->rx_ch) + return false; - if (threaded && stm32_port->rx_ch) { - status = dmaengine_tx_status(stm32_port->rx_ch, - stm32_port->rx_ch->cookie, - &state); - if (status == DMA_IN_PROGRESS && (*last_res != state.residue)) - return 1; - else - return 0; - } else if (*sr & USART_SR_RXNE) { - return 1; + return !!(readl_relaxed(port->membase + ofs->cr3) & USART_CR3_DMAR); +} + +/* Return true when data is pending (in pio mode), and false when no data is pending. */ +static bool stm32_usart_pending_rx_pio(struct uart_port *port, u32 *sr) +{ + struct stm32_port *stm32_port = to_stm32_port(port); + const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs; + + *sr = readl_relaxed(port->membase + ofs->isr); + /* Get pending characters in RDR or FIFO */ + if (*sr & USART_SR_RXNE) { + /* Get all pending characters from the RDR or the FIFO when using interrupts */ + if (!stm32_usart_rx_dma_enabled(port)) + return true; + + /* Handle only RX data errors when using DMA */ + if (*sr & USART_SR_ERR_MASK) + return true; } - return 0; + + return false; } -static unsigned long stm32_usart_get_char(struct uart_port *port, u32 *sr, - int *last_res) +static unsigned long stm32_usart_get_char_pio(struct uart_port *port) { struct stm32_port *stm32_port = to_stm32_port(port); const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs; unsigned long c; - if (stm32_port->rx_ch) { - c = stm32_port->rx_buf[RX_BUF_L - (*last_res)--]; - if ((*last_res) == 0) - *last_res = RX_BUF_L; - } else { - c = readl_relaxed(port->membase + ofs->rdr); - /* apply RDR data mask */ - c &= stm32_port->rdr_mask; - } + c = readl_relaxed(port->membase + ofs->rdr); + /* Apply RDR data mask */ + c &= stm32_port->rdr_mask; return c; } -static void stm32_usart_receive_chars(struct uart_port *port, bool irqflag) +static void stm32_usart_receive_chars_pio(struct uart_port *port) { - struct tty_port *tport = &port->state->port; struct stm32_port *stm32_port = to_stm32_port(port); const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs; - unsigned long c, flags; + unsigned long c; u32 sr; char flag; - if (irqflag) - spin_lock_irqsave(&port->lock, flags); - else - spin_lock(&port->lock); - - while (stm32_usart_pending_rx(port, &sr, &stm32_port->last_res, - irqflag)) { + while (stm32_usart_pending_rx_pio(port, &sr)) { sr |= USART_SR_DUMMY_RX; flag = TTY_NORMAL; @@ -298,7 +292,7 @@ static void stm32_usart_receive_chars(struct uart_port *port, bool irqflag) writel_relaxed(sr & USART_SR_ERR_MASK, port->membase + ofs->icr); - c = stm32_usart_get_char(port, &sr, &stm32_port->last_res); + c = stm32_usart_get_char_pio(port); port->icount.rx++; if (sr & USART_SR_ERR_MASK) { if (sr & USART_SR_ORE) { @@ -332,6 +326,94 @@ static void stm32_usart_receive_chars(struct uart_port *port, bool irqflag) continue; uart_insert_char(port, sr, USART_SR_ORE, c, flag); } +} + +static void stm32_usart_push_buffer_dma(struct uart_port *port, unsigned int dma_size) +{ + struct stm32_port *stm32_port = to_stm32_port(port); + struct tty_port *ttyport = &stm32_port->port.state->port; + unsigned char *dma_start; + int dma_count, i; + + dma_start = stm32_port->rx_buf + (RX_BUF_L - stm32_port->last_res); + + /* + * Apply rdr_mask on buffer in order to mask parity bit. + * This loop is useless in cs8 mode because DMA copies only + * 8 bits and already ignores parity bit. + */ + if (!(stm32_port->rdr_mask == (BIT(8) - 1))) + for (i = 0; i < dma_size; i++) + *(dma_start + i) &= stm32_port->rdr_mask; + + dma_count = tty_insert_flip_string(ttyport, dma_start, dma_size); + port->icount.rx += dma_count; + if (dma_count != dma_size) + port->icount.buf_overrun++; + stm32_port->last_res -= dma_count; + if (stm32_port->last_res == 0) + stm32_port->last_res = RX_BUF_L; +} + +static void stm32_usart_receive_chars_dma(struct uart_port *port) +{ + struct stm32_port *stm32_port = to_stm32_port(port); + unsigned int dma_size; + + /* DMA buffer is configured in cyclic mode and handles the rollback of the buffer. */ + if (stm32_port->rx_dma_state.residue > stm32_port->last_res) { + /* Conditional first part: from last_res to end of DMA buffer */ + dma_size = stm32_port->last_res; + stm32_usart_push_buffer_dma(port, dma_size); + } + + dma_size = stm32_port->last_res - stm32_port->rx_dma_state.residue; + stm32_usart_push_buffer_dma(port, dma_size); +} + +static void stm32_usart_receive_chars(struct uart_port *port, bool irqflag) +{ + struct tty_port *tport = &port->state->port; + struct stm32_port *stm32_port = to_stm32_port(port); + const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs; + enum dma_status rx_dma_status; + unsigned long flags; + u32 sr; + + if (irqflag) + spin_lock_irqsave(&port->lock, flags); + else + spin_lock(&port->lock); + + if (stm32_usart_rx_dma_enabled(port)) { + rx_dma_status = dmaengine_tx_status(stm32_port->rx_ch, + stm32_port->rx_ch->cookie, + &stm32_port->rx_dma_state); + if (rx_dma_status == DMA_IN_PROGRESS) { + /* Empty DMA buffer */ + stm32_usart_receive_chars_dma(port); + sr = readl_relaxed(port->membase + ofs->isr); + if (sr & USART_SR_ERR_MASK) { + /* Disable DMA request line */ + stm32_usart_clr_bits(port, ofs->cr3, USART_CR3_DMAR); + + /* Switch to PIO mode to handle the errors */ + stm32_usart_receive_chars_pio(port); + + /* Switch back to DMA mode */ + stm32_usart_set_bits(port, ofs->cr3, USART_CR3_DMAR); + } + } else { + /* Disable RX DMA */ + dmaengine_terminate_async(stm32_port->rx_ch); + stm32_usart_clr_bits(port, ofs->cr3, USART_CR3_DMAR); + /* Fall back to interrupt mode */ + dev_dbg(port->dev, "DMA error, fallback to irq mode\n"); + stm32_usart_receive_chars_pio(port); + } + } else { + stm32_usart_receive_chars_pio(port); + } if (irqflag) uart_unlock_and_check_sysrq_irqrestore(port, irqflag); @@ -373,6 +455,13 @@ static void stm32_usart_tx_interrupt_enable(struct uart_port *port) stm32_usart_set_bits(port, ofs->cr1, USART_CR1_TXEIE); } +static void stm32_usart_rx_dma_complete(void *arg) +{ + struct uart_port *port = arg; + + stm32_usart_receive_chars(port, true); +} + static void stm32_usart_tc_interrupt_enable(struct uart_port *port) { struct stm32_port *stm32_port = to_stm32_port(port); @@ -588,7 +677,12 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr) pm_wakeup_event(tport->tty->dev, 0); } - if ((sr & USART_SR_RXNE) && !(stm32_port->rx_ch)) + /* + * rx errors in dma mode has to be handled ASAP to avoid overrun as the DMA request + * line has been masked by HW and rx data are stacking in FIFO. + */ + if (((sr & USART_SR_RXNE) && !stm32_usart_rx_dma_enabled(port)) || + ((sr & USART_SR_ERR_MASK) && stm32_usart_rx_dma_enabled(port))) stm32_usart_receive_chars(port, false); if ((sr & USART_SR_TXE) && !(stm32_port->tx_ch)) { @@ -597,7 +691,7 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr) spin_unlock(&port->lock); } - if (stm32_port->rx_ch) + if (stm32_usart_rx_dma_enabled(port)) return IRQ_WAKE_THREAD; else return IRQ_HANDLED; @@ -903,9 +997,11 @@ static void stm32_usart_set_termios(struct uart_port *port, stm32_port->cr1_irq = USART_CR1_RTOIE; writel_relaxed(bits, port->membase + ofs->rtor); cr2 |= USART_CR2_RTOEN; - /* Not using dma, enable fifo threshold irq */ - if (!stm32_port->rx_ch) - stm32_port->cr3_irq = USART_CR3_RXFTIE; + /* + * Enable fifo threshold irq in two cases, either when there is no DMA, or when + * wake up over usart, from low power until the DMA gets re-enabled by resume. + */ + stm32_port->cr3_irq = USART_CR3_RXFTIE; } cr1 |= stm32_port->cr1_irq; @@ -968,8 +1064,16 @@ static void stm32_usart_set_termios(struct uart_port *port, if ((termios->c_cflag & CREAD) == 0) port->ignore_status_mask |= USART_SR_DUMMY_RX; - if (stm32_port->rx_ch) + if (stm32_port->rx_ch) { + /* + * Setup DMA to collect only valid data and enable error irqs. + * This also enables break reception when using DMA. + */ + cr1 |= USART_CR1_PEIE; + cr3 |= USART_CR3_EIE; cr3 |= USART_CR3_DMAR; + cr3 |= USART_CR3_DDRE; + } if (rs485conf->flags & SER_RS485_ENABLED) { stm32_usart_config_reg_rs485(&cr1, &cr3, @@ -1298,9 +1402,9 @@ static int stm32_usart_of_dma_rx_probe(struct stm32_port *stm32port, return -ENODEV; } - /* No callback as dma buffer is drained on usart interrupt */ - desc->callback = NULL; - desc->callback_param = NULL; + /* Set DMA callback */ + desc->callback = stm32_usart_rx_dma_complete; + desc->callback_param = port; /* Push current DMA transaction in the pending queue */ ret = dma_submit_error(dmaengine_submit(desc)); @@ -1464,6 +1568,7 @@ static int stm32_usart_serial_remove(struct platform_device *pdev) struct stm32_port *stm32_port = to_stm32_port(port); const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs; int err; + u32 cr3; pm_runtime_get_sync(&pdev->dev); err = uart_remove_one_port(&stm32_usart_driver, port); @@ -1474,7 +1579,12 @@ static int stm32_usart_serial_remove(struct platform_device *pdev) pm_runtime_set_suspended(&pdev->dev); pm_runtime_put_noidle(&pdev->dev); - stm32_usart_clr_bits(port, ofs->cr3, USART_CR3_DMAR); + stm32_usart_clr_bits(port, ofs->cr1, USART_CR1_PEIE); + cr3 = readl_relaxed(port->membase + ofs->cr3); + cr3 &= ~USART_CR3_EIE; + cr3 &= ~USART_CR3_DMAR; + cr3 &= ~USART_CR3_DDRE; + writel_relaxed(cr3, port->membase + ofs->cr3); if (stm32_port->tx_ch) { stm32_usart_of_dma_tx_remove(stm32_port, pdev); diff --git a/drivers/tty/serial/stm32-usart.h b/drivers/tty/serial/stm32-usart.h index ad6335155d..852573e1a6 100644 --- a/drivers/tty/serial/stm32-usart.h +++ b/drivers/tty/serial/stm32-usart.h @@ -109,7 +109,7 @@ struct stm32_usart_info stm32h7_info = { /* USART_SR (F4) / USART_ISR (F7) */ #define USART_SR_PE BIT(0) #define USART_SR_FE BIT(1) -#define USART_SR_NF BIT(2) +#define USART_SR_NE BIT(2) /* F7 (NF for F4) */ #define USART_SR_ORE BIT(3) #define USART_SR_IDLE BIT(4) #define USART_SR_RXNE BIT(5) @@ -126,7 +126,8 @@ struct stm32_usart_info stm32h7_info = { #define USART_SR_SBKF BIT(18) /* F7 */ #define USART_SR_WUF BIT(20) /* H7 */ #define USART_SR_TEACK BIT(21) /* F7 */ -#define USART_SR_ERR_MASK (USART_SR_ORE | USART_SR_FE | USART_SR_PE) +#define USART_SR_ERR_MASK (USART_SR_ORE | USART_SR_NE | USART_SR_FE |\ + USART_SR_PE) /* Dummy bits */ #define USART_SR_DUMMY_RX BIT(16) @@ -246,9 +247,9 @@ struct stm32_usart_info stm32h7_info = { #define STM32_SERIAL_NAME "ttySTM" #define STM32_MAX_PORTS 8 -#define RX_BUF_L 200 /* dma rx buffer length */ -#define RX_BUF_P RX_BUF_L /* dma rx buffer period */ -#define TX_BUF_L 200 /* dma tx buffer length */ +#define RX_BUF_L 4096 /* dma rx buffer length */ +#define RX_BUF_P (RX_BUF_L / 2) /* dma rx buffer period */ +#define TX_BUF_L RX_BUF_L /* dma tx buffer length */ struct stm32_port { struct uart_port port; @@ -273,6 +274,7 @@ struct stm32_port { bool wakeup_src; int rdr_mask; /* receive data register mask */ struct mctrl_gpios *gpios; /* modem control gpios */ + struct dma_tx_state rx_dma_state; }; static struct stm32_port stm32_ports[STM32_MAX_PORTS]; diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 3dc2124bd0..bd125ea5c5 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -4594,7 +4594,7 @@ static int con_font_get(struct vc_data *vc, struct console_font_op *op) int c; if (op->data) { - font.data = kmalloc(max_font_size, GFP_KERNEL); + font.data = kzalloc(max_font_size, GFP_KERNEL); if (!font.data) return -ENOMEM; } else diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c index 652fe25475..56bf011827 100644 --- a/drivers/uio/uio_hv_generic.c +++ b/drivers/uio/uio_hv_generic.c @@ -104,10 +104,11 @@ static void hv_uio_channel_cb(void *context) /* * Callback from vmbus_event when channel is rescinded. + * It is meant for rescind of primary channels only. */ static void hv_uio_rescind(struct vmbus_channel *channel) { - struct hv_device *hv_dev = channel->primary_channel->device_obj; + struct hv_device *hv_dev = channel->device_obj; struct hv_uio_private_data *pdata = hv_get_drvdata(hv_dev); /* @@ -118,6 +119,14 @@ static void hv_uio_rescind(struct vmbus_channel *channel) /* Wake up reader */ uio_event_notify(&pdata->info); + + /* + * With rescind callback registered, rescind path will not unregister the device + * from vmbus when the primary channel is rescinded. + * Without it, rescind handling is incomplete and next onoffer msg does not come. + * Unregister the device from vmbus here. + */ + vmbus_device_unregister(channel->device_obj); } /* Sysfs API to allow mmap of the ring buffers diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index 4ce7cba2b4..8f3b9a0a38 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -1131,6 +1131,7 @@ static int cxacru_bind(struct usbatm_data *usbatm_instance, struct cxacru_data *instance; struct usb_device *usb_dev = interface_to_usbdev(intf); struct usb_host_endpoint *cmd_ep = usb_dev->ep_in[CXACRU_EP_CMD]; + struct usb_endpoint_descriptor *in, *out; int ret; /* instance init */ @@ -1177,6 +1178,19 @@ static int cxacru_bind(struct usbatm_data *usbatm_instance, goto fail; } + if (usb_endpoint_xfer_int(&cmd_ep->desc)) + ret = usb_find_common_endpoints(intf->cur_altsetting, + NULL, NULL, &in, &out); + else + ret = usb_find_common_endpoints(intf->cur_altsetting, + &in, &out, NULL, NULL); + + if (ret) { + usb_err(usbatm_instance, "cxacru_bind: interface has incorrect endpoints\n"); + ret = -ENODEV; + goto fail; + } + if ((cmd_ep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { usb_fill_int_urb(instance->rcv_urb, diff --git a/drivers/usb/cdns3/cdnsp-gadget.h b/drivers/usb/cdns3/cdnsp-gadget.h index f740fa6089..a61aef0dc2 100644 --- a/drivers/usb/cdns3/cdnsp-gadget.h +++ b/drivers/usb/cdns3/cdnsp-gadget.h @@ -811,6 +811,7 @@ struct cdnsp_stream_info { * generate Missed Service Error Event. * Set skip flag when receive a Missed Service Error Event and * process the missed tds on the endpoint ring. + * @wa1_nop_trb: hold pointer to NOP trb. */ struct cdnsp_ep { struct usb_ep endpoint; @@ -838,6 +839,8 @@ struct cdnsp_ep { #define EP_UNCONFIGURED BIT(7) bool skip; + union cdnsp_trb *wa1_nop_trb; + }; /** diff --git a/drivers/usb/cdns3/cdnsp-ring.c b/drivers/usb/cdns3/cdnsp-ring.c index 8a2cc0405a..47096b8e31 100644 --- a/drivers/usb/cdns3/cdnsp-ring.c +++ b/drivers/usb/cdns3/cdnsp-ring.c @@ -402,7 +402,7 @@ static u64 cdnsp_get_hw_deq(struct cdnsp_device *pdev, struct cdnsp_stream_ctx *st_ctx; struct cdnsp_ep *pep; - pep = &pdev->eps[stream_id]; + pep = &pdev->eps[ep_index]; if (pep->ep_state & EP_HAS_STREAMS) { st_ctx = &pep->stream_info.stream_ctx_array[stream_id]; @@ -718,7 +718,8 @@ int cdnsp_remove_request(struct cdnsp_device *pdev, seg = cdnsp_trb_in_td(pdev, cur_td->start_seg, cur_td->first_trb, cur_td->last_trb, hw_deq); - if (seg && (pep->ep_state & EP_ENABLED)) + if (seg && (pep->ep_state & EP_ENABLED) && + !(pep->ep_state & EP_DIS_IN_RROGRESS)) cdnsp_find_new_dequeue_state(pdev, pep, preq->request.stream_id, cur_td, &deq_state); else @@ -736,7 +737,8 @@ int cdnsp_remove_request(struct cdnsp_device *pdev, * During disconnecting all endpoint will be disabled so we don't * have to worry about updating dequeue pointer. */ - if (pdev->cdnsp_state & CDNSP_STATE_DISCONNECT_PENDING) { + if (pdev->cdnsp_state & CDNSP_STATE_DISCONNECT_PENDING || + pep->ep_state & EP_DIS_IN_RROGRESS) { status = -ESHUTDOWN; ret = cdnsp_cmd_set_deq(pdev, pep, &deq_state); } @@ -1902,6 +1904,23 @@ int cdnsp_queue_bulk_tx(struct cdnsp_device *pdev, struct cdnsp_request *preq) if (ret) return ret; + /* + * workaround 1: STOP EP command on LINK TRB with TC bit set to 1 + * causes that internal cycle bit can have incorrect state after + * command complete. In consequence empty transfer ring can be + * incorrectly detected when EP is resumed. + * NOP TRB before LINK TRB avoid such scenario. STOP EP command is + * then on NOP TRB and internal cycle bit is not changed and have + * correct value. + */ + if (pep->wa1_nop_trb) { + field = le32_to_cpu(pep->wa1_nop_trb->trans_event.flags); + field ^= TRB_CYCLE; + + pep->wa1_nop_trb->trans_event.flags = cpu_to_le32(field); + pep->wa1_nop_trb = NULL; + } + /* * Don't give the first TRB to the hardware (by toggling the cycle bit) * until we've finished creating all the other TRBs. The ring's cycle @@ -1997,6 +2016,17 @@ int cdnsp_queue_bulk_tx(struct cdnsp_device *pdev, struct cdnsp_request *preq) send_addr = addr; } + if (cdnsp_trb_is_link(ring->enqueue + 1)) { + field = TRB_TYPE(TRB_TR_NOOP) | TRB_IOC; + if (!ring->cycle_state) + field |= TRB_CYCLE; + + pep->wa1_nop_trb = ring->enqueue; + + cdnsp_queue_trb(pdev, ring, 0, 0x0, 0x0, + TRB_INTR_TARGET(0), field); + } + cdnsp_check_trb_math(preq, enqd_len); ret = cdnsp_giveback_first_trb(pdev, pep, preq->request.stream_id, start_cycle, start_trb); diff --git a/drivers/usb/cdns3/host.c b/drivers/usb/cdns3/host.c index a27ba6d6ad..adef92f069 100644 --- a/drivers/usb/cdns3/host.c +++ b/drivers/usb/cdns3/host.c @@ -61,7 +61,9 @@ static const struct xhci_plat_priv xhci_plat_cdns3_xhci = { .resume_quirk = xhci_cdns3_resume_quirk, }; -static const struct xhci_plat_priv xhci_plat_cdnsp_xhci; +static const struct xhci_plat_priv xhci_plat_cdnsp_xhci = { + .quirks = XHCI_CDNS_SCTX_QUIRK, +}; static int __cdns_host_init(struct cdns *cdns) { diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index aacc37736d..8b6745b758 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -84,7 +84,7 @@ static int hw_device_state(struct ci_hdrc *ci, u32 dma) hw_write(ci, OP_ENDPTLISTADDR, ~0, dma); /* interrupt, error, port change, reset, sleep/suspend */ hw_write(ci, OP_USBINTR, ~0, - USBi_UI|USBi_UEI|USBi_PCI|USBi_URI|USBi_SLI); + USBi_UI|USBi_UEI|USBi_PCI|USBi_URI); } else { hw_write(ci, OP_USBINTR, ~0, 0); } @@ -868,6 +868,7 @@ __releases(ci->lock) __acquires(ci->lock) { int retval; + u32 intr; spin_unlock(&ci->lock); if (ci->gadget.speed != USB_SPEED_UNKNOWN) @@ -881,6 +882,11 @@ __acquires(ci->lock) if (retval) goto done; + /* clear SLI */ + hw_write(ci, OP_USBSTS, USBi_SLI, USBi_SLI); + intr = hw_read(ci, OP_USBINTR, ~0); + hw_write(ci, OP_USBINTR, ~0, intr | USBi_SLI); + ci->status = usb_ep_alloc_request(&ci->ep0in->ep, GFP_ATOMIC); if (ci->status == NULL) retval = -ENOMEM; diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index f21fd809e4..4871d0f09f 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -942,10 +942,12 @@ static int get_serial_info(struct tty_struct *tty, struct serial_struct *ss) struct acm *acm = tty->driver_data; ss->line = acm->minor; + mutex_lock(&acm->port.mutex); ss->close_delay = jiffies_to_msecs(acm->port.close_delay) / 10; ss->closing_wait = acm->port.closing_wait == ASYNC_CLOSING_WAIT_NONE ? ASYNC_CLOSING_WAIT_NONE : jiffies_to_msecs(acm->port.closing_wait) / 10; + mutex_unlock(&acm->port.mutex); return 0; } @@ -1741,6 +1743,9 @@ static const struct usb_device_id acm_ids[] = { { USB_DEVICE(0x11ca, 0x0201), /* VeriFone Mx870 Gadget Serial */ .driver_info = SINGLE_RX_URB, }, + { USB_DEVICE(0x1901, 0x0006), /* GE Healthcare Patient Monitor UI Controller */ + .driver_info = DISABLE_ECHO, /* DISABLE ECHO in termios flag */ + }, { USB_DEVICE(0x1965, 0x0018), /* Uniden UBC125XLT */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ }, diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 0d99ba64ea..d85606bad5 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -266,14 +266,14 @@ static void wdm_int_callback(struct urb *urb) dev_err(&desc->intf->dev, "Stall on int endpoint\n"); goto sw; /* halt is cleared in work */ default: - dev_err(&desc->intf->dev, + dev_err_ratelimited(&desc->intf->dev, "nonzero urb status received: %d\n", status); break; } } if (urb->actual_length < sizeof(struct usb_cdc_notification)) { - dev_err(&desc->intf->dev, "wdm_int_callback - %d bytes\n", + dev_err_ratelimited(&desc->intf->dev, "wdm_int_callback - %d bytes\n", urb->actual_length); goto exit; } diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 311007b1d9..c2e666e828 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -754,7 +754,7 @@ static struct urb *usbtmc_create_urb(void) if (!urb) return NULL; - dmabuf = kmalloc(bufsize, GFP_KERNEL); + dmabuf = kzalloc(bufsize, GFP_KERNEL); if (!dmabuf) { usb_free_urb(urb); return NULL; diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 5f190bfe88..ac9880efe7 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -291,6 +291,20 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, if (ifp->desc.bNumEndpoints >= num_ep) goto skip_to_next_endpoint_or_interface_descriptor; + /* Save a copy of the descriptor and use it instead of the original */ + endpoint = &ifp->endpoint[ifp->desc.bNumEndpoints]; + memcpy(&endpoint->desc, d, n); + d = &endpoint->desc; + + /* Clear the reserved bits in bEndpointAddress */ + i = d->bEndpointAddress & + (USB_ENDPOINT_DIR_MASK | USB_ENDPOINT_NUMBER_MASK); + if (i != d->bEndpointAddress) { + dev_notice(ddev, "config %d interface %d altsetting %d has an endpoint descriptor with address 0x%X, changing to 0x%X\n", + cfgno, inum, asnum, d->bEndpointAddress, i); + endpoint->desc.bEndpointAddress = i; + } + /* Check for duplicate endpoint addresses */ if (config_endpoint_is_duplicate(config, inum, asnum, d)) { dev_notice(ddev, "config %d interface %d altsetting %d has a duplicate endpoint with address 0x%X, skipping\n", @@ -308,10 +322,8 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, } } - endpoint = &ifp->endpoint[ifp->desc.bNumEndpoints]; + /* Accept this endpoint */ ++ifp->desc.bNumEndpoints; - - memcpy(&endpoint->desc, d, n); INIT_LIST_HEAD(&endpoint->urb_list); /* diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 15e9bd180a..6b21afb465 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -503,6 +503,9 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x1b1c, 0x1b38), .driver_info = USB_QUIRK_DELAY_INIT | USB_QUIRK_DELAY_CTRL_MSG }, + /* START BP-850k Printer */ + { USB_DEVICE(0x1bc3, 0x0003), .driver_info = USB_QUIRK_NO_SET_INTF }, + /* MIDI keyboard WORLDE MINI */ { USB_DEVICE(0x1c75, 0x0204), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index c9501907f7..585ef71b93 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -670,6 +670,7 @@ static int add_power_attributes(struct device *dev) static void remove_power_attributes(struct device *dev) { + sysfs_unmerge_group(&dev->kobj, &usb3_hardware_lpm_attr_group); sysfs_unmerge_group(&dev->kobj, &usb2_hardware_lpm_attr_group); sysfs_unmerge_group(&dev->kobj, &power_attr_group); } diff --git a/drivers/usb/dwc2/drd.c b/drivers/usb/dwc2/drd.c index 36f2c38416..ce9f916a19 100644 --- a/drivers/usb/dwc2/drd.c +++ b/drivers/usb/dwc2/drd.c @@ -105,6 +105,15 @@ static int dwc2_drd_role_sw_set(struct usb_role_switch *sw, enum usb_role role) spin_lock_irqsave(&hsotg->lock, flags); + if ((IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL) || + IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE)) && + dwc2_is_device_mode(hsotg) && + hsotg->lx_state == DWC2_L2 && + hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_NONE && + hsotg->bus_suspended && + !hsotg->params.no_clock_gating) + dwc2_gadget_exit_clock_gating(hsotg, 0); + if (role == USB_ROLE_HOST) { already = dwc2_ovr_avalid(hsotg, true); } else if (role == USB_ROLE_DEVICE) { diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index 79094384d8..5ff8186936 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -484,18 +484,6 @@ static int dwc2_driver_probe(struct platform_device *dev) spin_lock_init(&hsotg->lock); - hsotg->irq = platform_get_irq(dev, 0); - if (hsotg->irq < 0) - return hsotg->irq; - - dev_dbg(hsotg->dev, "registering common handler for irq%d\n", - hsotg->irq); - retval = devm_request_irq(hsotg->dev, hsotg->irq, - dwc2_handle_common_intr, IRQF_SHARED, - dev_name(hsotg->dev), hsotg); - if (retval) - return retval; - hsotg->vbus_supply = devm_regulator_get_optional(hsotg->dev, "vbus"); if (IS_ERR(hsotg->vbus_supply)) { retval = PTR_ERR(hsotg->vbus_supply); @@ -539,6 +527,20 @@ static int dwc2_driver_probe(struct platform_device *dev) if (retval) goto error; + hsotg->irq = platform_get_irq(dev, 0); + if (hsotg->irq < 0) { + retval = hsotg->irq; + goto error; + } + + dev_dbg(hsotg->dev, "registering common handler for irq%d\n", + hsotg->irq); + retval = devm_request_irq(hsotg->dev, hsotg->irq, + dwc2_handle_common_intr, IRQF_SHARED, + dev_name(hsotg->dev), hsotg); + if (retval) + goto error; + /* * For OTG cores, set the force mode bits to reflect the value * of dr_mode. Force mode bits should not be touched at any diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index a469d05247..f507f055f5 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -430,6 +430,13 @@ static void dwc3_free_event_buffers(struct dwc3 *dwc) static int dwc3_alloc_event_buffers(struct dwc3 *dwc, unsigned length) { struct dwc3_event_buffer *evt; + unsigned int hw_mode; + + hw_mode = DWC3_GHWPARAMS0_MODE(dwc->hwparams.hwparams0); + if (hw_mode == DWC3_GHWPARAMS0_MODE_HOST) { + dwc->ev_buf = NULL; + return 0; + } evt = dwc3_alloc_one_event_buffer(dwc, length); if (IS_ERR(evt)) { @@ -450,6 +457,10 @@ static int dwc3_alloc_event_buffers(struct dwc3 *dwc, unsigned length) int dwc3_event_buffers_setup(struct dwc3 *dwc) { struct dwc3_event_buffer *evt; + u32 reg; + + if (!dwc->ev_buf) + return 0; evt = dwc->ev_buf; evt->lpos = 0; @@ -459,14 +470,27 @@ int dwc3_event_buffers_setup(struct dwc3 *dwc) upper_32_bits(evt->dma)); dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), DWC3_GEVNTSIZ_SIZE(evt->length)); - dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), 0); + /* Clear any stale event */ + reg = dwc3_readl(dwc->regs, DWC3_GEVNTCOUNT(0)); + dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), reg); return 0; } void dwc3_event_buffers_cleanup(struct dwc3 *dwc) { struct dwc3_event_buffer *evt; + u32 reg; + + if (!dwc->ev_buf) + return; + /* + * Exynos platforms may not be able to access event buffer if the + * controller failed to halt on dwc3_core_exit(). + */ + reg = dwc3_readl(dwc->regs, DWC3_DSTS); + if (!(reg & DWC3_DSTS_DEVCTRLHLT)) + return; evt = dwc->ev_buf; @@ -476,7 +500,10 @@ void dwc3_event_buffers_cleanup(struct dwc3 *dwc) dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(0), 0); dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), DWC3_GEVNTSIZ_INTMASK | DWC3_GEVNTSIZ_SIZE(0)); - dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), 0); + + /* Clear any stale event */ + reg = dwc3_readl(dwc->regs, DWC3_GEVNTCOUNT(0)); + dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), reg); } static int dwc3_alloc_scratch_buffers(struct dwc3 *dwc) @@ -1036,6 +1063,21 @@ static int dwc3_core_init(struct dwc3 *dwc) dwc3_writel(dwc->regs, DWC3_GUCTL2, reg); } + /* + * STAR 9001285599: This issue affects DWC_usb3 version 3.20a + * only. If the PM TIMER ECM is enabled through GUCTL2[19], the + * link compliance test (TD7.21) may fail. If the ECN is not + * enabled (GUCTL2[19] = 0), the controller will use the old timer + * value (5us), which is still acceptable for the link compliance + * test. Therefore, do not enable PM TIMER ECM in 3.20a by + * setting GUCTL2[19] by default; instead, use GUCTL2[19] = 0. + */ + if (DWC3_VER_IS(DWC3, 320A)) { + reg = dwc3_readl(dwc->regs, DWC3_GUCTL2); + reg &= ~DWC3_GUCTL2_LC_TIMER; + dwc3_writel(dwc->regs, DWC3_GUCTL2, reg); + } + /* * When configured in HOST mode, after issuing U3/L2 exit controller * fails to send proper CRC checksum in CRC5 feild. Because of this @@ -1752,9 +1794,21 @@ static int dwc3_core_init_for_resume(struct dwc3 *dwc) static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg) { - unsigned long flags; u32 reg; + if (!pm_runtime_suspended(dwc->dev) && !PMSG_IS_AUTO(msg)) { + dwc->susphy_state = (dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)) & + DWC3_GUSB2PHYCFG_SUSPHY) || + (dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0)) & + DWC3_GUSB3PIPECTL_SUSPHY); + /* + * TI AM62 platform requires SUSPHY to be + * enabled for system suspend to work. + */ + if (!dwc->susphy_state) + dwc3_enable_susphy(dwc, true); + } + switch (dwc->current_dr_role) { case DWC3_GCTL_PRTCAP_DEVICE: if (pm_runtime_suspended(dwc->dev)) @@ -1790,9 +1844,7 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg) break; if (dwc->current_otg_role == DWC3_OTG_ROLE_DEVICE) { - spin_lock_irqsave(&dwc->lock, flags); dwc3_gadget_suspend(dwc); - spin_unlock_irqrestore(&dwc->lock, flags); synchronize_irq(dwc->irq_gadget); } @@ -1809,7 +1861,6 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg) static int dwc3_resume_common(struct dwc3 *dwc, pm_message_t msg) { - unsigned long flags; int ret; u32 reg; @@ -1858,9 +1909,7 @@ static int dwc3_resume_common(struct dwc3 *dwc, pm_message_t msg) if (dwc->current_otg_role == DWC3_OTG_ROLE_HOST) { dwc3_otg_host_init(dwc); } else if (dwc->current_otg_role == DWC3_OTG_ROLE_DEVICE) { - spin_lock_irqsave(&dwc->lock, flags); dwc3_gadget_resume(dwc); - spin_unlock_irqrestore(&dwc->lock, flags); } break; @@ -1869,6 +1918,11 @@ static int dwc3_resume_common(struct dwc3 *dwc, pm_message_t msg) break; } + if (!PMSG_IS_AUTO(msg)) { + /* restore SUSPHY state to that before system suspend. */ + dwc3_enable_susphy(dwc, dwc->susphy_state); + } + return 0; } @@ -1918,7 +1972,11 @@ static int dwc3_runtime_resume(struct device *dev) switch (dwc->current_dr_role) { case DWC3_GCTL_PRTCAP_DEVICE: - dwc3_gadget_process_pending_events(dwc); + if (dwc->pending_events) { + pm_runtime_put(dwc->dev); + dwc->pending_events = false; + enable_irq(dwc->irq_gadget); + } break; case DWC3_GCTL_PRTCAP_HOST: default: @@ -2005,6 +2063,12 @@ static void dwc3_complete(struct device *dev) static const struct dev_pm_ops dwc3_dev_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(dwc3_suspend, dwc3_resume) .complete = dwc3_complete, + + /* + * Runtime suspend halts the controller on disconnection. It relies on + * platforms with custom connection notification to start the controller + * again. + */ SET_RUNTIME_PM_OPS(dwc3_runtime_suspend, dwc3_runtime_resume, dwc3_runtime_idle) }; diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 8c8e17cc13..3d434c110b 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -387,6 +387,7 @@ /* Global User Control Register 2 */ #define DWC3_GUCTL2_RST_ACTBITLATER BIT(14) +#define DWC3_GUCTL2_LC_TIMER BIT(19) /* Global User Control Register 3 */ #define DWC3_GUCTL3_SPLITDISABLE BIT(14) @@ -1084,6 +1085,8 @@ struct dwc3_scratchpad_array { * @dis_metastability_quirk: set to disable metastability quirk. * @dis_split_quirk: set to disable split boundary. * @suspended: set to track suspend event due to U3/L2. + * @susphy_state: state of DWC3_GUSB2PHYCFG_SUSPHY + DWC3_GUSB3PIPECTL_SUSPHY + * before PM suspend. * @imod_interval: set the interrupt moderation interval in 250ns * increments or 0 to disable. * @max_cfg_eps: current max number of IN eps used across all USB configs. @@ -1197,6 +1200,7 @@ struct dwc3 { #define DWC3_REVISION_290A 0x5533290a #define DWC3_REVISION_300A 0x5533300a #define DWC3_REVISION_310A 0x5533310a +#define DWC3_REVISION_320A 0x5533320a #define DWC3_REVISION_330A 0x5533330a #define DWC31_REVISION_ANY 0x0 @@ -1298,6 +1302,7 @@ struct dwc3 { unsigned dis_split_quirk:1; unsigned async_callbacks:1; unsigned suspended:1; + unsigned susphy_state:1; u16 imod_interval; @@ -1589,7 +1594,6 @@ static inline void dwc3_otg_host_init(struct dwc3 *dwc) #if !IS_ENABLED(CONFIG_USB_DWC3_HOST) int dwc3_gadget_suspend(struct dwc3 *dwc); int dwc3_gadget_resume(struct dwc3 *dwc); -void dwc3_gadget_process_pending_events(struct dwc3 *dwc); #else static inline int dwc3_gadget_suspend(struct dwc3 *dwc) { @@ -1601,9 +1605,6 @@ static inline int dwc3_gadget_resume(struct dwc3 *dwc) return 0; } -static inline void dwc3_gadget_process_pending_events(struct dwc3 *dwc) -{ -} #endif /* !IS_ENABLED(CONFIG_USB_DWC3_HOST) */ #if IS_ENABLED(CONFIG_USB_DWC3_ULPI) diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index efaf0db595..6b59bbb22d 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -522,11 +522,13 @@ static int dwc3_omap_probe(struct platform_device *pdev) if (ret) { dev_err(dev, "failed to request IRQ #%d --> %d\n", omap->irq, ret); - goto err1; + goto err2; } dwc3_omap_enable_irqs(omap); return 0; +err2: + of_platform_depopulate(dev); err1: pm_runtime_put_sync(dev); pm_runtime_disable(dev); diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c index 166b5bde45..14c86fe006 100644 --- a/drivers/usb/dwc3/dwc3-st.c +++ b/drivers/usb/dwc3/dwc3-st.c @@ -219,10 +219,8 @@ static int st_dwc3_probe(struct platform_device *pdev) dwc3_data->regmap = regmap; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "syscfg-reg"); - if (!res) { - ret = -ENXIO; - goto undo_platform_dev_alloc; - } + if (!res) + return -ENXIO; dwc3_data->syscfg_reg_off = res->start; @@ -233,8 +231,7 @@ static int st_dwc3_probe(struct platform_device *pdev) devm_reset_control_get_exclusive(dev, "powerdown"); if (IS_ERR(dwc3_data->rstc_pwrdn)) { dev_err(&pdev->dev, "could not get power controller\n"); - ret = PTR_ERR(dwc3_data->rstc_pwrdn); - goto undo_platform_dev_alloc; + return PTR_ERR(dwc3_data->rstc_pwrdn); } /* Manage PowerDown */ @@ -269,7 +266,7 @@ static int st_dwc3_probe(struct platform_device *pdev) if (!child_pdev) { dev_err(dev, "failed to find dwc3 core device\n"); ret = -ENODEV; - goto err_node_put; + goto depopulate; } dwc3_data->dr_mode = usb_get_dr_mode(&child_pdev->dev); @@ -285,6 +282,7 @@ static int st_dwc3_probe(struct platform_device *pdev) ret = st_dwc3_drd_init(dwc3_data); if (ret) { dev_err(dev, "drd initialisation failed\n"); + of_platform_depopulate(dev); goto undo_softreset; } @@ -294,14 +292,14 @@ static int st_dwc3_probe(struct platform_device *pdev) platform_set_drvdata(pdev, dwc3_data); return 0; +depopulate: + of_platform_depopulate(dev); err_node_put: of_node_put(child); undo_softreset: reset_control_assert(dwc3_data->rstc_rst); undo_powerdown: reset_control_assert(dwc3_data->rstc_pwrdn); -undo_platform_dev_alloc: - platform_device_put(pdev); return ret; } diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index af35278a5e..0960606b7d 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -4559,14 +4559,3 @@ int dwc3_gadget_resume(struct dwc3 *dwc) return dwc3_gadget_soft_connect(dwc); } - -void dwc3_gadget_process_pending_events(struct dwc3 *dwc) -{ - if (dwc->pending_events) { - dwc3_interrupt(dwc->irq_gadget, dwc->ev_buf); - dwc3_thread_interrupt(dwc->irq_gadget, dwc->ev_buf); - pm_runtime_put(dwc->dev); - dwc->pending_events = false; - enable_irq(dwc->irq_gadget); - } -} diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 3f035e905b..1052ca4e29 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -477,6 +477,46 @@ int usb_interface_id(struct usb_configuration *config, } EXPORT_SYMBOL_GPL(usb_interface_id); +/** + * usb_func_wakeup - sends function wake notification to the host. + * @func: function that sends the remote wakeup notification. + * + * Applicable to devices operating at enhanced superspeed when usb + * functions are put in function suspend state and armed for function + * remote wakeup. On completion, function wake notification is sent. If + * the device is in low power state it tries to bring the device to active + * state before sending the wake notification. Since it is a synchronous + * call, caller must take care of not calling it in interrupt context. + * For devices operating at lower speeds returns negative errno. + * + * Returns zero on success, else negative errno. + */ +int usb_func_wakeup(struct usb_function *func) +{ + struct usb_gadget *gadget = func->config->cdev->gadget; + int id; + + if (!gadget->ops->func_wakeup) + return -EOPNOTSUPP; + + if (!func->func_wakeup_armed) { + ERROR(func->config->cdev, "not armed for func remote wakeup\n"); + return -EINVAL; + } + + for (id = 0; id < MAX_CONFIG_INTERFACES; id++) + if (func->config->interface[id] == func) + break; + + if (id == MAX_CONFIG_INTERFACES) { + ERROR(func->config->cdev, "Invalid function\n"); + return -EINVAL; + } + + return gadget->ops->func_wakeup(gadget, id); +} +EXPORT_SYMBOL_GPL(usb_func_wakeup); + static u8 encode_bMaxPower(enum usb_device_speed speed, struct usb_configuration *c) { diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 528b9ec1d9..08a90117dc 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -104,9 +104,12 @@ static int usb_string_copy(const char *s, char **s_copy) int ret; char *str; char *copy = *s_copy; + ret = strlen(s); if (ret > USB_MAX_STRING_LEN) return -EOVERFLOW; + if (ret < 1) + return -EINVAL; if (copy) { str = copy; diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index a4367a43cd..ad858044e0 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -830,9 +830,9 @@ static void ffs_user_copy_worker(struct work_struct *work) { struct ffs_io_data *io_data = container_of(work, struct ffs_io_data, work); - int ret = io_data->req->status ? io_data->req->status : - io_data->req->actual; + int ret = io_data->status; bool kiocb_has_eventfd = io_data->kiocb->ki_flags & IOCB_EVENTFD; + unsigned long flags; if (io_data->read && ret > 0) { kthread_use_mm(io_data->mm); @@ -845,7 +845,10 @@ static void ffs_user_copy_worker(struct work_struct *work) if (io_data->ffs->ffs_eventfd && !kiocb_has_eventfd) eventfd_signal(io_data->ffs->ffs_eventfd, 1); + spin_lock_irqsave(&io_data->ffs->eps_lock, flags); usb_ep_free_request(io_data->ep, io_data->req); + io_data->req = NULL; + spin_unlock_irqrestore(&io_data->ffs->eps_lock, flags); if (io_data->read) kfree(io_data->to_free); @@ -861,6 +864,8 @@ static void ffs_epfile_async_io_complete(struct usb_ep *_ep, ENTER(); + io_data->status = req->status ? req->status : req->actual; + INIT_WORK(&io_data->work, ffs_user_copy_worker); queue_work(ffs->io_completion_wq, &io_data->work); } diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index a881c69b1f..728cb9702d 100644 --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -210,6 +210,7 @@ static inline struct usb_endpoint_descriptor *ep_desc(struct usb_gadget *gadget, struct usb_endpoint_descriptor *ss) { switch (gadget->speed) { + case USB_SPEED_SUPER_PLUS: case USB_SPEED_SUPER: return ss; case USB_SPEED_HIGH: @@ -447,11 +448,8 @@ printer_read(struct file *fd, char __user *buf, size_t len, loff_t *ptr) mutex_lock(&dev->lock_printer_io); spin_lock_irqsave(&dev->lock, flags); - if (dev->interface < 0) { - spin_unlock_irqrestore(&dev->lock, flags); - mutex_unlock(&dev->lock_printer_io); - return -ENODEV; - } + if (dev->interface < 0) + goto out_disabled; /* We will use this flag later to check if a printer reset happened * after we turn interrupts back on. @@ -459,6 +457,9 @@ printer_read(struct file *fd, char __user *buf, size_t len, loff_t *ptr) dev->reset_printer = 0; setup_rx_reqs(dev); + /* this dropped the lock - need to retest */ + if (dev->interface < 0) + goto out_disabled; bytes_copied = 0; current_rx_req = dev->current_rx_req; @@ -492,6 +493,8 @@ printer_read(struct file *fd, char __user *buf, size_t len, loff_t *ptr) wait_event_interruptible(dev->rx_wait, (likely(!list_empty(&dev->rx_buffers)))); spin_lock_irqsave(&dev->lock, flags); + if (dev->interface < 0) + goto out_disabled; } /* We have data to return then copy it to the caller's buffer.*/ @@ -535,6 +538,9 @@ printer_read(struct file *fd, char __user *buf, size_t len, loff_t *ptr) return -EAGAIN; } + if (dev->interface < 0) + goto out_disabled; + /* If we not returning all the data left in this RX request * buffer then adjust the amount of data left in the buffer. * Othewise if we are done with this RX request buffer then @@ -564,6 +570,11 @@ printer_read(struct file *fd, char __user *buf, size_t len, loff_t *ptr) return bytes_copied; else return -EAGAIN; + +out_disabled: + spin_unlock_irqrestore(&dev->lock, flags); + mutex_unlock(&dev->lock_printer_io); + return -ENODEV; } static ssize_t @@ -584,11 +595,8 @@ printer_write(struct file *fd, const char __user *buf, size_t len, loff_t *ptr) mutex_lock(&dev->lock_printer_io); spin_lock_irqsave(&dev->lock, flags); - if (dev->interface < 0) { - spin_unlock_irqrestore(&dev->lock, flags); - mutex_unlock(&dev->lock_printer_io); - return -ENODEV; - } + if (dev->interface < 0) + goto out_disabled; /* Check if a printer reset happens while we have interrupts on */ dev->reset_printer = 0; @@ -611,6 +619,8 @@ printer_write(struct file *fd, const char __user *buf, size_t len, loff_t *ptr) wait_event_interruptible(dev->tx_wait, (likely(!list_empty(&dev->tx_reqs)))); spin_lock_irqsave(&dev->lock, flags); + if (dev->interface < 0) + goto out_disabled; } while (likely(!list_empty(&dev->tx_reqs)) && len) { @@ -660,6 +670,9 @@ printer_write(struct file *fd, const char __user *buf, size_t len, loff_t *ptr) return -EAGAIN; } + if (dev->interface < 0) + goto out_disabled; + list_add(&req->list, &dev->tx_reqs_active); /* here, we unlock, and only unlock, to avoid deadlock. */ @@ -672,6 +685,8 @@ printer_write(struct file *fd, const char __user *buf, size_t len, loff_t *ptr) mutex_unlock(&dev->lock_printer_io); return -EAGAIN; } + if (dev->interface < 0) + goto out_disabled; } spin_unlock_irqrestore(&dev->lock, flags); @@ -683,6 +698,11 @@ printer_write(struct file *fd, const char __user *buf, size_t len, loff_t *ptr) return bytes_copied; else return -EAGAIN; + +out_disabled: + spin_unlock_irqrestore(&dev->lock, flags); + mutex_unlock(&dev->lock_printer_io); + return -ENODEV; } static int diff --git a/drivers/usb/gadget/function/u_audio.c b/drivers/usb/gadget/function/u_audio.c index 5e34a7ff1b..6bd908c7bf 100644 --- a/drivers/usb/gadget/function/u_audio.c +++ b/drivers/usb/gadget/function/u_audio.c @@ -474,15 +474,24 @@ int u_audio_start_capture(struct g_audio *audio_dev) struct usb_ep *ep, *ep_fback; struct uac_rtd_params *prm; struct uac_params *params = &audio_dev->params; - int req_len, i; + int req_len, i, ret; ep = audio_dev->out_ep; prm = &uac->c_prm; - config_ep_by_speed(gadget, &audio_dev->func, ep); + ret = config_ep_by_speed(gadget, &audio_dev->func, ep); + if (ret < 0) { + dev_err(dev, "config_ep_by_speed for out_ep failed (%d)\n", ret); + return ret; + } + req_len = ep->maxpacket; prm->ep_enabled = true; - usb_ep_enable(ep); + ret = usb_ep_enable(ep); + if (ret < 0) { + dev_err(dev, "usb_ep_enable failed for out_ep (%d)\n", ret); + return ret; + } for (i = 0; i < params->req_number; i++) { if (!prm->reqs[i]) { @@ -508,9 +517,18 @@ int u_audio_start_capture(struct g_audio *audio_dev) return 0; /* Setup feedback endpoint */ - config_ep_by_speed(gadget, &audio_dev->func, ep_fback); + ret = config_ep_by_speed(gadget, &audio_dev->func, ep_fback); + if (ret < 0) { + dev_err(dev, "config_ep_by_speed in_ep_fback failed (%d)\n", ret); + return ret; // TODO: Clean up out_ep + } + prm->fb_ep_enabled = true; - usb_ep_enable(ep_fback); + ret = usb_ep_enable(ep_fback); + if (ret < 0) { + dev_err(dev, "usb_ep_enable failed for in_ep_fback (%d)\n", ret); + return ret; // TODO: Clean up out_ep + } req_len = ep_fback->maxpacket; req_fback = usb_ep_alloc_request(ep_fback, GFP_ATOMIC); @@ -565,11 +583,15 @@ int u_audio_start_playback(struct g_audio *audio_dev) struct uac_params *params = &audio_dev->params; unsigned int factor; const struct usb_endpoint_descriptor *ep_desc; - int req_len, i; + int req_len, i, ret; ep = audio_dev->in_ep; prm = &uac->p_prm; - config_ep_by_speed(gadget, &audio_dev->func, ep); + ret = config_ep_by_speed(gadget, &audio_dev->func, ep); + if (ret < 0) { + dev_err(dev, "config_ep_by_speed for in_ep failed (%d)\n", ret); + return ret; + } ep_desc = ep->desc; @@ -598,7 +620,11 @@ int u_audio_start_playback(struct g_audio *audio_dev) uac->p_residue = 0; prm->ep_enabled = true; - usb_ep_enable(ep); + ret = usb_ep_enable(ep); + if (ret < 0) { + dev_err(dev, "usb_ep_enable failed for in_ep (%d)\n", ret); + return ret; + } for (i = 0; i < params->req_number; i++) { if (!prm->reqs[i]) { diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index f975dc03a1..5111fcc0ca 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -1436,6 +1436,7 @@ void gserial_suspend(struct gserial *gser) spin_lock(&port->port_lock); spin_unlock(&serial_port_lock); port->suspended = true; + port->start_delayed = true; spin_unlock_irqrestore(&port->port_lock, flags); } EXPORT_SYMBOL_GPL(gserial_suspend); diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index 808a8d062e..d865c4677a 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -101,12 +101,10 @@ int usb_ep_enable(struct usb_ep *ep) goto out; /* UDC drivers can't handle endpoints with maxpacket size 0 */ - if (usb_endpoint_maxp(ep->desc) == 0) { - /* - * We should log an error message here, but we can't call - * dev_err() because there's no way to find the gadget - * given only ep. - */ + if (!ep->desc || usb_endpoint_maxp(ep->desc) == 0) { + WARN_ONCE(1, "%s: ep%d (%s) has %s\n", __func__, ep->address, ep->name, + (!ep->desc) ? "NULL descriptor" : "maxpacket 0"); + ret = -EINVAL; goto out; } diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c index 29fcb9b461..abe7c9a6ce 100644 --- a/drivers/usb/gadget/udc/fsl_udc_core.c +++ b/drivers/usb/gadget/udc/fsl_udc_core.c @@ -2485,7 +2485,7 @@ static int fsl_udc_probe(struct platform_device *pdev) /* setup the udc->eps[] for non-control endpoints and link * to gadget.ep_list */ for (i = 1; i < (int)(udc_controller->max_ep / 2); i++) { - char name[14]; + char name[16]; sprintf(name, "ep%dout", i); struct_ep_setup(udc_controller, i * 2, name, 1); diff --git a/drivers/usb/host/xhci-caps.h b/drivers/usb/host/xhci-caps.h new file mode 100644 index 0000000000..9e94cebf4a --- /dev/null +++ b/drivers/usb/host/xhci-caps.h @@ -0,0 +1,85 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +/* hc_capbase bitmasks */ +/* bits 7:0 - how long is the Capabilities register */ +#define HC_LENGTH(p) XHCI_HC_LENGTH(p) +/* bits 31:16 */ +#define HC_VERSION(p) (((p) >> 16) & 0xffff) + +/* HCSPARAMS1 - hcs_params1 - bitmasks */ +/* bits 0:7, Max Device Slots */ +#define HCS_MAX_SLOTS(p) (((p) >> 0) & 0xff) +#define HCS_SLOTS_MASK 0xff +/* bits 8:18, Max Interrupters */ +#define HCS_MAX_INTRS(p) (((p) >> 8) & 0x7ff) +/* bits 24:31, Max Ports - max value is 0x7F = 127 ports */ +#define HCS_MAX_PORTS(p) (((p) >> 24) & 0x7f) + +/* HCSPARAMS2 - hcs_params2 - bitmasks */ +/* bits 0:3, frames or uframes that SW needs to queue transactions + * ahead of the HW to meet periodic deadlines */ +#define HCS_IST(p) (((p) >> 0) & 0xf) +/* bits 4:7, max number of Event Ring segments */ +#define HCS_ERST_MAX(p) (((p) >> 4) & 0xf) +/* bits 21:25 Hi 5 bits of Scratchpad buffers SW must allocate for the HW */ +/* bit 26 Scratchpad restore - for save/restore HW state - not used yet */ +/* bits 27:31 Lo 5 bits of Scratchpad buffers SW must allocate for the HW */ +#define HCS_MAX_SCRATCHPAD(p) ((((p) >> 16) & 0x3e0) | (((p) >> 27) & 0x1f)) + +/* HCSPARAMS3 - hcs_params3 - bitmasks */ +/* bits 0:7, Max U1 to U0 latency for the roothub ports */ +#define HCS_U1_LATENCY(p) (((p) >> 0) & 0xff) +/* bits 16:31, Max U2 to U0 latency for the roothub ports */ +#define HCS_U2_LATENCY(p) (((p) >> 16) & 0xffff) + +/* HCCPARAMS - hcc_params - bitmasks */ +/* true: HC can use 64-bit address pointers */ +#define HCC_64BIT_ADDR(p) ((p) & (1 << 0)) +/* true: HC can do bandwidth negotiation */ +#define HCC_BANDWIDTH_NEG(p) ((p) & (1 << 1)) +/* true: HC uses 64-byte Device Context structures + * FIXME 64-byte context structures aren't supported yet. + */ +#define HCC_64BYTE_CONTEXT(p) ((p) & (1 << 2)) +/* true: HC has port power switches */ +#define HCC_PPC(p) ((p) & (1 << 3)) +/* true: HC has port indicators */ +#define HCS_INDICATOR(p) ((p) & (1 << 4)) +/* true: HC has Light HC Reset Capability */ +#define HCC_LIGHT_RESET(p) ((p) & (1 << 5)) +/* true: HC supports latency tolerance messaging */ +#define HCC_LTC(p) ((p) & (1 << 6)) +/* true: no secondary Stream ID Support */ +#define HCC_NSS(p) ((p) & (1 << 7)) +/* true: HC supports Stopped - Short Packet */ +#define HCC_SPC(p) ((p) & (1 << 9)) +/* true: HC has Contiguous Frame ID Capability */ +#define HCC_CFC(p) ((p) & (1 << 11)) +/* Max size for Primary Stream Arrays - 2^(n+1), where n is bits 12:15 */ +#define HCC_MAX_PSA(p) (1 << ((((p) >> 12) & 0xf) + 1)) +/* Extended Capabilities pointer from PCI base - section 5.3.6 */ +#define HCC_EXT_CAPS(p) XHCI_HCC_EXT_CAPS(p) + +#define CTX_SIZE(_hcc) (HCC_64BYTE_CONTEXT(_hcc) ? 64 : 32) + +/* db_off bitmask - bits 0:1 reserved */ +#define DBOFF_MASK (~0x3) + +/* run_regs_off bitmask - bits 0:4 reserved */ +#define RTSOFF_MASK (~0x1f) + +/* HCCPARAMS2 - hcc_params2 - bitmasks */ +/* true: HC supports U3 entry Capability */ +#define HCC2_U3C(p) ((p) & (1 << 0)) +/* true: HC supports Configure endpoint command Max exit latency too large */ +#define HCC2_CMC(p) ((p) & (1 << 1)) +/* true: HC supports Force Save context Capability */ +#define HCC2_FSC(p) ((p) & (1 << 2)) +/* true: HC supports Compliance Transition Capability */ +#define HCC2_CTC(p) ((p) & (1 << 3)) +/* true: HC support Large ESIT payload Capability > 48k */ +#define HCC2_LEC(p) ((p) & (1 << 4)) +/* true: HC support Configuration Information Capability */ +#define HCC2_CIC(p) ((p) & (1 << 5)) +/* true: HC support Extended TBC Capability, Isoc burst count > 65535 */ +#define HCC2_ETC(p) ((p) & (1 << 6)) diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c index bd40caeeb2..99baa60ef5 100644 --- a/drivers/usb/host/xhci-debugfs.c +++ b/drivers/usb/host/xhci-debugfs.c @@ -693,7 +693,7 @@ void xhci_debugfs_init(struct xhci_hcd *xhci) "command-ring", xhci->debugfs_root); - xhci_debugfs_create_ring_dir(xhci, &xhci->event_ring, + xhci_debugfs_create_ring_dir(xhci, &xhci->interrupter->event_ring, "event-ring", xhci->debugfs_root); diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index f9e3aed409..c44b66628a 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1828,17 +1828,43 @@ int xhci_alloc_erst(struct xhci_hcd *xhci, return 0; } -void xhci_free_erst(struct xhci_hcd *xhci, struct xhci_erst *erst) +static void +xhci_free_interrupter(struct xhci_hcd *xhci, struct xhci_interrupter *ir) { - size_t size; struct device *dev = xhci_to_hcd(xhci)->self.sysdev; + size_t erst_size; + u64 tmp64; + u32 tmp; - size = sizeof(struct xhci_erst_entry) * (erst->num_entries); - if (erst->entries) - dma_free_coherent(dev, size, - erst->entries, - erst->erst_dma_addr); - erst->entries = NULL; + if (!ir) + return; + + erst_size = sizeof(struct xhci_erst_entry) * (ir->erst.num_entries); + if (ir->erst.entries) + dma_free_coherent(dev, erst_size, + ir->erst.entries, + ir->erst.erst_dma_addr); + ir->erst.entries = NULL; + + /* + * Clean out interrupter registers except ERSTBA. Clearing either the + * low or high 32 bits of ERSTBA immediately causes the controller to + * dereference the partially cleared 64 bit address, causing IOMMU error. + */ + tmp = readl(&ir->ir_set->erst_size); + tmp &= ERST_SIZE_MASK; + writel(tmp, &ir->ir_set->erst_size); + + tmp64 = xhci_read_64(xhci, &ir->ir_set->erst_dequeue); + tmp64 &= (u64) ERST_PTR_MASK; + xhci_write_64(xhci, tmp64, &ir->ir_set->erst_dequeue); + + /* free interrrupter event ring */ + if (ir->event_ring) + xhci_ring_free(xhci, ir->event_ring); + ir->event_ring = NULL; + + kfree(ir); } void xhci_mem_cleanup(struct xhci_hcd *xhci) @@ -1848,12 +1874,9 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) cancel_delayed_work_sync(&xhci->cmd_timer); - xhci_free_erst(xhci, &xhci->erst); - - if (xhci->event_ring) - xhci_ring_free(xhci, xhci->event_ring); - xhci->event_ring = NULL; - xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Freed event ring"); + xhci_free_interrupter(xhci, xhci->interrupter); + xhci->interrupter = NULL; + xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Freed primary event ring"); if (xhci->lpm_command) xhci_free_command(xhci, xhci->lpm_command); @@ -1941,176 +1964,18 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) xhci->usb3_rhub.bus_state.bus_suspended = 0; } -static int xhci_test_trb_in_td(struct xhci_hcd *xhci, - struct xhci_segment *input_seg, - union xhci_trb *start_trb, - union xhci_trb *end_trb, - dma_addr_t input_dma, - struct xhci_segment *result_seg, - char *test_name, int test_number) -{ - unsigned long long start_dma; - unsigned long long end_dma; - struct xhci_segment *seg; - - start_dma = xhci_trb_virt_to_dma(input_seg, start_trb); - end_dma = xhci_trb_virt_to_dma(input_seg, end_trb); - - seg = trb_in_td(xhci, input_seg, start_trb, end_trb, input_dma, false); - if (seg != result_seg) { - xhci_warn(xhci, "WARN: %s TRB math test %d failed!\n", - test_name, test_number); - xhci_warn(xhci, "Tested TRB math w/ seg %p and " - "input DMA 0x%llx\n", - input_seg, - (unsigned long long) input_dma); - xhci_warn(xhci, "starting TRB %p (0x%llx DMA), " - "ending TRB %p (0x%llx DMA)\n", - start_trb, start_dma, - end_trb, end_dma); - xhci_warn(xhci, "Expected seg %p, got seg %p\n", - result_seg, seg); - trb_in_td(xhci, input_seg, start_trb, end_trb, input_dma, - true); - return -1; - } - return 0; -} - -/* TRB math checks for xhci_trb_in_td(), using the command and event rings. */ -static int xhci_check_trb_in_td_math(struct xhci_hcd *xhci) -{ - struct { - dma_addr_t input_dma; - struct xhci_segment *result_seg; - } simple_test_vector [] = { - /* A zeroed DMA field should fail */ - { 0, NULL }, - /* One TRB before the ring start should fail */ - { xhci->event_ring->first_seg->dma - 16, NULL }, - /* One byte before the ring start should fail */ - { xhci->event_ring->first_seg->dma - 1, NULL }, - /* Starting TRB should succeed */ - { xhci->event_ring->first_seg->dma, xhci->event_ring->first_seg }, - /* Ending TRB should succeed */ - { xhci->event_ring->first_seg->dma + (TRBS_PER_SEGMENT - 1)*16, - xhci->event_ring->first_seg }, - /* One byte after the ring end should fail */ - { xhci->event_ring->first_seg->dma + (TRBS_PER_SEGMENT - 1)*16 + 1, NULL }, - /* One TRB after the ring end should fail */ - { xhci->event_ring->first_seg->dma + (TRBS_PER_SEGMENT)*16, NULL }, - /* An address of all ones should fail */ - { (dma_addr_t) (~0), NULL }, - }; - struct { - struct xhci_segment *input_seg; - union xhci_trb *start_trb; - union xhci_trb *end_trb; - dma_addr_t input_dma; - struct xhci_segment *result_seg; - } complex_test_vector [] = { - /* Test feeding a valid DMA address from a different ring */ - { .input_seg = xhci->event_ring->first_seg, - .start_trb = xhci->event_ring->first_seg->trbs, - .end_trb = &xhci->event_ring->first_seg->trbs[TRBS_PER_SEGMENT - 1], - .input_dma = xhci->cmd_ring->first_seg->dma, - .result_seg = NULL, - }, - /* Test feeding a valid end TRB from a different ring */ - { .input_seg = xhci->event_ring->first_seg, - .start_trb = xhci->event_ring->first_seg->trbs, - .end_trb = &xhci->cmd_ring->first_seg->trbs[TRBS_PER_SEGMENT - 1], - .input_dma = xhci->cmd_ring->first_seg->dma, - .result_seg = NULL, - }, - /* Test feeding a valid start and end TRB from a different ring */ - { .input_seg = xhci->event_ring->first_seg, - .start_trb = xhci->cmd_ring->first_seg->trbs, - .end_trb = &xhci->cmd_ring->first_seg->trbs[TRBS_PER_SEGMENT - 1], - .input_dma = xhci->cmd_ring->first_seg->dma, - .result_seg = NULL, - }, - /* TRB in this ring, but after this TD */ - { .input_seg = xhci->event_ring->first_seg, - .start_trb = &xhci->event_ring->first_seg->trbs[0], - .end_trb = &xhci->event_ring->first_seg->trbs[3], - .input_dma = xhci->event_ring->first_seg->dma + 4*16, - .result_seg = NULL, - }, - /* TRB in this ring, but before this TD */ - { .input_seg = xhci->event_ring->first_seg, - .start_trb = &xhci->event_ring->first_seg->trbs[3], - .end_trb = &xhci->event_ring->first_seg->trbs[6], - .input_dma = xhci->event_ring->first_seg->dma + 2*16, - .result_seg = NULL, - }, - /* TRB in this ring, but after this wrapped TD */ - { .input_seg = xhci->event_ring->first_seg, - .start_trb = &xhci->event_ring->first_seg->trbs[TRBS_PER_SEGMENT - 3], - .end_trb = &xhci->event_ring->first_seg->trbs[1], - .input_dma = xhci->event_ring->first_seg->dma + 2*16, - .result_seg = NULL, - }, - /* TRB in this ring, but before this wrapped TD */ - { .input_seg = xhci->event_ring->first_seg, - .start_trb = &xhci->event_ring->first_seg->trbs[TRBS_PER_SEGMENT - 3], - .end_trb = &xhci->event_ring->first_seg->trbs[1], - .input_dma = xhci->event_ring->first_seg->dma + (TRBS_PER_SEGMENT - 4)*16, - .result_seg = NULL, - }, - /* TRB not in this ring, and we have a wrapped TD */ - { .input_seg = xhci->event_ring->first_seg, - .start_trb = &xhci->event_ring->first_seg->trbs[TRBS_PER_SEGMENT - 3], - .end_trb = &xhci->event_ring->first_seg->trbs[1], - .input_dma = xhci->cmd_ring->first_seg->dma + 2*16, - .result_seg = NULL, - }, - }; - - unsigned int num_tests; - int i, ret; - - num_tests = ARRAY_SIZE(simple_test_vector); - for (i = 0; i < num_tests; i++) { - ret = xhci_test_trb_in_td(xhci, - xhci->event_ring->first_seg, - xhci->event_ring->first_seg->trbs, - &xhci->event_ring->first_seg->trbs[TRBS_PER_SEGMENT - 1], - simple_test_vector[i].input_dma, - simple_test_vector[i].result_seg, - "Simple", i); - if (ret < 0) - return ret; - } - - num_tests = ARRAY_SIZE(complex_test_vector); - for (i = 0; i < num_tests; i++) { - ret = xhci_test_trb_in_td(xhci, - complex_test_vector[i].input_seg, - complex_test_vector[i].start_trb, - complex_test_vector[i].end_trb, - complex_test_vector[i].input_dma, - complex_test_vector[i].result_seg, - "Complex", i); - if (ret < 0) - return ret; - } - xhci_dbg(xhci, "TRB math tests passed.\n"); - return 0; -} - -static void xhci_set_hc_event_deq(struct xhci_hcd *xhci) +static void xhci_set_hc_event_deq(struct xhci_hcd *xhci, struct xhci_interrupter *ir) { u64 temp; dma_addr_t deq; - deq = xhci_trb_virt_to_dma(xhci->event_ring->deq_seg, - xhci->event_ring->dequeue); + deq = xhci_trb_virt_to_dma(ir->event_ring->deq_seg, + ir->event_ring->dequeue); if (!deq) xhci_warn(xhci, "WARN something wrong with SW event ring " "dequeue ptr.\n"); /* Update HC event ring dequeue pointer */ - temp = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); + temp = xhci_read_64(xhci, &ir->ir_set->erst_dequeue); temp &= ERST_PTR_MASK; /* Don't clear the EHB bit (which is RW1C) because * there might be more events to service. @@ -2120,7 +1985,7 @@ static void xhci_set_hc_event_deq(struct xhci_hcd *xhci) "// Write event ring dequeue pointer, " "preserving EHB bit"); xhci_write_64(xhci, ((u64) deq & (u64) ~ERST_PTR_MASK) | temp, - &xhci->ir_set->erst_dequeue); + &ir->ir_set->erst_dequeue); } static void xhci_add_in_port(struct xhci_hcd *xhci, unsigned int num_ports, @@ -2406,6 +2271,71 @@ static int xhci_setup_port_arrays(struct xhci_hcd *xhci, gfp_t flags) return 0; } +static struct xhci_interrupter * +xhci_alloc_interrupter(struct xhci_hcd *xhci, unsigned int intr_num, gfp_t flags) +{ + struct device *dev = xhci_to_hcd(xhci)->self.sysdev; + struct xhci_interrupter *ir; + u64 erst_base; + u32 erst_size; + int ret; + + if (intr_num > xhci->max_interrupters) { + xhci_warn(xhci, "Can't allocate interrupter %d, max interrupters %d\n", + intr_num, xhci->max_interrupters); + return NULL; + } + + if (xhci->interrupter) { + xhci_warn(xhci, "Can't allocate already set up interrupter %d\n", intr_num); + return NULL; + } + + ir = kzalloc_node(sizeof(*ir), flags, dev_to_node(dev)); + if (!ir) + return NULL; + + ir->ir_set = &xhci->run_regs->ir_set[intr_num]; + ir->event_ring = xhci_ring_alloc(xhci, ERST_NUM_SEGS, 1, TYPE_EVENT, + 0, flags); + if (!ir->event_ring) { + xhci_warn(xhci, "Failed to allocate interrupter %d event ring\n", intr_num); + goto fail_ir; + } + + ret = xhci_alloc_erst(xhci, ir->event_ring, &ir->erst, flags); + if (ret) { + xhci_warn(xhci, "Failed to allocate interrupter %d erst\n", intr_num); + goto fail_ev; + + } + /* set ERST count with the number of entries in the segment table */ + erst_size = readl(&ir->ir_set->erst_size); + erst_size &= ERST_SIZE_MASK; + erst_size |= ERST_NUM_SEGS; + writel(erst_size, &ir->ir_set->erst_size); + + erst_base = xhci_read_64(xhci, &ir->ir_set->erst_base); + erst_base &= ERST_BASE_RSVDP; + erst_base |= ir->erst.erst_dma_addr & ~ERST_BASE_RSVDP; + if (xhci->quirks & XHCI_WRITE_64_HI_LO) + hi_lo_writeq(erst_base, &ir->ir_set->erst_base); + else + xhci_write_64(xhci, erst_base, &ir->ir_set->erst_base); + + /* Set the event ring dequeue address of this interrupter */ + xhci_set_hc_event_deq(xhci, ir); + + return ir; + +fail_ev: + xhci_ring_free(xhci, ir->event_ring); +fail_ir: + kfree(ir); + + return NULL; +} + int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) { dma_addr_t dma; @@ -2413,7 +2343,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) unsigned int val, val2; u64 val_64; u32 page_size, temp; - int i, ret; + int i; INIT_LIST_HEAD(&xhci->cmd_list); @@ -2538,48 +2468,13 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) " from cap regs base addr", val); xhci->dba = (void __iomem *) xhci->cap_regs + val; /* Set ir_set to interrupt register set 0 */ - xhci->ir_set = &xhci->run_regs->ir_set[0]; - /* - * Event ring setup: Allocate a normal ring, but also setup - * the event ring segment table (ERST). Section 4.9.3. - */ - xhci_dbg_trace(xhci, trace_xhci_dbg_init, "// Allocating event ring"); - xhci->event_ring = xhci_ring_alloc(xhci, ERST_NUM_SEGS, 1, TYPE_EVENT, - 0, flags); - if (!xhci->event_ring) - goto fail; - if (xhci_check_trb_in_td_math(xhci) < 0) - goto fail; - - ret = xhci_alloc_erst(xhci, xhci->event_ring, &xhci->erst, flags); - if (ret) - goto fail; - - /* set ERST count with the number of entries in the segment table */ - val = readl(&xhci->ir_set->erst_size); - val &= ERST_SIZE_MASK; - val |= ERST_NUM_SEGS; - xhci_dbg_trace(xhci, trace_xhci_dbg_init, - "// Write ERST size = %i to ir_set 0 (some bits preserved)", - val); - writel(val, &xhci->ir_set->erst_size); - - xhci_dbg_trace(xhci, trace_xhci_dbg_init, - "// Set ERST entries to point to event ring."); - /* set the segment table base address */ + /* allocate and set up primary interrupter with an event ring. */ xhci_dbg_trace(xhci, trace_xhci_dbg_init, - "// Set ERST base address for ir_set 0 = 0x%llx", - (unsigned long long)xhci->erst.erst_dma_addr); - val_64 = xhci_read_64(xhci, &xhci->ir_set->erst_base); - val_64 &= ERST_PTR_MASK; - val_64 |= (xhci->erst.erst_dma_addr & (u64) ~ERST_PTR_MASK); - xhci_write_64(xhci, val_64, &xhci->ir_set->erst_base); - - /* Set the event ring dequeue address */ - xhci_set_hc_event_deq(xhci); - xhci_dbg_trace(xhci, trace_xhci_dbg_init, - "Wrote ERST address to ir_set 0."); + "Allocating primary event ring"); + xhci->interrupter = xhci_alloc_interrupter(xhci, 0, flags); + if (!xhci->interrupter) + goto fail; xhci->isoc_bei_interval = AVOID_BEI_INTERVAL_MAX; diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index f501eb3efc..d358d30569 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -36,6 +36,7 @@ #define PCI_VENDOR_ID_ETRON 0x1b6f #define PCI_DEVICE_ID_EJ168 0x7023 +#define PCI_DEVICE_ID_EJ188 0x7052 #define PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI 0x8c31 #define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31 @@ -72,8 +73,12 @@ #define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI 0x1142 #define PCI_DEVICE_ID_ASMEDIA_1142_XHCI 0x1242 #define PCI_DEVICE_ID_ASMEDIA_2142_XHCI 0x2142 +#define PCI_DEVICE_ID_ASMEDIA_3042_XHCI 0x3042 #define PCI_DEVICE_ID_ASMEDIA_3242_XHCI 0x3242 +#define PCI_DEVICE_ID_CADENCE 0x17CD +#define PCI_DEVICE_ID_CADENCE_SSP 0x0200 + static const char hcd_name[] = "xhci_hcd"; static struct hc_driver __read_mostly xhci_pci_hc_driver; @@ -276,6 +281,12 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) xhci->quirks |= XHCI_TRUST_TX_LENGTH; xhci->quirks |= XHCI_BROKEN_STREAMS; } + if (pdev->vendor == PCI_VENDOR_ID_ETRON && + pdev->device == PCI_DEVICE_ID_EJ188) { + xhci->quirks |= XHCI_RESET_ON_RESUME; + xhci->quirks |= XHCI_BROKEN_STREAMS; + } + if (pdev->vendor == PCI_VENDOR_ID_RENESAS && pdev->device == 0x0014) { xhci->quirks |= XHCI_TRUST_TX_LENGTH; @@ -321,6 +332,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == PCI_DEVICE_ID_ASMEDIA_1042A_XHCI) xhci->quirks |= XHCI_ASMEDIA_MODIFY_FLOWCONTROL; + if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && + pdev->device == PCI_DEVICE_ID_ASMEDIA_3042_XHCI) + xhci->quirks |= XHCI_RESET_ON_RESUME; + if (pdev->vendor == PCI_VENDOR_ID_TI && pdev->device == 0x8241) xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_7; @@ -346,6 +361,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) xhci->quirks |= XHCI_ZHAOXIN_TRB_FETCH; } + if (pdev->vendor == PCI_DEVICE_ID_CADENCE && + pdev->device == PCI_DEVICE_ID_CADENCE_SSP) + xhci->quirks |= XHCI_CDNS_SCTX_QUIRK; + /* xHC spec requires PCI devices to support D3hot and D3cold */ if (xhci->hci_version >= 0x120) xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; @@ -508,7 +527,7 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) pm_runtime_put_noidle(&dev->dev); if (pci_choose_state(dev, PMSG_SUSPEND) == PCI_D0) - pm_runtime_forbid(&dev->dev); + pm_runtime_get(&dev->dev); else if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW) pm_runtime_allow(&dev->dev); @@ -528,12 +547,16 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) static void xhci_pci_remove(struct pci_dev *dev) { struct xhci_hcd *xhci; + bool set_power_d3; xhci = hcd_to_xhci(pci_get_drvdata(dev)); + set_power_d3 = xhci->quirks & XHCI_SPURIOUS_WAKEUP; xhci->xhc_state |= XHCI_STATE_REMOVING; - if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW) + if (pci_choose_state(dev, PMSG_SUSPEND) == PCI_D0) + pm_runtime_put(&dev->dev); + else if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW) pm_runtime_forbid(&dev->dev); if (xhci->shared_hcd) { @@ -542,11 +565,11 @@ static void xhci_pci_remove(struct pci_dev *dev) xhci->shared_hcd = NULL; } + usb_hcd_pci_remove(dev); + /* Workaround for spurious wakeups at shutdown with HSW */ - if (xhci->quirks & XHCI_SPURIOUS_WAKEUP) + if (set_power_d3) pci_set_power_state(dev, PCI_D3hot); - - usb_hcd_pci_remove(dev); } #ifdef CONFIG_PM diff --git a/drivers/usb/host/xhci-port.h b/drivers/usb/host/xhci-port.h new file mode 100644 index 0000000000..f19efb966d --- /dev/null +++ b/drivers/usb/host/xhci-port.h @@ -0,0 +1,176 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +/* PORTSC - Port Status and Control Register - port_status_base bitmasks */ +/* true: device connected */ +#define PORT_CONNECT (1 << 0) +/* true: port enabled */ +#define PORT_PE (1 << 1) +/* bit 2 reserved and zeroed */ +/* true: port has an over-current condition */ +#define PORT_OC (1 << 3) +/* true: port reset signaling asserted */ +#define PORT_RESET (1 << 4) +/* Port Link State - bits 5:8 + * A read gives the current link PM state of the port, + * a write with Link State Write Strobe set sets the link state. + */ +#define PORT_PLS_MASK (0xf << 5) +#define XDEV_U0 (0x0 << 5) +#define XDEV_U1 (0x1 << 5) +#define XDEV_U2 (0x2 << 5) +#define XDEV_U3 (0x3 << 5) +#define XDEV_DISABLED (0x4 << 5) +#define XDEV_RXDETECT (0x5 << 5) +#define XDEV_INACTIVE (0x6 << 5) +#define XDEV_POLLING (0x7 << 5) +#define XDEV_RECOVERY (0x8 << 5) +#define XDEV_HOT_RESET (0x9 << 5) +#define XDEV_COMP_MODE (0xa << 5) +#define XDEV_TEST_MODE (0xb << 5) +#define XDEV_RESUME (0xf << 5) + +/* true: port has power (see HCC_PPC) */ +#define PORT_POWER (1 << 9) +/* bits 10:13 indicate device speed: + * 0 - undefined speed - port hasn't be initialized by a reset yet + * 1 - full speed + * 2 - low speed + * 3 - high speed + * 4 - super speed + * 5-15 reserved + */ +#define DEV_SPEED_MASK (0xf << 10) +#define XDEV_FS (0x1 << 10) +#define XDEV_LS (0x2 << 10) +#define XDEV_HS (0x3 << 10) +#define XDEV_SS (0x4 << 10) +#define XDEV_SSP (0x5 << 10) +#define DEV_UNDEFSPEED(p) (((p) & DEV_SPEED_MASK) == (0x0<<10)) +#define DEV_FULLSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_FS) +#define DEV_LOWSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_LS) +#define DEV_HIGHSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_HS) +#define DEV_SUPERSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_SS) +#define DEV_SUPERSPEEDPLUS(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP) +#define DEV_SUPERSPEED_ANY(p) (((p) & DEV_SPEED_MASK) >= XDEV_SS) +#define DEV_PORT_SPEED(p) (((p) >> 10) & 0x0f) + +/* Bits 20:23 in the Slot Context are the speed for the device */ +#define SLOT_SPEED_FS (XDEV_FS << 10) +#define SLOT_SPEED_LS (XDEV_LS << 10) +#define SLOT_SPEED_HS (XDEV_HS << 10) +#define SLOT_SPEED_SS (XDEV_SS << 10) +#define SLOT_SPEED_SSP (XDEV_SSP << 10) +/* Port Indicator Control */ +#define PORT_LED_OFF (0 << 14) +#define PORT_LED_AMBER (1 << 14) +#define PORT_LED_GREEN (2 << 14) +#define PORT_LED_MASK (3 << 14) +/* Port Link State Write Strobe - set this when changing link state */ +#define PORT_LINK_STROBE (1 << 16) +/* true: connect status change */ +#define PORT_CSC (1 << 17) +/* true: port enable change */ +#define PORT_PEC (1 << 18) +/* true: warm reset for a USB 3.0 device is done. A "hot" reset puts the port + * into an enabled state, and the device into the default state. A "warm" reset + * also resets the link, forcing the device through the link training sequence. + * SW can also look at the Port Reset register to see when warm reset is done. + */ +#define PORT_WRC (1 << 19) +/* true: over-current change */ +#define PORT_OCC (1 << 20) +/* true: reset change - 1 to 0 transition of PORT_RESET */ +#define PORT_RC (1 << 21) +/* port link status change - set on some port link state transitions: + * Transition Reason + * ------------------------------------------------------------------------------ + * - U3 to Resume Wakeup signaling from a device + * - Resume to Recovery to U0 USB 3.0 device resume + * - Resume to U0 USB 2.0 device resume + * - U3 to Recovery to U0 Software resume of USB 3.0 device complete + * - U3 to U0 Software resume of USB 2.0 device complete + * - U2 to U0 L1 resume of USB 2.1 device complete + * - U0 to U0 (???) L1 entry rejection by USB 2.1 device + * - U0 to disabled L1 entry error with USB 2.1 device + * - Any state to inactive Error on USB 3.0 port + */ +#define PORT_PLC (1 << 22) +/* port configure error change - port failed to configure its link partner */ +#define PORT_CEC (1 << 23) +#define PORT_CHANGE_MASK (PORT_CSC | PORT_PEC | PORT_WRC | PORT_OCC | \ + PORT_RC | PORT_PLC | PORT_CEC) + + +/* Cold Attach Status - xHC can set this bit to report device attached during + * Sx state. Warm port reset should be perfomed to clear this bit and move port + * to connected state. + */ +#define PORT_CAS (1 << 24) +/* wake on connect (enable) */ +#define PORT_WKCONN_E (1 << 25) +/* wake on disconnect (enable) */ +#define PORT_WKDISC_E (1 << 26) +/* wake on over-current (enable) */ +#define PORT_WKOC_E (1 << 27) +/* bits 28:29 reserved */ +/* true: device is non-removable - for USB 3.0 roothub emulation */ +#define PORT_DEV_REMOVE (1 << 30) +/* Initiate a warm port reset - complete when PORT_WRC is '1' */ +#define PORT_WR (1 << 31) + +/* We mark duplicate entries with -1 */ +#define DUPLICATE_ENTRY ((u8)(-1)) + +/* Port Power Management Status and Control - port_power_base bitmasks */ +/* Inactivity timer value for transitions into U1, in microseconds. + * Timeout can be up to 127us. 0xFF means an infinite timeout. + */ +#define PORT_U1_TIMEOUT(p) ((p) & 0xff) +#define PORT_U1_TIMEOUT_MASK 0xff +/* Inactivity timer value for transitions into U2 */ +#define PORT_U2_TIMEOUT(p) (((p) & 0xff) << 8) +#define PORT_U2_TIMEOUT_MASK (0xff << 8) +/* Bits 24:31 for port testing */ + +/* USB2 Protocol PORTSPMSC */ +#define PORT_L1S_MASK 7 +#define PORT_L1S_SUCCESS 1 +#define PORT_RWE (1 << 3) +#define PORT_HIRD(p) (((p) & 0xf) << 4) +#define PORT_HIRD_MASK (0xf << 4) +#define PORT_L1DS_MASK (0xff << 8) +#define PORT_L1DS(p) (((p) & 0xff) << 8) +#define PORT_HLE (1 << 16) +#define PORT_TEST_MODE_SHIFT 28 + +/* USB3 Protocol PORTLI Port Link Information */ +#define PORT_RX_LANES(p) (((p) >> 16) & 0xf) +#define PORT_TX_LANES(p) (((p) >> 20) & 0xf) + +/* USB2 Protocol PORTHLPMC */ +#define PORT_HIRDM(p)((p) & 3) +#define PORT_L1_TIMEOUT(p)(((p) & 0xff) << 2) +#define PORT_BESLD(p)(((p) & 0xf) << 10) + +/* use 512 microseconds as USB2 LPM L1 default timeout. */ +#define XHCI_L1_TIMEOUT 512 + +/* Set default HIRD/BESL value to 4 (350/400us) for USB2 L1 LPM resume latency. + * Safe to use with mixed HIRD and BESL systems (host and device) and is used + * by other operating systems. + * + * XHCI 1.0 errata 8/14/12 Table 13 notes: + * "Software should choose xHC BESL/BESLD field values that do not violate a + * device's resume latency requirements, + * e.g. not program values > '4' if BLC = '1' and a HIRD device is attached, + * or not program values < '4' if BLC = '0' and a BESL device is attached. + */ +#define XHCI_DEFAULT_BESL 4 + +/* + * USB3 specification define a 360ms tPollingLFPSTiemout for USB3 ports + * to complete link training. usually link trainig completes much faster + * so check status 10 times with 36ms sleep in places we need to wait for + * polling to complete. + */ +#define XHCI_PORT_POLLING_LFPS_TIME 36 diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 31d3556139..ad045eecc6 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -994,13 +994,27 @@ static int xhci_invalidate_cancelled_tds(struct xhci_virt_ep *ep) break; case TD_DIRTY: /* TD is cached, clear it */ case TD_HALTED: + case TD_CLEARING_CACHE_DEFERRED: + if (cached_td) { + if (cached_td->urb->stream_id != td->urb->stream_id) { + /* Multiple streams case, defer move dq */ + xhci_dbg(xhci, + "Move dq deferred: stream %u URB %p\n", + td->urb->stream_id, td->urb); + td->cancel_status = TD_CLEARING_CACHE_DEFERRED; + break; + } + + /* Should never happen, but clear the TD if it does */ + xhci_warn(xhci, + "Found multiple active URBs %p and %p in stream %u?\n", + td->urb, cached_td->urb, + td->urb->stream_id); + td_to_noop(xhci, ring, cached_td, false); + cached_td->cancel_status = TD_CLEARED; + } + td_to_noop(xhci, ring, td, false); td->cancel_status = TD_CLEARING_CACHE; - if (cached_td) - /* FIXME stream case, several stopped rings */ - xhci_dbg(xhci, - "Move dq past stream %u URB %p instead of stream %u URB %p\n", - td->urb->stream_id, td->urb, - cached_td->urb->stream_id, cached_td->urb); cached_td = td; break; } @@ -1020,10 +1034,16 @@ static int xhci_invalidate_cancelled_tds(struct xhci_virt_ep *ep) if (err) { /* Failed to move past cached td, just set cached TDs to no-op */ list_for_each_entry_safe(td, tmp_td, &ep->cancelled_td_list, cancelled_td_list) { - if (td->cancel_status != TD_CLEARING_CACHE) + /* + * Deferred TDs need to have the deq pointer set after the above command + * completes, so if that failed we just give up on all of them (and + * complain loudly since this could cause issues due to caching). + */ + if (td->cancel_status != TD_CLEARING_CACHE && + td->cancel_status != TD_CLEARING_CACHE_DEFERRED) continue; - xhci_dbg(xhci, "Failed to clear cancelled cached URB %p, mark clear anyway\n", - td->urb); + xhci_warn(xhci, "Failed to clear cancelled cached URB %p, mark clear anyway\n", + td->urb); td_to_noop(xhci, ring, td, false); td->cancel_status = TD_CLEARED; } @@ -1366,6 +1386,7 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id, struct xhci_ep_ctx *ep_ctx; struct xhci_slot_ctx *slot_ctx; struct xhci_td *td, *tmp_td; + bool deferred = false; ep_index = TRB_TO_EP_INDEX(le32_to_cpu(trb->generic.field[3])); stream_id = TRB_TO_STREAM_ID(le32_to_cpu(trb->generic.field[2])); @@ -1425,6 +1446,20 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id, struct xhci_stream_ctx *ctx = &ep->stream_info->stream_ctx_array[stream_id]; deq = le64_to_cpu(ctx->stream_ring) & SCTX_DEQ_MASK; + + /* + * Cadence xHCI controllers store some endpoint state + * information within Rsvd0 fields of Stream Endpoint + * context. This field is not cleared during Set TR + * Dequeue Pointer command which causes XDMA to skip + * over transfer ring and leads to data loss on stream + * pipe. + * To fix this issue driver must clear Rsvd0 field. + */ + if (xhci->quirks & XHCI_CDNS_SCTX_QUIRK) { + ctx->reserved[0] = 0; + ctx->reserved[1] = 0; + } } else { deq = le64_to_cpu(ep_ctx->deq) & ~EP_CTX_CYCLE_MASK; } @@ -1452,6 +1487,8 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id, xhci_dbg(ep->xhci, "%s: Giveback cancelled URB %p TD\n", __func__, td->urb); xhci_td_cleanup(ep->xhci, td, ep_ring, td->status); + } else if (td->cancel_status == TD_CLEARING_CACHE_DEFERRED) { + deferred = true; } else { xhci_dbg(ep->xhci, "%s: Keep cancelled URB %p TD as cancel_status is %d\n", __func__, td->urb, td->cancel_status); @@ -1461,8 +1498,17 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id, ep->ep_state &= ~SET_DEQ_PENDING; ep->queued_deq_seg = NULL; ep->queued_deq_ptr = NULL; - /* Restart any rings with pending URBs */ - ring_doorbell_for_active_rings(xhci, slot_id, ep_index); + + if (deferred) { + /* We have more streams to clear */ + xhci_dbg(ep->xhci, "%s: Pending TDs to clear, continuing with invalidation\n", + __func__); + xhci_invalidate_cancelled_tds(ep); + } else { + /* Restart any rings with pending URBs */ + xhci_dbg(ep->xhci, "%s: All TDs cleared, ring doorbell\n", __func__); + ring_doorbell_for_active_rings(xhci, slot_id, ep_index); + } } static void xhci_handle_cmd_reset_ep(struct xhci_hcd *xhci, int slot_id, @@ -1723,6 +1769,14 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, trace_xhci_handle_command(xhci->cmd_ring, &cmd_trb->generic); + cmd_comp_code = GET_COMP_CODE(le32_to_cpu(event->status)); + + /* If CMD ring stopped we own the trbs between enqueue and dequeue */ + if (cmd_comp_code == COMP_COMMAND_RING_STOPPED) { + complete_all(&xhci->cmd_ring_stop_completion); + return; + } + cmd_dequeue_dma = xhci_trb_virt_to_dma(xhci->cmd_ring->deq_seg, cmd_trb); /* @@ -1739,14 +1793,6 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, cancel_delayed_work(&xhci->cmd_timer); - cmd_comp_code = GET_COMP_CODE(le32_to_cpu(event->status)); - - /* If CMD ring stopped we own the trbs between enqueue and dequeue */ - if (cmd_comp_code == COMP_COMMAND_RING_STOPPED) { - complete_all(&xhci->cmd_ring_stop_completion); - return; - } - if (cmd->command_trb != xhci->cmd_ring->dequeue) { xhci_err(xhci, "Command completion event does not match command\n"); @@ -1897,7 +1943,8 @@ static void xhci_cavium_reset_phy_quirk(struct xhci_hcd *xhci) } static void handle_port_status(struct xhci_hcd *xhci, - union xhci_trb *event) + struct xhci_interrupter *ir, + union xhci_trb *event) { struct usb_hcd *hcd; u32 port_id; @@ -1920,7 +1967,7 @@ static void handle_port_status(struct xhci_hcd *xhci, if ((port_id <= 0) || (port_id > max_ports)) { xhci_warn(xhci, "Port change event with invalid port ID %d\n", port_id); - inc_deq(xhci, xhci->event_ring); + inc_deq(xhci, ir->event_ring); return; } @@ -2049,7 +2096,7 @@ static void handle_port_status(struct xhci_hcd *xhci, cleanup: /* Update event ring dequeue pointer before dropping the lock */ - inc_deq(xhci, xhci->event_ring); + inc_deq(xhci, ir->event_ring); /* Don't make the USB core poll the roothub if we got a bad port status * change event. Besides, at that point we can't tell which roothub @@ -2570,9 +2617,8 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep, goto finish_td; case COMP_STOPPED_LENGTH_INVALID: /* stopped on ep trb with invalid length, exclude it */ - ep_trb_len = 0; - remaining = 0; - break; + td->urb->actual_length = sum_trb_lengths(xhci, ep_ring, ep_trb); + goto finish_td; case COMP_USB_TRANSACTION_ERROR: if (xhci->quirks & XHCI_NO_SOFT_RETRY || (ep->err_count++ > MAX_SOFT_RETRY) || @@ -2611,7 +2657,8 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep, * At this point, the host controller is probably hosed and should be reset. */ static int handle_tx_event(struct xhci_hcd *xhci, - struct xhci_transfer_event *event) + struct xhci_interrupter *ir, + struct xhci_transfer_event *event) { struct xhci_virt_ep *ep; struct xhci_ring *ep_ring; @@ -2997,7 +3044,7 @@ static int handle_tx_event(struct xhci_hcd *xhci, * processing missed tds. */ if (!handling_skipped_tds) - inc_deq(xhci, xhci->event_ring); + inc_deq(xhci, ir->event_ring); /* * If ep->skip is set, it means there are missed tds on the @@ -3012,8 +3059,8 @@ static int handle_tx_event(struct xhci_hcd *xhci, err_out: xhci_err(xhci, "@%016llx %08x %08x %08x %08x\n", (unsigned long long) xhci_trb_virt_to_dma( - xhci->event_ring->deq_seg, - xhci->event_ring->dequeue), + ir->event_ring->deq_seg, + ir->event_ring->dequeue), lower_32_bits(le64_to_cpu(event->buffer)), upper_32_bits(le64_to_cpu(event->buffer)), le32_to_cpu(event->transfer_len), @@ -3027,7 +3074,7 @@ static int handle_tx_event(struct xhci_hcd *xhci, * Returns >0 for "possibly more events to process" (caller should call again), * otherwise 0 if done. In future, <0 returns should indicate error code. */ -static int xhci_handle_event(struct xhci_hcd *xhci) +static int xhci_handle_event(struct xhci_hcd *xhci, struct xhci_interrupter *ir) { union xhci_trb *event; int update_ptrs = 1; @@ -3035,18 +3082,18 @@ static int xhci_handle_event(struct xhci_hcd *xhci) int ret; /* Event ring hasn't been allocated yet. */ - if (!xhci->event_ring || !xhci->event_ring->dequeue) { - xhci_err(xhci, "ERROR event ring not ready\n"); + if (!ir || !ir->event_ring || !ir->event_ring->dequeue) { + xhci_err(xhci, "ERROR interrupter not ready\n"); return -ENOMEM; } - event = xhci->event_ring->dequeue; + event = ir->event_ring->dequeue; /* Does the HC or OS own the TRB? */ if ((le32_to_cpu(event->event_cmd.flags) & TRB_CYCLE) != - xhci->event_ring->cycle_state) + ir->event_ring->cycle_state) return 0; - trace_xhci_handle_event(xhci->event_ring, &event->generic); + trace_xhci_handle_event(ir->event_ring, &event->generic); /* * Barrier between reading the TRB_CYCLE (valid) flag above and any @@ -3061,11 +3108,11 @@ static int xhci_handle_event(struct xhci_hcd *xhci) handle_cmd_completion(xhci, &event->event_cmd); break; case TRB_PORT_STATUS: - handle_port_status(xhci, event); + handle_port_status(xhci, ir, event); update_ptrs = 0; break; case TRB_TRANSFER: - ret = handle_tx_event(xhci, &event->trans_event); + ret = handle_tx_event(xhci, ir, &event->trans_event); if (ret >= 0) update_ptrs = 0; break; @@ -3089,7 +3136,7 @@ static int xhci_handle_event(struct xhci_hcd *xhci) if (update_ptrs) /* Update SW event ring dequeue pointer */ - inc_deq(xhci, xhci->event_ring); + inc_deq(xhci, ir->event_ring); /* Are there more items on the event ring? Caller will call us again to * check. @@ -3103,16 +3150,17 @@ static int xhci_handle_event(struct xhci_hcd *xhci) * - To avoid "Event Ring Full Error" condition */ static void xhci_update_erst_dequeue(struct xhci_hcd *xhci, - union xhci_trb *event_ring_deq) + struct xhci_interrupter *ir, + union xhci_trb *event_ring_deq) { u64 temp_64; dma_addr_t deq; - temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); + temp_64 = xhci_read_64(xhci, &ir->ir_set->erst_dequeue); /* If necessary, update the HW's version of the event ring deq ptr. */ - if (event_ring_deq != xhci->event_ring->dequeue) { - deq = xhci_trb_virt_to_dma(xhci->event_ring->deq_seg, - xhci->event_ring->dequeue); + if (event_ring_deq != ir->event_ring->dequeue) { + deq = xhci_trb_virt_to_dma(ir->event_ring->deq_seg, + ir->event_ring->dequeue); if (deq == 0) xhci_warn(xhci, "WARN something wrong with SW event ring dequeue ptr\n"); /* @@ -3130,7 +3178,7 @@ static void xhci_update_erst_dequeue(struct xhci_hcd *xhci, /* Clear the event handler busy flag (RW1C) */ temp_64 |= ERST_EHB; - xhci_write_64(xhci, temp_64, &xhci->ir_set->erst_dequeue); + xhci_write_64(xhci, temp_64, &ir->ir_set->erst_dequeue); } /* @@ -3142,6 +3190,7 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); union xhci_trb *event_ring_deq; + struct xhci_interrupter *ir; irqreturn_t ret = IRQ_NONE; u64 temp_64; u32 status; @@ -3174,11 +3223,13 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) status |= STS_EINT; writel(status, &xhci->op_regs->status); + /* This is the handler of the primary interrupter */ + ir = xhci->interrupter; if (!hcd->msi_enabled) { u32 irq_pending; - irq_pending = readl(&xhci->ir_set->irq_pending); + irq_pending = readl(&ir->ir_set->irq_pending); irq_pending |= IMAN_IP; - writel(irq_pending, &xhci->ir_set->irq_pending); + writel(irq_pending, &ir->ir_set->irq_pending); } if (xhci->xhc_state & XHCI_STATE_DYING || @@ -3188,22 +3239,22 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) /* Clear the event handler busy flag (RW1C); * the event ring should be empty. */ - temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); + temp_64 = xhci_read_64(xhci, &ir->ir_set->erst_dequeue); xhci_write_64(xhci, temp_64 | ERST_EHB, - &xhci->ir_set->erst_dequeue); + &ir->ir_set->erst_dequeue); ret = IRQ_HANDLED; goto out; } - event_ring_deq = xhci->event_ring->dequeue; + event_ring_deq = ir->event_ring->dequeue; /* FIXME this should be a delayed service routine * that clears the EHB. */ - while (xhci_handle_event(xhci) > 0) { + while (xhci_handle_event(xhci, ir) > 0) { if (event_loop++ < TRBS_PER_SEGMENT / 2) continue; - xhci_update_erst_dequeue(xhci, event_ring_deq); - event_ring_deq = xhci->event_ring->dequeue; + xhci_update_erst_dequeue(xhci, ir, event_ring_deq); + event_ring_deq = ir->event_ring->dequeue; /* ring is half-full, force isoc trbs to interrupt more often */ if (xhci->isoc_bei_interval > AVOID_BEI_INTERVAL_MIN) @@ -3212,7 +3263,7 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) event_loop = 0; } - xhci_update_erst_dequeue(xhci, event_ring_deq); + xhci_update_erst_dequeue(xhci, ir, event_ring_deq); ret = IRQ_HANDLED; out: diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 2539d97b90..eb12e4c174 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -611,6 +611,7 @@ static int xhci_init(struct usb_hcd *hcd) static int xhci_run_finished(struct xhci_hcd *xhci) { + struct xhci_interrupter *ir = xhci->interrupter; unsigned long flags; u32 temp; @@ -626,8 +627,8 @@ static int xhci_run_finished(struct xhci_hcd *xhci) writel(temp, &xhci->op_regs->command); xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Enable primary interrupter"); - temp = readl(&xhci->ir_set->irq_pending); - writel(ER_IRQ_ENABLE(temp), &xhci->ir_set->irq_pending); + temp = readl(&ir->ir_set->irq_pending); + writel(ER_IRQ_ENABLE(temp), &ir->ir_set->irq_pending); if (xhci_start(xhci)) { xhci_halt(xhci); @@ -666,7 +667,7 @@ int xhci_run(struct usb_hcd *hcd) u64 temp_64; int ret; struct xhci_hcd *xhci = hcd_to_xhci(hcd); - + struct xhci_interrupter *ir = xhci->interrupter; /* Start the xHCI host controller running only after the USB 2.0 roothub * is setup. */ @@ -681,17 +682,17 @@ int xhci_run(struct usb_hcd *hcd) if (ret) return ret; - temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); + temp_64 = xhci_read_64(xhci, &ir->ir_set->erst_dequeue); temp_64 &= ~ERST_PTR_MASK; xhci_dbg_trace(xhci, trace_xhci_dbg_init, "ERST deq = 64'h%0lx", (long unsigned int) temp_64); xhci_dbg_trace(xhci, trace_xhci_dbg_init, "// Set the interrupt modulation register"); - temp = readl(&xhci->ir_set->irq_control); + temp = readl(&ir->ir_set->irq_control); temp &= ~ER_IRQ_INTERVAL_MASK; temp |= (xhci->imod_interval / 250) & ER_IRQ_INTERVAL_MASK; - writel(temp, &xhci->ir_set->irq_control); + writel(temp, &ir->ir_set->irq_control); if (xhci->quirks & XHCI_NEC_HOST) { struct xhci_command *command; @@ -767,8 +768,8 @@ static void xhci_stop(struct usb_hcd *hcd) "// Disabling event ring interrupts"); temp = readl(&xhci->op_regs->status); writel((temp & ~0x1fff) | STS_EINT, &xhci->op_regs->status); - temp = readl(&xhci->ir_set->irq_pending); - writel(ER_IRQ_DISABLE(temp), &xhci->ir_set->irq_pending); + temp = readl(&xhci->interrupter->ir_set->irq_pending); + writel(ER_IRQ_DISABLE(temp), &xhci->interrupter->ir_set->irq_pending); xhci_dbg_trace(xhci, trace_xhci_dbg_init, "cleaning up memory"); xhci_mem_cleanup(xhci); @@ -830,28 +831,36 @@ EXPORT_SYMBOL_GPL(xhci_shutdown); #ifdef CONFIG_PM static void xhci_save_registers(struct xhci_hcd *xhci) { + struct xhci_interrupter *ir = xhci->interrupter; + xhci->s3.command = readl(&xhci->op_regs->command); xhci->s3.dev_nt = readl(&xhci->op_regs->dev_notification); xhci->s3.dcbaa_ptr = xhci_read_64(xhci, &xhci->op_regs->dcbaa_ptr); xhci->s3.config_reg = readl(&xhci->op_regs->config_reg); - xhci->s3.erst_size = readl(&xhci->ir_set->erst_size); - xhci->s3.erst_base = xhci_read_64(xhci, &xhci->ir_set->erst_base); - xhci->s3.erst_dequeue = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); - xhci->s3.irq_pending = readl(&xhci->ir_set->irq_pending); - xhci->s3.irq_control = readl(&xhci->ir_set->irq_control); + + if (!ir) + return; + + ir->s3_erst_size = readl(&ir->ir_set->erst_size); + ir->s3_erst_base = xhci_read_64(xhci, &ir->ir_set->erst_base); + ir->s3_erst_dequeue = xhci_read_64(xhci, &ir->ir_set->erst_dequeue); + ir->s3_irq_pending = readl(&ir->ir_set->irq_pending); + ir->s3_irq_control = readl(&ir->ir_set->irq_control); } static void xhci_restore_registers(struct xhci_hcd *xhci) { + struct xhci_interrupter *ir = xhci->interrupter; + writel(xhci->s3.command, &xhci->op_regs->command); writel(xhci->s3.dev_nt, &xhci->op_regs->dev_notification); xhci_write_64(xhci, xhci->s3.dcbaa_ptr, &xhci->op_regs->dcbaa_ptr); writel(xhci->s3.config_reg, &xhci->op_regs->config_reg); - writel(xhci->s3.erst_size, &xhci->ir_set->erst_size); - xhci_write_64(xhci, xhci->s3.erst_base, &xhci->ir_set->erst_base); - xhci_write_64(xhci, xhci->s3.erst_dequeue, &xhci->ir_set->erst_dequeue); - writel(xhci->s3.irq_pending, &xhci->ir_set->irq_pending); - writel(xhci->s3.irq_control, &xhci->ir_set->irq_control); + writel(ir->s3_erst_size, &ir->ir_set->erst_size); + xhci_write_64(xhci, ir->s3_erst_base, &ir->ir_set->erst_base); + xhci_write_64(xhci, ir->s3_erst_dequeue, &ir->ir_set->erst_dequeue); + writel(ir->s3_irq_pending, &ir->ir_set->irq_pending); + writel(ir->s3_irq_control, &ir->ir_set->irq_control); } static void xhci_set_cmd_ring_deq(struct xhci_hcd *xhci) @@ -1212,8 +1221,8 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) xhci_dbg(xhci, "// Disabling event ring interrupts\n"); temp = readl(&xhci->op_regs->status); writel((temp & ~0x1fff) | STS_EINT, &xhci->op_regs->status); - temp = readl(&xhci->ir_set->irq_pending); - writel(ER_IRQ_DISABLE(temp), &xhci->ir_set->irq_pending); + temp = readl(&xhci->interrupter->ir_set->irq_pending); + writel(ER_IRQ_DISABLE(temp), &xhci->interrupter->ir_set->irq_pending); xhci_dbg(xhci, "cleaning up memory\n"); xhci_mem_cleanup(xhci); @@ -2954,7 +2963,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci, xhci->num_active_eps); return -ENOMEM; } - if ((xhci->quirks & XHCI_SW_BW_CHECKING) && + if ((xhci->quirks & XHCI_SW_BW_CHECKING) && !ctx_change && xhci_reserve_bandwidth(xhci, virt_dev, command->in_ctx)) { if ((xhci->quirks & XHCI_EP_LIMIT_QUIRK)) xhci_free_host_resources(xhci, ctrl_ctx); @@ -4294,8 +4303,10 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev, mutex_unlock(&xhci->mutex); ret = xhci_disable_slot(xhci, udev->slot_id); xhci_free_virt_device(xhci, udev->slot_id); - if (!ret) - xhci_alloc_dev(hcd, udev); + if (!ret) { + if (xhci_alloc_dev(hcd, udev) == 1) + xhci_setup_addressable_virt_dev(xhci, udev); + } kfree(command->completion); kfree(command); return -EPROTO; @@ -5347,6 +5358,11 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) if (xhci->hci_version > 0x100) xhci->hcc_params2 = readl(&xhci->cap_regs->hcc_params2); + /* xhci-plat or xhci-pci might have set max_interrupters already */ + if ((!xhci->max_interrupters) || + xhci->max_interrupters > HCS_MAX_INTRS(xhci->hcs_params1)) + xhci->max_interrupters = HCS_MAX_INTRS(xhci->hcs_params1); + xhci->quirks |= quirks; get_quirks(dev, xhci); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 0e46b9e45c..298938eca1 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -17,11 +17,15 @@ #include #include #include +#include /* Code sharing between pci-quirks and xhci hcd */ #include "xhci-ext-caps.h" #include "pci-quirks.h" +#include "xhci-port.h" +#include "xhci-caps.h" + /* max buffer size for trace and debug messages */ #define XHCI_MSG_MAX 500 @@ -62,90 +66,6 @@ struct xhci_cap_regs { /* Reserved up to (CAPLENGTH - 0x1C) */ }; -/* hc_capbase bitmasks */ -/* bits 7:0 - how long is the Capabilities register */ -#define HC_LENGTH(p) XHCI_HC_LENGTH(p) -/* bits 31:16 */ -#define HC_VERSION(p) (((p) >> 16) & 0xffff) - -/* HCSPARAMS1 - hcs_params1 - bitmasks */ -/* bits 0:7, Max Device Slots */ -#define HCS_MAX_SLOTS(p) (((p) >> 0) & 0xff) -#define HCS_SLOTS_MASK 0xff -/* bits 8:18, Max Interrupters */ -#define HCS_MAX_INTRS(p) (((p) >> 8) & 0x7ff) -/* bits 24:31, Max Ports - max value is 0x7F = 127 ports */ -#define HCS_MAX_PORTS(p) (((p) >> 24) & 0x7f) - -/* HCSPARAMS2 - hcs_params2 - bitmasks */ -/* bits 0:3, frames or uframes that SW needs to queue transactions - * ahead of the HW to meet periodic deadlines */ -#define HCS_IST(p) (((p) >> 0) & 0xf) -/* bits 4:7, max number of Event Ring segments */ -#define HCS_ERST_MAX(p) (((p) >> 4) & 0xf) -/* bits 21:25 Hi 5 bits of Scratchpad buffers SW must allocate for the HW */ -/* bit 26 Scratchpad restore - for save/restore HW state - not used yet */ -/* bits 27:31 Lo 5 bits of Scratchpad buffers SW must allocate for the HW */ -#define HCS_MAX_SCRATCHPAD(p) ((((p) >> 16) & 0x3e0) | (((p) >> 27) & 0x1f)) - -/* HCSPARAMS3 - hcs_params3 - bitmasks */ -/* bits 0:7, Max U1 to U0 latency for the roothub ports */ -#define HCS_U1_LATENCY(p) (((p) >> 0) & 0xff) -/* bits 16:31, Max U2 to U0 latency for the roothub ports */ -#define HCS_U2_LATENCY(p) (((p) >> 16) & 0xffff) - -/* HCCPARAMS - hcc_params - bitmasks */ -/* true: HC can use 64-bit address pointers */ -#define HCC_64BIT_ADDR(p) ((p) & (1 << 0)) -/* true: HC can do bandwidth negotiation */ -#define HCC_BANDWIDTH_NEG(p) ((p) & (1 << 1)) -/* true: HC uses 64-byte Device Context structures - * FIXME 64-byte context structures aren't supported yet. - */ -#define HCC_64BYTE_CONTEXT(p) ((p) & (1 << 2)) -/* true: HC has port power switches */ -#define HCC_PPC(p) ((p) & (1 << 3)) -/* true: HC has port indicators */ -#define HCS_INDICATOR(p) ((p) & (1 << 4)) -/* true: HC has Light HC Reset Capability */ -#define HCC_LIGHT_RESET(p) ((p) & (1 << 5)) -/* true: HC supports latency tolerance messaging */ -#define HCC_LTC(p) ((p) & (1 << 6)) -/* true: no secondary Stream ID Support */ -#define HCC_NSS(p) ((p) & (1 << 7)) -/* true: HC supports Stopped - Short Packet */ -#define HCC_SPC(p) ((p) & (1 << 9)) -/* true: HC has Contiguous Frame ID Capability */ -#define HCC_CFC(p) ((p) & (1 << 11)) -/* Max size for Primary Stream Arrays - 2^(n+1), where n is bits 12:15 */ -#define HCC_MAX_PSA(p) (1 << ((((p) >> 12) & 0xf) + 1)) -/* Extended Capabilities pointer from PCI base - section 5.3.6 */ -#define HCC_EXT_CAPS(p) XHCI_HCC_EXT_CAPS(p) - -#define CTX_SIZE(_hcc) (HCC_64BYTE_CONTEXT(_hcc) ? 64 : 32) - -/* db_off bitmask - bits 0:1 reserved */ -#define DBOFF_MASK (~0x3) - -/* run_regs_off bitmask - bits 0:4 reserved */ -#define RTSOFF_MASK (~0x1f) - -/* HCCPARAMS2 - hcc_params2 - bitmasks */ -/* true: HC supports U3 entry Capability */ -#define HCC2_U3C(p) ((p) & (1 << 0)) -/* true: HC supports Configure endpoint command Max exit latency too large */ -#define HCC2_CMC(p) ((p) & (1 << 1)) -/* true: HC supports Force Save context Capability */ -#define HCC2_FSC(p) ((p) & (1 << 2)) -/* true: HC supports Compliance Transition Capability */ -#define HCC2_CTC(p) ((p) & (1 << 3)) -/* true: HC support Large ESIT payload Capability > 48k */ -#define HCC2_LEC(p) ((p) & (1 << 4)) -/* true: HC support Configuration Information Capability */ -#define HCC2_CIC(p) ((p) & (1 << 5)) -/* true: HC support Extended TBC Capability, Isoc burst count > 65535 */ -#define HCC2_ETC(p) ((p) & (1 << 6)) - /* Number of registers per port */ #define NUM_PORT_REGS 4 @@ -291,181 +211,6 @@ struct xhci_op_regs { #define CONFIG_CIE (1 << 9) /* bits 10:31 - reserved and should be preserved */ -/* PORTSC - Port Status and Control Register - port_status_base bitmasks */ -/* true: device connected */ -#define PORT_CONNECT (1 << 0) -/* true: port enabled */ -#define PORT_PE (1 << 1) -/* bit 2 reserved and zeroed */ -/* true: port has an over-current condition */ -#define PORT_OC (1 << 3) -/* true: port reset signaling asserted */ -#define PORT_RESET (1 << 4) -/* Port Link State - bits 5:8 - * A read gives the current link PM state of the port, - * a write with Link State Write Strobe set sets the link state. - */ -#define PORT_PLS_MASK (0xf << 5) -#define XDEV_U0 (0x0 << 5) -#define XDEV_U1 (0x1 << 5) -#define XDEV_U2 (0x2 << 5) -#define XDEV_U3 (0x3 << 5) -#define XDEV_DISABLED (0x4 << 5) -#define XDEV_RXDETECT (0x5 << 5) -#define XDEV_INACTIVE (0x6 << 5) -#define XDEV_POLLING (0x7 << 5) -#define XDEV_RECOVERY (0x8 << 5) -#define XDEV_HOT_RESET (0x9 << 5) -#define XDEV_COMP_MODE (0xa << 5) -#define XDEV_TEST_MODE (0xb << 5) -#define XDEV_RESUME (0xf << 5) - -/* true: port has power (see HCC_PPC) */ -#define PORT_POWER (1 << 9) -/* bits 10:13 indicate device speed: - * 0 - undefined speed - port hasn't be initialized by a reset yet - * 1 - full speed - * 2 - low speed - * 3 - high speed - * 4 - super speed - * 5-15 reserved - */ -#define DEV_SPEED_MASK (0xf << 10) -#define XDEV_FS (0x1 << 10) -#define XDEV_LS (0x2 << 10) -#define XDEV_HS (0x3 << 10) -#define XDEV_SS (0x4 << 10) -#define XDEV_SSP (0x5 << 10) -#define DEV_UNDEFSPEED(p) (((p) & DEV_SPEED_MASK) == (0x0<<10)) -#define DEV_FULLSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_FS) -#define DEV_LOWSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_LS) -#define DEV_HIGHSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_HS) -#define DEV_SUPERSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_SS) -#define DEV_SUPERSPEEDPLUS(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP) -#define DEV_SUPERSPEED_ANY(p) (((p) & DEV_SPEED_MASK) >= XDEV_SS) -#define DEV_PORT_SPEED(p) (((p) >> 10) & 0x0f) - -/* Bits 20:23 in the Slot Context are the speed for the device */ -#define SLOT_SPEED_FS (XDEV_FS << 10) -#define SLOT_SPEED_LS (XDEV_LS << 10) -#define SLOT_SPEED_HS (XDEV_HS << 10) -#define SLOT_SPEED_SS (XDEV_SS << 10) -#define SLOT_SPEED_SSP (XDEV_SSP << 10) -/* Port Indicator Control */ -#define PORT_LED_OFF (0 << 14) -#define PORT_LED_AMBER (1 << 14) -#define PORT_LED_GREEN (2 << 14) -#define PORT_LED_MASK (3 << 14) -/* Port Link State Write Strobe - set this when changing link state */ -#define PORT_LINK_STROBE (1 << 16) -/* true: connect status change */ -#define PORT_CSC (1 << 17) -/* true: port enable change */ -#define PORT_PEC (1 << 18) -/* true: warm reset for a USB 3.0 device is done. A "hot" reset puts the port - * into an enabled state, and the device into the default state. A "warm" reset - * also resets the link, forcing the device through the link training sequence. - * SW can also look at the Port Reset register to see when warm reset is done. - */ -#define PORT_WRC (1 << 19) -/* true: over-current change */ -#define PORT_OCC (1 << 20) -/* true: reset change - 1 to 0 transition of PORT_RESET */ -#define PORT_RC (1 << 21) -/* port link status change - set on some port link state transitions: - * Transition Reason - * ------------------------------------------------------------------------------ - * - U3 to Resume Wakeup signaling from a device - * - Resume to Recovery to U0 USB 3.0 device resume - * - Resume to U0 USB 2.0 device resume - * - U3 to Recovery to U0 Software resume of USB 3.0 device complete - * - U3 to U0 Software resume of USB 2.0 device complete - * - U2 to U0 L1 resume of USB 2.1 device complete - * - U0 to U0 (???) L1 entry rejection by USB 2.1 device - * - U0 to disabled L1 entry error with USB 2.1 device - * - Any state to inactive Error on USB 3.0 port - */ -#define PORT_PLC (1 << 22) -/* port configure error change - port failed to configure its link partner */ -#define PORT_CEC (1 << 23) -#define PORT_CHANGE_MASK (PORT_CSC | PORT_PEC | PORT_WRC | PORT_OCC | \ - PORT_RC | PORT_PLC | PORT_CEC) - - -/* Cold Attach Status - xHC can set this bit to report device attached during - * Sx state. Warm port reset should be perfomed to clear this bit and move port - * to connected state. - */ -#define PORT_CAS (1 << 24) -/* wake on connect (enable) */ -#define PORT_WKCONN_E (1 << 25) -/* wake on disconnect (enable) */ -#define PORT_WKDISC_E (1 << 26) -/* wake on over-current (enable) */ -#define PORT_WKOC_E (1 << 27) -/* bits 28:29 reserved */ -/* true: device is non-removable - for USB 3.0 roothub emulation */ -#define PORT_DEV_REMOVE (1 << 30) -/* Initiate a warm port reset - complete when PORT_WRC is '1' */ -#define PORT_WR (1 << 31) - -/* We mark duplicate entries with -1 */ -#define DUPLICATE_ENTRY ((u8)(-1)) - -/* Port Power Management Status and Control - port_power_base bitmasks */ -/* Inactivity timer value for transitions into U1, in microseconds. - * Timeout can be up to 127us. 0xFF means an infinite timeout. - */ -#define PORT_U1_TIMEOUT(p) ((p) & 0xff) -#define PORT_U1_TIMEOUT_MASK 0xff -/* Inactivity timer value for transitions into U2 */ -#define PORT_U2_TIMEOUT(p) (((p) & 0xff) << 8) -#define PORT_U2_TIMEOUT_MASK (0xff << 8) -/* Bits 24:31 for port testing */ - -/* USB2 Protocol PORTSPMSC */ -#define PORT_L1S_MASK 7 -#define PORT_L1S_SUCCESS 1 -#define PORT_RWE (1 << 3) -#define PORT_HIRD(p) (((p) & 0xf) << 4) -#define PORT_HIRD_MASK (0xf << 4) -#define PORT_L1DS_MASK (0xff << 8) -#define PORT_L1DS(p) (((p) & 0xff) << 8) -#define PORT_HLE (1 << 16) -#define PORT_TEST_MODE_SHIFT 28 - -/* USB3 Protocol PORTLI Port Link Information */ -#define PORT_RX_LANES(p) (((p) >> 16) & 0xf) -#define PORT_TX_LANES(p) (((p) >> 20) & 0xf) - -/* USB2 Protocol PORTHLPMC */ -#define PORT_HIRDM(p)((p) & 3) -#define PORT_L1_TIMEOUT(p)(((p) & 0xff) << 2) -#define PORT_BESLD(p)(((p) & 0xf) << 10) - -/* use 512 microseconds as USB2 LPM L1 default timeout. */ -#define XHCI_L1_TIMEOUT 512 - -/* Set default HIRD/BESL value to 4 (350/400us) for USB2 L1 LPM resume latency. - * Safe to use with mixed HIRD and BESL systems (host and device) and is used - * by other operating systems. - * - * XHCI 1.0 errata 8/14/12 Table 13 notes: - * "Software should choose xHC BESL/BESLD field values that do not violate a - * device's resume latency requirements, - * e.g. not program values > '4' if BLC = '1' and a HIRD device is attached, - * or not program values < '4' if BLC = '0' and a BESL device is attached. - */ -#define XHCI_DEFAULT_BESL 4 - -/* - * USB3 specification define a 360ms tPollingLFPSTiemout for USB3 ports - * to complete link training. usually link trainig completes much faster - * so check status 10 times with 36ms sleep in places we need to wait for - * polling to complete. - */ -#define XHCI_PORT_POLLING_LFPS_TIME 36 - /** * struct xhci_intr_reg - Interrupt Register Set * @irq_pending: IMAN - Interrupt Management Register. Used to enable @@ -513,6 +258,9 @@ struct xhci_intr_reg { /* Preserve bits 16:31 of erst_size */ #define ERST_SIZE_MASK (0xffff << 16) +/* erst_base bitmasks */ +#define ERST_BASE_RSVDP (GENMASK_ULL(5, 0)) + /* erst_dequeue bitmasks */ /* Dequeue ERST Segment Index (DESI) - Segment number (or alias) * where the current dequeue pointer lies. This is an optional HW hint. @@ -1282,7 +1030,7 @@ enum xhci_setup_dev { /* Set TR Dequeue Pointer command TRB fields, 6.4.3.9 */ #define TRB_TO_STREAM_ID(p) ((((p) & (0xffff << 16)) >> 16)) #define STREAM_ID_FOR_TRB(p) ((((p)) & 0xffff) << 16) -#define SCT_FOR_TRB(p) (((p) << 1) & 0x7) +#define SCT_FOR_TRB(p) (((p) & 0x7) << 1) /* Link TRB specific fields */ #define TRB_TC (1<<1) @@ -1556,6 +1304,7 @@ enum xhci_cancelled_td_status { TD_DIRTY = 0, TD_HALTED, TD_CLEARING_CACHE, + TD_CLEARING_CACHE_DEFERRED, TD_CLEARED, }; @@ -1687,11 +1436,6 @@ struct s3_save { u32 dev_nt; u64 dcbaa_ptr; u32 config_reg; - u32 irq_pending; - u32 irq_control; - u32 erst_size; - u64 erst_base; - u64 erst_dequeue; }; /* Use for lpm */ @@ -1713,7 +1457,18 @@ struct xhci_bus_state { unsigned long resuming_ports; }; - +struct xhci_interrupter { + struct xhci_ring *event_ring; + struct xhci_erst erst; + struct xhci_intr_reg __iomem *ir_set; + unsigned int intr_num; + /* For interrupter registers save and restore over suspend/resume */ + u32 s3_irq_pending; + u32 s3_irq_control; + u32 s3_erst_size; + u64 s3_erst_base; + u64 s3_erst_dequeue; +}; /* * It can take up to 20 ms to transition from RExit to U0 on the * Intel Lynx Point LP xHCI host. @@ -1760,8 +1515,6 @@ struct xhci_hcd { struct xhci_op_regs __iomem *op_regs; struct xhci_run_regs __iomem *run_regs; struct xhci_doorbell_array __iomem *dba; - /* Our HCD's current interrupter register set */ - struct xhci_intr_reg __iomem *ir_set; /* Cached register copies of read-only HC data */ __u32 hcs_params1; @@ -1776,7 +1529,7 @@ struct xhci_hcd { u8 sbrn; u16 hci_version; u8 max_slots; - u8 max_interrupters; + u16 max_interrupters; u8 max_ports; u8 isoc_threshold; /* imod_interval in ns (I * 250ns) */ @@ -1796,6 +1549,7 @@ struct xhci_hcd { struct reset_control *reset; /* data structures */ struct xhci_device_context_array *dcbaa; + struct xhci_interrupter *interrupter; struct xhci_ring *cmd_ring; unsigned int cmd_ring_state; #define CMD_RING_STATE_RUNNING (1 << 0) @@ -1806,8 +1560,7 @@ struct xhci_hcd { struct delayed_work cmd_timer; struct completion cmd_ring_stop_completion; struct xhci_command *current_cmd; - struct xhci_ring *event_ring; - struct xhci_erst erst; + /* Scratchpad */ struct xhci_scratchpad *scratchpad; /* Store LPM test failed devices' information */ @@ -1908,6 +1661,8 @@ struct xhci_hcd { #define XHCI_RESET_TO_DEFAULT BIT_ULL(44) #define XHCI_ZHAOXIN_TRB_FETCH BIT_ULL(45) #define XHCI_ZHAOXIN_HOST BIT_ULL(46) +#define XHCI_WRITE_64_HI_LO BIT_ULL(47) +#define XHCI_CDNS_SCTX_QUIRK BIT_ULL(48) unsigned int num_active_eps; unsigned int limit_active_eps; diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index c8098e9b43..62b5a30edc 100644 --- a/drivers/usb/misc/appledisplay.c +++ b/drivers/usb/misc/appledisplay.c @@ -107,7 +107,12 @@ static void appledisplay_complete(struct urb *urb) case ACD_BTN_BRIGHT_UP: case ACD_BTN_BRIGHT_DOWN: pdata->button_pressed = 1; - schedule_delayed_work(&pdata->work, 0); + /* + * there is a window during which no device + * is registered + */ + if (pdata->bd ) + schedule_delayed_work(&pdata->work, 0); break; case ACD_BTN_NONE: default: @@ -202,6 +207,7 @@ static int appledisplay_probe(struct usb_interface *iface, const struct usb_device_id *id) { struct backlight_properties props; + struct backlight_device *backlight; struct appledisplay *pdata; struct usb_device *udev = interface_to_usbdev(iface); struct usb_endpoint_descriptor *endpoint; @@ -272,13 +278,14 @@ static int appledisplay_probe(struct usb_interface *iface, memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; props.max_brightness = 0xff; - pdata->bd = backlight_device_register(bl_name, NULL, pdata, + backlight = backlight_device_register(bl_name, NULL, pdata, &appledisplay_bl_data, &props); - if (IS_ERR(pdata->bd)) { + if (IS_ERR(backlight)) { dev_err(&iface->dev, "Backlight registration failed\n"); - retval = PTR_ERR(pdata->bd); + retval = PTR_ERR(backlight); goto error; } + pdata->bd = backlight; /* Try to get brightness */ brightness = appledisplay_bl_get_brightness(pdata->bd); diff --git a/drivers/usb/misc/cypress_cy7c63.c b/drivers/usb/misc/cypress_cy7c63.c index 14faec51d7..3be5551a98 100644 --- a/drivers/usb/misc/cypress_cy7c63.c +++ b/drivers/usb/misc/cypress_cy7c63.c @@ -88,6 +88,9 @@ static int vendor_command(struct cypress *dev, unsigned char request, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, address, data, iobuf, CYPRESS_MAX_REQSIZE, USB_CTRL_GET_TIMEOUT); + /* we must not process garbage */ + if (retval < 2) + goto err_buf; /* store returned data (more READs to be added) */ switch (request) { @@ -107,6 +110,7 @@ static int vendor_command(struct cypress *dev, unsigned char request, break; } +err_buf: kfree(iobuf); error: return retval; diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c index 0be8efcda1..d972c09629 100644 --- a/drivers/usb/misc/uss720.c +++ b/drivers/usb/misc/uss720.c @@ -677,7 +677,7 @@ static int uss720_probe(struct usb_interface *intf, struct parport_uss720_private *priv; struct parport *pp; unsigned char reg; - int i; + int ret; dev_dbg(&intf->dev, "probe: vendor id 0x%x, device id 0x%x\n", le16_to_cpu(usbdev->descriptor.idVendor), @@ -688,8 +688,8 @@ static int uss720_probe(struct usb_interface *intf, usb_put_dev(usbdev); return -ENODEV; } - i = usb_set_interface(usbdev, intf->altsetting->desc.bInterfaceNumber, 2); - dev_dbg(&intf->dev, "set interface result %d\n", i); + ret = usb_set_interface(usbdev, intf->altsetting->desc.bInterfaceNumber, 2); + dev_dbg(&intf->dev, "set interface result %d\n", ret); interface = intf->cur_altsetting; @@ -725,12 +725,18 @@ static int uss720_probe(struct usb_interface *intf, set_1284_register(pp, 7, 0x00, GFP_KERNEL); set_1284_register(pp, 6, 0x30, GFP_KERNEL); /* PS/2 mode */ set_1284_register(pp, 2, 0x0c, GFP_KERNEL); - /* debugging */ - get_1284_register(pp, 0, ®, GFP_KERNEL); + + /* The Belkin F5U002 Rev 2 P80453-B USB parallel port adapter shares the + * device ID 050d:0002 with some other device that works with this + * driver, but it itself does not. Detect and handle the bad cable + * here. */ + ret = get_1284_register(pp, 0, ®, GFP_KERNEL); dev_dbg(&intf->dev, "reg: %7ph\n", priv->reg); + if (ret < 0) + return ret; - i = usb_find_last_int_in_endpoint(interface, &epd); - if (!i) { + ret = usb_find_last_int_in_endpoint(interface, &epd); + if (!ret) { dev_dbg(&intf->dev, "epaddr %d interval %d\n", epd->bEndpointAddress, epd->bInterval); } diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index c640f98d20..c313cd41f7 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -507,8 +507,11 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer, __func__, retval); goto error; } - if (set && timeout) + if (set && timeout) { + spin_lock_irq(&dev->lock); dev->bbu = c2; + spin_unlock_irq(&dev->lock); + } return timeout ? count : -EIO; error: diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index 1c023c0091..ad336daa93 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -556,7 +556,7 @@ static int da8xx_probe(struct platform_device *pdev) ret = of_platform_populate(pdev->dev.of_node, NULL, da8xx_auxdata_lookup, &pdev->dev); if (ret) - return ret; + goto err_unregister_phy; memset(musb_resources, 0x00, sizeof(*musb_resources) * ARRAY_SIZE(musb_resources)); @@ -582,9 +582,13 @@ static int da8xx_probe(struct platform_device *pdev) ret = PTR_ERR_OR_ZERO(glue->musb); if (ret) { dev_err(&pdev->dev, "failed to register musb device: %d\n", ret); - usb_phy_generic_unregister(glue->usb_phy); + goto err_unregister_phy; } + return 0; + +err_unregister_phy: + usb_phy_generic_unregister(glue->usb_phy); return ret; } diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c index f3f76f2ac6..5bdbf58f3b 100644 --- a/drivers/usb/musb/sunxi.c +++ b/drivers/usb/musb/sunxi.c @@ -286,8 +286,6 @@ static int sunxi_musb_exit(struct musb *musb) if (test_bit(SUNXI_MUSB_FL_HAS_SRAM, &glue->flags)) sunxi_sram_release(musb->controller->parent); - devm_usb_put_phy(glue->dev, glue->xceiv); - return 0; } diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c index 1b24492bb4..da2546b17b 100644 --- a/drivers/usb/phy/phy.c +++ b/drivers/usb/phy/phy.c @@ -628,7 +628,7 @@ void devm_usb_put_phy(struct device *dev, struct usb_phy *phy) { int r; - r = devres_destroy(dev, devm_usb_phy_release, devm_usb_phy_match, phy); + r = devres_release(dev, devm_usb_phy_release, devm_usb_phy_match, phy); dev_WARN_ONCE(dev, r, "couldn't find PHY resource\n"); } EXPORT_SYMBOL_GPL(devm_usb_put_phy); diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index bdee78cc4a..6e95f0bb00 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -770,11 +770,12 @@ static void edge_bulk_out_data_callback(struct urb *urb) static void edge_bulk_out_cmd_callback(struct urb *urb) { struct edgeport_port *edge_port = urb->context; + struct device *dev = &urb->dev->dev; int status = urb->status; atomic_dec(&CmdUrbs); - dev_dbg(&urb->dev->dev, "%s - FREE URB %p (outstanding %d)\n", - __func__, urb, atomic_read(&CmdUrbs)); + dev_dbg(dev, "%s - FREE URB %p (outstanding %d)\n", __func__, urb, + atomic_read(&CmdUrbs)); /* clean up the transfer buffer */ @@ -784,8 +785,7 @@ static void edge_bulk_out_cmd_callback(struct urb *urb) usb_free_urb(urb); if (status) { - dev_dbg(&urb->dev->dev, - "%s - nonzero write bulk status received: %d\n", + dev_dbg(dev, "%s - nonzero write bulk status received: %d\n", __func__, status); return; } diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 925067a797..498c3cc4ea 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -1735,6 +1735,49 @@ static void mos7840_port_remove(struct usb_serial_port *port) kfree(mos7840_port); } +static int mos7840_suspend(struct usb_serial *serial, pm_message_t message) +{ + struct moschip_port *mos7840_port; + struct usb_serial_port *port; + int i; + + for (i = 0; i < serial->num_ports; ++i) { + port = serial->port[i]; + if (!tty_port_initialized(&port->port)) + continue; + + mos7840_port = usb_get_serial_port_data(port); + + usb_kill_urb(mos7840_port->read_urb); + mos7840_port->read_urb_busy = false; + } + + return 0; +} + +static int mos7840_resume(struct usb_serial *serial) +{ + struct moschip_port *mos7840_port; + struct usb_serial_port *port; + int res; + int i; + + for (i = 0; i < serial->num_ports; ++i) { + port = serial->port[i]; + if (!tty_port_initialized(&port->port)) + continue; + + mos7840_port = usb_get_serial_port_data(port); + + mos7840_port->read_urb_busy = true; + res = usb_submit_urb(mos7840_port->read_urb, GFP_NOIO); + if (res) + mos7840_port->read_urb_busy = false; + } + + return 0; +} + static struct usb_serial_driver moschip7840_4port_device = { .driver = { .owner = THIS_MODULE, @@ -1762,6 +1805,8 @@ static struct usb_serial_driver moschip7840_4port_device = { .port_probe = mos7840_port_probe, .port_remove = mos7840_port_remove, .read_bulk_callback = mos7840_bulk_in_callback, + .suspend = mos7840_suspend, + .resume = mos7840_resume, }; static struct usb_serial_driver * const serial_drivers[] = { diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index b5ee8518fc..ec737fcd2c 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -251,6 +251,7 @@ static void option_instat_callback(struct urb *urb); #define QUECTEL_VENDOR_ID 0x2c7c /* These Quectel products use Quectel's vendor ID */ #define QUECTEL_PRODUCT_EC21 0x0121 +#define QUECTEL_PRODUCT_RG650V 0x0122 #define QUECTEL_PRODUCT_EM061K_LTA 0x0123 #define QUECTEL_PRODUCT_EM061K_LMS 0x0124 #define QUECTEL_PRODUCT_EC25 0x0125 @@ -279,6 +280,7 @@ static void option_instat_callback(struct urb *urb); #define QUECTEL_PRODUCT_EG912Y 0x6001 #define QUECTEL_PRODUCT_EC200S_CN 0x6002 #define QUECTEL_PRODUCT_EC200A 0x6005 +#define QUECTEL_PRODUCT_EG916Q 0x6007 #define QUECTEL_PRODUCT_EM061K_LWW 0x6008 #define QUECTEL_PRODUCT_EM061K_LCN 0x6009 #define QUECTEL_PRODUCT_EC200T 0x6026 @@ -619,6 +621,8 @@ static void option_instat_callback(struct urb *urb); /* MeiG Smart Technology products */ #define MEIGSMART_VENDOR_ID 0x2dee +/* MeiG Smart SRM825L based on Qualcomm 315 */ +#define MEIGSMART_PRODUCT_SRM825L 0x4d22 /* MeiG Smart SLM320 based on UNISOC UIS8910 */ #define MEIGSMART_PRODUCT_SLM320 0x4d41 @@ -1268,7 +1272,10 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200S_CN, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200T, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG912Y, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG916Q, 0xff, 0x00, 0x00) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500K, 0xff, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RG650V, 0xff, 0xff, 0x30) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RG650V, 0xff, 0, 0) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) }, @@ -1378,10 +1385,16 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a0, 0xff), /* Telit FN20C04 (rmnet) */ .driver_info = RSVD(0) | NCTRL(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a2, 0xff), /* Telit FN920C04 (MBIM) */ + .driver_info = NCTRL(4) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a4, 0xff), /* Telit FN20C04 (rmnet) */ .driver_info = RSVD(0) | NCTRL(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a7, 0xff), /* Telit FN920C04 (MBIM) */ + .driver_info = NCTRL(4) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a9, 0xff), /* Telit FN20C04 (rmnet) */ .driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10aa, 0xff), /* Telit FN920C04 (MBIM) */ + .driver_info = NCTRL(3) | RSVD(4) | RSVD(5) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910), .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM), @@ -1425,6 +1438,10 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1901, 0xff), /* Telit LN940 (MBIM) */ .driver_info = NCTRL(0) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x3000, 0xff), /* Telit FN912 */ + .driver_info = RSVD(0) | NCTRL(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x3001, 0xff), /* Telit FN912 */ + .driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x7010, 0xff), /* Telit LE910-S1 (RNDIS) */ .driver_info = NCTRL(2) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x7011, 0xff), /* Telit LE910-S1 (ECM) */ @@ -1433,6 +1450,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(2) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x701b, 0xff), /* Telit LE910R1 (ECM) */ .driver_info = NCTRL(2) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x9000, 0xff), /* Telit generic core-dump device */ + .driver_info = NCTRL(0) }, { USB_DEVICE(TELIT_VENDOR_ID, 0x9010), /* Telit SBL FN980 flashing device */ .driver_info = NCTRL(0) | ZLP }, { USB_DEVICE(TELIT_VENDOR_ID, 0x9200), /* Telit LE910S1 flashing device */ @@ -2224,6 +2243,10 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_7106_2COM, 0x02, 0x02, 0x01) }, { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x02, 0x01) }, { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x7126, 0xff, 0x00, 0x00), + .driver_info = NCTRL(2) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x7127, 0xff, 0x00, 0x00), + .driver_info = NCTRL(2) | NCTRL(3) | NCTRL(4) }, { USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) }, { USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MPL200), .driver_info = RSVD(1) | RSVD(4) }, @@ -2284,6 +2307,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(3) }, { USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe0f0, 0xff), /* Foxconn T99W373 MBIM */ .driver_info = RSVD(3) }, + { USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe145, 0xff), /* Foxconn T99W651 RNDIS */ + .driver_info = RSVD(5) | RSVD(6) }, { USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 (IOT version) */ .driver_info = RSVD(4) | RSVD(5) | RSVD(6) }, { USB_DEVICE(0x1782, 0x4d10) }, /* Fibocom L610 (AT mode) */ @@ -2298,6 +2323,9 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0xff, 0x30) }, /* Fibocom FG150 Diag */ { USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0, 0) }, /* Fibocom FG150 AT */ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0111, 0xff) }, /* Fibocom FM160 (MBIM mode) */ + { USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x0112, 0xff, 0xff, 0x30) }, /* Fibocom FG132 Diag */ + { USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x0112, 0xff, 0xff, 0x40) }, /* Fibocom FG132 AT */ + { USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x0112, 0xff, 0, 0) }, /* Fibocom FG132 NMEA */ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0115, 0xff), /* Fibocom FM135 (laptop MBIM) */ .driver_info = RSVD(5) }, { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) }, /* Fibocom NL668-AM/NL652-EU (laptop MBIM) */ @@ -2321,6 +2349,32 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(4) }, { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x0115, 0xff), /* Rolling RW135-GL (laptop MBIM) */ .driver_info = RSVD(5) }, + { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x0802, 0xff), /* Rolling RW350-GL (laptop MBIM) */ + .driver_info = RSVD(5) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0100, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for Global */ + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0100, 0xff, 0x00, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0100, 0xff, 0xff, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0101, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WRD for Global SKU */ + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0101, 0xff, 0x00, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0101, 0xff, 0xff, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0106, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WRD for China SKU */ + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0106, 0xff, 0x00, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0106, 0xff, 0xff, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0111, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for SA */ + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0111, 0xff, 0x00, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0111, 0xff, 0xff, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0112, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for EU */ + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0112, 0xff, 0x00, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0112, 0xff, 0xff, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0113, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for NA */ + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0113, 0xff, 0x00, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0113, 0xff, 0xff, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0115, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for China EDU */ + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0115, 0xff, 0x00, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0115, 0xff, 0xff, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0116, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for Golbal EDU */ + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0116, 0xff, 0x00, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0116, 0xff, 0xff, 0x40) }, { USB_DEVICE_AND_INTERFACE_INFO(OPPO_VENDOR_ID, OPPO_PRODUCT_R11, 0xff, 0xff, 0x30) }, { USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x30) }, { USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x40) }, @@ -2328,6 +2382,9 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, LUAT_PRODUCT_AIR720U, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SLM320, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x30) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x60) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 40b1ab3d28..614305bd0d 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -118,6 +118,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) }, { USB_DEVICE(AT_VENDOR_ID, AT_VTKIT3_PRODUCT_ID) }, { USB_DEVICE(IBM_VENDOR_ID, IBM_PRODUCT_ID) }, + { USB_DEVICE(MACROSILICON_VENDOR_ID, MACROSILICON_MS3020_PRODUCT_ID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 732f9b13ad..d60eda7f6e 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -171,3 +171,7 @@ /* Allied Telesis VT-Kit3 */ #define AT_VENDOR_ID 0x0caa #define AT_VTKIT3_PRODUCT_ID 0x3001 + +/* Macrosilicon MS3020 */ +#define MACROSILICON_VENDOR_ID 0x345f +#define MACROSILICON_MS3020_PRODUCT_ID 0x3020 diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 703a9c5635..061ff754b3 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -166,6 +166,8 @@ static const struct usb_device_id id_table[] = { {DEVICE_SWI(0x1199, 0x9090)}, /* Sierra Wireless EM7565 QDL */ {DEVICE_SWI(0x1199, 0x9091)}, /* Sierra Wireless EM7565 */ {DEVICE_SWI(0x1199, 0x90d2)}, /* Sierra Wireless EM9191 QDL */ + {DEVICE_SWI(0x1199, 0x90e4)}, /* Sierra Wireless EM86xx QDL*/ + {DEVICE_SWI(0x1199, 0x90e5)}, /* Sierra Wireless EM86xx */ {DEVICE_SWI(0x1199, 0xc080)}, /* Sierra Wireless EM7590 QDL */ {DEVICE_SWI(0x1199, 0xc081)}, /* Sierra Wireless EM7590 */ {DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c index aaf4813e49..406cb326e8 100644 --- a/drivers/usb/serial/usb_debug.c +++ b/drivers/usb/serial/usb_debug.c @@ -69,6 +69,11 @@ static void usb_debug_process_read_urb(struct urb *urb) usb_serial_generic_process_read_urb(urb); } +static void usb_debug_init_termios(struct tty_struct *tty) +{ + tty->termios.c_lflag &= ~(ECHO | ECHONL); +} + static struct usb_serial_driver debug_device = { .driver = { .owner = THIS_MODULE, @@ -78,6 +83,7 @@ static struct usb_serial_driver debug_device = { .num_ports = 1, .bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE, .break_ctl = usb_debug_break_ctl, + .init_termios = usb_debug_init_termios, .process_read_urb = usb_debug_process_read_urb, }; @@ -89,6 +95,7 @@ static struct usb_serial_driver dbc_device = { .id_table = dbc_id_table, .num_ports = 1, .break_ctl = usb_debug_break_ctl, + .init_termios = usb_debug_init_termios, .process_read_urb = usb_debug_process_read_urb, }; diff --git a/drivers/usb/storage/alauda.c b/drivers/usb/storage/alauda.c index dcc4778d1a..17fe35083f 100644 --- a/drivers/usb/storage/alauda.c +++ b/drivers/usb/storage/alauda.c @@ -105,6 +105,8 @@ struct alauda_info { unsigned char sense_key; unsigned long sense_asc; /* additional sense code */ unsigned long sense_ascq; /* additional sense code qualifier */ + + bool media_initialized; }; #define short_pack(lsb,msb) ( ((u16)(lsb)) | ( ((u16)(msb))<<8 ) ) @@ -476,11 +478,12 @@ static int alauda_check_media(struct us_data *us) } /* Check for media change */ - if (status[0] & 0x08) { + if (status[0] & 0x08 || !info->media_initialized) { usb_stor_dbg(us, "Media change detected\n"); alauda_free_maps(&MEDIA_INFO(us)); - alauda_init_media(us); - + rc = alauda_init_media(us); + if (rc == USB_STOR_TRANSPORT_GOOD) + info->media_initialized = true; info->sense_key = UNIT_ATTENTION; info->sense_asc = 0x28; info->sense_ascq = 0x00; diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 11a551a9cd..aa61b10410 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -422,6 +422,7 @@ static void uas_data_cmplt(struct urb *urb) uas_log_cmd_state(cmnd, "data cmplt err", status); /* error: no data transfered */ scsi_set_resid(cmnd, sdb->length); + set_host_byte(cmnd, DID_ERROR); } else { scsi_set_resid(cmnd, sdb->length - urb->actual_length); } diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 20dcbccb29..41c76566d7 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2412,6 +2412,17 @@ UNUSUAL_DEV( 0xc251, 0x4003, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NOT_LOCKABLE), +/* + * Reported by Icenowy Zheng + * This is an interface for vendor-specific cryptic commands instead + * of real USB storage device. + */ +UNUSUAL_DEV( 0xe5b7, 0x0811, 0x0100, 0x0100, + "ZhuHai JieLi Technology", + "JieLi BR21", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_IGNORE_DEVICE), + /* Reported by Andrew Simmons */ UNUSUAL_DEV( 0xed06, 0x4500, 0x0001, 0x0001, "DataStor", diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 173d86d120..7c6f0de5cd 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -501,6 +501,7 @@ static void typec_altmode_release(struct device *dev) typec_altmode_put_partner(alt); altmode_id_remove(alt->adev.dev.parent, alt->id); + put_device(alt->adev.dev.parent); kfree(alt); } @@ -550,6 +551,8 @@ typec_register_altmode(struct device *parent, alt->adev.dev.type = &typec_altmode_dev_type; dev_set_name(&alt->adev.dev, "%s.%u", dev_name(parent), id); + get_device(alt->adev.dev.parent); + /* Link partners and plugs with the ports */ if (!is_port) typec_altmode_set_partner(alt); @@ -2023,6 +2026,7 @@ void typec_port_register_altmodes(struct typec_port *port, altmodes[index] = alt; index++; } + fwnode_handle_put(altmodes_node); } EXPORT_SYMBOL_GPL(typec_port_register_altmodes); diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 359c9bd784..2104bb6e61 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -1471,7 +1471,8 @@ static void svdm_consume_identity(struct tcpm_port *port, const u32 *p, int cnt) port->partner_ident.cert_stat = p[VDO_INDEX_CSTAT]; port->partner_ident.product = product; - typec_partner_set_identity(port->partner); + if (port->partner) + typec_partner_set_identity(port->partner); tcpm_log(port, "Identity: %04x:%04x.%04x", PD_IDH_VID(vdo), @@ -1559,6 +1560,9 @@ static void tcpm_register_partner_altmodes(struct tcpm_port *port) struct typec_altmode *altmode; int i; + if (!port->partner) + return; + for (i = 0; i < modep->altmodes; i++) { altmode = typec_partner_register_altmode(port->partner, &modep->altmode_desc[i]); @@ -3577,7 +3581,10 @@ static int tcpm_init_vconn(struct tcpm_port *port) static void tcpm_typec_connect(struct tcpm_port *port) { + struct typec_partner *partner; + if (!port->connected) { + port->connected = true; /* Make sure we don't report stale identity information */ memset(&port->partner_ident, 0, sizeof(port->partner_ident)); port->partner_desc.usb_pd = port->pd_capable; @@ -3587,9 +3594,13 @@ static void tcpm_typec_connect(struct tcpm_port *port) port->partner_desc.accessory = TYPEC_ACCESSORY_AUDIO; else port->partner_desc.accessory = TYPEC_ACCESSORY_NONE; - port->partner = typec_register_partner(port->typec_port, - &port->partner_desc); - port->connected = true; + partner = typec_register_partner(port->typec_port, &port->partner_desc); + if (IS_ERR(partner)) { + dev_err(port->dev, "Failed to register partner (%ld)\n", PTR_ERR(partner)); + return; + } + + port->partner = partner; } } @@ -3658,8 +3669,10 @@ static int tcpm_src_attach(struct tcpm_port *port) static void tcpm_typec_disconnect(struct tcpm_port *port) { if (port->connected) { - typec_unregister_partner(port->partner); - port->partner = NULL; + if (port->partner) { + typec_unregister_partner(port->partner); + port->partner = NULL; + } port->connected = false; } } @@ -3868,6 +3881,9 @@ static enum typec_cc_status tcpm_pwr_opmode_to_rp(enum typec_pwr_opmode opmode) static void tcpm_set_initial_svdm_version(struct tcpm_port *port) { + if (!port->partner) + return; + switch (port->negotiated_rev) { case PD_REV30: break; @@ -5351,6 +5367,7 @@ static void _tcpm_pd_hard_reset(struct tcpm_port *port) port->tcpc->set_bist_data(port->tcpc, false); switch (port->state) { + case TOGGLING: case ERROR_RECOVERY: case PORT_RESET: case PORT_RESET_WAIT_OFF: diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h index 3dc3da8dbb..656a53ccd8 100644 --- a/drivers/usb/typec/ucsi/ucsi.h +++ b/drivers/usb/typec/ucsi/ucsi.h @@ -368,7 +368,7 @@ ucsi_register_displayport(struct ucsi_connector *con, bool override, int offset, struct typec_altmode_desc *desc) { - return NULL; + return typec_port_register_altmode(con->port, desc); } static inline void diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c index 6db7c8ddd5..fb6211efb5 100644 --- a/drivers/usb/typec/ucsi/ucsi_ccg.c +++ b/drivers/usb/typec/ucsi/ucsi_ccg.c @@ -436,6 +436,8 @@ static void ucsi_ccg_update_set_new_cam_cmd(struct ucsi_ccg *uc, port = uc->orig; new_cam = UCSI_SET_NEW_CAM_GET_AM(*cmd); + if (new_cam >= ARRAY_SIZE(uc->updated)) + return; new_port = &uc->updated[new_cam]; cam = new_port->linked_idx; enter_new_mode = UCSI_SET_NEW_CAM_ENTER(*cmd); diff --git a/drivers/usb/usbip/stub_rx.c b/drivers/usb/usbip/stub_rx.c index 5dd41e8215..bb34d647cf 100644 --- a/drivers/usb/usbip/stub_rx.c +++ b/drivers/usb/usbip/stub_rx.c @@ -144,53 +144,62 @@ static int tweak_set_configuration_cmd(struct urb *urb) if (err && err != -ENODEV) dev_err(&sdev->udev->dev, "can't set config #%d, error %d\n", config, err); - return 0; + return err; } static int tweak_reset_device_cmd(struct urb *urb) { struct stub_priv *priv = (struct stub_priv *) urb->context; struct stub_device *sdev = priv->sdev; + int err; dev_info(&urb->dev->dev, "usb_queue_reset_device\n"); - if (usb_lock_device_for_reset(sdev->udev, NULL) < 0) { + err = usb_lock_device_for_reset(sdev->udev, NULL); + if (err < 0) { dev_err(&urb->dev->dev, "could not obtain lock to reset device\n"); - return 0; + return err; } - usb_reset_device(sdev->udev); + err = usb_reset_device(sdev->udev); usb_unlock_device(sdev->udev); - return 0; + return err; } /* * clear_halt, set_interface, and set_configuration require special tricks. + * Returns 1 if request was tweaked, 0 otherwise. */ -static void tweak_special_requests(struct urb *urb) +static int tweak_special_requests(struct urb *urb) { + int err; + if (!urb || !urb->setup_packet) - return; + return 0; if (usb_pipetype(urb->pipe) != PIPE_CONTROL) - return; + return 0; if (is_clear_halt_cmd(urb)) /* tweak clear_halt */ - tweak_clear_halt_cmd(urb); + err = tweak_clear_halt_cmd(urb); else if (is_set_interface_cmd(urb)) /* tweak set_interface */ - tweak_set_interface_cmd(urb); + err = tweak_set_interface_cmd(urb); else if (is_set_configuration_cmd(urb)) /* tweak set_configuration */ - tweak_set_configuration_cmd(urb); + err = tweak_set_configuration_cmd(urb); else if (is_reset_device_cmd(urb)) - tweak_reset_device_cmd(urb); - else + err = tweak_reset_device_cmd(urb); + else { usbip_dbg_stub_rx("no need to tweak\n"); + return 0; + } + + return !err; } /* @@ -468,6 +477,7 @@ static void stub_recv_cmd_submit(struct stub_device *sdev, int support_sg = 1; int np = 0; int ret, i; + int is_tweaked; if (pipe == -1) return; @@ -580,8 +590,11 @@ static void stub_recv_cmd_submit(struct stub_device *sdev, priv->urbs[i]->pipe = pipe; priv->urbs[i]->complete = stub_complete; - /* no need to submit an intercepted request, but harmless? */ - tweak_special_requests(priv->urbs[i]); + /* + * all URBs belong to a single PDU, so a global is_tweaked flag is + * enough + */ + is_tweaked = tweak_special_requests(priv->urbs[i]); masking_bogus_flags(priv->urbs[i]); } @@ -594,22 +607,32 @@ static void stub_recv_cmd_submit(struct stub_device *sdev, /* urb is now ready to submit */ for (i = 0; i < priv->num_urbs; i++) { - ret = usb_submit_urb(priv->urbs[i], GFP_KERNEL); + if (!is_tweaked) { + ret = usb_submit_urb(priv->urbs[i], GFP_KERNEL); - if (ret == 0) - usbip_dbg_stub_rx("submit urb ok, seqnum %u\n", - pdu->base.seqnum); - else { - dev_err(&udev->dev, "submit_urb error, %d\n", ret); - usbip_dump_header(pdu); - usbip_dump_urb(priv->urbs[i]); + if (ret == 0) + usbip_dbg_stub_rx("submit urb ok, seqnum %u\n", + pdu->base.seqnum); + else { + dev_err(&udev->dev, "submit_urb error, %d\n", ret); + usbip_dump_header(pdu); + usbip_dump_urb(priv->urbs[i]); + /* + * Pessimistic. + * This connection will be discarded. + */ + usbip_event_add(ud, SDEV_EVENT_ERROR_SUBMIT); + break; + } + } else { /* - * Pessimistic. - * This connection will be discarded. + * An identical URB was already submitted in + * tweak_special_requests(). Skip submitting this URB to not + * duplicate the request. */ - usbip_event_add(ud, SDEV_EVENT_ERROR_SUBMIT); - break; + priv->urbs[i]->status = 0; + stub_complete(priv->urbs[i]); } } diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c index 233265550f..6b98f5ab6d 100644 --- a/drivers/usb/usbip/vhci_hcd.c +++ b/drivers/usb/usbip/vhci_hcd.c @@ -745,6 +745,7 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flag * */ if (usb_pipedevice(urb->pipe) == 0) { + struct usb_device *old; __u8 type = usb_pipetype(urb->pipe); struct usb_ctrlrequest *ctrlreq = (struct usb_ctrlrequest *) urb->setup_packet; @@ -755,14 +756,15 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flag goto no_need_xmit; } + old = vdev->udev; switch (ctrlreq->bRequest) { case USB_REQ_SET_ADDRESS: /* set_address may come when a device is reset */ dev_info(dev, "SetAddress Request (%d) to port %d\n", ctrlreq->wValue, vdev->rhport); - usb_put_dev(vdev->udev); vdev->udev = usb_get_dev(urb->dev); + usb_put_dev(old); spin_lock(&vdev->ud.lock); vdev->ud.status = VDEV_ST_USED; @@ -781,8 +783,8 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flag usbip_dbg_vhci_hc( "Not yet?:Get_Descriptor to device 0 (get max pipe size)\n"); - usb_put_dev(vdev->udev); vdev->udev = usb_get_dev(urb->dev); + usb_put_dev(old); goto out; default: @@ -1067,6 +1069,7 @@ static void vhci_shutdown_connection(struct usbip_device *ud) static void vhci_device_reset(struct usbip_device *ud) { struct vhci_device *vdev = container_of(ud, struct vhci_device, ud); + struct usb_device *old = vdev->udev; unsigned long flags; spin_lock_irqsave(&ud->lock, flags); @@ -1074,8 +1077,8 @@ static void vhci_device_reset(struct usbip_device *ud) vdev->speed = 0; vdev->devid = 0; - usb_put_dev(vdev->udev); vdev->udev = NULL; + usb_put_dev(old); if (ud->tcp_socket) { sockfd_put(ud->tcp_socket); diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c index 5091ff9d6c..bdadc5714e 100644 --- a/drivers/vdpa/ifcvf/ifcvf_base.c +++ b/drivers/vdpa/ifcvf/ifcvf_base.c @@ -105,7 +105,7 @@ int ifcvf_init_hw(struct ifcvf_hw *hw, struct pci_dev *pdev) u32 i; ret = pci_read_config_byte(pdev, PCI_CAPABILITY_LIST, &pos); - if (ret < 0) { + if (ret) { IFCVF_ERR(pdev, "Failed to read PCI capability list\n"); return -EIO; } diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c index 564864f039..4684d4756b 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -8,6 +8,7 @@ * */ +#include "linux/virtio_net.h" #include #include #include @@ -26,6 +27,7 @@ #include #include #include +#include #include #include "iova_domain.h" @@ -1227,13 +1229,17 @@ static bool device_is_allowed(u32 device_id) return false; } -static bool features_is_valid(u64 features) +static bool features_is_valid(struct vduse_dev_config *config) { - if (!(features & (1ULL << VIRTIO_F_ACCESS_PLATFORM))) + if (!(config->features & BIT_ULL(VIRTIO_F_ACCESS_PLATFORM))) return false; /* Now we only support read-only configuration space */ - if (features & (1ULL << VIRTIO_BLK_F_CONFIG_WCE)) + if ((config->device_id == VIRTIO_ID_BLOCK) && + (config->features & BIT_ULL(VIRTIO_BLK_F_CONFIG_WCE))) + return false; + else if ((config->device_id == VIRTIO_ID_NET) && + (config->features & BIT_ULL(VIRTIO_NET_F_CTRL_VQ))) return false; return true; @@ -1260,7 +1266,7 @@ static bool vduse_validate_config(struct vduse_dev_config *config) if (!device_is_allowed(config->device_id)) return false; - if (!features_is_valid(config->features)) + if (!features_is_valid(config)) return false; return true; diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c index cb55f96b4f..f20512c413 100644 --- a/drivers/vfio/pci/vfio_pci_intrs.c +++ b/drivers/vfio/pci/vfio_pci_intrs.c @@ -181,8 +181,10 @@ static int vfio_intx_enable(struct vfio_pci_core_device *vdev, return -ENOMEM; vdev->ctx = kzalloc(sizeof(struct vfio_pci_irq_ctx), GFP_KERNEL); - if (!vdev->ctx) + if (!vdev->ctx) { + kfree(name); return -ENOMEM; + } vdev->num_ctx = 1; diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index 532e204f2b..f9930887fd 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -899,20 +899,23 @@ vhost_scsi_get_req(struct vhost_virtqueue *vq, struct vhost_scsi_ctx *vc, /* virtio-scsi spec requires byte 0 of the lun to be 1 */ vq_err(vq, "Illegal virtio-scsi lun: %u\n", *vc->lunp); } else { - struct vhost_scsi_tpg **vs_tpg, *tpg; - - vs_tpg = vhost_vq_get_backend(vq); /* validated at handler entry */ - - tpg = READ_ONCE(vs_tpg[*vc->target]); - if (unlikely(!tpg)) { - vq_err(vq, "Target 0x%x does not exist\n", *vc->target); - } else { - if (tpgp) - *tpgp = tpg; - ret = 0; + struct vhost_scsi_tpg **vs_tpg, *tpg = NULL; + + if (vc->target) { + /* validated at handler entry */ + vs_tpg = vhost_vq_get_backend(vq); + tpg = READ_ONCE(vs_tpg[*vc->target]); + if (unlikely(!tpg)) { + vq_err(vq, "Target 0x%x does not exist\n", *vc->target); + goto out; + } } - } + if (tpgp) + *tpgp = tpg; + ret = 0; + } +out: return ret; } diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index 9ca8b92d92..58ba684037 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -100,11 +100,9 @@ static void vhost_vdpa_setup_vq_irq(struct vhost_vdpa *v, u16 qid) if (irq < 0) return; - irq_bypass_unregister_producer(&vq->call_ctx.producer); if (!vq->call_ctx.ctx) return; - vq->call_ctx.producer.token = vq->call_ctx.ctx; vq->call_ctx.producer.irq = irq; ret = irq_bypass_register_producer(&vq->call_ctx.producer); if (unlikely(ret)) @@ -401,6 +399,14 @@ static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd, vq->last_avail_idx = vq_state.split.avail_index; } break; + case VHOST_SET_VRING_CALL: + if (vq->call_ctx.ctx) { + if (ops->get_status(vdpa) & + VIRTIO_CONFIG_S_DRIVER_OK) + vhost_vdpa_unsetup_vq_irq(v, idx); + vq->call_ctx.producer.token = NULL; + } + break; } r = vhost_vring_ioctl(&v->vdev, cmd, argp); @@ -432,12 +438,17 @@ static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd, if (vq->call_ctx.ctx) { cb.callback = vhost_vdpa_virtqueue_cb; cb.private = vq; + cb.trigger = vq->call_ctx.ctx; + vq->call_ctx.producer.token = vq->call_ctx.ctx; + if (ops->get_status(vdpa) & + VIRTIO_CONFIG_S_DRIVER_OK) + vhost_vdpa_setup_vq_irq(v, idx); } else { cb.callback = NULL; cb.private = NULL; + cb.trigger = NULL; } ops->set_vq_cb(vdpa, idx, &cb); - vhost_vdpa_setup_vq_irq(v, idx); break; case VHOST_SET_VRING_NUM: @@ -988,6 +999,7 @@ static int vhost_vdpa_open(struct inode *inode, struct file *filep) for (i = 0; i < nvqs; i++) { vqs[i] = &v->vqs[i]; vqs[i]->handle_kick = handle_vq_kick; + vqs[i]->call_ctx.ctx = NULL; } vhost_dev_init(dev, vqs, nvqs, 0, 0, 0, false, vhost_vdpa_process_iotlb_msg); @@ -1059,13 +1071,7 @@ static vm_fault_t vhost_vdpa_fault(struct vm_fault *vmf) notify = ops->get_vq_notification(vdpa, index); - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - if (remap_pfn_range(vma, vmf->address & PAGE_MASK, - PFN_DOWN(notify.addr), PAGE_SIZE, - vma->vm_page_prot)) - return VM_FAULT_SIGBUS; - - return VM_FAULT_NOPAGE; + return vmf_insert_pfn(vma, vmf->address & PAGE_MASK, PFN_DOWN(notify.addr)); } static const struct vm_operations_struct vhost_vdpa_vm_ops = { diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index 74ac0c28fe..531e3e139c 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -684,6 +684,7 @@ static int vhost_vsock_dev_open(struct inode *inode, struct file *file) } vsock->guest_cid = 0; /* no CID assigned yet */ + vsock->seqpacket_allow = false; atomic_set(&vsock->queued_replies, 0); @@ -842,8 +843,7 @@ static int vhost_vsock_set_features(struct vhost_vsock *vsock, u64 features) goto err; } - if (features & (1ULL << VIRTIO_VSOCK_F_SEQPACKET)) - vsock->seqpacket_allow = true; + vsock->seqpacket_allow = features & (1ULL << VIRTIO_VSOCK_F_SEQPACKET); for (i = 0; i < ARRAY_SIZE(vsock->vqs); i++) { vq = &vsock->vqs[i]; diff --git a/drivers/video/fbdev/hpfb.c b/drivers/video/fbdev/hpfb.c index 8d418abdd7..1e9c52e271 100644 --- a/drivers/video/fbdev/hpfb.c +++ b/drivers/video/fbdev/hpfb.c @@ -344,6 +344,7 @@ static int hpfb_dio_probe(struct dio_dev *d, const struct dio_device_id *ent) if (hpfb_init_one(paddr, vaddr)) { if (d->scode >= DIOII_SCBASE) iounmap((void *)vaddr); + release_mem_region(d->resource.start, resource_size(&d->resource)); return -ENOMEM; } return 0; diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index f1551e00eb..a0db2b3d07 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -2408,6 +2408,7 @@ static int pxafb_remove(struct platform_device *dev) info = &fbi->fb; pxafb_overlay_exit(fbi); + cancel_work_sync(&fbi->task); unregister_framebuffer(info); pxafb_disable_controller(fbi); diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c index c6e21ba008..ce9dc1e8bc 100644 --- a/drivers/video/fbdev/sis/sis_main.c +++ b/drivers/video/fbdev/sis/sis_main.c @@ -183,7 +183,7 @@ static void sisfb_search_mode(char *name, bool quiet) { unsigned int j = 0, xres = 0, yres = 0, depth = 0, rate = 0; int i = 0; - char strbuf[16], strbuf1[20]; + char strbuf[24], strbuf1[20]; char *nameptr = name; /* We don't know the hardware specs yet and there is no ivideo */ diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c index 72eaef2cae..1c29446aaf 100644 --- a/drivers/virtio/virtio_vdpa.c +++ b/drivers/virtio/virtio_vdpa.c @@ -182,6 +182,7 @@ virtio_vdpa_setup_vq(struct virtio_device *vdev, unsigned int index, /* Setup virtqueue callback */ cb.callback = virtio_vdpa_virtqueue_cb; cb.private = info; + cb.trigger = NULL; ops->set_vq_cb(vdpa, index, &cb); ops->set_vq_num(vdpa, index, virtqueue_get_vring_size(vq)); diff --git a/drivers/watchdog/imx_sc_wdt.c b/drivers/watchdog/imx_sc_wdt.c index 8ac021748d..79649b0e89 100644 --- a/drivers/watchdog/imx_sc_wdt.c +++ b/drivers/watchdog/imx_sc_wdt.c @@ -213,29 +213,6 @@ static int imx_sc_wdt_probe(struct platform_device *pdev) return devm_watchdog_register_device(dev, wdog); } -static int __maybe_unused imx_sc_wdt_suspend(struct device *dev) -{ - struct imx_sc_wdt_device *imx_sc_wdd = dev_get_drvdata(dev); - - if (watchdog_active(&imx_sc_wdd->wdd)) - imx_sc_wdt_stop(&imx_sc_wdd->wdd); - - return 0; -} - -static int __maybe_unused imx_sc_wdt_resume(struct device *dev) -{ - struct imx_sc_wdt_device *imx_sc_wdd = dev_get_drvdata(dev); - - if (watchdog_active(&imx_sc_wdd->wdd)) - imx_sc_wdt_start(&imx_sc_wdd->wdd); - - return 0; -} - -static SIMPLE_DEV_PM_OPS(imx_sc_wdt_pm_ops, - imx_sc_wdt_suspend, imx_sc_wdt_resume); - static const struct of_device_id imx_sc_wdt_dt_ids[] = { { .compatible = "fsl,imx-sc-wdt", }, { /* sentinel */ } @@ -247,7 +224,6 @@ static struct platform_driver imx_sc_wdt_driver = { .driver = { .name = "imx-sc-wdt", .of_match_table = imx_sc_wdt_dt_ids, - .pm = &imx_sc_wdt_pm_ops, }, }; module_platform_driver(imx_sc_wdt_driver); diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 86bcf329eb..0392841a82 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -79,9 +79,15 @@ static inline int range_straddles_page_boundary(phys_addr_t p, size_t size) { unsigned long next_bfn, xen_pfn = XEN_PFN_DOWN(p); unsigned int i, nr_pages = XEN_PFN_UP(xen_offset_in_page(p) + size); + phys_addr_t algn = 1ULL << (get_order(size) + PAGE_SHIFT); next_bfn = pfn_to_bfn(xen_pfn); + /* If buffer is physically aligned, ensure DMA alignment. */ + if (IS_ALIGNED(p, algn) && + !IS_ALIGNED((phys_addr_t)next_bfn << XEN_PAGE_SHIFT, algn)) + return 1; + for (i = 1; i < nr_pages; i++) if (pfn_to_bfn(++xen_pfn) != ++next_bfn) return 1; diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c index c2736af978..afcf4711ac 100644 --- a/fs/9p/vfs_dentry.c +++ b/fs/9p/vfs_dentry.c @@ -52,12 +52,17 @@ static int v9fs_cached_dentry_delete(const struct dentry *dentry) static void v9fs_dentry_release(struct dentry *dentry) { struct hlist_node *p, *n; + struct hlist_head head; p9_debug(P9_DEBUG_VFS, " dentry: %pd (%p)\n", dentry, dentry); - hlist_for_each_safe(p, n, (struct hlist_head *)&dentry->d_fsdata) + + spin_lock(&dentry->d_lock); + hlist_move_list((struct hlist_head *)&dentry->d_fsdata, &head); + spin_unlock(&dentry->d_lock); + + hlist_for_each_safe(p, n, &head) p9_client_clunk(hlist_entry(p, struct p9_fid, dlist)); - dentry->d_fsdata = NULL; } static int v9fs_lookup_revalidate(struct dentry *dentry, unsigned int flags) diff --git a/fs/afs/file.c b/fs/afs/file.c index b165377179..6774e1fcf7 100644 --- a/fs/afs/file.c +++ b/fs/afs/file.c @@ -512,13 +512,17 @@ static void afs_add_open_mmap(struct afs_vnode *vnode) static void afs_drop_open_mmap(struct afs_vnode *vnode) { - if (!atomic_dec_and_test(&vnode->cb_nr_mmap)) + if (atomic_add_unless(&vnode->cb_nr_mmap, -1, 1)) return; down_write(&vnode->volume->cell->fs_open_mmaps_lock); - if (atomic_read(&vnode->cb_nr_mmap) == 0) + read_seqlock_excl(&vnode->cb_lock); + // the only place where ->cb_nr_mmap may hit 0 + // see __afs_break_callback() for the other side... + if (atomic_dec_and_test(&vnode->cb_nr_mmap)) list_del_init(&vnode->cb_mmap_link); + read_sequnlock_excl(&vnode->cb_lock); up_write(&vnode->volume->cell->fs_open_mmaps_lock); flush_work(&vnode->cb_work); diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index f51f6e4d1a..a7084a720b 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -320,7 +320,7 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm) else executable_stack = EXSTACK_DEFAULT; - if (stack_size == 0) { + if (stack_size == 0 && interp_params.flags & ELF_FDPIC_FLAG_PRESENT) { stack_size = interp_params.stack_size; if (interp_params.flags & ELF_FDPIC_FLAG_EXEC_STACK) executable_stack = EXSTACK_ENABLE_X; diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c index 7ca3e0db06..250651cdce 100644 --- a/fs/binfmt_flat.c +++ b/fs/binfmt_flat.c @@ -76,8 +76,10 @@ #ifdef CONFIG_BINFMT_FLAT_NO_DATA_START_OFFSET #define DATA_START_OFFSET_WORDS (0) +#define MAX_SHARED_LIBS_UPDATE (0) #else #define DATA_START_OFFSET_WORDS (MAX_SHARED_LIBS) +#define MAX_SHARED_LIBS_UPDATE (MAX_SHARED_LIBS) #endif struct lib_info { @@ -991,7 +993,7 @@ static int load_flat_binary(struct linux_binprm *bprm) return res; /* Update data segment pointers for all libraries */ - for (i = 0; i < MAX_SHARED_LIBS; i++) { + for (i = 0; i < MAX_SHARED_LIBS_UPDATE; i++) { if (!libinfo.lib_list[i].loaded) continue; for (j = 0; j < MAX_SHARED_LIBS; j++) { diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index bb202ad369..740dac1012 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -60,12 +60,11 @@ typedef struct { char *name; struct dentry *dentry; struct file *interp_file; + refcount_t users; /* sync removal with load_misc_binary() */ } Node; static DEFINE_RWLOCK(entries_lock); static struct file_system_type bm_fs_type; -static struct vfsmount *bm_mnt; -static int entry_count; /* * Max length of the register string. Determined by: @@ -82,19 +81,23 @@ static int entry_count; */ #define MAX_REGISTER_LENGTH 1920 -/* - * Check if we support the binfmt - * if we do, return the node, else NULL - * locking is done in load_misc_binary +/** + * search_binfmt_handler - search for a binary handler for @bprm + * @misc: handle to binfmt_misc instance + * @bprm: binary for which we are looking for a handler + * + * Search for a binary type handler for @bprm in the list of registered binary + * type handlers. + * + * Return: binary type list entry on success, NULL on failure */ -static Node *check_file(struct linux_binprm *bprm) +static Node *search_binfmt_handler(struct linux_binprm *bprm) { char *p = strrchr(bprm->interp, '.'); - struct list_head *l; + Node *e; /* Walk all the registered handlers. */ - list_for_each(l, &entries) { - Node *e = list_entry(l, Node, list); + list_for_each_entry(e, &entries, list) { char *s; int j; @@ -123,9 +126,49 @@ static Node *check_file(struct linux_binprm *bprm) if (j == e->size) return e; } + return NULL; } +/** + * get_binfmt_handler - try to find a binary type handler + * @misc: handle to binfmt_misc instance + * @bprm: binary for which we are looking for a handler + * + * Try to find a binfmt handler for the binary type. If one is found take a + * reference to protect against removal via bm_{entry,status}_write(). + * + * Return: binary type list entry on success, NULL on failure + */ +static Node *get_binfmt_handler(struct linux_binprm *bprm) +{ + Node *e; + + read_lock(&entries_lock); + e = search_binfmt_handler(bprm); + if (e) + refcount_inc(&e->users); + read_unlock(&entries_lock); + return e; +} + +/** + * put_binfmt_handler - put binary handler node + * @e: node to put + * + * Free node syncing with load_misc_binary() and defer final free to + * load_misc_binary() in case it is using the binary type handler we were + * requested to remove. + */ +static void put_binfmt_handler(Node *e) +{ + if (refcount_dec_and_test(&e->users)) { + if (e->flags & MISC_FMT_OPEN_FILE) + filp_close(e->interp_file, NULL); + kfree(e); + } +} + /* * the loader itself */ @@ -139,12 +182,7 @@ static int load_misc_binary(struct linux_binprm *bprm) if (!enabled) return retval; - /* to keep locking time low, we copy the interpreter string */ - read_lock(&entries_lock); - fmt = check_file(bprm); - if (fmt) - dget(fmt->dentry); - read_unlock(&entries_lock); + fmt = get_binfmt_handler(bprm); if (!fmt) return retval; @@ -198,7 +236,16 @@ static int load_misc_binary(struct linux_binprm *bprm) retval = 0; ret: - dput(fmt->dentry); + + /* + * If we actually put the node here all concurrent calls to + * load_misc_binary() will have finished. We also know + * that for the refcount to be zero ->evict_inode() must have removed + * the node to be deleted from the list. All that is left for us is to + * close and free. + */ + put_binfmt_handler(fmt); + return retval; } @@ -553,30 +600,90 @@ static struct inode *bm_get_inode(struct super_block *sb, int mode) return inode; } +/** + * bm_evict_inode - cleanup data associated with @inode + * @inode: inode to which the data is attached + * + * Cleanup the binary type handler data associated with @inode if a binary type + * entry is removed or the filesystem is unmounted and the super block is + * shutdown. + * + * If the ->evict call was not caused by a super block shutdown but by a write + * to remove the entry or all entries via bm_{entry,status}_write() the entry + * will have already been removed from the list. We keep the list_empty() check + * to make that explicit. +*/ static void bm_evict_inode(struct inode *inode) { Node *e = inode->i_private; - if (e && e->flags & MISC_FMT_OPEN_FILE) - filp_close(e->interp_file, NULL); - clear_inode(inode); - kfree(e); + + if (e) { + write_lock(&entries_lock); + if (!list_empty(&e->list)) + list_del_init(&e->list); + write_unlock(&entries_lock); + put_binfmt_handler(e); + } } -static void kill_node(Node *e) +/** + * unlink_binfmt_dentry - remove the dentry for the binary type handler + * @dentry: dentry associated with the binary type handler + * + * Do the actual filesystem work to remove a dentry for a registered binary + * type handler. Since binfmt_misc only allows simple files to be created + * directly under the root dentry of the filesystem we ensure that we are + * indeed passed a dentry directly beneath the root dentry, that the inode + * associated with the root dentry is locked, and that it is a regular file we + * are asked to remove. + */ +static void unlink_binfmt_dentry(struct dentry *dentry) { - struct dentry *dentry; + struct dentry *parent = dentry->d_parent; + struct inode *inode, *parent_inode; + + /* All entries are immediate descendants of the root dentry. */ + if (WARN_ON_ONCE(dentry->d_sb->s_root != parent)) + return; + /* We only expect to be called on regular files. */ + inode = d_inode(dentry); + if (WARN_ON_ONCE(!S_ISREG(inode->i_mode))) + return; + + /* The parent inode must be locked. */ + parent_inode = d_inode(parent); + if (WARN_ON_ONCE(!inode_is_locked(parent_inode))) + return; + + if (simple_positive(dentry)) { + dget(dentry); + simple_unlink(parent_inode, dentry); + d_delete(dentry); + dput(dentry); + } +} + +/** + * remove_binfmt_handler - remove a binary type handler + * @misc: handle to binfmt_misc instance + * @e: binary type handler to remove + * + * Remove a binary type handler from the list of binary type handlers and + * remove its associated dentry. This is called from + * binfmt_{entry,status}_write(). In the future, we might want to think about + * adding a proper ->unlink() method to binfmt_misc instead of forcing caller's + * to use writes to files in order to delete binary type handlers. But it has + * worked for so long that it's not a pressing issue. + */ +static void remove_binfmt_handler(Node *e) +{ write_lock(&entries_lock); list_del_init(&e->list); write_unlock(&entries_lock); - - dentry = e->dentry; - drop_nlink(d_inode(dentry)); - d_drop(dentry); - dput(dentry); - simple_release_fs(&bm_mnt, &entry_count); + unlink_binfmt_dentry(e->dentry); } /* / */ @@ -603,8 +710,8 @@ bm_entry_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) static ssize_t bm_entry_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) { - struct dentry *root; - Node *e = file_inode(file)->i_private; + struct inode *inode = file_inode(file); + Node *e = inode->i_private; int res = parse_command(buffer, count); switch (res) { @@ -618,13 +725,22 @@ static ssize_t bm_entry_write(struct file *file, const char __user *buffer, break; case 3: /* Delete this handler. */ - root = file_inode(file)->i_sb->s_root; - inode_lock(d_inode(root)); + inode = d_inode(inode->i_sb->s_root); + inode_lock(inode); + /* + * In order to add new element or remove elements from the list + * via bm_{entry,register,status}_write() inode_lock() on the + * root inode must be held. + * The lock is exclusive ensuring that the list can't be + * modified. Only load_misc_binary() can access but does so + * read-only. So we only need to take the write lock when we + * actually remove the entry from the list. + */ if (!list_empty(&e->list)) - kill_node(e); + remove_binfmt_handler(e); - inode_unlock(d_inode(root)); + inode_unlock(inode); break; default: return res; @@ -683,13 +799,7 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer, if (!inode) goto out2; - err = simple_pin_fs(&bm_fs_type, &bm_mnt, &entry_count); - if (err) { - iput(inode); - inode = NULL; - goto out2; - } - + refcount_set(&e->users, 1); e->dentry = dget(dentry); inode->i_private = e; inode->i_fop = &bm_entry_operations; @@ -733,7 +843,8 @@ static ssize_t bm_status_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) { int res = parse_command(buffer, count); - struct dentry *root; + Node *e, *next; + struct inode *inode; switch (res) { case 1: @@ -746,13 +857,22 @@ static ssize_t bm_status_write(struct file *file, const char __user *buffer, break; case 3: /* Delete all handlers. */ - root = file_inode(file)->i_sb->s_root; - inode_lock(d_inode(root)); + inode = d_inode(file_inode(file)->i_sb->s_root); + inode_lock(inode); - while (!list_empty(&entries)) - kill_node(list_first_entry(&entries, Node, list)); + /* + * In order to add new element or remove elements from the list + * via bm_{entry,register,status}_write() inode_lock() on the + * root inode must be held. + * The lock is exclusive ensuring that the list can't be + * modified. Only load_misc_binary() can access but does so + * read-only. So we only need to take the write lock when we + * actually remove the entry from the list. + */ + list_for_each_entry_safe(e, next, &entries, list) + remove_binfmt_handler(e); - inode_unlock(d_inode(root)); + inode_unlock(inode); break; default: return res; diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index 4ca6828586..2c5bd2ad69 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -1493,6 +1493,7 @@ void btrfs_reclaim_bgs_work(struct work_struct *work) container_of(work, struct btrfs_fs_info, reclaim_bgs_work); struct btrfs_block_group *bg; struct btrfs_space_info *space_info; + LIST_HEAD(retry_list); if (!test_bit(BTRFS_FS_OPEN, &fs_info->flags)) return; @@ -1583,8 +1584,20 @@ void btrfs_reclaim_bgs_work(struct work_struct *work) } next: - if (ret) - btrfs_mark_bg_to_reclaim(bg); + if (ret) { + /* Refcount held by the reclaim_bgs list after splice. */ + spin_lock(&fs_info->unused_bgs_lock); + /* + * This block group might be added to the unused list + * during the above process. Move it back to the + * reclaim list otherwise. + */ + if (list_empty(&bg->bg_list)) { + btrfs_get_block_group(bg); + list_add_tail(&bg->bg_list, &retry_list); + } + spin_unlock(&fs_info->unused_bgs_lock); + } btrfs_put_block_group(bg); mutex_unlock(&fs_info->reclaim_bgs_lock); @@ -1604,6 +1617,9 @@ void btrfs_reclaim_bgs_work(struct work_struct *work) spin_unlock(&fs_info->unused_bgs_lock); mutex_unlock(&fs_info->reclaim_bgs_lock); end: + spin_lock(&fs_info->unused_bgs_lock); + list_splice_tail(&retry_list, &fs_info->reclaim_bgs); + spin_unlock(&fs_info->unused_bgs_lock); btrfs_exclop_finish(fs_info); sb_end_write(fs_info->sb); } @@ -3370,6 +3386,8 @@ void btrfs_free_reserved_bytes(struct btrfs_block_group *cache, spin_lock(&cache->lock); if (cache->ro) space_info->bytes_readonly += num_bytes; + else if (btrfs_is_zoned(cache->fs_info)) + space_info->bytes_zone_unusable += num_bytes; cache->reserved -= num_bytes; space_info->bytes_reserved -= num_bytes; space_info->max_extent_size = 0; diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 8b53313bf3..0b8c8b5094 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -306,8 +306,16 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans, } owner = btrfs_header_owner(buf); - BUG_ON(owner == BTRFS_TREE_RELOC_OBJECTID && - !(flags & BTRFS_BLOCK_FLAG_FULL_BACKREF)); + if (unlikely(owner == BTRFS_TREE_RELOC_OBJECTID && + !(flags & BTRFS_BLOCK_FLAG_FULL_BACKREF))) { + btrfs_crit(fs_info, +"found tree block at bytenr %llu level %d root %llu refs %llu flags %llx without full backref flag set", + buf->start, btrfs_header_level(buf), + btrfs_root_id(root), refs, flags); + ret = -EUCLEAN; + btrfs_abort_transaction(trans, ret); + return ret; + } if (refs > 1) { if ((owner == root->root_key.objectid || diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index 8d8b455992..fa4a5053ca 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -901,7 +901,7 @@ static void btrfs_release_delayed_inode(struct btrfs_delayed_node *delayed_node) if (delayed_node && test_bit(BTRFS_DELAYED_NODE_INODE_DIRTY, &delayed_node->flags)) { - BUG_ON(!delayed_node->root); + ASSERT(delayed_node->root); clear_bit(BTRFS_DELAYED_NODE_INODE_DIRTY, &delayed_node->flags); delayed_node->count--; diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c index ca848b1834..83c647d2ff 100644 --- a/fs/btrfs/delayed-ref.c +++ b/fs/btrfs/delayed-ref.c @@ -608,7 +608,7 @@ static int insert_delayed_ref(struct btrfs_trans_handle *trans, &href->ref_add_list); else if (ref->action == BTRFS_DROP_DELAYED_REF) { ASSERT(!list_empty(&exist->add_list)); - list_del(&exist->add_list); + list_del_init(&exist->add_list); } else { ASSERT(0); } diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index c1dfde886b..73796da9a1 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -4395,6 +4395,17 @@ void __cold close_ctree(struct btrfs_fs_info *fs_info) /* clear out the rbtree of defraggable inodes */ btrfs_cleanup_defrag_inodes(fs_info); + /* + * Wait for any fixup workers to complete. + * If we don't wait for them here and they are still running by the time + * we call kthread_stop() against the cleaner kthread further below, we + * get an use-after-free on the cleaner because the fixup worker adds an + * inode to the list of delayed iputs and then attempts to wakeup the + * cleaner kthread, which was already stopped and destroyed. We parked + * already the cleaner, but below we run all pending delayed iputs. + */ + btrfs_flush_workqueue(fs_info->fixup_workers); + /* * After we parked the cleaner kthread, ordered extents may have * completed and created new delayed iputs. If one of the async reclaim @@ -4707,19 +4718,11 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans, struct btrfs_fs_info *fs_info) { struct rb_node *node; - struct btrfs_delayed_ref_root *delayed_refs; + struct btrfs_delayed_ref_root *delayed_refs = &trans->delayed_refs; struct btrfs_delayed_ref_node *ref; int ret = 0; - delayed_refs = &trans->delayed_refs; - spin_lock(&delayed_refs->lock); - if (atomic_read(&delayed_refs->num_entries) == 0) { - spin_unlock(&delayed_refs->lock); - btrfs_debug(fs_info, "delayed_refs has NO entry"); - return ret; - } - while ((node = rb_first_cached(&delayed_refs->href_root)) != NULL) { struct btrfs_delayed_ref_head *head; struct rb_node *n; diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 24cbddc0b3..8a526b9e89 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -5027,7 +5027,15 @@ static noinline void reada_walk_down(struct btrfs_trans_handle *trans, /* We don't care about errors in readahead. */ if (ret < 0) continue; - BUG_ON(refs == 0); + + /* + * This could be racey, it's conceivable that we raced and end + * up with a bogus refs count, if that's the case just skip, if + * we are actually corrupt we will notice when we look up + * everything again with our locks. + */ + if (refs == 0) + continue; if (wc->stage == DROP_REFERENCE) { if (refs == 1) @@ -5086,7 +5094,7 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans, if (lookup_info && ((wc->stage == DROP_REFERENCE && wc->refs[level] != 1) || (wc->stage == UPDATE_BACKREF && !(wc->flags[level] & flag)))) { - BUG_ON(!path->locks[level]); + ASSERT(path->locks[level]); ret = btrfs_lookup_extent_info(trans, fs_info, eb->start, level, 1, &wc->refs[level], @@ -5094,7 +5102,11 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans, BUG_ON(ret == -ENOMEM); if (ret) return ret; - BUG_ON(wc->refs[level] == 0); + if (unlikely(wc->refs[level] == 0)) { + btrfs_err(fs_info, "bytenr %llu has 0 references, expect > 0", + eb->start); + return -EUCLEAN; + } } if (wc->stage == DROP_REFERENCE) { @@ -5110,7 +5122,7 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans, /* wc->stage == UPDATE_BACKREF */ if (!(wc->flags[level] & flag)) { - BUG_ON(!path->locks[level]); + ASSERT(path->locks[level]); ret = btrfs_inc_ref(trans, root, eb, 1); BUG_ON(ret); /* -ENOMEM */ ret = btrfs_dec_ref(trans, root, eb, 0); @@ -5224,8 +5236,9 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, goto out_unlock; if (unlikely(wc->refs[level - 1] == 0)) { - btrfs_err(fs_info, "Missing references."); - ret = -EIO; + btrfs_err(fs_info, "bytenr %llu has 0 references, expect > 0", + bytenr); + ret = -EUCLEAN; goto out_unlock; } *lookup_info = 0; @@ -5426,7 +5439,12 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans, path->locks[level] = 0; return ret; } - BUG_ON(wc->refs[level] == 0); + if (unlikely(wc->refs[level] == 0)) { + btrfs_tree_unlock_rw(eb, path->locks[level]); + btrfs_err(fs_info, "bytenr %llu has 0 references, expect > 0", + eb->start); + return -EUCLEAN; + } if (wc->refs[level] == 1) { btrfs_tree_unlock_rw(eb, path->locks[level]); path->locks[level] = 0; diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index eae622ef4c..44160d4ad5 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1983,22 +1983,28 @@ static ssize_t btrfs_direct_write(struct kiocb *iocb, struct iov_iter *from) * So here we disable page faults in the iov_iter and then retry if we * got -EFAULT, faulting in the pages before the retry. */ +again: from->nofault = true; dio = __iomap_dio_rw(iocb, from, &btrfs_dio_iomap_ops, &btrfs_dio_ops, IOMAP_DIO_PARTIAL, written); from->nofault = false; - /* - * iomap_dio_complete() will call btrfs_sync_file() if we have a dsync - * iocb, and that needs to lock the inode. So unlock it before calling - * iomap_dio_complete() to avoid a deadlock. - */ - btrfs_inode_unlock(inode, ilock_flags); - - if (IS_ERR_OR_NULL(dio)) + if (IS_ERR_OR_NULL(dio)) { err = PTR_ERR_OR_ZERO(dio); - else + } else { + /* + * If we have a synchoronous write, we must make sure the fsync + * triggered by the iomap_dio_complete() call below doesn't + * deadlock on the inode lock - we are already holding it and we + * can't call it after unlocking because we may need to complete + * partial writes due to the input buffer (or parts of it) not + * being already faulted in. + */ + ASSERT(current->journal_info == NULL); + current->journal_info = BTRFS_TRANS_DIO_WRITE_STUB; err = iomap_dio_complete(dio); + current->journal_info = NULL; + } /* No increment (+=) because iomap returns a cumulative value. */ if (err > 0) @@ -2025,10 +2031,12 @@ static ssize_t btrfs_direct_write(struct kiocb *iocb, struct iov_iter *from) } else { fault_in_iov_iter_readable(from, left); prev_left = left; - goto relock; + goto again; } } + btrfs_inode_unlock(inode, ilock_flags); + /* If 'err' is -ENOTBLK then it means we must fallback to buffered IO. */ if ((err < 0 && err != -ENOTBLK) || !iov_iter_count(from)) goto out; @@ -2186,6 +2194,13 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) int ret = 0, err; u64 len; bool full_sync; + bool skip_ilock = false; + + if (current->journal_info == BTRFS_TRANS_DIO_WRITE_STUB) { + skip_ilock = true; + current->journal_info = NULL; + lockdep_assert_held(&inode->i_rwsem); + } trace_btrfs_sync_file(file, datasync); @@ -2213,7 +2228,10 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) if (ret) goto out; - btrfs_inode_lock(inode, BTRFS_ILOCK_MMAP); + if (skip_ilock) + down_write(&BTRFS_I(inode)->i_mmap_lock); + else + btrfs_inode_lock(inode, BTRFS_ILOCK_MMAP); atomic_inc(&root->log_batch); @@ -2245,7 +2263,10 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) */ ret = start_ordered_ops(inode, start, end); if (ret) { - btrfs_inode_unlock(inode, BTRFS_ILOCK_MMAP); + if (skip_ilock) + up_write(&BTRFS_I(inode)->i_mmap_lock); + else + btrfs_inode_unlock(inode, BTRFS_ILOCK_MMAP); goto out; } @@ -2337,7 +2358,10 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) * file again, but that will end up using the synchronization * inside btrfs_sync_log to keep things safe. */ - btrfs_inode_unlock(inode, BTRFS_ILOCK_MMAP); + if (skip_ilock) + up_write(&BTRFS_I(inode)->i_mmap_lock); + else + btrfs_inode_unlock(inode, BTRFS_ILOCK_MMAP); if (ret == BTRFS_NO_LOG_SYNC) { ret = btrfs_end_transaction(trans); @@ -2404,7 +2428,10 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) out_release_extents: btrfs_release_log_ctx_extents(&ctx); - btrfs_inode_unlock(inode, BTRFS_ILOCK_MMAP); + if (skip_ilock) + up_write(&BTRFS_I(inode)->i_mmap_lock); + else + btrfs_inode_unlock(inode, BTRFS_ILOCK_MMAP); goto out; } diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 9161bc4f40..ed8729c990 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -829,6 +829,7 @@ static int __load_free_space_cache(struct btrfs_root *root, struct inode *inode, spin_unlock(&ctl->tree_lock); btrfs_err(fs_info, "Duplicate entries in free space cache, dumping"); + kmem_cache_free(btrfs_free_space_bitmap_cachep, e->bitmap); kmem_cache_free(btrfs_free_space_cachep, e); goto free_cache; } @@ -1786,9 +1787,9 @@ static void bitmap_clear_bits(struct btrfs_free_space_ctl *ctl, ctl->free_space -= bytes; } -static void bitmap_set_bits(struct btrfs_free_space_ctl *ctl, - struct btrfs_free_space *info, u64 offset, - u64 bytes) +static void btrfs_bitmap_set_bits(struct btrfs_free_space_ctl *ctl, + struct btrfs_free_space *info, u64 offset, + u64 bytes) { unsigned long start, count, end; int extent_delta = 1; @@ -2084,7 +2085,7 @@ static u64 add_bytes_to_bitmap(struct btrfs_free_space_ctl *ctl, bytes_to_set = min(end - offset, bytes); - bitmap_set_bits(ctl, info, offset, bytes_to_set); + btrfs_bitmap_set_bits(ctl, info, offset, bytes_to_set); /* * We set some bytes, we have no idea what the max extent size is diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 07c6ab4ba0..eb12ba64ac 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4199,6 +4199,7 @@ static int __btrfs_unlink_inode(struct btrfs_trans_handle *trans, btrfs_i_size_write(dir, dir->vfs_inode.i_size - name_len * 2); inode_inc_iversion(&inode->vfs_inode); + inode_set_ctime_current(&inode->vfs_inode); inode_inc_iversion(&dir->vfs_inode); inode->vfs_inode.i_ctime = dir->vfs_inode.i_mtime = dir->vfs_inode.i_ctime = current_time(&inode->vfs_inode); @@ -4411,7 +4412,14 @@ static noinline int may_destroy_subvol(struct btrfs_root *root) ret = btrfs_search_slot(NULL, fs_info->tree_root, &key, path, 0, 0); if (ret < 0) goto out; - BUG_ON(ret == 0); + if (ret == 0) { + /* + * Key with offset -1 found, there would have to exist a root + * with such id, but this is out of valid range. + */ + ret = -EUCLEAN; + goto out; + } ret = 0; if (path->slots[0] > 0) { @@ -6041,7 +6049,7 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry) struct inode *inode; struct btrfs_root *root = BTRFS_I(dir)->root; struct btrfs_root *sub_root = root; - struct btrfs_key location; + struct btrfs_key location = { 0 }; u8 di_type = 0; int ret = 0; diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index c50cabf694..6cff41c46d 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -1196,7 +1196,7 @@ int btrfs_quota_enable(struct btrfs_fs_info *fs_info) int btrfs_quota_disable(struct btrfs_fs_info *fs_info) { - struct btrfs_root *quota_root; + struct btrfs_root *quota_root = NULL; struct btrfs_trans_handle *trans = NULL; int ret = 0; @@ -1290,9 +1290,9 @@ int btrfs_quota_disable(struct btrfs_fs_info *fs_info) btrfs_free_tree_block(trans, btrfs_root_id(quota_root), quota_root->node, 0, 1); - btrfs_put_root(quota_root); out: + btrfs_put_root(quota_root); mutex_unlock(&fs_info->qgroup_ioctl_lock); if (ret && trans) btrfs_end_transaction(trans); @@ -2648,8 +2648,6 @@ int btrfs_qgroup_account_extent(struct btrfs_trans_handle *trans, u64 bytenr, if (nr_old_roots == 0 && nr_new_roots == 0) goto out_free; - BUG_ON(!fs_info->quota_root); - trace_btrfs_qgroup_account_extent(fs_info, trans->transid, bytenr, num_bytes, nr_old_roots, nr_new_roots); @@ -3679,6 +3677,8 @@ static int try_flush_qgroup(struct btrfs_root *root) return 0; } + btrfs_run_delayed_iputs(root->fs_info); + btrfs_wait_on_delayed_iputs(root->fs_info); ret = btrfs_start_delalloc_snapshot(root, true); if (ret < 0) goto out; diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index dd8d47958a..87f302a413 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -919,7 +919,7 @@ int btrfs_update_reloc_root(struct btrfs_trans_handle *trans, btrfs_grab_root(reloc_root); /* root->reloc_root will stay until current relocation finished */ - if (fs_info->reloc_ctl->merge_reloc_tree && + if (fs_info->reloc_ctl && fs_info->reloc_ctl->merge_reloc_tree && btrfs_root_refs(root_item) == 0) { set_bit(BTRFS_ROOT_DEAD_RELOC_TREE, &root->state); /* diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index c2842e892e..577980b33a 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -695,7 +695,12 @@ static int begin_cmd(struct send_ctx *sctx, int cmd) if (WARN_ON(!sctx->send_buf)) return -EINVAL; - BUG_ON(sctx->send_size); + if (unlikely(sctx->send_size != 0)) { + btrfs_err(sctx->send_root->fs_info, + "send: command header buffer not empty cmd %d offset %llu", + cmd, sctx->send_off); + return -EINVAL; + } sctx->send_size += sizeof(*hdr); hdr = (struct btrfs_cmd_header *)sctx->send_buf; @@ -6877,8 +6882,8 @@ static int tree_move_down(struct btrfs_path *path, int *level, u64 reada_min_gen u64 reada_done = 0; lockdep_assert_held_read(&parent->fs_info->commit_root_sem); + ASSERT(*level != 0); - BUG_ON(*level == 0); eb = btrfs_read_node_slot(parent, slot); if (IS_ERR(eb)) return PTR_ERR(eb); diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index 0ded32bbd0..a06bc6ad47 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -11,6 +11,12 @@ #include "delayed-ref.h" #include "ctree.h" +/* + * Signal that a direct IO write is in progress, to avoid deadlock for sync + * direct IO writes when fsync is called during the direct IO write path. + */ +#define BTRFS_TRANS_DIO_WRITE_STUB ((void *) 1) + enum btrfs_trans_state { TRANS_STATE_RUNNING, TRANS_STATE_COMMIT_START, diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c index a190ae887b..97f3c83e6a 100644 --- a/fs/btrfs/tree-checker.c +++ b/fs/btrfs/tree-checker.c @@ -1596,6 +1596,72 @@ static int check_inode_ref(struct extent_buffer *leaf, return 0; } +static int check_dev_extent_item(const struct extent_buffer *leaf, + const struct btrfs_key *key, + int slot, + struct btrfs_key *prev_key) +{ + struct btrfs_dev_extent *de; + const u32 sectorsize = leaf->fs_info->sectorsize; + + de = btrfs_item_ptr(leaf, slot, struct btrfs_dev_extent); + /* Basic fixed member checks. */ + if (unlikely(btrfs_dev_extent_chunk_tree(leaf, de) != + BTRFS_CHUNK_TREE_OBJECTID)) { + generic_err(leaf, slot, + "invalid dev extent chunk tree id, has %llu expect %llu", + btrfs_dev_extent_chunk_tree(leaf, de), + BTRFS_CHUNK_TREE_OBJECTID); + return -EUCLEAN; + } + if (unlikely(btrfs_dev_extent_chunk_objectid(leaf, de) != + BTRFS_FIRST_CHUNK_TREE_OBJECTID)) { + generic_err(leaf, slot, + "invalid dev extent chunk objectid, has %llu expect %llu", + btrfs_dev_extent_chunk_objectid(leaf, de), + BTRFS_FIRST_CHUNK_TREE_OBJECTID); + return -EUCLEAN; + } + /* Alignment check. */ + if (unlikely(!IS_ALIGNED(key->offset, sectorsize))) { + generic_err(leaf, slot, + "invalid dev extent key.offset, has %llu not aligned to %u", + key->offset, sectorsize); + return -EUCLEAN; + } + if (unlikely(!IS_ALIGNED(btrfs_dev_extent_chunk_offset(leaf, de), + sectorsize))) { + generic_err(leaf, slot, + "invalid dev extent chunk offset, has %llu not aligned to %u", + btrfs_dev_extent_chunk_objectid(leaf, de), + sectorsize); + return -EUCLEAN; + } + if (unlikely(!IS_ALIGNED(btrfs_dev_extent_length(leaf, de), + sectorsize))) { + generic_err(leaf, slot, + "invalid dev extent length, has %llu not aligned to %u", + btrfs_dev_extent_length(leaf, de), sectorsize); + return -EUCLEAN; + } + /* Overlap check with previous dev extent. */ + if (slot && prev_key->objectid == key->objectid && + prev_key->type == key->type) { + struct btrfs_dev_extent *prev_de; + u64 prev_len; + + prev_de = btrfs_item_ptr(leaf, slot - 1, struct btrfs_dev_extent); + prev_len = btrfs_dev_extent_length(leaf, prev_de); + if (unlikely(prev_key->offset + prev_len > key->offset)) { + generic_err(leaf, slot, + "dev extent overlap, prev offset %llu len %llu current offset %llu", + prev_key->objectid, prev_len, key->offset); + return -EUCLEAN; + } + } + return 0; +} + /* * Common point to switch the item-specific validation. */ @@ -1631,6 +1697,9 @@ static int check_leaf_item(struct extent_buffer *leaf, case BTRFS_DEV_ITEM_KEY: ret = check_dev_item(leaf, key, slot); break; + case BTRFS_DEV_EXTENT_KEY: + ret = check_dev_extent_item(leaf, key, slot, prev_key); + break; case BTRFS_INODE_ITEM_KEY: ret = check_inode_item(leaf, key, slot); break; diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index b218a26291..e1096ca1a3 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -95,7 +95,6 @@ static int ceph_set_page_dirty(struct page *page) /* dirty the head */ spin_lock(&ci->i_ceph_lock); - BUG_ON(ci->i_wr_ref == 0); // caller should hold Fw reference if (__ceph_have_pending_cap_snap(ci)) { struct ceph_cap_snap *capsnap = list_last_entry(&ci->i_cap_snaps, diff --git a/fs/ceph/super.c b/fs/ceph/super.c index 1723ec21cd..b5ed6d9a19 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -783,7 +783,8 @@ static int __init init_caches(void) if (!ceph_mds_request_cachep) goto bad_mds_req; - ceph_wb_pagevec_pool = mempool_create_kmalloc_pool(10, CEPH_MAX_WRITE_SIZE >> PAGE_SHIFT); + ceph_wb_pagevec_pool = mempool_create_kmalloc_pool(10, + (CEPH_MAX_WRITE_SIZE >> PAGE_SHIFT) * sizeof(struct page *)); if (!ceph_wb_pagevec_pool) goto bad_pagevec_pool; diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index d3adcb9e70..c254e714f7 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -99,7 +99,7 @@ module_param(enable_oplocks, bool, 0644); MODULE_PARM_DESC(enable_oplocks, "Enable or disable oplocks. Default: y/Y/1"); module_param(enable_gcm_256, bool, 0644); -MODULE_PARM_DESC(enable_gcm_256, "Enable requesting strongest (256 bit) GCM encryption. Default: n/N/0"); +MODULE_PARM_DESC(enable_gcm_256, "Enable requesting strongest (256 bit) GCM encryption. Default: y/Y/0"); module_param(require_gcm_256, bool, 0644); MODULE_PARM_DESC(require_gcm_256, "Require strongest (256 bit) GCM encryption. Default: n/N/0"); diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index b725bd3144..6c30fff8a0 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -886,8 +886,6 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon, goto oshr_exit; } - atomic_inc(&tcon->num_remote_opens); - o_rsp = (struct smb2_create_rsp *)rsp_iov[0].iov_base; oparms.fid->persistent_fid = o_rsp->PersistentFileId; oparms.fid->volatile_fid = o_rsp->VolatileFileId; @@ -897,8 +895,6 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon, tcon->crfid.tcon = tcon; tcon->crfid.is_valid = true; - tcon->crfid.dentry = dentry; - dget(dentry); kref_init(&tcon->crfid.refcount); /* BB TBD check to see if oplock level check can be removed below */ @@ -907,14 +903,16 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon, * See commit 2f94a3125b87. Increment the refcount when we * get a lease for root, release it if lease break occurs */ - kref_get(&tcon->crfid.refcount); - tcon->crfid.has_lease = true; rc = smb2_parse_contexts(server, rsp_iov, &oparms.fid->epoch, oparms.fid->lease_key, &oplock, NULL, NULL); if (rc) goto oshr_exit; + + if (!(oplock & SMB2_LEASE_READ_CACHING_HE)) + goto oshr_exit; + } else goto oshr_exit; @@ -928,7 +926,10 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon, (char *)&tcon->crfid.file_all_info)) tcon->crfid.file_all_info_is_valid = true; tcon->crfid.time = jiffies; - + tcon->crfid.dentry = dentry; + dget(dentry); + kref_get(&tcon->crfid.refcount); + tcon->crfid.has_lease = true; oshr_exit: mutex_unlock(&tcon->crfid.fid_mutex); @@ -937,8 +938,15 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon, SMB2_query_info_free(&rqst[1]); free_rsp_buf(resp_buftype[0], rsp_iov[0].iov_base); free_rsp_buf(resp_buftype[1], rsp_iov[1].iov_base); - if (rc == 0) + if (rc) { + if (tcon->crfid.is_valid) + SMB2_close(0, tcon, oparms.fid->persistent_fid, + oparms.fid->volatile_fid); + } + if (rc == 0) { *cfid = &tcon->crfid; + atomic_inc(&tcon->num_remote_opens); + } return rc; } diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 61b18f8020..bd7aeb4dca 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -3028,6 +3028,15 @@ SMB2_ioctl_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, return rc; if (indatalen) { + unsigned int len; + + if (WARN_ON_ONCE(smb3_encryption_required(tcon) && + (check_add_overflow(total_len - 1, + ALIGN(indatalen, 8), &len) || + len > MAX_CIFS_SMALL_BUFFER_SIZE))) { + cifs_small_buf_release(req); + return -EIO; + } /* * indatalen is usually small at a couple of bytes max, so * just allocate through generic pool diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c index 0f2e0ce84a..ffae3a7f46 100644 --- a/fs/cifs/smb2transport.c +++ b/fs/cifs/smb2transport.c @@ -194,8 +194,8 @@ smb2_find_smb_tcon(struct TCP_Server_Info *server, __u64 ses_id, __u32 tid) } tcon = smb2_find_smb_sess_tcon_unlocked(ses, tid); if (!tcon) { - cifs_put_smb_ses(ses); spin_unlock(&cifs_tcp_ses_lock); + cifs_put_smb_ses(ses); return NULL; } spin_unlock(&cifs_tcp_ses_lock); diff --git a/fs/dcache.c b/fs/dcache.c index 422c440b49..43d75e7ee4 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -331,7 +331,11 @@ static inline void __d_clear_type_and_inode(struct dentry *dentry) flags &= ~(DCACHE_ENTRY_TYPE | DCACHE_FALLTHRU); WRITE_ONCE(dentry->d_flags, flags); dentry->d_inode = NULL; - if (dentry->d_flags & DCACHE_LRU_LIST) + /* + * The negative counter only tracks dentries on the LRU. Don't inc if + * d_lru is on another list. + */ + if ((flags & (DCACHE_LRU_LIST|DCACHE_SHRINK_LIST)) == DCACHE_LRU_LIST) this_cpu_inc(nr_dentry_negative); } @@ -1975,9 +1979,11 @@ static void __d_instantiate(struct dentry *dentry, struct inode *inode) spin_lock(&dentry->d_lock); /* - * Decrement negative dentry count if it was in the LRU list. + * The negative counter only tracks dentries on the LRU. Don't dec if + * d_lru is on another list. */ - if (dentry->d_flags & DCACHE_LRU_LIST) + if ((dentry->d_flags & + (DCACHE_LRU_LIST|DCACHE_SHRINK_LIST)) == DCACHE_LRU_LIST) this_cpu_dec(nr_dentry_negative); hlist_add_head(&dentry->d_u.d_alias, &inode->i_dentry); raw_write_seqcount_begin(&dentry->d_seq); @@ -3121,28 +3127,25 @@ EXPORT_SYMBOL(d_splice_alias); bool is_subdir(struct dentry *new_dentry, struct dentry *old_dentry) { - bool result; + bool subdir; unsigned seq; if (new_dentry == old_dentry) return true; - do { - /* for restarting inner loop in case of seq retry */ - seq = read_seqbegin(&rename_lock); - /* - * Need rcu_readlock to protect against the d_parent trashing - * due to d_move - */ - rcu_read_lock(); - if (d_ancestor(old_dentry, new_dentry)) - result = true; - else - result = false; - rcu_read_unlock(); - } while (read_seqretry(&rename_lock, seq)); - - return result; + /* Access d_parent under rcu as d_move() may change it. */ + rcu_read_lock(); + seq = read_seqbegin(&rename_lock); + subdir = d_ancestor(old_dentry, new_dentry); + /* Try lockless once... */ + if (read_seqretry(&rename_lock, seq)) { + /* ...else acquire lock for progress even on deep chains. */ + read_seqlock_excl(&rename_lock); + subdir = d_ancestor(old_dentry, new_dentry); + read_sequnlock_excl(&rename_lock); + } + rcu_read_unlock(); + return subdir; } EXPORT_SYMBOL(is_subdir); diff --git a/fs/exec.c b/fs/exec.c index 03516b704d..8395e7ff7b 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -142,13 +142,11 @@ SYSCALL_DEFINE1(uselib, const char __user *, library) goto out; /* - * may_open() has already checked for this, so it should be - * impossible to trip now. But we need to be extra cautious - * and check again at the very end too. + * Check do_open_execat() for an explanation. */ error = -EACCES; - if (WARN_ON_ONCE(!S_ISREG(file_inode(file)->i_mode) || - path_noexec(&file->f_path))) + if (WARN_ON_ONCE(!S_ISREG(file_inode(file)->i_mode)) || + path_noexec(&file->f_path)) goto exit; fsnotify_open(file); @@ -766,7 +764,8 @@ int setup_arg_pages(struct linux_binprm *bprm, stack_base = calc_max_stack_size(stack_base); /* Add space for stack randomization. */ - stack_base += (STACK_RND_MASK << PAGE_SHIFT); + if (current->flags & PF_RANDOMIZE) + stack_base += (STACK_RND_MASK << PAGE_SHIFT); /* Make sure we didn't let the argument array grow too large. */ if (vma->vm_end - vma->vm_start > stack_base) @@ -918,16 +917,16 @@ static struct file *do_open_execat(int fd, struct filename *name, int flags) file = do_filp_open(fd, name, &open_exec_flags); if (IS_ERR(file)) - goto out; + return file; /* - * may_open() has already checked for this, so it should be - * impossible to trip now. But we need to be extra cautious - * and check again at the very end too. + * In the past the regular type check was here. It moved to may_open() in + * 633fb6ac3980 ("exec: move S_ISREG() check earlier"). Since then it is + * an invariant that all non-regular files error out before we get here. */ err = -EACCES; - if (WARN_ON_ONCE(!S_ISREG(file_inode(file)->i_mode) || - path_noexec(&file->f_path))) + if (WARN_ON_ONCE(!S_ISREG(file_inode(file)->i_mode)) || + path_noexec(&file->f_path)) goto exit; err = deny_write_access(file); @@ -937,7 +936,6 @@ static struct file *do_open_execat(int fd, struct filename *name, int flags) if (name->name[0] != '\0') fsnotify_open(file); -out: return file; exit: @@ -1603,6 +1601,7 @@ static void bprm_fill_uid(struct linux_binprm *bprm, struct file *file) unsigned int mode; kuid_t uid; kgid_t gid; + int err; if (!mnt_may_suid(file->f_path.mnt)) return; @@ -1620,12 +1619,17 @@ static void bprm_fill_uid(struct linux_binprm *bprm, struct file *file) /* Be careful if suid/sgid is set */ inode_lock(inode); - /* reload atomically mode/uid/gid now that lock held */ + /* Atomically reload and check mode/uid/gid now that lock held. */ mode = inode->i_mode; uid = i_uid_into_mnt(mnt_userns, inode); gid = i_gid_into_mnt(mnt_userns, inode); + err = inode_permission(mnt_userns, inode, MAY_EXEC); inode_unlock(inode); + /* Did the exec bit vanish out from under us? Give up. */ + if (err) + return; + /* We ignore suid/sgid if there are no mappings for them in the ns */ if (!kuid_has_mapping(bprm->cred->user_ns, uid) || !kgid_has_mapping(bprm->cred->user_ns, gid)) diff --git a/fs/exfat/balloc.c b/fs/exfat/balloc.c index 1dce6b4e90..144617066a 100644 --- a/fs/exfat/balloc.c +++ b/fs/exfat/balloc.c @@ -110,11 +110,8 @@ int exfat_load_bitmap(struct super_block *sb) return -EIO; type = exfat_get_entry_type(ep); - if (type == TYPE_UNUSED) - break; - if (type != TYPE_BITMAP) - continue; - if (ep->dentry.bitmap.flags == 0x0) { + if (type == TYPE_BITMAP && + ep->dentry.bitmap.flags == 0x0) { int err; err = exfat_allocate_bitmap(sb, ep); @@ -122,6 +119,9 @@ int exfat_load_bitmap(struct super_block *sb) return err; } brelse(bh); + + if (type == TYPE_UNUSED) + return -EINVAL; } if (exfat_get_next_cluster(sb, &clu.dir)) diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c index c17ccc19b9..9bf086821e 100644 --- a/fs/ext2/balloc.c +++ b/fs/ext2/balloc.c @@ -79,26 +79,33 @@ static int ext2_valid_block_bitmap(struct super_block *sb, ext2_grpblk_t next_zero_bit; ext2_fsblk_t bitmap_blk; ext2_fsblk_t group_first_block; + ext2_grpblk_t max_bit; group_first_block = ext2_group_first_block_no(sb, block_group); + max_bit = ext2_group_last_block_no(sb, block_group) - group_first_block; /* check whether block bitmap block number is set */ bitmap_blk = le32_to_cpu(desc->bg_block_bitmap); offset = bitmap_blk - group_first_block; - if (!ext2_test_bit(offset, bh->b_data)) + if (offset < 0 || offset > max_bit || + !ext2_test_bit(offset, bh->b_data)) /* bad block bitmap */ goto err_out; /* check whether the inode bitmap block number is set */ bitmap_blk = le32_to_cpu(desc->bg_inode_bitmap); offset = bitmap_blk - group_first_block; - if (!ext2_test_bit(offset, bh->b_data)) + if (offset < 0 || offset > max_bit || + !ext2_test_bit(offset, bh->b_data)) /* bad block bitmap */ goto err_out; /* check whether the inode table block number is set */ bitmap_blk = le32_to_cpu(desc->bg_inode_table); offset = bitmap_blk - group_first_block; + if (offset < 0 || offset > max_bit || + offset + EXT2_SB(sb)->s_itb_per_group - 1 > max_bit) + goto err_out; next_zero_bit = ext2_find_next_zero_bit(bh->b_data, offset + EXT2_SB(sb)->s_itb_per_group, offset); diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index 74b172a4ad..4720c30312 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -279,12 +279,20 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx) struct fscrypt_str de_name = FSTR_INIT(de->name, de->name_len); + u32 hash; + u32 minor_hash; + + if (IS_CASEFOLDED(inode)) { + hash = EXT4_DIRENT_HASH(de); + minor_hash = EXT4_DIRENT_MINOR_HASH(de); + } else { + hash = 0; + minor_hash = 0; + } /* Directory is encrypted */ err = fscrypt_fname_disk_to_usr(inode, - EXT4_DIRENT_HASH(de), - EXT4_DIRENT_MINOR_HASH(de), - &de_name, &fstr); + hash, minor_hash, &de_name, &fstr); de_name = fstr; fstr.len = save_len; if (err) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index cece004b32..a37aa2373b 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -950,6 +950,8 @@ ext4_find_extent(struct inode *inode, ext4_lblk_t block, ext4_ext_show_path(inode, path); + if (orig_path) + *orig_path = path; return path; err: @@ -1872,6 +1874,7 @@ static void ext4_ext_try_to_merge_up(handle_t *handle, path[0].p_hdr->eh_max = cpu_to_le16(max_root); brelse(path[1].p_bh); + path[1].p_bh = NULL; ext4_free_blocks(handle, inode, NULL, blk, 1, EXT4_FREE_BLOCKS_METADATA | EXT4_FREE_BLOCKS_FORGET); } @@ -2100,6 +2103,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode, ppath, newext); if (err) goto cleanup; + path = *ppath; depth = ext_depth(inode); eh = path[depth].p_hdr; @@ -3112,8 +3116,9 @@ static int ext4_zeroout_es(struct inode *inode, struct ext4_extent *ex) if (ee_len == 0) return 0; - return ext4_es_insert_extent(inode, ee_block, ee_len, ee_pblock, - EXTENT_STATUS_WRITTEN); + ext4_es_insert_extent(inode, ee_block, ee_len, ee_pblock, + EXTENT_STATUS_WRITTEN); + return 0; } /* FIXME!! we need to try to merge to left or right after zero-out */ @@ -3227,9 +3232,27 @@ static int ext4_split_extent_at(handle_t *handle, ext4_ext_mark_unwritten(ex2); err = ext4_ext_insert_extent(handle, inode, ppath, &newex, flags); - if (err != -ENOSPC && err != -EDQUOT) + if (err != -ENOSPC && err != -EDQUOT && err != -ENOMEM) goto out; + /* + * Update path is required because previous ext4_ext_insert_extent() + * may have freed or reallocated the path. Using EXT4_EX_NOFAIL + * guarantees that ext4_find_extent() will not return -ENOMEM, + * otherwise -ENOMEM will cause a retry in do_writepages(), and a + * WARN_ON may be triggered in ext4_da_update_reserve_space() due to + * an incorrect ee_len causing the i_reserved_data_blocks exception. + */ + path = ext4_find_extent(inode, ee_block, ppath, + flags | EXT4_EX_NOFAIL); + if (IS_ERR(path)) { + EXT4_ERROR_INODE(inode, "Failed split extent on %u, err %ld", + split, PTR_ERR(path)); + return PTR_ERR(path); + } + depth = ext_depth(inode); + ex = path[depth].p_ext; + if (EXT4_EXT_MAY_ZEROOUT & split_flag) { if (split_flag & (EXT4_EXT_DATA_VALID1|EXT4_EXT_DATA_VALID2)) { if (split_flag & EXT4_EXT_DATA_VALID1) { @@ -3282,12 +3305,12 @@ static int ext4_split_extent_at(handle_t *handle, ext4_ext_dirty(handle, inode, path + path->p_depth); return err; out: - ext4_ext_show_leaf(inode, path); + ext4_ext_show_leaf(inode, *ppath); return err; } /* - * ext4_split_extents() splits an extent and mark extent which is covered + * ext4_split_extent() splits an extent and mark extent which is covered * by @map as split_flags indicates * * It may result in splitting the extent into multiple extents (up to three) @@ -3364,7 +3387,7 @@ static int ext4_split_extent(handle_t *handle, goto out; } - ext4_ext_show_leaf(inode, path); + ext4_ext_show_leaf(inode, *ppath); out: return err ? err : allocated; } @@ -3403,9 +3426,10 @@ static int ext4_ext_convert_to_initialized(handle_t *handle, struct ext4_extent *ex, *abut_ex; ext4_lblk_t ee_block, eof_block; unsigned int ee_len, depth, map_len = map->m_len; - int allocated = 0, max_zeroout = 0; int err = 0; int split_flag = EXT4_EXT_DATA_VALID2; + int allocated = 0; + unsigned int max_zeroout = 0; ext_debug(inode, "logical block %llu, max_blocks %u\n", (unsigned long long)map->m_lblk, map_len); @@ -3829,14 +3853,13 @@ ext4_ext_handle_unwritten_extents(handle_t *handle, struct inode *inode, struct ext4_ext_path **ppath, int flags, unsigned int allocated, ext4_fsblk_t newblock) { - struct ext4_ext_path __maybe_unused *path = *ppath; int ret = 0; int err = 0; ext_debug(inode, "logical block %llu, max_blocks %u, flags 0x%x, allocated %u\n", (unsigned long long)map->m_lblk, map->m_len, flags, allocated); - ext4_ext_show_leaf(inode, path); + ext4_ext_show_leaf(inode, *ppath); /* * When writing into unwritten space, we should not fail to @@ -3933,7 +3956,7 @@ ext4_ext_handle_unwritten_extents(handle_t *handle, struct inode *inode, if (allocated > map->m_len) allocated = map->m_len; map->m_len = allocated; - ext4_ext_show_leaf(inode, path); + ext4_ext_show_leaf(inode, *ppath); out2: return err ? err : allocated; } @@ -5554,6 +5577,7 @@ static int ext4_insert_range(struct file *file, loff_t offset, loff_t len) path = ext4_find_extent(inode, offset_lblk, NULL, 0); if (IS_ERR(path)) { up_write(&EXT4_I(inode)->i_data_sem); + ret = PTR_ERR(path); goto out_stop; } @@ -5914,7 +5938,7 @@ int ext4_clu_mapped(struct inode *inode, ext4_lblk_t lclu) int ext4_ext_replay_update_ex(struct inode *inode, ext4_lblk_t start, int len, int unwritten, ext4_fsblk_t pblk) { - struct ext4_ext_path *path = NULL, *ppath; + struct ext4_ext_path *path; struct ext4_extent *ex; int ret; @@ -5930,30 +5954,29 @@ int ext4_ext_replay_update_ex(struct inode *inode, ext4_lblk_t start, if (le32_to_cpu(ex->ee_block) != start || ext4_ext_get_actual_len(ex) != len) { /* We need to split this extent to match our extent first */ - ppath = path; down_write(&EXT4_I(inode)->i_data_sem); - ret = ext4_force_split_extent_at(NULL, inode, &ppath, start, 1); + ret = ext4_force_split_extent_at(NULL, inode, &path, start, 1); up_write(&EXT4_I(inode)->i_data_sem); if (ret) goto out; - kfree(path); - path = ext4_find_extent(inode, start, NULL, 0); + + path = ext4_find_extent(inode, start, &path, 0); if (IS_ERR(path)) - return -1; - ppath = path; + return PTR_ERR(path); ex = path[path->p_depth].p_ext; WARN_ON(le32_to_cpu(ex->ee_block) != start); + if (ext4_ext_get_actual_len(ex) != len) { down_write(&EXT4_I(inode)->i_data_sem); - ret = ext4_force_split_extent_at(NULL, inode, &ppath, + ret = ext4_force_split_extent_at(NULL, inode, &path, start + len, 1); up_write(&EXT4_I(inode)->i_data_sem); if (ret) goto out; - kfree(path); - path = ext4_find_extent(inode, start, NULL, 0); + + path = ext4_find_extent(inode, start, &path, 0); if (IS_ERR(path)) - return -EINVAL; + return PTR_ERR(path); ex = path[path->p_depth].p_ext; } } diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c index cccbdfd49a..be3b3ccbf7 100644 --- a/fs/ext4/extents_status.c +++ b/fs/ext4/extents_status.c @@ -312,6 +312,8 @@ void ext4_es_find_extent_range(struct inode *inode, ext4_lblk_t lblk, ext4_lblk_t end, struct extent_status *es) { + es->es_lblk = es->es_len = es->es_pblk = 0; + if (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY) return; @@ -846,12 +848,10 @@ static int __es_insert_extent(struct inode *inode, struct extent_status *newes, /* * ext4_es_insert_extent() adds information to an inode's extent * status tree. - * - * Return 0 on success, error code on failure. */ -int ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk, - ext4_lblk_t len, ext4_fsblk_t pblk, - unsigned int status) +void ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk, + ext4_lblk_t len, ext4_fsblk_t pblk, + unsigned int status) { struct extent_status newes; ext4_lblk_t end = lblk + len - 1; @@ -863,13 +863,13 @@ int ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk, bool revise_pending = false; if (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY) - return 0; + return; es_debug("add [%u/%u) %llu %x to extent status tree of inode %lu\n", lblk, len, pblk, status, inode->i_ino); if (!len) - return 0; + return; BUG_ON(end < lblk); @@ -938,7 +938,7 @@ int ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk, goto retry; ext4_es_print_tree(inode); - return 0; + return; } /* diff --git a/fs/ext4/extents_status.h b/fs/ext4/extents_status.h index 4ec30a7982..481ec4381b 100644 --- a/fs/ext4/extents_status.h +++ b/fs/ext4/extents_status.h @@ -127,9 +127,9 @@ extern int __init ext4_init_es(void); extern void ext4_exit_es(void); extern void ext4_es_init_tree(struct ext4_es_tree *tree); -extern int ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk, - ext4_lblk_t len, ext4_fsblk_t pblk, - unsigned int status); +extern void ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk, + ext4_lblk_t len, ext4_fsblk_t pblk, + unsigned int status); extern void ext4_es_cache_extent(struct inode *inode, ext4_lblk_t lblk, ext4_lblk_t len, ext4_fsblk_t pblk, unsigned int status); diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c index 2660c34c77..b31efca988 100644 --- a/fs/ext4/fast_commit.c +++ b/fs/ext4/fast_commit.c @@ -325,7 +325,7 @@ void ext4_fc_mark_ineligible(struct super_block *sb, int reason, handle_t *handl read_unlock(&sbi->s_journal->j_state_lock); } spin_lock(&sbi->s_fc_lock); - if (sbi->s_fc_ineligible_tid < tid) + if (tid_gt(tid, sbi->s_fc_ineligible_tid)) sbi->s_fc_ineligible_tid = tid; spin_unlock(&sbi->s_fc_lock); WARN_ON(reason >= EXT4_FC_REASON_MAX); @@ -344,7 +344,7 @@ void ext4_fc_mark_ineligible(struct super_block *sb, int reason, handle_t *handl */ static int ext4_fc_track_template( handle_t *handle, struct inode *inode, - int (*__fc_track_fn)(struct inode *, void *, bool), + int (*__fc_track_fn)(handle_t *handle, struct inode *, void *, bool), void *args, int enqueue) { bool update = false; @@ -353,13 +353,6 @@ static int ext4_fc_track_template( tid_t tid = 0; int ret; - if (!test_opt2(inode->i_sb, JOURNAL_FAST_COMMIT) || - (sbi->s_mount_state & EXT4_FC_REPLAY)) - return -EOPNOTSUPP; - - if (ext4_test_mount_flag(inode->i_sb, EXT4_MF_FC_INELIGIBLE)) - return -EINVAL; - tid = handle->h_transaction->t_tid; mutex_lock(&ei->i_fc_lock); if (tid == ei->i_sync_tid) { @@ -368,7 +361,7 @@ static int ext4_fc_track_template( ext4_fc_reset_inode(inode); ei->i_sync_tid = tid; } - ret = __fc_track_fn(inode, args, update); + ret = __fc_track_fn(handle, inode, args, update); mutex_unlock(&ei->i_fc_lock); if (!enqueue) @@ -392,7 +385,8 @@ struct __track_dentry_update_args { }; /* __track_fn for directory entry updates. Called with ei->i_fc_lock. */ -static int __track_dentry_update(struct inode *inode, void *arg, bool update) +static int __track_dentry_update(handle_t *handle, struct inode *inode, + void *arg, bool update) { struct ext4_fc_dentry_update *node; struct ext4_inode_info *ei = EXT4_I(inode); @@ -407,14 +401,14 @@ static int __track_dentry_update(struct inode *inode, void *arg, bool update) if (IS_ENCRYPTED(dir)) { ext4_fc_mark_ineligible(sb, EXT4_FC_REASON_ENCRYPTED_FILENAME, - NULL); + handle); mutex_lock(&ei->i_fc_lock); return -EOPNOTSUPP; } node = kmem_cache_alloc(ext4_fc_dentry_cachep, GFP_NOFS); if (!node) { - ext4_fc_mark_ineligible(sb, EXT4_FC_REASON_NOMEM, NULL); + ext4_fc_mark_ineligible(sb, EXT4_FC_REASON_NOMEM, handle); mutex_lock(&ei->i_fc_lock); return -ENOMEM; } @@ -426,7 +420,7 @@ static int __track_dentry_update(struct inode *inode, void *arg, bool update) node->fcd_name.name = kmalloc(dentry->d_name.len, GFP_NOFS); if (!node->fcd_name.name) { kmem_cache_free(ext4_fc_dentry_cachep, node); - ext4_fc_mark_ineligible(sb, EXT4_FC_REASON_NOMEM, NULL); + ext4_fc_mark_ineligible(sb, EXT4_FC_REASON_NOMEM, handle); mutex_lock(&ei->i_fc_lock); return -ENOMEM; } @@ -468,7 +462,17 @@ void __ext4_fc_track_unlink(handle_t *handle, void ext4_fc_track_unlink(handle_t *handle, struct dentry *dentry) { - __ext4_fc_track_unlink(handle, d_inode(dentry), dentry); + struct inode *inode = d_inode(dentry); + struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); + + if (!test_opt2(inode->i_sb, JOURNAL_FAST_COMMIT) || + (sbi->s_mount_state & EXT4_FC_REPLAY)) + return; + + if (ext4_test_mount_flag(inode->i_sb, EXT4_MF_FC_INELIGIBLE)) + return; + + __ext4_fc_track_unlink(handle, inode, dentry); } void __ext4_fc_track_link(handle_t *handle, @@ -487,7 +491,17 @@ void __ext4_fc_track_link(handle_t *handle, void ext4_fc_track_link(handle_t *handle, struct dentry *dentry) { - __ext4_fc_track_link(handle, d_inode(dentry), dentry); + struct inode *inode = d_inode(dentry); + struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); + + if (!test_opt2(inode->i_sb, JOURNAL_FAST_COMMIT) || + (sbi->s_mount_state & EXT4_FC_REPLAY)) + return; + + if (ext4_test_mount_flag(inode->i_sb, EXT4_MF_FC_INELIGIBLE)) + return; + + __ext4_fc_track_link(handle, inode, dentry); } void __ext4_fc_track_create(handle_t *handle, struct inode *inode, @@ -506,11 +520,22 @@ void __ext4_fc_track_create(handle_t *handle, struct inode *inode, void ext4_fc_track_create(handle_t *handle, struct dentry *dentry) { - __ext4_fc_track_create(handle, d_inode(dentry), dentry); + struct inode *inode = d_inode(dentry); + struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); + + if (!test_opt2(inode->i_sb, JOURNAL_FAST_COMMIT) || + (sbi->s_mount_state & EXT4_FC_REPLAY)) + return; + + if (ext4_test_mount_flag(inode->i_sb, EXT4_MF_FC_INELIGIBLE)) + return; + + __ext4_fc_track_create(handle, inode, dentry); } /* __track_fn for inode tracking */ -static int __track_inode(struct inode *inode, void *arg, bool update) +static int __track_inode(handle_t *handle, struct inode *inode, void *arg, + bool update) { if (update) return -EEXIST; @@ -522,6 +547,7 @@ static int __track_inode(struct inode *inode, void *arg, bool update) void ext4_fc_track_inode(handle_t *handle, struct inode *inode) { + struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); int ret; if (S_ISDIR(inode->i_mode)) @@ -533,6 +559,13 @@ void ext4_fc_track_inode(handle_t *handle, struct inode *inode) return; } + if (!test_opt2(inode->i_sb, JOURNAL_FAST_COMMIT) || + (sbi->s_mount_state & EXT4_FC_REPLAY)) + return; + + if (ext4_test_mount_flag(inode->i_sb, EXT4_MF_FC_INELIGIBLE)) + return; + ret = ext4_fc_track_template(handle, inode, __track_inode, NULL, 1); trace_ext4_fc_track_inode(inode, ret); } @@ -542,7 +575,8 @@ struct __track_range_args { }; /* __track_fn for tracking data updates */ -static int __track_range(struct inode *inode, void *arg, bool update) +static int __track_range(handle_t *handle, struct inode *inode, void *arg, + bool update) { struct ext4_inode_info *ei = EXT4_I(inode); ext4_lblk_t oldstart; @@ -572,12 +606,26 @@ static int __track_range(struct inode *inode, void *arg, bool update) void ext4_fc_track_range(handle_t *handle, struct inode *inode, ext4_lblk_t start, ext4_lblk_t end) { + struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); struct __track_range_args args; int ret; if (S_ISDIR(inode->i_mode)) return; + if (!test_opt2(inode->i_sb, JOURNAL_FAST_COMMIT) || + (sbi->s_mount_state & EXT4_FC_REPLAY)) + return; + + if (ext4_test_mount_flag(inode->i_sb, EXT4_MF_FC_INELIGIBLE)) + return; + + if (ext4_has_inline_data(inode)) { + ext4_fc_mark_ineligible(inode->i_sb, EXT4_FC_REASON_XATTR, + handle); + return; + } + args.start = start; args.end = end; @@ -1161,7 +1209,7 @@ int ext4_fc_commit(journal_t *journal, tid_t commit_tid) if (ret == -EALREADY) { /* There was an ongoing commit, check if we need to restart */ if (atomic_read(&sbi->s_fc_subtid) <= subtid && - commit_tid > journal->j_commit_sequence) + tid_gt(commit_tid, journal->j_commit_sequence)) goto restart_fc; ext4_fc_update_stats(sb, EXT4_FC_STATUS_SKIPPED, 0, 0); return 0; @@ -1233,8 +1281,21 @@ static void ext4_fc_cleanup(journal_t *journal, int full, tid_t tid) list_del_init(&iter->i_fc_list); ext4_clear_inode_state(&iter->vfs_inode, EXT4_STATE_FC_COMMITTING); - if (iter->i_sync_tid <= tid) + if (tid_geq(tid, iter->i_sync_tid)) { ext4_fc_reset_inode(&iter->vfs_inode); + } else if (full) { + /* + * We are called after a full commit, inode has been + * modified while the commit was running. Re-enqueue + * the inode into STAGING, which will then be splice + * back into MAIN. This cannot happen during + * fastcommit because the journal is locked all the + * time in that case (and tid doesn't increase so + * tid check above isn't reliable). + */ + list_add_tail(&EXT4_I(&iter->vfs_inode)->i_fc_list, + &sbi->s_fc_q[FC_Q_STAGING]); + } /* Make sure EXT4_STATE_FC_COMMITTING bit is clear */ smp_mb(); #if (BITS_PER_LONG < 64) @@ -1263,7 +1324,7 @@ static void ext4_fc_cleanup(journal_t *journal, int full, tid_t tid) list_splice_init(&sbi->s_fc_q[FC_Q_STAGING], &sbi->s_fc_q[FC_Q_MAIN]); - if (tid >= sbi->s_fc_ineligible_tid) { + if (tid_geq(tid, sbi->s_fc_ineligible_tid)) { sbi->s_fc_ineligible_tid = 0; ext4_clear_mount_flag(sb, EXT4_MF_FC_INELIGIBLE); } diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 4704fe627c..818f8d3e37 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -279,80 +279,38 @@ static ssize_t ext4_buffered_write_iter(struct kiocb *iocb, } static ssize_t ext4_handle_inode_extension(struct inode *inode, loff_t offset, - ssize_t written, size_t count) + ssize_t count) { handle_t *handle; - bool truncate = false; - u8 blkbits = inode->i_blkbits; - ext4_lblk_t written_blk, end_blk; - int ret; - - /* - * Note that EXT4_I(inode)->i_disksize can get extended up to - * inode->i_size while the I/O was running due to writeback of delalloc - * blocks. But, the code in ext4_iomap_alloc() is careful to use - * zeroed/unwritten extents if this is possible; thus we won't leave - * uninitialized blocks in a file even if we didn't succeed in writing - * as much as we intended. - */ - WARN_ON_ONCE(i_size_read(inode) < EXT4_I(inode)->i_disksize); - if (offset + count <= EXT4_I(inode)->i_disksize) { - /* - * We need to ensure that the inode is removed from the orphan - * list if it has been added prematurely, due to writeback of - * delalloc blocks. - */ - if (!list_empty(&EXT4_I(inode)->i_orphan) && inode->i_nlink) { - handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); - - if (IS_ERR(handle)) { - ext4_orphan_del(NULL, inode); - return PTR_ERR(handle); - } - - ext4_orphan_del(handle, inode); - ext4_journal_stop(handle); - } - - return written; - } - - if (written < 0) - goto truncate; + lockdep_assert_held_write(&inode->i_rwsem); handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); - if (IS_ERR(handle)) { - written = PTR_ERR(handle); - goto truncate; - } + if (IS_ERR(handle)) + return PTR_ERR(handle); - if (ext4_update_inode_size(inode, offset + written)) { - ret = ext4_mark_inode_dirty(handle, inode); + if (ext4_update_inode_size(inode, offset + count)) { + int ret = ext4_mark_inode_dirty(handle, inode); if (unlikely(ret)) { - written = ret; ext4_journal_stop(handle); - goto truncate; + return ret; } } - /* - * We may need to truncate allocated but not written blocks beyond EOF. - */ - written_blk = ALIGN(offset + written, 1 << blkbits); - end_blk = ALIGN(offset + count, 1 << blkbits); - if (written_blk < end_blk && ext4_can_truncate(inode)) - truncate = true; - - /* - * Remove the inode from the orphan list if it has been extended and - * everything went OK. - */ - if (!truncate && inode->i_nlink) + if (inode->i_nlink) ext4_orphan_del(handle, inode); ext4_journal_stop(handle); - if (truncate) { -truncate: + return count; +} + +/* + * Clean up the inode after DIO or DAX extending write has completed and the + * inode size has been updated using ext4_handle_inode_extension(). + */ +static void ext4_inode_extension_cleanup(struct inode *inode, bool need_trunc) +{ + lockdep_assert_held_write(&inode->i_rwsem); + if (need_trunc) { ext4_truncate_failed_write(inode); /* * If the truncate operation failed early, then the inode may @@ -361,9 +319,29 @@ static ssize_t ext4_handle_inode_extension(struct inode *inode, loff_t offset, */ if (inode->i_nlink) ext4_orphan_del(NULL, inode); + return; } + /* + * If i_disksize got extended either due to writeback of delalloc + * blocks or extending truncate while the DIO was running we could fail + * to cleanup the orphan list in ext4_handle_inode_extension(). Do it + * now. + */ + if (!list_empty(&EXT4_I(inode)->i_orphan) && inode->i_nlink) { + handle_t *handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); - return written; + if (IS_ERR(handle)) { + /* + * The write has successfully completed. Not much to + * do with the error here so just cleanup the orphan + * list and hope for the best. + */ + ext4_orphan_del(NULL, inode); + return; + } + ext4_orphan_del(handle, inode); + ext4_journal_stop(handle); + } } static int ext4_dio_write_end_io(struct kiocb *iocb, ssize_t size, @@ -372,31 +350,23 @@ static int ext4_dio_write_end_io(struct kiocb *iocb, ssize_t size, loff_t pos = iocb->ki_pos; struct inode *inode = file_inode(iocb->ki_filp); + if (!error && size && flags & IOMAP_DIO_UNWRITTEN) + error = ext4_convert_unwritten_extents(NULL, inode, pos, size); if (error) return error; - - if (size && flags & IOMAP_DIO_UNWRITTEN) { - error = ext4_convert_unwritten_extents(NULL, inode, pos, size); - if (error < 0) - return error; - } /* - * If we are extending the file, we have to update i_size here before - * page cache gets invalidated in iomap_dio_rw(). Otherwise racing - * buffered reads could zero out too much from page cache pages. Update - * of on-disk size will happen later in ext4_dio_write_iter() where - * we have enough information to also perform orphan list handling etc. - * Note that we perform all extending writes synchronously under - * i_rwsem held exclusively so i_size update is safe here in that case. - * If the write was not extending, we cannot see pos > i_size here - * because operations reducing i_size like truncate wait for all - * outstanding DIO before updating i_size. + * Note that EXT4_I(inode)->i_disksize can get extended up to + * inode->i_size while the I/O was running due to writeback of delalloc + * blocks. But the code in ext4_iomap_alloc() is careful to use + * zeroed/unwritten extents if this is possible; thus we won't leave + * uninitialized blocks in a file even if we didn't succeed in writing + * as much as we intended. Also we can race with truncate or write + * expanding the file so we have to be a bit careful here. */ - pos += size; - if (pos > i_size_read(inode)) - i_size_write(inode, pos); - - return 0; + if (pos + size <= READ_ONCE(EXT4_I(inode)->i_disksize) && + pos + size <= i_size_read(inode)) + return size; + return ext4_handle_inode_extension(inode, pos, size); } static const struct iomap_dio_ops ext4_dio_write_ops = { @@ -572,9 +542,16 @@ static ssize_t ext4_dio_write_iter(struct kiocb *iocb, struct iov_iter *from) 0); if (ret == -ENOTBLK) ret = 0; - - if (extend) - ret = ext4_handle_inode_extension(inode, offset, ret, count); + if (extend) { + /* + * We always perform extending DIO write synchronously so by + * now the IO is completed and ext4_handle_inode_extension() + * was called. Cleanup the inode in case of error or race with + * writeback of delalloc blocks. + */ + WARN_ON_ONCE(ret == -EIOCBQUEUED); + ext4_inode_extension_cleanup(inode, ret < 0); + } out: if (ilock_shared) @@ -655,8 +632,10 @@ ext4_dax_write_iter(struct kiocb *iocb, struct iov_iter *from) ret = dax_iomap_rw(iocb, from, &ext4_iomap_ops); - if (extend) - ret = ext4_handle_inode_extension(inode, offset, ret, count); + if (extend) { + ret = ext4_handle_inode_extension(inode, offset, ret); + ext4_inode_extension_cleanup(inode, ret < (ssize_t)count); + } out: inode_unlock(inode); if (ret > 0) diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 745d781da8..5841686e80 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -515,6 +515,8 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent, if (min_inodes < 1) min_inodes = 1; min_clusters = avefreec - EXT4_CLUSTERS_PER_GROUP(sb)*flex_size / 4; + if (min_clusters < 0) + min_clusters = 0; /* * Start looking in the flex group where we last allocated an @@ -756,10 +758,10 @@ int ext4_mark_inode_used(struct super_block *sb, int ino) struct ext4_group_desc *gdp; ext4_group_t group; int bit; - int err = -EFSCORRUPTED; + int err; if (ino < EXT4_FIRST_INO(sb) || ino > max_ino) - goto out; + return -EFSCORRUPTED; group = (ino - 1) / EXT4_INODES_PER_GROUP(sb); bit = (ino - 1) % EXT4_INODES_PER_GROUP(sb); @@ -862,6 +864,7 @@ int ext4_mark_inode_used(struct super_block *sb, int ino) err = ext4_handle_dirty_metadata(NULL, NULL, group_desc_bh); sync_dirty_buffer(group_desc_bh); out: + brelse(inode_bitmap_bh); return err; } @@ -1055,12 +1058,13 @@ struct inode *__ext4_new_inode(struct user_namespace *mnt_userns, brelse(inode_bitmap_bh); inode_bitmap_bh = ext4_read_inode_bitmap(sb, group); /* Skip groups with suspicious inode tables */ - if (((!(sbi->s_mount_state & EXT4_FC_REPLAY)) - && EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) || - IS_ERR(inode_bitmap_bh)) { + if (IS_ERR(inode_bitmap_bh)) { inode_bitmap_bh = NULL; goto next_group; } + if (!(sbi->s_mount_state & EXT4_FC_REPLAY) && + EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) + goto next_group; repeat_in_this_group: ret2 = find_inode_bit(sb, group, inode_bitmap_bh, &ino); diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 6fe665de1b..df74916db9 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -1446,7 +1446,11 @@ int ext4_inlinedir_to_tree(struct file *dir_file, hinfo->hash = EXT4_DIRENT_HASH(de); hinfo->minor_hash = EXT4_DIRENT_MINOR_HASH(de); } else { - ext4fs_dirhash(dir, de->name, de->name_len, hinfo); + err = ext4fs_dirhash(dir, de->name, de->name_len, hinfo); + if (err) { + ret = err; + goto out; + } } if ((hinfo->hash < start_hash) || ((hinfo->hash == start_hash) && @@ -1667,24 +1671,36 @@ struct buffer_head *ext4_find_inline_entry(struct inode *dir, struct ext4_dir_entry_2 **res_dir, int *has_inline_data) { + struct ext4_xattr_ibody_find is = { + .s = { .not_found = -ENODATA, }, + }; + struct ext4_xattr_info i = { + .name_index = EXT4_XATTR_INDEX_SYSTEM, + .name = EXT4_XATTR_SYSTEM_DATA, + }; int ret; - struct ext4_iloc iloc; void *inline_start; int inline_size; - if (ext4_get_inode_loc(dir, &iloc)) - return NULL; + ret = ext4_get_inode_loc(dir, &is.iloc); + if (ret) + return ERR_PTR(ret); down_read(&EXT4_I(dir)->xattr_sem); + + ret = ext4_xattr_ibody_find(dir, &i, &is); + if (ret) + goto out; + if (!ext4_has_inline_data(dir)) { *has_inline_data = 0; goto out; } - inline_start = (void *)ext4_raw_inode(&iloc)->i_block + + inline_start = (void *)ext4_raw_inode(&is.iloc)->i_block + EXT4_INLINE_DOTDOT_SIZE; inline_size = EXT4_MIN_INLINE_DATA_SIZE - EXT4_INLINE_DOTDOT_SIZE; - ret = ext4_search_dir(iloc.bh, inline_start, inline_size, + ret = ext4_search_dir(is.iloc.bh, inline_start, inline_size, dir, fname, 0, res_dir); if (ret == 1) goto out_find; @@ -1694,20 +1710,23 @@ struct buffer_head *ext4_find_inline_entry(struct inode *dir, if (ext4_get_inline_size(dir) == EXT4_MIN_INLINE_DATA_SIZE) goto out; - inline_start = ext4_get_inline_xattr_pos(dir, &iloc); + inline_start = ext4_get_inline_xattr_pos(dir, &is.iloc); inline_size = ext4_get_inline_size(dir) - EXT4_MIN_INLINE_DATA_SIZE; - ret = ext4_search_dir(iloc.bh, inline_start, inline_size, + ret = ext4_search_dir(is.iloc.bh, inline_start, inline_size, dir, fname, 0, res_dir); if (ret == 1) goto out_find; out: - brelse(iloc.bh); - iloc.bh = NULL; + brelse(is.iloc.bh); + if (ret < 0) + is.iloc.bh = ERR_PTR(ret); + else + is.iloc.bh = NULL; out_find: up_read(&EXT4_I(dir)->xattr_sem); - return iloc.bh; + return is.iloc.bh; } int ext4_delete_inline_entry(handle_t *handle, diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 64a783f221..87e6187e65 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -484,6 +484,35 @@ static void ext4_map_blocks_es_recheck(handle_t *handle, } #endif /* ES_AGGRESSIVE_TEST */ +static int ext4_map_query_blocks(handle_t *handle, struct inode *inode, + struct ext4_map_blocks *map) +{ + unsigned int status; + int retval; + + if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) + retval = ext4_ext_map_blocks(handle, inode, map, 0); + else + retval = ext4_ind_map_blocks(handle, inode, map, 0); + + if (retval <= 0) + return retval; + + if (unlikely(retval != map->m_len)) { + ext4_warning(inode->i_sb, + "ES len assertion failed for inode " + "%lu: retval %d != map->m_len %d", + inode->i_ino, retval, map->m_len); + WARN_ON(1); + } + + status = map->m_flags & EXT4_MAP_UNWRITTEN ? + EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN; + ext4_es_insert_extent(inode, map->m_lblk, map->m_len, + map->m_pblk, status); + return retval; +} + /* * The ext4_map_blocks() function tries to look up the requested blocks, * and returns if the blocks are already mapped. @@ -589,10 +618,8 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode, ext4_es_scan_range(inode, &ext4_es_is_delayed, map->m_lblk, map->m_lblk + map->m_len - 1)) status |= EXTENT_STATUS_DELAYED; - ret = ext4_es_insert_extent(inode, map->m_lblk, - map->m_len, map->m_pblk, status); - if (ret < 0) - retval = ret; + ext4_es_insert_extent(inode, map->m_lblk, map->m_len, + map->m_pblk, status); } up_read((&EXT4_I(inode)->i_data_sem)); @@ -701,12 +728,8 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode, ext4_es_scan_range(inode, &ext4_es_is_delayed, map->m_lblk, map->m_lblk + map->m_len - 1)) status |= EXTENT_STATUS_DELAYED; - ret = ext4_es_insert_extent(inode, map->m_lblk, map->m_len, - map->m_pblk, status); - if (ret < 0) { - retval = ret; - goto out_sem; - } + ext4_es_insert_extent(inode, map->m_lblk, map->m_len, + map->m_pblk, status); } out_sem: @@ -1718,12 +1741,10 @@ static int ext4_da_map_blocks(struct inode *inode, sector_t iblock, /* Lookup extent status tree firstly */ if (ext4_es_lookup_extent(inode, iblock, NULL, &es)) { - if (ext4_es_is_hole(&es)) { - retval = 0; - down_read(&EXT4_I(inode)->i_data_sem); + if (ext4_es_is_hole(&es)) goto add_delayed; - } +found: /* * Delayed extent could be allocated by fallocate. * So we need to check it. @@ -1760,52 +1781,42 @@ static int ext4_da_map_blocks(struct inode *inode, sector_t iblock, down_read(&EXT4_I(inode)->i_data_sem); if (ext4_has_inline_data(inode)) retval = 0; - else if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) - retval = ext4_ext_map_blocks(NULL, inode, map, 0); else - retval = ext4_ind_map_blocks(NULL, inode, map, 0); + retval = ext4_map_query_blocks(NULL, inode, map); + up_read(&EXT4_I(inode)->i_data_sem); + if (retval) + return retval; add_delayed: - if (retval == 0) { - int ret; - - /* - * XXX: __block_prepare_write() unmaps passed block, - * is it OK? - */ - - ret = ext4_insert_delayed_block(inode, map->m_lblk); - if (ret != 0) { - retval = ret; - goto out_unlock; + down_write(&EXT4_I(inode)->i_data_sem); + /* + * Page fault path (ext4_page_mkwrite does not take i_rwsem) + * and fallocate path (no folio lock) can race. Make sure we + * lookup the extent status tree here again while i_data_sem + * is held in write mode, before inserting a new da entry in + * the extent status tree. + */ + if (ext4_es_lookup_extent(inode, iblock, NULL, &es)) { + if (!ext4_es_is_hole(&es)) { + up_write(&EXT4_I(inode)->i_data_sem); + goto found; } - - map_bh(bh, inode->i_sb, invalid_block); - set_buffer_new(bh); - set_buffer_delay(bh); - } else if (retval > 0) { - int ret; - unsigned int status; - - if (unlikely(retval != map->m_len)) { - ext4_warning(inode->i_sb, - "ES len assertion failed for inode " - "%lu: retval %d != map->m_len %d", - inode->i_ino, retval, map->m_len); - WARN_ON(1); + } else if (!ext4_has_inline_data(inode)) { + retval = ext4_map_query_blocks(NULL, inode, map); + if (retval) { + up_write(&EXT4_I(inode)->i_data_sem); + return retval; } - - status = map->m_flags & EXT4_MAP_UNWRITTEN ? - EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN; - ret = ext4_es_insert_extent(inode, map->m_lblk, map->m_len, - map->m_pblk, status); - if (ret != 0) - retval = ret; } -out_unlock: - up_read((&EXT4_I(inode)->i_data_sem)); + retval = ext4_insert_delayed_block(inode, map->m_lblk); + up_write(&EXT4_I(inode)->i_data_sem); + if (retval) + return retval; + map_bh(bh, inode->i_sb, invalid_block); + set_buffer_new(bh); + set_buffer_delay(bh); return retval; } @@ -4910,9 +4921,12 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino, "iget: bogus i_mode (%o)", inode->i_mode); goto bad_inode; } - if (IS_CASEFOLDED(inode) && !ext4_has_feature_casefold(inode->i_sb)) + if (IS_CASEFOLDED(inode) && !ext4_has_feature_casefold(inode->i_sb)) { ext4_error_inode(inode, function, line, 0, "casefold flag without casefold feature"); + ret = -EFSCORRUPTED; + goto bad_inode; + } if ((err_str = check_igot_inode(inode, flags)) != NULL) { ext4_error_inode(inode, function, line, 0, err_str); ret = -EFSCORRUPTED; @@ -5287,8 +5301,9 @@ static void ext4_wait_for_tail_page_commit(struct inode *inode) struct page *page; unsigned offset; journal_t *journal = EXT4_SB(inode->i_sb)->s_journal; - tid_t commit_tid = 0; + tid_t commit_tid; int ret; + bool has_transaction; offset = inode->i_size & (PAGE_SIZE - 1); /* @@ -5313,12 +5328,14 @@ static void ext4_wait_for_tail_page_commit(struct inode *inode) put_page(page); if (ret != -EBUSY) return; - commit_tid = 0; + has_transaction = false; read_lock(&journal->j_state_lock); - if (journal->j_committing_transaction) + if (journal->j_committing_transaction) { commit_tid = journal->j_committing_transaction->t_tid; + has_transaction = true; + } read_unlock(&journal->j_state_lock); - if (commit_tid) + if (has_transaction) jbd2_log_wait_commit(journal, commit_tid); } } diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 1145664a0b..6b7d69037b 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2270,8 +2270,7 @@ int ext4_mb_find_by_goal(struct ext4_allocation_context *ac, if (max >= ac->ac_g_ex.fe_len && ac->ac_g_ex.fe_len == sbi->s_stripe) { ext4_fsblk_t start; - start = ext4_group_first_block_no(ac->ac_sb, e4b->bd_group) + - ex.fe_start; + start = ext4_grp_offs_to_block(ac->ac_sb, &ex); /* use do_div to get remainder (would be 64-bit modulo) */ if (do_div(start, sbi->s_stripe) == 0) { ac->ac_found++; @@ -3722,11 +3721,8 @@ static void ext4_free_data_in_buddy(struct super_block *sb, /* * Clear the trimmed flag for the group so that the next * ext4_trim_fs can trim it. - * If the volume is mounted with -o discard, online discard - * is supported and the free blocks will be trimmed online. */ - if (!test_opt(sb, DISCARD)) - EXT4_MB_GRP_CLEAR_TRIMMED(db); + EXT4_MB_GRP_CLEAR_TRIMMED(db); if (!db->bb_free_root.rb_node) { /* No more items in the per group rb tree @@ -6128,8 +6124,9 @@ static void ext4_mb_clear_bb(handle_t *handle, struct inode *inode, " group:%u block:%d count:%lu failed" " with %d", block_group, bit, count, err); - } else - EXT4_MB_GRP_CLEAR_TRIMMED(e4b.bd_info); + } + + EXT4_MB_GRP_CLEAR_TRIMMED(e4b.bd_info); ext4_lock_group(sb, block_group); mb_clear_bits(bitmap_bh->b_data, bit, count_clusters); @@ -6497,6 +6494,9 @@ __releases(ext4_group_lock_ptr(sb, e4b->bd_group)) bool set_trimmed = false; void *bitmap; + if (unlikely(EXT4_MB_GRP_BBITMAP_CORRUPT(e4b->bd_info))) + return 0; + last = ext4_last_grp_cluster(sb, e4b->bd_group); bitmap = e4b->bd_bitmap; if (start == 0 && max >= last) diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c index b0ea646454..59290356aa 100644 --- a/fs/ext4/migrate.c +++ b/fs/ext4/migrate.c @@ -663,8 +663,8 @@ int ext4_ind_migrate(struct inode *inode) if (unlikely(ret2 && !ret)) ret = ret2; errout: - ext4_journal_stop(handle); up_write(&EXT4_I(inode)->i_data_sem); + ext4_journal_stop(handle); out_unlock: percpu_up_write(&sbi->s_writepages_rwsem); return ret; diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index f8dd5d972c..661a8544d7 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -36,7 +36,6 @@ get_ext_path(struct inode *inode, ext4_lblk_t lblock, *ppath = NULL; return -ENODATA; } - *ppath = path; return 0; } diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index e9501fb284..2141f39e01 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -151,10 +151,11 @@ static struct buffer_head *__ext4_read_dirblock(struct inode *inode, return bh; } - if (!bh && (type == INDEX || type == DIRENT_HTREE)) { + /* The first directory block must not be a hole. */ + if (!bh && (type == INDEX || type == DIRENT_HTREE || block == 0)) { ext4_error_inode(inode, func, line, block, - "Directory hole found for htree %s block", - (type == INDEX) ? "index" : "leaf"); + "Directory hole found for htree %s block %u", + (type == INDEX) ? "index" : "leaf", block); return ERR_PTR(-EFSCORRUPTED); } if (!bh) @@ -1525,7 +1526,7 @@ static bool ext4_match(struct inode *parent, } /* - * Returns 0 if not found, -1 on failure, and 1 on success + * Returns 0 if not found, -EFSCORRUPTED on failure, and 1 on success */ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size, struct inode *dir, struct ext4_filename *fname, @@ -1546,7 +1547,7 @@ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size, * a full check */ if (ext4_check_dir_entry(dir, NULL, de, bh, search_buf, buf_size, offset)) - return -1; + return -EFSCORRUPTED; *res_dir = de; return 1; } @@ -1554,7 +1555,7 @@ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size, de_len = ext4_rec_len_from_disk(de->rec_len, dir->i_sb->s_blocksize); if (de_len <= 0) - return -1; + return -EFSCORRUPTED; offset += de_len; de = (struct ext4_dir_entry_2 *) ((char *) de + de_len); } @@ -1706,8 +1707,10 @@ static struct buffer_head *__ext4_find_entry(struct inode *dir, goto cleanup_and_exit; } else { brelse(bh); - if (i < 0) + if (i < 0) { + ret = ERR_PTR(i); goto cleanup_and_exit; + } } next: if (++block >= nblocks) @@ -1802,7 +1805,7 @@ static struct buffer_head * ext4_dx_find_entry(struct inode *dir, if (retval == 1) goto success; brelse(bh); - if (retval == -1) { + if (retval < 0) { bh = ERR_PTR(ERR_BAD_DX_DIR); goto errout; } @@ -2044,7 +2047,7 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, split = count/2; hash2 = map[split].hash; - continued = hash2 == map[split - 1].hash; + continued = split > 0 ? hash2 == map[split - 1].hash : 0; dxtrace(printk(KERN_INFO "Split block %lu at %x, %i/%i\n", (unsigned long)dx_get_block(frame->at), hash2, split, count-split)); @@ -2218,6 +2221,52 @@ static int add_dirent_to_buf(handle_t *handle, struct ext4_filename *fname, return err ? err : err2; } +static bool ext4_check_dx_root(struct inode *dir, struct dx_root *root) +{ + struct fake_dirent *fde; + const char *error_msg; + unsigned int rlen; + unsigned int blocksize = dir->i_sb->s_blocksize; + char *blockend = (char *)root + dir->i_sb->s_blocksize; + + fde = &root->dot; + if (unlikely(fde->name_len != 1)) { + error_msg = "invalid name_len for '.'"; + goto corrupted; + } + if (unlikely(strncmp(root->dot_name, ".", fde->name_len))) { + error_msg = "invalid name for '.'"; + goto corrupted; + } + rlen = ext4_rec_len_from_disk(fde->rec_len, blocksize); + if (unlikely((char *)fde + rlen >= blockend)) { + error_msg = "invalid rec_len for '.'"; + goto corrupted; + } + + fde = &root->dotdot; + if (unlikely(fde->name_len != 2)) { + error_msg = "invalid name_len for '..'"; + goto corrupted; + } + if (unlikely(strncmp(root->dotdot_name, "..", fde->name_len))) { + error_msg = "invalid name for '..'"; + goto corrupted; + } + rlen = ext4_rec_len_from_disk(fde->rec_len, blocksize); + if (unlikely((char *)fde + rlen >= blockend)) { + error_msg = "invalid rec_len for '..'"; + goto corrupted; + } + + return true; + +corrupted: + EXT4_ERROR_INODE(dir, "Corrupt dir, %s, running e2fsck is recommended", + error_msg); + return false; +} + /* * This converts a one block unindexed directory to a 3 block indexed * directory, and adds the dentry to the indexed directory. @@ -2252,17 +2301,17 @@ static int make_indexed_dir(handle_t *handle, struct ext4_filename *fname, brelse(bh); return retval; } + root = (struct dx_root *) bh->b_data; + if (!ext4_check_dx_root(dir, root)) { + brelse(bh); + return -EFSCORRUPTED; + } /* The 0th block becomes the root, move the dirents out */ fde = &root->dotdot; de = (struct ext4_dir_entry_2 *)((char *)fde + ext4_rec_len_from_disk(fde->rec_len, blocksize)); - if ((char *) de >= (((char *) root) + blocksize)) { - EXT4_ERROR_INODE(dir, "invalid rec_len for '..'"); - brelse(bh); - return -EFSCORRUPTED; - } len = ((char *) root) + (blocksize - csum_size) - (char *) de; /* Allocate new block for the 0th block's dirents */ @@ -3087,10 +3136,7 @@ bool ext4_empty_dir(struct inode *inode) EXT4_ERROR_INODE(inode, "invalid size"); return false; } - /* The first directory block must not be a hole, - * so treat it as DIRENT_HTREE - */ - bh = ext4_read_dirblock(inode, 0, DIRENT_HTREE); + bh = ext4_read_dirblock(inode, 0, EITHER); if (IS_ERR(bh)) return false; @@ -3548,10 +3594,7 @@ static struct buffer_head *ext4_get_first_dir_block(handle_t *handle, struct ext4_dir_entry_2 *de; unsigned int offset; - /* The first directory block must not be a hole, so - * treat it as DIRENT_HTREE - */ - bh = ext4_read_dirblock(inode, 0, DIRENT_HTREE); + bh = ext4_read_dirblock(inode, 0, EITHER); if (IS_ERR(bh)) { *retval = PTR_ERR(bh); return NULL; @@ -4011,12 +4054,19 @@ static int ext4_rename(struct user_namespace *mnt_userns, struct inode *old_dir, ext4_fc_mark_ineligible(old.inode->i_sb, EXT4_FC_REASON_RENAME_DIR, handle); } else { + struct super_block *sb = old.inode->i_sb; + if (new.inode) ext4_fc_track_unlink(handle, new.dentry); - __ext4_fc_track_link(handle, old.inode, new.dentry); - __ext4_fc_track_unlink(handle, old.inode, old.dentry); - if (whiteout) - __ext4_fc_track_create(handle, whiteout, old.dentry); + if (test_opt2(sb, JOURNAL_FAST_COMMIT) && + !(EXT4_SB(sb)->s_mount_state & EXT4_FC_REPLAY) && + !(ext4_test_mount_flag(sb, EXT4_MF_FC_INELIGIBLE))) { + __ext4_fc_track_link(handle, old.inode, new.dentry); + __ext4_fc_track_unlink(handle, old.inode, old.dentry); + if (whiteout) + __ext4_fc_track_create(handle, whiteout, + old.dentry); + } } if (new.inode) { diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index 03e224401b..6a9f841e33 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -490,6 +490,13 @@ int ext4_bio_write_page(struct ext4_io_submit *io, /* A hole? We can safely clear the dirty bit */ if (!buffer_mapped(bh)) clear_buffer_dirty(bh); + /* + * Keeping dirty some buffer we cannot write? Make + * sure to redirty the page. This happens e.g. when + * doing writeout for transaction commit. + */ + if (buffer_dirty(bh) && !PageDirty(page)) + redirty_page_for_writepage(wbc, page); if (io->io_bio) ext4_io_submit(io); continue; @@ -497,6 +504,7 @@ int ext4_bio_write_page(struct ext4_io_submit *io, if (buffer_new(bh)) clear_buffer_new(bh); set_buffer_async_write(bh); + clear_buffer_dirty(bh); nr_to_submit++; } while ((bh = bh->b_this_page) != head); @@ -539,7 +547,10 @@ int ext4_bio_write_page(struct ext4_io_submit *io, printk_ratelimited(KERN_ERR "%s: ret = %d\n", __func__, ret); redirty_page_for_writepage(wbc, page); do { - clear_buffer_async_write(bh); + if (buffer_async_write(bh)) { + clear_buffer_async_write(bh); + set_buffer_dirty(bh); + } bh = bh->b_this_page; } while (bh != head); goto unlock; @@ -552,7 +563,6 @@ int ext4_bio_write_page(struct ext4_io_submit *io, continue; io_submit_add_bh(io, inode, page, bounce_page, bh); nr_submitted++; - clear_buffer_dirty(bh); } while ((bh = bh->b_this_page) != head); unlock: diff --git a/fs/ext4/super.c b/fs/ext4/super.c index b09b7a6b7a..93eb26c162 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -674,11 +674,12 @@ static void ext4_handle_error(struct super_block *sb, bool force_ro, int error, ext4_msg(sb, KERN_CRIT, "Remounting filesystem read-only"); /* - * Make sure updated value of ->s_mount_flags will be visible before - * ->s_flags update + * EXT4_FLAGS_SHUTDOWN was set which stops all filesystem + * modifications. We don't set SB_RDONLY because that requires + * sb->s_umount semaphore and setting it without proper remount + * procedure is confusing code such as freeze_super() leading to + * deadlocks and other problems. */ - smp_wmb(); - sb->s_flags |= SB_RDONLY; } static void flush_stashed_error_work(struct work_struct *work) diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 37f3c2ebe6..a22c85bf8a 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -422,7 +422,7 @@ static int ext4_xattr_inode_iget(struct inode *parent, unsigned long ea_ino, ext4_set_inode_state(inode, EXT4_STATE_LUSTRE_EA_INODE); ext4_xattr_inode_set_ref(inode, 1); } else { - inode_lock(inode); + inode_lock_nested(inode, I_MUTEX_XATTR); inode->i_flags |= S_NOQUOTA; inode_unlock(inode); } @@ -990,7 +990,7 @@ static int ext4_xattr_inode_update_ref(handle_t *handle, struct inode *ea_inode, s64 ref_count; int ret; - inode_lock(ea_inode); + inode_lock_nested(ea_inode, I_MUTEX_XATTR); ret = ext4_reserve_inode_write(handle, ea_inode, &iloc); if (ret) @@ -1384,6 +1384,12 @@ static int ext4_xattr_inode_write(handle_t *handle, struct inode *ea_inode, goto out; memcpy(bh->b_data, buf, csize); + /* + * Zero out block tail to avoid writing uninitialized memory + * to disk. + */ + if (csize < blocksize) + memset(bh->b_data + csize, 0, blocksize - csize); set_buffer_uptodate(bh); ext4_handle_dirty_metadata(handle, ea_inode, bh); @@ -2506,6 +2512,8 @@ ext4_xattr_set(struct inode *inode, int name_index, const char *name, error = ext4_xattr_set_handle(handle, inode, name_index, name, value, value_len, flags); + ext4_fc_mark_ineligible(inode->i_sb, EXT4_FC_REASON_XATTR, + handle); error2 = ext4_journal_stop(handle); if (error == -ENOSPC && ext4_should_retry_alloc(sb, &retries)) @@ -2513,7 +2521,6 @@ ext4_xattr_set(struct inode *inode, int name_index, const char *name, if (error == 0) error = error2; } - ext4_fc_mark_ineligible(inode->i_sb, EXT4_FC_REASON_XATTR, NULL); return error; } diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index fa86eaf1d6..3f8dae229d 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -2567,6 +2567,9 @@ static inline bool check_inplace_update_policy(struct inode *inode, struct f2fs_sb_info *sbi = F2FS_I_SB(inode); unsigned int policy = SM_I(sbi)->ipu_policy; + if (policy & (0x1 << F2FS_IPU_HONOR_OPU_WRITE) && + is_inode_flag_set(inode, FI_OPU_WRITE)) + return false; if (policy & (0x1 << F2FS_IPU_FORCE)) return true; if (policy & (0x1 << F2FS_IPU_SSR) && f2fs_need_SSR(sbi)) @@ -2637,6 +2640,9 @@ bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio) if (is_inode_flag_set(inode, FI_ALIGNED_WRITE)) return true; + if (is_inode_flag_set(inode, FI_OPU_WRITE)) + return true; + if (fio) { if (page_private_gcing(fio->page)) return true; @@ -3263,8 +3269,8 @@ static int __f2fs_write_data_pages(struct address_space *mapping, f2fs_available_free_memory(sbi, DIRTY_DENTS)) goto skip_write; - /* skip writing during file defragment */ - if (is_inode_flag_set(inode, FI_DO_DEFRAG)) + /* skip writing in file defragment preparing stage */ + if (is_inode_flag_set(inode, FI_SKIP_WRITES)) goto skip_write; trace_f2fs_writepages(mapping->host, wbc, DATA); @@ -3998,6 +4004,7 @@ static int f2fs_migrate_blocks(struct inode *inode, block_t start_blk, filemap_invalidate_lock(inode->i_mapping); set_inode_flag(inode, FI_ALIGNED_WRITE); + set_inode_flag(inode, FI_OPU_WRITE); for (; secidx < end_sec; secidx++) { down_write(&sbi->pin_sem); @@ -4006,7 +4013,7 @@ static int f2fs_migrate_blocks(struct inode *inode, block_t start_blk, f2fs_allocate_new_section(sbi, CURSEG_COLD_DATA_PINNED, false); f2fs_unlock_op(sbi); - set_inode_flag(inode, FI_DO_DEFRAG); + set_inode_flag(inode, FI_SKIP_WRITES); for (blkofs = 0; blkofs < blk_per_sec; blkofs++) { struct page *page; @@ -4023,7 +4030,7 @@ static int f2fs_migrate_blocks(struct inode *inode, block_t start_blk, f2fs_put_page(page, 1); } - clear_inode_flag(inode, FI_DO_DEFRAG); + clear_inode_flag(inode, FI_SKIP_WRITES); ret = filemap_fdatawrite(inode->i_mapping); @@ -4034,7 +4041,8 @@ static int f2fs_migrate_blocks(struct inode *inode, block_t start_blk, } done: - clear_inode_flag(inode, FI_DO_DEFRAG); + clear_inode_flag(inode, FI_SKIP_WRITES); + clear_inode_flag(inode, FI_OPU_WRITE); clear_inode_flag(inode, FI_ALIGNED_WRITE); filemap_invalidate_unlock(inode->i_mapping); diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index 5c78350158..2eecd8c737 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -190,7 +190,8 @@ static unsigned long dir_block_index(unsigned int level, unsigned long bidx = 0; for (i = 0; i < level; i++) - bidx += dir_buckets(i, dir_level) * bucket_blocks(i); + bidx += mul_u32_u32(dir_buckets(i, dir_level), + bucket_blocks(i)); bidx += idx * bucket_blocks(level); return bidx; } diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index e49fca9daf..856a44da79 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -261,7 +261,8 @@ enum { ORPHAN_INO, /* for orphan ino list */ APPEND_INO, /* for append ino list */ UPDATE_INO, /* for update ino list */ - TRANS_DIR_INO, /* for trasactions dir ino list */ + TRANS_DIR_INO, /* for transactions dir ino list */ + XATTR_DIR_INO, /* for xattr updated dir ino list */ FLUSH_INO, /* for multiple device flushing */ MAX_INO_ENTRY, /* max. list */ }; @@ -713,8 +714,8 @@ enum { FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */ FI_DROP_CACHE, /* drop dirty page cache */ FI_DATA_EXIST, /* indicate data exists */ - FI_INLINE_DOTS, /* indicate inline dot dentries */ - FI_DO_DEFRAG, /* indicate defragment is running */ + FI_SKIP_WRITES, /* should skip data page writeback */ + FI_OPU_WRITE, /* used for opu per file */ FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */ FI_NO_PREALLOC, /* indicate skipped preallocated blocks */ FI_HOT_DATA, /* indicate file is hot */ @@ -1124,6 +1125,7 @@ enum cp_reason_type { CP_FASTBOOT_MODE, CP_SPEC_LOG_NUM, CP_RECOVER_DIR, + CP_XATTR_DIR, }; enum iostat_type { @@ -2838,7 +2840,6 @@ static inline void __mark_inode_dirty_flag(struct inode *inode, return; fallthrough; case FI_DATA_EXIST: - case FI_INLINE_DOTS: case FI_PIN_FILE: case FI_COMPRESS_RELEASED: f2fs_mark_inode_dirty_sync(inode, true); @@ -2956,8 +2957,6 @@ static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri) set_bit(FI_INLINE_DENTRY, fi->flags); if (ri->i_inline & F2FS_DATA_EXIST) set_bit(FI_DATA_EXIST, fi->flags); - if (ri->i_inline & F2FS_INLINE_DOTS) - set_bit(FI_INLINE_DOTS, fi->flags); if (ri->i_inline & F2FS_EXTRA_ATTR) set_bit(FI_EXTRA_ATTR, fi->flags); if (ri->i_inline & F2FS_PIN_FILE) @@ -2978,8 +2977,6 @@ static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri) ri->i_inline |= F2FS_INLINE_DENTRY; if (is_inode_flag_set(inode, FI_DATA_EXIST)) ri->i_inline |= F2FS_DATA_EXIST; - if (is_inode_flag_set(inode, FI_INLINE_DOTS)) - ri->i_inline |= F2FS_INLINE_DOTS; if (is_inode_flag_set(inode, FI_EXTRA_ATTR)) ri->i_inline |= F2FS_EXTRA_ATTR; if (is_inode_flag_set(inode, FI_PIN_FILE)) @@ -3062,11 +3059,6 @@ static inline int f2fs_exist_data(struct inode *inode) return is_inode_flag_set(inode, FI_DATA_EXIST); } -static inline int f2fs_has_inline_dots(struct inode *inode) -{ - return is_inode_flag_set(inode, FI_INLINE_DOTS); -} - static inline int f2fs_is_mmap_file(struct inode *inode) { return is_inode_flag_set(inode, FI_MMAP_FILE); diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index be9536815e..b38ce5a7a2 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -216,6 +216,9 @@ static inline enum cp_reason_type need_do_checkpoint(struct inode *inode) f2fs_exist_written_data(sbi, F2FS_I(inode)->i_pino, TRANS_DIR_INO)) cp_reason = CP_RECOVER_DIR; + else if (f2fs_exist_written_data(sbi, F2FS_I(inode)->i_pino, + XATTR_DIR_INO)) + cp_reason = CP_XATTR_DIR; return cp_reason; } @@ -2007,6 +2010,9 @@ static int f2fs_ioc_start_atomic_write(struct file *filp) struct f2fs_sb_info *sbi = F2FS_I_SB(inode); int ret; + if (!(filp->f_mode & FMODE_WRITE)) + return -EBADF; + if (!inode_owner_or_capable(&init_user_ns, inode)) return -EACCES; @@ -2077,6 +2083,9 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp) struct inode *inode = file_inode(filp); int ret; + if (!(filp->f_mode & FMODE_WRITE)) + return -EBADF; + if (!inode_owner_or_capable(&init_user_ns, inode)) return -EACCES; @@ -2119,6 +2128,9 @@ static int f2fs_ioc_start_volatile_write(struct file *filp) struct inode *inode = file_inode(filp); int ret; + if (!(filp->f_mode & FMODE_WRITE)) + return -EBADF; + if (!inode_owner_or_capable(&init_user_ns, inode)) return -EACCES; @@ -2154,6 +2166,9 @@ static int f2fs_ioc_release_volatile_write(struct file *filp) struct inode *inode = file_inode(filp); int ret; + if (!(filp->f_mode & FMODE_WRITE)) + return -EBADF; + if (!inode_owner_or_capable(&init_user_ns, inode)) return -EACCES; @@ -2183,6 +2198,9 @@ static int f2fs_ioc_abort_volatile_write(struct file *filp) struct inode *inode = file_inode(filp); int ret; + if (!(filp->f_mode & FMODE_WRITE)) + return -EBADF; + if (!inode_owner_or_capable(&init_user_ns, inode)) return -EACCES; @@ -2576,10 +2594,6 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi, bool fragmented = false; int err; - /* if in-place-update policy is enabled, don't waste time here */ - if (f2fs_should_update_inplace(inode, NULL)) - return -EINVAL; - pg_start = range->start >> PAGE_SHIFT; pg_end = (range->start + range->len) >> PAGE_SHIFT; @@ -2587,6 +2601,13 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi, inode_lock(inode); + /* if in-place-update policy is enabled, don't waste time here */ + set_inode_flag(inode, FI_OPU_WRITE); + if (f2fs_should_update_inplace(inode, NULL)) { + err = -EINVAL; + goto out; + } + /* writeback all dirty pages in the range */ err = filemap_write_and_wait_range(inode->i_mapping, range->start, range->start + range->len - 1); @@ -2668,7 +2689,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi, goto check; } - set_inode_flag(inode, FI_DO_DEFRAG); + set_inode_flag(inode, FI_SKIP_WRITES); idx = map.m_lblk; while (idx < map.m_lblk + map.m_len && cnt < blk_per_seg) { @@ -2680,6 +2701,8 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi, goto clear_out; } + f2fs_wait_on_page_writeback(page, DATA, true, true); + set_page_dirty(page); set_page_private_gcing(page); f2fs_put_page(page, 1); @@ -2694,15 +2717,16 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi, if (map.m_lblk < pg_end && cnt < blk_per_seg) goto do_map; - clear_inode_flag(inode, FI_DO_DEFRAG); + clear_inode_flag(inode, FI_SKIP_WRITES); err = filemap_fdatawrite(inode->i_mapping); if (err) goto out; } clear_out: - clear_inode_flag(inode, FI_DO_DEFRAG); + clear_inode_flag(inode, FI_SKIP_WRITES); out: + clear_inode_flag(inode, FI_OPU_WRITE); inode_unlock(inode); if (!err) range->len = (u64)total << PAGE_SHIFT; @@ -4008,10 +4032,12 @@ static int redirty_blocks(struct inode *inode, pgoff_t page_idx, int len) for (i = 0; i < page_len; i++, redirty_idx++) { page = find_lock_page(mapping, redirty_idx); - if (!page) { - ret = -ENOMEM; - break; - } + + /* It will never fail, when page has pinned above */ + f2fs_bug_on(F2FS_I_SB(inode), !page); + + f2fs_wait_on_page_writeback(page, DATA, true, true); + set_page_dirty(page); set_page_private_gcing(page); f2fs_put_page(page, 1); diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index e4fc169a07..6246ea2e1c 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -203,8 +203,10 @@ int f2fs_convert_inline_inode(struct inode *inode) struct page *ipage, *page; int err = 0; - if (!f2fs_has_inline_data(inode) || - f2fs_hw_is_readonly(sbi) || f2fs_readonly(sbi->sb)) + if (f2fs_hw_is_readonly(sbi) || f2fs_readonly(sbi->sb)) + return -EROFS; + + if (!f2fs_has_inline_data(inode)) return 0; err = f2fs_dquot_initialize(inode); diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index ddb297409f..27bd8d1bae 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -27,6 +27,9 @@ void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync) if (is_inode_flag_set(inode, FI_NEW_INODE)) return; + if (f2fs_readonly(F2FS_I_SB(inode)->sb)) + return; + if (f2fs_inode_dirtied(inode, sync)) return; diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 80bc386ec6..b70ac99267 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -450,63 +450,6 @@ struct dentry *f2fs_get_parent(struct dentry *child) return d_obtain_alias(f2fs_iget(child->d_sb, ino)); } -static int __recover_dot_dentries(struct inode *dir, nid_t pino) -{ - struct f2fs_sb_info *sbi = F2FS_I_SB(dir); - struct qstr dot = QSTR_INIT(".", 1); - struct qstr dotdot = QSTR_INIT("..", 2); - struct f2fs_dir_entry *de; - struct page *page; - int err = 0; - - if (f2fs_readonly(sbi->sb)) { - f2fs_info(sbi, "skip recovering inline_dots inode (ino:%lu, pino:%u) in readonly mountpoint", - dir->i_ino, pino); - return 0; - } - - if (!S_ISDIR(dir->i_mode)) { - f2fs_err(sbi, "inconsistent inode status, skip recovering inline_dots inode (ino:%lu, i_mode:%u, pino:%u)", - dir->i_ino, dir->i_mode, pino); - set_sbi_flag(sbi, SBI_NEED_FSCK); - return -ENOTDIR; - } - - err = f2fs_dquot_initialize(dir); - if (err) - return err; - - f2fs_balance_fs(sbi, true); - - f2fs_lock_op(sbi); - - de = f2fs_find_entry(dir, &dot, &page); - if (de) { - f2fs_put_page(page, 0); - } else if (IS_ERR(page)) { - err = PTR_ERR(page); - goto out; - } else { - err = f2fs_do_add_link(dir, &dot, NULL, dir->i_ino, S_IFDIR); - if (err) - goto out; - } - - de = f2fs_find_entry(dir, &dotdot, &page); - if (de) - f2fs_put_page(page, 0); - else if (IS_ERR(page)) - err = PTR_ERR(page); - else - err = f2fs_do_add_link(dir, &dotdot, NULL, pino, S_IFDIR); -out: - if (!err) - clear_inode_flag(dir, FI_INLINE_DOTS); - - f2fs_unlock_op(sbi); - return err; -} - static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { @@ -516,7 +459,6 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry, struct dentry *new; nid_t ino = -1; int err = 0; - unsigned int root_ino = F2FS_ROOT_INO(F2FS_I_SB(dir)); struct f2fs_filename fname; trace_f2fs_lookup_start(dir, dentry, flags); @@ -553,17 +495,6 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry, goto out; } - if ((dir->i_ino == root_ino) && f2fs_has_inline_dots(dir)) { - err = __recover_dot_dentries(dir, root_ino); - if (err) - goto out_iput; - } - - if (f2fs_has_inline_dots(inode)) { - err = __recover_dot_dentries(inode, dir->i_ino); - if (err) - goto out_iput; - } if (IS_ENCRYPTED(dir) && (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) && !fscrypt_has_permitted_context(dir, inode)) { diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 1c69dc91c3..dc33b4e5c0 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2269,6 +2269,8 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del) #endif segno = GET_SEGNO(sbi, blkaddr); + if (segno == NULL_SEGNO) + return; se = get_seg_entry(sbi, segno); new_vblocks = se->valid_blocks + del; @@ -3443,8 +3445,7 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, * since SSR needs latest valid block information. */ update_sit_entry(sbi, *new_blkaddr, 1); - if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO) - update_sit_entry(sbi, old_blkaddr, -1); + update_sit_entry(sbi, old_blkaddr, -1); if (!__has_curseg_space(sbi, curseg)) { if (from_gc) diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 04f448ddf4..2c1165e8f1 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -665,7 +665,9 @@ static inline int utilization(struct f2fs_sb_info *sbi) * pages over min_fsync_blocks. (=default option) * F2FS_IPU_ASYNC - do IPU given by asynchronous write requests. * F2FS_IPU_NOCACHE - disable IPU bio cache. - * F2FS_IPUT_DISABLE - disable IPU. (=default option in LFS mode) + * F2FS_IPU_HONOR_OPU_WRITE - use OPU write prior to IPU write if inode has + * FI_OPU_WRITE flag. + * F2FS_IPU_DISABLE - disable IPU. (=default option in LFS mode) */ #define DEF_MIN_IPU_UTIL 70 #define DEF_MIN_FSYNC_BLOCKS 8 @@ -681,6 +683,7 @@ enum { F2FS_IPU_FSYNC, F2FS_IPU_ASYNC, F2FS_IPU_NOCACHE, + F2FS_IPU_HONOR_OPU_WRITE, }; static inline unsigned int curseg_segno(struct f2fs_sb_info *sbi, diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index df1e549635..f8aaff9b17 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2068,8 +2068,6 @@ static void default_options(struct f2fs_sb_info *sbi) F2FS_OPTION(sbi).compress_mode = COMPR_MODE_FS; F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON; - sbi->sb->s_flags &= ~SB_INLINECRYPT; - set_opt(sbi, INLINE_XATTR); set_opt(sbi, INLINE_DATA); set_opt(sbi, INLINE_DENTRY); @@ -3183,9 +3181,9 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi, u32 segment_count = le32_to_cpu(raw_super->segment_count); u32 log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); u64 main_end_blkaddr = main_blkaddr + - (segment_count_main << log_blocks_per_seg); + ((u64)segment_count_main << log_blocks_per_seg); u64 seg_end_blkaddr = segment0_blkaddr + - (segment_count << log_blocks_per_seg); + ((u64)segment_count << log_blocks_per_seg); if (segment0_blkaddr != cp_blkaddr) { f2fs_info(sbi, "Mismatch start address, segment0(%u) cp_blkaddr(%u)", @@ -3973,7 +3971,8 @@ static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi) F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; if (f2fs_block_unit_discard(sbi)) sm_i->dcc_info->discard_granularity = 1; - sm_i->ipu_policy = 1 << F2FS_IPU_FORCE; + sm_i->ipu_policy = 1 << F2FS_IPU_FORCE | + 1 << F2FS_IPU_HONOR_OPU_WRITE; } sbi->readdir_ra = 1; diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index 1a18936bc5..6bc8efda40 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -631,6 +631,7 @@ static int __f2fs_setxattr(struct inode *inode, int index, const char *name, const void *value, size_t size, struct page *ipage, int flags) { + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_xattr_entry *here, *last; void *base_addr, *last_base_addr; int found, newsize; @@ -760,17 +761,26 @@ static int __f2fs_setxattr(struct inode *inode, int index, if (index == F2FS_XATTR_INDEX_ENCRYPTION && !strcmp(name, F2FS_XATTR_NAME_ENCRYPTION_CONTEXT)) f2fs_set_encrypted_inode(inode); - f2fs_mark_inode_dirty_sync(inode, true); - if (!error && S_ISDIR(inode->i_mode)) - set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_CP); + if (!S_ISDIR(inode->i_mode)) + goto same; + /* + * In restrict mode, fsync() always try to trigger checkpoint for all + * metadata consistency, in other mode, it triggers checkpoint when + * parent's xattr metadata was updated. + */ + if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) + set_sbi_flag(sbi, SBI_NEED_CP); + else + f2fs_add_ino_entry(sbi, inode->i_ino, XATTR_DIR_INO); same: if (is_inode_flag_set(inode, FI_ACL_MODE)) { inode->i_mode = F2FS_I(inode)->i_acl_mode; - inode->i_ctime = current_time(inode); clear_inode_flag(inode, FI_ACL_MODE); } + inode->i_ctime = current_time(inode); + f2fs_mark_inode_dirty_sync(inode, true); exit: kfree(base_addr); return error; diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c index 5369d82e0b..e69e2a4f99 100644 --- a/fs/fat/namei_vfat.c +++ b/fs/fat/namei_vfat.c @@ -1020,7 +1020,7 @@ static int vfat_rename(struct user_namespace *mnt_userns, struct inode *old_dir, if (corrupt < 0) { fat_fs_error(new_dir->i_sb, "%s: Filesystem corrupted (i_pos %lld)", - __func__, sinfo.i_pos); + __func__, new_i_pos); } goto out; } diff --git a/fs/fcntl.c b/fs/fcntl.c index 9c6c6a3e2d..d8ff5a48be 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -85,8 +85,8 @@ static int setfl(int fd, struct file * filp, unsigned long arg) return error; } -static void f_modown(struct file *filp, struct pid *pid, enum pid_type type, - int force) +void __f_setown(struct file *filp, struct pid *pid, enum pid_type type, + int force) { write_lock_irq(&filp->f_owner.lock); if (force || !filp->f_owner.pid) { @@ -96,19 +96,13 @@ static void f_modown(struct file *filp, struct pid *pid, enum pid_type type, if (pid) { const struct cred *cred = current_cred(); + security_file_set_fowner(filp); filp->f_owner.uid = cred->uid; filp->f_owner.euid = cred->euid; } } write_unlock_irq(&filp->f_owner.lock); } - -void __f_setown(struct file *filp, struct pid *pid, enum pid_type type, - int force) -{ - security_file_set_fowner(filp); - f_modown(filp, pid, type, force); -} EXPORT_SYMBOL(__f_setown); int f_setown(struct file *filp, unsigned long arg, int force) @@ -144,7 +138,7 @@ EXPORT_SYMBOL(f_setown); void f_delown(struct file *filp) { - f_modown(filp, NULL, PIDTYPE_TGID, 1); + __f_setown(filp, NULL, PIDTYPE_TGID, 1); } pid_t f_getown(struct file *filp) diff --git a/fs/file.c b/fs/file.c index 69a51d37b6..b4194ee5c4 100644 --- a/fs/file.c +++ b/fs/file.c @@ -46,27 +46,23 @@ static void free_fdtable_rcu(struct rcu_head *rcu) #define BITBIT_NR(nr) BITS_TO_LONGS(BITS_TO_LONGS(nr)) #define BITBIT_SIZE(nr) (BITBIT_NR(nr) * sizeof(long)) +#define fdt_words(fdt) ((fdt)->max_fds / BITS_PER_LONG) // words in ->open_fds /* * Copy 'count' fd bits from the old table to the new table and clear the extra * space if any. This does not copy the file pointers. Called with the files * spinlock held for write. */ -static void copy_fd_bitmaps(struct fdtable *nfdt, struct fdtable *ofdt, - unsigned int count) +static inline void copy_fd_bitmaps(struct fdtable *nfdt, struct fdtable *ofdt, + unsigned int copy_words) { - unsigned int cpy, set; - - cpy = count / BITS_PER_BYTE; - set = (nfdt->max_fds - count) / BITS_PER_BYTE; - memcpy(nfdt->open_fds, ofdt->open_fds, cpy); - memset((char *)nfdt->open_fds + cpy, 0, set); - memcpy(nfdt->close_on_exec, ofdt->close_on_exec, cpy); - memset((char *)nfdt->close_on_exec + cpy, 0, set); - - cpy = BITBIT_SIZE(count); - set = BITBIT_SIZE(nfdt->max_fds) - cpy; - memcpy(nfdt->full_fds_bits, ofdt->full_fds_bits, cpy); - memset((char *)nfdt->full_fds_bits + cpy, 0, set); + unsigned int nwords = fdt_words(nfdt); + + bitmap_copy_and_extend(nfdt->open_fds, ofdt->open_fds, + copy_words * BITS_PER_LONG, nwords * BITS_PER_LONG); + bitmap_copy_and_extend(nfdt->close_on_exec, ofdt->close_on_exec, + copy_words * BITS_PER_LONG, nwords * BITS_PER_LONG); + bitmap_copy_and_extend(nfdt->full_fds_bits, ofdt->full_fds_bits, + copy_words, nwords); } /* @@ -84,7 +80,7 @@ static void copy_fdtable(struct fdtable *nfdt, struct fdtable *ofdt) memcpy(nfdt->fd, ofdt->fd, cpy); memset((char *)nfdt->fd + cpy, 0, set); - copy_fd_bitmaps(nfdt, ofdt, ofdt->max_fds); + copy_fd_bitmaps(nfdt, ofdt, fdt_words(ofdt)); } /* @@ -271,59 +267,45 @@ static inline void __clear_open_fd(unsigned int fd, struct fdtable *fdt) __clear_bit(fd / BITS_PER_LONG, fdt->full_fds_bits); } -static unsigned int count_open_files(struct fdtable *fdt) -{ - unsigned int size = fdt->max_fds; - unsigned int i; - - /* Find the last open fd */ - for (i = size / BITS_PER_LONG; i > 0; ) { - if (fdt->open_fds[--i]) - break; - } - i = (i + 1) * BITS_PER_LONG; - return i; -} - /* * Note that a sane fdtable size always has to be a multiple of * BITS_PER_LONG, since we have bitmaps that are sized by this. * - * 'max_fds' will normally already be properly aligned, but it - * turns out that in the close_range() -> __close_range() -> - * unshare_fd() -> dup_fd() -> sane_fdtable_size() we can end - * up having a 'max_fds' value that isn't already aligned. - * - * Rather than make close_range() have to worry about this, - * just make that BITS_PER_LONG alignment be part of a sane - * fdtable size. Becuase that's really what it is. + * punch_hole is optional - when close_range() is asked to unshare + * and close, we don't need to copy descriptors in that range, so + * a smaller cloned descriptor table might suffice if the last + * currently opened descriptor falls into that range. */ -static unsigned int sane_fdtable_size(struct fdtable *fdt, unsigned int max_fds) +static unsigned int sane_fdtable_size(struct fdtable *fdt, struct fd_range *punch_hole) { - unsigned int count; - - count = count_open_files(fdt); - if (max_fds < NR_OPEN_DEFAULT) - max_fds = NR_OPEN_DEFAULT; - return ALIGN(min(count, max_fds), BITS_PER_LONG); + unsigned int last = find_last_bit(fdt->open_fds, fdt->max_fds); + + if (last == fdt->max_fds) + return NR_OPEN_DEFAULT; + if (punch_hole && punch_hole->to >= last && punch_hole->from <= last) { + last = find_last_bit(fdt->open_fds, punch_hole->from); + if (last == punch_hole->from) + return NR_OPEN_DEFAULT; + } + return ALIGN(last + 1, BITS_PER_LONG); } /* - * Allocate a new files structure and copy contents from the - * passed in files structure. - * errorp will be valid only when the returned files_struct is NULL. + * Allocate a new descriptor table and copy contents from the passed in + * instance. Returns a pointer to cloned table on success, ERR_PTR() + * on failure. For 'punch_hole' see sane_fdtable_size(). */ -struct files_struct *dup_fd(struct files_struct *oldf, unsigned int max_fds, int *errorp) +struct files_struct *dup_fd(struct files_struct *oldf, struct fd_range *punch_hole) { struct files_struct *newf; struct file **old_fds, **new_fds; unsigned int open_files, i; struct fdtable *old_fdt, *new_fdt; + int error; - *errorp = -ENOMEM; newf = kmem_cache_alloc(files_cachep, GFP_KERNEL); if (!newf) - goto out; + return ERR_PTR(-ENOMEM); atomic_set(&newf->count, 1); @@ -340,7 +322,7 @@ struct files_struct *dup_fd(struct files_struct *oldf, unsigned int max_fds, int spin_lock(&oldf->file_lock); old_fdt = files_fdtable(oldf); - open_files = sane_fdtable_size(old_fdt, max_fds); + open_files = sane_fdtable_size(old_fdt, punch_hole); /* * Check whether we need to allocate a larger fd array and fd set. @@ -353,14 +335,14 @@ struct files_struct *dup_fd(struct files_struct *oldf, unsigned int max_fds, int new_fdt = alloc_fdtable(open_files - 1); if (!new_fdt) { - *errorp = -ENOMEM; + error = -ENOMEM; goto out_release; } /* beyond sysctl_nr_open; nothing to do */ if (unlikely(new_fdt->max_fds < open_files)) { __free_fdtable(new_fdt); - *errorp = -EMFILE; + error = -EMFILE; goto out_release; } @@ -371,10 +353,10 @@ struct files_struct *dup_fd(struct files_struct *oldf, unsigned int max_fds, int */ spin_lock(&oldf->file_lock); old_fdt = files_fdtable(oldf); - open_files = sane_fdtable_size(old_fdt, max_fds); + open_files = sane_fdtable_size(old_fdt, punch_hole); } - copy_fd_bitmaps(new_fdt, old_fdt, open_files); + copy_fd_bitmaps(new_fdt, old_fdt, open_files / BITS_PER_LONG); old_fds = old_fdt->fd; new_fds = new_fdt->fd; @@ -405,8 +387,7 @@ struct files_struct *dup_fd(struct files_struct *oldf, unsigned int max_fds, int out_release: kmem_cache_free(files_cachep, newf); -out: - return NULL; + return ERR_PTR(error); } static struct fdtable *close_files(struct files_struct * files) @@ -481,12 +462,12 @@ struct files_struct init_files = { static unsigned int find_next_fd(struct fdtable *fdt, unsigned int start) { - unsigned int maxfd = fdt->max_fds; + unsigned int maxfd = fdt->max_fds; /* always multiple of BITS_PER_LONG */ unsigned int maxbit = maxfd / BITS_PER_LONG; unsigned int bitbit = start / BITS_PER_LONG; bitbit = find_next_zero_bit(fdt->full_fds_bits, maxbit, bitbit) * BITS_PER_LONG; - if (bitbit > maxfd) + if (bitbit >= maxfd) return maxfd; if (bitbit > start) start = bitbit; @@ -740,37 +721,25 @@ int __close_range(unsigned fd, unsigned max_fd, unsigned int flags) if (fd > max_fd) return -EINVAL; - if (flags & CLOSE_RANGE_UNSHARE) { - int ret; - unsigned int max_unshare_fds = NR_OPEN_MAX; + if ((flags & CLOSE_RANGE_UNSHARE) && atomic_read(&cur_fds->count) > 1) { + struct fd_range range = {fd, max_fd}, *punch_hole = ⦥ /* * If the caller requested all fds to be made cloexec we always * copy all of the file descriptors since they still want to * use them. */ - if (!(flags & CLOSE_RANGE_CLOEXEC)) { - /* - * If the requested range is greater than the current - * maximum, we're closing everything so only copy all - * file descriptors beneath the lowest file descriptor. - */ - rcu_read_lock(); - if (max_fd >= last_fd(files_fdtable(cur_fds))) - max_unshare_fds = fd; - rcu_read_unlock(); - } - - ret = unshare_fd(CLONE_FILES, max_unshare_fds, &fds); - if (ret) - return ret; + if (flags & CLOSE_RANGE_CLOEXEC) + punch_hole = NULL; + fds = dup_fd(cur_fds, punch_hole); + if (IS_ERR(fds)) + return PTR_ERR(fds); /* * We used to share our file descriptor table, and have now * created a private one, make sure we're using it below. */ - if (fds) - swap(cur_fds, fds); + swap(cur_fds, fds); } if (flags & CLOSE_RANGE_CLOEXEC) @@ -1148,6 +1117,7 @@ __releases(&files->file_lock) * tables and this condition does not arise without those. */ fdt = files_fdtable(files); + fd = array_index_nospec(fd, fdt->max_fds); tofree = fdt->fd[fd]; if (!tofree && fd_is_open(fd, fdt)) goto Ebusy; diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c index c7d882a9fe..295344a462 100644 --- a/fs/fuse/cuse.c +++ b/fs/fuse/cuse.c @@ -474,8 +474,7 @@ static int cuse_send_init(struct cuse_conn *cc) static void cuse_fc_release(struct fuse_conn *fc) { - struct cuse_conn *cc = fc_to_cc(fc); - kfree_rcu(cc, fc.rcu); + kfree(fc_to_cc(fc)); } /** diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index d6b5339c56..86416f7b8b 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -1623,9 +1623,11 @@ static int fuse_notify_store(struct fuse_conn *fc, unsigned int size, this_num = min_t(unsigned, num, PAGE_SIZE - offset); err = fuse_copy_page(cs, &page, offset, this_num, 0); - if (!err && offset == 0 && - (this_num == PAGE_SIZE || file_size == end)) + if (!PageUptodate(page) && !err && offset == 0 && + (this_num == PAGE_SIZE || file_size == end)) { + zero_user_segment(page, this_num, PAGE_SIZE); SetPageUptodate(page); + } unlock_page(page); put_page(page); diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 2c4cac6104..8702ef9ff8 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1694,10 +1694,16 @@ __acquires(fi->lock) fuse_writepage_finish(fm, wpa); spin_unlock(&fi->lock); - /* After fuse_writepage_finish() aux request list is private */ + /* After rb_erase() aux request list is private */ for (aux = wpa->next; aux; aux = next) { + struct backing_dev_info *bdi = inode_to_bdi(aux->inode); + next = aux->next; aux->next = NULL; + + dec_wb_stat(&bdi->wb, WB_WRITEBACK); + dec_node_page_state(aux->ia.ap.pages[0], NR_WRITEBACK_TEMP); + wb_writeout_inc(&bdi->wb); fuse_writepage_free(aux); } diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 55b7ca26fb..ac655c7a15 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -848,6 +848,7 @@ struct fuse_mount { /* Entry on fc->mounts */ struct list_head fc_entry; + struct rcu_head rcu; }; static inline struct fuse_mount *get_fuse_mount_super(struct super_block *sb) diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 62b4143ccf..40a4c7680b 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -686,6 +686,8 @@ static int fuse_parse_param(struct fs_context *fsc, struct fs_parameter *param) struct fs_parse_result result; struct fuse_fs_context *ctx = fsc->fs_private; int opt; + kuid_t kuid; + kgid_t kgid; if (fsc->purpose == FS_CONTEXT_FOR_RECONFIGURE) { /* @@ -730,16 +732,30 @@ static int fuse_parse_param(struct fs_context *fsc, struct fs_parameter *param) break; case OPT_USER_ID: - ctx->user_id = make_kuid(fsc->user_ns, result.uint_32); - if (!uid_valid(ctx->user_id)) + kuid = make_kuid(fsc->user_ns, result.uint_32); + if (!uid_valid(kuid)) return invalfc(fsc, "Invalid user_id"); + /* + * The requested uid must be representable in the + * filesystem's idmapping. + */ + if (!kuid_has_mapping(fsc->user_ns, kuid)) + return invalfc(fsc, "Invalid user_id"); + ctx->user_id = kuid; ctx->user_id_present = true; break; case OPT_GROUP_ID: - ctx->group_id = make_kgid(fsc->user_ns, result.uint_32); - if (!gid_valid(ctx->group_id)) + kgid = make_kgid(fsc->user_ns, result.uint_32);; + if (!gid_valid(kgid)) + return invalfc(fsc, "Invalid group_id"); + /* + * The requested gid must be representable in the + * filesystem's idmapping. + */ + if (!kgid_has_mapping(fsc->user_ns, kgid)) return invalfc(fsc, "Invalid group_id"); + ctx->group_id = kgid; ctx->group_id_present = true; break; @@ -867,6 +883,14 @@ void fuse_conn_init(struct fuse_conn *fc, struct fuse_mount *fm, } EXPORT_SYMBOL_GPL(fuse_conn_init); +static void delayed_release(struct rcu_head *p) +{ + struct fuse_conn *fc = container_of(p, struct fuse_conn, rcu); + + put_user_ns(fc->user_ns); + fc->release(fc); +} + void fuse_conn_put(struct fuse_conn *fc) { if (refcount_dec_and_test(&fc->count)) { @@ -878,13 +902,12 @@ void fuse_conn_put(struct fuse_conn *fc) if (fiq->ops->release) fiq->ops->release(fiq); put_pid_ns(fc->pid_ns); - put_user_ns(fc->user_ns); bucket = rcu_dereference_protected(fc->curr_bucket, 1); if (bucket) { WARN_ON(atomic_read(&bucket->count) != 1); kfree(bucket); } - fc->release(fc); + call_rcu(&fc->rcu, delayed_release); } } EXPORT_SYMBOL_GPL(fuse_conn_put); @@ -1281,7 +1304,7 @@ EXPORT_SYMBOL_GPL(fuse_send_init); void fuse_free_conn(struct fuse_conn *fc) { WARN_ON(!list_empty(&fc->devices)); - kfree_rcu(fc, rcu); + kfree(fc); } EXPORT_SYMBOL_GPL(fuse_free_conn); @@ -1820,7 +1843,7 @@ static void fuse_sb_destroy(struct super_block *sb) void fuse_mount_destroy(struct fuse_mount *fm) { fuse_conn_put(fm->fc); - kfree(fm); + kfree_rcu(fm, rcu); } EXPORT_SYMBOL(fuse_mount_destroy); diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c index 94fc874f5d..a4deacc6f7 100644 --- a/fs/fuse/virtio_fs.c +++ b/fs/fuse/virtio_fs.c @@ -310,6 +310,16 @@ static int virtio_fs_read_tag(struct virtio_device *vdev, struct virtio_fs *fs) return -ENOMEM; memcpy(fs->tag, tag_buf, len); fs->tag[len] = '\0'; + + /* While the VIRTIO specification allows any character, newlines are + * awkward on mount(8) command-lines and cause problems in the sysfs + * "tag" attr and uevent TAG= properties. Forbid them. + */ + if (strchr(fs->tag, '\n')) { + dev_dbg(&vdev->dev, "refusing virtiofs tag with newline character\n"); + return -EINVAL; + } + return 0; } diff --git a/fs/fuse/xattr.c b/fs/fuse/xattr.c index 61dfaf7b7d..2f9555fa0c 100644 --- a/fs/fuse/xattr.c +++ b/fs/fuse/xattr.c @@ -82,7 +82,7 @@ ssize_t fuse_getxattr(struct inode *inode, const char *name, void *value, } ret = fuse_simple_request(fm, &args); if (!ret && !size) - ret = min_t(ssize_t, outarg.size, XATTR_SIZE_MAX); + ret = min_t(size_t, outarg.size, XATTR_SIZE_MAX); if (ret == -ENOSYS) { fm->fc->no_getxattr = 1; ret = -EOPNOTSUPP; @@ -144,7 +144,7 @@ ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size) } ret = fuse_simple_request(fm, &args); if (!ret && !size) - ret = min_t(ssize_t, outarg.size, XATTR_LIST_MAX); + ret = min_t(size_t, outarg.size, XATTR_LIST_MAX); if (ret > 0 && size) ret = fuse_verify_xattr_list(list, ret); if (ret == -ENOSYS) { diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 462e957eda..763d8dccdf 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -1910,7 +1910,7 @@ static int setattr_chown(struct inode *inode, struct iattr *attr) kuid_t ouid, nuid; kgid_t ogid, ngid; int error; - struct gfs2_alloc_parms ap; + struct gfs2_alloc_parms ap = {}; ouid = inode->i_uid; ogid = inode->i_gid; diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index 7c9c6d0b38..9730ad3622 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -202,6 +202,7 @@ struct inode *hfs_new_inode(struct inode *dir, const struct qstr *name, umode_t HFS_I(inode)->flags = 0; HFS_I(inode)->rsrc_inode = NULL; HFS_I(inode)->fs_blocks = 0; + HFS_I(inode)->tz_secondswest = sys_tz.tz_minuteswest * 60; if (S_ISDIR(mode)) { inode->i_size = 2; HFS_SB(sb)->folder_count++; @@ -277,6 +278,8 @@ void hfs_inode_read_fork(struct inode *inode, struct hfs_extent *ext, for (count = 0, i = 0; i < 3; i++) count += be16_to_cpu(ext[i].count); HFS_I(inode)->first_blocks = count; + HFS_I(inode)->cached_start = 0; + HFS_I(inode)->cached_blocks = 0; inode->i_size = HFS_I(inode)->phys_size = log_size; HFS_I(inode)->fs_blocks = (log_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits; diff --git a/fs/hfsplus/bfind.c b/fs/hfsplus/bfind.c index ca2ba8c9f8..901e83d65d 100644 --- a/fs/hfsplus/bfind.c +++ b/fs/hfsplus/bfind.c @@ -25,19 +25,8 @@ int hfs_find_init(struct hfs_btree *tree, struct hfs_find_data *fd) fd->key = ptr + tree->max_key_len + 2; hfs_dbg(BNODE_REFS, "find_init: %d (%p)\n", tree->cnid, __builtin_return_address(0)); - switch (tree->cnid) { - case HFSPLUS_CAT_CNID: - mutex_lock_nested(&tree->tree_lock, CATALOG_BTREE_MUTEX); - break; - case HFSPLUS_EXT_CNID: - mutex_lock_nested(&tree->tree_lock, EXTENTS_BTREE_MUTEX); - break; - case HFSPLUS_ATTR_CNID: - mutex_lock_nested(&tree->tree_lock, ATTR_BTREE_MUTEX); - break; - default: - BUG(); - } + mutex_lock_nested(&tree->tree_lock, + hfsplus_btree_lock_class(tree)); return 0; } diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c index 7054a54268..c95a2f0ed4 100644 --- a/fs/hfsplus/extents.c +++ b/fs/hfsplus/extents.c @@ -430,7 +430,8 @@ int hfsplus_free_fork(struct super_block *sb, u32 cnid, hfsplus_free_extents(sb, ext_entry, total_blocks - start, total_blocks); total_blocks = start; - mutex_lock(&fd.tree->tree_lock); + mutex_lock_nested(&fd.tree->tree_lock, + hfsplus_btree_lock_class(fd.tree)); } while (total_blocks > blocks); hfs_find_exit(&fd); @@ -592,7 +593,8 @@ void hfsplus_file_truncate(struct inode *inode) alloc_cnt, alloc_cnt - blk_cnt); hfsplus_dump_extent(hip->first_extents); hip->first_blocks = blk_cnt; - mutex_lock(&fd.tree->tree_lock); + mutex_lock_nested(&fd.tree->tree_lock, + hfsplus_btree_lock_class(fd.tree)); break; } res = __hfsplus_ext_cache_extent(&fd, inode, alloc_cnt); @@ -606,7 +608,8 @@ void hfsplus_file_truncate(struct inode *inode) hfsplus_free_extents(sb, hip->cached_extents, alloc_cnt - start, alloc_cnt - blk_cnt); hfsplus_dump_extent(hip->cached_extents); - mutex_lock(&fd.tree->tree_lock); + mutex_lock_nested(&fd.tree->tree_lock, + hfsplus_btree_lock_class(fd.tree)); if (blk_cnt > start) { hip->extent_state |= HFSPLUS_EXT_DIRTY; break; diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h index ebc0d5c678..decb671db9 100644 --- a/fs/hfsplus/hfsplus_fs.h +++ b/fs/hfsplus/hfsplus_fs.h @@ -550,6 +550,27 @@ static inline __be32 __hfsp_ut2mt(time64_t ut) return cpu_to_be32(lower_32_bits(ut) + HFSPLUS_UTC_OFFSET); } +static inline enum hfsplus_btree_mutex_classes +hfsplus_btree_lock_class(struct hfs_btree *tree) +{ + enum hfsplus_btree_mutex_classes class; + + switch (tree->cnid) { + case HFSPLUS_CAT_CNID: + class = CATALOG_BTREE_MUTEX; + break; + case HFSPLUS_EXT_CNID: + class = EXTENTS_BTREE_MUTEX; + break; + case HFSPLUS_ATTR_CNID: + class = ATTR_BTREE_MUTEX; + break; + default: + BUG(); + } + return class; +} + /* compatibility */ #define hfsp_mt2ut(t) (struct timespec64){ .tv_sec = __hfsp_mt2ut(t) } #define hfsp_ut2mt(t) __hfsp_ut2mt((t).tv_sec) diff --git a/fs/hfsplus/xattr.c b/fs/hfsplus/xattr.c index e2855ceefd..71fb2f8e91 100644 --- a/fs/hfsplus/xattr.c +++ b/fs/hfsplus/xattr.c @@ -699,7 +699,7 @@ ssize_t hfsplus_listxattr(struct dentry *dentry, char *buffer, size_t size) return err; } - strbuf = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + + strbuf = kzalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + XATTR_MAC_OSX_PREFIX_LEN + 1, GFP_KERNEL); if (!strbuf) { res = -ENOMEM; diff --git a/fs/inode.c b/fs/inode.c index ec41a11e2f..c7ef50d0fe 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -456,6 +456,39 @@ static void inode_lru_list_del(struct inode *inode) this_cpu_dec(nr_unused); } +static void inode_pin_lru_isolating(struct inode *inode) +{ + lockdep_assert_held(&inode->i_lock); + WARN_ON(inode->i_state & (I_LRU_ISOLATING | I_FREEING | I_WILL_FREE)); + inode->i_state |= I_LRU_ISOLATING; +} + +static void inode_unpin_lru_isolating(struct inode *inode) +{ + spin_lock(&inode->i_lock); + WARN_ON(!(inode->i_state & I_LRU_ISOLATING)); + inode->i_state &= ~I_LRU_ISOLATING; + smp_mb(); + wake_up_bit(&inode->i_state, __I_LRU_ISOLATING); + spin_unlock(&inode->i_lock); +} + +static void inode_wait_for_lru_isolating(struct inode *inode) +{ + spin_lock(&inode->i_lock); + if (inode->i_state & I_LRU_ISOLATING) { + DEFINE_WAIT_BIT(wq, &inode->i_state, __I_LRU_ISOLATING); + wait_queue_head_t *wqh; + + wqh = bit_waitqueue(&inode->i_state, __I_LRU_ISOLATING); + spin_unlock(&inode->i_lock); + __wait_on_bit(wqh, &wq, bit_wait, TASK_UNINTERRUPTIBLE); + spin_lock(&inode->i_lock); + WARN_ON(inode->i_state & I_LRU_ISOLATING); + } + spin_unlock(&inode->i_lock); +} + /** * inode_sb_list_add - add inode to the superblock list of inodes * @inode: inode to add @@ -575,6 +608,8 @@ static void evict(struct inode *inode) inode_sb_list_del(inode); + inode_wait_for_lru_isolating(inode); + /* * Wait for flusher thread to be done with the inode so that filesystem * does not start destroying it while writeback is still running. Since @@ -643,6 +678,10 @@ void evict_inodes(struct super_block *sb) continue; spin_lock(&inode->i_lock); + if (atomic_read(&inode->i_count)) { + spin_unlock(&inode->i_lock); + continue; + } if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE)) { spin_unlock(&inode->i_lock); continue; @@ -772,7 +811,7 @@ static enum lru_status inode_lru_isolate(struct list_head *item, } if (inode_has_buffers(inode) || !mapping_empty(&inode->i_data)) { - __iget(inode); + inode_pin_lru_isolating(inode); spin_unlock(&inode->i_lock); spin_unlock(lru_lock); if (remove_inode_buffers(inode)) { @@ -785,7 +824,7 @@ static enum lru_status inode_lru_isolate(struct list_head *item, if (current->reclaim_state) current->reclaim_state->reclaimed_slab += reap; } - iput(inode); + inode_unpin_lru_isolating(inode); spin_lock(lru_lock); return LRU_RETRY; } diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c index f033ac8070..affcde5405 100644 --- a/fs/jbd2/checkpoint.c +++ b/fs/jbd2/checkpoint.c @@ -91,17 +91,23 @@ __releases(&journal->j_state_lock) if (space_left < nblocks) { int chkpt = journal->j_checkpoint_transactions != NULL; tid_t tid = 0; + bool has_transaction = false; - if (journal->j_committing_transaction) + if (journal->j_committing_transaction) { tid = journal->j_committing_transaction->t_tid; + has_transaction = true; + } spin_unlock(&journal->j_list_lock); write_unlock(&journal->j_state_lock); if (chkpt) { jbd2_log_do_checkpoint(journal); - } else if (jbd2_cleanup_journal_tail(journal) == 0) { - /* We were able to recover space; yay! */ + } else if (jbd2_cleanup_journal_tail(journal) <= 0) { + /* + * We were able to recover space or the + * journal was aborted due to an error. + */ ; - } else if (tid) { + } else if (has_transaction) { /* * jbd2_journal_commit_transaction() may want * to take the checkpoint_mutex if JBD2_FLUSHED @@ -421,6 +427,7 @@ unsigned long jbd2_journal_shrink_checkpoint_list(journal_t *journal, tid_t tid = 0; unsigned long nr_freed = 0; unsigned long freed; + bool first_set = false; again: spin_lock(&journal->j_list_lock); @@ -440,8 +447,10 @@ unsigned long jbd2_journal_shrink_checkpoint_list(journal_t *journal, else transaction = journal->j_checkpoint_transactions; - if (!first_tid) + if (!first_set) { first_tid = transaction->t_tid; + first_set = true; + } last_transaction = journal->j_checkpoint_transactions->t_cpprev; next_transaction = transaction; last_tid = last_transaction->t_tid; @@ -471,7 +480,7 @@ unsigned long jbd2_journal_shrink_checkpoint_list(journal_t *journal, spin_unlock(&journal->j_list_lock); cond_resched(); - if (*nr_to_scan && next_tid) + if (*nr_to_scan && journal->j_shrink_transaction) goto again; out: trace_jbd2_shrink_checkpoint_list(journal, first_tid, tid, last_tid, diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index f858d11523..540a3ccb32 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -800,7 +800,7 @@ void jbd2_journal_commit_transaction(journal_t *journal) if (first_block < journal->j_tail) freed += journal->j_last - journal->j_first; /* Update tail only if we free significant amount of space */ - if (freed < jbd2_journal_get_max_txn_bufs(journal)) + if (freed < journal->j_max_transaction_buffers) update_tail = 0; } J_ASSERT(commit_transaction->t_state == T_COMMIT); diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index b7af1727a0..464ae5e730 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -412,6 +412,7 @@ int jbd2_journal_write_metadata_buffer(transaction_t *transaction, tmp = jbd2_alloc(bh_in->b_size, GFP_NOFS); if (!tmp) { brelse(new_bh); + free_buffer_head(new_bh); return -ENOMEM; } spin_lock(&jh_in->b_state_lock); @@ -739,7 +740,7 @@ int jbd2_fc_begin_commit(journal_t *journal, tid_t tid) return -EINVAL; write_lock(&journal->j_state_lock); - if (tid <= journal->j_commit_sequence) { + if (tid_geq(journal->j_commit_sequence, tid)) { write_unlock(&journal->j_state_lock); return -EALREADY; } @@ -769,9 +770,9 @@ EXPORT_SYMBOL(jbd2_fc_begin_commit); */ static int __jbd2_fc_end_commit(journal_t *journal, tid_t tid, bool fallback) { - jbd2_journal_unlock_updates(journal); if (journal->j_fc_cleanup_callback) journal->j_fc_cleanup_callback(journal, 0, tid); + jbd2_journal_unlock_updates(journal); write_lock(&journal->j_state_lock); journal->j_flags &= ~JBD2_FAST_COMMIT_ONGOING; if (fallback) @@ -1529,6 +1530,11 @@ static void journal_fail_superblock(journal_t *journal) journal->j_sb_buffer = NULL; } +static int jbd2_journal_get_max_txn_bufs(journal_t *journal) +{ + return (journal->j_total_len - journal->j_fc_wbufsize) / 4; +} + /* * Given a journal_t structure, initialise the various fields for * startup of a new journaling session. We use this both when creating diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c index 81ca58c10b..40cc5e6290 100644 --- a/fs/jffs2/super.c +++ b/fs/jffs2/super.c @@ -58,6 +58,7 @@ static void jffs2_i_init_once(void *foo) struct jffs2_inode_info *f = foo; mutex_init(&f->sem); + f->target = NULL; inode_init_once(&f->vfs_inode); } diff --git a/fs/jfs/jfs_discard.c b/fs/jfs/jfs_discard.c index 575cb2ba74..5f4b305030 100644 --- a/fs/jfs/jfs_discard.c +++ b/fs/jfs/jfs_discard.c @@ -65,7 +65,7 @@ void jfs_issue_discard(struct inode *ip, u64 blkno, u64 nblocks) int jfs_ioc_trim(struct inode *ip, struct fstrim_range *range) { struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap; - struct bmap *bmp = JFS_SBI(ip->i_sb)->bmap; + struct bmap *bmp; struct super_block *sb = ipbmap->i_sb; int agno, agno_end; u64 start, end, minlen; @@ -83,10 +83,15 @@ int jfs_ioc_trim(struct inode *ip, struct fstrim_range *range) if (minlen == 0) minlen = 1; + down_read(&sb->s_umount); + bmp = JFS_SBI(ip->i_sb)->bmap; + if (minlen > bmp->db_agsize || start >= bmp->db_mapsize || - range->len < sb->s_blocksize) + range->len < sb->s_blocksize) { + up_read(&sb->s_umount); return -EINVAL; + } if (end >= bmp->db_mapsize) end = bmp->db_mapsize - 1; @@ -100,6 +105,8 @@ int jfs_ioc_trim(struct inode *ip, struct fstrim_range *range) trimmed += dbDiscardAG(ip, agno, minlen); agno++; } + + up_read(&sb->s_umount); range->len = trimmed << sb->s_blocksize_bits; return 0; diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 3f5c143157..3fa78e5f9b 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -187,7 +187,7 @@ int dbMount(struct inode *ipbmap) } bmp->db_numag = le32_to_cpu(dbmp_le->dn_numag); - if (!bmp->db_numag) { + if (!bmp->db_numag || bmp->db_numag > MAXAG) { err = -EINVAL; goto err_release_metapage; } @@ -652,7 +652,7 @@ int dbNextAG(struct inode *ipbmap) * average free space. */ for (i = 0 ; i < bmp->db_numag; i++, agpref++) { - if (agpref == bmp->db_numag) + if (agpref >= bmp->db_numag) agpref = 0; if (atomic_read(&bmp->db_active[agpref])) @@ -3010,9 +3010,10 @@ static void dbAdjTree(dmtree_t *tp, int leafno, int newval, bool is_ctl) static int dbFindLeaf(dmtree_t *tp, int l2nb, int *leafidx, bool is_ctl) { int ti, n = 0, k, x = 0; - int max_size; + int max_size, max_idx; max_size = is_ctl ? CTLTREESIZE : TREESIZE; + max_idx = is_ctl ? LPERCTL : LPERDMAP; /* first check the root of the tree to see if there is * sufficient free space. @@ -3044,6 +3045,8 @@ static int dbFindLeaf(dmtree_t *tp, int l2nb, int *leafidx, bool is_ctl) */ assert(n < 4); } + if (le32_to_cpu(tp->dmt_leafidx) >= max_idx) + return -ENOSPC; /* set the return to the leftmost leaf describing sufficient * free space. @@ -3088,7 +3091,7 @@ static int dbFindBits(u32 word, int l2nb) /* scan the word for nb free bits at nb alignments. */ - for (bitno = 0; mask != 0; bitno += nb, mask >>= nb) { + for (bitno = 0; mask != 0; bitno += nb, mask = (mask >> nb)) { if ((mask & word) == mask) break; } diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index ac42f8ee55..c72e97f065 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -290,7 +290,7 @@ int diSync(struct inode *ipimap) int diRead(struct inode *ip) { struct jfs_sb_info *sbi = JFS_SBI(ip->i_sb); - int iagno, ino, extno, rc; + int iagno, ino, extno, rc, agno; struct inode *ipimap; struct dinode *dp; struct iag *iagp; @@ -339,8 +339,11 @@ int diRead(struct inode *ip) /* get the ag for the iag */ agstart = le64_to_cpu(iagp->agstart); + agno = BLKTOAG(agstart, JFS_SBI(ip->i_sb)); release_metapage(mp); + if (agno >= MAXAG || agno < 0) + return -EIO; rel_inode = (ino & (INOSPERPAGE - 1)); pageno = blkno >> sbi->l2nbperpage; @@ -1357,7 +1360,7 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip) /* get the ag number of this iag */ agno = BLKTOAG(JFS_IP(pip)->agstart, JFS_SBI(pip->i_sb)); dn_numag = JFS_SBI(pip->i_sb)->bmap->db_numag; - if (agno < 0 || agno > dn_numag) + if (agno < 0 || agno > dn_numag || agno >= MAXAG) return -EIO; if (atomic_read(&JFS_SBI(pip->i_sb)->bmap->db_active[agno])) { diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c index f9273f6901..76b89718fd 100644 --- a/fs/jfs/xattr.c +++ b/fs/jfs/xattr.c @@ -434,6 +434,8 @@ static int ea_get(struct inode *inode, struct ea_buffer *ea_buf, int min_size) int rc; int quota_allocation = 0; + memset(&ea_buf->new_ea, 0, sizeof(ea_buf->new_ea)); + /* When fsck.jfs clears a bad ea, it doesn't clear the size */ if (ji->ea.flag == 0) ea_size = 0; @@ -557,9 +559,11 @@ static int ea_get(struct inode *inode, struct ea_buffer *ea_buf, int min_size) size_check: if (EALIST_SIZE(ea_buf->xattr) != ea_size) { + int size = min_t(int, EALIST_SIZE(ea_buf->xattr), ea_size); + printk(KERN_ERR "ea_get: invalid extended attribute\n"); print_hex_dump(KERN_ERR, "", DUMP_PREFIX_ADDRESS, 16, 1, - ea_buf->xattr, ea_size, 1); + ea_buf->xattr, size, 1); ea_release(inode, ea_buf); rc = -EIO; goto clean_up; @@ -795,7 +799,7 @@ ssize_t __jfs_getxattr(struct inode *inode, const char *name, void *data, size_t buf_size) { struct jfs_ea_list *ealist; - struct jfs_ea *ea; + struct jfs_ea *ea, *ealist_end; struct ea_buffer ea_buf; int xattr_size; ssize_t size; @@ -815,9 +819,16 @@ ssize_t __jfs_getxattr(struct inode *inode, const char *name, void *data, goto not_found; ealist = (struct jfs_ea_list *) ea_buf.xattr; + ealist_end = END_EALIST(ealist); /* Find the named attribute */ - for (ea = FIRST_EA(ealist); ea < END_EALIST(ealist); ea = NEXT_EA(ea)) + for (ea = FIRST_EA(ealist); ea < ealist_end; ea = NEXT_EA(ea)) { + if (unlikely(ea + 1 > ealist_end) || + unlikely(NEXT_EA(ea) > ealist_end)) { + size = -EUCLEAN; + goto release; + } + if ((namelen == ea->namelen) && memcmp(name, ea->name, namelen) == 0) { /* Found it */ @@ -832,6 +843,7 @@ ssize_t __jfs_getxattr(struct inode *inode, const char *name, void *data, memcpy(data, value, size); goto release; } + } not_found: size = -ENODATA; release: @@ -859,7 +871,7 @@ ssize_t jfs_listxattr(struct dentry * dentry, char *data, size_t buf_size) ssize_t size = 0; int xattr_size; struct jfs_ea_list *ealist; - struct jfs_ea *ea; + struct jfs_ea *ea, *ealist_end; struct ea_buffer ea_buf; down_read(&JFS_IP(inode)->xattr_sem); @@ -874,9 +886,16 @@ ssize_t jfs_listxattr(struct dentry * dentry, char *data, size_t buf_size) goto release; ealist = (struct jfs_ea_list *) ea_buf.xattr; + ealist_end = END_EALIST(ealist); /* compute required size of list */ - for (ea = FIRST_EA(ealist); ea < END_EALIST(ealist); ea = NEXT_EA(ea)) { + for (ea = FIRST_EA(ealist); ea < ealist_end; ea = NEXT_EA(ea)) { + if (unlikely(ea + 1 > ealist_end) || + unlikely(NEXT_EA(ea) > ealist_end)) { + size = -EUCLEAN; + goto release; + } + if (can_list(ea)) size += name_size(ea) + 1; } diff --git a/fs/ksmbd/mgmt/share_config.c b/fs/ksmbd/mgmt/share_config.c index a2f0a2edce..e0a6b75809 100644 --- a/fs/ksmbd/mgmt/share_config.c +++ b/fs/ksmbd/mgmt/share_config.c @@ -165,8 +165,12 @@ static struct ksmbd_share_config *share_config_request(struct unicode_map *um, share->path = kstrndup(ksmbd_share_config_path(resp), path_len, GFP_KERNEL); - if (share->path) + if (share->path) { share->path_sz = strlen(share->path); + while (share->path_sz > 1 && + share->path[share->path_sz - 1] == '/') + share->path[--share->path_sz] = '\0'; + } share->create_mask = resp->create_mask; share->directory_mask = resp->directory_mask; share->force_create_mode = resp->force_create_mode; diff --git a/fs/ksmbd/mgmt/user_session.c b/fs/ksmbd/mgmt/user_session.c index 15f68ee050..844db95e66 100644 --- a/fs/ksmbd/mgmt/user_session.c +++ b/fs/ksmbd/mgmt/user_session.c @@ -176,9 +176,10 @@ static void ksmbd_expire_session(struct ksmbd_conn *conn) down_write(&conn->session_lock); xa_for_each(&conn->sessions, id, sess) { - if (sess->state != SMB2_SESSION_VALID || - time_after(jiffies, - sess->last_active + SMB2_SESSION_TIMEOUT)) { + if (atomic_read(&sess->refcnt) == 0 && + (sess->state != SMB2_SESSION_VALID || + time_after(jiffies, + sess->last_active + SMB2_SESSION_TIMEOUT))) { xa_erase(&conn->sessions, sess->id); hash_del(&sess->hlist); ksmbd_session_destroy(sess); @@ -268,8 +269,6 @@ struct ksmbd_session *ksmbd_session_lookup_slowpath(unsigned long long id) down_read(&sessions_table_lock); sess = __session_lookup(id); - if (sess) - sess->last_active = jiffies; up_read(&sessions_table_lock); return sess; @@ -288,6 +287,22 @@ struct ksmbd_session *ksmbd_session_lookup_all(struct ksmbd_conn *conn, return sess; } +void ksmbd_user_session_get(struct ksmbd_session *sess) +{ + atomic_inc(&sess->refcnt); +} + +void ksmbd_user_session_put(struct ksmbd_session *sess) +{ + if (!sess) + return; + + if (atomic_read(&sess->refcnt) <= 0) + WARN_ON(1); + else + atomic_dec(&sess->refcnt); +} + struct preauth_session *ksmbd_preauth_session_alloc(struct ksmbd_conn *conn, u64 sess_id) { @@ -356,6 +371,7 @@ static struct ksmbd_session *__session_create(int protocol) xa_init(&sess->rpc_handle_list); sess->sequence_number = 1; rwlock_init(&sess->tree_conns_lock); + atomic_set(&sess->refcnt, 1); ret = __init_smb2_session(sess); if (ret) diff --git a/fs/ksmbd/mgmt/user_session.h b/fs/ksmbd/mgmt/user_session.h index 63cb08fffd..ce91b1d698 100644 --- a/fs/ksmbd/mgmt/user_session.h +++ b/fs/ksmbd/mgmt/user_session.h @@ -61,6 +61,8 @@ struct ksmbd_session { struct ksmbd_file_table file_table; unsigned long last_active; rwlock_t tree_conns_lock; + + atomic_t refcnt; }; static inline int test_session_flag(struct ksmbd_session *sess, int bit) @@ -101,4 +103,6 @@ void ksmbd_release_tree_conn_id(struct ksmbd_session *sess, int id); int ksmbd_session_rpc_open(struct ksmbd_session *sess, char *rpc_name); void ksmbd_session_rpc_close(struct ksmbd_session *sess, int id); int ksmbd_session_rpc_method(struct ksmbd_session *sess, int id); +void ksmbd_user_session_get(struct ksmbd_session *sess); +void ksmbd_user_session_put(struct ksmbd_session *sess); #endif /* __USER_SESSION_MANAGEMENT_H__ */ diff --git a/fs/ksmbd/server.c b/fs/ksmbd/server.c index 63b01f7d97..09ebcf39d5 100644 --- a/fs/ksmbd/server.c +++ b/fs/ksmbd/server.c @@ -238,6 +238,8 @@ static void __handle_ksmbd_work(struct ksmbd_work *work, } while (is_chained == true); send: + if (work->sess) + ksmbd_user_session_put(work->sess); if (work->tcon) ksmbd_tree_connect_put(work->tcon); smb3_preauth_hash_rsp(work); diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index 57f59172d8..54f7cf7a98 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -606,8 +606,10 @@ int smb2_check_user_session(struct ksmbd_work *work) /* Check for validity of user session */ work->sess = ksmbd_session_lookup_all(conn, sess_id); - if (work->sess) + if (work->sess) { + ksmbd_user_session_get(work->sess); return 1; + } ksmbd_debug(SMB, "Invalid user session, Uid %llu\n", sess_id); return -ENOENT; } @@ -1705,6 +1707,8 @@ int smb2_sess_setup(struct ksmbd_work *work) rc = ksmbd_session_register(conn, sess); if (rc) goto out_err; + + conn->binding = false; } else if (conn->dialect >= SMB30_PROT_ID && (server_conf.flags & KSMBD_GLOBAL_FLAG_SMB3_MULTICHANNEL) && req->Flags & SMB2_SESSION_REQ_FLAG_BINDING) { @@ -1759,6 +1763,7 @@ int smb2_sess_setup(struct ksmbd_work *work) } conn->binding = true; + ksmbd_user_session_get(sess); } else if ((conn->dialect < SMB30_PROT_ID || server_conf.flags & KSMBD_GLOBAL_FLAG_SMB3_MULTICHANNEL) && (req->Flags & SMB2_SESSION_REQ_FLAG_BINDING)) { @@ -1783,6 +1788,9 @@ int smb2_sess_setup(struct ksmbd_work *work) sess = NULL; goto out_err; } + + conn->binding = false; + ksmbd_user_session_get(sess); } work->sess = sess; @@ -2231,7 +2239,9 @@ int smb2_session_logoff(struct ksmbd_work *work) } ksmbd_destroy_file_table(&sess->file_table); + down_write(&conn->session_lock); sess->state = SMB2_SESSION_EXPIRED; + up_write(&conn->session_lock); ksmbd_free_user(sess->user); sess->user = NULL; diff --git a/fs/ksmbd/transport_tcp.c b/fs/ksmbd/transport_tcp.c index 9d4222154d..1762951370 100644 --- a/fs/ksmbd/transport_tcp.c +++ b/fs/ksmbd/transport_tcp.c @@ -618,8 +618,10 @@ int ksmbd_tcp_set_interfaces(char *ifc_list, int ifc_list_sz) for_each_netdev(&init_net, netdev) { if (netif_is_bridge_port(netdev)) continue; - if (!alloc_iface(kstrdup(netdev->name, GFP_KERNEL))) + if (!alloc_iface(kstrdup(netdev->name, GFP_KERNEL))) { + rtnl_unlock(); return -ENOMEM; + } } rtnl_unlock(); bind_additional_ifaces = 1; diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index 5579e67da1..c33f78513f 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -759,8 +759,6 @@ static const struct svc_version *nlmsvc_version[] = { #endif }; -static struct svc_stat nlmsvc_stats; - #define NLM_NRVERS ARRAY_SIZE(nlmsvc_version) static struct svc_program nlmsvc_program = { .pg_prog = NLM_PROGRAM, /* program number */ @@ -768,7 +766,6 @@ static struct svc_program nlmsvc_program = { .pg_vers = nlmsvc_version, /* version table */ .pg_name = "lockd", /* service name */ .pg_class = "nfsd", /* share authentication with nfsd */ - .pg_stats = &nlmsvc_stats, /* stats table */ .pg_authenticate = &lockd_authenticate, /* export authentication */ .pg_init_request = svc_generic_init_request, .pg_rpcbind_set = svc_generic_rpcbind_set, diff --git a/fs/locks.c b/fs/locks.c index 77781b71bc..250559af80 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -1392,9 +1392,9 @@ static int posix_lock_inode(struct inode *inode, struct file_lock *request, locks_wake_up_blocks(left); } out: + trace_posix_lock_inode(inode, request, error); spin_unlock(&ctx->flc_lock); percpu_up_read(&file_rwsem); - trace_posix_lock_inode(inode, request, error); /* * Free any unused locks. */ @@ -2483,8 +2483,9 @@ int fcntl_setlk(unsigned int fd, struct file *filp, unsigned int cmd, error = do_lock_file_wait(filp, cmd, file_lock); /* - * Attempt to detect a close/fcntl race and recover by releasing the - * lock that was just acquired. There is no need to do that when we're + * Detect close/fcntl races and recover by zapping all POSIX locks + * associated with this file and our files_struct, just like on + * filp_flush(). There is no need to do that when we're * unlocking though, or for OFD locks. */ if (!error && file_lock->fl_type != F_UNLCK && @@ -2499,9 +2500,7 @@ int fcntl_setlk(unsigned int fd, struct file *filp, unsigned int cmd, f = files_lookup_fd_locked(files, fd); spin_unlock(&files->file_lock); if (f != filp) { - file_lock->fl_type = F_UNLCK; - error = do_lock_file_wait(filp, cmd, file_lock); - WARN_ON_ONCE(error); + locks_remove_posix(filp, files); error = -EBADF; } } @@ -2606,8 +2605,9 @@ int fcntl_setlk64(unsigned int fd, struct file *filp, unsigned int cmd, error = do_lock_file_wait(filp, cmd, file_lock); /* - * Attempt to detect a close/fcntl race and recover by releasing the - * lock that was just acquired. There is no need to do that when we're + * Detect close/fcntl races and recover by zapping all POSIX locks + * associated with this file and our files_struct, just like on + * filp_flush(). There is no need to do that when we're * unlocking though, or for OFD locks. */ if (!error && file_lock->fl_type != F_UNLCK && @@ -2622,9 +2622,7 @@ int fcntl_setlk64(unsigned int fd, struct file *filp, unsigned int cmd, f = files_lookup_fd_locked(files, fd); spin_unlock(&files->file_lock); if (f != filp) { - file_lock->fl_type = F_UNLCK; - error = do_lock_file_wait(filp, cmd, file_lock); - WARN_ON_ONCE(error); + locks_remove_posix(filp, files); error = -EBADF; } } diff --git a/fs/namespace.c b/fs/namespace.c index 932986448a..22af4b6c73 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2567,20 +2567,27 @@ static void mnt_warn_timestamp_expiry(struct path *mountpoint, struct vfsmount * struct super_block *sb = mnt->mnt_sb; if (!__mnt_is_readonly(mnt) && + (!(sb->s_iflags & SB_I_TS_EXPIRY_WARNED)) && (ktime_get_real_seconds() + TIME_UPTIME_SEC_MAX > sb->s_time_max)) { - char *buf = (char *)__get_free_page(GFP_KERNEL); - char *mntpath = buf ? d_path(mountpoint, buf, PAGE_SIZE) : ERR_PTR(-ENOMEM); - struct tm tm; + char *buf, *mntpath; - time64_to_tm(sb->s_time_max, 0, &tm); + buf = (char *)__get_free_page(GFP_KERNEL); + if (buf) + mntpath = d_path(mountpoint, buf, PAGE_SIZE); + else + mntpath = ERR_PTR(-ENOMEM); + if (IS_ERR(mntpath)) + mntpath = "(unknown)"; - pr_warn("%s filesystem being %s at %s supports timestamps until %04ld (0x%llx)\n", + pr_warn("%s filesystem being %s at %s supports timestamps until %ptTd (0x%llx)\n", sb->s_type->name, is_mounted(mnt) ? "remounted" : "mounted", - mntpath, - tm.tm_year+1900, (unsigned long long)sb->s_time_max); + mntpath, &sb->s_time_max, + (unsigned long long)sb->s_time_max); - free_page((unsigned long)buf); + sb->s_iflags |= SB_I_TS_EXPIRY_WARNED; + if (buf) + free_page((unsigned long)buf); } } diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c index 8fe143cad4..f00fff3633 100644 --- a/fs/nfs/callback.c +++ b/fs/nfs/callback.c @@ -407,15 +407,12 @@ static const struct svc_version *nfs4_callback_version[] = { [4] = &nfs4_callback_version4, }; -static struct svc_stat nfs4_callback_stats; - static struct svc_program nfs4_callback_program = { .pg_prog = NFS4_CALLBACK, /* RPC service number */ .pg_nvers = ARRAY_SIZE(nfs4_callback_version), /* Number of entries */ .pg_vers = nfs4_callback_version, /* version table */ .pg_name = "NFSv4 callback", /* service name */ .pg_class = "nfs", /* authentication class */ - .pg_stats = &nfs4_callback_stats, .pg_authenticate = nfs_callback_authenticate, .pg_init_request = svc_generic_init_request, .pg_rpcbind_set = svc_generic_rpcbind_set, diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index d0cccddb7d..fa519ce5c8 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -372,6 +372,8 @@ static __be32 decode_rc_list(struct xdr_stream *xdr, rc_list->rcl_nrefcalls = ntohl(*p++); if (rc_list->rcl_nrefcalls) { + if (unlikely(rc_list->rcl_nrefcalls > xdr->buf->len)) + goto out; p = xdr_inline_decode(xdr, rc_list->rcl_nrefcalls * 2 * sizeof(uint32_t)); if (unlikely(p == NULL)) diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 9e3a3570ef..10eef13681 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -944,6 +944,7 @@ struct nfs_server *nfs_alloc_server(void) INIT_LIST_HEAD(&server->layouts); INIT_LIST_HEAD(&server->state_owners_lru); INIT_LIST_HEAD(&server->ss_copies); + INIT_LIST_HEAD(&server->ss_src_copies); atomic_set(&server->active, 0); diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index 6a3ba306c3..ac79ef0d43 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -627,6 +627,9 @@ static int nfs_server_return_marked_delegations(struct nfs_server *server, prev = delegation; continue; } + inode = nfs_delegation_grab_inode(delegation); + if (inode == NULL) + continue; if (prev) { struct inode *tmp = nfs_delegation_grab_inode(prev); @@ -637,12 +640,6 @@ static int nfs_server_return_marked_delegations(struct nfs_server *server, } } - inode = nfs_delegation_grab_inode(delegation); - if (inode == NULL) { - rcu_read_unlock(); - iput(to_put); - goto restart; - } delegation = nfs_start_delegation_return_locked(NFS_I(inode)); rcu_read_unlock(); @@ -984,6 +981,11 @@ void nfs_delegation_mark_returned(struct inode *inode, } nfs_mark_delegation_revoked(delegation); + clear_bit(NFS_DELEGATION_RETURNING, &delegation->flags); + spin_unlock(&delegation->lock); + if (nfs_detach_delegation(NFS_I(inode), delegation, NFS_SERVER(inode))) + nfs_put_delegation(delegation); + goto out_rcu_unlock; out_clear_returning: clear_bit(NFS_DELEGATION_RETURNING, &delegation->flags); @@ -1164,7 +1166,6 @@ static int nfs_server_reap_unclaimed_delegations(struct nfs_server *server, struct inode *inode; restart: rcu_read_lock(); -restart_locked: list_for_each_entry_rcu(delegation, &server->delegations, super_list) { if (test_bit(NFS_DELEGATION_INODE_FREEING, &delegation->flags) || @@ -1175,7 +1176,7 @@ static int nfs_server_reap_unclaimed_delegations(struct nfs_server *server, continue; inode = nfs_delegation_grab_inode(delegation); if (inode == NULL) - goto restart_locked; + continue; delegation = nfs_start_delegation_return_locked(NFS_I(inode)); rcu_read_unlock(); if (delegation != NULL) { @@ -1296,7 +1297,6 @@ static int nfs_server_reap_expired_delegations(struct nfs_server *server, nfs4_stateid stateid; restart: rcu_read_lock(); -restart_locked: list_for_each_entry_rcu(delegation, &server->delegations, super_list) { if (test_bit(NFS_DELEGATION_INODE_FREEING, &delegation->flags) || @@ -1307,7 +1307,7 @@ static int nfs_server_reap_expired_delegations(struct nfs_server *server, continue; inode = nfs_delegation_grab_inode(delegation); if (inode == NULL) - goto restart_locked; + continue; spin_lock(&delegation->lock); cred = get_cred_rcu(delegation->cred); nfs4_stateid_copy(&stateid, &delegation->stateid); diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 48ade92d4c..09922258f5 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -212,13 +212,18 @@ void nfs_set_cache_invalid(struct inode *inode, unsigned long flags) nfs_fscache_invalidate(inode); flags &= ~(NFS_INO_REVAL_PAGECACHE | NFS_INO_REVAL_FORCED); - nfsi->cache_validity |= flags; - + flags |= nfsi->cache_validity; if (inode->i_mapping->nrpages == 0) - nfsi->cache_validity &= ~(NFS_INO_INVALID_DATA | - NFS_INO_DATA_INVAL_DEFER); - else if (nfsi->cache_validity & NFS_INO_INVALID_DATA) - nfsi->cache_validity &= ~NFS_INO_DATA_INVAL_DEFER; + flags &= ~NFS_INO_INVALID_DATA; + + /* pairs with nfs_clear_invalid_mapping()'s smp_load_acquire() */ + smp_store_release(&nfsi->cache_validity, flags); + + if (inode->i_mapping->nrpages == 0 || + nfsi->cache_validity & NFS_INO_INVALID_DATA) { + nfs_ooo_clear(nfsi); + } + trace_nfs_set_cache_invalid(inode, 0); } EXPORT_SYMBOL_GPL(nfs_set_cache_invalid); @@ -691,9 +696,10 @@ static int nfs_vmtruncate(struct inode * inode, loff_t offset) i_size_write(inode, offset); /* Optimisation */ - if (offset == 0) - NFS_I(inode)->cache_validity &= ~(NFS_INO_INVALID_DATA | - NFS_INO_DATA_INVAL_DEFER); + if (offset == 0) { + NFS_I(inode)->cache_validity &= ~NFS_INO_INVALID_DATA; + nfs_ooo_clear(NFS_I(inode)); + } NFS_I(inode)->cache_validity &= ~NFS_INO_INVALID_SIZE; spin_unlock(&inode->i_lock); @@ -1108,7 +1114,7 @@ void nfs_inode_attach_open_context(struct nfs_open_context *ctx) spin_lock(&inode->i_lock); if (list_empty(&nfsi->open_files) && - (nfsi->cache_validity & NFS_INO_DATA_INVAL_DEFER)) + nfs_ooo_test(nfsi)) nfs_set_cache_invalid(inode, NFS_INO_INVALID_DATA | NFS_INO_REVAL_FORCED); list_add_tail_rcu(&ctx->list, &nfsi->open_files); @@ -1347,6 +1353,13 @@ int nfs_clear_invalid_mapping(struct address_space *mapping) nfs_wait_bit_killable, TASK_KILLABLE); if (ret) goto out; + smp_rmb(); /* pairs with smp_wmb() below */ + if (test_bit(NFS_INO_INVALIDATING, bitlock)) + continue; + /* pairs with nfs_set_cache_invalid()'s smp_store_release() */ + if (!(smp_load_acquire(&nfsi->cache_validity) & NFS_INO_INVALID_DATA)) + goto out; + /* Slow-path that double-checks with spinlock held */ spin_lock(&inode->i_lock); if (test_bit(NFS_INO_INVALIDATING, bitlock)) { spin_unlock(&inode->i_lock); @@ -1360,8 +1373,8 @@ int nfs_clear_invalid_mapping(struct address_space *mapping) set_bit(NFS_INO_INVALIDATING, bitlock); smp_wmb(); - nfsi->cache_validity &= - ~(NFS_INO_INVALID_DATA | NFS_INO_DATA_INVAL_DEFER); + nfsi->cache_validity &= ~NFS_INO_INVALID_DATA; + nfs_ooo_clear(nfsi); spin_unlock(&inode->i_lock); trace_nfs_invalidate_mapping_enter(inode); ret = nfs_invalidate_mapping(inode, mapping); @@ -1573,6 +1586,7 @@ void nfs_fattr_init(struct nfs_fattr *fattr) fattr->gencount = nfs_inc_attr_generation_counter(); fattr->owner_name = NULL; fattr->group_name = NULL; + fattr->mdsthreshold = NULL; } EXPORT_SYMBOL_GPL(nfs_fattr_init); @@ -1824,6 +1838,66 @@ static int nfs_inode_finish_partial_attr_update(const struct nfs_fattr *fattr, return 0; } +static void nfs_ooo_merge(struct nfs_inode *nfsi, + u64 start, u64 end) +{ + int i, cnt; + + if (nfsi->cache_validity & NFS_INO_DATA_INVAL_DEFER) + /* No point merging anything */ + return; + + if (!nfsi->ooo) { + nfsi->ooo = kmalloc(sizeof(*nfsi->ooo), GFP_ATOMIC); + if (!nfsi->ooo) { + nfsi->cache_validity |= NFS_INO_DATA_INVAL_DEFER; + return; + } + nfsi->ooo->cnt = 0; + } + + /* add this range, merging if possible */ + cnt = nfsi->ooo->cnt; + for (i = 0; i < cnt; i++) { + if (end == nfsi->ooo->gap[i].start) + end = nfsi->ooo->gap[i].end; + else if (start == nfsi->ooo->gap[i].end) + start = nfsi->ooo->gap[i].start; + else + continue; + /* Remove 'i' from table and loop to insert the new range */ + cnt -= 1; + nfsi->ooo->gap[i] = nfsi->ooo->gap[cnt]; + i = -1; + } + if (start != end) { + if (cnt >= ARRAY_SIZE(nfsi->ooo->gap)) { + nfsi->cache_validity |= NFS_INO_DATA_INVAL_DEFER; + kfree(nfsi->ooo); + nfsi->ooo = NULL; + return; + } + nfsi->ooo->gap[cnt].start = start; + nfsi->ooo->gap[cnt].end = end; + cnt += 1; + } + nfsi->ooo->cnt = cnt; +} + +static void nfs_ooo_record(struct nfs_inode *nfsi, + struct nfs_fattr *fattr) +{ + /* This reply was out-of-order, so record in the + * pre/post change id, possibly cancelling + * gaps created when iversion was jumpped forward. + */ + if ((fattr->valid & NFS_ATTR_FATTR_CHANGE) && + (fattr->valid & NFS_ATTR_FATTR_PRECHANGE)) + nfs_ooo_merge(nfsi, + fattr->change_attr, + fattr->pre_change_attr); +} + static int nfs_refresh_inode_locked(struct inode *inode, struct nfs_fattr *fattr) { @@ -1834,8 +1908,12 @@ static int nfs_refresh_inode_locked(struct inode *inode, if (attr_cmp > 0 || nfs_inode_finish_partial_attr_update(fattr, inode)) ret = nfs_update_inode(inode, fattr); - else if (attr_cmp == 0) - ret = nfs_check_inode_attributes(inode, fattr); + else { + nfs_ooo_record(NFS_I(inode), fattr); + + if (attr_cmp == 0) + ret = nfs_check_inode_attributes(inode, fattr); + } trace_nfs_refresh_inode_exit(inode, ret); return ret; @@ -1926,6 +2004,8 @@ int nfs_post_op_update_inode_force_wcc_locked(struct inode *inode, struct nfs_fa if (attr_cmp < 0) return 0; if ((fattr->valid & NFS_ATTR_FATTR) == 0 || !attr_cmp) { + /* Record the pre/post change info before clearing PRECHANGE */ + nfs_ooo_record(NFS_I(inode), fattr); fattr->valid &= ~(NFS_ATTR_FATTR_PRECHANGE | NFS_ATTR_FATTR_PRESIZE | NFS_ATTR_FATTR_PREMTIME @@ -2080,6 +2160,15 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) /* More cache consistency checks */ if (fattr->valid & NFS_ATTR_FATTR_CHANGE) { + if (!have_writers && nfsi->ooo && nfsi->ooo->cnt == 1 && + nfsi->ooo->gap[0].end == inode_peek_iversion_raw(inode)) { + /* There is one remaining gap that hasn't been + * merged into iversion - do that now. + */ + inode_set_iversion_raw(inode, nfsi->ooo->gap[0].start); + kfree(nfsi->ooo); + nfsi->ooo = NULL; + } if (!inode_eq_iversion_raw(inode, fattr->change_attr)) { /* Could it be a race with writeback? */ if (!(have_writers || have_delegation)) { @@ -2101,8 +2190,11 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) dprintk("NFS: change_attr change on server for file %s/%ld\n", inode->i_sb->s_id, inode->i_ino); - } else if (!have_delegation) - nfsi->cache_validity |= NFS_INO_DATA_INVAL_DEFER; + } else if (!have_delegation) { + nfs_ooo_record(nfsi, fattr); + nfs_ooo_merge(nfsi, inode_peek_iversion_raw(inode), + fattr->change_attr); + } inode_set_iversion_raw(inode, fattr->change_attr); } } else { @@ -2264,6 +2356,7 @@ struct inode *nfs_alloc_inode(struct super_block *sb) return NULL; nfsi->flags = 0UL; nfsi->cache_validity = 0UL; + nfsi->ooo = NULL; #if IS_ENABLED(CONFIG_NFS_V4) nfsi->nfs4_acl = NULL; #endif /* CONFIG_NFS_V4 */ @@ -2276,6 +2369,7 @@ EXPORT_SYMBOL_GPL(nfs_alloc_inode); void nfs_free_inode(struct inode *inode) { + kfree(NFS_I(inode)->ooo); kmem_cache_free(nfs_inode_cachep, NFS_I(inode)); } EXPORT_SYMBOL_GPL(nfs_free_inode); diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index 2975bbc33d..eb347742e6 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -210,7 +210,7 @@ static int handle_async_copy(struct nfs42_copy_res *res, if (dst_server != src_server) { spin_lock(&src_server->nfs_client->cl_lock); - list_add_tail(©->src_copies, &src_server->ss_copies); + list_add_tail(©->src_copies, &src_server->ss_src_copies); spin_unlock(&src_server->nfs_client->cl_lock); } diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index cba8b4c1fb..8557b2218a 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -230,9 +230,8 @@ struct nfs_client *nfs4_alloc_client(const struct nfs_client_initdata *cl_init) __set_bit(NFS_CS_INFINITE_SLOTS, &clp->cl_flags); __set_bit(NFS_CS_DISCRTRY, &clp->cl_flags); __set_bit(NFS_CS_NO_RETRANS_TIMEOUT, &clp->cl_flags); - - if (test_bit(NFS_CS_DS, &cl_init->init_flags)) - __set_bit(NFS_CS_DS, &clp->cl_flags); + if (test_bit(NFS_CS_PNFS, &cl_init->init_flags)) + __set_bit(NFS_CS_PNFS, &clp->cl_flags); /* * Set up the connection to the server before we add add to the * global list. @@ -997,7 +996,6 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv, if (mds_srv->flags & NFS_MOUNT_NORESVPORT) __set_bit(NFS_CS_NORESVPORT, &cl_init.init_flags); - __set_bit(NFS_CS_DS, &cl_init.init_flags); __set_bit(NFS_CS_PNFS, &cl_init.init_flags); cl_init.max_connect = NFS_MAX_TRANSPORTS; /* diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 167f2cc3c3..f1c351e40c 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -8718,7 +8718,7 @@ nfs4_run_exchange_id(struct nfs_client *clp, const struct cred *cred, #ifdef CONFIG_NFS_V4_1_MIGRATION calldata->args.flags |= EXCHGID4_FLAG_SUPP_MOVED_MIGR; #endif - if (test_bit(NFS_CS_DS, &clp->cl_flags)) + if (test_bit(NFS_CS_PNFS, &clp->cl_flags)) calldata->args.flags |= EXCHGID4_FLAG_USE_PNFS_DS; msg.rpc_argp = &calldata->args; msg.rpc_resp = &calldata->res; @@ -9755,13 +9755,16 @@ static void nfs4_layoutreturn_done(struct rpc_task *task, void *calldata) fallthrough; default: task->tk_status = 0; + lrp->res.lrs_present = 0; fallthrough; case 0: break; case -NFS4ERR_DELAY: - if (nfs4_async_handle_error(task, server, NULL, NULL) != -EAGAIN) - break; - goto out_restart; + if (nfs4_async_handle_error(task, server, NULL, NULL) == + -EAGAIN) + goto out_restart; + lrp->res.lrs_present = 0; + break; } dprintk("<-- %s\n", __func__); return; diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index d452fa85a5..76e2cdddf9 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1597,7 +1597,7 @@ static void nfs42_complete_copies(struct nfs4_state_owner *sp, struct nfs4_state complete(©->completion); } } - list_for_each_entry(copy, &sp->so_server->ss_copies, src_copies) { + list_for_each_entry(copy, &sp->so_server->ss_src_copies, src_copies) { if ((test_bit(NFS_CLNT_SRC_SSC_COPY_STATE, &state->flags) && !nfs4_stateid_match_other(&state->stateid, ©->parent_src_state->stateid))) @@ -1949,6 +1949,7 @@ static int nfs4_do_reclaim(struct nfs_client *clp, const struct nfs4_state_recov set_bit(ops->owner_flag_bit, &sp->so_flags); nfs4_put_state_owner(sp); status = nfs4_recovery_handle_error(clp, status); + nfs4_free_state_owners(&freeme); return (status != 0) ? status : -EAGAIN; } diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h index 6804ca2efb..cbdfe091f5 100644 --- a/fs/nfs/nfstrace.h +++ b/fs/nfs/nfstrace.h @@ -162,6 +162,7 @@ DEFINE_NFS_INODE_EVENT_DONE(nfs_writeback_inode_exit); DEFINE_NFS_INODE_EVENT(nfs_fsync_enter); DEFINE_NFS_INODE_EVENT_DONE(nfs_fsync_exit); DEFINE_NFS_INODE_EVENT(nfs_access_enter); +DEFINE_NFS_INODE_EVENT_DONE(nfs_set_cache_invalid); TRACE_EVENT(nfs_access_exit, TP_PROTO( diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 9f6776c706..fb12a21938 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1169,10 +1169,9 @@ void pnfs_layoutreturn_free_lsegs(struct pnfs_layout_hdr *lo, LIST_HEAD(freeme); spin_lock(&inode->i_lock); - if (!pnfs_layout_is_valid(lo) || - !nfs4_stateid_match_other(&lo->plh_stateid, arg_stateid)) + if (!nfs4_stateid_match_other(&lo->plh_stateid, arg_stateid)) goto out_unlock; - if (stateid) { + if (stateid && pnfs_layout_is_valid(lo)) { u32 seq = be32_to_cpu(arg_stateid->seqid); pnfs_mark_matching_lsegs_invalid(lo, &freeme, range, seq); @@ -1994,6 +1993,14 @@ pnfs_update_layout(struct inode *ino, } lookup_again: + if (!nfs4_valid_open_stateid(ctx->state)) { + trace_pnfs_update_layout(ino, pos, count, + iomode, lo, lseg, + PNFS_UPDATE_LAYOUT_INVALID_OPEN); + lseg = ERR_PTR(-EIO); + goto out; + } + lseg = ERR_PTR(nfs4_client_recover_expired_lease(clp)); if (IS_ERR(lseg)) goto out; diff --git a/fs/nfs/read.c b/fs/nfs/read.c index 08d6cc57cb..b02372ec07 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -120,12 +120,8 @@ static void nfs_readpage_release(struct nfs_page *req, int error) if (nfs_error_is_fatal_on_server(error) && error != -ETIMEDOUT) SetPageError(page); if (nfs_page_group_sync_on_bit(req, PG_UNLOCKPAGE)) { - struct address_space *mapping = page_file_mapping(page); - if (PageUptodate(page)) nfs_readpage_to_fscache(inode, page, 0); - else if (!PageError(page) && !PagePrivate(page)) - generic_error_remove_page(mapping, page); unlock_page(page); } nfs_release_request(req); diff --git a/fs/nfs/super.c b/fs/nfs/super.c index a847011f36..f91cb1267b 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -47,6 +47,7 @@ #include #include #include +#include #include #include #include @@ -219,6 +220,7 @@ static int __nfs_list_for_each_server(struct list_head *head, ret = fn(server, data); if (ret) goto out; + cond_resched(); rcu_read_lock(); } rcu_read_unlock(); @@ -865,7 +867,15 @@ static int nfs_request_mount(struct fs_context *fc, * Now ask the mount server to map our export path * to a file handle. */ - status = nfs_mount(&request, ctx->timeo, ctx->retrans); + if ((request.protocol == XPRT_TRANSPORT_UDP) == + !(ctx->flags & NFS_MOUNT_TCP)) + /* + * NFS protocol and mount protocol are both UDP or neither UDP + * so timeouts are compatible. Use NFS timeouts for MOUNT + */ + status = nfs_mount(&request, ctx->timeo, ctx->retrans); + else + status = nfs_mount(&request, NFS_UNSPEC_TIMEO, NFS_UNSPEC_RETRANS); if (status != 0) { dfprintk(MOUNT, "NFS: unable to mount server %s, error %d\n", request.hostname, status); diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index 668c7527b1..16fadade86 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -339,12 +339,16 @@ static int export_stats_init(struct export_stats *stats) static void export_stats_reset(struct export_stats *stats) { - nfsd_percpu_counters_reset(stats->counter, EXP_STATS_COUNTERS_NUM); + if (stats) + nfsd_percpu_counters_reset(stats->counter, + EXP_STATS_COUNTERS_NUM); } static void export_stats_destroy(struct export_stats *stats) { - nfsd_percpu_counters_destroy(stats->counter, EXP_STATS_COUNTERS_NUM); + if (stats) + nfsd_percpu_counters_destroy(stats->counter, + EXP_STATS_COUNTERS_NUM); } static void svc_export_put(struct kref *ref) @@ -353,7 +357,8 @@ static void svc_export_put(struct kref *ref) path_put(&exp->ex_path); auth_domain_put(exp->ex_client); nfsd4_fslocs_free(&exp->ex_fslocs); - export_stats_destroy(&exp->ex_stats); + export_stats_destroy(exp->ex_stats); + kfree(exp->ex_stats); kfree(exp->ex_uuid); kfree_rcu(exp, ex_rcu); } @@ -744,13 +749,15 @@ static int svc_export_show(struct seq_file *m, seq_putc(m, '\t'); seq_escape(m, exp->ex_client->name, " \t\n\\"); if (export_stats) { - seq_printf(m, "\t%lld\n", exp->ex_stats.start_time); + struct percpu_counter *counter = exp->ex_stats->counter; + + seq_printf(m, "\t%lld\n", exp->ex_stats->start_time); seq_printf(m, "\tfh_stale: %lld\n", - percpu_counter_sum_positive(&exp->ex_stats.counter[EXP_STATS_FH_STALE])); + percpu_counter_sum_positive(&counter[EXP_STATS_FH_STALE])); seq_printf(m, "\tio_read: %lld\n", - percpu_counter_sum_positive(&exp->ex_stats.counter[EXP_STATS_IO_READ])); + percpu_counter_sum_positive(&counter[EXP_STATS_IO_READ])); seq_printf(m, "\tio_write: %lld\n", - percpu_counter_sum_positive(&exp->ex_stats.counter[EXP_STATS_IO_WRITE])); + percpu_counter_sum_positive(&counter[EXP_STATS_IO_WRITE])); seq_putc(m, '\n'); return 0; } @@ -796,7 +803,7 @@ static void svc_export_init(struct cache_head *cnew, struct cache_head *citem) new->ex_layout_types = 0; new->ex_uuid = NULL; new->cd = item->cd; - export_stats_reset(&new->ex_stats); + export_stats_reset(new->ex_stats); } static void export_update(struct cache_head *cnew, struct cache_head *citem) @@ -832,7 +839,14 @@ static struct cache_head *svc_export_alloc(void) if (!i) return NULL; - if (export_stats_init(&i->ex_stats)) { + i->ex_stats = kmalloc(sizeof(*(i->ex_stats)), GFP_KERNEL); + if (!i->ex_stats) { + kfree(i); + return NULL; + } + + if (export_stats_init(i->ex_stats)) { + kfree(i->ex_stats); kfree(i); return NULL; } diff --git a/fs/nfsd/export.h b/fs/nfsd/export.h index d03f7f6a86..f73e23bb24 100644 --- a/fs/nfsd/export.h +++ b/fs/nfsd/export.h @@ -64,10 +64,10 @@ struct svc_export { struct cache_head h; struct auth_domain * ex_client; int ex_flags; + int ex_fsid; struct path ex_path; kuid_t ex_anon_uid; kgid_t ex_anon_gid; - int ex_fsid; unsigned char * ex_uuid; /* 16 byte fsid */ struct nfsd4_fs_locations ex_fslocs; uint32_t ex_nflavors; @@ -76,7 +76,7 @@ struct svc_export { struct nfsd4_deviceid_map *ex_devid_map; struct cache_detail *cd; struct rcu_head ex_rcu; - struct export_stats ex_stats; + struct export_stats *ex_stats; }; /* an "export key" (expkey) maps a filehandlefragement to an diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index 615ea83249..585163b4e1 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -717,7 +717,7 @@ nfsd_file_cache_init(void) ret = rhltable_init(&nfsd_file_rhltable, &nfsd_file_rhash_params); if (ret) - return ret; + goto out; ret = -ENOMEM; nfsd_filecache_wq = alloc_workqueue("nfsd_filecache", 0, 0); @@ -769,6 +769,8 @@ nfsd_file_cache_init(void) INIT_DELAYED_WORK(&nfsd_filecache_laundrette, nfsd_file_gc_worker); out: + if (ret) + clear_bit(NFSD_FILE_CACHE_UP, &nfsd_file_flags); return ret; out_notifier: lease_unregister_notifier(&nfsd_file_lease_notifier); @@ -1040,8 +1042,6 @@ nfsd_file_do_acquire(struct svc_rqst *rqstp, struct svc_fh *fhp, if (likely(ret == 0)) goto open_file; - if (ret == -EEXIST) - goto retry; trace_nfsd_file_insert_err(rqstp, inode, may_flags, ret); status = nfserr_jukebox; goto construction_err; @@ -1056,6 +1056,7 @@ nfsd_file_do_acquire(struct svc_rqst *rqstp, struct svc_fh *fhp, status = nfserr_jukebox; goto construction_err; } + nfsd_file_put(nf); open_retry = false; goto retry; } diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h index 51a4b7885c..548422b24a 100644 --- a/fs/nfsd/netns.h +++ b/fs/nfsd/netns.h @@ -10,8 +10,10 @@ #include #include +#include #include #include +#include /* Hash tables for nfs4_clientid state */ #define CLIENT_HASH_BITS 4 @@ -25,10 +27,22 @@ struct nfsd4_client_tracking_ops; enum { /* cache misses due only to checksum comparison failures */ - NFSD_NET_PAYLOAD_MISSES, + NFSD_STATS_PAYLOAD_MISSES, /* amount of memory (in bytes) currently consumed by the DRC */ - NFSD_NET_DRC_MEM_USAGE, - NFSD_NET_COUNTERS_NUM + NFSD_STATS_DRC_MEM_USAGE, + NFSD_STATS_RC_HITS, /* repcache hits */ + NFSD_STATS_RC_MISSES, /* repcache misses */ + NFSD_STATS_RC_NOCACHE, /* uncached reqs */ + NFSD_STATS_FH_STALE, /* FH stale error */ + NFSD_STATS_IO_READ, /* bytes returned to read requests */ + NFSD_STATS_IO_WRITE, /* bytes passed in write requests */ +#ifdef CONFIG_NFSD_V4 + NFSD_STATS_FIRST_NFS4_OP, /* count of individual nfsv4 operations */ + NFSD_STATS_LAST_NFS4_OP = NFSD_STATS_FIRST_NFS4_OP + LAST_NFS4_OP, +#define NFSD_STATS_NFS4_OP(op) (NFSD_STATS_FIRST_NFS4_OP + (op)) + NFSD_STATS_WDELEG_GETATTR, /* count of getattr conflict with wdeleg */ +#endif + NFSD_STATS_COUNTERS_NUM }; /* @@ -168,7 +182,10 @@ struct nfsd_net { atomic_t num_drc_entries; /* Per-netns stats counters */ - struct percpu_counter counter[NFSD_NET_COUNTERS_NUM]; + struct percpu_counter counter[NFSD_STATS_COUNTERS_NUM]; + + /* sunrpc svc stats */ + struct svc_stat nfsd_svcstats; /* longest hash chain seen */ unsigned int longest_chain; diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c index 5e9809aff3..717e400b16 100644 --- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -581,6 +581,7 @@ static __be32 idmap_id_to_name(struct xdr_stream *xdr, .id = id, .type = type, }; + __be32 status = nfs_ok; __be32 *p; int ret; struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id); @@ -593,12 +594,16 @@ static __be32 idmap_id_to_name(struct xdr_stream *xdr, return nfserrno(ret); ret = strlen(item->name); WARN_ON_ONCE(ret > IDMAP_NAMESZ); + p = xdr_reserve_space(xdr, ret + 4); - if (!p) - return nfserr_resource; - p = xdr_encode_opaque(p, item->name, ret); + if (unlikely(!p)) { + status = nfserr_resource; + goto out_put; + } + xdr_encode_opaque(p, item->name, ret); +out_put: cache_put(&item->h, nn->idtoname_cache); - return 0; + return status; } static bool diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index e0ff221286..11dcf3debb 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -2435,10 +2435,10 @@ nfsd4_proc_null(struct svc_rqst *rqstp) return rpc_success; } -static inline void nfsd4_increment_op_stats(u32 opnum) +static inline void nfsd4_increment_op_stats(struct nfsd_net *nn, u32 opnum) { if (opnum >= FIRST_NFS4_OP && opnum <= LAST_NFS4_OP) - percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_NFS4_OP(opnum)]); + percpu_counter_inc(&nn->counter[NFSD_STATS_NFS4_OP(opnum)]); } static const struct nfsd4_operation nfsd4_ops[]; @@ -2713,7 +2713,7 @@ nfsd4_proc_compound(struct svc_rqst *rqstp) status, nfsd4_op_name(op->opnum)); nfsd4_cstate_clear_replay(cstate); - nfsd4_increment_op_stats(op->opnum); + nfsd4_increment_op_stats(nn, op->opnum); } fh_put(current_fh); diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c index 5d680045fa..2cc543f6c4 100644 --- a/fs/nfsd/nfs4recover.c +++ b/fs/nfsd/nfs4recover.c @@ -806,6 +806,10 @@ __cld_pipe_inprogress_downcall(const struct cld_msg_v2 __user *cmsg, ci = &cmsg->cm_u.cm_clntinfo; if (get_user(namelen, &ci->cc_name.cn_len)) return -EFAULT; + if (!namelen) { + dprintk("%s: namelen should not be zero", __func__); + return -EINVAL; + } name.data = memdup_user(&ci->cc_name.cn_id, namelen); if (IS_ERR(name.data)) return PTR_ERR(name.data); @@ -828,6 +832,10 @@ __cld_pipe_inprogress_downcall(const struct cld_msg_v2 __user *cmsg, cnm = &cmsg->cm_u.cm_name; if (get_user(namelen, &cnm->cn_len)) return -EFAULT; + if (!namelen) { + dprintk("%s: namelen should not be zero", __func__); + return -EINVAL; + } name.data = memdup_user(&cnm->cn_id, namelen); if (IS_ERR(name.data)) return PTR_ERR(name.data); diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index d07176eee9..5ab3045c64 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1090,7 +1090,8 @@ static void nfs4_free_deleg(struct nfs4_stid *stid) * When a delegation is recalled, the filehandle is stored in the "new" * filter. * Every 30 seconds we swap the filters and clear the "new" one, - * unless both are empty of course. + * unless both are empty of course. This results in delegations for a + * given filehandle being blocked for between 30 and 60 seconds. * * Each filter is 256 bits. We hash the filehandle to 32bit and use the * low 3 bytes as hash-table indices. @@ -1119,9 +1120,9 @@ static int delegation_blocked(struct knfsd_fh *fh) if (ktime_get_seconds() - bd->swap_time > 30) { bd->entries -= bd->old_entries; bd->old_entries = bd->entries; + bd->new = 1-bd->new; memset(bd->set[bd->new], 0, sizeof(bd->set[0])); - bd->new = 1-bd->new; bd->swap_time = ktime_get_seconds(); } spin_unlock(&blocked_delegations_lock); diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 5b95499a1f..0fb48e0c17 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -1245,14 +1245,6 @@ nfsd4_decode_putfh(struct nfsd4_compoundargs *argp, union nfsd4_op_u *u) return nfs_ok; } -static __be32 -nfsd4_decode_putpubfh(struct nfsd4_compoundargs *argp, union nfsd4_op_u *p) -{ - if (argp->minorversion == 0) - return nfs_ok; - return nfserr_notsupp; -} - static __be32 nfsd4_decode_read(struct nfsd4_compoundargs *argp, union nfsd4_op_u *u) { @@ -2345,7 +2337,7 @@ static const nfsd4_dec nfsd4_dec_ops[] = { [OP_OPEN_CONFIRM] = nfsd4_decode_open_confirm, [OP_OPEN_DOWNGRADE] = nfsd4_decode_open_downgrade, [OP_PUTFH] = nfsd4_decode_putfh, - [OP_PUTPUBFH] = nfsd4_decode_putpubfh, + [OP_PUTPUBFH] = nfsd4_decode_noop, [OP_PUTROOTFH] = nfsd4_decode_noop, [OP_READ] = nfsd4_decode_read, [OP_READDIR] = nfsd4_decode_readdir, diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c index 2b5417e06d..448700939d 100644 --- a/fs/nfsd/nfscache.c +++ b/fs/nfsd/nfscache.c @@ -85,8 +85,8 @@ nfsd_hashsize(unsigned int limit) } static struct svc_cacherep * -nfsd_reply_cache_alloc(struct svc_rqst *rqstp, __wsum csum, - struct nfsd_net *nn) +nfsd_cacherep_alloc(struct svc_rqst *rqstp, __wsum csum, + struct nfsd_net *nn) { struct svc_cacherep *rp; @@ -110,21 +110,48 @@ nfsd_reply_cache_alloc(struct svc_rqst *rqstp, __wsum csum, return rp; } -static void -nfsd_reply_cache_free_locked(struct nfsd_drc_bucket *b, struct svc_cacherep *rp, - struct nfsd_net *nn) +static void nfsd_cacherep_free(struct svc_cacherep *rp) { - if (rp->c_type == RC_REPLBUFF && rp->c_replvec.iov_base) { - nfsd_stats_drc_mem_usage_sub(nn, rp->c_replvec.iov_len); + if (rp->c_type == RC_REPLBUFF) kfree(rp->c_replvec.iov_base); + kmem_cache_free(drc_slab, rp); +} + +static unsigned long +nfsd_cacherep_dispose(struct list_head *dispose) +{ + struct svc_cacherep *rp; + unsigned long freed = 0; + + while (!list_empty(dispose)) { + rp = list_first_entry(dispose, struct svc_cacherep, c_lru); + list_del(&rp->c_lru); + nfsd_cacherep_free(rp); + freed++; } + return freed; +} + +static void +nfsd_cacherep_unlink_locked(struct nfsd_net *nn, struct nfsd_drc_bucket *b, + struct svc_cacherep *rp) +{ + if (rp->c_type == RC_REPLBUFF && rp->c_replvec.iov_base) + nfsd_stats_drc_mem_usage_sub(nn, rp->c_replvec.iov_len); if (rp->c_state != RC_UNUSED) { rb_erase(&rp->c_node, &b->rb_head); list_del(&rp->c_lru); atomic_dec(&nn->num_drc_entries); nfsd_stats_drc_mem_usage_sub(nn, sizeof(*rp)); } - kmem_cache_free(drc_slab, rp); +} + +static void +nfsd_reply_cache_free_locked(struct nfsd_drc_bucket *b, struct svc_cacherep *rp, + struct nfsd_net *nn) +{ + nfsd_cacherep_unlink_locked(nn, b, rp); + nfsd_cacherep_free(rp); } static void @@ -132,8 +159,9 @@ nfsd_reply_cache_free(struct nfsd_drc_bucket *b, struct svc_cacherep *rp, struct nfsd_net *nn) { spin_lock(&b->cache_lock); - nfsd_reply_cache_free_locked(b, rp, nn); + nfsd_cacherep_unlink_locked(nn, b, rp); spin_unlock(&b->cache_lock); + nfsd_cacherep_free(rp); } int nfsd_drc_slab_create(void) @@ -148,16 +176,6 @@ void nfsd_drc_slab_free(void) kmem_cache_destroy(drc_slab); } -static int nfsd_reply_cache_stats_init(struct nfsd_net *nn) -{ - return nfsd_percpu_counters_init(nn->counter, NFSD_NET_COUNTERS_NUM); -} - -static void nfsd_reply_cache_stats_destroy(struct nfsd_net *nn) -{ - nfsd_percpu_counters_destroy(nn->counter, NFSD_NET_COUNTERS_NUM); -} - int nfsd_reply_cache_init(struct nfsd_net *nn) { unsigned int hashsize; @@ -169,16 +187,12 @@ int nfsd_reply_cache_init(struct nfsd_net *nn) hashsize = nfsd_hashsize(nn->max_drc_entries); nn->maskbits = ilog2(hashsize); - status = nfsd_reply_cache_stats_init(nn); - if (status) - goto out_nomem; - nn->nfsd_reply_cache_shrinker.scan_objects = nfsd_reply_cache_scan; nn->nfsd_reply_cache_shrinker.count_objects = nfsd_reply_cache_count; nn->nfsd_reply_cache_shrinker.seeks = 1; status = register_shrinker(&nn->nfsd_reply_cache_shrinker); if (status) - goto out_stats_destroy; + return status; nn->drc_hashtbl = kvzalloc(array_size(hashsize, sizeof(*nn->drc_hashtbl)), GFP_KERNEL); @@ -194,9 +208,6 @@ int nfsd_reply_cache_init(struct nfsd_net *nn) return 0; out_shrinker: unregister_shrinker(&nn->nfsd_reply_cache_shrinker); -out_stats_destroy: - nfsd_reply_cache_stats_destroy(nn); -out_nomem: printk(KERN_ERR "nfsd: failed to allocate reply cache\n"); return -ENOMEM; } @@ -216,7 +227,6 @@ void nfsd_reply_cache_shutdown(struct nfsd_net *nn) rp, nn); } } - nfsd_reply_cache_stats_destroy(nn); kvfree(nn->drc_hashtbl); nn->drc_hashtbl = NULL; @@ -243,12 +253,21 @@ nfsd_cache_bucket_find(__be32 xid, struct nfsd_net *nn) return &nn->drc_hashtbl[hash]; } -static long prune_bucket(struct nfsd_drc_bucket *b, struct nfsd_net *nn, - unsigned int max) +/* + * Remove and return no more than @max expired entries in bucket @b. + * If @max is zero, do not limit the number of removed entries. + */ +static void +nfsd_prune_bucket_locked(struct nfsd_net *nn, struct nfsd_drc_bucket *b, + unsigned int max, struct list_head *dispose) { + unsigned long expiry = jiffies - RC_EXPIRE; struct svc_cacherep *rp, *tmp; - long freed = 0; + unsigned int freed = 0; + + lockdep_assert_held(&b->cache_lock); + /* The bucket LRU is ordered oldest-first. */ list_for_each_entry_safe(rp, tmp, &b->lru_head, c_lru) { /* * Don't free entries attached to calls that are still @@ -256,60 +275,77 @@ static long prune_bucket(struct nfsd_drc_bucket *b, struct nfsd_net *nn, */ if (rp->c_state == RC_INPROG) continue; + if (atomic_read(&nn->num_drc_entries) <= nn->max_drc_entries && - time_before(jiffies, rp->c_timestamp + RC_EXPIRE)) + time_before(expiry, rp->c_timestamp)) break; - nfsd_reply_cache_free_locked(b, rp, nn); - if (max && freed++ > max) + + nfsd_cacherep_unlink_locked(nn, b, rp); + list_add(&rp->c_lru, dispose); + + if (max && ++freed > max) break; } - return freed; } -static long nfsd_prune_bucket(struct nfsd_drc_bucket *b, struct nfsd_net *nn) +/** + * nfsd_reply_cache_count - count_objects method for the DRC shrinker + * @shrink: our registered shrinker context + * @sc: garbage collection parameters + * + * Returns the total number of entries in the duplicate reply cache. To + * keep things simple and quick, this is not the number of expired entries + * in the cache (ie, the number that would be removed by a call to + * nfsd_reply_cache_scan). + */ +static unsigned long +nfsd_reply_cache_count(struct shrinker *shrink, struct shrink_control *sc) { - return prune_bucket(b, nn, 3); + struct nfsd_net *nn = container_of(shrink, + struct nfsd_net, nfsd_reply_cache_shrinker); + + return atomic_read(&nn->num_drc_entries); } -/* - * Walk the LRU list and prune off entries that are older than RC_EXPIRE. - * Also prune the oldest ones when the total exceeds the max number of entries. +/** + * nfsd_reply_cache_scan - scan_objects method for the DRC shrinker + * @shrink: our registered shrinker context + * @sc: garbage collection parameters + * + * Free expired entries on each bucket's LRU list until we've released + * nr_to_scan freed objects. Nothing will be released if the cache + * has not exceeded it's max_drc_entries limit. + * + * Returns the number of entries released by this call. */ -static long -prune_cache_entries(struct nfsd_net *nn) +static unsigned long +nfsd_reply_cache_scan(struct shrinker *shrink, struct shrink_control *sc) { + struct nfsd_net *nn = container_of(shrink, + struct nfsd_net, nfsd_reply_cache_shrinker); + unsigned long freed = 0; + LIST_HEAD(dispose); unsigned int i; - long freed = 0; for (i = 0; i < nn->drc_hashsize; i++) { struct nfsd_drc_bucket *b = &nn->drc_hashtbl[i]; if (list_empty(&b->lru_head)) continue; + spin_lock(&b->cache_lock); - freed += prune_bucket(b, nn, 0); + nfsd_prune_bucket_locked(nn, b, 0, &dispose); spin_unlock(&b->cache_lock); - } - return freed; -} -static unsigned long -nfsd_reply_cache_count(struct shrinker *shrink, struct shrink_control *sc) -{ - struct nfsd_net *nn = container_of(shrink, - struct nfsd_net, nfsd_reply_cache_shrinker); + freed += nfsd_cacherep_dispose(&dispose); + if (freed > sc->nr_to_scan) + break; + } - return atomic_read(&nn->num_drc_entries); + trace_nfsd_drc_gc(nn, freed); + return freed; } -static unsigned long -nfsd_reply_cache_scan(struct shrinker *shrink, struct shrink_control *sc) -{ - struct nfsd_net *nn = container_of(shrink, - struct nfsd_net, nfsd_reply_cache_shrinker); - - return prune_cache_entries(nn); -} /* * Walk an xdr_buf and get a CRC for at most the first RC_CSUMLEN bytes */ @@ -421,16 +457,18 @@ nfsd_cache_insert(struct nfsd_drc_bucket *b, struct svc_cacherep *key, */ int nfsd_cache_lookup(struct svc_rqst *rqstp) { - struct nfsd_net *nn; + struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id); struct svc_cacherep *rp, *found; __wsum csum; struct nfsd_drc_bucket *b; int type = rqstp->rq_cachetype; + unsigned long freed; + LIST_HEAD(dispose); int rtn = RC_DOIT; rqstp->rq_cacherep = NULL; if (type == RC_NOCACHE) { - nfsd_stats_rc_nocache_inc(); + nfsd_stats_rc_nocache_inc(nn); goto out; } @@ -440,8 +478,7 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp) * Since the common case is a cache miss followed by an insert, * preallocate an entry. */ - nn = net_generic(SVC_NET(rqstp), nfsd_net_id); - rp = nfsd_reply_cache_alloc(rqstp, csum, nn); + rp = nfsd_cacherep_alloc(rqstp, csum, nn); if (!rp) goto out; @@ -450,25 +487,23 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp) found = nfsd_cache_insert(b, rp, nn); if (found != rp) goto found_entry; - - nfsd_stats_rc_misses_inc(); rqstp->rq_cacherep = rp; rp->c_state = RC_INPROG; + nfsd_prune_bucket_locked(nn, b, 3, &dispose); + spin_unlock(&b->cache_lock); + freed = nfsd_cacherep_dispose(&dispose); + trace_nfsd_drc_gc(nn, freed); + + nfsd_stats_rc_misses_inc(nn); atomic_inc(&nn->num_drc_entries); nfsd_stats_drc_mem_usage_add(nn, sizeof(*rp)); - - nfsd_prune_bucket(b, nn); - -out_unlock: - spin_unlock(&b->cache_lock); -out: - return rtn; + goto out; found_entry: /* We found a matching entry which is either in progress or done. */ nfsd_reply_cache_free_locked(NULL, rp, nn); - nfsd_stats_rc_hits_inc(); + nfsd_stats_rc_hits_inc(nn); rtn = RC_DROPIT; rp = found; @@ -501,7 +536,10 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp) out_trace: trace_nfsd_drc_found(nn, rqstp, rtn); - goto out_unlock; +out_unlock: + spin_unlock(&b->cache_lock); +out: + return rtn; } /** @@ -613,15 +651,15 @@ int nfsd_reply_cache_stats_show(struct seq_file *m, void *v) atomic_read(&nn->num_drc_entries)); seq_printf(m, "hash buckets: %u\n", 1 << nn->maskbits); seq_printf(m, "mem usage: %lld\n", - percpu_counter_sum_positive(&nn->counter[NFSD_NET_DRC_MEM_USAGE])); + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_DRC_MEM_USAGE])); seq_printf(m, "cache hits: %lld\n", - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_HITS])); + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_HITS])); seq_printf(m, "cache misses: %lld\n", - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_MISSES])); + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_MISSES])); seq_printf(m, "not cached: %lld\n", - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_NOCACHE])); + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_NOCACHE])); seq_printf(m, "payload misses: %lld\n", - percpu_counter_sum_positive(&nn->counter[NFSD_NET_PAYLOAD_MISSES])); + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_PAYLOAD_MISSES])); seq_printf(m, "longest chain len: %u\n", nn->longest_chain); seq_printf(m, "cachesize at longest: %u\n", nn->longest_chain_cachesize); return 0; diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index f77f00c931..2feaa49fb9 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -1458,18 +1458,21 @@ static __net_init int nfsd_init_net(struct net *net) retval = nfsd_idmap_init(net); if (retval) goto out_idmap_error; + retval = nfsd_stat_counters_init(nn); + if (retval) + goto out_repcache_error; + memset(&nn->nfsd_svcstats, 0, sizeof(nn->nfsd_svcstats)); + nn->nfsd_svcstats.program = &nfsd_program; nn->nfsd_versions = NULL; nn->nfsd4_minorversions = NULL; nfsd4_init_leases_net(nn); - retval = nfsd_reply_cache_init(nn); - if (retval) - goto out_cache_error; get_random_bytes(&nn->siphash_key, sizeof(nn->siphash_key)); seqlock_init(&nn->writeverf_lock); + nfsd_proc_stat_init(net); return 0; -out_cache_error: +out_repcache_error: nfsd_idmap_shutdown(net); out_idmap_error: nfsd_export_shutdown(net); @@ -1481,10 +1484,11 @@ static __net_exit void nfsd_exit_net(struct net *net) { struct nfsd_net *nn = net_generic(net, nfsd_net_id); - nfsd_reply_cache_shutdown(nn); + nfsd_proc_stat_shutdown(net); + nfsd_stat_counters_destroy(nn); nfsd_idmap_shutdown(net); nfsd_export_shutdown(net); - nfsd_netns_free_versions(net_generic(net, nfsd_net_id)); + nfsd_netns_free_versions(nn); } static struct pernet_operations nfsd_net_ops = { @@ -1504,12 +1508,9 @@ static int __init init_nfsd(void) retval = nfsd4_init_pnfs(); if (retval) goto out_free_slabs; - retval = nfsd_stat_init(); /* Statistics */ - if (retval) - goto out_free_pnfs; retval = nfsd_drc_slab_create(); if (retval) - goto out_free_stat; + goto out_free_pnfs; nfsd_lockd_init(); /* lockd->nfsd callbacks */ retval = create_proc_exports_entry(); if (retval) @@ -1539,8 +1540,6 @@ static int __init init_nfsd(void) out_free_lockd: nfsd_lockd_shutdown(); nfsd_drc_slab_free(); -out_free_stat: - nfsd_stat_shutdown(); out_free_pnfs: nfsd4_exit_pnfs(); out_free_slabs: @@ -1557,7 +1556,6 @@ static void __exit exit_nfsd(void) nfsd_drc_slab_free(); remove_proc_entry("fs/nfs/exports", NULL); remove_proc_entry("fs/nfs", NULL); - nfsd_stat_shutdown(); nfsd_lockd_shutdown(); nfsd4_free_slabs(); nfsd4_exit_pnfs(); diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h index 013bfa24ce..996f3f6233 100644 --- a/fs/nfsd/nfsd.h +++ b/fs/nfsd/nfsd.h @@ -69,6 +69,7 @@ extern struct mutex nfsd_mutex; extern spinlock_t nfsd_drc_lock; extern unsigned long nfsd_drc_max_mem; extern unsigned long nfsd_drc_mem_used; +extern atomic_t nfsd_th_cnt; /* number of available threads */ extern const struct seq_operations nfs_exports_op; diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c index 8c52b6c9d3..e73e9d44f1 100644 --- a/fs/nfsd/nfsfh.c +++ b/fs/nfsd/nfsfh.c @@ -327,6 +327,7 @@ static __be32 nfsd_set_fh_dentry(struct svc_rqst *rqstp, struct svc_fh *fhp) __be32 fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, int access) { + struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id); struct svc_export *exp = NULL; struct dentry *dentry; __be32 error; @@ -395,7 +396,7 @@ fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, int access) out: trace_nfsd_fh_verify_err(rqstp, fhp, type, access, error); if (error == nfserr_stale) - nfsd_stats_fh_stale_inc(exp); + nfsd_stats_fh_stale_inc(nn, exp); return error; } @@ -569,7 +570,7 @@ fh_compose(struct svc_fh *fhp, struct svc_export *exp, struct dentry *dentry, _fh_update(fhp, exp, dentry); if (fhp->fh_handle.fh_fileid_type == FILEID_INVALID) { fh_put(fhp); - return nfserr_opnotsupp; + return nfserr_stale; } return 0; @@ -595,7 +596,7 @@ fh_update(struct svc_fh *fhp) _fh_update(fhp, fhp->fh_export, dentry); if (fhp->fh_handle.fh_fileid_type == FILEID_INVALID) - return nfserr_opnotsupp; + return nfserr_stale; return 0; out_bad: printk(KERN_ERR "fh_update: fh not verified!\n"); diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 3d4fd40c98..6b4f7977f8 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -34,6 +34,7 @@ #define NFSDDBG_FACILITY NFSDDBG_SVC +atomic_t nfsd_th_cnt = ATOMIC_INIT(0); extern struct svc_program nfsd_program; static int nfsd(void *vrqstp); #if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL) @@ -89,7 +90,6 @@ unsigned long nfsd_drc_max_mem; unsigned long nfsd_drc_mem_used; #if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL) -static struct svc_stat nfsd_acl_svcstats; static const struct svc_version *nfsd_acl_version[] = { # if defined(CONFIG_NFSD_V2_ACL) [2] = &nfsd_acl_version2, @@ -108,15 +108,11 @@ static struct svc_program nfsd_acl_program = { .pg_vers = nfsd_acl_version, .pg_name = "nfsacl", .pg_class = "nfsd", - .pg_stats = &nfsd_acl_svcstats, .pg_authenticate = &svc_set_client, .pg_init_request = nfsd_acl_init_request, .pg_rpcbind_set = nfsd_acl_rpcbind_set, }; -static struct svc_stat nfsd_acl_svcstats = { - .program = &nfsd_acl_program, -}; #endif /* defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL) */ static const struct svc_version *nfsd_version[] = { @@ -141,7 +137,6 @@ struct svc_program nfsd_program = { .pg_vers = nfsd_version, /* version table */ .pg_name = "nfsd", /* program name */ .pg_class = "nfsd", /* authentication class */ - .pg_stats = &nfsd_svcstats, /* version table */ .pg_authenticate = &svc_set_client, /* export authentication */ .pg_init_request = nfsd_init_request, .pg_rpcbind_set = nfsd_rpcbind_set, @@ -427,16 +422,23 @@ static int nfsd_startup_net(struct net *net, const struct cred *cred) ret = nfsd_file_cache_start_net(net); if (ret) goto out_lockd; - ret = nfs4_state_start_net(net); + + ret = nfsd_reply_cache_init(nn); if (ret) goto out_filecache; + ret = nfs4_state_start_net(net); + if (ret) + goto out_reply_cache; + #ifdef CONFIG_NFSD_V4_2_INTER_SSC nfsd4_ssc_init_umount_work(nn); #endif nn->nfsd_net_up = true; return 0; +out_reply_cache: + nfsd_reply_cache_shutdown(nn); out_filecache: nfsd_file_cache_shutdown_net(net); out_lockd: @@ -454,6 +456,7 @@ static void nfsd_shutdown_net(struct net *net) struct nfsd_net *nn = net_generic(net, nfsd_net_id); nfs4_state_shutdown_net(net); + nfsd_reply_cache_shutdown(nn); nfsd_file_cache_shutdown_net(net); if (nn->lockd_up) { lockd_down(net); @@ -662,7 +665,8 @@ int nfsd_create_serv(struct net *net) if (nfsd_max_blksize == 0) nfsd_max_blksize = nfsd_get_default_max_blksize(); nfsd_reset_versions(nn); - serv = svc_create_pooled(&nfsd_program, nfsd_max_blksize, nfsd); + serv = svc_create_pooled(&nfsd_program, &nn->nfsd_svcstats, + nfsd_max_blksize, nfsd); if (serv == NULL) return -ENOMEM; @@ -938,7 +942,7 @@ nfsd(void *vrqstp) current->fs->umask = 0; - atomic_inc(&nfsdstats.th_cnt); + atomic_inc(&nfsd_th_cnt); set_freezable(); @@ -962,7 +966,7 @@ nfsd(void *vrqstp) validate_process_creds(); } - atomic_dec(&nfsdstats.th_cnt); + atomic_dec(&nfsd_th_cnt); out: /* Release the thread */ diff --git a/fs/nfsd/stats.c b/fs/nfsd/stats.c index 777e24e5da..7a58dba004 100644 --- a/fs/nfsd/stats.c +++ b/fs/nfsd/stats.c @@ -27,25 +27,22 @@ #include "nfsd.h" -struct nfsd_stats nfsdstats; -struct svc_stat nfsd_svcstats = { - .program = &nfsd_program, -}; - static int nfsd_show(struct seq_file *seq, void *v) { + struct net *net = PDE_DATA(file_inode(seq->file)); + struct nfsd_net *nn = net_generic(net, nfsd_net_id); int i; seq_printf(seq, "rc %lld %lld %lld\nfh %lld 0 0 0 0\nio %lld %lld\n", - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_HITS]), - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_MISSES]), - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_NOCACHE]), - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_FH_STALE]), - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_IO_READ]), - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_IO_WRITE])); + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_HITS]), + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_MISSES]), + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_NOCACHE]), + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_FH_STALE]), + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_IO_READ]), + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_IO_WRITE])); /* thread usage: */ - seq_printf(seq, "th %u 0", atomic_read(&nfsdstats.th_cnt)); + seq_printf(seq, "th %u 0", atomic_read(&nfsd_th_cnt)); /* deprecated thread usage histogram stats */ for (i = 0; i < 10; i++) @@ -55,7 +52,7 @@ static int nfsd_show(struct seq_file *seq, void *v) seq_puts(seq, "\nra 0 0 0 0 0 0 0 0 0 0 0 0\n"); /* show my rpc info */ - svc_seq_show(seq, &nfsd_svcstats); + svc_seq_show(seq, &nn->nfsd_svcstats); #ifdef CONFIG_NFSD_V4 /* Show count for individual nfsv4 operations */ @@ -63,7 +60,7 @@ static int nfsd_show(struct seq_file *seq, void *v) seq_printf(seq,"proc4ops %u", LAST_NFS4_OP + 1); for (i = 0; i <= LAST_NFS4_OP; i++) { seq_printf(seq, " %lld", - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_NFS4_OP(i)])); + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_NFS4_OP(i)])); } seq_putc(seq, '\n'); @@ -74,7 +71,7 @@ static int nfsd_show(struct seq_file *seq, void *v) DEFINE_PROC_SHOW_ATTRIBUTE(nfsd); -int nfsd_percpu_counters_init(struct percpu_counter counters[], int num) +int nfsd_percpu_counters_init(struct percpu_counter *counters, int num) { int i, err = 0; @@ -106,31 +103,24 @@ void nfsd_percpu_counters_destroy(struct percpu_counter counters[], int num) percpu_counter_destroy(&counters[i]); } -static int nfsd_stat_counters_init(void) +int nfsd_stat_counters_init(struct nfsd_net *nn) { - return nfsd_percpu_counters_init(nfsdstats.counter, NFSD_STATS_COUNTERS_NUM); + return nfsd_percpu_counters_init(nn->counter, NFSD_STATS_COUNTERS_NUM); } -static void nfsd_stat_counters_destroy(void) +void nfsd_stat_counters_destroy(struct nfsd_net *nn) { - nfsd_percpu_counters_destroy(nfsdstats.counter, NFSD_STATS_COUNTERS_NUM); + nfsd_percpu_counters_destroy(nn->counter, NFSD_STATS_COUNTERS_NUM); } -int nfsd_stat_init(void) +void nfsd_proc_stat_init(struct net *net) { - int err; - - err = nfsd_stat_counters_init(); - if (err) - return err; + struct nfsd_net *nn = net_generic(net, nfsd_net_id); - svc_proc_register(&init_net, &nfsd_svcstats, &nfsd_proc_ops); - - return 0; + svc_proc_register(net, &nn->nfsd_svcstats, &nfsd_proc_ops); } -void nfsd_stat_shutdown(void) +void nfsd_proc_stat_shutdown(struct net *net) { - nfsd_stat_counters_destroy(); - svc_proc_unregister(&init_net, "nfsd"); + svc_proc_unregister(net, "nfsd"); } diff --git a/fs/nfsd/stats.h b/fs/nfsd/stats.h index 9b43dc3d99..14525e854c 100644 --- a/fs/nfsd/stats.h +++ b/fs/nfsd/stats.h @@ -10,87 +10,66 @@ #include #include - -enum { - NFSD_STATS_RC_HITS, /* repcache hits */ - NFSD_STATS_RC_MISSES, /* repcache misses */ - NFSD_STATS_RC_NOCACHE, /* uncached reqs */ - NFSD_STATS_FH_STALE, /* FH stale error */ - NFSD_STATS_IO_READ, /* bytes returned to read requests */ - NFSD_STATS_IO_WRITE, /* bytes passed in write requests */ -#ifdef CONFIG_NFSD_V4 - NFSD_STATS_FIRST_NFS4_OP, /* count of individual nfsv4 operations */ - NFSD_STATS_LAST_NFS4_OP = NFSD_STATS_FIRST_NFS4_OP + LAST_NFS4_OP, -#define NFSD_STATS_NFS4_OP(op) (NFSD_STATS_FIRST_NFS4_OP + (op)) -#endif - NFSD_STATS_COUNTERS_NUM -}; - -struct nfsd_stats { - struct percpu_counter counter[NFSD_STATS_COUNTERS_NUM]; - - atomic_t th_cnt; /* number of available threads */ -}; - -extern struct nfsd_stats nfsdstats; - -extern struct svc_stat nfsd_svcstats; - -int nfsd_percpu_counters_init(struct percpu_counter counters[], int num); -void nfsd_percpu_counters_reset(struct percpu_counter counters[], int num); -void nfsd_percpu_counters_destroy(struct percpu_counter counters[], int num); -int nfsd_stat_init(void); -void nfsd_stat_shutdown(void); - -static inline void nfsd_stats_rc_hits_inc(void) +int nfsd_percpu_counters_init(struct percpu_counter *counters, int num); +void nfsd_percpu_counters_reset(struct percpu_counter *counters, int num); +void nfsd_percpu_counters_destroy(struct percpu_counter *counters, int num); +int nfsd_stat_counters_init(struct nfsd_net *nn); +void nfsd_stat_counters_destroy(struct nfsd_net *nn); +void nfsd_proc_stat_init(struct net *net); +void nfsd_proc_stat_shutdown(struct net *net); + +static inline void nfsd_stats_rc_hits_inc(struct nfsd_net *nn) { - percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_RC_HITS]); + percpu_counter_inc(&nn->counter[NFSD_STATS_RC_HITS]); } -static inline void nfsd_stats_rc_misses_inc(void) +static inline void nfsd_stats_rc_misses_inc(struct nfsd_net *nn) { - percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_RC_MISSES]); + percpu_counter_inc(&nn->counter[NFSD_STATS_RC_MISSES]); } -static inline void nfsd_stats_rc_nocache_inc(void) +static inline void nfsd_stats_rc_nocache_inc(struct nfsd_net *nn) { - percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_RC_NOCACHE]); + percpu_counter_inc(&nn->counter[NFSD_STATS_RC_NOCACHE]); } -static inline void nfsd_stats_fh_stale_inc(struct svc_export *exp) +static inline void nfsd_stats_fh_stale_inc(struct nfsd_net *nn, + struct svc_export *exp) { - percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_FH_STALE]); - if (exp) - percpu_counter_inc(&exp->ex_stats.counter[EXP_STATS_FH_STALE]); + percpu_counter_inc(&nn->counter[NFSD_STATS_FH_STALE]); + if (exp && exp->ex_stats) + percpu_counter_inc(&exp->ex_stats->counter[EXP_STATS_FH_STALE]); } -static inline void nfsd_stats_io_read_add(struct svc_export *exp, s64 amount) +static inline void nfsd_stats_io_read_add(struct nfsd_net *nn, + struct svc_export *exp, s64 amount) { - percpu_counter_add(&nfsdstats.counter[NFSD_STATS_IO_READ], amount); - if (exp) - percpu_counter_add(&exp->ex_stats.counter[EXP_STATS_IO_READ], amount); + percpu_counter_add(&nn->counter[NFSD_STATS_IO_READ], amount); + if (exp && exp->ex_stats) + percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_READ], amount); } -static inline void nfsd_stats_io_write_add(struct svc_export *exp, s64 amount) +static inline void nfsd_stats_io_write_add(struct nfsd_net *nn, + struct svc_export *exp, s64 amount) { - percpu_counter_add(&nfsdstats.counter[NFSD_STATS_IO_WRITE], amount); - if (exp) - percpu_counter_add(&exp->ex_stats.counter[EXP_STATS_IO_WRITE], amount); + percpu_counter_add(&nn->counter[NFSD_STATS_IO_WRITE], amount); + if (exp && exp->ex_stats) + percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_WRITE], amount); } static inline void nfsd_stats_payload_misses_inc(struct nfsd_net *nn) { - percpu_counter_inc(&nn->counter[NFSD_NET_PAYLOAD_MISSES]); + percpu_counter_inc(&nn->counter[NFSD_STATS_PAYLOAD_MISSES]); } static inline void nfsd_stats_drc_mem_usage_add(struct nfsd_net *nn, s64 amount) { - percpu_counter_add(&nn->counter[NFSD_NET_DRC_MEM_USAGE], amount); + percpu_counter_add(&nn->counter[NFSD_STATS_DRC_MEM_USAGE], amount); } static inline void nfsd_stats_drc_mem_usage_sub(struct nfsd_net *nn, s64 amount) { - percpu_counter_sub(&nn->counter[NFSD_NET_DRC_MEM_USAGE], amount); + percpu_counter_sub(&nn->counter[NFSD_STATS_DRC_MEM_USAGE], amount); } #endif /* _NFSD_STATS_H */ diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index 276420ea3b..91e9921db7 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -1260,6 +1260,28 @@ TRACE_EVENT(nfsd_drc_mismatch, __entry->ingress) ); +TRACE_EVENT_CONDITION(nfsd_drc_gc, + TP_PROTO( + const struct nfsd_net *nn, + unsigned long freed + ), + TP_ARGS(nn, freed), + TP_CONDITION(freed > 0), + TP_STRUCT__entry( + __field(unsigned long long, boot_time) + __field(unsigned long, freed) + __field(int, total) + ), + TP_fast_assign( + __entry->boot_time = nn->boot_time; + __entry->freed = freed; + __entry->total = atomic_read(&nn->num_drc_entries); + ), + TP_printk("boot_time=%16llx total=%d freed=%lu", + __entry->boot_time, __entry->total, __entry->freed + ) +); + TRACE_EVENT(nfsd_cb_args, TP_PROTO( const struct nfs4_client *clp, diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 0f430548bf..e85c6f02e8 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -100,6 +100,7 @@ nfserrno (int errno) { nfserr_io, -EUCLEAN }, { nfserr_perm, -ENOKEY }, { nfserr_no_grace, -ENOGRACE}, + { nfserr_io, -EBADMSG }, }; int i; @@ -984,7 +985,9 @@ static __be32 nfsd_finish_read(struct svc_rqst *rqstp, struct svc_fh *fhp, unsigned long *count, u32 *eof, ssize_t host_err) { if (host_err >= 0) { - nfsd_stats_io_read_add(fhp->fh_export, host_err); + struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id); + + nfsd_stats_io_read_add(nn, fhp->fh_export, host_err); *eof = nfsd_eof_on_read(file, offset, host_err, *count); *count = host_err; fsnotify_access(file); @@ -1127,7 +1130,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfsd_file *nf, goto out_nfserr; } *cnt = host_err; - nfsd_stats_io_write_add(exp, *cnt); + nfsd_stats_io_write_add(nn, exp, *cnt); fsnotify_modify(file); host_err = filemap_check_wb_err(file->f_mapping, since); if (host_err < 0) diff --git a/fs/nilfs2/alloc.c b/fs/nilfs2/alloc.c index 279d945d4e..2dc5fae6a6 100644 --- a/fs/nilfs2/alloc.c +++ b/fs/nilfs2/alloc.c @@ -377,11 +377,12 @@ void *nilfs_palloc_block_get_entry(const struct inode *inode, __u64 nr, * @target: offset number of an entry in the group (start point) * @bsize: size in bits * @lock: spin lock protecting @bitmap + * @wrap: whether to wrap around */ static int nilfs_palloc_find_available_slot(unsigned char *bitmap, unsigned long target, unsigned int bsize, - spinlock_t *lock) + spinlock_t *lock, bool wrap) { int pos, end = bsize; @@ -397,6 +398,8 @@ static int nilfs_palloc_find_available_slot(unsigned char *bitmap, end = target; } + if (!wrap) + return -ENOSPC; /* wrap around */ for (pos = 0; pos < end; pos++) { @@ -495,9 +498,10 @@ int nilfs_palloc_count_max_entries(struct inode *inode, u64 nused, u64 *nmaxp) * nilfs_palloc_prepare_alloc_entry - prepare to allocate a persistent object * @inode: inode of metadata file using this allocator * @req: nilfs_palloc_req structure exchanged for the allocation + * @wrap: whether to wrap around */ int nilfs_palloc_prepare_alloc_entry(struct inode *inode, - struct nilfs_palloc_req *req) + struct nilfs_palloc_req *req, bool wrap) { struct buffer_head *desc_bh, *bitmap_bh; struct nilfs_palloc_group_desc *desc; @@ -516,7 +520,7 @@ int nilfs_palloc_prepare_alloc_entry(struct inode *inode, entries_per_group = nilfs_palloc_entries_per_group(inode); for (i = 0; i < ngroups; i += n) { - if (group >= ngroups) { + if (group >= ngroups && wrap) { /* wrap around */ group = 0; maxgroup = nilfs_palloc_group(inode, req->pr_entry_nr, @@ -541,7 +545,13 @@ int nilfs_palloc_prepare_alloc_entry(struct inode *inode, bitmap = bitmap_kaddr + bh_offset(bitmap_bh); pos = nilfs_palloc_find_available_slot( bitmap, group_offset, - entries_per_group, lock); + entries_per_group, lock, wrap); + /* + * Since the search for a free slot in the + * second and subsequent bitmap blocks always + * starts from the beginning, the wrap flag + * only has an effect on the first search. + */ if (pos >= 0) { /* found a free entry */ nilfs_palloc_group_desc_add_entries( diff --git a/fs/nilfs2/alloc.h b/fs/nilfs2/alloc.h index 0303c3968c..071fc62026 100644 --- a/fs/nilfs2/alloc.h +++ b/fs/nilfs2/alloc.h @@ -50,8 +50,8 @@ struct nilfs_palloc_req { struct buffer_head *pr_entry_bh; }; -int nilfs_palloc_prepare_alloc_entry(struct inode *, - struct nilfs_palloc_req *); +int nilfs_palloc_prepare_alloc_entry(struct inode *inode, + struct nilfs_palloc_req *req, bool wrap); void nilfs_palloc_commit_alloc_entry(struct inode *, struct nilfs_palloc_req *); void nilfs_palloc_abort_alloc_entry(struct inode *, struct nilfs_palloc_req *); diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c index 1776121677..28a7265533 100644 --- a/fs/nilfs2/btnode.c +++ b/fs/nilfs2/btnode.c @@ -51,12 +51,21 @@ nilfs_btnode_create_block(struct address_space *btnc, __u64 blocknr) bh = nilfs_grab_buffer(inode, btnc, blocknr, BIT(BH_NILFS_Node)); if (unlikely(!bh)) - return NULL; + return ERR_PTR(-ENOMEM); if (unlikely(buffer_mapped(bh) || buffer_uptodate(bh) || buffer_dirty(bh))) { - brelse(bh); - BUG(); + /* + * The block buffer at the specified new address was already + * in use. This can happen if it is a virtual block number + * and has been reallocated due to corruption of the bitmap + * used to manage its allocation state (if not, the buffer + * clearing of an abandoned b-tree node is missing somewhere). + */ + nilfs_error(inode->i_sb, + "state inconsistency probably due to duplicate use of b-tree node block address %llu (ino=%lu)", + (unsigned long long)blocknr, inode->i_ino); + goto failed; } memset(bh->b_data, 0, i_blocksize(inode)); bh->b_bdev = inode->i_sb->s_bdev; @@ -67,6 +76,12 @@ nilfs_btnode_create_block(struct address_space *btnc, __u64 blocknr) unlock_page(bh->b_page); put_page(bh->b_page); return bh; + +failed: + unlock_page(bh->b_page); + put_page(bh->b_page); + brelse(bh); + return ERR_PTR(-EIO); } int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr, @@ -217,8 +232,8 @@ int nilfs_btnode_prepare_change_key(struct address_space *btnc, } nbh = nilfs_btnode_create_block(btnc, newkey); - if (!nbh) - return -ENOMEM; + if (IS_ERR(nbh)) + return PTR_ERR(nbh); BUG_ON(nbh == obh); ctxt->newbh = nbh; diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c index 385ec71fcd..29f967fb7e 100644 --- a/fs/nilfs2/btree.c +++ b/fs/nilfs2/btree.c @@ -63,8 +63,8 @@ static int nilfs_btree_get_new_block(const struct nilfs_bmap *btree, struct buffer_head *bh; bh = nilfs_btnode_create_block(btnc, ptr); - if (!bh) - return -ENOMEM; + if (IS_ERR(bh)) + return PTR_ERR(bh); set_buffer_nilfs_volatile(bh); *bhp = bh; @@ -350,7 +350,7 @@ static int nilfs_btree_node_broken(const struct nilfs_btree_node *node, if (unlikely(level < NILFS_BTREE_LEVEL_NODE_MIN || level >= NILFS_BTREE_LEVEL_MAX || (flags & NILFS_BTREE_NODE_ROOT) || - nchildren < 0 || + nchildren <= 0 || nchildren > NILFS_BTREE_NODE_NCHILDREN_MAX(size))) { nilfs_crit(inode->i_sb, "bad btree node (ino=%lu, blocknr=%llu): level = %d, flags = 0x%x, nchildren = %d", @@ -381,7 +381,8 @@ static int nilfs_btree_root_broken(const struct nilfs_btree_node *node, if (unlikely(level < NILFS_BTREE_LEVEL_NODE_MIN || level >= NILFS_BTREE_LEVEL_MAX || nchildren < 0 || - nchildren > NILFS_BTREE_ROOT_NCHILDREN_MAX)) { + nchildren > NILFS_BTREE_ROOT_NCHILDREN_MAX || + (nchildren == 0 && level > NILFS_BTREE_LEVEL_NODE_MIN))) { nilfs_crit(inode->i_sb, "bad btree root (ino=%lu): level = %d, flags = 0x%x, nchildren = %d", inode->i_ino, level, flags, nchildren); @@ -1658,13 +1659,16 @@ static int nilfs_btree_check_delete(struct nilfs_bmap *btree, __u64 key) int nchildren, ret; root = nilfs_btree_get_root(btree); + nchildren = nilfs_btree_node_get_nchildren(root); + if (unlikely(nchildren == 0)) + return 0; + switch (nilfs_btree_height(btree)) { case 2: bh = NULL; node = root; break; case 3: - nchildren = nilfs_btree_node_get_nchildren(root); if (nchildren > 1) return 0; ptr = nilfs_btree_node_get_ptr(root, nchildren - 1, @@ -1673,12 +1677,12 @@ static int nilfs_btree_check_delete(struct nilfs_bmap *btree, __u64 key) if (ret < 0) return ret; node = (struct nilfs_btree_node *)bh->b_data; + nchildren = nilfs_btree_node_get_nchildren(node); break; default: return 0; } - nchildren = nilfs_btree_node_get_nchildren(node); maxkey = nilfs_btree_node_get_key(node, nchildren - 1); nextmaxkey = (nchildren > 1) ? nilfs_btree_node_get_key(node, nchildren - 2) : 0; diff --git a/fs/nilfs2/dat.c b/fs/nilfs2/dat.c index 22b1ca5c37..9b63cc42ca 100644 --- a/fs/nilfs2/dat.c +++ b/fs/nilfs2/dat.c @@ -75,7 +75,7 @@ int nilfs_dat_prepare_alloc(struct inode *dat, struct nilfs_palloc_req *req) { int ret; - ret = nilfs_palloc_prepare_alloc_entry(dat, req); + ret = nilfs_palloc_prepare_alloc_entry(dat, req, true); if (ret < 0) return ret; diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c index eb7de9e2a3..365cae5c3e 100644 --- a/fs/nilfs2/dir.c +++ b/fs/nilfs2/dir.c @@ -143,6 +143,9 @@ static bool nilfs_check_page(struct page *page) goto Enamelen; if (((offs + rec_len - 1) ^ offs) & ~(chunk_size-1)) goto Espan; + if (unlikely(p->inode && + NILFS_PRIVATE_INODE(le64_to_cpu(p->inode)))) + goto Einumber; } if (offs != limit) goto Eend; @@ -168,6 +171,9 @@ static bool nilfs_check_page(struct page *page) goto bad_entry; Espan: error = "directory entry across blocks"; + goto bad_entry; +Einumber: + error = "disallowed inode number"; bad_entry: nilfs_error(sb, "bad entry in directory #%lu: %s - offset=%lu, inode=%lu, rec_len=%d, name_len=%d", @@ -186,19 +192,24 @@ static bool nilfs_check_page(struct page *page) return false; } -static struct page *nilfs_get_page(struct inode *dir, unsigned long n) +static void *nilfs_get_page(struct inode *dir, unsigned long n, + struct page **pagep) { struct address_space *mapping = dir->i_mapping; struct page *page = read_mapping_page(mapping, n, NULL); + void *kaddr; - if (!IS_ERR(page)) { - kmap(page); - if (unlikely(!PageChecked(page))) { - if (PageError(page) || !nilfs_check_page(page)) - goto fail; - } + if (IS_ERR(page)) + return page; + + kaddr = kmap(page); + if (unlikely(!PageChecked(page))) { + if (!nilfs_check_page(page)) + goto fail; } - return page; + + *pagep = page; + return kaddr; fail: nilfs_put_page(page); @@ -275,14 +286,14 @@ static int nilfs_readdir(struct file *file, struct dir_context *ctx) for ( ; n < npages; n++, offset = 0) { char *kaddr, *limit; struct nilfs_dir_entry *de; - struct page *page = nilfs_get_page(inode, n); + struct page *page; - if (IS_ERR(page)) { + kaddr = nilfs_get_page(inode, n, &page); + if (IS_ERR(kaddr)) { nilfs_error(sb, "bad page in #%lu", inode->i_ino); ctx->pos += PAGE_SIZE - offset; return -EIO; } - kaddr = page_address(page); de = (struct nilfs_dir_entry *)(kaddr + offset); limit = kaddr + nilfs_last_byte(inode, n) - NILFS_DIR_REC_LEN(1); @@ -320,6 +331,8 @@ static int nilfs_readdir(struct file *file, struct dir_context *ctx) * returns the page in which the entry was found, and the entry itself * (as a parameter - res_dir). Page is returned mapped and unlocked. * Entry is guaranteed to be valid. + * + * On failure, returns an error pointer and the caller should ignore res_page. */ struct nilfs_dir_entry * nilfs_find_entry(struct inode *dir, const struct qstr *qstr, @@ -345,26 +358,26 @@ nilfs_find_entry(struct inode *dir, const struct qstr *qstr, start = 0; n = start; do { - char *kaddr; + char *kaddr = nilfs_get_page(dir, n, &page); - page = nilfs_get_page(dir, n); - if (!IS_ERR(page)) { - kaddr = page_address(page); - de = (struct nilfs_dir_entry *)kaddr; - kaddr += nilfs_last_byte(dir, n) - reclen; - while ((char *) de <= kaddr) { - if (de->rec_len == 0) { - nilfs_error(dir->i_sb, - "zero-length directory entry"); - nilfs_put_page(page); - goto out; - } - if (nilfs_match(namelen, name, de)) - goto found; - de = nilfs_next_entry(de); + if (IS_ERR(kaddr)) + return ERR_CAST(kaddr); + + de = (struct nilfs_dir_entry *)kaddr; + kaddr += nilfs_last_byte(dir, n) - reclen; + while ((char *)de <= kaddr) { + if (de->rec_len == 0) { + nilfs_error(dir->i_sb, + "zero-length directory entry"); + nilfs_put_page(page); + goto out; } - nilfs_put_page(page); + if (nilfs_match(namelen, name, de)) + goto found; + de = nilfs_next_entry(de); } + nilfs_put_page(page); + if (++n >= npages) n = 0; /* next page is past the blocks we've got */ @@ -377,7 +390,7 @@ nilfs_find_entry(struct inode *dir, const struct qstr *qstr, } } while (n != start); out: - return NULL; + return ERR_PTR(-ENOENT); found: *res_page = page; @@ -387,30 +400,54 @@ nilfs_find_entry(struct inode *dir, const struct qstr *qstr, struct nilfs_dir_entry *nilfs_dotdot(struct inode *dir, struct page **p) { - struct page *page = nilfs_get_page(dir, 0); - struct nilfs_dir_entry *de = NULL; + struct page *page; + struct nilfs_dir_entry *de, *next_de; + size_t limit; + char *msg; + + de = nilfs_get_page(dir, 0, &page); + if (IS_ERR(de)) + return NULL; + + limit = nilfs_last_byte(dir, 0); /* is a multiple of chunk size */ + if (unlikely(!limit || le64_to_cpu(de->inode) != dir->i_ino || + !nilfs_match(1, ".", de))) { + msg = "missing '.'"; + goto fail; + } - if (!IS_ERR(page)) { - de = nilfs_next_entry( - (struct nilfs_dir_entry *)page_address(page)); - *p = page; + next_de = nilfs_next_entry(de); + /* + * If "next_de" has not reached the end of the chunk, there is + * at least one more record. Check whether it matches "..". + */ + if (unlikely((char *)next_de == (char *)de + nilfs_chunk_size(dir) || + !nilfs_match(2, "..", next_de))) { + msg = "missing '..'"; + goto fail; } - return de; + *p = page; + return next_de; + +fail: + nilfs_error(dir->i_sb, "directory #%lu %s", dir->i_ino, msg); + nilfs_put_page(page); + return NULL; } -ino_t nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr) +int nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr, ino_t *ino) { - ino_t res = 0; struct nilfs_dir_entry *de; struct page *page; de = nilfs_find_entry(dir, qstr, &page); - if (de) { - res = le64_to_cpu(de->inode); - kunmap(page); - put_page(page); - } - return res; + if (IS_ERR(de)) + return PTR_ERR(de); + + *ino = le64_to_cpu(de->inode); + kunmap(page); + put_page(page); + return 0; } /* Releases the page */ @@ -459,12 +496,11 @@ int nilfs_add_link(struct dentry *dentry, struct inode *inode) for (n = 0; n <= npages; n++) { char *dir_end; - page = nilfs_get_page(dir, n); - err = PTR_ERR(page); - if (IS_ERR(page)) + kaddr = nilfs_get_page(dir, n, &page); + err = PTR_ERR(kaddr); + if (IS_ERR(kaddr)) goto out; lock_page(page); - kaddr = page_address(page); dir_end = kaddr + nilfs_last_byte(dir, n); de = (struct nilfs_dir_entry *)kaddr; kaddr += PAGE_SIZE - reclen; @@ -627,11 +663,10 @@ int nilfs_empty_dir(struct inode *inode) char *kaddr; struct nilfs_dir_entry *de; - page = nilfs_get_page(inode, i); - if (IS_ERR(page)) - continue; + kaddr = nilfs_get_page(inode, i, &page); + if (IS_ERR(kaddr)) + return 0; - kaddr = page_address(page); de = (struct nilfs_dir_entry *)kaddr; kaddr += nilfs_last_byte(inode, i) - NILFS_DIR_REC_LEN(1); diff --git a/fs/nilfs2/ifile.c b/fs/nilfs2/ifile.c index 02727ed3a7..9ee8d006f1 100644 --- a/fs/nilfs2/ifile.c +++ b/fs/nilfs2/ifile.c @@ -55,13 +55,10 @@ int nilfs_ifile_create_inode(struct inode *ifile, ino_t *out_ino, struct nilfs_palloc_req req; int ret; - req.pr_entry_nr = 0; /* - * 0 says find free inode from beginning - * of a group. dull code!! - */ + req.pr_entry_nr = NILFS_FIRST_INO(ifile->i_sb); req.pr_entry_bh = NULL; - ret = nilfs_palloc_prepare_alloc_entry(ifile, &req); + ret = nilfs_palloc_prepare_alloc_entry(ifile, &req, false); if (!ret) { ret = nilfs_palloc_get_entry_block(ifile, req.pr_entry_nr, 1, &req.pr_entry_bh); diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c index 91eebeb0c4..e7596701f1 100644 --- a/fs/nilfs2/namei.c +++ b/fs/nilfs2/namei.c @@ -55,12 +55,20 @@ nilfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct inode *inode; ino_t ino; + int res; if (dentry->d_name.len > NILFS_NAME_LEN) return ERR_PTR(-ENAMETOOLONG); - ino = nilfs_inode_by_name(dir, &dentry->d_name); - inode = ino ? nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino) : NULL; + res = nilfs_inode_by_name(dir, &dentry->d_name, &ino); + if (res) { + if (res != -ENOENT) + return ERR_PTR(res); + inode = NULL; + } else { + inode = nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino); + } + return d_splice_alias(inode, dentry); } @@ -149,6 +157,9 @@ static int nilfs_symlink(struct user_namespace *mnt_userns, struct inode *dir, /* slow symlink */ inode->i_op = &nilfs_symlink_inode_operations; inode_nohighmem(inode); + mapping_set_gfp_mask(inode->i_mapping, + mapping_gfp_constraint(inode->i_mapping, + ~__GFP_FS)); inode->i_mapping->a_ops = &nilfs_aops; err = page_symlink(inode, symname, l); if (err) @@ -263,10 +274,11 @@ static int nilfs_do_unlink(struct inode *dir, struct dentry *dentry) struct page *page; int err; - err = -ENOENT; de = nilfs_find_entry(dir, &dentry->d_name, &page); - if (!de) + if (IS_ERR(de)) { + err = PTR_ERR(de); goto out; + } inode = d_inode(dentry); err = -EIO; @@ -361,10 +373,11 @@ static int nilfs_rename(struct user_namespace *mnt_userns, if (unlikely(err)) return err; - err = -ENOENT; old_de = nilfs_find_entry(old_dir, &old_dentry->d_name, &old_page); - if (!old_de) + if (IS_ERR(old_de)) { + err = PTR_ERR(old_de); goto out; + } if (S_ISDIR(old_inode->i_mode)) { err = -EIO; @@ -381,10 +394,12 @@ static int nilfs_rename(struct user_namespace *mnt_userns, if (dir_de && !nilfs_empty_dir(new_inode)) goto out_dir; - err = -ENOENT; - new_de = nilfs_find_entry(new_dir, &new_dentry->d_name, &new_page); - if (!new_de) + new_de = nilfs_find_entry(new_dir, &new_dentry->d_name, + &new_page); + if (IS_ERR(new_de)) { + err = PTR_ERR(new_de); goto out_dir; + } nilfs_set_link(new_dir, new_de, new_page, old_inode); nilfs_mark_inode_dirty(new_dir); new_inode->i_ctime = current_time(new_inode); @@ -438,13 +453,14 @@ static int nilfs_rename(struct user_namespace *mnt_userns, */ static struct dentry *nilfs_get_parent(struct dentry *child) { - unsigned long ino; + ino_t ino; + int res; struct inode *inode; struct nilfs_root *root; - ino = nilfs_inode_by_name(d_inode(child), &dotdot_name); - if (!ino) - return ERR_PTR(-ENOENT); + res = nilfs_inode_by_name(d_inode(child), &dotdot_name, &ino); + if (res) + return ERR_PTR(res); root = NILFS_I(d_inode(child))->i_root; diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h index aceb8aadca..935fb5234c 100644 --- a/fs/nilfs2/nilfs.h +++ b/fs/nilfs2/nilfs.h @@ -116,9 +116,15 @@ enum { #define NILFS_FIRST_INO(sb) (((struct the_nilfs *)sb->s_fs_info)->ns_first_ino) #define NILFS_MDT_INODE(sb, ino) \ - ((ino) < NILFS_FIRST_INO(sb) && (NILFS_MDT_INO_BITS & BIT(ino))) + ((ino) < NILFS_USER_INO && (NILFS_MDT_INO_BITS & BIT(ino))) #define NILFS_VALID_INODE(sb, ino) \ - ((ino) >= NILFS_FIRST_INO(sb) || (NILFS_SYS_INO_BITS & BIT(ino))) + ((ino) >= NILFS_FIRST_INO(sb) || \ + ((ino) < NILFS_USER_INO && (NILFS_SYS_INO_BITS & BIT(ino)))) + +#define NILFS_PRIVATE_INODE(ino) ({ \ + ino_t __ino = (ino); \ + ((__ino) < NILFS_USER_INO && (__ino) != NILFS_ROOT_INO && \ + (__ino) != NILFS_SKETCH_INO); }) /** * struct nilfs_transaction_info: context information for synchronization @@ -227,7 +233,7 @@ static inline __u32 nilfs_mask_flags(umode_t mode, __u32 flags) /* dir.c */ extern int nilfs_add_link(struct dentry *, struct inode *); -extern ino_t nilfs_inode_by_name(struct inode *, const struct qstr *); +int nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr, ino_t *ino); extern int nilfs_make_empty(struct inode *, struct inode *); extern struct nilfs_dir_entry * nilfs_find_entry(struct inode *, const struct qstr *, struct page **); diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c index 81992b9a21..7adf74b525 100644 --- a/fs/nilfs2/page.c +++ b/fs/nilfs2/page.c @@ -77,7 +77,8 @@ void nilfs_forget_buffer(struct buffer_head *bh) const unsigned long clear_bits = (BIT(BH_Uptodate) | BIT(BH_Dirty) | BIT(BH_Mapped) | BIT(BH_Async_Write) | BIT(BH_NILFS_Volatile) | - BIT(BH_NILFS_Checked) | BIT(BH_NILFS_Redirected)); + BIT(BH_NILFS_Checked) | BIT(BH_NILFS_Redirected) | + BIT(BH_Delay)); lock_buffer(bh); set_mask_bits(&bh->b_state, clear_bits, 0); @@ -403,13 +404,15 @@ void nilfs_clear_dirty_page(struct page *page, bool silent) ClearPageUptodate(page); ClearPageMappedToDisk(page); + ClearPageChecked(page); if (page_has_buffers(page)) { struct buffer_head *bh, *head; const unsigned long clear_bits = (BIT(BH_Uptodate) | BIT(BH_Dirty) | BIT(BH_Mapped) | BIT(BH_Async_Write) | BIT(BH_NILFS_Volatile) | - BIT(BH_NILFS_Checked) | BIT(BH_NILFS_Redirected)); + BIT(BH_NILFS_Checked) | BIT(BH_NILFS_Redirected) | + BIT(BH_Delay)); bh = head = page_buffers(page); do { diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c index 188b8cc52e..33c4a97519 100644 --- a/fs/nilfs2/recovery.c +++ b/fs/nilfs2/recovery.c @@ -708,6 +708,33 @@ static void nilfs_finish_roll_forward(struct the_nilfs *nilfs, brelse(bh); } +/** + * nilfs_abort_roll_forward - cleaning up after a failed rollforward recovery + * @nilfs: nilfs object + */ +static void nilfs_abort_roll_forward(struct the_nilfs *nilfs) +{ + struct nilfs_inode_info *ii, *n; + LIST_HEAD(head); + + /* Abandon inodes that have read recovery data */ + spin_lock(&nilfs->ns_inode_lock); + list_splice_init(&nilfs->ns_dirty_files, &head); + spin_unlock(&nilfs->ns_inode_lock); + if (list_empty(&head)) + return; + + set_nilfs_purging(nilfs); + list_for_each_entry_safe(ii, n, &head, i_dirty) { + spin_lock(&nilfs->ns_inode_lock); + list_del_init(&ii->i_dirty); + spin_unlock(&nilfs->ns_inode_lock); + + iput(&ii->vfs_inode); + } + clear_nilfs_purging(nilfs); +} + /** * nilfs_salvage_orphan_logs - salvage logs written after the latest checkpoint * @nilfs: nilfs object @@ -766,15 +793,19 @@ int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs, if (unlikely(err)) { nilfs_err(sb, "error %d writing segment for recovery", err); - goto failed; + goto put_root; } nilfs_finish_roll_forward(nilfs, ri); } - failed: +put_root: nilfs_put_root(root); return err; + +failed: + nilfs_abort_roll_forward(nilfs); + goto put_root; } /** diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 1a5f2daa4a..75fd6e86f1 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -136,7 +136,7 @@ static void nilfs_dispose_list(struct the_nilfs *, struct list_head *, int); #define nilfs_cnt32_ge(a, b) \ (typecheck(__u32, a) && typecheck(__u32, b) && \ - ((__s32)(a) - (__s32)(b) >= 0)) + ((__s32)((a) - (b)) >= 0)) static int nilfs_prepare_segment_lock(struct super_block *sb, struct nilfs_transaction_info *ti) @@ -1692,6 +1692,7 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci) if (bh->b_page != bd_page) { if (bd_page) { lock_page(bd_page); + wait_on_page_writeback(bd_page); clear_page_dirty_for_io(bd_page); set_page_writeback(bd_page); unlock_page(bd_page); @@ -1705,6 +1706,7 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci) if (bh == segbuf->sb_super_root) { if (bh->b_page != bd_page) { lock_page(bd_page); + wait_on_page_writeback(bd_page); clear_page_dirty_for_io(bd_page); set_page_writeback(bd_page); unlock_page(bd_page); @@ -1721,6 +1723,7 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci) } if (bd_page) { lock_page(bd_page); + wait_on_page_writeback(bd_page); clear_page_dirty_for_io(bd_page); set_page_writeback(bd_page); unlock_page(bd_page); @@ -1830,6 +1833,9 @@ static void nilfs_segctor_abort_construction(struct nilfs_sc_info *sci, nilfs_abort_logs(&logs, ret ? : err); list_splice_tail_init(&sci->sc_segbufs, &logs); + if (list_empty(&logs)) + return; /* if the first segment buffer preparation failed */ + nilfs_cancel_segusage(&logs, nilfs->ns_sufile); nilfs_free_incomplete_logs(&logs, nilfs); @@ -2074,7 +2080,7 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode) err = nilfs_segctor_begin_construction(sci, nilfs); if (unlikely(err)) - goto out; + goto failed; /* Update time stamp */ sci->sc_seg_ctime = ktime_get_real_seconds(); @@ -2137,10 +2143,9 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode) return err; failed_to_write: - if (sci->sc_stage.flags & NILFS_CF_IFILE_STARTED) - nilfs_redirty_inodes(&sci->sc_dirty_files); - failed: + if (mode == SC_LSEG_SR && nilfs_sc_cstage_get(sci) >= NILFS_ST_IFILE) + nilfs_redirty_inodes(&sci->sc_dirty_files); if (nilfs_doing_gc()) nilfs_redirty_inodes(&sci->sc_gc_inodes); nilfs_segctor_abort_construction(sci, nilfs, err); diff --git a/fs/nilfs2/sysfs.c b/fs/nilfs2/sysfs.c index 62f8a7ac19..453b8efe01 100644 --- a/fs/nilfs2/sysfs.c +++ b/fs/nilfs2/sysfs.c @@ -95,7 +95,7 @@ static ssize_t nilfs_snapshot_inodes_count_show(struct nilfs_snapshot_attr *attr, struct nilfs_root *root, char *buf) { - return snprintf(buf, PAGE_SIZE, "%llu\n", + return sysfs_emit(buf, "%llu\n", (unsigned long long)atomic64_read(&root->inodes_count)); } @@ -103,7 +103,7 @@ static ssize_t nilfs_snapshot_blocks_count_show(struct nilfs_snapshot_attr *attr, struct nilfs_root *root, char *buf) { - return snprintf(buf, PAGE_SIZE, "%llu\n", + return sysfs_emit(buf, "%llu\n", (unsigned long long)atomic64_read(&root->blocks_count)); } @@ -116,7 +116,7 @@ static ssize_t nilfs_snapshot_README_show(struct nilfs_snapshot_attr *attr, struct nilfs_root *root, char *buf) { - return snprintf(buf, PAGE_SIZE, snapshot_readme_str); + return sysfs_emit(buf, snapshot_readme_str); } NILFS_SNAPSHOT_RO_ATTR(inodes_count); @@ -217,7 +217,7 @@ static ssize_t nilfs_mounted_snapshots_README_show(struct nilfs_mounted_snapshots_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, mounted_snapshots_readme_str); + return sysfs_emit(buf, mounted_snapshots_readme_str); } NILFS_MOUNTED_SNAPSHOTS_RO_ATTR(README); @@ -255,7 +255,7 @@ nilfs_checkpoints_checkpoints_number_show(struct nilfs_checkpoints_attr *attr, ncheckpoints = cpstat.cs_ncps; - return snprintf(buf, PAGE_SIZE, "%llu\n", ncheckpoints); + return sysfs_emit(buf, "%llu\n", ncheckpoints); } static ssize_t @@ -278,7 +278,7 @@ nilfs_checkpoints_snapshots_number_show(struct nilfs_checkpoints_attr *attr, nsnapshots = cpstat.cs_nsss; - return snprintf(buf, PAGE_SIZE, "%llu\n", nsnapshots); + return sysfs_emit(buf, "%llu\n", nsnapshots); } static ssize_t @@ -292,7 +292,7 @@ nilfs_checkpoints_last_seg_checkpoint_show(struct nilfs_checkpoints_attr *attr, last_cno = nilfs->ns_last_cno; spin_unlock(&nilfs->ns_last_segment_lock); - return snprintf(buf, PAGE_SIZE, "%llu\n", last_cno); + return sysfs_emit(buf, "%llu\n", last_cno); } static ssize_t @@ -306,7 +306,7 @@ nilfs_checkpoints_next_checkpoint_show(struct nilfs_checkpoints_attr *attr, cno = nilfs->ns_cno; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", cno); + return sysfs_emit(buf, "%llu\n", cno); } static const char checkpoints_readme_str[] = @@ -322,7 +322,7 @@ static ssize_t nilfs_checkpoints_README_show(struct nilfs_checkpoints_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, checkpoints_readme_str); + return sysfs_emit(buf, checkpoints_readme_str); } NILFS_CHECKPOINTS_RO_ATTR(checkpoints_number); @@ -353,7 +353,7 @@ nilfs_segments_segments_number_show(struct nilfs_segments_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, "%lu\n", nilfs->ns_nsegments); + return sysfs_emit(buf, "%lu\n", nilfs->ns_nsegments); } static ssize_t @@ -361,7 +361,7 @@ nilfs_segments_blocks_per_segment_show(struct nilfs_segments_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, "%lu\n", nilfs->ns_blocks_per_segment); + return sysfs_emit(buf, "%lu\n", nilfs->ns_blocks_per_segment); } static ssize_t @@ -375,7 +375,7 @@ nilfs_segments_clean_segments_show(struct nilfs_segments_attr *attr, ncleansegs = nilfs_sufile_get_ncleansegs(nilfs->ns_sufile); up_read(&NILFS_MDT(nilfs->ns_dat)->mi_sem); - return snprintf(buf, PAGE_SIZE, "%lu\n", ncleansegs); + return sysfs_emit(buf, "%lu\n", ncleansegs); } static ssize_t @@ -395,7 +395,7 @@ nilfs_segments_dirty_segments_show(struct nilfs_segments_attr *attr, return err; } - return snprintf(buf, PAGE_SIZE, "%llu\n", sustat.ss_ndirtysegs); + return sysfs_emit(buf, "%llu\n", sustat.ss_ndirtysegs); } static const char segments_readme_str[] = @@ -411,7 +411,7 @@ nilfs_segments_README_show(struct nilfs_segments_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, segments_readme_str); + return sysfs_emit(buf, segments_readme_str); } NILFS_SEGMENTS_RO_ATTR(segments_number); @@ -448,7 +448,7 @@ nilfs_segctor_last_pseg_block_show(struct nilfs_segctor_attr *attr, last_pseg = nilfs->ns_last_pseg; spin_unlock(&nilfs->ns_last_segment_lock); - return snprintf(buf, PAGE_SIZE, "%llu\n", + return sysfs_emit(buf, "%llu\n", (unsigned long long)last_pseg); } @@ -463,7 +463,7 @@ nilfs_segctor_last_seg_sequence_show(struct nilfs_segctor_attr *attr, last_seq = nilfs->ns_last_seq; spin_unlock(&nilfs->ns_last_segment_lock); - return snprintf(buf, PAGE_SIZE, "%llu\n", last_seq); + return sysfs_emit(buf, "%llu\n", last_seq); } static ssize_t @@ -477,7 +477,7 @@ nilfs_segctor_last_seg_checkpoint_show(struct nilfs_segctor_attr *attr, last_cno = nilfs->ns_last_cno; spin_unlock(&nilfs->ns_last_segment_lock); - return snprintf(buf, PAGE_SIZE, "%llu\n", last_cno); + return sysfs_emit(buf, "%llu\n", last_cno); } static ssize_t @@ -491,7 +491,7 @@ nilfs_segctor_current_seg_sequence_show(struct nilfs_segctor_attr *attr, seg_seq = nilfs->ns_seg_seq; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", seg_seq); + return sysfs_emit(buf, "%llu\n", seg_seq); } static ssize_t @@ -505,7 +505,7 @@ nilfs_segctor_current_last_full_seg_show(struct nilfs_segctor_attr *attr, segnum = nilfs->ns_segnum; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", segnum); + return sysfs_emit(buf, "%llu\n", segnum); } static ssize_t @@ -519,7 +519,7 @@ nilfs_segctor_next_full_seg_show(struct nilfs_segctor_attr *attr, nextnum = nilfs->ns_nextnum; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", nextnum); + return sysfs_emit(buf, "%llu\n", nextnum); } static ssize_t @@ -533,7 +533,7 @@ nilfs_segctor_next_pseg_offset_show(struct nilfs_segctor_attr *attr, pseg_offset = nilfs->ns_pseg_offset; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%lu\n", pseg_offset); + return sysfs_emit(buf, "%lu\n", pseg_offset); } static ssize_t @@ -547,7 +547,7 @@ nilfs_segctor_next_checkpoint_show(struct nilfs_segctor_attr *attr, cno = nilfs->ns_cno; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", cno); + return sysfs_emit(buf, "%llu\n", cno); } static ssize_t @@ -575,7 +575,7 @@ nilfs_segctor_last_seg_write_time_secs_show(struct nilfs_segctor_attr *attr, ctime = nilfs->ns_ctime; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", ctime); + return sysfs_emit(buf, "%llu\n", ctime); } static ssize_t @@ -603,7 +603,7 @@ nilfs_segctor_last_nongc_write_time_secs_show(struct nilfs_segctor_attr *attr, nongc_ctime = nilfs->ns_nongc_ctime; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", nongc_ctime); + return sysfs_emit(buf, "%llu\n", nongc_ctime); } static ssize_t @@ -617,7 +617,7 @@ nilfs_segctor_dirty_data_blocks_count_show(struct nilfs_segctor_attr *attr, ndirtyblks = atomic_read(&nilfs->ns_ndirtyblks); up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%u\n", ndirtyblks); + return sysfs_emit(buf, "%u\n", ndirtyblks); } static const char segctor_readme_str[] = @@ -654,7 +654,7 @@ static ssize_t nilfs_segctor_README_show(struct nilfs_segctor_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, segctor_readme_str); + return sysfs_emit(buf, segctor_readme_str); } NILFS_SEGCTOR_RO_ATTR(last_pseg_block); @@ -723,7 +723,7 @@ nilfs_superblock_sb_write_time_secs_show(struct nilfs_superblock_attr *attr, sbwtime = nilfs->ns_sbwtime; up_read(&nilfs->ns_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", sbwtime); + return sysfs_emit(buf, "%llu\n", sbwtime); } static ssize_t @@ -737,7 +737,7 @@ nilfs_superblock_sb_write_count_show(struct nilfs_superblock_attr *attr, sbwcount = nilfs->ns_sbwcount; up_read(&nilfs->ns_sem); - return snprintf(buf, PAGE_SIZE, "%u\n", sbwcount); + return sysfs_emit(buf, "%u\n", sbwcount); } static ssize_t @@ -751,7 +751,7 @@ nilfs_superblock_sb_update_frequency_show(struct nilfs_superblock_attr *attr, sb_update_freq = nilfs->ns_sb_update_freq; up_read(&nilfs->ns_sem); - return snprintf(buf, PAGE_SIZE, "%u\n", sb_update_freq); + return sysfs_emit(buf, "%u\n", sb_update_freq); } static ssize_t @@ -799,7 +799,7 @@ static ssize_t nilfs_superblock_README_show(struct nilfs_superblock_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, sb_readme_str); + return sysfs_emit(buf, sb_readme_str); } NILFS_SUPERBLOCK_RO_ATTR(sb_write_time); @@ -830,11 +830,17 @@ ssize_t nilfs_dev_revision_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - struct nilfs_super_block **sbp = nilfs->ns_sbp; - u32 major = le32_to_cpu(sbp[0]->s_rev_level); - u16 minor = le16_to_cpu(sbp[0]->s_minor_rev_level); + struct nilfs_super_block *raw_sb; + u32 major; + u16 minor; - return snprintf(buf, PAGE_SIZE, "%d.%d\n", major, minor); + down_read(&nilfs->ns_sem); + raw_sb = nilfs->ns_sbp[0]; + major = le32_to_cpu(raw_sb->s_rev_level); + minor = le16_to_cpu(raw_sb->s_minor_rev_level); + up_read(&nilfs->ns_sem); + + return sysfs_emit(buf, "%d.%d\n", major, minor); } static @@ -842,7 +848,7 @@ ssize_t nilfs_dev_blocksize_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, "%u\n", nilfs->ns_blocksize); + return sysfs_emit(buf, "%u\n", nilfs->ns_blocksize); } static @@ -850,10 +856,15 @@ ssize_t nilfs_dev_device_size_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - struct nilfs_super_block **sbp = nilfs->ns_sbp; - u64 dev_size = le64_to_cpu(sbp[0]->s_dev_size); + struct nilfs_super_block *raw_sb; + u64 dev_size; + + down_read(&nilfs->ns_sem); + raw_sb = nilfs->ns_sbp[0]; + dev_size = le64_to_cpu(raw_sb->s_dev_size); + up_read(&nilfs->ns_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", dev_size); + return sysfs_emit(buf, "%llu\n", dev_size); } static @@ -864,7 +875,7 @@ ssize_t nilfs_dev_free_blocks_show(struct nilfs_dev_attr *attr, sector_t free_blocks = 0; nilfs_count_free_blocks(nilfs, &free_blocks); - return snprintf(buf, PAGE_SIZE, "%llu\n", + return sysfs_emit(buf, "%llu\n", (unsigned long long)free_blocks); } @@ -873,9 +884,15 @@ ssize_t nilfs_dev_uuid_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - struct nilfs_super_block **sbp = nilfs->ns_sbp; + struct nilfs_super_block *raw_sb; + ssize_t len; - return snprintf(buf, PAGE_SIZE, "%pUb\n", sbp[0]->s_uuid); + down_read(&nilfs->ns_sem); + raw_sb = nilfs->ns_sbp[0]; + len = sysfs_emit(buf, "%pUb\n", raw_sb->s_uuid); + up_read(&nilfs->ns_sem); + + return len; } static @@ -883,10 +900,16 @@ ssize_t nilfs_dev_volume_name_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - struct nilfs_super_block **sbp = nilfs->ns_sbp; + struct nilfs_super_block *raw_sb; + ssize_t len; + + down_read(&nilfs->ns_sem); + raw_sb = nilfs->ns_sbp[0]; + len = scnprintf(buf, sizeof(raw_sb->s_volume_name), "%s\n", + raw_sb->s_volume_name); + up_read(&nilfs->ns_sem); - return scnprintf(buf, sizeof(sbp[0]->s_volume_name), "%s\n", - sbp[0]->s_volume_name); + return len; } static const char dev_readme_str[] = @@ -903,7 +926,7 @@ static ssize_t nilfs_dev_README_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, dev_readme_str); + return sysfs_emit(buf, dev_readme_str); } NILFS_DEV_RO_ATTR(revision); @@ -1047,7 +1070,7 @@ void nilfs_sysfs_delete_device_group(struct the_nilfs *nilfs) static ssize_t nilfs_feature_revision_show(struct kobject *kobj, struct attribute *attr, char *buf) { - return snprintf(buf, PAGE_SIZE, "%d.%d\n", + return sysfs_emit(buf, "%d.%d\n", NILFS_CURRENT_REV, NILFS_MINOR_REV); } @@ -1060,7 +1083,7 @@ static ssize_t nilfs_feature_README_show(struct kobject *kobj, struct attribute *attr, char *buf) { - return snprintf(buf, PAGE_SIZE, features_readme_str); + return sysfs_emit(buf, features_readme_str); } NILFS_FEATURE_RO_ATTR(revision); diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c index a07e20147a..79f36e3b97 100644 --- a/fs/nilfs2/the_nilfs.c +++ b/fs/nilfs2/the_nilfs.c @@ -452,6 +452,12 @@ static int nilfs_store_disk_layout(struct the_nilfs *nilfs, } nilfs->ns_first_ino = le32_to_cpu(sbp->s_first_ino); + if (nilfs->ns_first_ino < NILFS_USER_INO) { + nilfs_err(nilfs->ns_sb, + "too small lower limit for non-reserved inode numbers: %u", + nilfs->ns_first_ino); + return -EINVAL; + } nilfs->ns_blocks_per_segment = le32_to_cpu(sbp->s_blocks_per_segment); if (nilfs->ns_blocks_per_segment < NILFS_SEG_MIN_BLOCKS) { diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h index b36ba588ee..614f35df9c 100644 --- a/fs/nilfs2/the_nilfs.h +++ b/fs/nilfs2/the_nilfs.h @@ -182,7 +182,7 @@ struct the_nilfs { unsigned long ns_nrsvsegs; unsigned long ns_first_data_block; int ns_inode_size; - int ns_first_ino; + unsigned int ns_first_ino; u32 ns_crc_seed; /* /sys/fs// */ diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c index 7974e91ffe..b5d8f238fc 100644 --- a/fs/notify/fsnotify.c +++ b/fs/notify/fsnotify.c @@ -103,17 +103,13 @@ void fsnotify_sb_delete(struct super_block *sb) * parent cares. Thus when an event happens on a child it can quickly tell * if there is a need to find a parent and send the event to the parent. */ -void __fsnotify_update_child_dentry_flags(struct inode *inode) +void fsnotify_set_children_dentry_flags(struct inode *inode) { struct dentry *alias; - int watched; if (!S_ISDIR(inode->i_mode)) return; - /* determine if the children should tell inode about their events */ - watched = fsnotify_inode_watches_children(inode); - spin_lock(&inode->i_lock); /* run all of the dentries associated with this inode. Since this is a * directory, there damn well better only be one item on this list */ @@ -129,10 +125,7 @@ void __fsnotify_update_child_dentry_flags(struct inode *inode) continue; spin_lock_nested(&child->d_lock, DENTRY_D_LOCK_NESTED); - if (watched) - child->d_flags |= DCACHE_FSNOTIFY_PARENT_WATCHED; - else - child->d_flags &= ~DCACHE_FSNOTIFY_PARENT_WATCHED; + child->d_flags |= DCACHE_FSNOTIFY_PARENT_WATCHED; spin_unlock(&child->d_lock); } spin_unlock(&alias->d_lock); @@ -140,6 +133,24 @@ void __fsnotify_update_child_dentry_flags(struct inode *inode) spin_unlock(&inode->i_lock); } +/* + * Lazily clear false positive PARENT_WATCHED flag for child whose parent had + * stopped watching children. + */ +static void fsnotify_clear_child_dentry_flag(struct inode *pinode, + struct dentry *dentry) +{ + spin_lock(&dentry->d_lock); + /* + * d_lock is a sufficient barrier to prevent observing a non-watched + * parent state from before the fsnotify_set_children_dentry_flags() + * or fsnotify_update_flags() call that had set PARENT_WATCHED. + */ + if (!fsnotify_inode_watches_children(pinode)) + dentry->d_flags &= ~DCACHE_FSNOTIFY_PARENT_WATCHED; + spin_unlock(&dentry->d_lock); +} + /* Are inode/sb/mount interested in parent and name info with this event? */ static bool fsnotify_event_needs_parent(struct inode *inode, struct mount *mnt, __u32 mask) @@ -208,7 +219,7 @@ int __fsnotify_parent(struct dentry *dentry, __u32 mask, const void *data, p_inode = parent->d_inode; p_mask = fsnotify_inode_watches_children(p_inode); if (unlikely(parent_watched && !p_mask)) - __fsnotify_update_child_dentry_flags(p_inode); + fsnotify_clear_child_dentry_flag(p_inode, dentry); /* * Include parent/name in notification either if some notification diff --git a/fs/notify/fsnotify.h b/fs/notify/fsnotify.h index fde74eb333..2b4267de86 100644 --- a/fs/notify/fsnotify.h +++ b/fs/notify/fsnotify.h @@ -74,7 +74,7 @@ static inline void fsnotify_clear_marks_by_sb(struct super_block *sb) * update the dentry->d_flags of all of inode's children to indicate if inode cares * about events that happen to its children. */ -extern void __fsnotify_update_child_dentry_flags(struct inode *inode); +extern void fsnotify_set_children_dentry_flags(struct inode *inode); extern struct kmem_cache *fsnotify_mark_connector_cachep; diff --git a/fs/notify/mark.c b/fs/notify/mark.c index c74ef94744..4be6e883d4 100644 --- a/fs/notify/mark.c +++ b/fs/notify/mark.c @@ -176,6 +176,24 @@ static void *__fsnotify_recalc_mask(struct fsnotify_mark_connector *conn) return fsnotify_update_iref(conn, want_iref); } +static bool fsnotify_conn_watches_children( + struct fsnotify_mark_connector *conn) +{ + if (conn->type != FSNOTIFY_OBJ_TYPE_INODE) + return false; + + return fsnotify_inode_watches_children(fsnotify_conn_inode(conn)); +} + +static void fsnotify_conn_set_children_dentry_flags( + struct fsnotify_mark_connector *conn) +{ + if (conn->type != FSNOTIFY_OBJ_TYPE_INODE) + return; + + fsnotify_set_children_dentry_flags(fsnotify_conn_inode(conn)); +} + /* * Calculate mask of events for a list of marks. The caller must make sure * connector and connector->obj cannot disappear under us. Callers achieve @@ -184,15 +202,23 @@ static void *__fsnotify_recalc_mask(struct fsnotify_mark_connector *conn) */ void fsnotify_recalc_mask(struct fsnotify_mark_connector *conn) { + bool update_children; + if (!conn) return; spin_lock(&conn->lock); + update_children = !fsnotify_conn_watches_children(conn); __fsnotify_recalc_mask(conn); + update_children &= fsnotify_conn_watches_children(conn); spin_unlock(&conn->lock); - if (conn->type == FSNOTIFY_OBJ_TYPE_INODE) - __fsnotify_update_child_dentry_flags( - fsnotify_conn_inode(conn)); + /* + * Set children's PARENT_WATCHED flags only if parent started watching. + * When parent stops watching, we clear false positive PARENT_WATCHED + * flags lazily in __fsnotify_parent(). + */ + if (update_children) + fsnotify_conn_set_children_dentry_flags(conn); } /* Free all connectors queued for freeing once SRCU period ends */ diff --git a/fs/ntfs3/attrib.c b/fs/ntfs3/attrib.c index 64a6d255c4..83c15c70f5 100644 --- a/fs/ntfs3/attrib.c +++ b/fs/ntfs3/attrib.c @@ -242,7 +242,7 @@ int attr_make_nonresident(struct ntfs_inode *ni, struct ATTRIB *attr, struct ntfs_sb_info *sbi; struct ATTRIB *attr_s; struct MFT_REC *rec; - u32 used, asize, rsize, aoff, align; + u32 used, asize, rsize, aoff; bool is_data; CLST len, alen; char *next; @@ -263,10 +263,13 @@ int attr_make_nonresident(struct ntfs_inode *ni, struct ATTRIB *attr, rsize = le32_to_cpu(attr->res.data_size); is_data = attr->type == ATTR_DATA && !attr->name_len; - align = sbi->cluster_size; - if (is_attr_compressed(attr)) - align <<= COMPRESSION_UNIT; - len = (rsize + align - 1) >> sbi->cluster_bits; + /* len - how many clusters required to store 'rsize' bytes */ + if (is_attr_compressed(attr)) { + u8 shift = sbi->cluster_bits + NTFS_LZNT_CUNIT; + len = ((rsize + (1u << shift) - 1) >> shift) << NTFS_LZNT_CUNIT; + } else { + len = bytes_to_cluster(sbi, rsize); + } run_init(run); @@ -1562,6 +1565,7 @@ int attr_allocate_frame(struct ntfs_inode *ni, CLST frame, size_t compr_size, attr_b->nres.total_size = cpu_to_le64(total_size); inode_set_bytes(&ni->vfs_inode, total_size); + ni->ni_flags |= NI_FLAG_UPDATE_PARENT; mi_b->dirty = true; mark_inode_dirty(&ni->vfs_inode); diff --git a/fs/ntfs3/attrlist.c b/fs/ntfs3/attrlist.c index 723e49ec83..82bd9b5d9b 100644 --- a/fs/ntfs3/attrlist.c +++ b/fs/ntfs3/attrlist.c @@ -29,7 +29,7 @@ static inline bool al_is_valid_le(const struct ntfs_inode *ni, void al_destroy(struct ntfs_inode *ni) { run_close(&ni->attr_list.run); - kfree(ni->attr_list.le); + kvfree(ni->attr_list.le); ni->attr_list.le = NULL; ni->attr_list.size = 0; ni->attr_list.dirty = false; @@ -318,7 +318,7 @@ int al_add_le(struct ntfs_inode *ni, enum ATTR_TYPE type, const __le16 *name, memcpy(ptr, al->le, off); memcpy(Add2Ptr(ptr, off + sz), le, old_size - off); le = Add2Ptr(ptr, off); - kfree(al->le); + kvfree(al->le); al->le = ptr; } else { memmove(Add2Ptr(le, sz), le, old_size - off); diff --git a/fs/ntfs3/bitmap.c b/fs/ntfs3/bitmap.c index 21536b72aa..2c29a3b386 100644 --- a/fs/ntfs3/bitmap.c +++ b/fs/ntfs3/bitmap.c @@ -129,7 +129,7 @@ void wnd_close(struct wnd_bitmap *wnd) { struct rb_node *node, *next; - kfree(wnd->free_bits); + kvfree(wnd->free_bits); run_close(&wnd->run); node = rb_first(&wnd->start_tree); @@ -661,7 +661,7 @@ int wnd_init(struct wnd_bitmap *wnd, struct super_block *sb, size_t nbits) wnd->total_zeroes = nbits; wnd->extent_max = MINUS_ONE_T; wnd->zone_bit = wnd->zone_end = 0; - wnd->nwnd = bytes_to_block(sb, bitmap_size(nbits)); + wnd->nwnd = bytes_to_block(sb, ntfs3_bitmap_size(nbits)); wnd->bits_last = nbits & (wbits - 1); if (!wnd->bits_last) wnd->bits_last = wbits; @@ -1325,7 +1325,7 @@ int wnd_extend(struct wnd_bitmap *wnd, size_t new_bits) return -EINVAL; /* Align to 8 byte boundary. */ - new_wnd = bytes_to_block(sb, bitmap_size(new_bits)); + new_wnd = bytes_to_block(sb, ntfs3_bitmap_size(new_bits)); new_last = new_bits & (wbits - 1); if (!new_last) new_last = wbits; @@ -1340,7 +1340,7 @@ int wnd_extend(struct wnd_bitmap *wnd, size_t new_bits) wnd->nwnd * sizeof(short)); memset(new_free + wnd->nwnd, 0, (new_wnd - wnd->nwnd) * sizeof(short)); - kfree(wnd->free_bits); + kvfree(wnd->free_bits); wnd->free_bits = new_free; } @@ -1363,7 +1363,7 @@ int wnd_extend(struct wnd_bitmap *wnd, size_t new_bits) err = ntfs_vbo_to_lbo(sbi, &wnd->run, vbo, &lbo, &bytes); if (err) - break; + return err; bh = ntfs_bread(sb, lbo >> sb->s_blocksize_bits); if (!bh) diff --git a/fs/ntfs3/dir.c b/fs/ntfs3/dir.c index 98f57d0c70..a4ab0164d1 100644 --- a/fs/ntfs3/dir.c +++ b/fs/ntfs3/dir.c @@ -272,9 +272,12 @@ struct inode *dir_search_u(struct inode *dir, const struct cpu_str *uni, return err == -ENOENT ? NULL : err ? ERR_PTR(err) : inode; } -static inline int ntfs_filldir(struct ntfs_sb_info *sbi, struct ntfs_inode *ni, - const struct NTFS_DE *e, u8 *name, - struct dir_context *ctx) +/* + * returns false if 'ctx' if full + */ +static inline bool ntfs_dir_emit(struct ntfs_sb_info *sbi, + struct ntfs_inode *ni, const struct NTFS_DE *e, + u8 *name, struct dir_context *ctx) { const struct ATTR_FILE_NAME *fname; unsigned long ino; @@ -284,29 +287,29 @@ static inline int ntfs_filldir(struct ntfs_sb_info *sbi, struct ntfs_inode *ni, fname = Add2Ptr(e, sizeof(struct NTFS_DE)); if (fname->type == FILE_NAME_DOS) - return 0; + return true; if (!mi_is_ref(&ni->mi, &fname->home)) - return 0; + return true; ino = ino_get(&e->ref); if (ino == MFT_REC_ROOT) - return 0; + return true; /* Skip meta files. Unless option to show metafiles is set. */ if (!sbi->options->showmeta && ntfs_is_meta_file(sbi, ino)) - return 0; + return true; if (sbi->options->nohidden && (fname->dup.fa & FILE_ATTRIBUTE_HIDDEN)) - return 0; + return true; name_len = ntfs_utf16_to_nls(sbi, fname->name, fname->name_len, name, PATH_MAX); if (name_len <= 0) { ntfs_warn(sbi->sb, "failed to convert name for inode %lx.", ino); - return 0; + return true; } /* @@ -326,7 +329,8 @@ static inline int ntfs_filldir(struct ntfs_sb_info *sbi, struct ntfs_inode *ni, * It does additional locks/reads just to get the type of name. * Should we use additional mount option to enable branch below? */ - if ((fname->dup.fa & FILE_ATTRIBUTE_REPARSE_POINT) && + if (((fname->dup.fa & FILE_ATTRIBUTE_REPARSE_POINT) || + fname->dup.ea_size) && ino != ni->mi.rno) { struct inode *inode = ntfs_iget5(sbi->sb, &e->ref, NULL); if (!IS_ERR_OR_NULL(inode)) { @@ -335,17 +339,20 @@ static inline int ntfs_filldir(struct ntfs_sb_info *sbi, struct ntfs_inode *ni, } } - return !dir_emit(ctx, (s8 *)name, name_len, ino, dt_type); + return dir_emit(ctx, (s8 *)name, name_len, ino, dt_type); } /* * ntfs_read_hdr - Helper function for ntfs_readdir(). + * + * returns 0 if ok. + * returns -EINVAL if directory is corrupted. + * returns +1 if 'ctx' is full. */ static int ntfs_read_hdr(struct ntfs_sb_info *sbi, struct ntfs_inode *ni, const struct INDEX_HDR *hdr, u64 vbo, u64 pos, u8 *name, struct dir_context *ctx) { - int err; const struct NTFS_DE *e; u32 e_size; u32 end = le32_to_cpu(hdr->used); @@ -353,12 +360,12 @@ static int ntfs_read_hdr(struct ntfs_sb_info *sbi, struct ntfs_inode *ni, for (;; off += e_size) { if (off + sizeof(struct NTFS_DE) > end) - return -1; + return -EINVAL; e = Add2Ptr(hdr, off); e_size = le16_to_cpu(e->size); if (e_size < sizeof(struct NTFS_DE) || off + e_size > end) - return -1; + return -EINVAL; if (de_is_last(e)) return 0; @@ -368,14 +375,15 @@ static int ntfs_read_hdr(struct ntfs_sb_info *sbi, struct ntfs_inode *ni, continue; if (le16_to_cpu(e->key_size) < SIZEOF_ATTRIBUTE_FILENAME) - return -1; + return -EINVAL; ctx->pos = vbo + off; /* Submit the name to the filldir callback. */ - err = ntfs_filldir(sbi, ni, e, name, ctx); - if (err) - return err; + if (!ntfs_dir_emit(sbi, ni, e, name, ctx)) { + /* ctx is full. */ + return +1; + } } } @@ -474,8 +482,6 @@ static int ntfs_readdir(struct file *file, struct dir_context *ctx) vbo = (u64)bit << index_bits; if (vbo >= i_size) { - ntfs_inode_err(dir, "Looks like your dir is corrupt"); - ctx->pos = eod; err = -EINVAL; goto out; } @@ -498,9 +504,16 @@ static int ntfs_readdir(struct file *file, struct dir_context *ctx) __putname(name); put_indx_node(node); - if (err == -ENOENT) { + if (err == 1) { + /* 'ctx' is full. */ + err = 0; + } else if (err == -ENOENT) { err = 0; ctx->pos = pos; + } else if (err < 0) { + if (err == -EINVAL) + ntfs_inode_err(dir, "directory corrupted"); + ctx->pos = eod; } return err; diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c index 6d4f3431bc..af7e138064 100644 --- a/fs/ntfs3/file.c +++ b/fs/ntfs3/file.c @@ -398,10 +398,7 @@ static int ntfs_file_mmap(struct file *file, struct vm_area_struct *vma) } if (ni->i_valid < to) { - if (!inode_trylock(inode)) { - err = -EAGAIN; - goto out; - } + inode_lock(inode); err = ntfs_extend_initialized_size(file, ni, ni->i_valid, to); inode_unlock(inode); diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c index b02778cbb1..a74bbfec8e 100644 --- a/fs/ntfs3/frecord.c +++ b/fs/ntfs3/frecord.c @@ -101,7 +101,9 @@ void ni_clear(struct ntfs_inode *ni) { struct rb_node *node; - if (!ni->vfs_inode.i_nlink && ni->mi.mrec && is_rec_inuse(ni->mi.mrec)) + if (!ni->vfs_inode.i_nlink && ni->mi.mrec && + is_rec_inuse(ni->mi.mrec) && + !(ni->mi.sbi->flags & NTFS_FLAGS_LOG_REPLAYING)) ni_delete_all(ni); al_destroy(ni); @@ -750,7 +752,7 @@ static int ni_try_remove_attr_list(struct ntfs_inode *ni) run_deallocate(sbi, &ni->attr_list.run, true); run_close(&ni->attr_list.run); ni->attr_list.size = 0; - kfree(ni->attr_list.le); + kvfree(ni->attr_list.le); ni->attr_list.le = NULL; ni->attr_list.dirty = false; @@ -899,7 +901,7 @@ int ni_create_attr_list(struct ntfs_inode *ni) goto out; out1: - kfree(ni->attr_list.le); + kvfree(ni->attr_list.le); ni->attr_list.le = NULL; ni->attr_list.size = 0; return err; @@ -1453,7 +1455,7 @@ int ni_insert_nonresident(struct ntfs_inode *ni, enum ATTR_TYPE type, if (is_ext) { if (flags & ATTR_FLAG_COMPRESSED) - attr->nres.c_unit = COMPRESSION_UNIT; + attr->nres.c_unit = NTFS_LZNT_CUNIT; attr->nres.total_size = attr->nres.alloc_size; } diff --git a/fs/ntfs3/fslog.c b/fs/ntfs3/fslog.c index 369ab64a0b..6fddedca71 100644 --- a/fs/ntfs3/fslog.c +++ b/fs/ntfs3/fslog.c @@ -609,14 +609,29 @@ static inline void add_client(struct CLIENT_REC *ca, u16 index, __le16 *head) *head = cpu_to_le16(index); } +/* + * Enumerate restart table. + * + * @t - table to enumerate. + * @c - current enumerated element. + * + * enumeration starts with @c == NULL + * returns next element or NULL + */ static inline void *enum_rstbl(struct RESTART_TABLE *t, void *c) { __le32 *e; u32 bprt; - u16 rsize = t ? le16_to_cpu(t->size) : 0; + u16 rsize; + + if (!t) + return NULL; + + rsize = le16_to_cpu(t->size); if (!c) { - if (!t || !t->total) + /* start enumeration. */ + if (!t->total) return NULL; e = Add2Ptr(t, sizeof(struct RESTART_TABLE)); } else { @@ -724,7 +739,8 @@ static bool check_rstbl(const struct RESTART_TABLE *rt, size_t bytes) if (!rsize || rsize > bytes || rsize + sizeof(struct RESTART_TABLE) > bytes || bytes < ts || - le16_to_cpu(rt->total) > ne || ff > ts || lf > ts || + le16_to_cpu(rt->total) > ne || + ff > ts - sizeof(__le32) || lf > ts - sizeof(__le32) || (ff && ff < sizeof(struct RESTART_TABLE)) || (lf && lf < sizeof(struct RESTART_TABLE))) { return false; @@ -754,6 +770,9 @@ static bool check_rstbl(const struct RESTART_TABLE *rt, size_t bytes) return false; off = le32_to_cpu(*(__le32 *)Add2Ptr(rt, off)); + + if (off > ts - sizeof(__le32)) + return false; } return true; @@ -2995,7 +3014,7 @@ static struct ATTRIB *attr_create_nonres_log(struct ntfs_sb_info *sbi, if (is_ext) { attr->name_off = SIZEOF_NONRESIDENT_EX_LE; if (is_attr_compressed(attr)) - attr->nres.c_unit = COMPRESSION_UNIT; + attr->nres.c_unit = NTFS_LZNT_CUNIT; attr->nres.run_off = cpu_to_le16(SIZEOF_NONRESIDENT_EX + name_size); @@ -3931,6 +3950,9 @@ int log_replay(struct ntfs_inode *ni, bool *initialized) goto out; } + log->page_mask = log->page_size - 1; + log->page_bits = blksize_bits(log->page_size); + /* If the file size has shrunk then we won't mount it. */ if (l_size < le64_to_cpu(ra2->l_size)) { err = -EINVAL; diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c index 1b082b7a67..abf28c0db7 100644 --- a/fs/ntfs3/fsntfs.c +++ b/fs/ntfs3/fsntfs.c @@ -475,7 +475,7 @@ static int ntfs_extend_mft(struct ntfs_sb_info *sbi) struct ATTRIB *attr; struct wnd_bitmap *wnd = &sbi->mft.bitmap; - new_mft_total = (wnd->nbits + MFT_INCREASE_CHUNK + 127) & (CLST)~127; + new_mft_total = ALIGN(wnd->nbits + NTFS_MFT_INCREASE_STEP, 128); new_mft_bytes = (u64)new_mft_total << sbi->record_bits; /* Step 1: Resize $MFT::DATA. */ @@ -493,7 +493,7 @@ static int ntfs_extend_mft(struct ntfs_sb_info *sbi) ni->mi.dirty = true; /* Step 2: Resize $MFT::BITMAP. */ - new_bitmap_bytes = bitmap_size(new_mft_total); + new_bitmap_bytes = ntfs3_bitmap_size(new_mft_total); err = attr_set_size(ni, ATTR_BITMAP, NULL, 0, &sbi->mft.bitmap.run, new_bitmap_bytes, &new_bitmap_bytes, true, NULL); diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c index a069ae7a74..9cffd59e97 100644 --- a/fs/ntfs3/index.c +++ b/fs/ntfs3/index.c @@ -979,7 +979,7 @@ static struct indx_node *indx_new(struct ntfs_index *indx, hdr->used = cpu_to_le32(eo + sizeof(struct NTFS_DE) + sizeof(u64)); de_set_vbn_le(e, *sub_vbn); - hdr->flags = 1; + hdr->flags = NTFS_INDEX_HDR_HAS_SUBNODES; } else { e->size = cpu_to_le16(sizeof(struct NTFS_DE)); hdr->used = cpu_to_le32(eo + sizeof(struct NTFS_DE)); @@ -1461,8 +1461,8 @@ static int indx_create_allocate(struct ntfs_index *indx, struct ntfs_inode *ni, alloc->nres.valid_size = alloc->nres.data_size = cpu_to_le64(data_size); - err = ni_insert_resident(ni, bitmap_size(1), ATTR_BITMAP, in->name, - in->name_len, &bitmap, NULL, NULL); + err = ni_insert_resident(ni, ntfs3_bitmap_size(1), ATTR_BITMAP, + in->name, in->name_len, &bitmap, NULL, NULL); if (err) goto out2; @@ -1523,8 +1523,9 @@ static int indx_add_allocate(struct ntfs_index *indx, struct ntfs_inode *ni, if (bmp) { /* Increase bitmap. */ err = attr_set_size(ni, ATTR_BITMAP, in->name, in->name_len, - &indx->bitmap_run, bitmap_size(bit + 1), - NULL, true, NULL); + &indx->bitmap_run, + ntfs3_bitmap_size(bit + 1), NULL, true, + NULL); if (err) goto out1; } @@ -1684,7 +1685,7 @@ static int indx_insert_into_root(struct ntfs_index *indx, struct ntfs_inode *ni, e->size = cpu_to_le16(sizeof(struct NTFS_DE) + sizeof(u64)); e->flags = NTFS_IE_HAS_SUBNODES | NTFS_IE_LAST; - hdr->flags = 1; + hdr->flags = NTFS_INDEX_HDR_HAS_SUBNODES; hdr->used = hdr->total = cpu_to_le32(new_root_size - offsetof(struct INDEX_ROOT, ihdr)); @@ -2087,7 +2088,7 @@ static int indx_shrink(struct ntfs_index *indx, struct ntfs_inode *ni, if (err) return err; - bpb = bitmap_size(bit); + bpb = ntfs3_bitmap_size(bit); if (bpb * 8 == nbits) return 0; diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c index ff45ad967f..7adfa19a2f 100644 --- a/fs/ntfs3/inode.c +++ b/fs/ntfs3/inode.c @@ -1465,7 +1465,7 @@ struct inode *ntfs_create_inode(struct user_namespace *mnt_userns, attr->size = cpu_to_le32(SIZEOF_NONRESIDENT_EX + 8); attr->name_off = SIZEOF_NONRESIDENT_EX_LE; attr->flags = ATTR_FLAG_COMPRESSED; - attr->nres.c_unit = COMPRESSION_UNIT; + attr->nres.c_unit = NTFS_LZNT_CUNIT; asize = SIZEOF_NONRESIDENT_EX + 8; } else { attr->size = cpu_to_le32(SIZEOF_NONRESIDENT + 8); diff --git a/fs/ntfs3/lznt.c b/fs/ntfs3/lznt.c index 28f654561f..09db01c109 100644 --- a/fs/ntfs3/lznt.c +++ b/fs/ntfs3/lznt.c @@ -236,6 +236,9 @@ static inline ssize_t decompress_chunk(u8 *unc, u8 *unc_end, const u8 *cmpr, /* Do decompression until pointers are inside range. */ while (up < unc_end && cmpr < cmpr_end) { + // return err if more than LZNT_CHUNK_SIZE bytes are written + if (up - unc > LZNT_CHUNK_SIZE) + return -EINVAL; /* Correct index */ while (unc + s_max_off[index] < up) index += 1; diff --git a/fs/ntfs3/namei.c b/fs/ntfs3/namei.c index bff1934e04..c1bce9d656 100644 --- a/fs/ntfs3/namei.c +++ b/fs/ntfs3/namei.c @@ -79,7 +79,7 @@ static struct dentry *ntfs_lookup(struct inode *dir, struct dentry *dentry, if (err < 0) inode = ERR_PTR(err); else { - ni_lock(ni); + ni_lock_dir(ni); inode = dir_search_u(dir, uni, NULL); ni_unlock(ni); } diff --git a/fs/ntfs3/ntfs.h b/fs/ntfs3/ntfs.h index 324c0b036f..625f2b52bd 100644 --- a/fs/ntfs3/ntfs.h +++ b/fs/ntfs3/ntfs.h @@ -82,10 +82,6 @@ typedef u32 CLST; #define RESIDENT_LCN ((CLST)-2) #define COMPRESSED_LCN ((CLST)-3) -#define COMPRESSION_UNIT 4 -#define COMPRESS_MAX_CLUSTER 0x1000 -#define MFT_INCREASE_CHUNK 1024 - enum RECORD_NUM { MFT_REC_MFT = 0, MFT_REC_MIRR = 1, @@ -690,14 +686,15 @@ static inline bool de_has_vcn_ex(const struct NTFS_DE *e) offsetof(struct ATTR_FILE_NAME, name) + \ NTFS_NAME_LEN * sizeof(short), 8) +#define NTFS_INDEX_HDR_HAS_SUBNODES cpu_to_le32(1) + struct INDEX_HDR { __le32 de_off; // 0x00: The offset from the start of this structure // to the first NTFS_DE. __le32 used; // 0x04: The size of this structure plus all // entries (quad-word aligned). __le32 total; // 0x08: The allocated size of for this structure plus all entries. - u8 flags; // 0x0C: 0x00 = Small directory, 0x01 = Large directory. - u8 res[3]; + __le32 flags; // 0x0C: 0x00 = Small directory, 0x01 = Large directory. // // de_off + used <= total @@ -744,7 +741,7 @@ static inline struct NTFS_DE *hdr_next_de(const struct INDEX_HDR *hdr, static inline bool hdr_has_subnode(const struct INDEX_HDR *hdr) { - return hdr->flags & 1; + return hdr->flags & NTFS_INDEX_HDR_HAS_SUBNODES; } struct INDEX_BUFFER { @@ -764,7 +761,7 @@ static inline bool ib_is_empty(const struct INDEX_BUFFER *ib) static inline bool ib_is_leaf(const struct INDEX_BUFFER *ib) { - return !(ib->ihdr.flags & 1); + return !(ib->ihdr.flags & NTFS_INDEX_HDR_HAS_SUBNODES); } /* Index root structure ( 0x90 ). */ diff --git a/fs/ntfs3/ntfs_fs.h b/fs/ntfs3/ntfs_fs.h index 12a3b41d35..7b46926e92 100644 --- a/fs/ntfs3/ntfs_fs.h +++ b/fs/ntfs3/ntfs_fs.h @@ -198,6 +198,8 @@ struct ntfs_index { /* Minimum MFT zone. */ #define NTFS_MIN_MFT_ZONE 100 +/* Step to increase the MFT. */ +#define NTFS_MFT_INCREASE_STEP 1024 /* Ntfs file system in-core superblock data. */ struct ntfs_sb_info { @@ -326,7 +328,7 @@ struct mft_inode { /* Nested class for ntfs_inode::ni_lock. */ enum ntfs_inode_mutex_lock_class { - NTFS_INODE_MUTEX_DIRTY, + NTFS_INODE_MUTEX_DIRTY = 1, NTFS_INODE_MUTEX_SECURITY, NTFS_INODE_MUTEX_OBJID, NTFS_INODE_MUTEX_REPARSE, @@ -948,9 +950,9 @@ static inline bool run_is_empty(struct runs_tree *run) } /* NTFS uses quad aligned bitmaps. */ -static inline size_t bitmap_size(size_t bits) +static inline size_t ntfs3_bitmap_size(size_t bits) { - return ALIGN((bits + 7) >> 3, 8); + return BITS_TO_U64(bits) * sizeof(u64); } #define _100ns2seconds 10000000 diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c index 0a71075042..78b0865273 100644 --- a/fs/ntfs3/super.c +++ b/fs/ntfs3/super.c @@ -441,7 +441,7 @@ static noinline void put_ntfs(struct ntfs_sb_info *sbi) { kfree(sbi->new_rec); kvfree(ntfs_put_shared(sbi->upcase)); - kfree(sbi->def_table); + kvfree(sbi->def_table); wnd_close(&sbi->mft.bitmap); wnd_close(&sbi->used.bitmap); @@ -1103,7 +1103,7 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc) /* Check bitmap boundary. */ tt = sbi->used.bitmap.nbits; - if (inode->i_size < bitmap_size(tt)) { + if (inode->i_size < ntfs3_bitmap_size(tt)) { err = -EINVAL; goto put_inode_out; } diff --git a/fs/ntfs3/xattr.c b/fs/ntfs3/xattr.c index d0b75d7f58..4a7753384b 100644 --- a/fs/ntfs3/xattr.c +++ b/fs/ntfs3/xattr.c @@ -217,8 +217,11 @@ static ssize_t ntfs_list_ea(struct ntfs_inode *ni, char *buffer, if (!ea->name_len) break; - if (ea->name_len > ea_size) + if (ea->name_len > ea_size) { + ntfs_set_state(ni->mi.sbi, NTFS_DIRTY_ERROR); + err = -EINVAL; /* corrupted fs */ break; + } if (buffer) { /* Check if we can use field ea->name */ diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index c051074016..2a04e65e8a 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -156,9 +156,8 @@ int ocfs2_get_block(struct inode *inode, sector_t iblock, err = ocfs2_extent_map_get_blocks(inode, iblock, &p_blkno, &count, &ext_flags); if (err) { - mlog(ML_ERROR, "Error %d from get_blocks(0x%p, %llu, 1, " - "%llu, NULL)\n", err, inode, (unsigned long long)iblock, - (unsigned long long)p_blkno); + mlog(ML_ERROR, "get_blocks() failed, inode: 0x%p, " + "block: %llu\n", inode, (unsigned long long)iblock); goto bail; } @@ -2370,6 +2369,11 @@ static int ocfs2_dio_end_io_write(struct inode *inode, } list_for_each_entry(ue, &dwc->dw_zero_list, ue_node) { + ret = ocfs2_assure_trans_credits(handle, credits); + if (ret < 0) { + mlog_errno(ret); + break; + } ret = ocfs2_mark_extent_written(inode, &et, handle, ue->ue_cpos, 1, ue->ue_phys, diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index e7758778ab..af0d0e56a1 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -235,7 +235,6 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr, if (bhs[i] == NULL) { bhs[i] = sb_getblk(sb, block++); if (bhs[i] == NULL) { - ocfs2_metadata_cache_io_unlock(ci); status = -ENOMEM; mlog_errno(status); /* Don't forget to put previous bh! */ @@ -389,7 +388,8 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr, /* Always set the buffer in the cache, even if it was * a forced read, or read-ahead which hasn't yet * completed. */ - ocfs2_set_buffer_uptodate(ci, bh); + if (bh) + ocfs2_set_buffer_uptodate(ci, bh); } ocfs2_metadata_cache_io_unlock(ci); diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index bd8d534f11..c9797dd067 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -294,13 +294,16 @@ static void ocfs2_dx_dir_name_hash(struct inode *dir, const char *name, int len, * bh passed here can be an inode block or a dir data block, depending * on the inode inline data flag. */ -static int ocfs2_check_dir_entry(struct inode * dir, - struct ocfs2_dir_entry * de, - struct buffer_head * bh, +static int ocfs2_check_dir_entry(struct inode *dir, + struct ocfs2_dir_entry *de, + struct buffer_head *bh, + char *buf, + unsigned int size, unsigned long offset) { const char *error_msg = NULL; const int rlen = le16_to_cpu(de->rec_len); + const unsigned long next_offset = ((char *) de - buf) + rlen; if (unlikely(rlen < OCFS2_DIR_REC_LEN(1))) error_msg = "rec_len is smaller than minimal"; @@ -308,9 +311,11 @@ static int ocfs2_check_dir_entry(struct inode * dir, error_msg = "rec_len % 4 != 0"; else if (unlikely(rlen < OCFS2_DIR_REC_LEN(de->name_len))) error_msg = "rec_len is too small for name_len"; - else if (unlikely( - ((char *) de - bh->b_data) + rlen > dir->i_sb->s_blocksize)) - error_msg = "directory entry across blocks"; + else if (unlikely(next_offset > size)) + error_msg = "directory entry overrun"; + else if (unlikely(next_offset > size - OCFS2_DIR_REC_LEN(1)) && + next_offset != size) + error_msg = "directory entry too close to end"; if (unlikely(error_msg != NULL)) mlog(ML_ERROR, "bad entry in directory #%llu: %s - " @@ -352,16 +357,17 @@ static inline int ocfs2_search_dirblock(struct buffer_head *bh, de_buf = first_de; dlimit = de_buf + bytes; - while (de_buf < dlimit) { + while (de_buf < dlimit - OCFS2_DIR_MEMBER_LEN) { /* this code is executed quadratically often */ /* do minimal checking `by hand' */ de = (struct ocfs2_dir_entry *) de_buf; - if (de_buf + namelen <= dlimit && + if (de->name + namelen <= dlimit && ocfs2_match(namelen, name, de)) { /* found a match - just to be sure, do a full check */ - if (!ocfs2_check_dir_entry(dir, de, bh, offset)) { + if (!ocfs2_check_dir_entry(dir, de, bh, first_de, + bytes, offset)) { ret = -1; goto bail; } @@ -1138,7 +1144,7 @@ static int __ocfs2_delete_entry(handle_t *handle, struct inode *dir, pde = NULL; de = (struct ocfs2_dir_entry *) first_de; while (i < bytes) { - if (!ocfs2_check_dir_entry(dir, de, bh, i)) { + if (!ocfs2_check_dir_entry(dir, de, bh, first_de, bytes, i)) { status = -EIO; mlog_errno(status); goto bail; @@ -1638,7 +1644,8 @@ int __ocfs2_add_entry(handle_t *handle, /* These checks should've already been passed by the * prepare function, but I guess we can leave them * here anyway. */ - if (!ocfs2_check_dir_entry(dir, de, insert_bh, offset)) { + if (!ocfs2_check_dir_entry(dir, de, insert_bh, data_start, + size, offset)) { retval = -ENOENT; goto bail; } @@ -1776,7 +1783,8 @@ static int ocfs2_dir_foreach_blk_id(struct inode *inode, } de = (struct ocfs2_dir_entry *) (data->id_data + ctx->pos); - if (!ocfs2_check_dir_entry(inode, de, di_bh, ctx->pos)) { + if (!ocfs2_check_dir_entry(inode, de, di_bh, (char *)data->id_data, + i_size_read(inode), ctx->pos)) { /* On error, skip the f_pos to the end. */ ctx->pos = i_size_read(inode); break; @@ -1869,7 +1877,8 @@ static int ocfs2_dir_foreach_blk_el(struct inode *inode, while (ctx->pos < i_size_read(inode) && offset < sb->s_blocksize) { de = (struct ocfs2_dir_entry *) (bh->b_data + offset); - if (!ocfs2_check_dir_entry(inode, de, bh, offset)) { + if (!ocfs2_check_dir_entry(inode, de, bh, bh->b_data, + sb->s_blocksize, offset)) { /* On error, skip the f_pos to the next block. */ ctx->pos = (ctx->pos | (sb->s_blocksize - 1)) + 1; @@ -3341,7 +3350,7 @@ static int ocfs2_find_dir_space_id(struct inode *dir, struct buffer_head *di_bh, struct super_block *sb = dir->i_sb; struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; struct ocfs2_dir_entry *de, *last_de = NULL; - char *de_buf, *limit; + char *first_de, *de_buf, *limit; unsigned long offset = 0; unsigned int rec_len, new_rec_len, free_space = dir->i_sb->s_blocksize; @@ -3354,14 +3363,16 @@ static int ocfs2_find_dir_space_id(struct inode *dir, struct buffer_head *di_bh, else free_space = dir->i_sb->s_blocksize - i_size_read(dir); - de_buf = di->id2.i_data.id_data; + first_de = di->id2.i_data.id_data; + de_buf = first_de; limit = de_buf + i_size_read(dir); rec_len = OCFS2_DIR_REC_LEN(namelen); while (de_buf < limit) { de = (struct ocfs2_dir_entry *)de_buf; - if (!ocfs2_check_dir_entry(dir, de, di_bh, offset)) { + if (!ocfs2_check_dir_entry(dir, de, di_bh, first_de, + i_size_read(dir), offset)) { ret = -ENOENT; goto out; } @@ -3443,7 +3454,8 @@ static int ocfs2_find_dir_space_el(struct inode *dir, const char *name, /* move to next block */ de = (struct ocfs2_dir_entry *) bh->b_data; } - if (!ocfs2_check_dir_entry(dir, de, bh, offset)) { + if (!ocfs2_check_dir_entry(dir, de, bh, bh->b_data, blocksize, + offset)) { status = -ENOENT; goto bail; } diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index d64aea53e1..3c9316bf8a 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1132,9 +1132,12 @@ int ocfs2_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, trace_ocfs2_setattr(inode, dentry, (unsigned long long)OCFS2_I(inode)->ip_blkno, dentry->d_name.len, dentry->d_name.name, - attr->ia_valid, attr->ia_mode, - from_kuid(&init_user_ns, attr->ia_uid), - from_kgid(&init_user_ns, attr->ia_gid)); + attr->ia_valid, + attr->ia_valid & ATTR_MODE ? attr->ia_mode : 0, + attr->ia_valid & ATTR_UID ? + from_kuid(&init_user_ns, attr->ia_uid) : 0, + attr->ia_valid & ATTR_GID ? + from_kgid(&init_user_ns, attr->ia_gid) : 0); /* ensuring we don't even attempt to truncate a symlink */ if (S_ISLNK(inode->i_mode)) @@ -1787,6 +1790,14 @@ int ocfs2_remove_inode_range(struct inode *inode, return 0; if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) { + int id_count = ocfs2_max_inline_data_with_xattr(inode->i_sb, di); + + if (byte_start > id_count || byte_start + byte_len > id_count) { + ret = -EINVAL; + mlog_errno(ret); + goto out; + } + ret = ocfs2_truncate_inline(inode, di_bh, byte_start, byte_start + byte_len, 0); if (ret) { @@ -1940,6 +1951,8 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode, inode_lock(inode); + /* Wait all existing dio workers, newcomers will block on i_rwsem */ + inode_dio_wait(inode); /* * This prevents concurrent writes on other nodes */ diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 86864a90de..9b645137fb 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -447,6 +447,23 @@ int ocfs2_extend_trans(handle_t *handle, int nblocks) return status; } +/* + * Make sure handle has at least 'nblocks' credits available. If it does not + * have that many credits available, we will try to extend the handle to have + * enough credits. If that fails, we will restart transaction to have enough + * credits. Similar notes regarding data consistency and locking implications + * as for ocfs2_extend_trans() apply here. + */ +int ocfs2_assure_trans_credits(handle_t *handle, int nblocks) +{ + int old_nblks = jbd2_handle_buffer_credits(handle); + + trace_ocfs2_assure_trans_credits(old_nblks); + if (old_nblks >= nblocks) + return 0; + return ocfs2_extend_trans(handle, nblocks - old_nblks); +} + /* * If we have fewer than thresh credits, extend by OCFS2_MAX_TRANS_DATA. * If that fails, restart the transaction & regain write access for the @@ -977,7 +994,7 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb) if (!igrab(inode)) BUG(); - num_running_trans = atomic_read(&(osb->journal->j_num_trans)); + num_running_trans = atomic_read(&(journal->j_num_trans)); trace_ocfs2_journal_shutdown(num_running_trans); /* Do a commit_cache here. It will flush our journal, *and* @@ -996,9 +1013,10 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb) osb->commit_task = NULL; } - BUG_ON(atomic_read(&(osb->journal->j_num_trans)) != 0); + BUG_ON(atomic_read(&(journal->j_num_trans)) != 0); - if (ocfs2_mount_local(osb)) { + if (ocfs2_mount_local(osb) && + (journal->j_journal->j_flags & JBD2_LOADED)) { jbd2_journal_lock_updates(journal->j_journal); status = jbd2_journal_flush(journal->j_journal, 0); jbd2_journal_unlock_updates(journal->j_journal); diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index a54f20bce9..405066a877 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -242,6 +242,8 @@ handle_t *ocfs2_start_trans(struct ocfs2_super *osb, int ocfs2_commit_trans(struct ocfs2_super *osb, handle_t *handle); int ocfs2_extend_trans(handle_t *handle, int nblocks); +int ocfs2_assure_trans_credits(handle_t *handle, + int nblocks); int ocfs2_allocate_extend_trans(handle_t *handle, int thresh); diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index 5f6bacbeef..79567d4005 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -1008,6 +1008,25 @@ static int ocfs2_sync_local_to_main(struct ocfs2_super *osb, start = bit_off + 1; } + /* clear the contiguous bits until the end boundary */ + if (count) { + blkno = la_start_blk + + ocfs2_clusters_to_blocks(osb->sb, + start - count); + + trace_ocfs2_sync_local_to_main_free( + count, start - count, + (unsigned long long)la_start_blk, + (unsigned long long)blkno); + + status = ocfs2_release_clusters(handle, + main_bm_inode, + main_bm_bh, blkno, + count); + if (status < 0) + mlog_errno(status); + } + bail: if (status) mlog_errno(status); diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 0b4f3d287c..69aff1d594 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -566,7 +566,7 @@ static int __ocfs2_mknod_locked(struct inode *dir, fe->i_last_eb_blk = 0; strcpy(fe->i_signature, OCFS2_INODE_SIGNATURE); fe->i_flags |= cpu_to_le32(OCFS2_VALID_FL); - ktime_get_real_ts64(&ts); + ktime_get_coarse_real_ts64(&ts); fe->i_atime = fe->i_ctime = fe->i_mtime = cpu_to_le64(ts.tv_sec); fe->i_mtime_nsec = fe->i_ctime_nsec = fe->i_atime_nsec = diff --git a/fs/ocfs2/ocfs2_trace.h b/fs/ocfs2/ocfs2_trace.h index dc4bce1649..7a9cfd6114 100644 --- a/fs/ocfs2/ocfs2_trace.h +++ b/fs/ocfs2/ocfs2_trace.h @@ -2578,6 +2578,8 @@ DEFINE_OCFS2_ULL_UINT_EVENT(ocfs2_commit_cache_end); DEFINE_OCFS2_INT_INT_EVENT(ocfs2_extend_trans); +DEFINE_OCFS2_INT_EVENT(ocfs2_assure_trans_credits); + DEFINE_OCFS2_INT_EVENT(ocfs2_extend_trans_restart); DEFINE_OCFS2_INT_INT_EVENT(ocfs2_allocate_extend_trans); diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index b1a8b046f4..7a1c8da9e4 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -689,7 +689,7 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) int status; struct buffer_head *bh = NULL; struct ocfs2_quota_recovery *rec; - int locked = 0; + int locked = 0, global_read = 0; info->dqi_max_spc_limit = 0x7fffffffffffffffLL; info->dqi_max_ino_limit = 0x7fffffffffffffffLL; @@ -697,6 +697,7 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) if (!oinfo) { mlog(ML_ERROR, "failed to allocate memory for ocfs2 quota" " info."); + status = -ENOMEM; goto out_err; } info->dqi_priv = oinfo; @@ -709,6 +710,7 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) status = ocfs2_global_read_info(sb, type); if (status < 0) goto out_err; + global_read = 1; status = ocfs2_inode_lock(lqinode, &oinfo->dqi_lqi_bh, 1); if (status < 0) { @@ -779,10 +781,12 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) if (locked) ocfs2_inode_unlock(lqinode, 1); ocfs2_release_local_quota_bitmaps(&oinfo->dqi_chunk); + if (global_read) + cancel_delayed_work_sync(&oinfo->dqi_sync_work); kfree(oinfo); } brelse(bh); - return -1; + return status; } /* Write local info to quota file */ diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index 7f6355cbb5..660587214e 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -25,6 +25,7 @@ #include "namei.h" #include "ocfs2_trace.h" #include "file.h" +#include "symlink.h" #include #include @@ -4182,8 +4183,9 @@ static int __ocfs2_reflink(struct dentry *old_dentry, int ret; struct inode *inode = d_inode(old_dentry); struct buffer_head *new_bh = NULL; + struct ocfs2_inode_info *oi = OCFS2_I(inode); - if (OCFS2_I(inode)->ip_flags & OCFS2_INODE_SYSTEM_FILE) { + if (oi->ip_flags & OCFS2_INODE_SYSTEM_FILE) { ret = -EINVAL; mlog_errno(ret); goto out; @@ -4209,6 +4211,26 @@ static int __ocfs2_reflink(struct dentry *old_dentry, goto out_unlock; } + if ((oi->ip_dyn_features & OCFS2_HAS_XATTR_FL) && + (oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL)) { + /* + * Adjust extent record count to reserve space for extended attribute. + * Inline data count had been adjusted in ocfs2_duplicate_inline_data(). + */ + struct ocfs2_inode_info *new_oi = OCFS2_I(new_inode); + + if (!(new_oi->ip_dyn_features & OCFS2_INLINE_DATA_FL) && + !(ocfs2_inode_is_fast_symlink(new_inode))) { + struct ocfs2_dinode *new_di = (struct ocfs2_dinode *)new_bh->b_data; + struct ocfs2_dinode *old_di = (struct ocfs2_dinode *)old_bh->b_data; + struct ocfs2_extent_list *el = &new_di->id2.i_list; + int inline_size = le16_to_cpu(old_di->i_xattr_inline_size); + + le16_add_cpu(&el->l_count, -(inline_size / + sizeof(struct ocfs2_extent_rec))); + } + } + ret = ocfs2_create_reflink_node(inode, old_bh, new_inode, new_bh, preserve); if (ret) { @@ -4216,7 +4238,7 @@ static int __ocfs2_reflink(struct dentry *old_dentry, goto inode_unlock; } - if (OCFS2_I(inode)->ip_dyn_features & OCFS2_HAS_XATTR_FL) { + if (oi->ip_dyn_features & OCFS2_HAS_XATTR_FL) { ret = ocfs2_reflink_xattrs(inode, old_bh, new_inode, new_bh, preserve); diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index c101a71a52..7e097da448 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1066,13 +1066,13 @@ ssize_t ocfs2_listxattr(struct dentry *dentry, return i_ret + b_ret; } -static int ocfs2_xattr_find_entry(int name_index, +static int ocfs2_xattr_find_entry(struct inode *inode, int name_index, const char *name, struct ocfs2_xattr_search *xs) { struct ocfs2_xattr_entry *entry; size_t name_len; - int i, cmp = 1; + int i, name_offset, cmp = 1; if (name == NULL) return -EINVAL; @@ -1080,13 +1080,22 @@ static int ocfs2_xattr_find_entry(int name_index, name_len = strlen(name); entry = xs->here; for (i = 0; i < le16_to_cpu(xs->header->xh_count); i++) { + if ((void *)entry >= xs->end) { + ocfs2_error(inode->i_sb, "corrupted xattr entries"); + return -EFSCORRUPTED; + } cmp = name_index - ocfs2_xattr_get_type(entry); if (!cmp) cmp = name_len - entry->xe_name_len; - if (!cmp) - cmp = memcmp(name, (xs->base + - le16_to_cpu(entry->xe_name_offset)), - name_len); + if (!cmp) { + name_offset = le16_to_cpu(entry->xe_name_offset); + if ((xs->base + name_offset + name_len) > xs->end) { + ocfs2_error(inode->i_sb, + "corrupted xattr entries"); + return -EFSCORRUPTED; + } + cmp = memcmp(name, (xs->base + name_offset), name_len); + } if (cmp == 0) break; entry += 1; @@ -1170,7 +1179,7 @@ static int ocfs2_xattr_ibody_get(struct inode *inode, xs->base = (void *)xs->header; xs->here = xs->header->xh_entries; - ret = ocfs2_xattr_find_entry(name_index, name, xs); + ret = ocfs2_xattr_find_entry(inode, name_index, name, xs); if (ret) return ret; size = le64_to_cpu(xs->here->xe_value_size); @@ -2031,8 +2040,7 @@ static int ocfs2_xa_remove(struct ocfs2_xa_loc *loc, rc = 0; ocfs2_xa_cleanup_value_truncate(loc, "removing", orig_clusters); - if (rc) - goto out; + goto out; } } @@ -2702,7 +2710,7 @@ static int ocfs2_xattr_ibody_find(struct inode *inode, /* Find the named attribute. */ if (oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL) { - ret = ocfs2_xattr_find_entry(name_index, name, xs); + ret = ocfs2_xattr_find_entry(inode, name_index, name, xs); if (ret && ret != -ENODATA) return ret; xs->not_found = ret; @@ -2837,7 +2845,7 @@ static int ocfs2_xattr_block_find(struct inode *inode, xs->end = (void *)(blk_bh->b_data) + blk_bh->b_size; xs->here = xs->header->xh_entries; - ret = ocfs2_xattr_find_entry(name_index, name, xs); + ret = ocfs2_xattr_find_entry(inode, name_index, name, xs); } else ret = ocfs2_xattr_index_block_find(inode, blk_bh, name_index, @@ -6515,16 +6523,7 @@ static int ocfs2_reflink_xattr_inline(struct ocfs2_xattr_reflink *args) } new_oi = OCFS2_I(args->new_inode); - /* - * Adjust extent record count to reserve space for extended attribute. - * Inline data count had been adjusted in ocfs2_duplicate_inline_data(). - */ - if (!(new_oi->ip_dyn_features & OCFS2_INLINE_DATA_FL) && - !(ocfs2_inode_is_fast_symlink(args->new_inode))) { - struct ocfs2_extent_list *el = &new_di->id2.i_list; - le16_add_cpu(&el->l_count, -(inline_size / - sizeof(struct ocfs2_extent_rec))); - } + spin_lock(&new_oi->ip_lock); new_oi->ip_dyn_features |= OCFS2_HAS_XATTR_FL | OCFS2_INLINE_XATTR_FL; new_di->i_dyn_features = cpu_to_le16(new_oi->ip_dyn_features); diff --git a/fs/open.c b/fs/open.c index 43e5ca4324..84e5dcc31c 100644 --- a/fs/open.c +++ b/fs/open.c @@ -199,13 +199,13 @@ long do_sys_ftruncate(unsigned int fd, loff_t length, int small) return error; } -SYSCALL_DEFINE2(ftruncate, unsigned int, fd, unsigned long, length) +SYSCALL_DEFINE2(ftruncate, unsigned int, fd, off_t, length) { return do_sys_ftruncate(fd, length, 1); } #ifdef CONFIG_COMPAT -COMPAT_SYSCALL_DEFINE2(ftruncate, unsigned int, fd, compat_ulong_t, length) +COMPAT_SYSCALL_DEFINE2(ftruncate, unsigned int, fd, compat_off_t, length) { return do_sys_ftruncate(fd, length, 1); } @@ -1296,6 +1296,8 @@ SYSCALL_DEFINE4(openat2, int, dfd, const char __user *, filename, if (unlikely(usize < OPEN_HOW_SIZE_VER0)) return -EINVAL; + if (unlikely(usize > PAGE_SIZE)) + return -E2BIG; err = copy_struct_from_user(&tmp, sizeof(tmp), how, usize); if (err) diff --git a/fs/orangefs/super.c b/fs/orangefs/super.c index 2f2e430461..b48aef43b5 100644 --- a/fs/orangefs/super.c +++ b/fs/orangefs/super.c @@ -200,7 +200,8 @@ static int orangefs_statfs(struct dentry *dentry, struct kstatfs *buf) (long)new_op->downcall.resp.statfs.files_avail); buf->f_type = sb->s_magic; - memcpy(&buf->f_fsid, &ORANGEFS_SB(sb)->fs_id, sizeof(buf->f_fsid)); + buf->f_fsid.val[0] = ORANGEFS_SB(sb)->fs_id; + buf->f_fsid.val[1] = ORANGEFS_SB(sb)->id; buf->f_bsize = new_op->downcall.resp.statfs.block_size; buf->f_namelen = ORANGEFS_NAME_MAX; diff --git a/fs/proc/base.c b/fs/proc/base.c index e5d7a5a75a..d0414e566d 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -86,6 +86,7 @@ #include #include #include +#include #include #include #include @@ -116,6 +117,40 @@ static u8 nlink_tid __ro_after_init; static u8 nlink_tgid __ro_after_init; +enum proc_mem_force { + PROC_MEM_FORCE_ALWAYS, + PROC_MEM_FORCE_PTRACE, + PROC_MEM_FORCE_NEVER +}; + +static enum proc_mem_force proc_mem_force_override __ro_after_init = + IS_ENABLED(CONFIG_PROC_MEM_NO_FORCE) ? PROC_MEM_FORCE_NEVER : + IS_ENABLED(CONFIG_PROC_MEM_FORCE_PTRACE) ? PROC_MEM_FORCE_PTRACE : + PROC_MEM_FORCE_ALWAYS; + +static const struct constant_table proc_mem_force_table[] __initconst = { + { "always", PROC_MEM_FORCE_ALWAYS }, + { "ptrace", PROC_MEM_FORCE_PTRACE }, + { "never", PROC_MEM_FORCE_NEVER }, + { } +}; + +static int __init early_proc_mem_force_override(char *buf) +{ + if (!buf) + return -EINVAL; + + /* + * lookup_constant() defaults to proc_mem_force_override to preseve + * the initial Kconfig choice in case an invalid param gets passed. + */ + proc_mem_force_override = lookup_constant(proc_mem_force_table, + buf, proc_mem_force_override); + + return 0; +} +early_param("proc_mem.force_override", early_proc_mem_force_override); + struct pid_entry { const char *name; unsigned int len; @@ -835,6 +870,28 @@ static int mem_open(struct inode *inode, struct file *file) return ret; } +static bool proc_mem_foll_force(struct file *file, struct mm_struct *mm) +{ + struct task_struct *task; + bool ptrace_active = false; + + switch (proc_mem_force_override) { + case PROC_MEM_FORCE_NEVER: + return false; + case PROC_MEM_FORCE_PTRACE: + task = get_proc_task(file_inode(file)); + if (task) { + ptrace_active = READ_ONCE(task->ptrace) && + READ_ONCE(task->mm) == mm && + READ_ONCE(task->parent) == current; + put_task_struct(task); + } + return ptrace_active; + default: + return true; + } +} + static ssize_t mem_rw(struct file *file, char __user *buf, size_t count, loff_t *ppos, int write) { @@ -855,7 +912,9 @@ static ssize_t mem_rw(struct file *file, char __user *buf, if (!mmget_not_zero(mm)) goto free; - flags = FOLL_FORCE | (write ? FOLL_WRITE : 0); + flags = write ? FOLL_WRITE : 0; + if (proc_mem_foll_force(file, mm)) + flags |= FOLL_FORCE; while (count > 0) { size_t this_len = min_t(size_t, count, PAGE_SIZE); diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 4192fe6ec3..213ea008fe 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -466,12 +466,10 @@ static struct inode *proc_sys_make_inode(struct super_block *sb, make_empty_dir_inode(inode); } + inode->i_uid = GLOBAL_ROOT_UID; + inode->i_gid = GLOBAL_ROOT_GID; if (root->set_ownership) root->set_ownership(head, table, &inode->i_uid, &inode->i_gid); - else { - inode->i_uid = GLOBAL_ROOT_UID; - inode->i_gid = GLOBAL_ROOT_GID; - } return inode; } diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 705a41f4d6..b255e3dfde 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -1471,6 +1471,8 @@ static int pagemap_pmd_range(pmd_t *pmdp, unsigned long addr, unsigned long end, } #endif + if (page && !PageAnon(page)) + flags |= PM_FILE; if (page && !migration && page_mapcount(page) == 1) flags |= PM_MMAP_EXCLUSIVE; diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c index e573098675..c6ee7d8439 100644 --- a/fs/proc/vmcore.c +++ b/fs/proc/vmcore.c @@ -373,6 +373,8 @@ static ssize_t __read_vmcore(char *buffer, size_t buflen, loff_t *fpos, /* leave now if filled buffer already */ if (buflen == 0) return acc; + + cond_resched(); } list_for_each_entry(m, &vmcore_list, list) { @@ -444,10 +446,6 @@ static vm_fault_t mmap_vmcore_fault(struct vm_fault *vmf) #endif } -static const struct vm_operations_struct vmcore_mmap_ops = { - .fault = mmap_vmcore_fault, -}; - /** * vmcore_alloc_buf - allocate buffer in vmalloc memory * @sizez: size of buffer @@ -475,6 +473,11 @@ static inline char *vmcore_alloc_buf(size_t size) * virtually contiguous user-space in ELF layout. */ #ifdef CONFIG_MMU + +static const struct vm_operations_struct vmcore_mmap_ops = { + .fault = mmap_vmcore_fault, +}; + /* * remap_oldmem_pfn_checked - do remap_oldmem_pfn_range replacing all pages * reported as not being ram with the zero page. diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index edb414d3fd..3b62fbcefa 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -995,9 +995,8 @@ struct dquot *dqget(struct super_block *sb, struct kqid qid) * smp_mb__before_atomic() in dquot_acquire(). */ smp_rmb(); -#ifdef CONFIG_QUOTA_DEBUG - BUG_ON(!dquot->dq_sb); /* Has somebody invalidated entry under us? */ -#endif + /* Has somebody invalidated entry under us? */ + WARN_ON_ONCE(hlist_unhashed(&dquot->dq_hash)); out: if (empty) do_destroy_dquot(empty); diff --git a/fs/squashfs/inode.c b/fs/squashfs/inode.c index 24463145b3..f31649080a 100644 --- a/fs/squashfs/inode.c +++ b/fs/squashfs/inode.c @@ -276,8 +276,13 @@ int squashfs_read_inode(struct inode *inode, long long ino) if (err < 0) goto failed_read; - set_nlink(inode, le32_to_cpu(sqsh_ino->nlink)); inode->i_size = le32_to_cpu(sqsh_ino->symlink_size); + if (inode->i_size > PAGE_SIZE) { + ERROR("Corrupted symlink\n"); + return -EINVAL; + } + + set_nlink(inode, le32_to_cpu(sqsh_ino->nlink)); inode->i_op = &squashfs_symlink_inode_ops; inode_nohighmem(inode); inode->i_data.a_ops = &squashfs_symlink_aops; diff --git a/fs/super.c b/fs/super.c index 048576b19a..eeb8f745a8 100644 --- a/fs/super.c +++ b/fs/super.c @@ -486,6 +486,8 @@ void generic_shutdown_super(struct super_block *sb) spin_unlock(&sb_lock); up_write(&sb->s_umount); if (sb->s_bdi != &noop_backing_dev_info) { + if (sb->s_iflags & SB_I_PERSB_BDI) + bdi_unregister(sb->s_bdi); bdi_put(sb->s_bdi); sb->s_bdi = &noop_backing_dev_info; } @@ -528,6 +530,17 @@ struct super_block *sget_fc(struct fs_context *fc, struct user_namespace *user_ns = fc->global ? &init_user_ns : fc->user_ns; int err; + /* + * Never allow s_user_ns != &init_user_ns when FS_USERNS_MOUNT is + * not set, as the filesystem is likely unprepared to handle it. + * This can happen when fsconfig() is called from init_user_ns with + * an fs_fd opened in another user namespace. + */ + if (user_ns != &init_user_ns && !(fc->fs_type->fs_flags & FS_USERNS_MOUNT)) { + errorfc(fc, "VFS: Mounting from non-initial user namespace is not allowed"); + return ERR_PTR(-EPERM); + } + retry: spin_lock(&sb_lock); if (test) { @@ -1581,6 +1594,7 @@ int super_setup_bdi_name(struct super_block *sb, char *fmt, ...) } WARN_ON(sb->s_bdi != &noop_backing_dev_info); sb->s_bdi = bdi; + sb->s_iflags |= SB_I_PERSB_BDI; return 0; } diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c index f416b7fe09..aa73ab1b50 100644 --- a/fs/udf/balloc.c +++ b/fs/udf/balloc.c @@ -22,6 +22,7 @@ #include "udfdecl.h" #include +#include #include "udf_i.h" #include "udf_sb.h" @@ -68,8 +69,12 @@ static int read_block_bitmap(struct super_block *sb, } for (i = 0; i < count; i++) - if (udf_test_bit(i + off, bh->b_data)) + if (udf_test_bit(i + off, bh->b_data)) { + bitmap->s_block_bitmap[bitmap_nr] = + ERR_PTR(-EFSCORRUPTED); + brelse(bh); return -EFSCORRUPTED; + } return 0; } @@ -85,8 +90,15 @@ static int __load_block_bitmap(struct super_block *sb, block_group, nr_groups); } - if (bitmap->s_block_bitmap[block_group]) + if (bitmap->s_block_bitmap[block_group]) { + /* + * The bitmap failed verification in the past. No point in + * trying again. + */ + if (IS_ERR(bitmap->s_block_bitmap[block_group])) + return PTR_ERR(bitmap->s_block_bitmap[block_group]); return block_group; + } retval = read_block_bitmap(sb, bitmap, block_group, block_group); if (retval < 0) @@ -133,7 +145,6 @@ static void udf_bitmap_free_blocks(struct super_block *sb, { struct udf_sb_info *sbi = UDF_SB(sb); struct buffer_head *bh = NULL; - struct udf_part_map *partmap; unsigned long block; unsigned long block_group; unsigned long bit; @@ -142,19 +153,9 @@ static void udf_bitmap_free_blocks(struct super_block *sb, unsigned long overflow; mutex_lock(&sbi->s_alloc_mutex); - partmap = &sbi->s_partmaps[bloc->partitionReferenceNum]; - if (bloc->logicalBlockNum + count < count || - (bloc->logicalBlockNum + count) > partmap->s_partition_len) { - udf_debug("%u < %d || %u + %u > %u\n", - bloc->logicalBlockNum, 0, - bloc->logicalBlockNum, count, - partmap->s_partition_len); - goto error_return; - } - + /* We make sure this cannot overflow when mounting the filesystem */ block = bloc->logicalBlockNum + offset + (sizeof(struct spaceBitmapDesc) << 3); - do { overflow = 0; block_group = block >> (sb->s_blocksize_bits + 3); @@ -384,7 +385,6 @@ static void udf_table_free_blocks(struct super_block *sb, uint32_t count) { struct udf_sb_info *sbi = UDF_SB(sb); - struct udf_part_map *partmap; uint32_t start, end; uint32_t elen; struct kernel_lb_addr eloc; @@ -393,16 +393,6 @@ static void udf_table_free_blocks(struct super_block *sb, struct udf_inode_info *iinfo; mutex_lock(&sbi->s_alloc_mutex); - partmap = &sbi->s_partmaps[bloc->partitionReferenceNum]; - if (bloc->logicalBlockNum + count < count || - (bloc->logicalBlockNum + count) > partmap->s_partition_len) { - udf_debug("%u < %d || %u + %u > %u\n", - bloc->logicalBlockNum, 0, - bloc->logicalBlockNum, count, - partmap->s_partition_len); - goto error_return; - } - iinfo = UDF_I(table); udf_add_free_space(sb, sbi->s_partition, count); @@ -677,6 +667,17 @@ void udf_free_blocks(struct super_block *sb, struct inode *inode, { uint16_t partition = bloc->partitionReferenceNum; struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition]; + uint32_t blk; + + if (check_add_overflow(bloc->logicalBlockNum, offset, &blk) || + check_add_overflow(blk, count, &blk) || + bloc->logicalBlockNum + count > map->s_partition_len) { + udf_debug("Invalid request to free blocks: (%d, %u), off %u, " + "len %u, partition len %u\n", + partition, bloc->logicalBlockNum, offset, count, + map->s_partition_len); + return; + } if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) { udf_bitmap_free_blocks(sb, map->s_uspace.s_bitmap, diff --git a/fs/udf/dir.c b/fs/udf/dir.c index 42e3e551fa..212393b12c 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -39,26 +39,13 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) { struct inode *dir = file_inode(file); - struct udf_inode_info *iinfo = UDF_I(dir); - struct udf_fileident_bh fibh = { .sbh = NULL, .ebh = NULL}; - struct fileIdentDesc *fi = NULL; - struct fileIdentDesc cfi; - udf_pblk_t block, iblock; loff_t nf_pos, emit_pos = 0; int flen; - unsigned char *fname = NULL, *copy_name = NULL; - unsigned char *nameptr; - uint16_t liu; - uint8_t lfi; - loff_t size = udf_ext0_offset(dir) + dir->i_size; - struct buffer_head *tmp, *bha[16]; - struct kernel_lb_addr eloc; - uint32_t elen; - sector_t offset; - int i, num, ret = 0; - struct extent_position epos = { NULL, 0, {0, 0} }; + unsigned char *fname = NULL; + int ret = 0; struct super_block *sb = dir->i_sb; bool pos_valid = false; + struct udf_fileident_iter iter; if (ctx->pos == 0) { if (!dir_emit_dot(file, ctx)) @@ -66,7 +53,7 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) ctx->pos = 1; } nf_pos = (ctx->pos - 1) << 2; - if (nf_pos >= size) + if (nf_pos >= dir->i_size) goto out; /* @@ -90,138 +77,57 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) goto out; } - if (nf_pos == 0) - nf_pos = udf_ext0_offset(dir); - - fibh.soffset = fibh.eoffset = nf_pos & (sb->s_blocksize - 1); - if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) { - if (inode_bmap(dir, nf_pos >> sb->s_blocksize_bits, - &epos, &eloc, &elen, &offset) - != (EXT_RECORDED_ALLOCATED >> 30)) { - ret = -ENOENT; - goto out; - } - block = udf_get_lb_pblock(sb, &eloc, offset); - if ((++offset << sb->s_blocksize_bits) < elen) { - if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT) - epos.offset -= sizeof(struct short_ad); - else if (iinfo->i_alloc_type == - ICBTAG_FLAG_AD_LONG) - epos.offset -= sizeof(struct long_ad); - } else { - offset = 0; - } - - if (!(fibh.sbh = fibh.ebh = udf_tread(sb, block))) { - ret = -EIO; - goto out; - } - - if (!(offset & ((16 >> (sb->s_blocksize_bits - 9)) - 1))) { - i = 16 >> (sb->s_blocksize_bits - 9); - if (i + offset > (elen >> sb->s_blocksize_bits)) - i = (elen >> sb->s_blocksize_bits) - offset; - for (num = 0; i > 0; i--) { - block = udf_get_lb_pblock(sb, &eloc, offset + i); - tmp = udf_tgetblk(sb, block); - if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp)) - bha[num++] = tmp; - else - brelse(tmp); - } - if (num) { - ll_rw_block(REQ_OP_READ, REQ_RAHEAD, num, bha); - for (i = 0; i < num; i++) - brelse(bha[i]); - } - } - } - - while (nf_pos < size) { + for (ret = udf_fiiter_init(&iter, dir, nf_pos); + !ret && iter.pos < dir->i_size; + ret = udf_fiiter_advance(&iter)) { struct kernel_lb_addr tloc; - loff_t cur_pos = nf_pos; + udf_pblk_t iblock; - /* Update file position only if we got past the current one */ - if (nf_pos >= emit_pos) { - ctx->pos = (nf_pos >> 2) + 1; - pos_valid = true; - } - - fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &epos, &eloc, - &elen, &offset); - if (!fi) - goto out; /* Still not at offset where user asked us to read from? */ - if (cur_pos < emit_pos) + if (iter.pos < emit_pos) continue; - liu = le16_to_cpu(cfi.lengthOfImpUse); - lfi = cfi.lengthFileIdent; - - if (fibh.sbh == fibh.ebh) { - nameptr = udf_get_fi_ident(fi); - } else { - int poffset; /* Unpaded ending offset */ - - poffset = fibh.soffset + sizeof(struct fileIdentDesc) + liu + lfi; - - if (poffset >= lfi) { - nameptr = (char *)(fibh.ebh->b_data + poffset - lfi); - } else { - if (!copy_name) { - copy_name = kmalloc(UDF_NAME_LEN, - GFP_NOFS); - if (!copy_name) { - ret = -ENOMEM; - goto out; - } - } - nameptr = copy_name; - memcpy(nameptr, udf_get_fi_ident(fi), - lfi - poffset); - memcpy(nameptr + lfi - poffset, - fibh.ebh->b_data, poffset); - } - } + /* Update file position only if we got past the current one */ + pos_valid = true; + ctx->pos = (iter.pos >> 2) + 1; - if ((cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) { + if (iter.fi.fileCharacteristics & FID_FILE_CHAR_DELETED) { if (!UDF_QUERY_FLAG(sb, UDF_FLAG_UNDELETE)) continue; } - if ((cfi.fileCharacteristics & FID_FILE_CHAR_HIDDEN) != 0) { + if (iter.fi.fileCharacteristics & FID_FILE_CHAR_HIDDEN) { if (!UDF_QUERY_FLAG(sb, UDF_FLAG_UNHIDE)) continue; } - if (cfi.fileCharacteristics & FID_FILE_CHAR_PARENT) { + if (iter.fi.fileCharacteristics & FID_FILE_CHAR_PARENT) { if (!dir_emit_dotdot(file, ctx)) - goto out; + goto out_iter; continue; } - flen = udf_get_filename(sb, nameptr, lfi, fname, UDF_NAME_LEN); + flen = udf_get_filename(sb, iter.name, + iter.fi.lengthFileIdent, fname, UDF_NAME_LEN); if (flen < 0) continue; - tloc = lelb_to_cpu(cfi.icb.extLocation); + tloc = lelb_to_cpu(iter.fi.icb.extLocation); iblock = udf_get_lb_pblock(sb, &tloc, 0); if (!dir_emit(ctx, fname, flen, iblock, DT_UNKNOWN)) - goto out; - } /* end while */ - - ctx->pos = (nf_pos >> 2) + 1; - pos_valid = true; + goto out_iter; + } + if (!ret) { + ctx->pos = (iter.pos >> 2) + 1; + pos_valid = true; + } +out_iter: + udf_fiiter_release(&iter); out: if (pos_valid) file->f_version = inode_query_iversion(dir); - if (fibh.sbh != fibh.ebh) - brelse(fibh.ebh); - brelse(fibh.sbh); - brelse(epos.bh); kfree(fname); - kfree(copy_name); return ret; } diff --git a/fs/udf/directory.c b/fs/udf/directory.c index 73720320f0..4f6c7b546b 100644 --- a/fs/udf/directory.c +++ b/fs/udf/directory.c @@ -17,183 +17,468 @@ #include #include #include +#include +#include +#include -struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos, - struct udf_fileident_bh *fibh, - struct fileIdentDesc *cfi, - struct extent_position *epos, - struct kernel_lb_addr *eloc, uint32_t *elen, - sector_t *offset) +static int udf_verify_fi(struct udf_fileident_iter *iter) { - struct fileIdentDesc *fi; - int i, num; - udf_pblk_t block; - struct buffer_head *tmp, *bha[16]; - struct udf_inode_info *iinfo = UDF_I(dir); - - fibh->soffset = fibh->eoffset; + unsigned int len; + + if (iter->fi.descTag.tagIdent != cpu_to_le16(TAG_IDENT_FID)) { + udf_err(iter->dir->i_sb, + "directory (ino %lu) has entry at pos %llu with incorrect tag %x\n", + iter->dir->i_ino, (unsigned long long)iter->pos, + le16_to_cpu(iter->fi.descTag.tagIdent)); + return -EFSCORRUPTED; + } + len = udf_dir_entry_len(&iter->fi); + if (le16_to_cpu(iter->fi.lengthOfImpUse) & 3) { + udf_err(iter->dir->i_sb, + "directory (ino %lu) has entry at pos %llu with unaligned lenght of impUse field\n", + iter->dir->i_ino, (unsigned long long)iter->pos); + return -EFSCORRUPTED; + } + /* + * This is in fact allowed by the spec due to long impUse field but + * we don't support it. If there is real media with this large impUse + * field, support can be added. + */ + if (len > 1 << iter->dir->i_blkbits) { + udf_err(iter->dir->i_sb, + "directory (ino %lu) has too big (%u) entry at pos %llu\n", + iter->dir->i_ino, len, (unsigned long long)iter->pos); + return -EFSCORRUPTED; + } + if (iter->pos + len > iter->dir->i_size) { + udf_err(iter->dir->i_sb, + "directory (ino %lu) has entry past directory size at pos %llu\n", + iter->dir->i_ino, (unsigned long long)iter->pos); + return -EFSCORRUPTED; + } + if (udf_dir_entry_len(&iter->fi) != + sizeof(struct tag) + le16_to_cpu(iter->fi.descTag.descCRCLength)) { + udf_err(iter->dir->i_sb, + "directory (ino %lu) has entry where CRC length (%u) does not match entry length (%u)\n", + iter->dir->i_ino, + (unsigned)le16_to_cpu(iter->fi.descTag.descCRCLength), + (unsigned)(udf_dir_entry_len(&iter->fi) - + sizeof(struct tag))); + return -EFSCORRUPTED; + } + return 0; +} +static int udf_copy_fi(struct udf_fileident_iter *iter) +{ + struct udf_inode_info *iinfo = UDF_I(iter->dir); + int blksize = 1 << iter->dir->i_blkbits; + int err, off, len, nameoff; + + /* Skip copying when we are at EOF */ + if (iter->pos >= iter->dir->i_size) { + iter->name = NULL; + return 0; + } + if (iter->dir->i_size < iter->pos + sizeof(struct fileIdentDesc)) { + udf_err(iter->dir->i_sb, + "directory (ino %lu) has entry straddling EOF\n", + iter->dir->i_ino); + return -EFSCORRUPTED; + } if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { - fi = udf_get_fileident(iinfo->i_data - - (iinfo->i_efe ? - sizeof(struct extendedFileEntry) : - sizeof(struct fileEntry)), - dir->i_sb->s_blocksize, - &(fibh->eoffset)); - if (!fi) - return NULL; - - *nf_pos += fibh->eoffset - fibh->soffset; - - memcpy((uint8_t *)cfi, (uint8_t *)fi, + memcpy(&iter->fi, iinfo->i_data + iinfo->i_lenEAttr + iter->pos, sizeof(struct fileIdentDesc)); + err = udf_verify_fi(iter); + if (err < 0) + return err; + iter->name = iinfo->i_data + iinfo->i_lenEAttr + iter->pos + + sizeof(struct fileIdentDesc) + + le16_to_cpu(iter->fi.lengthOfImpUse); + return 0; + } - return fi; + off = iter->pos & (blksize - 1); + len = min_t(int, sizeof(struct fileIdentDesc), blksize - off); + memcpy(&iter->fi, iter->bh[0]->b_data + off, len); + if (len < sizeof(struct fileIdentDesc)) + memcpy((char *)(&iter->fi) + len, iter->bh[1]->b_data, + sizeof(struct fileIdentDesc) - len); + err = udf_verify_fi(iter); + if (err < 0) + return err; + + /* Handle directory entry name */ + nameoff = off + sizeof(struct fileIdentDesc) + + le16_to_cpu(iter->fi.lengthOfImpUse); + if (off + udf_dir_entry_len(&iter->fi) <= blksize) { + iter->name = iter->bh[0]->b_data + nameoff; + } else if (nameoff >= blksize) { + iter->name = iter->bh[1]->b_data + (nameoff - blksize); + } else { + iter->name = iter->namebuf; + len = blksize - nameoff; + memcpy(iter->name, iter->bh[0]->b_data + nameoff, len); + memcpy(iter->name + len, iter->bh[1]->b_data, + iter->fi.lengthFileIdent - len); } + return 0; +} - if (fibh->eoffset == dir->i_sb->s_blocksize) { - uint32_t lextoffset = epos->offset; - unsigned char blocksize_bits = dir->i_sb->s_blocksize_bits; +/* Readahead 8k once we are at 8k boundary */ +static void udf_readahead_dir(struct udf_fileident_iter *iter) +{ + unsigned int ralen = 16 >> (iter->dir->i_blkbits - 9); + struct buffer_head *tmp, *bha[16]; + int i, num; + udf_pblk_t blk; + + if (iter->loffset & (ralen - 1)) + return; + + if (iter->loffset + ralen > (iter->elen >> iter->dir->i_blkbits)) + ralen = (iter->elen >> iter->dir->i_blkbits) - iter->loffset; + num = 0; + for (i = 0; i < ralen; i++) { + blk = udf_get_lb_pblock(iter->dir->i_sb, &iter->eloc, + iter->loffset + i); + tmp = udf_tgetblk(iter->dir->i_sb, blk); + if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp)) + bha[num++] = tmp; + else + brelse(tmp); + } + if (num) { + ll_rw_block(REQ_OP_READ, REQ_RAHEAD, num, bha); + for (i = 0; i < num; i++) + brelse(bha[i]); + } +} - if (udf_next_aext(dir, epos, eloc, elen, 1) != - (EXT_RECORDED_ALLOCATED >> 30)) - return NULL; +static struct buffer_head *udf_fiiter_bread_blk(struct udf_fileident_iter *iter) +{ + udf_pblk_t blk; - block = udf_get_lb_pblock(dir->i_sb, eloc, *offset); + udf_readahead_dir(iter); + blk = udf_get_lb_pblock(iter->dir->i_sb, &iter->eloc, iter->loffset); + return udf_tread(iter->dir->i_sb, blk); +} - (*offset)++; +/* + * Updates loffset to point to next directory block; eloc, elen & epos are + * updated if we need to traverse to the next extent as well. + */ +static int udf_fiiter_advance_blk(struct udf_fileident_iter *iter) +{ + iter->loffset++; + if (iter->loffset < iter->elen >> iter->dir->i_blkbits) + return 0; + + iter->loffset = 0; + if (udf_next_aext(iter->dir, &iter->epos, &iter->eloc, &iter->elen, 1) + != (EXT_RECORDED_ALLOCATED >> 30)) { + if (iter->pos == iter->dir->i_size) { + iter->elen = 0; + return 0; + } + udf_err(iter->dir->i_sb, + "extent after position %llu not allocated in directory (ino %lu)\n", + (unsigned long long)iter->pos, iter->dir->i_ino); + return -EFSCORRUPTED; + } + return 0; +} - if ((*offset << blocksize_bits) >= *elen) - *offset = 0; - else - epos->offset = lextoffset; +static int udf_fiiter_load_bhs(struct udf_fileident_iter *iter) +{ + int blksize = 1 << iter->dir->i_blkbits; + int off = iter->pos & (blksize - 1); + int err; + struct fileIdentDesc *fi; - brelse(fibh->sbh); - fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block); - if (!fibh->sbh) - return NULL; - fibh->soffset = fibh->eoffset = 0; - - if (!(*offset & ((16 >> (blocksize_bits - 9)) - 1))) { - i = 16 >> (blocksize_bits - 9); - if (i + *offset > (*elen >> blocksize_bits)) - i = (*elen >> blocksize_bits)-*offset; - for (num = 0; i > 0; i--) { - block = udf_get_lb_pblock(dir->i_sb, eloc, - *offset + i); - tmp = udf_tgetblk(dir->i_sb, block); - if (tmp && !buffer_uptodate(tmp) && - !buffer_locked(tmp)) - bha[num++] = tmp; - else - brelse(tmp); - } - if (num) { - ll_rw_block(REQ_OP_READ, REQ_RAHEAD, num, bha); - for (i = 0; i < num; i++) - brelse(bha[i]); - } + /* Is there any further extent we can map from? */ + if (!iter->bh[0] && iter->elen) { + iter->bh[0] = udf_fiiter_bread_blk(iter); + if (!iter->bh[0]) { + err = -ENOMEM; + goto out_brelse; + } + if (!buffer_uptodate(iter->bh[0])) { + err = -EIO; + goto out_brelse; } - } else if (fibh->sbh != fibh->ebh) { - brelse(fibh->sbh); - fibh->sbh = fibh->ebh; } + /* There's no next block so we are done */ + if (iter->pos >= iter->dir->i_size) + return 0; + /* Need to fetch next block as well? */ + if (off + sizeof(struct fileIdentDesc) > blksize) + goto fetch_next; + fi = (struct fileIdentDesc *)(iter->bh[0]->b_data + off); + /* Need to fetch next block to get name? */ + if (off + udf_dir_entry_len(fi) > blksize) { +fetch_next: + udf_fiiter_advance_blk(iter); + iter->bh[1] = udf_fiiter_bread_blk(iter); + if (!iter->bh[1]) { + err = -ENOMEM; + goto out_brelse; + } + if (!buffer_uptodate(iter->bh[1])) { + err = -EIO; + goto out_brelse; + } + } + return 0; +out_brelse: + brelse(iter->bh[0]); + brelse(iter->bh[1]); + iter->bh[0] = iter->bh[1] = NULL; + return err; +} - fi = udf_get_fileident(fibh->sbh->b_data, dir->i_sb->s_blocksize, - &(fibh->eoffset)); - - if (!fi) - return NULL; +int udf_fiiter_init(struct udf_fileident_iter *iter, struct inode *dir, + loff_t pos) +{ + struct udf_inode_info *iinfo = UDF_I(dir); + int err = 0; + + iter->dir = dir; + iter->bh[0] = iter->bh[1] = NULL; + iter->pos = pos; + iter->elen = 0; + iter->epos.bh = NULL; + iter->name = NULL; + /* + * When directory is verified, we don't expect directory iteration to + * fail and it can be difficult to undo without corrupting filesystem. + * So just do not allow memory allocation failures here. + */ + iter->namebuf = kmalloc(UDF_NAME_LEN_CS0, GFP_KERNEL | __GFP_NOFAIL); - *nf_pos += fibh->eoffset - fibh->soffset; + if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { + err = udf_copy_fi(iter); + goto out; + } - if (fibh->eoffset <= dir->i_sb->s_blocksize) { - memcpy((uint8_t *)cfi, (uint8_t *)fi, - sizeof(struct fileIdentDesc)); - } else if (fibh->eoffset > dir->i_sb->s_blocksize) { - uint32_t lextoffset = epos->offset; + if (inode_bmap(dir, iter->pos >> dir->i_blkbits, &iter->epos, + &iter->eloc, &iter->elen, &iter->loffset) != + (EXT_RECORDED_ALLOCATED >> 30)) { + if (pos == dir->i_size) + return 0; + udf_err(dir->i_sb, + "position %llu not allocated in directory (ino %lu)\n", + (unsigned long long)pos, dir->i_ino); + err = -EFSCORRUPTED; + goto out; + } + err = udf_fiiter_load_bhs(iter); + if (err < 0) + goto out; + err = udf_copy_fi(iter); +out: + if (err < 0) + udf_fiiter_release(iter); + return err; +} - if (udf_next_aext(dir, epos, eloc, elen, 1) != - (EXT_RECORDED_ALLOCATED >> 30)) - return NULL; +int udf_fiiter_advance(struct udf_fileident_iter *iter) +{ + unsigned int oldoff, len; + int blksize = 1 << iter->dir->i_blkbits; + int err; + + oldoff = iter->pos & (blksize - 1); + len = udf_dir_entry_len(&iter->fi); + iter->pos += len; + if (UDF_I(iter->dir)->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) { + if (oldoff + len >= blksize) { + brelse(iter->bh[0]); + iter->bh[0] = NULL; + /* Next block already loaded? */ + if (iter->bh[1]) { + iter->bh[0] = iter->bh[1]; + iter->bh[1] = NULL; + } else { + udf_fiiter_advance_blk(iter); + } + } + err = udf_fiiter_load_bhs(iter); + if (err < 0) + return err; + } + return udf_copy_fi(iter); +} - block = udf_get_lb_pblock(dir->i_sb, eloc, *offset); +void udf_fiiter_release(struct udf_fileident_iter *iter) +{ + iter->dir = NULL; + brelse(iter->bh[0]); + brelse(iter->bh[1]); + iter->bh[0] = iter->bh[1] = NULL; + kfree(iter->namebuf); + iter->namebuf = NULL; +} - (*offset)++; +static void udf_copy_to_bufs(void *buf1, int len1, void *buf2, int len2, + int off, void *src, int len) +{ + int copy; + + if (off >= len1) { + off -= len1; + } else { + copy = min(off + len, len1) - off; + memcpy(buf1 + off, src, copy); + src += copy; + len -= copy; + off = 0; + } + if (len > 0) { + if (WARN_ON_ONCE(off + len > len2 || !buf2)) + return; + memcpy(buf2 + off, src, len); + } +} - if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen) - *offset = 0; - else - epos->offset = lextoffset; +static uint16_t udf_crc_fi_bufs(void *buf1, int len1, void *buf2, int len2, + int off, int len) +{ + int copy; + uint16_t crc = 0; + + if (off >= len1) { + off -= len1; + } else { + copy = min(off + len, len1) - off; + crc = crc_itu_t(crc, buf1 + off, copy); + len -= copy; + off = 0; + } + if (len > 0) { + if (WARN_ON_ONCE(off + len > len2 || !buf2)) + return 0; + crc = crc_itu_t(crc, buf2 + off, len); + } + return crc; +} - fibh->soffset -= dir->i_sb->s_blocksize; - fibh->eoffset -= dir->i_sb->s_blocksize; +static void udf_copy_fi_to_bufs(char *buf1, int len1, char *buf2, int len2, + int off, struct fileIdentDesc *fi, + uint8_t *impuse, uint8_t *name) +{ + uint16_t crc; + int fioff = off; + int crcoff = off + sizeof(struct tag); + unsigned int crclen = udf_dir_entry_len(fi) - sizeof(struct tag); + + udf_copy_to_bufs(buf1, len1, buf2, len2, off, fi, + sizeof(struct fileIdentDesc)); + off += sizeof(struct fileIdentDesc); + if (impuse) + udf_copy_to_bufs(buf1, len1, buf2, len2, off, impuse, + le16_to_cpu(fi->lengthOfImpUse)); + off += le16_to_cpu(fi->lengthOfImpUse); + if (name) + udf_copy_to_bufs(buf1, len1, buf2, len2, off, name, + fi->lengthFileIdent); + + crc = udf_crc_fi_bufs(buf1, len1, buf2, len2, crcoff, crclen); + fi->descTag.descCRC = cpu_to_le16(crc); + fi->descTag.descCRCLength = cpu_to_le16(crclen); + fi->descTag.tagChecksum = udf_tag_checksum(&fi->descTag); + + udf_copy_to_bufs(buf1, len1, buf2, len2, fioff, fi, sizeof(struct tag)); +} - fibh->ebh = udf_tread(dir->i_sb, block); - if (!fibh->ebh) - return NULL; +void udf_fiiter_write_fi(struct udf_fileident_iter *iter, uint8_t *impuse) +{ + struct udf_inode_info *iinfo = UDF_I(iter->dir); + void *buf1, *buf2 = NULL; + int len1, len2 = 0, off; + int blksize = 1 << iter->dir->i_blkbits; - if (sizeof(struct fileIdentDesc) > -fibh->soffset) { - int fi_len; + off = iter->pos & (blksize - 1); + if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { + buf1 = iinfo->i_data + iinfo->i_lenEAttr; + len1 = iter->dir->i_size; + } else { + buf1 = iter->bh[0]->b_data; + len1 = blksize; + if (iter->bh[1]) { + buf2 = iter->bh[1]->b_data; + len2 = blksize; + } + } - memcpy((uint8_t *)cfi, (uint8_t *)fi, -fibh->soffset); - memcpy((uint8_t *)cfi - fibh->soffset, - fibh->ebh->b_data, - sizeof(struct fileIdentDesc) + fibh->soffset); + udf_copy_fi_to_bufs(buf1, len1, buf2, len2, off, &iter->fi, impuse, + iter->name == iter->namebuf ? iter->name : NULL); - fi_len = udf_dir_entry_len(cfi); - *nf_pos += fi_len - (fibh->eoffset - fibh->soffset); - fibh->eoffset = fibh->soffset + fi_len; - } else { - memcpy((uint8_t *)cfi, (uint8_t *)fi, - sizeof(struct fileIdentDesc)); - } + if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { + mark_inode_dirty(iter->dir); + } else { + mark_buffer_dirty_inode(iter->bh[0], iter->dir); + if (iter->bh[1]) + mark_buffer_dirty_inode(iter->bh[1], iter->dir); } - /* Got last entry outside of dir size - fs is corrupted! */ - if (*nf_pos > dir->i_size) - return NULL; - return fi; + inode_inc_iversion(iter->dir); } -struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, int *offset) +void udf_fiiter_update_elen(struct udf_fileident_iter *iter, uint32_t new_elen) { - struct fileIdentDesc *fi; - int lengthThisIdent; - uint8_t *ptr; - int padlen; + struct udf_inode_info *iinfo = UDF_I(iter->dir); + int diff = new_elen - iter->elen; + + /* Skip update when we already went past the last extent */ + if (!iter->elen) + return; + iter->elen = new_elen; + if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT) + iter->epos.offset -= sizeof(struct short_ad); + else if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG) + iter->epos.offset -= sizeof(struct long_ad); + udf_write_aext(iter->dir, &iter->epos, &iter->eloc, iter->elen, 1); + iinfo->i_lenExtents += diff; + mark_inode_dirty(iter->dir); +} - if ((!buffer) || (!offset)) { - udf_debug("invalidparms, buffer=%p, offset=%p\n", - buffer, offset); - return NULL; +/* Append new block to directory. @iter is expected to point at EOF */ +int udf_fiiter_append_blk(struct udf_fileident_iter *iter) +{ + struct udf_inode_info *iinfo = UDF_I(iter->dir); + int blksize = 1 << iter->dir->i_blkbits; + struct buffer_head *bh; + sector_t block; + uint32_t old_elen = iter->elen; + int err; + + if (WARN_ON_ONCE(iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)) + return -EINVAL; + + /* Round up last extent in the file */ + udf_fiiter_update_elen(iter, ALIGN(iter->elen, blksize)); + + /* Allocate new block and refresh mapping information */ + block = iinfo->i_lenExtents >> iter->dir->i_blkbits; + bh = udf_bread(iter->dir, block, 1, &err); + if (!bh) { + udf_fiiter_update_elen(iter, old_elen); + return err; } - - ptr = buffer; - - if ((*offset > 0) && (*offset < bufsize)) - ptr += *offset; - fi = (struct fileIdentDesc *)ptr; - if (fi->descTag.tagIdent != cpu_to_le16(TAG_IDENT_FID)) { - udf_debug("0x%x != TAG_IDENT_FID\n", - le16_to_cpu(fi->descTag.tagIdent)); - udf_debug("offset: %d sizeof: %lu bufsize: %d\n", - *offset, (unsigned long)sizeof(struct fileIdentDesc), - bufsize); - return NULL; + if (inode_bmap(iter->dir, block, &iter->epos, &iter->eloc, &iter->elen, + &iter->loffset) != (EXT_RECORDED_ALLOCATED >> 30)) { + udf_err(iter->dir->i_sb, + "block %llu not allocated in directory (ino %lu)\n", + (unsigned long long)block, iter->dir->i_ino); + return -EFSCORRUPTED; } - if ((*offset + sizeof(struct fileIdentDesc)) > bufsize) - lengthThisIdent = sizeof(struct fileIdentDesc); - else - lengthThisIdent = sizeof(struct fileIdentDesc) + - fi->lengthFileIdent + le16_to_cpu(fi->lengthOfImpUse); - - /* we need to figure padding, too! */ - padlen = lengthThisIdent % UDF_NAME_PAD; - if (padlen) - lengthThisIdent += (UDF_NAME_PAD - padlen); - *offset = *offset + lengthThisIdent; - - return fi; + if (!(iter->pos & (blksize - 1))) { + brelse(iter->bh[0]); + iter->bh[0] = bh; + } else { + iter->bh[1] = bh; + } + return 0; } struct short_ad *udf_get_fileshortad(uint8_t *ptr, int maxoffset, uint32_t *offset, diff --git a/fs/udf/inode.c b/fs/udf/inode.c index da6fb28b4e..4983abca73 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -324,96 +324,6 @@ int udf_expand_file_adinicb(struct inode *inode) return err; } -struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, - udf_pblk_t *block, int *err) -{ - udf_pblk_t newblock; - struct buffer_head *dbh = NULL; - struct kernel_lb_addr eloc; - uint8_t alloctype; - struct extent_position epos; - - struct udf_fileident_bh sfibh, dfibh; - loff_t f_pos = udf_ext0_offset(inode); - int size = udf_ext0_offset(inode) + inode->i_size; - struct fileIdentDesc cfi, *sfi, *dfi; - struct udf_inode_info *iinfo = UDF_I(inode); - - if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD)) - alloctype = ICBTAG_FLAG_AD_SHORT; - else - alloctype = ICBTAG_FLAG_AD_LONG; - - if (!inode->i_size) { - iinfo->i_alloc_type = alloctype; - mark_inode_dirty(inode); - return NULL; - } - - /* alloc block, and copy data to it */ - *block = udf_new_block(inode->i_sb, inode, - iinfo->i_location.partitionReferenceNum, - iinfo->i_location.logicalBlockNum, err); - if (!(*block)) - return NULL; - newblock = udf_get_pblock(inode->i_sb, *block, - iinfo->i_location.partitionReferenceNum, - 0); - if (!newblock) - return NULL; - dbh = udf_tgetblk(inode->i_sb, newblock); - if (!dbh) - return NULL; - lock_buffer(dbh); - memset(dbh->b_data, 0x00, inode->i_sb->s_blocksize); - set_buffer_uptodate(dbh); - unlock_buffer(dbh); - mark_buffer_dirty_inode(dbh, inode); - - sfibh.soffset = sfibh.eoffset = - f_pos & (inode->i_sb->s_blocksize - 1); - sfibh.sbh = sfibh.ebh = NULL; - dfibh.soffset = dfibh.eoffset = 0; - dfibh.sbh = dfibh.ebh = dbh; - while (f_pos < size) { - iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB; - sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, - NULL, NULL, NULL); - if (!sfi) { - brelse(dbh); - return NULL; - } - iinfo->i_alloc_type = alloctype; - sfi->descTag.tagLocation = cpu_to_le32(*block); - dfibh.soffset = dfibh.eoffset; - dfibh.eoffset += (sfibh.eoffset - sfibh.soffset); - dfi = (struct fileIdentDesc *)(dbh->b_data + dfibh.soffset); - if (udf_write_fi(inode, sfi, dfi, &dfibh, sfi->impUse, - udf_get_fi_ident(sfi))) { - iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB; - brelse(dbh); - return NULL; - } - } - mark_buffer_dirty_inode(dbh, inode); - - memset(iinfo->i_data + iinfo->i_lenEAttr, 0, iinfo->i_lenAlloc); - iinfo->i_lenAlloc = 0; - eloc.logicalBlockNum = *block; - eloc.partitionReferenceNum = - iinfo->i_location.partitionReferenceNum; - iinfo->i_lenExtents = inode->i_size; - epos.bh = NULL; - epos.block = iinfo->i_location; - epos.offset = udf_file_entry_alloc_offset(inode); - udf_add_aext(inode, &epos, &eloc, inode->i_size, 0); - /* UniqueID stuff */ - - brelse(epos.bh); - mark_inode_dirty(inode); - return dbh; -} - static int udf_get_block(struct inode *inode, sector_t block, struct buffer_head *bh_result, int create) { @@ -2190,12 +2100,15 @@ int8_t udf_current_aext(struct inode *inode, struct extent_position *epos, alen = udf_file_entry_alloc_offset(inode) + iinfo->i_lenAlloc; } else { + struct allocExtDesc *header = + (struct allocExtDesc *)epos->bh->b_data; + if (!epos->offset) epos->offset = sizeof(struct allocExtDesc); ptr = epos->bh->b_data + epos->offset; - alen = sizeof(struct allocExtDesc) + - le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)-> - lengthAllocDescs); + if (check_add_overflow(sizeof(struct allocExtDesc), + le32_to_cpu(header->lengthAllocDescs), &alen)) + return -1; } switch (iinfo->i_alloc_type) { diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 0e30a50060..5e39cbc745 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -41,283 +41,93 @@ static inline int udf_match(int len1, const unsigned char *name1, int len2, return !memcmp(name1, name2, len1); } -int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi, - struct fileIdentDesc *sfi, struct udf_fileident_bh *fibh, - uint8_t *impuse, uint8_t *fileident) -{ - uint16_t crclen = fibh->eoffset - fibh->soffset - sizeof(struct tag); - uint16_t crc; - int offset; - uint16_t liu = le16_to_cpu(cfi->lengthOfImpUse); - uint8_t lfi = cfi->lengthFileIdent; - int padlen = fibh->eoffset - fibh->soffset - liu - lfi - - sizeof(struct fileIdentDesc); - int adinicb = 0; - - if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) - adinicb = 1; - - offset = fibh->soffset + sizeof(struct fileIdentDesc); - - if (impuse) { - if (adinicb || (offset + liu < 0)) { - memcpy((uint8_t *)sfi->impUse, impuse, liu); - } else if (offset >= 0) { - memcpy(fibh->ebh->b_data + offset, impuse, liu); - } else { - memcpy((uint8_t *)sfi->impUse, impuse, -offset); - memcpy(fibh->ebh->b_data, impuse - offset, - liu + offset); - } - } - - offset += liu; - - if (fileident) { - if (adinicb || (offset + lfi < 0)) { - memcpy(sfi->impUse + liu, fileident, lfi); - } else if (offset >= 0) { - memcpy(fibh->ebh->b_data + offset, fileident, lfi); - } else { - memcpy(sfi->impUse + liu, fileident, -offset); - memcpy(fibh->ebh->b_data, fileident - offset, - lfi + offset); - } - } - - offset += lfi; - - if (adinicb || (offset + padlen < 0)) { - memset(sfi->impUse + liu + lfi, 0x00, padlen); - } else if (offset >= 0) { - memset(fibh->ebh->b_data + offset, 0x00, padlen); - } else { - memset(sfi->impUse + liu + lfi, 0x00, -offset); - memset(fibh->ebh->b_data, 0x00, padlen + offset); - } - - crc = crc_itu_t(0, (uint8_t *)cfi + sizeof(struct tag), - sizeof(struct fileIdentDesc) - sizeof(struct tag)); - - if (fibh->sbh == fibh->ebh) { - crc = crc_itu_t(crc, (uint8_t *)sfi->impUse, - crclen + sizeof(struct tag) - - sizeof(struct fileIdentDesc)); - } else if (sizeof(struct fileIdentDesc) >= -fibh->soffset) { - crc = crc_itu_t(crc, fibh->ebh->b_data + - sizeof(struct fileIdentDesc) + - fibh->soffset, - crclen + sizeof(struct tag) - - sizeof(struct fileIdentDesc)); - } else { - crc = crc_itu_t(crc, (uint8_t *)sfi->impUse, - -fibh->soffset - sizeof(struct fileIdentDesc)); - crc = crc_itu_t(crc, fibh->ebh->b_data, fibh->eoffset); - } - - cfi->descTag.descCRC = cpu_to_le16(crc); - cfi->descTag.descCRCLength = cpu_to_le16(crclen); - cfi->descTag.tagChecksum = udf_tag_checksum(&cfi->descTag); - - if (adinicb || (sizeof(struct fileIdentDesc) <= -fibh->soffset)) { - memcpy((uint8_t *)sfi, (uint8_t *)cfi, - sizeof(struct fileIdentDesc)); - } else { - memcpy((uint8_t *)sfi, (uint8_t *)cfi, -fibh->soffset); - memcpy(fibh->ebh->b_data, (uint8_t *)cfi - fibh->soffset, - sizeof(struct fileIdentDesc) + fibh->soffset); - } - - if (adinicb) { - mark_inode_dirty(inode); - } else { - if (fibh->sbh != fibh->ebh) - mark_buffer_dirty_inode(fibh->ebh, inode); - mark_buffer_dirty_inode(fibh->sbh, inode); - } - inode_inc_iversion(inode); - - return 0; -} - /** - * udf_find_entry - find entry in given directory. + * udf_fiiter_find_entry - find entry in given directory. * * @dir: directory inode to search in * @child: qstr of the name - * @fibh: buffer head / inode with file identifier descriptor we found - * @cfi: found file identifier descriptor with given name + * @iter: iter to use for searching * * This function searches in the directory @dir for a file name @child. When - * found, @fibh points to the buffer head(s) (bh is NULL for in ICB - * directories) containing the file identifier descriptor (FID). In that case - * the function returns pointer to the FID in the buffer or inode - but note - * that FID may be split among two buffers (blocks) so accessing it via that - * pointer isn't easily possible. This pointer can be used only as an iterator - * for other directory manipulation functions. For inspection of the FID @cfi - * can be used - the found FID is copied there. + * found, @iter points to the position in the directory with given entry. * - * Returns pointer to FID, NULL when nothing found, or error code. + * Returns 0 on success, < 0 on error (including -ENOENT). */ -static struct fileIdentDesc *udf_find_entry(struct inode *dir, - const struct qstr *child, - struct udf_fileident_bh *fibh, - struct fileIdentDesc *cfi) +static int udf_fiiter_find_entry(struct inode *dir, const struct qstr *child, + struct udf_fileident_iter *iter) { - struct fileIdentDesc *fi = NULL; - loff_t f_pos; - udf_pblk_t block; int flen; - unsigned char *fname = NULL, *copy_name = NULL; - unsigned char *nameptr; - uint8_t lfi; - uint16_t liu; - loff_t size; - struct kernel_lb_addr eloc; - uint32_t elen; - sector_t offset; - struct extent_position epos = {}; - struct udf_inode_info *dinfo = UDF_I(dir); + unsigned char *fname = NULL; + struct super_block *sb = dir->i_sb; int isdotdot = child->len == 2 && child->name[0] == '.' && child->name[1] == '.'; - struct super_block *sb = dir->i_sb; - - size = udf_ext0_offset(dir) + dir->i_size; - f_pos = udf_ext0_offset(dir); - - fibh->sbh = fibh->ebh = NULL; - fibh->soffset = fibh->eoffset = f_pos & (sb->s_blocksize - 1); - if (dinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) { - if (inode_bmap(dir, f_pos >> sb->s_blocksize_bits, &epos, - &eloc, &elen, &offset) != (EXT_RECORDED_ALLOCATED >> 30)) { - fi = ERR_PTR(-EIO); - goto out_err; - } - - block = udf_get_lb_pblock(sb, &eloc, offset); - if ((++offset << sb->s_blocksize_bits) < elen) { - if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT) - epos.offset -= sizeof(struct short_ad); - else if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG) - epos.offset -= sizeof(struct long_ad); - } else - offset = 0; - - fibh->sbh = fibh->ebh = udf_tread(sb, block); - if (!fibh->sbh) { - fi = ERR_PTR(-EIO); - goto out_err; - } - } + int ret; fname = kmalloc(UDF_NAME_LEN, GFP_NOFS); - if (!fname) { - fi = ERR_PTR(-ENOMEM); - goto out_err; - } - - while (f_pos < size) { - fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, - &elen, &offset); - if (!fi) { - fi = ERR_PTR(-EIO); - goto out_err; - } - - liu = le16_to_cpu(cfi->lengthOfImpUse); - lfi = cfi->lengthFileIdent; - - if (fibh->sbh == fibh->ebh) { - nameptr = udf_get_fi_ident(fi); - } else { - int poffset; /* Unpaded ending offset */ - - poffset = fibh->soffset + sizeof(struct fileIdentDesc) + - liu + lfi; - - if (poffset >= lfi) - nameptr = (uint8_t *)(fibh->ebh->b_data + - poffset - lfi); - else { - if (!copy_name) { - copy_name = kmalloc(UDF_NAME_LEN_CS0, - GFP_NOFS); - if (!copy_name) { - fi = ERR_PTR(-ENOMEM); - goto out_err; - } - } - nameptr = copy_name; - memcpy(nameptr, udf_get_fi_ident(fi), - lfi - poffset); - memcpy(nameptr + lfi - poffset, - fibh->ebh->b_data, poffset); - } - } + if (!fname) + return -ENOMEM; - if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) { + for (ret = udf_fiiter_init(iter, dir, 0); + !ret && iter->pos < dir->i_size; + ret = udf_fiiter_advance(iter)) { + if (iter->fi.fileCharacteristics & FID_FILE_CHAR_DELETED) { if (!UDF_QUERY_FLAG(sb, UDF_FLAG_UNDELETE)) continue; } - if ((cfi->fileCharacteristics & FID_FILE_CHAR_HIDDEN) != 0) { + if (iter->fi.fileCharacteristics & FID_FILE_CHAR_HIDDEN) { if (!UDF_QUERY_FLAG(sb, UDF_FLAG_UNHIDE)) continue; } - if ((cfi->fileCharacteristics & FID_FILE_CHAR_PARENT) && + if ((iter->fi.fileCharacteristics & FID_FILE_CHAR_PARENT) && isdotdot) goto out_ok; - if (!lfi) + if (!iter->fi.lengthFileIdent) continue; - flen = udf_get_filename(sb, nameptr, lfi, fname, UDF_NAME_LEN); + flen = udf_get_filename(sb, iter->name, + iter->fi.lengthFileIdent, fname, UDF_NAME_LEN); if (flen < 0) { - fi = ERR_PTR(flen); + ret = flen; goto out_err; } if (udf_match(flen, fname, child->len, child->name)) goto out_ok; } + if (!ret) + ret = -ENOENT; - fi = NULL; out_err: - if (fibh->sbh != fibh->ebh) - brelse(fibh->ebh); - brelse(fibh->sbh); + udf_fiiter_release(iter); out_ok: - brelse(epos.bh); kfree(fname); - kfree(copy_name); - return fi; + return ret; } static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct inode *inode = NULL; - struct fileIdentDesc cfi; - struct udf_fileident_bh fibh; - struct fileIdentDesc *fi; + struct udf_fileident_iter iter; + int err; if (dentry->d_name.len > UDF_NAME_LEN) return ERR_PTR(-ENAMETOOLONG); - fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi); - if (IS_ERR(fi)) - return ERR_CAST(fi); + err = udf_fiiter_find_entry(dir, &dentry->d_name, &iter); + if (err < 0 && err != -ENOENT) + return ERR_PTR(err); - if (fi) { + if (err == 0) { struct kernel_lb_addr loc; - if (fibh.sbh != fibh.ebh) - brelse(fibh.ebh); - brelse(fibh.sbh); + loc = lelb_to_cpu(iter.fi.icb.extLocation); + udf_fiiter_release(&iter); - loc = lelb_to_cpu(cfi.icb.extLocation); inode = udf_iget(dir->i_sb, &loc); if (IS_ERR(inode)) return ERR_CAST(inode); @@ -326,281 +136,227 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry, return d_splice_alias(inode, dentry); } -static struct fileIdentDesc *udf_add_entry(struct inode *dir, - struct dentry *dentry, - struct udf_fileident_bh *fibh, - struct fileIdentDesc *cfi, int *err) +static int udf_expand_dir_adinicb(struct inode *inode, udf_pblk_t *block) { - struct super_block *sb = dir->i_sb; - struct fileIdentDesc *fi = NULL; - unsigned char *name = NULL; - int namelen; - loff_t f_pos; - loff_t size = udf_ext0_offset(dir) + dir->i_size; - int nfidlen; - udf_pblk_t block; + udf_pblk_t newblock; + struct buffer_head *dbh = NULL; struct kernel_lb_addr eloc; - uint32_t elen = 0; - sector_t offset; - struct extent_position epos = {}; - struct udf_inode_info *dinfo; + struct extent_position epos; + uint8_t alloctype; + struct udf_inode_info *iinfo = UDF_I(inode); + struct udf_fileident_iter iter; + uint8_t *impuse; + int ret; - fibh->sbh = fibh->ebh = NULL; - name = kmalloc(UDF_NAME_LEN_CS0, GFP_NOFS); - if (!name) { - *err = -ENOMEM; - goto out_err; - } + if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD)) + alloctype = ICBTAG_FLAG_AD_SHORT; + else + alloctype = ICBTAG_FLAG_AD_LONG; - if (dentry) { - if (!dentry->d_name.len) { - *err = -EINVAL; - goto out_err; - } - namelen = udf_put_filename(sb, dentry->d_name.name, - dentry->d_name.len, - name, UDF_NAME_LEN_CS0); - if (!namelen) { - *err = -ENAMETOOLONG; - goto out_err; - } - } else { - namelen = 0; + if (!inode->i_size) { + iinfo->i_alloc_type = alloctype; + mark_inode_dirty(inode); + return 0; } - nfidlen = ALIGN(sizeof(struct fileIdentDesc) + namelen, UDF_NAME_PAD); - - f_pos = udf_ext0_offset(dir); - - fibh->soffset = fibh->eoffset = f_pos & (dir->i_sb->s_blocksize - 1); - dinfo = UDF_I(dir); - if (dinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) { - if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits, &epos, - &eloc, &elen, &offset) != (EXT_RECORDED_ALLOCATED >> 30)) { - block = udf_get_lb_pblock(dir->i_sb, - &dinfo->i_location, 0); - fibh->soffset = fibh->eoffset = sb->s_blocksize; - goto add; - } - block = udf_get_lb_pblock(dir->i_sb, &eloc, offset); - if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { - if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT) - epos.offset -= sizeof(struct short_ad); - else if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG) - epos.offset -= sizeof(struct long_ad); - } else - offset = 0; - - fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block); - if (!fibh->sbh) { - *err = -EIO; - goto out_err; - } + /* alloc block, and copy data to it */ + *block = udf_new_block(inode->i_sb, inode, + iinfo->i_location.partitionReferenceNum, + iinfo->i_location.logicalBlockNum, &ret); + if (!(*block)) + return ret; + newblock = udf_get_pblock(inode->i_sb, *block, + iinfo->i_location.partitionReferenceNum, + 0); + if (newblock == 0xffffffff) + return -EFSCORRUPTED; + dbh = udf_tgetblk(inode->i_sb, newblock); + if (!dbh) + return -ENOMEM; + lock_buffer(dbh); + memcpy(dbh->b_data, iinfo->i_data, inode->i_size); + memset(dbh->b_data + inode->i_size, 0, + inode->i_sb->s_blocksize - inode->i_size); + set_buffer_uptodate(dbh); + unlock_buffer(dbh); + + /* Drop inline data, add block instead */ + iinfo->i_alloc_type = alloctype; + memset(iinfo->i_data + iinfo->i_lenEAttr, 0, iinfo->i_lenAlloc); + iinfo->i_lenAlloc = 0; + eloc.logicalBlockNum = *block; + eloc.partitionReferenceNum = + iinfo->i_location.partitionReferenceNum; + iinfo->i_lenExtents = inode->i_size; + epos.bh = NULL; + epos.block = iinfo->i_location; + epos.offset = udf_file_entry_alloc_offset(inode); + ret = udf_add_aext(inode, &epos, &eloc, inode->i_size, 0); + brelse(epos.bh); + if (ret < 0) { + brelse(dbh); + udf_free_blocks(inode->i_sb, inode, &eloc, 0, 1); + return ret; + } + mark_inode_dirty(inode); - block = dinfo->i_location.logicalBlockNum; + /* Now fixup tags in moved directory entries */ + for (ret = udf_fiiter_init(&iter, inode, 0); + !ret && iter.pos < inode->i_size; + ret = udf_fiiter_advance(&iter)) { + iter.fi.descTag.tagLocation = cpu_to_le32(*block); + if (iter.fi.lengthOfImpUse != cpu_to_le16(0)) + impuse = dbh->b_data + iter.pos + + sizeof(struct fileIdentDesc); + else + impuse = NULL; + udf_fiiter_write_fi(&iter, impuse); } + brelse(dbh); + /* + * We don't expect the iteration to fail as the directory has been + * already verified to be correct + */ + WARN_ON_ONCE(ret); + udf_fiiter_release(&iter); + + return 0; +} - while (f_pos < size) { - fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, - &elen, &offset); +static int udf_fiiter_add_entry(struct inode *dir, struct dentry *dentry, + struct udf_fileident_iter *iter) +{ + struct udf_inode_info *dinfo = UDF_I(dir); + int nfidlen, namelen = 0; + int ret; + int off, blksize = 1 << dir->i_blkbits; + udf_pblk_t block; + char name[UDF_NAME_LEN_CS0]; - if (!fi) { - *err = -EIO; - goto out_err; - } + if (dentry) { + if (!dentry->d_name.len) + return -EINVAL; + namelen = udf_put_filename(dir->i_sb, dentry->d_name.name, + dentry->d_name.len, + name, UDF_NAME_LEN_CS0); + if (!namelen) + return -ENAMETOOLONG; + } + nfidlen = ALIGN(sizeof(struct fileIdentDesc) + namelen, UDF_NAME_PAD); - if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) { - if (udf_dir_entry_len(cfi) == nfidlen) { - cfi->descTag.tagSerialNum = cpu_to_le16(1); - cfi->fileVersionNum = cpu_to_le16(1); - cfi->fileCharacteristics = 0; - cfi->lengthFileIdent = namelen; - cfi->lengthOfImpUse = cpu_to_le16(0); - if (!udf_write_fi(dir, cfi, fi, fibh, NULL, - name)) - goto out_ok; - else { - *err = -EIO; - goto out_err; - } + for (ret = udf_fiiter_init(iter, dir, 0); + !ret && iter->pos < dir->i_size; + ret = udf_fiiter_advance(iter)) { + if (iter->fi.fileCharacteristics & FID_FILE_CHAR_DELETED) { + if (udf_dir_entry_len(&iter->fi) == nfidlen) { + iter->fi.descTag.tagSerialNum = cpu_to_le16(1); + iter->fi.fileVersionNum = cpu_to_le16(1); + iter->fi.fileCharacteristics = 0; + iter->fi.lengthFileIdent = namelen; + iter->fi.lengthOfImpUse = cpu_to_le16(0); + memcpy(iter->namebuf, name, namelen); + iter->name = iter->namebuf; + return 0; } } } - -add: - f_pos += nfidlen; - - if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB && - sb->s_blocksize - fibh->eoffset < nfidlen) { - brelse(epos.bh); - epos.bh = NULL; - fibh->soffset -= udf_ext0_offset(dir); - fibh->eoffset -= udf_ext0_offset(dir); - f_pos -= udf_ext0_offset(dir); - if (fibh->sbh != fibh->ebh) - brelse(fibh->ebh); - brelse(fibh->sbh); - fibh->sbh = fibh->ebh = - udf_expand_dir_adinicb(dir, &block, err); - if (!fibh->sbh) - goto out_err; - epos.block = dinfo->i_location; - epos.offset = udf_file_entry_alloc_offset(dir); - /* Load extent udf_expand_dir_adinicb() has created */ - udf_current_aext(dir, &epos, &eloc, &elen, 1); + if (ret) { + udf_fiiter_release(iter); + return ret; } - - /* Entry fits into current block? */ - if (sb->s_blocksize - fibh->eoffset >= nfidlen) { - fibh->soffset = fibh->eoffset; - fibh->eoffset += nfidlen; - if (fibh->sbh != fibh->ebh) { - brelse(fibh->sbh); - fibh->sbh = fibh->ebh; - } - - if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { - block = dinfo->i_location.logicalBlockNum; - fi = (struct fileIdentDesc *) - (dinfo->i_data + fibh->soffset - - udf_ext0_offset(dir) + - dinfo->i_lenEAttr); - } else { - block = eloc.logicalBlockNum + - ((elen - 1) >> - dir->i_sb->s_blocksize_bits); - fi = (struct fileIdentDesc *) - (fibh->sbh->b_data + fibh->soffset); - } + if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB && + blksize - udf_ext0_offset(dir) - iter->pos < nfidlen) { + udf_fiiter_release(iter); + ret = udf_expand_dir_adinicb(dir, &block); + if (ret) + return ret; + ret = udf_fiiter_init(iter, dir, dir->i_size); + if (ret < 0) + return ret; + } + + /* Get blocknumber to use for entry tag */ + if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { + block = dinfo->i_location.logicalBlockNum; } else { - /* Round up last extent in the file */ - elen = (elen + sb->s_blocksize - 1) & ~(sb->s_blocksize - 1); - if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT) - epos.offset -= sizeof(struct short_ad); - else if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG) - epos.offset -= sizeof(struct long_ad); - udf_write_aext(dir, &epos, &eloc, elen, 1); - dinfo->i_lenExtents = (dinfo->i_lenExtents + sb->s_blocksize - - 1) & ~(sb->s_blocksize - 1); - - fibh->soffset = fibh->eoffset - sb->s_blocksize; - fibh->eoffset += nfidlen - sb->s_blocksize; - if (fibh->sbh != fibh->ebh) { - brelse(fibh->sbh); - fibh->sbh = fibh->ebh; - } - - block = eloc.logicalBlockNum + ((elen - 1) >> - dir->i_sb->s_blocksize_bits); - fibh->ebh = udf_bread(dir, - f_pos >> dir->i_sb->s_blocksize_bits, 1, err); - if (!fibh->ebh) - goto out_err; - /* Extents could have been merged, invalidate our position */ - brelse(epos.bh); - epos.bh = NULL; - epos.block = dinfo->i_location; - epos.offset = udf_file_entry_alloc_offset(dir); - - if (!fibh->soffset) { - /* Find the freshly allocated block */ - while (udf_next_aext(dir, &epos, &eloc, &elen, 1) == - (EXT_RECORDED_ALLOCATED >> 30)) - ; - block = eloc.logicalBlockNum + ((elen - 1) >> - dir->i_sb->s_blocksize_bits); - brelse(fibh->sbh); - fibh->sbh = fibh->ebh; - fi = (struct fileIdentDesc *)(fibh->sbh->b_data); - } else { - fi = (struct fileIdentDesc *) - (fibh->sbh->b_data + sb->s_blocksize + - fibh->soffset); - } + block = iter->eloc.logicalBlockNum + + ((iter->elen - 1) >> dir->i_blkbits); } - - memset(cfi, 0, sizeof(struct fileIdentDesc)); - if (UDF_SB(sb)->s_udfrev >= 0x0200) - udf_new_tag((char *)cfi, TAG_IDENT_FID, 3, 1, block, + off = iter->pos & (blksize - 1); + if (!off) + off = blksize; + /* Entry fits into current block? */ + if (blksize - udf_ext0_offset(dir) - off >= nfidlen) + goto store_fi; + + ret = udf_fiiter_append_blk(iter); + if (ret) { + udf_fiiter_release(iter); + return ret; + } + + /* Entry will be completely in the new block? Update tag location... */ + if (!(iter->pos & (blksize - 1))) + block = iter->eloc.logicalBlockNum + + ((iter->elen - 1) >> dir->i_blkbits); +store_fi: + memset(&iter->fi, 0, sizeof(struct fileIdentDesc)); + if (UDF_SB(dir->i_sb)->s_udfrev >= 0x0200) + udf_new_tag((char *)(&iter->fi), TAG_IDENT_FID, 3, 1, block, sizeof(struct tag)); else - udf_new_tag((char *)cfi, TAG_IDENT_FID, 2, 1, block, + udf_new_tag((char *)(&iter->fi), TAG_IDENT_FID, 2, 1, block, sizeof(struct tag)); - cfi->fileVersionNum = cpu_to_le16(1); - cfi->lengthFileIdent = namelen; - cfi->lengthOfImpUse = cpu_to_le16(0); - if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name)) { - dir->i_size += nfidlen; - if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) - dinfo->i_lenAlloc += nfidlen; - else { - /* Find the last extent and truncate it to proper size */ - while (udf_next_aext(dir, &epos, &eloc, &elen, 1) == - (EXT_RECORDED_ALLOCATED >> 30)) - ; - elen -= dinfo->i_lenExtents - dir->i_size; - if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT) - epos.offset -= sizeof(struct short_ad); - else if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG) - epos.offset -= sizeof(struct long_ad); - udf_write_aext(dir, &epos, &eloc, elen, 1); - dinfo->i_lenExtents = dir->i_size; - } - - mark_inode_dirty(dir); - goto out_ok; + iter->fi.fileVersionNum = cpu_to_le16(1); + iter->fi.lengthFileIdent = namelen; + iter->fi.lengthOfImpUse = cpu_to_le16(0); + memcpy(iter->namebuf, name, namelen); + iter->name = iter->namebuf; + + dir->i_size += nfidlen; + if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { + dinfo->i_lenAlloc += nfidlen; } else { - *err = -EIO; - goto out_err; + /* Truncate last extent to proper size */ + udf_fiiter_update_elen(iter, iter->elen - + (dinfo->i_lenExtents - dir->i_size)); } + mark_inode_dirty(dir); -out_err: - fi = NULL; - if (fibh->sbh != fibh->ebh) - brelse(fibh->ebh); - brelse(fibh->sbh); -out_ok: - brelse(epos.bh); - kfree(name); - return fi; + return 0; } -static int udf_delete_entry(struct inode *inode, struct fileIdentDesc *fi, - struct udf_fileident_bh *fibh, - struct fileIdentDesc *cfi) +static void udf_fiiter_delete_entry(struct udf_fileident_iter *iter) { - cfi->fileCharacteristics |= FID_FILE_CHAR_DELETED; + iter->fi.fileCharacteristics |= FID_FILE_CHAR_DELETED; - if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)) - memset(&(cfi->icb), 0x00, sizeof(struct long_ad)); + if (UDF_QUERY_FLAG(iter->dir->i_sb, UDF_FLAG_STRICT)) + memset(&iter->fi.icb, 0x00, sizeof(struct long_ad)); - return udf_write_fi(inode, cfi, fi, fibh, NULL, NULL); + udf_fiiter_write_fi(iter, NULL); } static int udf_add_nondir(struct dentry *dentry, struct inode *inode) { struct udf_inode_info *iinfo = UDF_I(inode); struct inode *dir = d_inode(dentry->d_parent); - struct udf_fileident_bh fibh; - struct fileIdentDesc cfi, *fi; + struct udf_fileident_iter iter; int err; - fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err); - if (unlikely(!fi)) { + err = udf_fiiter_add_entry(dir, dentry, &iter); + if (err) { inode_dec_link_count(inode); discard_new_inode(inode); return err; } - cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); - cfi.icb.extLocation = cpu_to_lelb(iinfo->i_location); - *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + iter.fi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); + iter.fi.icb.extLocation = cpu_to_lelb(iinfo->i_location); + *(__le32 *)((struct allocDescImpUse *)iter.fi.icb.impUse)->impUse = cpu_to_le32(iinfo->i_unique & 0x00000000FFFFFFFFUL); - udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); + udf_fiiter_write_fi(&iter, NULL); dir->i_ctime = dir->i_mtime = current_time(dir); mark_inode_dirty(dir); - if (fibh.sbh != fibh.ebh) - brelse(fibh.ebh); - brelse(fibh.sbh); + udf_fiiter_release(&iter); d_instantiate_new(dentry, inode); return 0; @@ -665,8 +421,7 @@ static int udf_mkdir(struct user_namespace *mnt_userns, struct inode *dir, struct dentry *dentry, umode_t mode) { struct inode *inode; - struct udf_fileident_bh fibh; - struct fileIdentDesc cfi, *fi; + struct udf_fileident_iter iter; int err; struct udf_inode_info *dinfo = UDF_I(dir); struct udf_inode_info *iinfo; @@ -678,144 +433,82 @@ static int udf_mkdir(struct user_namespace *mnt_userns, struct inode *dir, iinfo = UDF_I(inode); inode->i_op = &udf_dir_inode_operations; inode->i_fop = &udf_dir_operations; - fi = udf_add_entry(inode, NULL, &fibh, &cfi, &err); - if (!fi) { - inode_dec_link_count(inode); + err = udf_fiiter_add_entry(inode, NULL, &iter); + if (err) { + clear_nlink(inode); discard_new_inode(inode); - goto out; + return err; } set_nlink(inode, 2); - cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); - cfi.icb.extLocation = cpu_to_lelb(dinfo->i_location); - *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + iter.fi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); + iter.fi.icb.extLocation = cpu_to_lelb(dinfo->i_location); + *(__le32 *)((struct allocDescImpUse *)iter.fi.icb.impUse)->impUse = cpu_to_le32(dinfo->i_unique & 0x00000000FFFFFFFFUL); - cfi.fileCharacteristics = + iter.fi.fileCharacteristics = FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT; - udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL); - brelse(fibh.sbh); + udf_fiiter_write_fi(&iter, NULL); + udf_fiiter_release(&iter); mark_inode_dirty(inode); - fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err); - if (!fi) { + err = udf_fiiter_add_entry(dir, dentry, &iter); + if (err) { clear_nlink(inode); - mark_inode_dirty(inode); discard_new_inode(inode); - goto out; + return err; } - cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); - cfi.icb.extLocation = cpu_to_lelb(iinfo->i_location); - *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + iter.fi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); + iter.fi.icb.extLocation = cpu_to_lelb(iinfo->i_location); + *(__le32 *)((struct allocDescImpUse *)iter.fi.icb.impUse)->impUse = cpu_to_le32(iinfo->i_unique & 0x00000000FFFFFFFFUL); - cfi.fileCharacteristics |= FID_FILE_CHAR_DIRECTORY; - udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); + iter.fi.fileCharacteristics |= FID_FILE_CHAR_DIRECTORY; + udf_fiiter_write_fi(&iter, NULL); + udf_fiiter_release(&iter); inc_nlink(dir); dir->i_ctime = dir->i_mtime = current_time(dir); mark_inode_dirty(dir); d_instantiate_new(dentry, inode); - if (fibh.sbh != fibh.ebh) - brelse(fibh.ebh); - brelse(fibh.sbh); - err = 0; -out: - return err; + return 0; } static int empty_dir(struct inode *dir) { - struct fileIdentDesc *fi, cfi; - struct udf_fileident_bh fibh; - loff_t f_pos; - loff_t size = udf_ext0_offset(dir) + dir->i_size; - udf_pblk_t block; - struct kernel_lb_addr eloc; - uint32_t elen; - sector_t offset; - struct extent_position epos = {}; - struct udf_inode_info *dinfo = UDF_I(dir); - - f_pos = udf_ext0_offset(dir); - fibh.soffset = fibh.eoffset = f_pos & (dir->i_sb->s_blocksize - 1); - - if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) - fibh.sbh = fibh.ebh = NULL; - else if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits, - &epos, &eloc, &elen, &offset) == - (EXT_RECORDED_ALLOCATED >> 30)) { - block = udf_get_lb_pblock(dir->i_sb, &eloc, offset); - if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { - if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT) - epos.offset -= sizeof(struct short_ad); - else if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG) - epos.offset -= sizeof(struct long_ad); - } else - offset = 0; - - fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block); - if (!fibh.sbh) { - brelse(epos.bh); + struct udf_fileident_iter iter; + int ret; + + for (ret = udf_fiiter_init(&iter, dir, 0); + !ret && iter.pos < dir->i_size; + ret = udf_fiiter_advance(&iter)) { + if (iter.fi.lengthFileIdent && + !(iter.fi.fileCharacteristics & FID_FILE_CHAR_DELETED)) { + udf_fiiter_release(&iter); return 0; } - } else { - brelse(epos.bh); - return 0; } - - while (f_pos < size) { - fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc, - &elen, &offset); - if (!fi) { - if (fibh.sbh != fibh.ebh) - brelse(fibh.ebh); - brelse(fibh.sbh); - brelse(epos.bh); - return 0; - } - - if (cfi.lengthFileIdent && - (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0) { - if (fibh.sbh != fibh.ebh) - brelse(fibh.ebh); - brelse(fibh.sbh); - brelse(epos.bh); - return 0; - } - } - - if (fibh.sbh != fibh.ebh) - brelse(fibh.ebh); - brelse(fibh.sbh); - brelse(epos.bh); + udf_fiiter_release(&iter); return 1; } static int udf_rmdir(struct inode *dir, struct dentry *dentry) { - int retval; + int ret; struct inode *inode = d_inode(dentry); - struct udf_fileident_bh fibh; - struct fileIdentDesc *fi, cfi; + struct udf_fileident_iter iter; struct kernel_lb_addr tloc; - retval = -ENOENT; - fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi); - if (IS_ERR_OR_NULL(fi)) { - if (fi) - retval = PTR_ERR(fi); + ret = udf_fiiter_find_entry(dir, &dentry->d_name, &iter); + if (ret) goto out; - } - retval = -EIO; - tloc = lelb_to_cpu(cfi.icb.extLocation); + ret = -EFSCORRUPTED; + tloc = lelb_to_cpu(iter.fi.icb.extLocation); if (udf_get_lb_pblock(dir->i_sb, &tloc, 0) != inode->i_ino) goto end_rmdir; - retval = -ENOTEMPTY; + ret = -ENOTEMPTY; if (!empty_dir(inode)) goto end_rmdir; - retval = udf_delete_entry(dir, fi, &fibh, &cfi); - if (retval) - goto end_rmdir; + udf_fiiter_delete_entry(&iter); if (inode->i_nlink != 2) udf_warn(inode->i_sb, "empty directory has nlink != 2 (%u)\n", inode->i_nlink); @@ -825,36 +518,26 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry) inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode); mark_inode_dirty(dir); - + ret = 0; end_rmdir: - if (fibh.sbh != fibh.ebh) - brelse(fibh.ebh); - brelse(fibh.sbh); - + udf_fiiter_release(&iter); out: - return retval; + return ret; } static int udf_unlink(struct inode *dir, struct dentry *dentry) { - int retval; + int ret; struct inode *inode = d_inode(dentry); - struct udf_fileident_bh fibh; - struct fileIdentDesc *fi; - struct fileIdentDesc cfi; + struct udf_fileident_iter iter; struct kernel_lb_addr tloc; - retval = -ENOENT; - fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi); - - if (IS_ERR_OR_NULL(fi)) { - if (fi) - retval = PTR_ERR(fi); + ret = udf_fiiter_find_entry(dir, &dentry->d_name, &iter); + if (ret) goto out; - } - retval = -EIO; - tloc = lelb_to_cpu(cfi.icb.extLocation); + ret = -EFSCORRUPTED; + tloc = lelb_to_cpu(iter.fi.icb.extLocation); if (udf_get_lb_pblock(dir->i_sb, &tloc, 0) != inode->i_ino) goto end_unlink; @@ -863,22 +546,16 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry) inode->i_ino, inode->i_nlink); set_nlink(inode, 1); } - retval = udf_delete_entry(dir, fi, &fibh, &cfi); - if (retval) - goto end_unlink; + udf_fiiter_delete_entry(&iter); dir->i_ctime = dir->i_mtime = current_time(dir); mark_inode_dirty(dir); inode_dec_link_count(inode); inode->i_ctime = dir->i_ctime; - retval = 0; - + ret = 0; end_unlink: - if (fibh.sbh != fibh.ebh) - brelse(fibh.ebh); - brelse(fibh.sbh); - + udf_fiiter_release(&iter); out: - return retval; + return ret; } static int udf_symlink(struct user_namespace *mnt_userns, struct inode *dir, @@ -1038,27 +715,21 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry) { struct inode *inode = d_inode(old_dentry); - struct udf_fileident_bh fibh; - struct fileIdentDesc cfi, *fi; + struct udf_fileident_iter iter; int err; - fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err); - if (!fi) { + err = udf_fiiter_add_entry(dir, dentry, &iter); + if (err) return err; - } - cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); - cfi.icb.extLocation = cpu_to_lelb(UDF_I(inode)->i_location); + iter.fi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); + iter.fi.icb.extLocation = cpu_to_lelb(UDF_I(inode)->i_location); if (UDF_SB(inode->i_sb)->s_lvid_bh) { - *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + *(__le32 *)((struct allocDescImpUse *)iter.fi.icb.impUse)->impUse = cpu_to_le32(lvid_get_unique_id(inode->i_sb)); } - udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); - if (UDF_I(dir)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) - mark_inode_dirty(dir); + udf_fiiter_write_fi(&iter, NULL); + udf_fiiter_release(&iter); - if (fibh.sbh != fibh.ebh) - brelse(fibh.ebh); - brelse(fibh.sbh); inc_nlink(inode); inode->i_ctime = current_time(inode); mark_inode_dirty(inode); @@ -1079,78 +750,68 @@ static int udf_rename(struct user_namespace *mnt_userns, struct inode *old_dir, { struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d_inode(new_dentry); - struct udf_fileident_bh ofibh, nfibh; - struct fileIdentDesc *ofi = NULL, *nfi = NULL, *dir_fi = NULL; - struct fileIdentDesc ocfi, ncfi; - struct buffer_head *dir_bh = NULL; - int retval = -ENOENT; + struct udf_fileident_iter oiter, niter, diriter; + bool has_diriter = false; + int retval; struct kernel_lb_addr tloc; - struct udf_inode_info *old_iinfo = UDF_I(old_inode); if (flags & ~RENAME_NOREPLACE) return -EINVAL; - ofi = udf_find_entry(old_dir, &old_dentry->d_name, &ofibh, &ocfi); - if (!ofi || IS_ERR(ofi)) { - if (IS_ERR(ofi)) - retval = PTR_ERR(ofi); - goto end_rename; - } - - if (ofibh.sbh != ofibh.ebh) - brelse(ofibh.ebh); - - brelse(ofibh.sbh); - tloc = lelb_to_cpu(ocfi.icb.extLocation); - if (udf_get_lb_pblock(old_dir->i_sb, &tloc, 0) != old_inode->i_ino) - goto end_rename; + retval = udf_fiiter_find_entry(old_dir, &old_dentry->d_name, &oiter); + if (retval) + return retval; - nfi = udf_find_entry(new_dir, &new_dentry->d_name, &nfibh, &ncfi); - if (IS_ERR(nfi)) { - retval = PTR_ERR(nfi); - goto end_rename; - } - if (nfi && !new_inode) { - if (nfibh.sbh != nfibh.ebh) - brelse(nfibh.ebh); - brelse(nfibh.sbh); - nfi = NULL; + tloc = lelb_to_cpu(oiter.fi.icb.extLocation); + if (udf_get_lb_pblock(old_dir->i_sb, &tloc, 0) != old_inode->i_ino) { + retval = -ENOENT; + goto out_oiter; } - if (S_ISDIR(old_inode->i_mode)) { - int offset = udf_ext0_offset(old_inode); + if (S_ISDIR(old_inode->i_mode)) { if (new_inode) { retval = -ENOTEMPTY; if (!empty_dir(new_inode)) - goto end_rename; + goto out_oiter; } - retval = -EIO; - if (old_iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { - dir_fi = udf_get_fileident( - old_iinfo->i_data - - (old_iinfo->i_efe ? - sizeof(struct extendedFileEntry) : - sizeof(struct fileEntry)), - old_inode->i_sb->s_blocksize, &offset); - } else { - dir_bh = udf_bread(old_inode, 0, 0, &retval); - if (!dir_bh) - goto end_rename; - dir_fi = udf_get_fileident(dir_bh->b_data, - old_inode->i_sb->s_blocksize, &offset); + retval = udf_fiiter_find_entry(old_inode, &dotdot_name, + &diriter); + if (retval == -ENOENT) { + udf_err(old_inode->i_sb, + "directory (ino %lu) has no '..' entry\n", + old_inode->i_ino); + retval = -EFSCORRUPTED; } - if (!dir_fi) - goto end_rename; - tloc = lelb_to_cpu(dir_fi->icb.extLocation); + if (retval) + goto out_oiter; + has_diriter = true; + tloc = lelb_to_cpu(diriter.fi.icb.extLocation); if (udf_get_lb_pblock(old_inode->i_sb, &tloc, 0) != - old_dir->i_ino) - goto end_rename; + old_dir->i_ino) { + retval = -EFSCORRUPTED; + udf_err(old_inode->i_sb, + "directory (ino %lu) has parent entry pointing to another inode (%lu != %u)\n", + old_inode->i_ino, old_dir->i_ino, + udf_get_lb_pblock(old_inode->i_sb, &tloc, 0)); + goto out_oiter; + } } - if (!nfi) { - nfi = udf_add_entry(new_dir, new_dentry, &nfibh, &ncfi, - &retval); - if (!nfi) - goto end_rename; + + retval = udf_fiiter_find_entry(new_dir, &new_dentry->d_name, &niter); + if (retval && retval != -ENOENT) + goto out_oiter; + /* Entry found but not passed by VFS? */ + if (!retval && !new_inode) { + retval = -EFSCORRUPTED; + udf_fiiter_release(&niter); + goto out_oiter; + } + /* Entry not found? Need to add one... */ + if (retval) { + udf_fiiter_release(&niter); + retval = udf_fiiter_add_entry(new_dir, new_dentry, &niter); + if (retval) + goto out_oiter; } /* @@ -1163,14 +824,26 @@ static int udf_rename(struct user_namespace *mnt_userns, struct inode *old_dir, /* * ok, that's it */ - ncfi.fileVersionNum = ocfi.fileVersionNum; - ncfi.fileCharacteristics = ocfi.fileCharacteristics; - memcpy(&(ncfi.icb), &(ocfi.icb), sizeof(ocfi.icb)); - udf_write_fi(new_dir, &ncfi, nfi, &nfibh, NULL, NULL); + niter.fi.fileVersionNum = oiter.fi.fileVersionNum; + niter.fi.fileCharacteristics = oiter.fi.fileCharacteristics; + memcpy(&(niter.fi.icb), &(oiter.fi.icb), sizeof(oiter.fi.icb)); + udf_fiiter_write_fi(&niter, NULL); + udf_fiiter_release(&niter); - /* The old fid may have moved - find it again */ - ofi = udf_find_entry(old_dir, &old_dentry->d_name, &ofibh, &ocfi); - udf_delete_entry(old_dir, ofi, &ofibh, &ocfi); + /* + * The old entry may have moved due to new entry allocation. Find it + * again. + */ + udf_fiiter_release(&oiter); + retval = udf_fiiter_find_entry(old_dir, &old_dentry->d_name, &oiter); + if (retval) { + udf_err(old_dir->i_sb, + "failed to find renamed entry again in directory (ino %lu)\n", + old_dir->i_ino); + } else { + udf_fiiter_delete_entry(&oiter); + udf_fiiter_release(&oiter); + } if (new_inode) { new_inode->i_ctime = current_time(new_inode); @@ -1181,13 +854,11 @@ static int udf_rename(struct user_namespace *mnt_userns, struct inode *old_dir, mark_inode_dirty(old_dir); mark_inode_dirty(new_dir); - if (dir_fi) { - dir_fi->icb.extLocation = cpu_to_lelb(UDF_I(new_dir)->i_location); - udf_update_tag((char *)dir_fi, udf_dir_entry_len(dir_fi)); - if (old_iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) - mark_inode_dirty(old_inode); - else - mark_buffer_dirty_inode(dir_bh, old_inode); + if (has_diriter) { + diriter.fi.icb.extLocation = + cpu_to_lelb(UDF_I(new_dir)->i_location); + udf_fiiter_write_fi(&diriter, NULL); + udf_fiiter_release(&diriter); inode_dec_link_count(old_dir); if (new_inode) @@ -1197,22 +868,11 @@ static int udf_rename(struct user_namespace *mnt_userns, struct inode *old_dir, mark_inode_dirty(new_dir); } } - - if (ofi) { - if (ofibh.sbh != ofibh.ebh) - brelse(ofibh.ebh); - brelse(ofibh.sbh); - } - - retval = 0; - -end_rename: - brelse(dir_bh); - if (nfi) { - if (nfibh.sbh != nfibh.ebh) - brelse(nfibh.ebh); - brelse(nfibh.sbh); - } + return 0; +out_oiter: + if (has_diriter) + udf_fiiter_release(&diriter); + udf_fiiter_release(&oiter); return retval; } @@ -1221,17 +881,15 @@ static struct dentry *udf_get_parent(struct dentry *child) { struct kernel_lb_addr tloc; struct inode *inode = NULL; - struct fileIdentDesc cfi; - struct udf_fileident_bh fibh; - - if (!udf_find_entry(d_inode(child), &dotdot_name, &fibh, &cfi)) - return ERR_PTR(-EACCES); + struct udf_fileident_iter iter; + int err; - if (fibh.sbh != fibh.ebh) - brelse(fibh.ebh); - brelse(fibh.sbh); + err = udf_fiiter_find_entry(d_inode(child), &dotdot_name, &iter); + if (err) + return ERR_PTR(err); - tloc = lelb_to_cpu(cfi.icb.extLocation); + tloc = lelb_to_cpu(iter.fi.icb.extLocation); + udf_fiiter_release(&iter); inode = udf_iget(child->d_sb, &tloc); if (IS_ERR(inode)) return ERR_CAST(inode); diff --git a/fs/udf/super.c b/fs/udf/super.c index 6b85c66722..4275d2bc0c 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -86,6 +86,13 @@ enum { #define UDF_MAX_LVID_NESTING 1000 enum { UDF_MAX_LINKS = 0xffff }; +/* + * We limit filesize to 4TB. This is arbitrary as the on-disk format supports + * more but because the file space is described by a linked list of extents, + * each of which can have at most 1GB, the creation and handling of extents + * gets unusably slow beyond certain point... + */ +#define UDF_MAX_FILESIZE (1ULL << 42) /* These are the "meat" - everything else is stuffing */ static int udf_fill_super(struct super_block *, void *, int); @@ -266,7 +273,8 @@ static void udf_sb_free_bitmap(struct udf_bitmap *bitmap) int nr_groups = bitmap->s_nr_groups; for (i = 0; i < nr_groups; i++) - brelse(bitmap->s_block_bitmap[i]); + if (!IS_ERR_OR_NULL(bitmap->s_block_bitmap[i])) + brelse(bitmap->s_block_bitmap[i]); kvfree(bitmap); } @@ -1076,12 +1084,19 @@ static int udf_fill_partdesc_info(struct super_block *sb, struct udf_part_map *map; struct udf_sb_info *sbi = UDF_SB(sb); struct partitionHeaderDesc *phd; + u32 sum; int err; map = &sbi->s_partmaps[p_index]; map->s_partition_len = le32_to_cpu(p->partitionLength); /* blocks */ map->s_partition_root = le32_to_cpu(p->partitionStartingLocation); + if (check_add_overflow(map->s_partition_root, map->s_partition_len, + &sum)) { + udf_err(sb, "Partition %d has invalid location %u + %u\n", + p_index, map->s_partition_root, map->s_partition_len); + return -EFSCORRUPTED; + } if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_READ_ONLY)) map->s_partition_flags |= UDF_PART_FLAG_READ_ONLY; @@ -1137,6 +1152,14 @@ static int udf_fill_partdesc_info(struct super_block *sb, bitmap->s_extPosition = le32_to_cpu( phd->unallocSpaceBitmap.extPosition); map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP; + /* Check whether math over bitmap won't overflow. */ + if (check_add_overflow(map->s_partition_len, + sizeof(struct spaceBitmapDesc) << 3, + &sum)) { + udf_err(sb, "Partition %d is too long (%u)\n", p_index, + map->s_partition_len); + return -EFSCORRUPTED; + } udf_debug("unallocSpaceBitmap (part %d) @ %u\n", p_index, bitmap->s_extPosition); } @@ -2301,7 +2324,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) ret = -ENOMEM; goto error_out; } - sb->s_maxbytes = MAX_LFS_FILESIZE; + sb->s_maxbytes = UDF_MAX_FILESIZE; sb->s_max_links = UDF_MAX_LINKS; return 0; diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index 7e258f15b8..d35aa42bb5 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -86,11 +86,22 @@ extern const struct address_space_operations udf_aops; extern const struct address_space_operations udf_adinicb_aops; extern const struct address_space_operations udf_symlink_aops; -struct udf_fileident_bh { - struct buffer_head *sbh; - struct buffer_head *ebh; - int soffset; - int eoffset; +struct udf_fileident_iter { + struct inode *dir; /* Directory we are working with */ + loff_t pos; /* Logical position in a dir */ + struct buffer_head *bh[2]; /* Buffer containing 'pos' and possibly + * next buffer if entry straddles + * blocks */ + struct kernel_lb_addr eloc; /* Start of extent containing 'pos' */ + uint32_t elen; /* Length of extent containing 'pos' */ + sector_t loffset; /* Block offset of 'pos' within above + * extent */ + struct extent_position epos; /* Position after the above extent */ + struct fileIdentDesc fi; /* Copied directory entry */ + uint8_t *name; /* Pointer to entry name */ + uint8_t *namebuf; /* Storage for entry name in case + * the name is split between two blocks + */ }; struct udf_vds_record { @@ -121,19 +132,12 @@ struct inode *udf_find_metadata_inode_efe(struct super_block *sb, u32 meta_file_loc, u32 partition_num); /* namei.c */ -extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, - struct fileIdentDesc *, struct udf_fileident_bh *, - uint8_t *, uint8_t *); static inline unsigned int udf_dir_entry_len(struct fileIdentDesc *cfi) { return ALIGN(sizeof(struct fileIdentDesc) + le16_to_cpu(cfi->lengthOfImpUse) + cfi->lengthFileIdent, UDF_NAME_PAD); } -static inline uint8_t *udf_get_fi_ident(struct fileIdentDesc *fi) -{ - return ((uint8_t *)(fi + 1)) + le16_to_cpu(fi->lengthOfImpUse); -} /* file.c */ extern long udf_ioctl(struct file *, unsigned int, unsigned long); @@ -151,8 +155,6 @@ static inline struct inode *udf_iget(struct super_block *sb, return __udf_iget(sb, ino, false); } extern int udf_expand_file_adinicb(struct inode *); -extern struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, - udf_pblk_t *block, int *err); extern struct buffer_head *udf_bread(struct inode *inode, udf_pblk_t block, int create, int *err); extern int udf_setsize(struct inode *, loff_t); @@ -243,14 +245,13 @@ extern udf_pblk_t udf_new_block(struct super_block *sb, struct inode *inode, uint16_t partition, uint32_t goal, int *err); /* directory.c */ -extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *, - struct udf_fileident_bh *, - struct fileIdentDesc *, - struct extent_position *, - struct kernel_lb_addr *, uint32_t *, - sector_t *); -extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, - int *offset); +int udf_fiiter_init(struct udf_fileident_iter *iter, struct inode *dir, + loff_t pos); +int udf_fiiter_advance(struct udf_fileident_iter *iter); +void udf_fiiter_release(struct udf_fileident_iter *iter); +void udf_fiiter_write_fi(struct udf_fileident_iter *iter, uint8_t *impuse); +void udf_fiiter_update_elen(struct udf_fileident_iter *iter, uint32_t new_elen); +int udf_fiiter_append_blk(struct udf_fileident_iter *iter); extern struct long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int); extern struct short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int); diff --git a/fs/udf/udftime.c b/fs/udf/udftime.c index fce4ad976c..26169b1f48 100644 --- a/fs/udf/udftime.c +++ b/fs/udf/udftime.c @@ -60,13 +60,18 @@ udf_disk_stamp_to_time(struct timespec64 *dest, struct timestamp src) dest->tv_sec = mktime64(year, src.month, src.day, src.hour, src.minute, src.second); dest->tv_sec -= offset * 60; - dest->tv_nsec = 1000 * (src.centiseconds * 10000 + - src.hundredsOfMicroseconds * 100 + src.microseconds); + /* * Sanitize nanosecond field since reportedly some filesystems are * recorded with bogus sub-second values. */ - dest->tv_nsec %= NSEC_PER_SEC; + if (src.centiseconds < 100 && src.hundredsOfMicroseconds < 100 && + src.microseconds < 100) { + dest->tv_nsec = 1000 * (src.centiseconds * 10000 + + src.hundredsOfMicroseconds * 100 + src.microseconds); + } else { + dest->tv_nsec = 0; + } } void diff --git a/fs/unicode/mkutf8data.c b/fs/unicode/mkutf8data.c index ff2025ac5a..b9c8d01643 100644 --- a/fs/unicode/mkutf8data.c +++ b/fs/unicode/mkutf8data.c @@ -2230,75 +2230,6 @@ static void nfdicf_init(void) file_fail(fold_name); } -static void ignore_init(void) -{ - FILE *file; - unsigned int unichar; - unsigned int first; - unsigned int last; - unsigned int *um; - int count; - int ret; - - if (verbose > 0) - printf("Parsing %s\n", prop_name); - file = fopen(prop_name, "r"); - if (!file) - open_fail(prop_name, errno); - assert(file); - count = 0; - while (fgets(line, LINESIZE, file)) { - ret = sscanf(line, "%X..%X ; %s # ", &first, &last, buf0); - if (ret == 3) { - if (strcmp(buf0, "Default_Ignorable_Code_Point")) - continue; - if (!utf32valid(first) || !utf32valid(last)) - line_fail(prop_name, line); - for (unichar = first; unichar <= last; unichar++) { - free(unicode_data[unichar].utf32nfdi); - um = malloc(sizeof(unsigned int)); - *um = 0; - unicode_data[unichar].utf32nfdi = um; - free(unicode_data[unichar].utf32nfdicf); - um = malloc(sizeof(unsigned int)); - *um = 0; - unicode_data[unichar].utf32nfdicf = um; - count++; - } - if (verbose > 1) - printf(" %X..%X Default_Ignorable_Code_Point\n", - first, last); - continue; - } - ret = sscanf(line, "%X ; %s # ", &unichar, buf0); - if (ret == 2) { - if (strcmp(buf0, "Default_Ignorable_Code_Point")) - continue; - if (!utf32valid(unichar)) - line_fail(prop_name, line); - free(unicode_data[unichar].utf32nfdi); - um = malloc(sizeof(unsigned int)); - *um = 0; - unicode_data[unichar].utf32nfdi = um; - free(unicode_data[unichar].utf32nfdicf); - um = malloc(sizeof(unsigned int)); - *um = 0; - unicode_data[unichar].utf32nfdicf = um; - if (verbose > 1) - printf(" %X Default_Ignorable_Code_Point\n", - unichar); - count++; - continue; - } - } - fclose(file); - - if (verbose > 0) - printf("Found %d entries\n", count); - if (count == 0) - file_fail(prop_name); -} - static void corrections_init(void) { FILE *file; @@ -3396,7 +3327,6 @@ int main(int argc, char *argv[]) ccc_init(); nfdi_init(); nfdicf_init(); - ignore_init(); corrections_init(); hangul_decompose(); nfdi_decompose(); diff --git a/fs/unicode/utf8data.h_shipped b/fs/unicode/utf8data.h_shipped index 76e4f0e1b0..205d99312c 100644 --- a/fs/unicode/utf8data.h_shipped +++ b/fs/unicode/utf8data.h_shipped @@ -83,58 +83,58 @@ static const struct utf8data utf8nfdidata[] = { { 0xc0100, 20736 } }; -static const unsigned char utf8data[64256] = { +static const unsigned char utf8data[64080] = { /* nfdicf_30100 */ - 0xd7,0x07,0x66,0x84,0x0c,0x01,0x00,0xc6,0xd5,0x16,0xe4,0x99,0x1a,0xe3,0x63,0x15, - 0xe2,0x4c,0x0e,0xc1,0xe0,0x4e,0x0d,0xcf,0x86,0x65,0x2d,0x0d,0x01,0x00,0xd4,0xb8, - 0xd3,0x27,0xe2,0x89,0xa3,0xe1,0xce,0x35,0xe0,0x2c,0x22,0xcf,0x86,0xc5,0xe4,0x15, - 0x6d,0xe3,0x60,0x68,0xe2,0xf6,0x65,0xe1,0x29,0x65,0xe0,0xee,0x64,0xcf,0x86,0xe5, - 0xb3,0x64,0x64,0x96,0x64,0x0b,0x00,0xd2,0x0e,0xe1,0xb5,0x3c,0xe0,0xba,0xa3,0xcf, - 0x86,0xcf,0x06,0x01,0x00,0xd1,0x0c,0xe0,0x1e,0xa9,0xcf,0x86,0xcf,0x06,0x02,0xff, + 0xd7,0x07,0x66,0x84,0x0c,0x01,0x00,0xc6,0xd5,0x16,0xe4,0x96,0x1a,0xe3,0x60,0x15, + 0xe2,0x49,0x0e,0xc1,0xe0,0x4b,0x0d,0xcf,0x86,0x65,0x2d,0x0d,0x01,0x00,0xd4,0xb8, + 0xd3,0x27,0xe2,0x03,0xa3,0xe1,0xcb,0x35,0xe0,0x29,0x22,0xcf,0x86,0xc5,0xe4,0xfa, + 0x6c,0xe3,0x45,0x68,0xe2,0xdb,0x65,0xe1,0x0e,0x65,0xe0,0xd3,0x64,0xcf,0x86,0xe5, + 0x98,0x64,0x64,0x7b,0x64,0x0b,0x00,0xd2,0x0e,0xe1,0xb3,0x3c,0xe0,0x34,0xa3,0xcf, + 0x86,0xcf,0x06,0x01,0x00,0xd1,0x0c,0xe0,0x98,0xa8,0xcf,0x86,0xcf,0x06,0x02,0xff, 0xff,0xd0,0x08,0xcf,0x86,0xcf,0x06,0x01,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x01, - 0x00,0xe4,0xe1,0x45,0xe3,0x3b,0x45,0xd2,0x06,0xcf,0x06,0x01,0x00,0xe1,0x87,0xad, - 0xd0,0x21,0xcf,0x86,0xe5,0x81,0xaa,0xe4,0x00,0xaa,0xe3,0xbf,0xa9,0xe2,0x9e,0xa9, - 0xe1,0x8d,0xa9,0x10,0x08,0x01,0xff,0xe8,0xb1,0x88,0x00,0x01,0xff,0xe6,0x9b,0xb4, - 0x00,0xcf,0x86,0xe5,0x63,0xac,0xd4,0x19,0xe3,0xa2,0xab,0xe2,0x81,0xab,0xe1,0x70, - 0xab,0x10,0x08,0x01,0xff,0xe9,0xb9,0xbf,0x00,0x01,0xff,0xe8,0xab,0x96,0x00,0xe3, - 0x09,0xac,0xe2,0xe8,0xab,0xe1,0xd7,0xab,0x10,0x08,0x01,0xff,0xe7,0xb8,0xb7,0x00, - 0x01,0xff,0xe9,0x9b,0xbb,0x00,0x83,0xe2,0x19,0xfa,0xe1,0xf2,0xf6,0xe0,0x6f,0xf5, - 0xcf,0x86,0xd5,0x31,0xc4,0xe3,0x54,0x4e,0xe2,0xf5,0x4c,0xe1,0xa4,0xcc,0xe0,0x9c, - 0x4b,0xcf,0x86,0xe5,0x8e,0x49,0xe4,0xaf,0x46,0xe3,0x11,0xbd,0xe2,0x68,0xbc,0xe1, - 0x43,0xbc,0xe0,0x1c,0xbc,0xcf,0x86,0xe5,0xe9,0xbb,0x94,0x07,0x63,0xd4,0xbb,0x07, - 0x00,0x07,0x00,0xe4,0xdb,0xf4,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b, - 0xe1,0xea,0xe1,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0xd9,0xe2,0xcf,0x86, - 0xe5,0x9e,0xe2,0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0xd9,0xe2,0xcf,0x06, - 0x13,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0x74,0xf4,0xe3,0x5d,0xf3, - 0xd2,0xa0,0xe1,0x13,0xe7,0xd0,0x21,0xcf,0x86,0xe5,0x14,0xe4,0xe4,0x90,0xe3,0xe3, - 0x4e,0xe3,0xe2,0x2d,0xe3,0xe1,0x1b,0xe3,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00, - 0x05,0xff,0xe4,0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0x70,0xe5,0xe3,0x2f,0xe5, - 0xe2,0x0e,0xe5,0xe1,0xfd,0xe4,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff, - 0xe5,0x93,0xb6,0x00,0xd4,0x34,0xd3,0x18,0xe2,0xf7,0xe5,0xe1,0xe6,0xe5,0x10,0x09, - 0x05,0xff,0xf0,0xa1,0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0x17, - 0xe6,0x91,0x11,0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac, - 0x88,0x00,0x05,0xff,0xe5,0xac,0xbe,0x00,0xe3,0x5d,0xe6,0xd2,0x14,0xe1,0x2c,0xe6, + 0x00,0xe4,0xdf,0x45,0xe3,0x39,0x45,0xd2,0x06,0xcf,0x06,0x01,0x00,0xe1,0x01,0xad, + 0xd0,0x21,0xcf,0x86,0xe5,0xfb,0xa9,0xe4,0x7a,0xa9,0xe3,0x39,0xa9,0xe2,0x18,0xa9, + 0xe1,0x07,0xa9,0x10,0x08,0x01,0xff,0xe8,0xb1,0x88,0x00,0x01,0xff,0xe6,0x9b,0xb4, + 0x00,0xcf,0x86,0xe5,0xdd,0xab,0xd4,0x19,0xe3,0x1c,0xab,0xe2,0xfb,0xaa,0xe1,0xea, + 0xaa,0x10,0x08,0x01,0xff,0xe9,0xb9,0xbf,0x00,0x01,0xff,0xe8,0xab,0x96,0x00,0xe3, + 0x83,0xab,0xe2,0x62,0xab,0xe1,0x51,0xab,0x10,0x08,0x01,0xff,0xe7,0xb8,0xb7,0x00, + 0x01,0xff,0xe9,0x9b,0xbb,0x00,0x83,0xe2,0x68,0xf9,0xe1,0x52,0xf6,0xe0,0xcf,0xf4, + 0xcf,0x86,0xd5,0x31,0xc4,0xe3,0x51,0x4e,0xe2,0xf2,0x4c,0xe1,0x09,0xcc,0xe0,0x99, + 0x4b,0xcf,0x86,0xe5,0x8b,0x49,0xe4,0xac,0x46,0xe3,0x76,0xbc,0xe2,0xcd,0xbb,0xe1, + 0xa8,0xbb,0xe0,0x81,0xbb,0xcf,0x86,0xe5,0x4e,0xbb,0x94,0x07,0x63,0x39,0xbb,0x07, + 0x00,0x07,0x00,0xe4,0x3b,0xf4,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b, + 0xe1,0x4a,0xe1,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0x39,0xe2,0xcf,0x86, + 0xe5,0xfe,0xe1,0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0x39,0xe2,0xcf,0x06, + 0x13,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0xd4,0xf3,0xe3,0xbd,0xf2, + 0xd2,0xa0,0xe1,0x73,0xe6,0xd0,0x21,0xcf,0x86,0xe5,0x74,0xe3,0xe4,0xf0,0xe2,0xe3, + 0xae,0xe2,0xe2,0x8d,0xe2,0xe1,0x7b,0xe2,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00, + 0x05,0xff,0xe4,0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0xd0,0xe4,0xe3,0x8f,0xe4, + 0xe2,0x6e,0xe4,0xe1,0x5d,0xe4,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff, + 0xe5,0x93,0xb6,0x00,0xd4,0x34,0xd3,0x18,0xe2,0x57,0xe5,0xe1,0x46,0xe5,0x10,0x09, + 0x05,0xff,0xf0,0xa1,0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0x77, + 0xe5,0x91,0x11,0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac, + 0x88,0x00,0x05,0xff,0xe5,0xac,0xbe,0x00,0xe3,0xbd,0xe5,0xd2,0x14,0xe1,0x8c,0xe5, 0x10,0x08,0x05,0xff,0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98,0x00,0xe1, - 0x38,0xe6,0x10,0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00, - 0xd1,0xd5,0xd0,0x6a,0xcf,0x86,0xe5,0x8d,0xeb,0xd4,0x19,0xe3,0xc6,0xea,0xe2,0xa4, - 0xea,0xe1,0x93,0xea,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5, - 0xb7,0x00,0xd3,0x18,0xe2,0x10,0xeb,0xe1,0xff,0xea,0x10,0x09,0x05,0xff,0xf0,0xa3, - 0xbd,0x9e,0x00,0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0x28,0xeb,0x10, + 0x98,0xe5,0x10,0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00, + 0xd1,0xd5,0xd0,0x6a,0xcf,0x86,0xe5,0xed,0xea,0xd4,0x19,0xe3,0x26,0xea,0xe2,0x04, + 0xea,0xe1,0xf3,0xe9,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5, + 0xb7,0x00,0xd3,0x18,0xe2,0x70,0xea,0xe1,0x5f,0xea,0x10,0x09,0x05,0xff,0xf0,0xa3, + 0xbd,0x9e,0x00,0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0x88,0xea,0x10, 0x08,0x05,0xff,0xe7,0x81,0xbd,0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1,0x11,0x10, 0x08,0x05,0xff,0xe7,0x85,0x85,0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00,0x10,0x08, - 0x05,0xff,0xe7,0x86,0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0x2a, - 0xed,0xd4,0x1a,0xe3,0x62,0xec,0xe2,0x48,0xec,0xe1,0x35,0xec,0x10,0x08,0x05,0xff, - 0xe7,0x9b,0xb4,0x00,0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0xaa,0xec, - 0xe1,0x98,0xec,0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3, - 0x00,0xd2,0x13,0xe1,0xc6,0xec,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff, + 0x05,0xff,0xe7,0x86,0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0x8a, + 0xec,0xd4,0x1a,0xe3,0xc2,0xeb,0xe2,0xa8,0xeb,0xe1,0x95,0xeb,0x10,0x08,0x05,0xff, + 0xe7,0x9b,0xb4,0x00,0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0x0a,0xec, + 0xe1,0xf8,0xeb,0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3, + 0x00,0xd2,0x13,0xe1,0x26,0xec,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff, 0xe7,0xa9,0x80,0x00,0xd1,0x12,0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc,0x00,0x05, 0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x05, - 0xff,0xe7,0xaa,0xae,0x00,0xe0,0xdc,0xef,0xcf,0x86,0xd5,0x1d,0xe4,0x51,0xee,0xe3, - 0x0d,0xee,0xe2,0xeb,0xed,0xe1,0xda,0xed,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f, - 0x00,0x05,0xff,0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0xf8,0xee,0xe2,0xd4,0xee,0xe1, - 0xc3,0xee,0x10,0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00, - 0xd3,0x18,0xe2,0x43,0xef,0xe1,0x32,0xef,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1, - 0x00,0x05,0xff,0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0x5b,0xef,0x10,0x08,0x05, + 0xff,0xe7,0xaa,0xae,0x00,0xe0,0x3c,0xef,0xcf,0x86,0xd5,0x1d,0xe4,0xb1,0xed,0xe3, + 0x6d,0xed,0xe2,0x4b,0xed,0xe1,0x3a,0xed,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f, + 0x00,0x05,0xff,0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0x58,0xee,0xe2,0x34,0xee,0xe1, + 0x23,0xee,0x10,0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00, + 0xd3,0x18,0xe2,0xa3,0xee,0xe1,0x92,0xee,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1, + 0x00,0x05,0xff,0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0xbb,0xee,0x10,0x08,0x05, 0xff,0xe8,0x9a,0x88,0x00,0x05,0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10,0x08,0x05, 0xff,0xe8,0x9c,0xa8,0x00,0x05,0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05,0xff,0xe8, 0x9e,0x86,0x00,0x05,0xff,0xe4,0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, @@ -142,152 +142,152 @@ static const unsigned char utf8data[64256] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* nfdi_30100 */ - 0x57,0x04,0x01,0x00,0xc6,0xd5,0x16,0xe4,0xc2,0x59,0xe3,0xfb,0x54,0xe2,0x74,0x4f, - 0xc1,0xe0,0xa0,0x4d,0xcf,0x86,0x65,0x84,0x4d,0x01,0x00,0xd4,0xb8,0xd3,0x27,0xe2, - 0x0c,0xa0,0xe1,0xdf,0x8d,0xe0,0x39,0x71,0xcf,0x86,0xc5,0xe4,0x98,0x69,0xe3,0xe3, - 0x64,0xe2,0x79,0x62,0xe1,0xac,0x61,0xe0,0x71,0x61,0xcf,0x86,0xe5,0x36,0x61,0x64, - 0x19,0x61,0x0b,0x00,0xd2,0x0e,0xe1,0xc2,0xa0,0xe0,0x3d,0xa0,0xcf,0x86,0xcf,0x06, - 0x01,0x00,0xd1,0x0c,0xe0,0xa1,0xa5,0xcf,0x86,0xcf,0x06,0x02,0xff,0xff,0xd0,0x08, - 0xcf,0x86,0xcf,0x06,0x01,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x01,0x00,0xe4,0x9e, - 0xb6,0xe3,0x18,0xae,0xd2,0x06,0xcf,0x06,0x01,0x00,0xe1,0x0a,0xaa,0xd0,0x21,0xcf, - 0x86,0xe5,0x04,0xa7,0xe4,0x83,0xa6,0xe3,0x42,0xa6,0xe2,0x21,0xa6,0xe1,0x10,0xa6, - 0x10,0x08,0x01,0xff,0xe8,0xb1,0x88,0x00,0x01,0xff,0xe6,0x9b,0xb4,0x00,0xcf,0x86, - 0xe5,0xe6,0xa8,0xd4,0x19,0xe3,0x25,0xa8,0xe2,0x04,0xa8,0xe1,0xf3,0xa7,0x10,0x08, - 0x01,0xff,0xe9,0xb9,0xbf,0x00,0x01,0xff,0xe8,0xab,0x96,0x00,0xe3,0x8c,0xa8,0xe2, - 0x6b,0xa8,0xe1,0x5a,0xa8,0x10,0x08,0x01,0xff,0xe7,0xb8,0xb7,0x00,0x01,0xff,0xe9, - 0x9b,0xbb,0x00,0x83,0xe2,0x9c,0xf6,0xe1,0x75,0xf3,0xe0,0xf2,0xf1,0xcf,0x86,0xd5, - 0x31,0xc4,0xe3,0x6d,0xcc,0xe2,0x46,0xca,0xe1,0x27,0xc9,0xe0,0xb7,0xbf,0xcf,0x86, - 0xe5,0xaa,0xbb,0xe4,0xa3,0xba,0xe3,0x94,0xb9,0xe2,0xeb,0xb8,0xe1,0xc6,0xb8,0xe0, - 0x9f,0xb8,0xcf,0x86,0xe5,0x6c,0xb8,0x94,0x07,0x63,0x57,0xb8,0x07,0x00,0x07,0x00, - 0xe4,0x5e,0xf1,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b,0xe1,0x6d,0xde, - 0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0x5c,0xdf,0xcf,0x86,0xe5,0x21,0xdf, - 0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0x5c,0xdf,0xcf,0x06,0x13,0x00,0xcf, - 0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0xf7,0xf0,0xe3,0xe0,0xef,0xd2,0xa0,0xe1, - 0x96,0xe3,0xd0,0x21,0xcf,0x86,0xe5,0x97,0xe0,0xe4,0x13,0xe0,0xe3,0xd1,0xdf,0xe2, - 0xb0,0xdf,0xe1,0x9e,0xdf,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00,0x05,0xff,0xe4, - 0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0xf3,0xe1,0xe3,0xb2,0xe1,0xe2,0x91,0xe1, - 0xe1,0x80,0xe1,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff,0xe5,0x93,0xb6, - 0x00,0xd4,0x34,0xd3,0x18,0xe2,0x7a,0xe2,0xe1,0x69,0xe2,0x10,0x09,0x05,0xff,0xf0, - 0xa1,0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0x9a,0xe2,0x91,0x11, - 0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac,0x88,0x00,0x05, - 0xff,0xe5,0xac,0xbe,0x00,0xe3,0xe0,0xe2,0xd2,0x14,0xe1,0xaf,0xe2,0x10,0x08,0x05, - 0xff,0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98,0x00,0xe1,0xbb,0xe2,0x10, - 0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00,0xd1,0xd5,0xd0, - 0x6a,0xcf,0x86,0xe5,0x10,0xe8,0xd4,0x19,0xe3,0x49,0xe7,0xe2,0x27,0xe7,0xe1,0x16, - 0xe7,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5,0xb7,0x00,0xd3, - 0x18,0xe2,0x93,0xe7,0xe1,0x82,0xe7,0x10,0x09,0x05,0xff,0xf0,0xa3,0xbd,0x9e,0x00, - 0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0xab,0xe7,0x10,0x08,0x05,0xff, - 0xe7,0x81,0xbd,0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1,0x11,0x10,0x08,0x05,0xff, - 0xe7,0x85,0x85,0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00,0x10,0x08,0x05,0xff,0xe7, - 0x86,0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0xad,0xe9,0xd4,0x1a, - 0xe3,0xe5,0xe8,0xe2,0xcb,0xe8,0xe1,0xb8,0xe8,0x10,0x08,0x05,0xff,0xe7,0x9b,0xb4, - 0x00,0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0x2d,0xe9,0xe1,0x1b,0xe9, - 0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3,0x00,0xd2,0x13, - 0xe1,0x49,0xe9,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff,0xe7,0xa9,0x80, - 0x00,0xd1,0x12,0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc,0x00,0x05,0xff,0xf0,0xa5, - 0xaa,0xa7,0x00,0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x05,0xff,0xe7,0xaa, - 0xae,0x00,0xe0,0x5f,0xec,0xcf,0x86,0xd5,0x1d,0xe4,0xd4,0xea,0xe3,0x90,0xea,0xe2, - 0x6e,0xea,0xe1,0x5d,0xea,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f,0x00,0x05,0xff, - 0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0x7b,0xeb,0xe2,0x57,0xeb,0xe1,0x46,0xeb,0x10, - 0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00,0xd3,0x18,0xe2, - 0xc6,0xeb,0xe1,0xb5,0xeb,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1,0x00,0x05,0xff, - 0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0xde,0xeb,0x10,0x08,0x05,0xff,0xe8,0x9a, - 0x88,0x00,0x05,0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10,0x08,0x05,0xff,0xe8,0x9c, - 0xa8,0x00,0x05,0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05,0xff,0xe8,0x9e,0x86,0x00, - 0x05,0xff,0xe4,0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x57,0x04,0x01,0x00,0xc6,0xd5,0x13,0xe4,0xa8,0x59,0xe3,0xe2,0x54,0xe2,0x5b,0x4f, + 0xc1,0xe0,0x87,0x4d,0xcf,0x06,0x01,0x00,0xd4,0xb8,0xd3,0x27,0xe2,0x89,0x9f,0xe1, + 0x91,0x8d,0xe0,0x21,0x71,0xcf,0x86,0xc5,0xe4,0x80,0x69,0xe3,0xcb,0x64,0xe2,0x61, + 0x62,0xe1,0x94,0x61,0xe0,0x59,0x61,0xcf,0x86,0xe5,0x1e,0x61,0x64,0x01,0x61,0x0b, + 0x00,0xd2,0x0e,0xe1,0x3f,0xa0,0xe0,0xba,0x9f,0xcf,0x86,0xcf,0x06,0x01,0x00,0xd1, + 0x0c,0xe0,0x1e,0xa5,0xcf,0x86,0xcf,0x06,0x02,0xff,0xff,0xd0,0x08,0xcf,0x86,0xcf, + 0x06,0x01,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x01,0x00,0xe4,0x1b,0xb6,0xe3,0x95, + 0xad,0xd2,0x06,0xcf,0x06,0x01,0x00,0xe1,0x87,0xa9,0xd0,0x21,0xcf,0x86,0xe5,0x81, + 0xa6,0xe4,0x00,0xa6,0xe3,0xbf,0xa5,0xe2,0x9e,0xa5,0xe1,0x8d,0xa5,0x10,0x08,0x01, + 0xff,0xe8,0xb1,0x88,0x00,0x01,0xff,0xe6,0x9b,0xb4,0x00,0xcf,0x86,0xe5,0x63,0xa8, + 0xd4,0x19,0xe3,0xa2,0xa7,0xe2,0x81,0xa7,0xe1,0x70,0xa7,0x10,0x08,0x01,0xff,0xe9, + 0xb9,0xbf,0x00,0x01,0xff,0xe8,0xab,0x96,0x00,0xe3,0x09,0xa8,0xe2,0xe8,0xa7,0xe1, + 0xd7,0xa7,0x10,0x08,0x01,0xff,0xe7,0xb8,0xb7,0x00,0x01,0xff,0xe9,0x9b,0xbb,0x00, + 0x83,0xe2,0xee,0xf5,0xe1,0xd8,0xf2,0xe0,0x55,0xf1,0xcf,0x86,0xd5,0x31,0xc4,0xe3, + 0xd5,0xcb,0xe2,0xae,0xc9,0xe1,0x8f,0xc8,0xe0,0x1f,0xbf,0xcf,0x86,0xe5,0x12,0xbb, + 0xe4,0x0b,0xba,0xe3,0xfc,0xb8,0xe2,0x53,0xb8,0xe1,0x2e,0xb8,0xe0,0x07,0xb8,0xcf, + 0x86,0xe5,0xd4,0xb7,0x94,0x07,0x63,0xbf,0xb7,0x07,0x00,0x07,0x00,0xe4,0xc1,0xf0, + 0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b,0xe1,0xd0,0xdd,0xcf,0x86,0xcf, + 0x06,0x05,0x00,0xd1,0x0e,0xe0,0xbf,0xde,0xcf,0x86,0xe5,0x84,0xde,0xcf,0x06,0x11, + 0x00,0xd0,0x0b,0xcf,0x86,0xe5,0xbf,0xde,0xcf,0x06,0x13,0x00,0xcf,0x86,0xd5,0x06, + 0xcf,0x06,0x00,0x00,0xe4,0x5a,0xf0,0xe3,0x43,0xef,0xd2,0xa0,0xe1,0xf9,0xe2,0xd0, + 0x21,0xcf,0x86,0xe5,0xfa,0xdf,0xe4,0x76,0xdf,0xe3,0x34,0xdf,0xe2,0x13,0xdf,0xe1, + 0x01,0xdf,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00,0x05,0xff,0xe4,0xb8,0xb8,0x00, + 0xcf,0x86,0xd5,0x1c,0xe4,0x56,0xe1,0xe3,0x15,0xe1,0xe2,0xf4,0xe0,0xe1,0xe3,0xe0, + 0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff,0xe5,0x93,0xb6,0x00,0xd4,0x34, + 0xd3,0x18,0xe2,0xdd,0xe1,0xe1,0xcc,0xe1,0x10,0x09,0x05,0xff,0xf0,0xa1,0x9a,0xa8, + 0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0xfd,0xe1,0x91,0x11,0x10,0x09,0x05, + 0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac,0x88,0x00,0x05,0xff,0xe5,0xac, + 0xbe,0x00,0xe3,0x43,0xe2,0xd2,0x14,0xe1,0x12,0xe2,0x10,0x08,0x05,0xff,0xe5,0xaf, + 0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98,0x00,0xe1,0x1e,0xe2,0x10,0x08,0x05,0xff, + 0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00,0xd1,0xd5,0xd0,0x6a,0xcf,0x86, + 0xe5,0x73,0xe7,0xd4,0x19,0xe3,0xac,0xe6,0xe2,0x8a,0xe6,0xe1,0x79,0xe6,0x10,0x08, + 0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5,0xb7,0x00,0xd3,0x18,0xe2,0xf6, + 0xe6,0xe1,0xe5,0xe6,0x10,0x09,0x05,0xff,0xf0,0xa3,0xbd,0x9e,0x00,0x05,0xff,0xf0, + 0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0x0e,0xe7,0x10,0x08,0x05,0xff,0xe7,0x81,0xbd, + 0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1,0x11,0x10,0x08,0x05,0xff,0xe7,0x85,0x85, + 0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00,0x10,0x08,0x05,0xff,0xe7,0x86,0x9c,0x00, + 0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0x10,0xe9,0xd4,0x1a,0xe3,0x48,0xe8, + 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0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10,0x08,0x05,0xff,0xe8,0x9c,0xa8,0x00,0x05, + 0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05,0xff,0xe8,0x9e,0x86,0x00,0x05,0xff,0xe4, + 0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* nfdicf_30200 */ - 0xd7,0x07,0x66,0x84,0x05,0x01,0x00,0xc6,0xd5,0x16,0xe4,0x99,0x13,0xe3,0x63,0x0e, - 0xe2,0x4c,0x07,0xc1,0xe0,0x4e,0x06,0xcf,0x86,0x65,0x2d,0x06,0x01,0x00,0xd4,0x2a, - 0xe3,0xd0,0x35,0xe2,0x88,0x9c,0xe1,0xcd,0x2e,0xe0,0x2b,0x1b,0xcf,0x86,0xc5,0xe4, - 0x14,0x66,0xe3,0x5f,0x61,0xe2,0xf5,0x5e,0xe1,0x28,0x5e,0xe0,0xed,0x5d,0xcf,0x86, - 0xe5,0xb2,0x5d,0x64,0x95,0x5d,0x0b,0x00,0x83,0xe2,0xa7,0xf3,0xe1,0x80,0xf0,0xe0, - 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0x10,0x08,0x05,0xff,0xe7,0x86,0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86, - 0xe5,0xb8,0xe6,0xd4,0x1a,0xe3,0xf0,0xe5,0xe2,0xd6,0xe5,0xe1,0xc3,0xe5,0x10,0x08, + 0xe5,0x18,0xe6,0xd4,0x1a,0xe3,0x50,0xe5,0xe2,0x36,0xe5,0xe1,0x23,0xe5,0x10,0x08, 0x05,0xff,0xe7,0x9b,0xb4,0x00,0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2, - 0x38,0xe6,0xe1,0x26,0xe6,0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4, - 0x83,0xa3,0x00,0xd2,0x13,0xe1,0x54,0xe6,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00, + 0x98,0xe5,0xe1,0x86,0xe5,0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4, + 0x83,0xa3,0x00,0xd2,0x13,0xe1,0xb4,0xe5,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00, 0x05,0xff,0xe7,0xa9,0x80,0x00,0xd1,0x12,0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc, 0x00,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7, - 0x00,0x05,0xff,0xe7,0xaa,0xae,0x00,0xe0,0x6a,0xe9,0xcf,0x86,0xd5,0x1d,0xe4,0xdf, - 0xe7,0xe3,0x9b,0xe7,0xe2,0x79,0xe7,0xe1,0x68,0xe7,0x10,0x09,0x05,0xff,0xf0,0xa3, - 0x8d,0x9f,0x00,0x05,0xff,0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0x86,0xe8,0xe2,0x62, - 0xe8,0xe1,0x51,0xe8,0x10,0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f, - 0x8a,0x00,0xd3,0x18,0xe2,0xd1,0xe8,0xe1,0xc0,0xe8,0x10,0x09,0x05,0xff,0xf0,0xa6, - 0xbe,0xb1,0x00,0x05,0xff,0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0xe9,0xe8,0x10, + 0x00,0x05,0xff,0xe7,0xaa,0xae,0x00,0xe0,0xca,0xe8,0xcf,0x86,0xd5,0x1d,0xe4,0x3f, + 0xe7,0xe3,0xfb,0xe6,0xe2,0xd9,0xe6,0xe1,0xc8,0xe6,0x10,0x09,0x05,0xff,0xf0,0xa3, + 0x8d,0x9f,0x00,0x05,0xff,0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0xe6,0xe7,0xe2,0xc2, + 0xe7,0xe1,0xb1,0xe7,0x10,0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f, + 0x8a,0x00,0xd3,0x18,0xe2,0x31,0xe8,0xe1,0x20,0xe8,0x10,0x09,0x05,0xff,0xf0,0xa6, + 0xbe,0xb1,0x00,0x05,0xff,0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0x49,0xe8,0x10, 0x08,0x05,0xff,0xe8,0x9a,0x88,0x00,0x05,0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10, 0x08,0x05,0xff,0xe8,0x9c,0xa8,0x00,0x05,0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05, 0xff,0xe8,0x9e,0x86,0x00,0x05,0xff,0xe4,0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00, /* nfdi_30200 */ - 0x57,0x04,0x01,0x00,0xc6,0xd5,0x16,0xe4,0x82,0x53,0xe3,0xbb,0x4e,0xe2,0x34,0x49, - 0xc1,0xe0,0x60,0x47,0xcf,0x86,0x65,0x44,0x47,0x01,0x00,0xd4,0x2a,0xe3,0x1c,0x9a, - 0xe2,0xcb,0x99,0xe1,0x9e,0x87,0xe0,0xf8,0x6a,0xcf,0x86,0xc5,0xe4,0x57,0x63,0xe3, - 0xa2,0x5e,0xe2,0x38,0x5c,0xe1,0x6b,0x5b,0xe0,0x30,0x5b,0xcf,0x86,0xe5,0xf5,0x5a, - 0x64,0xd8,0x5a,0x0b,0x00,0x83,0xe2,0xea,0xf0,0xe1,0xc3,0xed,0xe0,0x40,0xec,0xcf, - 0x86,0xd5,0x31,0xc4,0xe3,0xbb,0xc6,0xe2,0x94,0xc4,0xe1,0x75,0xc3,0xe0,0x05,0xba, - 0xcf,0x86,0xe5,0xf8,0xb5,0xe4,0xf1,0xb4,0xe3,0xe2,0xb3,0xe2,0x39,0xb3,0xe1,0x14, - 0xb3,0xe0,0xed,0xb2,0xcf,0x86,0xe5,0xba,0xb2,0x94,0x07,0x63,0xa5,0xb2,0x07,0x00, - 0x07,0x00,0xe4,0xac,0xeb,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b,0xe1, - 0xbb,0xd8,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0xaa,0xd9,0xcf,0x86,0xe5, - 0x6f,0xd9,0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0xaa,0xd9,0xcf,0x06,0x13, - 0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0x45,0xeb,0xe3,0x2e,0xea,0xd2, - 0xa0,0xe1,0xe4,0xdd,0xd0,0x21,0xcf,0x86,0xe5,0xe5,0xda,0xe4,0x61,0xda,0xe3,0x1f, - 0xda,0xe2,0xfe,0xd9,0xe1,0xec,0xd9,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00,0x05, - 0xff,0xe4,0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0x41,0xdc,0xe3,0x00,0xdc,0xe2, - 0xdf,0xdb,0xe1,0xce,0xdb,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff,0xe5, - 0x93,0xb6,0x00,0xd4,0x34,0xd3,0x18,0xe2,0xc8,0xdc,0xe1,0xb7,0xdc,0x10,0x09,0x05, - 0xff,0xf0,0xa1,0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0xe8,0xdc, - 0x91,0x11,0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac,0x88, - 0x00,0x05,0xff,0xe5,0xac,0xbe,0x00,0xe3,0x2e,0xdd,0xd2,0x14,0xe1,0xfd,0xdc,0x10, - 0x08,0x05,0xff,0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98,0x00,0xe1,0x09, - 0xdd,0x10,0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00,0xd1, - 0xd5,0xd0,0x6a,0xcf,0x86,0xe5,0x5e,0xe2,0xd4,0x19,0xe3,0x97,0xe1,0xe2,0x75,0xe1, - 0xe1,0x64,0xe1,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5,0xb7, - 0x00,0xd3,0x18,0xe2,0xe1,0xe1,0xe1,0xd0,0xe1,0x10,0x09,0x05,0xff,0xf0,0xa3,0xbd, - 0x9e,0x00,0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0xf9,0xe1,0x10,0x08, - 0x05,0xff,0xe7,0x81,0xbd,0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1,0x11,0x10,0x08, - 0x05,0xff,0xe7,0x85,0x85,0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00,0x10,0x08,0x05, - 0xff,0xe7,0x86,0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0xfb,0xe3, - 0xd4,0x1a,0xe3,0x33,0xe3,0xe2,0x19,0xe3,0xe1,0x06,0xe3,0x10,0x08,0x05,0xff,0xe7, - 0x9b,0xb4,0x00,0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0x7b,0xe3,0xe1, - 0x69,0xe3,0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3,0x00, - 0xd2,0x13,0xe1,0x97,0xe3,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff,0xe7, - 0xa9,0x80,0x00,0xd1,0x12,0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc,0x00,0x05,0xff, - 0xf0,0xa5,0xaa,0xa7,0x00,0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x05,0xff, - 0xe7,0xaa,0xae,0x00,0xe0,0xad,0xe6,0xcf,0x86,0xd5,0x1d,0xe4,0x22,0xe5,0xe3,0xde, - 0xe4,0xe2,0xbc,0xe4,0xe1,0xab,0xe4,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f,0x00, - 0x05,0xff,0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0xc9,0xe5,0xe2,0xa5,0xe5,0xe1,0x94, - 0xe5,0x10,0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00,0xd3, - 0x18,0xe2,0x14,0xe6,0xe1,0x03,0xe6,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1,0x00, - 0x05,0xff,0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0x2c,0xe6,0x10,0x08,0x05,0xff, - 0xe8,0x9a,0x88,0x00,0x05,0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10,0x08,0x05,0xff, - 0xe8,0x9c,0xa8,0x00,0x05,0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05,0xff,0xe8,0x9e, - 0x86,0x00,0x05,0xff,0xe4,0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x57,0x04,0x01,0x00,0xc6,0xd5,0x13,0xe4,0x68,0x53,0xe3,0xa2,0x4e,0xe2,0x1b,0x49, + 0xc1,0xe0,0x47,0x47,0xcf,0x06,0x01,0x00,0xd4,0x2a,0xe3,0x99,0x99,0xe2,0x48,0x99, + 0xe1,0x50,0x87,0xe0,0xe0,0x6a,0xcf,0x86,0xc5,0xe4,0x3f,0x63,0xe3,0x8a,0x5e,0xe2, + 0x20,0x5c,0xe1,0x53,0x5b,0xe0,0x18,0x5b,0xcf,0x86,0xe5,0xdd,0x5a,0x64,0xc0,0x5a, + 0x0b,0x00,0x83,0xe2,0x3c,0xf0,0xe1,0x26,0xed,0xe0,0xa3,0xeb,0xcf,0x86,0xd5,0x31, + 0xc4,0xe3,0x23,0xc6,0xe2,0xfc,0xc3,0xe1,0xdd,0xc2,0xe0,0x6d,0xb9,0xcf,0x86,0xe5, + 0x60,0xb5,0xe4,0x59,0xb4,0xe3,0x4a,0xb3,0xe2,0xa1,0xb2,0xe1,0x7c,0xb2,0xe0,0x55, + 0xb2,0xcf,0x86,0xe5,0x22,0xb2,0x94,0x07,0x63,0x0d,0xb2,0x07,0x00,0x07,0x00,0xe4, + 0x0f,0xeb,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b,0xe1,0x1e,0xd8,0xcf, + 0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0x0d,0xd9,0xcf,0x86,0xe5,0xd2,0xd8,0xcf, + 0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0x0d,0xd9,0xcf,0x06,0x13,0x00,0xcf,0x86, + 0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0xa8,0xea,0xe3,0x91,0xe9,0xd2,0xa0,0xe1,0x47, + 0xdd,0xd0,0x21,0xcf,0x86,0xe5,0x48,0xda,0xe4,0xc4,0xd9,0xe3,0x82,0xd9,0xe2,0x61, + 0xd9,0xe1,0x4f,0xd9,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00,0x05,0xff,0xe4,0xb8, + 0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0xa4,0xdb,0xe3,0x63,0xdb,0xe2,0x42,0xdb,0xe1, + 0x31,0xdb,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff,0xe5,0x93,0xb6,0x00, + 0xd4,0x34,0xd3,0x18,0xe2,0x2b,0xdc,0xe1,0x1a,0xdc,0x10,0x09,0x05,0xff,0xf0,0xa1, + 0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0x4b,0xdc,0x91,0x11,0x10, + 0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac,0x88,0x00,0x05,0xff, + 0xe5,0xac,0xbe,0x00,0xe3,0x91,0xdc,0xd2,0x14,0xe1,0x60,0xdc,0x10,0x08,0x05,0xff, + 0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98,0x00,0xe1,0x6c,0xdc,0x10,0x08, + 0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00,0xd1,0xd5,0xd0,0x6a, + 0xcf,0x86,0xe5,0xc1,0xe1,0xd4,0x19,0xe3,0xfa,0xe0,0xe2,0xd8,0xe0,0xe1,0xc7,0xe0, + 0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5,0xb7,0x00,0xd3,0x18, + 0xe2,0x44,0xe1,0xe1,0x33,0xe1,0x10,0x09,0x05,0xff,0xf0,0xa3,0xbd,0x9e,0x00,0x05, + 0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0x5c,0xe1,0x10,0x08,0x05,0xff,0xe7, + 0x81,0xbd,0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1,0x11,0x10,0x08,0x05,0xff,0xe7, + 0x85,0x85,0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00,0x10,0x08,0x05,0xff,0xe7,0x86, + 0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0x5e,0xe3,0xd4,0x1a,0xe3, + 0x96,0xe2,0xe2,0x7c,0xe2,0xe1,0x69,0xe2,0x10,0x08,0x05,0xff,0xe7,0x9b,0xb4,0x00, + 0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0xde,0xe2,0xe1,0xcc,0xe2,0x10, + 0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3,0x00,0xd2,0x13,0xe1, + 0xfa,0xe2,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff,0xe7,0xa9,0x80,0x00, + 0xd1,0x12,0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc,0x00,0x05,0xff,0xf0,0xa5,0xaa, + 0xa7,0x00,0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x05,0xff,0xe7,0xaa,0xae, + 0x00,0xe0,0x10,0xe6,0xcf,0x86,0xd5,0x1d,0xe4,0x85,0xe4,0xe3,0x41,0xe4,0xe2,0x1f, + 0xe4,0xe1,0x0e,0xe4,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f,0x00,0x05,0xff,0xe4, + 0x8f,0x95,0x00,0xd4,0x19,0xe3,0x2c,0xe5,0xe2,0x08,0xe5,0xe1,0xf7,0xe4,0x10,0x08, + 0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00,0xd3,0x18,0xe2,0x77, + 0xe5,0xe1,0x66,0xe5,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1,0x00,0x05,0xff,0xf0, + 0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0x8f,0xe5,0x10,0x08,0x05,0xff,0xe8,0x9a,0x88, + 0x00,0x05,0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10,0x08,0x05,0xff,0xe8,0x9c,0xa8, + 0x00,0x05,0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05,0xff,0xe8,0x9e,0x86,0x00,0x05, + 0xff,0xe4,0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* nfdicf_c0100 */ 0xd7,0xb0,0x56,0x04,0x01,0x00,0x95,0xa8,0xd4,0x5e,0xd3,0x2e,0xd2,0x16,0xd1,0x0a, 0x10,0x04,0x01,0x00,0x01,0xff,0x61,0x00,0x10,0x06,0x01,0xff,0x62,0x00,0x01,0xff, @@ -300,3184 +300,3174 @@ static const unsigned char utf8data[64256] = { 0xd1,0x0c,0x10,0x06,0x01,0xff,0x74,0x00,0x01,0xff,0x75,0x00,0x10,0x06,0x01,0xff, 0x76,0x00,0x01,0xff,0x77,0x00,0x92,0x16,0xd1,0x0c,0x10,0x06,0x01,0xff,0x78,0x00, 0x01,0xff,0x79,0x00,0x10,0x06,0x01,0xff,0x7a,0x00,0x01,0x00,0x01,0x00,0x01,0x00, - 0xc6,0xe5,0xf9,0x14,0xe4,0x6f,0x0d,0xe3,0x39,0x08,0xe2,0x22,0x01,0xc1,0xd0,0x24, - 0xcf,0x86,0x55,0x04,0x01,0x00,0xd4,0x07,0x63,0xd8,0x43,0x01,0x00,0x93,0x13,0x52, - 0x04,0x01,0x00,0x91,0x0b,0x10,0x04,0x01,0x00,0x01,0xff,0xce,0xbc,0x00,0x01,0x00, - 0x01,0x00,0xcf,0x86,0xe5,0xb3,0x44,0xd4,0x7f,0xd3,0x3f,0xd2,0x20,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x61,0xcc,0x80,0x00,0x01,0xff,0x61,0xcc,0x81,0x00,0x10,0x08,0x01, - 0xff,0x61,0xcc,0x82,0x00,0x01,0xff,0x61,0xcc,0x83,0x00,0xd1,0x10,0x10,0x08,0x01, - 0xff,0x61,0xcc,0x88,0x00,0x01,0xff,0x61,0xcc,0x8a,0x00,0x10,0x07,0x01,0xff,0xc3, - 0xa6,0x00,0x01,0xff,0x63,0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff, - 0x65,0xcc,0x80,0x00,0x01,0xff,0x65,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x65,0xcc, - 0x82,0x00,0x01,0xff,0x65,0xcc,0x88,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x69,0xcc, - 0x80,0x00,0x01,0xff,0x69,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x69,0xcc,0x82,0x00, - 0x01,0xff,0x69,0xcc,0x88,0x00,0xd3,0x3b,0xd2,0x1f,0xd1,0x0f,0x10,0x07,0x01,0xff, - 0xc3,0xb0,0x00,0x01,0xff,0x6e,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x80, - 0x00,0x01,0xff,0x6f,0xcc,0x81,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6f,0xcc,0x82, - 0x00,0x01,0xff,0x6f,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x88,0x00,0x01, - 0x00,0xd2,0x1f,0xd1,0x0f,0x10,0x07,0x01,0xff,0xc3,0xb8,0x00,0x01,0xff,0x75,0xcc, - 0x80,0x00,0x10,0x08,0x01,0xff,0x75,0xcc,0x81,0x00,0x01,0xff,0x75,0xcc,0x82,0x00, - 0xd1,0x10,0x10,0x08,0x01,0xff,0x75,0xcc,0x88,0x00,0x01,0xff,0x79,0xcc,0x81,0x00, - 0x10,0x07,0x01,0xff,0xc3,0xbe,0x00,0x01,0xff,0x73,0x73,0x00,0xe1,0xd4,0x03,0xe0, - 0xeb,0x01,0xcf,0x86,0xd5,0xfb,0xd4,0x80,0xd3,0x40,0xd2,0x20,0xd1,0x10,0x10,0x08, - 0x01,0xff,0x61,0xcc,0x84,0x00,0x01,0xff,0x61,0xcc,0x84,0x00,0x10,0x08,0x01,0xff, - 0x61,0xcc,0x86,0x00,0x01,0xff,0x61,0xcc,0x86,0x00,0xd1,0x10,0x10,0x08,0x01,0xff, - 0x61,0xcc,0xa8,0x00,0x01,0xff,0x61,0xcc,0xa8,0x00,0x10,0x08,0x01,0xff,0x63,0xcc, - 0x81,0x00,0x01,0xff,0x63,0xcc,0x81,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff, - 0x63,0xcc,0x82,0x00,0x01,0xff,0x63,0xcc,0x82,0x00,0x10,0x08,0x01,0xff,0x63,0xcc, - 0x87,0x00,0x01,0xff,0x63,0xcc,0x87,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x63,0xcc, - 0x8c,0x00,0x01,0xff,0x63,0xcc,0x8c,0x00,0x10,0x08,0x01,0xff,0x64,0xcc,0x8c,0x00, - 0x01,0xff,0x64,0xcc,0x8c,0x00,0xd3,0x3b,0xd2,0x1b,0xd1,0x0b,0x10,0x07,0x01,0xff, - 0xc4,0x91,0x00,0x01,0x00,0x10,0x08,0x01,0xff,0x65,0xcc,0x84,0x00,0x01,0xff,0x65, - 0xcc,0x84,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x65,0xcc,0x86,0x00,0x01,0xff,0x65, - 0xcc,0x86,0x00,0x10,0x08,0x01,0xff,0x65,0xcc,0x87,0x00,0x01,0xff,0x65,0xcc,0x87, - 0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x65,0xcc,0xa8,0x00,0x01,0xff,0x65, - 0xcc,0xa8,0x00,0x10,0x08,0x01,0xff,0x65,0xcc,0x8c,0x00,0x01,0xff,0x65,0xcc,0x8c, - 0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x67,0xcc,0x82,0x00,0x01,0xff,0x67,0xcc,0x82, - 0x00,0x10,0x08,0x01,0xff,0x67,0xcc,0x86,0x00,0x01,0xff,0x67,0xcc,0x86,0x00,0xd4, - 0x7b,0xd3,0x3b,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x67,0xcc,0x87,0x00,0x01, - 0xff,0x67,0xcc,0x87,0x00,0x10,0x08,0x01,0xff,0x67,0xcc,0xa7,0x00,0x01,0xff,0x67, - 0xcc,0xa7,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x68,0xcc,0x82,0x00,0x01,0xff,0x68, - 0xcc,0x82,0x00,0x10,0x07,0x01,0xff,0xc4,0xa7,0x00,0x01,0x00,0xd2,0x20,0xd1,0x10, - 0x10,0x08,0x01,0xff,0x69,0xcc,0x83,0x00,0x01,0xff,0x69,0xcc,0x83,0x00,0x10,0x08, - 0x01,0xff,0x69,0xcc,0x84,0x00,0x01,0xff,0x69,0xcc,0x84,0x00,0xd1,0x10,0x10,0x08, - 0x01,0xff,0x69,0xcc,0x86,0x00,0x01,0xff,0x69,0xcc,0x86,0x00,0x10,0x08,0x01,0xff, - 0x69,0xcc,0xa8,0x00,0x01,0xff,0x69,0xcc,0xa8,0x00,0xd3,0x37,0xd2,0x17,0xd1,0x0c, - 0x10,0x08,0x01,0xff,0x69,0xcc,0x87,0x00,0x01,0x00,0x10,0x07,0x01,0xff,0xc4,0xb3, - 0x00,0x01,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6a,0xcc,0x82,0x00,0x01,0xff,0x6a, - 0xcc,0x82,0x00,0x10,0x08,0x01,0xff,0x6b,0xcc,0xa7,0x00,0x01,0xff,0x6b,0xcc,0xa7, - 0x00,0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01,0x00,0x01,0xff,0x6c,0xcc,0x81,0x00,0x10, - 0x08,0x01,0xff,0x6c,0xcc,0x81,0x00,0x01,0xff,0x6c,0xcc,0xa7,0x00,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x6c,0xcc,0xa7,0x00,0x01,0xff,0x6c,0xcc,0x8c,0x00,0x10,0x08,0x01, - 0xff,0x6c,0xcc,0x8c,0x00,0x01,0xff,0xc5,0x80,0x00,0xcf,0x86,0xd5,0xed,0xd4,0x72, - 0xd3,0x37,0xd2,0x17,0xd1,0x0b,0x10,0x04,0x01,0x00,0x01,0xff,0xc5,0x82,0x00,0x10, - 0x04,0x01,0x00,0x01,0xff,0x6e,0xcc,0x81,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6e, - 0xcc,0x81,0x00,0x01,0xff,0x6e,0xcc,0xa7,0x00,0x10,0x08,0x01,0xff,0x6e,0xcc,0xa7, - 0x00,0x01,0xff,0x6e,0xcc,0x8c,0x00,0xd2,0x1b,0xd1,0x10,0x10,0x08,0x01,0xff,0x6e, - 0xcc,0x8c,0x00,0x01,0xff,0xca,0xbc,0x6e,0x00,0x10,0x07,0x01,0xff,0xc5,0x8b,0x00, - 0x01,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6f,0xcc,0x84,0x00,0x01,0xff,0x6f,0xcc, - 0x84,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x86,0x00,0x01,0xff,0x6f,0xcc,0x86,0x00, - 0xd3,0x3b,0xd2,0x1b,0xd1,0x10,0x10,0x08,0x01,0xff,0x6f,0xcc,0x8b,0x00,0x01,0xff, - 0x6f,0xcc,0x8b,0x00,0x10,0x07,0x01,0xff,0xc5,0x93,0x00,0x01,0x00,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x72,0xcc,0x81,0x00,0x01,0xff,0x72,0xcc,0x81,0x00,0x10,0x08,0x01, - 0xff,0x72,0xcc,0xa7,0x00,0x01,0xff,0x72,0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x72,0xcc,0x8c,0x00,0x01,0xff,0x72,0xcc,0x8c,0x00,0x10,0x08,0x01, - 0xff,0x73,0xcc,0x81,0x00,0x01,0xff,0x73,0xcc,0x81,0x00,0xd1,0x10,0x10,0x08,0x01, - 0xff,0x73,0xcc,0x82,0x00,0x01,0xff,0x73,0xcc,0x82,0x00,0x10,0x08,0x01,0xff,0x73, - 0xcc,0xa7,0x00,0x01,0xff,0x73,0xcc,0xa7,0x00,0xd4,0x7b,0xd3,0x3b,0xd2,0x20,0xd1, - 0x10,0x10,0x08,0x01,0xff,0x73,0xcc,0x8c,0x00,0x01,0xff,0x73,0xcc,0x8c,0x00,0x10, - 0x08,0x01,0xff,0x74,0xcc,0xa7,0x00,0x01,0xff,0x74,0xcc,0xa7,0x00,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x74,0xcc,0x8c,0x00,0x01,0xff,0x74,0xcc,0x8c,0x00,0x10,0x07,0x01, - 0xff,0xc5,0xa7,0x00,0x01,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x75,0xcc, - 0x83,0x00,0x01,0xff,0x75,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x75,0xcc,0x84,0x00, - 0x01,0xff,0x75,0xcc,0x84,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x75,0xcc,0x86,0x00, - 0x01,0xff,0x75,0xcc,0x86,0x00,0x10,0x08,0x01,0xff,0x75,0xcc,0x8a,0x00,0x01,0xff, - 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0x14,0xff,0xf0,0x96,0xb9,0xbf,0x00,0x14,0x00,0xd2,0x14,0xe1,0x25,0x82,0xe0,0x1c, - 0x82,0xcf,0x86,0xe5,0xdd,0x81,0xe4,0x9a,0x81,0xcf,0x06,0x12,0x00,0xd1,0x0b,0xe0, - 0x51,0x83,0xcf,0x86,0xcf,0x06,0x00,0x00,0xe0,0x95,0x8b,0xcf,0x86,0xd5,0x22,0xe4, - 0xd0,0x88,0xe3,0x93,0x88,0xe2,0x38,0x88,0xe1,0x31,0x88,0xe0,0x2a,0x88,0xcf,0x86, - 0xe5,0xfb,0x87,0xe4,0xe2,0x87,0x93,0x07,0x62,0xd1,0x87,0x12,0xe6,0x12,0xe6,0xe4, - 0x36,0x89,0xe3,0x2f,0x89,0xd2,0x09,0xe1,0xb8,0x88,0xcf,0x06,0x10,0x00,0xe1,0x1f, - 0x89,0xe0,0xec,0x88,0xcf,0x86,0xe5,0x21,0x01,0xd4,0x90,0xd3,0x48,0xd2,0x24,0xd1, - 0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xa2,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xa3, - 0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xa4,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xa5, - 0x00,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xa6,0x00,0x12,0xff,0xf0,0x9e, - 0xa4,0xa7,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xa8,0x00,0x12,0xff,0xf0,0x9e, - 0xa4,0xa9,0x00,0xd2,0x24,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xaa,0x00, - 0x12,0xff,0xf0,0x9e,0xa4,0xab,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xac,0x00, - 0x12,0xff,0xf0,0x9e,0xa4,0xad,0x00,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4, - 0xae,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xaf,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4, - 0xb0,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb1,0x00,0xd3,0x48,0xd2,0x24,0xd1,0x12,0x10, - 0x09,0x12,0xff,0xf0,0x9e,0xa4,0xb2,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb3,0x00,0x10, - 0x09,0x12,0xff,0xf0,0x9e,0xa4,0xb4,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb5,0x00,0xd1, - 0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xb6,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb7, - 0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xb8,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb9, - 0x00,0xd2,0x24,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xba,0x00,0x12,0xff, - 0xf0,0x9e,0xa4,0xbb,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xbc,0x00,0x12,0xff, - 0xf0,0x9e,0xa4,0xbd,0x00,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xbe,0x00, - 0x12,0xff,0xf0,0x9e,0xa4,0xbf,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa5,0x80,0x00, - 0x12,0xff,0xf0,0x9e,0xa5,0x81,0x00,0x94,0x1e,0x93,0x1a,0x92,0x16,0x91,0x12,0x10, - 0x09,0x12,0xff,0xf0,0x9e,0xa5,0x82,0x00,0x12,0xff,0xf0,0x9e,0xa5,0x83,0x00,0x12, - 0x00,0x12,0x00,0x12,0x00,0x12,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - /* nfdi_c0100 */ - 0x57,0x04,0x01,0x00,0xc6,0xe5,0xac,0x13,0xe4,0x41,0x0c,0xe3,0x7a,0x07,0xe2,0xf3, - 0x01,0xc1,0xd0,0x1f,0xcf,0x86,0x55,0x04,0x01,0x00,0x94,0x15,0x53,0x04,0x01,0x00, - 0x52,0x04,0x01,0x00,0x91,0x09,0x10,0x04,0x01,0x00,0x01,0xff,0x00,0x01,0x00,0x01, - 0x00,0xcf,0x86,0xd5,0xe4,0xd4,0x7c,0xd3,0x3c,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01, - 0xff,0x41,0xcc,0x80,0x00,0x01,0xff,0x41,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x41, - 0xcc,0x82,0x00,0x01,0xff,0x41,0xcc,0x83,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x41, - 0xcc,0x88,0x00,0x01,0xff,0x41,0xcc,0x8a,0x00,0x10,0x04,0x01,0x00,0x01,0xff,0x43, - 0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x45,0xcc,0x80,0x00,0x01, - 0xff,0x45,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x45,0xcc,0x82,0x00,0x01,0xff,0x45, - 0xcc,0x88,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x49,0xcc,0x80,0x00,0x01,0xff,0x49, - 0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x49,0xcc,0x82,0x00,0x01,0xff,0x49,0xcc,0x88, - 0x00,0xd3,0x38,0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01,0x00,0x01,0xff,0x4e,0xcc,0x83, - 0x00,0x10,0x08,0x01,0xff,0x4f,0xcc,0x80,0x00,0x01,0xff,0x4f,0xcc,0x81,0x00,0xd1, - 0x10,0x10,0x08,0x01,0xff,0x4f,0xcc,0x82,0x00,0x01,0xff,0x4f,0xcc,0x83,0x00,0x10, - 0x08,0x01,0xff,0x4f,0xcc,0x88,0x00,0x01,0x00,0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01, - 0x00,0x01,0xff,0x55,0xcc,0x80,0x00,0x10,0x08,0x01,0xff,0x55,0xcc,0x81,0x00,0x01, - 0xff,0x55,0xcc,0x82,0x00,0x91,0x10,0x10,0x08,0x01,0xff,0x55,0xcc,0x88,0x00,0x01, - 0xff,0x59,0xcc,0x81,0x00,0x01,0x00,0xd4,0x7c,0xd3,0x3c,0xd2,0x20,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x61,0xcc,0x80,0x00,0x01,0xff,0x61,0xcc,0x81,0x00,0x10,0x08,0x01, - 0xff,0x61,0xcc,0x82,0x00,0x01,0xff,0x61,0xcc,0x83,0x00,0xd1,0x10,0x10,0x08,0x01, - 0xff,0x61,0xcc,0x88,0x00,0x01,0xff,0x61,0xcc,0x8a,0x00,0x10,0x04,0x01,0x00,0x01, + 0xc6,0xe5,0xf6,0x14,0xe4,0x6c,0x0d,0xe3,0x36,0x08,0xe2,0x1f,0x01,0xc1,0xd0,0x21, + 0xcf,0x86,0x55,0x04,0x01,0x00,0x54,0x04,0x01,0x00,0x93,0x13,0x52,0x04,0x01,0x00, + 0x91,0x0b,0x10,0x04,0x01,0x00,0x01,0xff,0xce,0xbc,0x00,0x01,0x00,0x01,0x00,0xcf, + 0x86,0xe5,0x9d,0x44,0xd4,0x7f,0xd3,0x3f,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff, + 0x61,0xcc,0x80,0x00,0x01,0xff,0x61,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x61,0xcc, + 0x82,0x00,0x01,0xff,0x61,0xcc,0x83,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x61,0xcc, + 0x88,0x00,0x01,0xff,0x61,0xcc,0x8a,0x00,0x10,0x07,0x01,0xff,0xc3,0xa6,0x00,0x01, 0xff,0x63,0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x65,0xcc,0x80, 0x00,0x01,0xff,0x65,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x65,0xcc,0x82,0x00,0x01, 0xff,0x65,0xcc,0x88,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x69,0xcc,0x80,0x00,0x01, 0xff,0x69,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x69,0xcc,0x82,0x00,0x01,0xff,0x69, - 0xcc,0x88,0x00,0xd3,0x38,0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01,0x00,0x01,0xff,0x6e, - 0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x80,0x00,0x01,0xff,0x6f,0xcc,0x81, - 0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6f,0xcc,0x82,0x00,0x01,0xff,0x6f,0xcc,0x83, - 0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x88,0x00,0x01,0x00,0xd2,0x1c,0xd1,0x0c,0x10, - 0x04,0x01,0x00,0x01,0xff,0x75,0xcc,0x80,0x00,0x10,0x08,0x01,0xff,0x75,0xcc,0x81, - 0x00,0x01,0xff,0x75,0xcc,0x82,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x75,0xcc,0x88, - 0x00,0x01,0xff,0x79,0xcc,0x81,0x00,0x10,0x04,0x01,0x00,0x01,0xff,0x79,0xcc,0x88, - 0x00,0xe1,0x9a,0x03,0xe0,0xd3,0x01,0xcf,0x86,0xd5,0xf4,0xd4,0x80,0xd3,0x40,0xd2, - 0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x41,0xcc,0x84,0x00,0x01,0xff,0x61,0xcc,0x84, - 0x00,0x10,0x08,0x01,0xff,0x41,0xcc,0x86,0x00,0x01,0xff,0x61,0xcc,0x86,0x00,0xd1, - 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0x00,0x10,0xff,0xf0,0x91,0xa3,0x99,0x00,0x10,0x09,0x10,0xff,0xf0,0x91,0xa3,0x9a, + 0x00,0x10,0xff,0xf0,0x91,0xa3,0x9b,0x00,0xd1,0x12,0x10,0x09,0x10,0xff,0xf0,0x91, + 0xa3,0x9c,0x00,0x10,0xff,0xf0,0x91,0xa3,0x9d,0x00,0x10,0x09,0x10,0xff,0xf0,0x91, + 0xa3,0x9e,0x00,0x10,0xff,0xf0,0x91,0xa3,0x9f,0x00,0xd1,0x11,0xe0,0x7a,0x80,0xcf, + 0x86,0xe5,0x71,0x80,0xe4,0x3a,0x80,0xcf,0x06,0x00,0x00,0xe0,0x43,0x82,0xcf,0x86, + 0xd5,0x06,0xcf,0x06,0x00,0x00,0xd4,0x09,0xe3,0x78,0x80,0xcf,0x06,0x0c,0x00,0xd3, + 0x06,0xcf,0x06,0x00,0x00,0xe2,0xa3,0x81,0xe1,0x7e,0x81,0xd0,0x06,0xcf,0x06,0x00, + 0x00,0xcf,0x86,0xa5,0x21,0x01,0xd4,0x90,0xd3,0x48,0xd2,0x24,0xd1,0x12,0x10,0x09, + 0x14,0xff,0xf0,0x96,0xb9,0xa0,0x00,0x14,0xff,0xf0,0x96,0xb9,0xa1,0x00,0x10,0x09, + 0x14,0xff,0xf0,0x96,0xb9,0xa2,0x00,0x14,0xff,0xf0,0x96,0xb9,0xa3,0x00,0xd1,0x12, + 0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xa4,0x00,0x14,0xff,0xf0,0x96,0xb9,0xa5,0x00, + 0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xa6,0x00,0x14,0xff,0xf0,0x96,0xb9,0xa7,0x00, + 0xd2,0x24,0xd1,0x12,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xa8,0x00,0x14,0xff,0xf0, + 0x96,0xb9,0xa9,0x00,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xaa,0x00,0x14,0xff,0xf0, + 0x96,0xb9,0xab,0x00,0xd1,0x12,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xac,0x00,0x14, + 0xff,0xf0,0x96,0xb9,0xad,0x00,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xae,0x00,0x14, + 0xff,0xf0,0x96,0xb9,0xaf,0x00,0xd3,0x48,0xd2,0x24,0xd1,0x12,0x10,0x09,0x14,0xff, + 0xf0,0x96,0xb9,0xb0,0x00,0x14,0xff,0xf0,0x96,0xb9,0xb1,0x00,0x10,0x09,0x14,0xff, + 0xf0,0x96,0xb9,0xb2,0x00,0x14,0xff,0xf0,0x96,0xb9,0xb3,0x00,0xd1,0x12,0x10,0x09, + 0x14,0xff,0xf0,0x96,0xb9,0xb4,0x00,0x14,0xff,0xf0,0x96,0xb9,0xb5,0x00,0x10,0x09, + 0x14,0xff,0xf0,0x96,0xb9,0xb6,0x00,0x14,0xff,0xf0,0x96,0xb9,0xb7,0x00,0xd2,0x24, + 0xd1,0x12,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xb8,0x00,0x14,0xff,0xf0,0x96,0xb9, + 0xb9,0x00,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xba,0x00,0x14,0xff,0xf0,0x96,0xb9, + 0xbb,0x00,0xd1,0x12,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xbc,0x00,0x14,0xff,0xf0, + 0x96,0xb9,0xbd,0x00,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xbe,0x00,0x14,0xff,0xf0, + 0x96,0xb9,0xbf,0x00,0x14,0x00,0xd2,0x14,0xe1,0x8d,0x81,0xe0,0x84,0x81,0xcf,0x86, + 0xe5,0x45,0x81,0xe4,0x02,0x81,0xcf,0x06,0x12,0x00,0xd1,0x0b,0xe0,0xb8,0x82,0xcf, + 0x86,0xcf,0x06,0x00,0x00,0xe0,0xf8,0x8a,0xcf,0x86,0xd5,0x22,0xe4,0x33,0x88,0xe3, + 0xf6,0x87,0xe2,0x9b,0x87,0xe1,0x94,0x87,0xe0,0x8d,0x87,0xcf,0x86,0xe5,0x5e,0x87, + 0xe4,0x45,0x87,0x93,0x07,0x62,0x34,0x87,0x12,0xe6,0x12,0xe6,0xe4,0x99,0x88,0xe3, + 0x92,0x88,0xd2,0x09,0xe1,0x1b,0x88,0xcf,0x06,0x10,0x00,0xe1,0x82,0x88,0xe0,0x4f, + 0x88,0xcf,0x86,0xe5,0x21,0x01,0xd4,0x90,0xd3,0x48,0xd2,0x24,0xd1,0x12,0x10,0x09, + 0x12,0xff,0xf0,0x9e,0xa4,0xa2,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xa3,0x00,0x10,0x09, + 0x12,0xff,0xf0,0x9e,0xa4,0xa4,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xa5,0x00,0xd1,0x12, + 0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xa6,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xa7,0x00, + 0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xa8,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xa9,0x00, + 0xd2,0x24,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xaa,0x00,0x12,0xff,0xf0, + 0x9e,0xa4,0xab,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xac,0x00,0x12,0xff,0xf0, + 0x9e,0xa4,0xad,0x00,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xae,0x00,0x12, + 0xff,0xf0,0x9e,0xa4,0xaf,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xb0,0x00,0x12, + 0xff,0xf0,0x9e,0xa4,0xb1,0x00,0xd3,0x48,0xd2,0x24,0xd1,0x12,0x10,0x09,0x12,0xff, + 0xf0,0x9e,0xa4,0xb2,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb3,0x00,0x10,0x09,0x12,0xff, + 0xf0,0x9e,0xa4,0xb4,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb5,0x00,0xd1,0x12,0x10,0x09, + 0x12,0xff,0xf0,0x9e,0xa4,0xb6,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb7,0x00,0x10,0x09, + 0x12,0xff,0xf0,0x9e,0xa4,0xb8,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb9,0x00,0xd2,0x24, + 0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xba,0x00,0x12,0xff,0xf0,0x9e,0xa4, + 0xbb,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xbc,0x00,0x12,0xff,0xf0,0x9e,0xa4, + 0xbd,0x00,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xbe,0x00,0x12,0xff,0xf0, + 0x9e,0xa4,0xbf,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa5,0x80,0x00,0x12,0xff,0xf0, + 0x9e,0xa5,0x81,0x00,0x94,0x1e,0x93,0x1a,0x92,0x16,0x91,0x12,0x10,0x09,0x12,0xff, + 0xf0,0x9e,0xa5,0x82,0x00,0x12,0xff,0xf0,0x9e,0xa5,0x83,0x00,0x12,0x00,0x12,0x00, + 0x12,0x00,0x12,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + /* nfdi_c0100 */ + 0x57,0x04,0x01,0x00,0xc6,0xe5,0x91,0x13,0xe4,0x27,0x0c,0xe3,0x61,0x07,0xe2,0xda, + 0x01,0xc1,0xd0,0x06,0xcf,0x06,0x01,0x00,0xcf,0x86,0xd5,0xe4,0xd4,0x7c,0xd3,0x3c, + 0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x41,0xcc,0x80,0x00,0x01,0xff,0x41,0xcc, + 0x81,0x00,0x10,0x08,0x01,0xff,0x41,0xcc,0x82,0x00,0x01,0xff,0x41,0xcc,0x83,0x00, + 0xd1,0x10,0x10,0x08,0x01,0xff,0x41,0xcc,0x88,0x00,0x01,0xff,0x41,0xcc,0x8a,0x00, + 0x10,0x04,0x01,0x00,0x01,0xff,0x43,0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08, + 0x01,0xff,0x45,0xcc,0x80,0x00,0x01,0xff,0x45,0xcc,0x81,0x00,0x10,0x08,0x01,0xff, + 0x45,0xcc,0x82,0x00,0x01,0xff,0x45,0xcc,0x88,0x00,0xd1,0x10,0x10,0x08,0x01,0xff, + 0x49,0xcc,0x80,0x00,0x01,0xff,0x49,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x49,0xcc, + 0x82,0x00,0x01,0xff,0x49,0xcc,0x88,0x00,0xd3,0x38,0xd2,0x1c,0xd1,0x0c,0x10,0x04, + 0x01,0x00,0x01,0xff,0x4e,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x4f,0xcc,0x80,0x00, + 0x01,0xff,0x4f,0xcc,0x81,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x4f,0xcc,0x82,0x00, + 0x01,0xff,0x4f,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x4f,0xcc,0x88,0x00,0x01,0x00, + 0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01,0x00,0x01,0xff,0x55,0xcc,0x80,0x00,0x10,0x08, + 0x01,0xff,0x55,0xcc,0x81,0x00,0x01,0xff,0x55,0xcc,0x82,0x00,0x91,0x10,0x10,0x08, + 0x01,0xff,0x55,0xcc,0x88,0x00,0x01,0xff,0x59,0xcc,0x81,0x00,0x01,0x00,0xd4,0x7c, + 0xd3,0x3c,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x61,0xcc,0x80,0x00,0x01,0xff, + 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0x92,0x08,0x11,0x04,0x05,0xe6,0x05,0xdc,0x05,0x00,0x05,0x00,0xd4,0x14,0x53,0x04, @@ -4091,19 +4081,18 @@ static const unsigned char utf8data[64256] = { 0x00,0xd3,0x06,0xcf,0x06,0x00,0x00,0xd2,0x06,0xcf,0x06,0x00,0x00,0xd1,0x06,0xcf, 0x06,0x00,0x00,0xd0,0x06,0xcf,0x06,0x00,0x00,0xcf,0x86,0x55,0x04,0x00,0x00,0x54, 0x04,0x00,0x00,0x53,0x04,0x00,0x00,0x52,0x04,0x00,0x00,0x11,0x04,0x00,0x00,0x02, - 0x00,0xd4,0xd9,0xd3,0x81,0xd2,0x79,0xd1,0x71,0xd0,0x69,0xcf,0x86,0xd5,0x60,0xd4, - 0x59,0xd3,0x52,0xd2,0x33,0xd1,0x2c,0xd0,0x25,0xcf,0x86,0x95,0x1e,0x94,0x19,0x93, - 0x14,0x92,0x0f,0x91,0x0a,0x10,0x05,0x00,0xff,0x00,0x05,0xff,0x00,0x00,0xff,0x00, - 0x00,0xff,0x00,0x00,0xff,0x00,0x00,0xff,0x00,0x05,0xff,0x00,0xcf,0x06,0x05,0xff, - 0x00,0xcf,0x06,0x00,0xff,0x00,0xd1,0x07,0xcf,0x06,0x07,0xff,0x00,0xd0,0x07,0xcf, - 0x06,0x07,0xff,0x00,0xcf,0x86,0x55,0x05,0x07,0xff,0x00,0x14,0x05,0x07,0xff,0x00, - 0x00,0xff,0x00,0xcf,0x06,0x00,0xff,0x00,0xcf,0x06,0x00,0xff,0x00,0xcf,0x06,0x00, - 0xff,0x00,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86, - 0xcf,0x06,0x00,0x00,0xd2,0x08,0xcf,0x86,0xcf,0x06,0x00,0x00,0xd1,0x08,0xcf,0x86, - 0xcf,0x06,0x00,0x00,0xd0,0x08,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86,0xd5,0x06, - 0xcf,0x06,0x00,0x00,0xd4,0x06,0xcf,0x06,0x00,0x00,0xd3,0x06,0xcf,0x06,0x00,0x00, - 0xd2,0x06,0xcf,0x06,0x00,0x00,0xd1,0x06,0xcf,0x06,0x00,0x00,0xd0,0x06,0xcf,0x06, - 0x00,0x00,0xcf,0x86,0x55,0x04,0x00,0x00,0x54,0x04,0x00,0x00,0x53,0x04,0x00,0x00, - 0x52,0x04,0x00,0x00,0x11,0x04,0x00,0x00,0x02,0x00,0xcf,0x86,0xcf,0x06,0x02,0x00, - 0x81,0x80,0xcf,0x86,0x85,0x84,0xcf,0x86,0xcf,0x06,0x02,0x00,0x00,0x00,0x00,0x00 + 0x00,0xd4,0xc8,0xd3,0x70,0xd2,0x68,0xd1,0x60,0xd0,0x58,0xcf,0x86,0xd5,0x50,0xd4, + 0x4a,0xd3,0x44,0xd2,0x2a,0xd1,0x24,0xd0,0x1e,0xcf,0x86,0x95,0x18,0x94,0x14,0x93, + 0x10,0x92,0x0c,0x91,0x08,0x10,0x04,0x00,0x00,0x05,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x05,0x00,0xcf,0x06,0x05,0x00,0xcf,0x06,0x00,0x00,0xd1,0x06,0xcf, + 0x06,0x07,0x00,0xd0,0x06,0xcf,0x06,0x07,0x00,0xcf,0x86,0x55,0x04,0x07,0x00,0x14, + 0x04,0x07,0x00,0x00,0x00,0xcf,0x06,0x00,0x00,0xcf,0x06,0x00,0x00,0xcf,0x06,0x00, + 0x00,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86,0xcf, + 0x06,0x00,0x00,0xd2,0x08,0xcf,0x86,0xcf,0x06,0x00,0x00,0xd1,0x08,0xcf,0x86,0xcf, + 0x06,0x00,0x00,0xd0,0x08,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86,0xd5,0x06,0xcf, + 0x06,0x00,0x00,0xd4,0x06,0xcf,0x06,0x00,0x00,0xd3,0x06,0xcf,0x06,0x00,0x00,0xd2, + 0x06,0xcf,0x06,0x00,0x00,0xd1,0x06,0xcf,0x06,0x00,0x00,0xd0,0x06,0xcf,0x06,0x00, + 0x00,0xcf,0x86,0x55,0x04,0x00,0x00,0x54,0x04,0x00,0x00,0x53,0x04,0x00,0x00,0x52, + 0x04,0x00,0x00,0x11,0x04,0x00,0x00,0x02,0x00,0xcf,0x86,0xcf,0x06,0x02,0x00,0x81, + 0x80,0xcf,0x86,0x85,0x84,0xcf,0x86,0xcf,0x06,0x02,0x00,0x00,0x00,0x00,0x00,0x00 }; diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index b56e8e31d9..309d4884d5 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -1935,7 +1935,7 @@ static int userfaultfd_api(struct userfaultfd_ctx *ctx, goto out; features = uffdio_api.features; ret = -EINVAL; - if (uffdio_api.api != UFFD_API || (features & ~UFFD_API_FEATURES)) + if (uffdio_api.api != UFFD_API) goto err_out; ret = -EPERM; if ((features & UFFD_FEATURE_EVENT_FORK) && !capable(CAP_SYS_PTRACE)) @@ -1949,6 +1949,11 @@ static int userfaultfd_api(struct userfaultfd_ctx *ctx, #ifndef CONFIG_HAVE_ARCH_USERFAULTFD_WP uffdio_api.features &= ~UFFD_FEATURE_PAGEFAULT_FLAG_WP; #endif + + ret = -EINVAL; + if (features & ~uffdio_api.features) + goto err_out; + uffdio_api.ioctls = UFFD_API_IOCTLS; ret = -EFAULT; if (copy_to_user(buf, &uffdio_api, sizeof(uffdio_api))) diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 3d844a250b..705cd5a60f 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -2972,7 +2972,7 @@ xlog_do_recovery_pass( int error = 0, h_size, h_len; int error2 = 0; int bblks, split_bblks; - int hblks, split_hblks, wrapped_hblks; + int hblks = 1, split_hblks, wrapped_hblks; int i; struct hlist_head rhash[XLOG_RHASH_SIZE]; LIST_HEAD (buffer_list); @@ -3028,14 +3028,22 @@ xlog_do_recovery_pass( if (error) goto bread_err1; - hblks = xlog_logrec_hblks(log, rhead); - if (hblks != 1) { - kmem_free(hbp); - hbp = xlog_alloc_buffer(log, hblks); + /* + * This open codes xlog_logrec_hblks so that we can reuse the + * fixed up h_size value calculated above. Without that we'd + * still allocate the buffer based on the incorrect on-disk + * size. + */ + if (h_size > XLOG_HEADER_CYCLE_SIZE && + (rhead->h_version & cpu_to_be32(XLOG_VERSION_2))) { + hblks = DIV_ROUND_UP(h_size, XLOG_HEADER_CYCLE_SIZE); + if (hblks > 1) { + kmem_free(hbp); + hbp = xlog_alloc_buffer(log, hblks); + } } } else { ASSERT(log->l_sectBBsize == 1); - hblks = 1; hbp = xlog_alloc_buffer(log, 1); h_size = XLOG_BIG_RECORD_BSIZE; } diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h index 6b14414b9e..28179bb794 100644 --- a/include/acpi/cppc_acpi.h +++ b/include/acpi/cppc_acpi.h @@ -64,6 +64,8 @@ struct cpc_desc { int cpu_id; int write_cmd_status; int write_cmd_id; + /* Lock used for RMW operations in cpc_write() */ + raw_spinlock_t rmw_lock; struct cpc_register_resource cpc_regs[MAX_CPC_REG_ENT]; struct acpi_psd_package domain_info; struct kobject kobj; diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index dd9ea351bc..4132a76a3e 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -101,7 +101,7 @@ #define DATA_MAIN .data .data.[0-9a-zA-Z_]* .data..L* .data..compoundliteral* .data.$__unnamed_* .data.$L* #define SDATA_MAIN .sdata .sdata.[0-9a-zA-Z_]* #define RODATA_MAIN .rodata .rodata.[0-9a-zA-Z_]* .rodata..L* -#define BSS_MAIN .bss .bss.[0-9a-zA-Z_]* .bss..compoundliteral* +#define BSS_MAIN .bss .bss.[0-9a-zA-Z_]* .bss..L* .bss..compoundliteral* #define SBSS_MAIN .sbss .sbss.[0-9a-zA-Z_]* #else #define TEXT_MAIN .text diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h index f7ece14b10..10f3f54f84 100644 --- a/include/drm/drm_print.h +++ b/include/drm/drm_print.h @@ -121,7 +121,8 @@ drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va) /** * struct drm_print_iterator - local struct used with drm_printer_coredump - * @data: Pointer to the devcoredump output buffer + * @data: Pointer to the devcoredump output buffer, can be NULL if using + * drm_printer_coredump to determine size of devcoredump * @start: The offset within the buffer to start writing * @remain: The number of bytes to write for this iteration */ @@ -166,6 +167,57 @@ struct drm_print_iterator { * coredump_read, ...) * } * + * The above example has a time complexity of O(N^2), where N is the size of the + * devcoredump. This is acceptable for small devcoredumps but scales poorly for + * larger ones. + * + * Another use case for drm_coredump_printer is to capture the devcoredump into + * a saved buffer before the dev_coredump() callback. This involves two passes: + * one to determine the size of the devcoredump and another to print it to a + * buffer. Then, in dev_coredump(), copy from the saved buffer into the + * devcoredump read buffer. + * + * For example:: + * + * char *devcoredump_saved_buffer; + * + * ssize_t __coredump_print(char *buffer, ssize_t count, ...) + * { + * struct drm_print_iterator iter; + * struct drm_printer p; + * + * iter.data = buffer; + * iter.start = 0; + * iter.remain = count; + * + * p = drm_coredump_printer(&iter); + * + * drm_printf(p, "foo=%d\n", foo); + * ... + * return count - iter.remain; + * } + * + * void coredump_print(...) + * { + * ssize_t count; + * + * count = __coredump_print(NULL, INT_MAX, ...); + * devcoredump_saved_buffer = kvmalloc(count, GFP_KERNEL); + * __coredump_print(devcoredump_saved_buffer, count, ...); + * } + * + * void coredump_read(char *buffer, loff_t offset, size_t count, + * void *data, size_t datalen) + * { + * ... + * memcpy(buffer, devcoredump_saved_buffer + offset, count); + * ... + * } + * + * The above example has a time complexity of O(N*2), where N is the size of the + * devcoredump. This scales better than the previous example for larger + * devcoredumps. + * * RETURNS: * The &drm_printer object */ diff --git a/include/dt-bindings/clock/qcom,gcc-sc8180x.h b/include/dt-bindings/clock/qcom,gcc-sc8180x.h index e893415ae1..2569f874fe 100644 --- a/include/dt-bindings/clock/qcom,gcc-sc8180x.h +++ b/include/dt-bindings/clock/qcom,gcc-sc8180x.h @@ -246,6 +246,9 @@ #define GCC_PCIE_3_CLKREF_CLK 236 #define GCC_USB3_PRIM_CLKREF_CLK 237 #define GCC_USB3_SEC_CLKREF_CLK 238 +#define GCC_UFS_MEM_CLKREF_EN 239 +#define GCC_UFS_CARD_CLKREF_EN 240 +#define GPLL9 241 #define GCC_EMAC_BCR 0 #define GCC_GPU_BCR 1 diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index e602d848fc..e9caa57cd6 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -423,6 +423,6 @@ int kvm_vgic_v4_unset_forwarding(struct kvm *kvm, int irq, int vgic_v4_load(struct kvm_vcpu *vcpu); void vgic_v4_commit(struct kvm_vcpu *vcpu); -int vgic_v4_put(struct kvm_vcpu *vcpu, bool need_db); +int vgic_v4_put(struct kvm_vcpu *vcpu); #endif /* __KVM_ARM_VGIC_H */ diff --git a/include/linux/acpi.h b/include/linux/acpi.h index a23a5aea9c..42f58a54df 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -561,6 +561,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); extern bool osc_sb_apei_support_acked; extern bool osc_pc_lpi_support_confirmed; extern bool osc_sb_native_usb4_support_confirmed; +extern bool osc_sb_cppc_not_supported; /* USB4 Capabilities */ #define OSC_USB_USB3_TUNNELING 0x00000001 diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 37f36dad18..ce03547d69 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -236,22 +236,24 @@ extern int bitmap_print_list_to_buf(char *buf, const unsigned long *maskp, #define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1))) #define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1))) +#define bitmap_size(nbits) (ALIGN(nbits, BITS_PER_LONG) / BITS_PER_BYTE) + static inline void bitmap_zero(unsigned long *dst, unsigned int nbits) { - unsigned int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long); + unsigned int len = bitmap_size(nbits); memset(dst, 0, len); } static inline void bitmap_fill(unsigned long *dst, unsigned int nbits) { - unsigned int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long); + unsigned int len = bitmap_size(nbits); memset(dst, 0xff, len); } static inline void bitmap_copy(unsigned long *dst, const unsigned long *src, unsigned int nbits) { - unsigned int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long); + unsigned int len = bitmap_size(nbits); memcpy(dst, src, len); } @@ -266,6 +268,18 @@ static inline void bitmap_copy_clear_tail(unsigned long *dst, dst[nbits / BITS_PER_LONG] &= BITMAP_LAST_WORD_MASK(nbits); } +static inline void bitmap_copy_and_extend(unsigned long *to, + const unsigned long *from, + unsigned int count, unsigned int size) +{ + unsigned int copy = BITS_TO_LONGS(count); + + memcpy(to, from, copy * sizeof(long)); + if (count % BITS_PER_LONG) + to[copy - 1] &= BITMAP_LAST_WORD_MASK(count); + memset(to + copy, 0, bitmap_size(size) - copy * sizeof(long)); +} + /* * On 32-bit systems bitmaps are represented as u32 arrays internally, and * therefore conversion is not needed when copying data from/to arrays of u32. diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 905844172c..c6d5781498 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -235,7 +235,7 @@ struct request { void *end_io_data; }; -static inline int blk_validate_block_size(unsigned int bsize) +static inline int blk_validate_block_size(unsigned long bsize) { if (bsize < 512 || bsize > PAGE_SIZE || !is_power_of_2(bsize)) return -EINVAL; diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index cd8b8bd5ec..45333fcf50 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -505,6 +505,10 @@ struct cgroup_root { /* Unique id for this hierarchy. */ int hierarchy_id; + /* A list running through the active hierarchies */ + struct list_head root_list; + struct rcu_head rcu; /* Must be near the top */ + /* The root cgroup. Root is destroyed on its release. */ struct cgroup cgrp; @@ -514,9 +518,6 @@ struct cgroup_root { /* Number of cgroups in the hierarchy, used only for /proc/cgroups */ atomic_t nr_cgrps; - /* A list running through the active hierarchies */ - struct list_head root_list; - /* Hierarchy-specific flags */ unsigned int flags; diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index 1d42d4b173..0ad8b550bb 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -291,7 +291,19 @@ static inline void timer_probe(void) {} #define TIMER_ACPI_DECLARE(name, table_id, fn) \ ACPI_DECLARE_PROBE_ENTRY(timer, name, table_id, 0, NULL, 0, fn) -extern ulong max_cswd_read_retries; +static inline unsigned int clocksource_get_max_watchdog_retry(void) +{ + /* + * When system is in the boot phase or under heavy workload, there + * can be random big latencies during the clocksource/watchdog + * read, so allow retries to filter the noise latency. As the + * latency's frequency and maximum value goes up with the number of + * CPUs, scale the number of retries with the number of online + * CPUs. + */ + return (ilog2(num_online_cpus()) / 2) + 1; +} + void clocksource_verify_percpu(struct clocksource *cs); #endif /* _LINUX_CLOCKSOURCE_H */ diff --git a/include/linux/cma.h b/include/linux/cma.h index 53fd8c3cdb..1b302e204c 100644 --- a/include/linux/cma.h +++ b/include/linux/cma.h @@ -20,6 +20,15 @@ #define CMA_MAX_NAME 64 +/* + * TODO: once the buddy -- especially pageblock merging and alloc_contig_range() + * -- can deal with only some pageblocks of a higher-order page being + * MIGRATE_CMA, we can use pageblock_nr_pages. + */ +#define CMA_MIN_ALIGNMENT_PAGES max_t(phys_addr_t, MAX_ORDER_NR_PAGES, \ + pageblock_nr_pages) +#define CMA_MIN_ALIGNMENT_BYTES (PAGE_SIZE * CMA_MIN_ALIGNMENT_PAGES) + struct cma; extern unsigned long totalcma_pages; diff --git a/include/linux/compat.h b/include/linux/compat.h index 01fddf72a8..d91fb5225d 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -590,7 +590,7 @@ asmlinkage long compat_sys_fstatfs(unsigned int fd, asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, struct compat_statfs64 __user *buf); asmlinkage long compat_sys_truncate(const char __user *, compat_off_t); -asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t); +asmlinkage long compat_sys_ftruncate(unsigned int, compat_off_t); /* No generic prototype for truncate64, ftruncate64, fallocate */ asmlinkage long compat_sys_openat(int dfd, const char __user *filename, int flags, umode_t mode); diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 0f7fd205ab..65111de4ad 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -246,6 +246,12 @@ static inline void *offset_to_ptr(const int *off) /* &a[0] degrades to a pointer: a different type from an array */ #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0])) +/* + * Whether 'type' is a signed type or an unsigned type. Supports scalar types, + * bool and also pointer types. + */ +#define is_signed_type(type) (((type)(-1)) < (__force type)1) + /* * This is needed in functions which generate the stack canary, see * arch/x86/kernel/smpboot.c::start_secondary() for an example. diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h index 3de06a8fae..932b8fd6f3 100644 --- a/include/linux/compiler_attributes.h +++ b/include/linux/compiler_attributes.h @@ -276,6 +276,18 @@ */ #define __section(section) __attribute__((__section__(section))) +/* + * Optional: only supported since gcc >= 12 + * + * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-uninitialized-variable-attribute + * clang: https://clang.llvm.org/docs/AttributeReference.html#uninitialized + */ +#if __has_attribute(__uninitialized__) +# define __uninitialized __attribute__((__uninitialized__)) +#else +# define __uninitialized +#endif + /* * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-unused-function-attribute * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Type-Attributes.html#index-unused-type-attribute diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index b3c230dea0..4555a4cb46 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -667,7 +667,7 @@ static inline int cpulist_parse(const char *buf, struct cpumask *dstp) */ static inline unsigned int cpumask_size(void) { - return BITS_TO_LONGS(nr_cpumask_bits) * sizeof(long); + return bitmap_size(nr_cpumask_bits); } /* diff --git a/include/linux/efi.h b/include/linux/efi.h index 5598fc348c..7e396e31e0 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -627,18 +627,10 @@ static inline efi_status_t efi_query_variable_store(u32 attributes, #endif extern void __iomem *efi_lookup_mapped_addr(u64 phys_addr); -extern int __init efi_memmap_alloc(unsigned int num_entries, - struct efi_memory_map_data *data); -extern void __efi_memmap_free(u64 phys, unsigned long size, - unsigned long flags); +extern int __init __efi_memmap_init(struct efi_memory_map_data *data); extern int __init efi_memmap_init_early(struct efi_memory_map_data *data); extern int __init efi_memmap_init_late(phys_addr_t addr, unsigned long size); extern void __init efi_memmap_unmap(void); -extern int __init efi_memmap_install(struct efi_memory_map_data *data); -extern int __init efi_memmap_split_count(efi_memory_desc_t *md, - struct range *range); -extern void __init efi_memmap_insert(struct efi_memory_map *old_memmap, - void *buf, struct efi_mem_range *mem); #ifdef CONFIG_EFI_ESRT extern void __init efi_esrt_init(void); diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index d445150c53..9b972b58e1 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -227,7 +227,7 @@ struct f2fs_extent { #define F2FS_INLINE_DATA 0x02 /* file inline data flag */ #define F2FS_INLINE_DENTRY 0x04 /* file inline dentry flag */ #define F2FS_DATA_EXIST 0x08 /* file inline data exist flag */ -#define F2FS_INLINE_DOTS 0x10 /* file having implicit dot dentries */ +#define F2FS_INLINE_DOTS 0x10 /* file having implicit dot dentries (obsolete) */ #define F2FS_EXTRA_ATTR 0x20 /* file having extra attribute */ #define F2FS_PIN_FILE 0x40 /* file should not be gced */ #define F2FS_COMPRESS_RELEASED 0x80 /* file released compressed blocks */ diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h index d0e7817487..9f4cc94809 100644 --- a/include/linux/fdtable.h +++ b/include/linux/fdtable.h @@ -22,7 +22,6 @@ * as this is the granularity returned by copy_fdset(). */ #define NR_OPEN_DEFAULT BITS_PER_LONG -#define NR_OPEN_MAX ~0U struct fdtable { unsigned int max_fds; @@ -117,7 +116,10 @@ struct task_struct; void put_files_struct(struct files_struct *fs); int unshare_files(void); -struct files_struct *dup_fd(struct files_struct *, unsigned, int *) __latent_entropy; +struct fd_range { + unsigned int from, to; +}; +struct files_struct *dup_fd(struct files_struct *, struct fd_range *) __latent_entropy; void do_close_on_exec(struct files_struct *); int iterate_fd(struct files_struct *, unsigned, int (*)(const void *, struct file *, unsigned), @@ -126,8 +128,6 @@ int iterate_fd(struct files_struct *, unsigned, extern int close_fd(unsigned int fd); extern int __close_range(unsigned int fd, unsigned int max_fd, unsigned int flags); extern int close_fd_get_file(unsigned int fd, struct file **res); -extern int unshare_fd(unsigned long unshare_flags, unsigned int max_fds, - struct files_struct **new_fdp); extern struct kmem_cache *files_cachep; diff --git a/include/linux/filter.h b/include/linux/filter.h index af0103bebb..9cb3558683 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -875,14 +875,15 @@ bpf_ctx_narrow_access_offset(u32 off, u32 size, u32 size_default) #define bpf_classic_proglen(fprog) (fprog->len * sizeof(fprog->filter[0])) -static inline void bpf_prog_lock_ro(struct bpf_prog *fp) +static inline int __must_check bpf_prog_lock_ro(struct bpf_prog *fp) { #ifndef CONFIG_BPF_JIT_ALWAYS_ON if (!fp->jited) { set_vm_flush_reset_perms(fp); - set_memory_ro((unsigned long)fp, fp->pages); + return set_memory_ro((unsigned long)fp, fp->pages); } #endif + return 0; } static inline void bpf_jit_binary_lock_ro(struct bpf_binary_header *hdr) diff --git a/include/linux/fs.h b/include/linux/fs.h index 61e86502fe..2ef0e48c89 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1476,6 +1476,8 @@ extern int send_sigurg(struct fown_struct *fown); #define SB_I_UNTRUSTED_MOUNTER 0x00000040 #define SB_I_SKIP_SYNC 0x00000100 /* Skip superblock at global sync */ +#define SB_I_PERSB_BDI 0x00000200 /* has a per-sb bdi */ +#define SB_I_TS_EXPIRY_WARNED 0x00000400 /* warned about timestamp range expiry */ /* Possible states of 'frozen' field */ enum { @@ -2429,6 +2431,9 @@ static inline void kiocb_clone(struct kiocb *kiocb, struct kiocb *kiocb_src, * Used to detect that mark_inode_dirty() should not move * inode between dirty lists. * + * I_LRU_ISOLATING Inode is pinned being isolated from LRU without holding + * i_count. + * * Q: What is the difference between I_WILL_FREE and I_FREEING? */ #define I_DIRTY_SYNC (1 << 0) @@ -2451,6 +2456,8 @@ static inline void kiocb_clone(struct kiocb *kiocb, struct kiocb *kiocb_src, #define I_CREATING (1 << 15) #define I_DONTCACHE (1 << 16) #define I_SYNC_QUEUED (1 << 17) +#define __I_LRU_ISOLATING 19 +#define I_LRU_ISOLATING (1 << __I_LRU_ISOLATING) #define I_DIRTY_INODE (I_DIRTY_SYNC | I_DIRTY_DATASYNC) #define I_DIRTY (I_DIRTY_INODE | I_DIRTY_PAGES) @@ -3051,6 +3058,42 @@ static inline void file_end_write(struct file *file) __sb_end_write(file_inode(file)->i_sb, SB_FREEZE_WRITE); } +/** + * kiocb_start_write - get write access to a superblock for async file io + * @iocb: the io context we want to submit the write with + * + * This is a variant of sb_start_write() for async io submission. + * Should be matched with a call to kiocb_end_write(). + */ +static inline void kiocb_start_write(struct kiocb *iocb) +{ + struct inode *inode = file_inode(iocb->ki_filp); + + sb_start_write(inode->i_sb); + /* + * Fool lockdep by telling it the lock got released so that it + * doesn't complain about the held lock when we return to userspace. + */ + __sb_writers_release(inode->i_sb, SB_FREEZE_WRITE); +} + +/** + * kiocb_end_write - drop write access to a superblock after async file io + * @iocb: the io context we sumbitted the write with + * + * Should be matched with a call to kiocb_start_write(). + */ +static inline void kiocb_end_write(struct kiocb *iocb) +{ + struct inode *inode = file_inode(iocb->ki_filp); + + /* + * Tell lockdep we inherited freeze protection from submission thread. + */ + __sb_writers_acquired(inode->i_sb, SB_FREEZE_WRITE); + sb_end_write(inode->i_sb); +} + /* * This is used for regular files where some users -- especially the * currently executed binary in a process, previously handled via diff --git a/include/linux/fsl/enetc_mdio.h b/include/linux/fsl/enetc_mdio.h index 2d92033148..b90c4dc50b 100644 --- a/include/linux/fsl/enetc_mdio.h +++ b/include/linux/fsl/enetc_mdio.h @@ -48,7 +48,8 @@ static inline int enetc_mdio_read(struct mii_bus *bus, int phy_id, int regnum) static inline int enetc_mdio_write(struct mii_bus *bus, int phy_id, int regnum, u16 value) { return -EINVAL; } -struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs) +static inline struct enetc_hw *enetc_hw_alloc(struct device *dev, + void __iomem *port_regs) { return ERR_PTR(-EINVAL); } #endif diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h index bb8467cd11..34f242105b 100644 --- a/include/linux/fsnotify.h +++ b/include/linux/fsnotify.h @@ -93,7 +93,13 @@ static inline int fsnotify_file(struct file *file, __u32 mask) { const struct path *path = &file->f_path; - if (file->f_mode & FMODE_NONOTIFY) + /* + * FMODE_NONOTIFY are fds generated by fanotify itself which should not + * generate new events. We also don't want to generate events for + * FMODE_PATH fds (involves open & close events) as they are just + * handle creation / destruction events and not "real" file events. + */ + if (file->f_mode & (FMODE_NONOTIFY | FMODE_PATH)) return 0; return fsnotify_parent(path->dentry, mask, path, FSNOTIFY_EVENT_PATH); diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index d7d96c806b..096b79e437 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -563,12 +563,14 @@ static inline __u32 fsnotify_parent_needed_mask(__u32 mask) static inline int fsnotify_inode_watches_children(struct inode *inode) { + __u32 parent_mask = READ_ONCE(inode->i_fsnotify_mask); + /* FS_EVENT_ON_CHILD is set if the inode may care */ - if (!(inode->i_fsnotify_mask & FS_EVENT_ON_CHILD)) + if (!(parent_mask & FS_EVENT_ON_CHILD)) return 0; /* this inode might care about child events, does it care about the * specific set of events that can happen on a child? */ - return inode->i_fsnotify_mask & FS_EVENTS_POSS_ON_CHILD; + return parent_mask & FS_EVENTS_POSS_ON_CHILD; } /* @@ -582,7 +584,7 @@ static inline void fsnotify_update_flags(struct dentry *dentry) /* * Serialisation of setting PARENT_WATCHED on the dentries is provided * by d_lock. If inotify_inode_watched changes after we have taken - * d_lock, the following __fsnotify_update_child_dentry_flags call will + * d_lock, the following fsnotify_set_children_dentry_flags call will * find our entry, so it will spin until we complete here, and update * us with the new state. */ diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 690b7f7996..3f49a3a30e 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -144,9 +144,6 @@ struct gendisk { struct timer_rand_state *random; atomic_t sync_io; /* RAID */ struct disk_events *ev; -#ifdef CONFIG_BLK_DEV_INTEGRITY - struct kobject integrity_kobj; -#endif /* CONFIG_BLK_DEV_INTEGRITY */ #if IS_ENABLED(CONFIG_CDROM) struct cdrom_device_info *cdi; #endif diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 4ede8df581..f96f10957a 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -600,6 +600,7 @@ HPAGEFLAG(VmemmapOptimized, vmemmap_optimized) /* Defines one hugetlb page size */ struct hstate { struct mutex resize_lock; + struct lock_class_key resize_key; int next_nid_to_alloc; int next_nid_to_free; unsigned int order; diff --git a/include/linux/hwspinlock.h b/include/linux/hwspinlock.h index bfe7c1f1ac..f0231dbc47 100644 --- a/include/linux/hwspinlock.h +++ b/include/linux/hwspinlock.h @@ -68,6 +68,7 @@ int __hwspin_lock_timeout(struct hwspinlock *, unsigned int, int, int __hwspin_trylock(struct hwspinlock *, int, unsigned long *); void __hwspin_unlock(struct hwspinlock *, int, unsigned long *); int of_hwspin_lock_get_id_byname(struct device_node *np, const char *name); +int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id); int devm_hwspin_lock_free(struct device *dev, struct hwspinlock *hwlock); struct hwspinlock *devm_hwspin_lock_request(struct device *dev); struct hwspinlock *devm_hwspin_lock_request_specific(struct device *dev, @@ -127,6 +128,11 @@ void __hwspin_unlock(struct hwspinlock *hwlock, int mode, unsigned long *flags) { } +static inline int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id) +{ + return 0; +} + static inline int of_hwspin_lock_get_id(struct device_node *np, int index) { return 0; diff --git a/include/linux/i2c-smbus.h b/include/linux/i2c-smbus.h index 1ef421818d..95cf902e0b 100644 --- a/include/linux/i2c-smbus.h +++ b/include/linux/i2c-smbus.h @@ -30,10 +30,10 @@ struct i2c_client *i2c_new_smbus_alert_device(struct i2c_adapter *adapter, struct i2c_smbus_alert_setup *setup); int i2c_handle_smbus_alert(struct i2c_client *ara); -#if IS_ENABLED(CONFIG_I2C_SMBUS) && IS_ENABLED(CONFIG_OF) -int of_i2c_setup_smbus_alert(struct i2c_adapter *adap); +#if IS_ENABLED(CONFIG_I2C_SMBUS) +int i2c_setup_smbus_alert(struct i2c_adapter *adap); #else -static inline int of_i2c_setup_smbus_alert(struct i2c_adapter *adap) +static inline int i2c_setup_smbus_alert(struct i2c_adapter *adap) { return 0; } diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 2ce3efbe91..996886f187 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -349,6 +349,8 @@ struct i2c_adapter *i2c_verify_adapter(struct device *dev); const struct i2c_device_id *i2c_match_id(const struct i2c_device_id *id, const struct i2c_client *client); +const void *i2c_get_match_data(const struct i2c_client *client); + static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj) { struct device * const dev = kobj_to_dev(kobj); @@ -738,6 +740,11 @@ struct i2c_adapter { struct irq_domain *host_notify_domain; struct regulator *bus_regulator; + + struct dentry *debugfs; + + /* 7bit address space */ + DECLARE_BITMAP(addrs_in_instantiation, 1 << 7); }; #define to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev) @@ -954,15 +961,33 @@ int i2c_handle_smbus_host_notify(struct i2c_adapter *adap, unsigned short addr); #endif /* I2C */ +/* must call put_device() when done with returned i2c_client device */ +struct i2c_client *i2c_find_device_by_fwnode(struct fwnode_handle *fwnode); + +/* must call put_device() when done with returned i2c_adapter device */ +struct i2c_adapter *i2c_find_adapter_by_fwnode(struct fwnode_handle *fwnode); + +/* must call i2c_put_adapter() when done with returned i2c_adapter device */ +struct i2c_adapter *i2c_get_adapter_by_fwnode(struct fwnode_handle *fwnode); + #if IS_ENABLED(CONFIG_OF) /* must call put_device() when done with returned i2c_client device */ -struct i2c_client *of_find_i2c_device_by_node(struct device_node *node); +static inline struct i2c_client *of_find_i2c_device_by_node(struct device_node *node) +{ + return i2c_find_device_by_fwnode(of_fwnode_handle(node)); +} /* must call put_device() when done with returned i2c_adapter device */ -struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node); +static inline struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node) +{ + return i2c_find_adapter_by_fwnode(of_fwnode_handle(node)); +} /* must call i2c_put_adapter() when done with returned i2c_adapter device */ -struct i2c_adapter *of_get_i2c_adapter_by_node(struct device_node *node); +static inline struct i2c_adapter *of_get_i2c_adapter_by_node(struct device_node *node) +{ + return i2c_get_adapter_by_fwnode(of_fwnode_handle(node)); +} const struct of_device_id *i2c_of_match_device(const struct of_device_id *matches, @@ -1007,7 +1032,7 @@ static inline int of_i2c_get_board_info(struct device *dev, struct acpi_resource; struct acpi_resource_i2c_serialbus; -#if IS_ENABLED(CONFIG_ACPI) +#if IS_REACHABLE(CONFIG_ACPI) && IS_REACHABLE(CONFIG_I2C) bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares, struct acpi_resource_i2c_serialbus **i2c); int i2c_acpi_client_count(struct acpi_device *adev); diff --git a/include/linux/iommu.h b/include/linux/iommu.h index d2f3435e7d..2202a665b0 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -1038,7 +1038,7 @@ iommu_aux_get_pasid(struct iommu_domain *domain, struct device *dev) static inline struct iommu_sva * iommu_sva_bind_device(struct device *dev, struct mm_struct *mm, void *drvdata) { - return NULL; + return ERR_PTR(-ENODEV); } static inline void iommu_sva_unbind_device(struct iommu_sva *handle) diff --git a/include/linux/irq.h b/include/linux/irq.h index f9e6449fbb..4fd8d900a1 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -709,10 +709,11 @@ extern struct irq_chip no_irq_chip; extern struct irq_chip dummy_irq_chip; extern void -irq_set_chip_and_handler_name(unsigned int irq, struct irq_chip *chip, +irq_set_chip_and_handler_name(unsigned int irq, const struct irq_chip *chip, irq_flow_handler_t handle, const char *name); -static inline void irq_set_chip_and_handler(unsigned int irq, struct irq_chip *chip, +static inline void irq_set_chip_and_handler(unsigned int irq, + const struct irq_chip *chip, irq_flow_handler_t handle) { irq_set_chip_and_handler_name(irq, chip, handle, NULL); @@ -802,7 +803,7 @@ static inline void irq_set_percpu_devid_flags(unsigned int irq) } /* Set/get chip/data for an IRQ: */ -extern int irq_set_chip(unsigned int irq, struct irq_chip *chip); +extern int irq_set_chip(unsigned int irq, const struct irq_chip *chip); extern int irq_set_handler_data(unsigned int irq, void *data); extern int irq_set_chip_data(unsigned int irq, void *data); extern int irq_set_irq_type(unsigned int irq, unsigned int type); diff --git a/include/linux/irqchip/arm-gic-v4.h b/include/linux/irqchip/arm-gic-v4.h index 2c63375bbd..bf9e064028 100644 --- a/include/linux/irqchip/arm-gic-v4.h +++ b/include/linux/irqchip/arm-gic-v4.h @@ -58,10 +58,12 @@ struct its_vpe { bool enabled; bool group; } sgi_config[16]; - atomic_t vmapp_count; }; }; + /* Track the VPE being mapped */ + atomic_t vmapp_count; + /* * Ensures mutual exclusion between affinity setting of the * vPE and vLPI operations using vpe->col_idx. diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 9ee238ad29..a7c80bd4b4 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -147,6 +147,8 @@ struct irq_domain_chip_generic; * @gc: Pointer to a list of generic chips. There is a helper function for * setting up one or more generic chips for interrupt controllers * drivers using the generic chip library which uses this pointer. + * @dev: Pointer to a device that the domain represent, and that will be + * used for power management purposes. * @parent: Pointer to parent irq_domain to support hierarchy irq_domains * * Revmap data, used internally by irq_domain @@ -167,6 +169,7 @@ struct irq_domain { struct fwnode_handle *fwnode; enum irq_domain_bus_token bus_token; struct irq_domain_chip_generic *gc; + struct device *dev; #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY struct irq_domain *parent; #endif @@ -222,6 +225,13 @@ static inline struct device_node *irq_domain_get_of_node(struct irq_domain *d) return to_of_node(d->fwnode); } +static inline void irq_domain_set_pm_device(struct irq_domain *d, + struct device *dev) +{ + if (d) + d->dev = dev; +} + #ifdef CONFIG_IRQ_DOMAIN struct fwnode_handle *__irq_domain_alloc_fwnode(unsigned int type, int id, const char *name, phys_addr_t *pa); diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index d19f527ade..5377df8c85 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -1669,11 +1669,6 @@ int jbd2_wait_inode_data(journal_t *journal, struct jbd2_inode *jinode); int jbd2_fc_wait_bufs(journal_t *journal, int num_blks); int jbd2_fc_release_bufs(journal_t *journal); -static inline int jbd2_journal_get_max_txn_bufs(journal_t *journal) -{ - return (journal->j_total_len - journal->j_fc_wbufsize) / 4; -} - /* * is_journal_abort * diff --git a/include/linux/kcov.h b/include/linux/kcov.h index 55dc338f6b..492af783eb 100644 --- a/include/linux/kcov.h +++ b/include/linux/kcov.h @@ -21,6 +21,8 @@ enum kcov_mode { KCOV_MODE_TRACE_PC = 2, /* Collecting comparison operands mode. */ KCOV_MODE_TRACE_CMP = 3, + /* The process owns a KCOV remote reference. */ + KCOV_MODE_REMOTE = 4, }; #define KCOV_IN_CTXSW (1 << 30) diff --git a/include/linux/leds.h b/include/linux/leds.h index a0b730be40..79ab2dfd3c 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -356,11 +356,14 @@ struct led_trigger { int (*activate)(struct led_classdev *led_cdev); void (*deactivate)(struct led_classdev *led_cdev); + /* Brightness set by led_trigger_event */ + enum led_brightness brightness; + /* LED-private triggers have this set */ struct led_hw_trigger_type *trigger_type; /* LEDs under control by this trigger (for simple triggers) */ - rwlock_t leddev_list_lock; + spinlock_t leddev_list_lock; struct list_head led_cdevs; /* Link to next registered trigger */ @@ -409,22 +412,11 @@ static inline void *led_get_trigger_data(struct led_classdev *led_cdev) return led_cdev->trigger_data; } -/** - * led_trigger_rename_static - rename a trigger - * @name: the new trigger name - * @trig: the LED trigger to rename - * - * Change a LED trigger name by copying the string passed in - * name into current trigger name, which MUST be large - * enough for the new string. - * - * Note that name must NOT point to the same string used - * during LED registration, as that could lead to races. - * - * This is meant to be used on triggers with statically - * allocated name. - */ -void led_trigger_rename_static(const char *name, struct led_trigger *trig); +static inline enum led_brightness +led_trigger_get_brightness(const struct led_trigger *trigger) +{ + return trigger ? trigger->brightness : LED_OFF; +} #define module_led_trigger(__led_trigger) \ module_driver(__led_trigger, led_trigger_register, \ @@ -462,6 +454,12 @@ static inline void *led_get_trigger_data(struct led_classdev *led_cdev) return NULL; } +static inline enum led_brightness +led_trigger_get_brightness(const struct led_trigger *trigger) +{ + return LED_OFF; +} + #endif /* CONFIG_LEDS_TRIGGERS */ /* Trigger specific functions */ diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h index af2fa1134b..2ef89b8727 100644 --- a/include/linux/lsm_hook_defs.h +++ b/include/linux/lsm_hook_defs.h @@ -379,7 +379,7 @@ LSM_HOOK(int, 0, key_getsecurity, struct key *key, char **_buffer) #ifdef CONFIG_AUDIT LSM_HOOK(int, 0, audit_rule_init, u32 field, u32 op, char *rulestr, - void **lsmrule) + void **lsmrule, gfp_t gfp) LSM_HOOK(int, 0, audit_rule_known, struct audit_krule *krule) LSM_HOOK(int, 0, audit_rule_match, u32 secid, u32 field, u32 op, void *lsmrule) LSM_HOOK(void, LSM_RET_VOID, audit_rule_free, void *lsmrule) diff --git a/include/linux/mdio.h b/include/linux/mdio.h index 5e6dc38f41..3a6ff4e728 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -7,6 +7,7 @@ #define __LINUX_MDIO_H__ #include +#include #include /* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit @@ -14,6 +15,7 @@ */ #define MII_ADDR_C45 (1<<30) #define MII_DEVADDR_C45_SHIFT 16 +#define MII_DEVADDR_C45_MASK GENMASK(20, 16) #define MII_REGADDR_C45_MASK GENMASK(15, 0) struct gpio_desc; @@ -355,6 +357,16 @@ static inline u32 mdiobus_c45_addr(int devad, u16 regnum) return MII_ADDR_C45 | devad << MII_DEVADDR_C45_SHIFT | regnum; } +static inline u16 mdiobus_c45_regad(u32 regnum) +{ + return FIELD_GET(MII_REGADDR_C45_MASK, regnum); +} + +static inline u16 mdiobus_c45_devad(u32 regnum) +{ + return FIELD_GET(MII_DEVADDR_C45_MASK, regnum); +} + static inline int __mdiobus_c45_read(struct mii_bus *bus, int prtad, int devad, u16 regnum) { diff --git a/include/linux/minmax.h b/include/linux/minmax.h index 1aea34b8f1..dd52969698 100644 --- a/include/linux/minmax.h +++ b/include/linux/minmax.h @@ -2,54 +2,93 @@ #ifndef _LINUX_MINMAX_H #define _LINUX_MINMAX_H +#include +#include #include /* * min()/max()/clamp() macros must accomplish three things: * - * - avoid multiple evaluations of the arguments (so side-effects like + * - Avoid multiple evaluations of the arguments (so side-effects like * "x++" happen only once) when non-constant. - * - perform strict type-checking (to generate warnings instead of - * nasty runtime surprises). See the "unnecessary" pointer comparison - * in __typecheck(). - * - retain result as a constant expressions when called with only + * - Retain result as a constant expressions when called with only * constant expressions (to avoid tripping VLA warnings in stack * allocation usage). + * - Perform signed v unsigned type-checking (to generate compile + * errors instead of nasty runtime surprises). + * - Unsigned char/short are always promoted to signed int and can be + * compared against signed or unsigned arguments. + * - Unsigned arguments can be compared against non-negative signed constants. + * - Comparison of a signed argument against an unsigned constant fails + * even if the constant is below __INT_MAX__ and could be cast to int. */ #define __typecheck(x, y) \ (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) -#define __no_side_effects(x, y) \ - (__is_constexpr(x) && __is_constexpr(y)) +/* is_signed_type() isn't a constexpr for pointer types */ +#define __is_signed(x) \ + __builtin_choose_expr(__is_constexpr(is_signed_type(typeof(x))), \ + is_signed_type(typeof(x)), 0) -#define __safe_cmp(x, y) \ - (__typecheck(x, y) && __no_side_effects(x, y)) +/* True for a non-negative signed int constant */ +#define __is_noneg_int(x) \ + (__builtin_choose_expr(__is_constexpr(x) && __is_signed(x), x, -1) >= 0) -#define __cmp(x, y, op) ((x) op (y) ? (x) : (y)) +#define __types_ok(x, y) \ + (__is_signed(x) == __is_signed(y) || \ + __is_signed((x) + 0) == __is_signed((y) + 0) || \ + __is_noneg_int(x) || __is_noneg_int(y)) -#define __cmp_once(x, y, unique_x, unique_y, op) ({ \ +#define __cmp_op_min < +#define __cmp_op_max > + +#define __cmp(op, x, y) ((x) __cmp_op_##op (y) ? (x) : (y)) + +#define __cmp_once(op, x, y, unique_x, unique_y) ({ \ typeof(x) unique_x = (x); \ typeof(y) unique_y = (y); \ - __cmp(unique_x, unique_y, op); }) - -#define __careful_cmp(x, y, op) \ - __builtin_choose_expr(__safe_cmp(x, y), \ - __cmp(x, y, op), \ - __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) + static_assert(__types_ok(x, y), \ + #op "(" #x ", " #y ") signedness error, fix types or consider u" #op "() before " #op "_t()"); \ + __cmp(op, unique_x, unique_y); }) + +#define __careful_cmp(op, x, y) \ + __builtin_choose_expr(__is_constexpr((x) - (y)), \ + __cmp(op, x, y), \ + __cmp_once(op, x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y))) + +#define __clamp(val, lo, hi) \ + ((val) >= (hi) ? (hi) : ((val) <= (lo) ? (lo) : (val))) + +#define __clamp_once(val, lo, hi, unique_val, unique_lo, unique_hi) ({ \ + typeof(val) unique_val = (val); \ + typeof(lo) unique_lo = (lo); \ + typeof(hi) unique_hi = (hi); \ + static_assert(__builtin_choose_expr(__is_constexpr((lo) > (hi)), \ + (lo) <= (hi), true), \ + "clamp() low limit " #lo " greater than high limit " #hi); \ + static_assert(__types_ok(val, lo), "clamp() 'lo' signedness error"); \ + static_assert(__types_ok(val, hi), "clamp() 'hi' signedness error"); \ + __clamp(unique_val, unique_lo, unique_hi); }) + +#define __careful_clamp(val, lo, hi) ({ \ + __builtin_choose_expr(__is_constexpr((val) - (lo) + (hi)), \ + __clamp(val, lo, hi), \ + __clamp_once(val, lo, hi, __UNIQUE_ID(__val), \ + __UNIQUE_ID(__lo), __UNIQUE_ID(__hi))); }) /** * min - return minimum of two values of the same or compatible types * @x: first value * @y: second value */ -#define min(x, y) __careful_cmp(x, y, <) +#define min(x, y) __careful_cmp(min, x, y) /** * max - return maximum of two values of the same or compatible types * @x: first value * @y: second value */ -#define max(x, y) __careful_cmp(x, y, >) +#define max(x, y) __careful_cmp(max, x, y) /** * umin - return minimum of two non-negative values @@ -58,7 +97,7 @@ * @y: second value */ #define umin(x, y) \ - __careful_cmp((x) + 0u + 0ul + 0ull, (y) + 0u + 0ul + 0ull, <) + __careful_cmp(min, (x) + 0u + 0ul + 0ull, (y) + 0u + 0ul + 0ull) /** * umax - return maximum of two non-negative values @@ -66,7 +105,7 @@ * @y: second value */ #define umax(x, y) \ - __careful_cmp((x) + 0u + 0ul + 0ull, (y) + 0u + 0ul + 0ull, >) + __careful_cmp(max, (x) + 0u + 0ul + 0ull, (y) + 0u + 0ul + 0ull) /** * min3 - return minimum of three values @@ -103,7 +142,7 @@ * This macro does strict typechecking of @lo/@hi to make sure they are of the * same type as @val. See the unnecessary pointer comparisons. */ -#define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi) +#define clamp(val, lo, hi) __careful_clamp(val, lo, hi) /* * ..and if you can't take the strict @@ -118,7 +157,7 @@ * @x: first value * @y: second value */ -#define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <) +#define min_t(type, x, y) __careful_cmp(min, (type)(x), (type)(y)) /** * max_t - return maximum of two values, using the specified type @@ -126,7 +165,7 @@ * @x: first value * @y: second value */ -#define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >) +#define max_t(type, x, y) __careful_cmp(max, (type)(x), (type)(y)) /** * clamp_t - return a value clamped to a given range using a given type @@ -138,7 +177,7 @@ * This macro does no typechecking and uses temporary variables of type * @type to make all the comparisons. */ -#define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi) +#define clamp_t(type, val, lo, hi) __careful_clamp((type)(val), (type)(lo), (type)(hi)) /** * clamp_val - return a value clamped to a given range using val's type diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 3e72133545..1bb4945885 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -454,6 +454,7 @@ enum { MLX5_OPCODE_UMR = 0x25, + MLX5_OPCODE_ACCESS_ASO = 0x2d, }; enum { diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h index 0106c67e8c..0e43f0fb6d 100644 --- a/include/linux/mlx5/fs.h +++ b/include/linux/mlx5/fs.h @@ -97,6 +97,7 @@ enum { struct mlx5_pkt_reformat; struct mlx5_modify_hdr; +struct mlx5_flow_definer; struct mlx5_flow_table; struct mlx5_flow_group; struct mlx5_flow_namespace; @@ -257,6 +258,13 @@ struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev, void *modify_actions); void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev, struct mlx5_modify_hdr *modify_hdr); +struct mlx5_flow_definer * +mlx5_create_match_definer(struct mlx5_core_dev *dev, + enum mlx5_flow_namespace_type ns_type, u16 format_id, + u32 *match_mask); +void mlx5_destroy_match_definer(struct mlx5_core_dev *dev, + struct mlx5_flow_definer *definer); +int mlx5_get_match_definer_id(struct mlx5_flow_definer *definer); struct mlx5_pkt_reformat_params { int type; diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index b89992e8a3..d974c235ad 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -94,6 +94,7 @@ enum { enum { MLX5_OBJ_TYPE_GENEVE_TLV_OPT = 0x000b, MLX5_OBJ_TYPE_VIRTIO_NET_Q = 0x000d, + MLX5_OBJ_TYPE_MATCH_DEFINER = 0x0018, MLX5_OBJ_TYPE_MKEY = 0xff01, MLX5_OBJ_TYPE_QP = 0xff02, MLX5_OBJ_TYPE_PSV = 0xff03, @@ -433,7 +434,9 @@ struct mlx5_ifc_flow_table_prop_layout_bits { u8 max_modify_header_actions[0x8]; u8 max_ft_level[0x8]; - u8 reserved_at_40[0x20]; + u8 reserved_at_40[0x6]; + u8 execute_aso[0x1]; + u8 reserved_at_47[0x19]; u8 reserved_at_60[0x2]; u8 reformat_insert[0x1]; @@ -888,7 +891,18 @@ struct mlx5_ifc_qos_cap_bits { u8 max_tsar_bw_share[0x20]; - u8 reserved_at_100[0x700]; + u8 nic_element_type[0x10]; + u8 nic_tsar_type[0x10]; + + u8 reserved_at_120[0x3]; + u8 log_meter_aso_granularity[0x5]; + u8 reserved_at_128[0x3]; + u8 log_meter_aso_max_alloc[0x5]; + u8 reserved_at_130[0x3]; + u8 log_max_num_meter_aso[0x5]; + u8 reserved_at_138[0x8]; + + u8 reserved_at_140[0x6c0]; }; struct mlx5_ifc_debug_cap_bits { @@ -1719,7 +1733,7 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 flex_parser_id_outer_first_mpls_over_gre[0x4]; u8 flex_parser_id_outer_first_mpls_over_udp_label[0x4]; - u8 reserved_at_6e0[0x10]; + u8 max_num_match_definer[0x10]; u8 sf_base_id[0x10]; u8 flex_parser_id_gtpu_dw_2[0x4]; @@ -1734,7 +1748,7 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_760[0x20]; u8 vhca_tunnel_commands[0x40]; - u8 reserved_at_7c0[0x40]; + u8 match_definer_format_supported[0x40]; }; struct mlx5_ifc_cmd_hca_cap_2_bits { @@ -3155,6 +3169,7 @@ enum { MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2 = 0x800, MLX5_FLOW_CONTEXT_ACTION_IPSEC_DECRYPT = 0x1000, MLX5_FLOW_CONTEXT_ACTION_IPSEC_ENCRYPT = 0x2000, + MLX5_FLOW_CONTEXT_ACTION_EXECUTE_ASO = 0x4000, }; enum { @@ -3170,6 +3185,38 @@ struct mlx5_ifc_vlan_bits { u8 vid[0xc]; }; +enum { + MLX5_FLOW_METER_COLOR_RED = 0x0, + MLX5_FLOW_METER_COLOR_YELLOW = 0x1, + MLX5_FLOW_METER_COLOR_GREEN = 0x2, + MLX5_FLOW_METER_COLOR_UNDEFINED = 0x3, +}; + +enum { + MLX5_EXE_ASO_FLOW_METER = 0x2, +}; + +struct mlx5_ifc_exe_aso_ctrl_flow_meter_bits { + u8 return_reg_id[0x4]; + u8 aso_type[0x4]; + u8 reserved_at_8[0x14]; + u8 action[0x1]; + u8 init_color[0x2]; + u8 meter_id[0x1]; +}; + +union mlx5_ifc_exe_aso_ctrl { + struct mlx5_ifc_exe_aso_ctrl_flow_meter_bits exe_aso_ctrl_flow_meter; +}; + +struct mlx5_ifc_execute_aso_bits { + u8 valid[0x1]; + u8 reserved_at_1[0x7]; + u8 aso_object_id[0x18]; + + union mlx5_ifc_exe_aso_ctrl exe_aso_ctrl; +}; + struct mlx5_ifc_flow_context_bits { struct mlx5_ifc_vlan_bits push_vlan; @@ -3201,7 +3248,9 @@ struct mlx5_ifc_flow_context_bits { struct mlx5_ifc_fte_match_param_bits match_value; - u8 reserved_at_1200[0x600]; + struct mlx5_ifc_execute_aso_bits execute_aso[4]; + + u8 reserved_at_1300[0x500]; union mlx5_ifc_dest_format_struct_flow_counter_list_auto_bits destination[]; }; @@ -3473,6 +3522,7 @@ enum { ELEMENT_TYPE_CAP_MASK_VPORT = 1 << 1, ELEMENT_TYPE_CAP_MASK_VPORT_TC = 1 << 2, ELEMENT_TYPE_CAP_MASK_PARA_VPORT_TC = 1 << 3, + ELEMENT_TYPE_CAP_MASK_QUEUE_GROUP = 1 << 4, }; struct mlx5_ifc_scheduling_context_bits { @@ -4139,6 +4189,12 @@ enum { TSAR_ELEMENT_TSAR_TYPE_ETS = 0x2, }; +enum { + TSAR_TYPE_CAP_MASK_DWRR = 1 << 0, + TSAR_TYPE_CAP_MASK_ROUND_ROBIN = 1 << 1, + TSAR_TYPE_CAP_MASK_ETS = 1 << 2, +}; + struct mlx5_ifc_tsar_element_bits { u8 reserved_at_0[0x8]; u8 tsar_type[0x8]; @@ -5618,6 +5674,238 @@ struct mlx5_ifc_query_fte_in_bits { u8 reserved_at_120[0xe0]; }; +struct mlx5_ifc_match_definer_format_0_bits { + u8 reserved_at_0[0x100]; + + u8 metadata_reg_c_0[0x20]; + + u8 metadata_reg_c_1[0x20]; + + u8 outer_dmac_47_16[0x20]; + + u8 outer_dmac_15_0[0x10]; + u8 outer_ethertype[0x10]; + + u8 reserved_at_180[0x1]; + u8 sx_sniffer[0x1]; + u8 functional_lb[0x1]; + u8 outer_ip_frag[0x1]; + u8 outer_qp_type[0x2]; + u8 outer_encap_type[0x2]; + u8 port_number[0x2]; + u8 outer_l3_type[0x2]; + u8 outer_l4_type[0x2]; + u8 outer_first_vlan_type[0x2]; + u8 outer_first_vlan_prio[0x3]; + u8 outer_first_vlan_cfi[0x1]; + u8 outer_first_vlan_vid[0xc]; + + u8 outer_l4_type_ext[0x4]; + u8 reserved_at_1a4[0x2]; + u8 outer_ipsec_layer[0x2]; + u8 outer_l2_type[0x2]; + u8 force_lb[0x1]; + u8 outer_l2_ok[0x1]; + u8 outer_l3_ok[0x1]; + u8 outer_l4_ok[0x1]; + u8 outer_second_vlan_type[0x2]; + u8 outer_second_vlan_prio[0x3]; + u8 outer_second_vlan_cfi[0x1]; + u8 outer_second_vlan_vid[0xc]; + + u8 outer_smac_47_16[0x20]; + + u8 outer_smac_15_0[0x10]; + u8 inner_ipv4_checksum_ok[0x1]; + u8 inner_l4_checksum_ok[0x1]; + u8 outer_ipv4_checksum_ok[0x1]; + u8 outer_l4_checksum_ok[0x1]; + u8 inner_l3_ok[0x1]; + u8 inner_l4_ok[0x1]; + u8 outer_l3_ok_duplicate[0x1]; + u8 outer_l4_ok_duplicate[0x1]; + u8 outer_tcp_cwr[0x1]; + u8 outer_tcp_ece[0x1]; + u8 outer_tcp_urg[0x1]; + u8 outer_tcp_ack[0x1]; + u8 outer_tcp_psh[0x1]; + u8 outer_tcp_rst[0x1]; + u8 outer_tcp_syn[0x1]; + u8 outer_tcp_fin[0x1]; +}; + +struct mlx5_ifc_match_definer_format_22_bits { + u8 reserved_at_0[0x100]; + + u8 outer_ip_src_addr[0x20]; + + u8 outer_ip_dest_addr[0x20]; + + u8 outer_l4_sport[0x10]; + u8 outer_l4_dport[0x10]; + + u8 reserved_at_160[0x1]; + u8 sx_sniffer[0x1]; + u8 functional_lb[0x1]; + u8 outer_ip_frag[0x1]; + u8 outer_qp_type[0x2]; + u8 outer_encap_type[0x2]; + u8 port_number[0x2]; + u8 outer_l3_type[0x2]; + u8 outer_l4_type[0x2]; + u8 outer_first_vlan_type[0x2]; + u8 outer_first_vlan_prio[0x3]; + u8 outer_first_vlan_cfi[0x1]; + u8 outer_first_vlan_vid[0xc]; + + u8 metadata_reg_c_0[0x20]; + + u8 outer_dmac_47_16[0x20]; + + u8 outer_smac_47_16[0x20]; + + u8 outer_smac_15_0[0x10]; + u8 outer_dmac_15_0[0x10]; +}; + +struct mlx5_ifc_match_definer_format_23_bits { + u8 reserved_at_0[0x100]; + + u8 inner_ip_src_addr[0x20]; + + u8 inner_ip_dest_addr[0x20]; + + u8 inner_l4_sport[0x10]; + u8 inner_l4_dport[0x10]; + + u8 reserved_at_160[0x1]; + u8 sx_sniffer[0x1]; + u8 functional_lb[0x1]; + u8 inner_ip_frag[0x1]; + u8 inner_qp_type[0x2]; + u8 inner_encap_type[0x2]; + u8 port_number[0x2]; + u8 inner_l3_type[0x2]; + u8 inner_l4_type[0x2]; + u8 inner_first_vlan_type[0x2]; + u8 inner_first_vlan_prio[0x3]; + u8 inner_first_vlan_cfi[0x1]; + u8 inner_first_vlan_vid[0xc]; + + u8 tunnel_header_0[0x20]; + + u8 inner_dmac_47_16[0x20]; + + u8 inner_smac_47_16[0x20]; + + u8 inner_smac_15_0[0x10]; + u8 inner_dmac_15_0[0x10]; +}; + +struct mlx5_ifc_match_definer_format_29_bits { + u8 reserved_at_0[0xc0]; + + u8 outer_ip_dest_addr[0x80]; + + u8 outer_ip_src_addr[0x80]; + + u8 outer_l4_sport[0x10]; + u8 outer_l4_dport[0x10]; + + u8 reserved_at_1e0[0x20]; +}; + +struct mlx5_ifc_match_definer_format_30_bits { + u8 reserved_at_0[0xa0]; + + u8 outer_ip_dest_addr[0x80]; + + u8 outer_ip_src_addr[0x80]; + + u8 outer_dmac_47_16[0x20]; + + u8 outer_smac_47_16[0x20]; + + u8 outer_smac_15_0[0x10]; + u8 outer_dmac_15_0[0x10]; +}; + +struct mlx5_ifc_match_definer_format_31_bits { + u8 reserved_at_0[0xc0]; + + u8 inner_ip_dest_addr[0x80]; + + u8 inner_ip_src_addr[0x80]; + + u8 inner_l4_sport[0x10]; + u8 inner_l4_dport[0x10]; + + u8 reserved_at_1e0[0x20]; +}; + +struct mlx5_ifc_match_definer_format_32_bits { + u8 reserved_at_0[0xa0]; + + u8 inner_ip_dest_addr[0x80]; + + u8 inner_ip_src_addr[0x80]; + + u8 inner_dmac_47_16[0x20]; + + u8 inner_smac_47_16[0x20]; + + u8 inner_smac_15_0[0x10]; + u8 inner_dmac_15_0[0x10]; +}; + +struct mlx5_ifc_match_definer_bits { + u8 modify_field_select[0x40]; + + u8 reserved_at_40[0x40]; + + u8 reserved_at_80[0x10]; + u8 format_id[0x10]; + + u8 reserved_at_a0[0x160]; + + u8 match_mask[16][0x20]; +}; + +struct mlx5_ifc_general_obj_in_cmd_hdr_bits { + u8 opcode[0x10]; + u8 uid[0x10]; + + u8 vhca_tunnel_id[0x10]; + u8 obj_type[0x10]; + + u8 obj_id[0x20]; + + u8 reserved_at_60[0x3]; + u8 log_obj_range[0x5]; + u8 reserved_at_68[0x18]; +}; + +struct mlx5_ifc_general_obj_out_cmd_hdr_bits { + u8 status[0x8]; + u8 reserved_at_8[0x18]; + + u8 syndrome[0x20]; + + u8 obj_id[0x20]; + + u8 reserved_at_60[0x20]; +}; + +struct mlx5_ifc_create_match_definer_in_bits { + struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr; + + struct mlx5_ifc_match_definer_bits obj_context; +}; + +struct mlx5_ifc_create_match_definer_out_bits { + struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr; +}; + enum { MLX5_QUERY_FLOW_GROUP_OUT_MATCH_CRITERIA_ENABLE_OUTER_HEADERS = 0x0, MLX5_QUERY_FLOW_GROUP_OUT_MATCH_CRITERIA_ENABLE_MISC_PARAMETERS = 0x1, @@ -8091,6 +8379,11 @@ struct mlx5_ifc_create_flow_group_out_bits { u8 reserved_at_60[0x20]; }; +enum { + MLX5_CREATE_FLOW_GROUP_IN_GROUP_TYPE_TCAM_SUBTABLE = 0x0, + MLX5_CREATE_FLOW_GROUP_IN_GROUP_TYPE_HASH_SPLIT = 0x1, +}; + enum { MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_OUTER_HEADERS = 0x0, MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_MISC_PARAMETERS = 0x1, @@ -8112,7 +8405,9 @@ struct mlx5_ifc_create_flow_group_in_bits { u8 reserved_at_60[0x20]; u8 table_type[0x8]; - u8 reserved_at_88[0x18]; + u8 reserved_at_88[0x4]; + u8 group_type[0x4]; + u8 reserved_at_90[0x10]; u8 reserved_at_a0[0x8]; u8 table_id[0x18]; @@ -8127,7 +8422,10 @@ struct mlx5_ifc_create_flow_group_in_bits { u8 end_flow_index[0x20]; - u8 reserved_at_140[0xa0]; + u8 reserved_at_140[0x10]; + u8 match_definer_id[0x10]; + + u8 reserved_at_160[0x80]; u8 reserved_at_1e0[0x18]; u8 match_criteria_enable[0x8]; @@ -10617,29 +10915,6 @@ struct mlx5_ifc_dealloc_memic_out_bits { u8 reserved_at_40[0x40]; }; -struct mlx5_ifc_general_obj_in_cmd_hdr_bits { - u8 opcode[0x10]; - u8 uid[0x10]; - - u8 vhca_tunnel_id[0x10]; - u8 obj_type[0x10]; - - u8 obj_id[0x20]; - - u8 reserved_at_60[0x20]; -}; - -struct mlx5_ifc_general_obj_out_cmd_hdr_bits { - u8 status[0x8]; - u8 reserved_at_8[0x18]; - - u8 syndrome[0x20]; - - u8 obj_id[0x20]; - - u8 reserved_at_60[0x20]; -}; - struct mlx5_ifc_umem_bits { u8 reserved_at_0[0x80]; @@ -10972,12 +11247,14 @@ enum { MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_ENCRYPTION_KEY = BIT_ULL(0xc), MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_IPSEC = BIT_ULL(0x13), MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_SAMPLER = BIT_ULL(0x20), + MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_FLOW_METER_ASO = BIT_ULL(0x24), }; enum { MLX5_GENERAL_OBJECT_TYPES_ENCRYPTION_KEY = 0xc, MLX5_GENERAL_OBJECT_TYPES_IPSEC = 0x13, MLX5_GENERAL_OBJECT_TYPES_SAMPLER = 0x20, + MLX5_GENERAL_OBJECT_TYPES_FLOW_METER_ASO = 0x24, }; enum { @@ -11052,6 +11329,61 @@ struct mlx5_ifc_create_encryption_key_in_bits { struct mlx5_ifc_encryption_key_obj_bits encryption_key_object; }; +enum { + MLX5_FLOW_METER_MODE_BYTES_IP_LENGTH = 0x0, + MLX5_FLOW_METER_MODE_BYTES_CALC_WITH_L2 = 0x1, + MLX5_FLOW_METER_MODE_BYTES_CALC_WITH_L2_IPG = 0x2, + MLX5_FLOW_METER_MODE_NUM_PACKETS = 0x3, +}; + +struct mlx5_ifc_flow_meter_parameters_bits { + u8 valid[0x1]; + u8 bucket_overflow[0x1]; + u8 start_color[0x2]; + u8 both_buckets_on_green[0x1]; + u8 reserved_at_5[0x1]; + u8 meter_mode[0x2]; + u8 reserved_at_8[0x18]; + + u8 reserved_at_20[0x20]; + + u8 reserved_at_40[0x3]; + u8 cbs_exponent[0x5]; + u8 cbs_mantissa[0x8]; + u8 reserved_at_50[0x3]; + u8 cir_exponent[0x5]; + u8 cir_mantissa[0x8]; + + u8 reserved_at_60[0x20]; + + u8 reserved_at_80[0x3]; + u8 ebs_exponent[0x5]; + u8 ebs_mantissa[0x8]; + u8 reserved_at_90[0x3]; + u8 eir_exponent[0x5]; + u8 eir_mantissa[0x8]; + + u8 reserved_at_a0[0x60]; +}; + +struct mlx5_ifc_flow_meter_aso_obj_bits { + u8 modify_field_select[0x40]; + + u8 reserved_at_40[0x40]; + + u8 reserved_at_80[0x8]; + u8 meter_aso_access_pd[0x18]; + + u8 reserved_at_a0[0x160]; + + struct mlx5_ifc_flow_meter_parameters_bits flow_meter_parameters[2]; +}; + +struct mlx5_ifc_create_flow_meter_aso_obj_in_bits { + struct mlx5_ifc_general_obj_in_cmd_hdr_bits hdr; + struct mlx5_ifc_flow_meter_aso_obj_bits flow_meter_aso_obj; +}; + struct mlx5_ifc_sampler_obj_bits { u8 modify_field_select[0x40]; diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 8b8349ffa1..998f10249f 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -1457,8 +1457,9 @@ static inline int subsection_map_index(unsigned long pfn) static inline int pfn_section_valid(struct mem_section *ms, unsigned long pfn) { int idx = subsection_map_index(pfn); + struct mem_section_usage *usage = READ_ONCE(ms->usage); - return test_bit(idx, READ_ONCE(ms->usage)->subsection_map); + return usage ? test_bit(idx, usage->subsection_map) : 0; } #else static inline int pfn_section_valid(struct mem_section *ms, unsigned long pfn) diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index ae2e75d15b..63f804574c 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -676,6 +676,8 @@ struct x86_cpu_id { __u16 model; __u16 steppings; __u16 feature; /* bit index */ + /* Solely for kernel-internal use: DO NOT EXPORT to userspace! */ + __u16 flags; kernel_ulong_t driver_data; }; diff --git a/include/linux/mutex.h b/include/linux/mutex.h index 8f226d460f..9ef01b9d24 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -20,6 +20,8 @@ #include #include +struct device; + #ifdef CONFIG_DEBUG_LOCK_ALLOC # define __DEP_MAP_MUTEX_INITIALIZER(lockname) \ , .dep_map = { \ @@ -170,6 +172,31 @@ do { \ } while (0) #endif /* CONFIG_PREEMPT_RT */ +#ifdef CONFIG_DEBUG_MUTEXES + +int __devm_mutex_init(struct device *dev, struct mutex *lock); + +#else + +static inline int __devm_mutex_init(struct device *dev, struct mutex *lock) +{ + /* + * When CONFIG_DEBUG_MUTEXES is off mutex_destroy() is just a nop so + * no really need to register it in the devm subsystem. + */ + return 0; +} + +#endif + +#define devm_mutex_init(dev, mutex) \ +({ \ + typeof(mutex) mutex_ = (mutex); \ + \ + mutex_init(mutex_); \ + __devm_mutex_init(dev, mutex_); \ +}) + /* * See kernel/locking/mutex.c for detailed documentation of these APIs. * Also see Documentation/locking/mutex-design.rst. diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 886bfa99a6..218e79ba26 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -189,6 +189,39 @@ struct nfs_inode { /* Open contexts for shared mmap writes */ struct list_head open_files; + /* Keep track of out-of-order replies. + * The ooo array contains start/end pairs of + * numbers from the changeid sequence when + * the inode's iversion has been updated. + * It also contains end/start pair (i.e. reverse order) + * of sections of the changeid sequence that have + * been seen in replies from the server. + * Normally these should match and when both + * A:B and B:A are found in ooo, they are both removed. + * And if a reply with A:B causes an iversion update + * of A:B, then neither are added. + * When a reply has pre_change that doesn't match + * iversion, then the changeid pair and any consequent + * change in iversion ARE added. Later replies + * might fill in the gaps, or possibly a gap is caused + * by a change from another client. + * When a file or directory is opened, if the ooo table + * is not empty, then we assume the gaps were due to + * another client and we invalidate the cached data. + * + * We can only track a limited number of concurrent gaps. + * Currently that limit is 16. + * We allocate the table on demand. If there is insufficient + * memory, then we probably cannot cache the file anyway + * so there is no loss. + */ + struct { + int cnt; + struct { + u64 start, end; + } gap[16]; + } *ooo; + #if IS_ENABLED(CONFIG_NFS_V4) struct nfs4_cached_acl *nfs4_acl; /* NFSv4 state */ @@ -624,6 +657,20 @@ nfs_fileid_to_ino_t(u64 fileid) return ino; } +static inline void nfs_ooo_clear(struct nfs_inode *nfsi) +{ + nfsi->cache_validity &= ~NFS_INO_DATA_INVAL_DEFER; + kfree(nfsi->ooo); + nfsi->ooo = NULL; +} + +static inline bool nfs_ooo_test(struct nfs_inode *nfsi) +{ + return (nfsi->cache_validity & NFS_INO_DATA_INVAL_DEFER) || + (nfsi->ooo && nfsi->ooo->cnt > 0); + +} + #define NFS_JUKEBOX_RETRY_TIME (5 * HZ) diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 5e065f16d0..091fefc5e3 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -238,6 +238,7 @@ struct nfs_server { struct list_head layouts; struct list_head delegations; struct list_head ss_copies; + struct list_head ss_src_copies; unsigned long mig_gen; unsigned long mig_status; diff --git a/include/linux/nvme.h b/include/linux/nvme.h index 461ee0ee59..537cc5b7e0 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -71,8 +71,8 @@ enum { NVMF_RDMA_QPTYPE_DATAGRAM = 2, /* Reliable Datagram */ }; -/* RDMA QP Service Type codes for Discovery Log Page entry TSAS - * RDMA_QPTYPE field +/* RDMA Provider Type codes for Discovery Log Page entry TSAS + * RDMA_PRTYPE field */ enum { NVMF_RDMA_PRTYPE_NOT_SPECIFIED = 1, /* No Provider Specified */ diff --git a/include/linux/objagg.h b/include/linux/objagg.h index 78021777df..6df5b887dc 100644 --- a/include/linux/objagg.h +++ b/include/linux/objagg.h @@ -8,7 +8,6 @@ struct objagg_ops { size_t obj_size; bool (*delta_check)(void *priv, const void *parent_obj, const void *obj); - int (*hints_obj_cmp)(const void *obj1, const void *obj2); void * (*delta_create)(void *priv, void *parent_obj, void *obj); void (*delta_destroy)(void *priv, void *delta_priv); void * (*root_create)(void *priv, void *obj, unsigned int root_id); diff --git a/include/linux/overflow.h b/include/linux/overflow.h index 73bc67ec21..e6bf14f462 100644 --- a/include/linux/overflow.h +++ b/include/linux/overflow.h @@ -29,7 +29,6 @@ * https://mail-index.netbsd.org/tech-misc/2007/02/05/0000.html - * credit to Christian Biere. */ -#define is_signed_type(type) (((type)(-1)) < (type)1) #define __type_half_max(type) ((type)1 << (8*sizeof(type) - 1 - is_signed_type(type))) #define type_max(T) ((T)((__type_half_max(T) - 1) + __type_half_max(T))) #define type_min(T) ((T)((T)-type_max(T)-(T)1)) diff --git a/include/linux/pci.h b/include/linux/pci.h index 25e2e7756b..32805c3a37 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -154,6 +154,15 @@ enum pci_interrupt_pin { /* The number of legacy PCI INTx interrupts */ #define PCI_NUM_INTX 4 +/* + * Reading from a device that doesn't respond typically returns ~0. A + * successful read from a device may also return ~0, so you need additional + * information to reliably identify errors. + */ +#define PCI_ERROR_RESPONSE (~0ULL) +#define PCI_SET_ERROR_RESPONSE(val) (*(val) = ((typeof(*(val))) PCI_ERROR_RESPONSE)) +#define PCI_POSSIBLE_ERROR(val) ((val) == ((typeof(val)) PCI_ERROR_RESPONSE)) + /* * pci_power_t values must match the bits in the Capabilities PME_Support * and Control/Status PowerState fields in the Power Management capability. diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 2590ccda29..d1997eda6b 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2113,6 +2113,8 @@ #define PCI_VENDOR_ID_CHELSIO 0x1425 +#define PCI_VENDOR_ID_EDIMAX 0x1432 + #define PCI_VENDOR_ID_ADLINK 0x144a #define PCI_VENDOR_ID_SAMSUNG 0x144d @@ -2633,6 +2635,8 @@ #define PCI_DEVICE_ID_DCI_PCCOM8 0x0002 #define PCI_DEVICE_ID_DCI_PCCOM2 0x0004 +#define PCI_VENDOR_ID_GLENFLY 0x6766 + #define PCI_VENDOR_ID_INTEL 0x8086 #define PCI_DEVICE_ID_INTEL_EESSC 0x0008 #define PCI_DEVICE_ID_INTEL_PXHD_0 0x0320 diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 200995c521..7cc581e0ee 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -732,6 +732,7 @@ struct perf_event { struct irq_work pending_irq; struct callback_head pending_task; unsigned int pending_work; + struct rcuwait pending_work_wait; atomic_t event_limit; diff --git a/include/linux/pm.h b/include/linux/pm.h index d1c19f5b13..b8578e1f7c 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -8,6 +8,7 @@ #ifndef _LINUX_PM_H #define _LINUX_PM_H +#include #include #include #include @@ -357,13 +358,47 @@ struct dev_pm_ops { #define SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) #endif +#define _DEFINE_DEV_PM_OPS(name, \ + suspend_fn, resume_fn, \ + runtime_suspend_fn, runtime_resume_fn, idle_fn) \ +const struct dev_pm_ops name = { \ + SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \ + RUNTIME_PM_OPS(runtime_suspend_fn, runtime_resume_fn, idle_fn) \ +} + +#ifdef CONFIG_PM +#define _EXPORT_DEV_PM_OPS(name, suspend_fn, resume_fn, runtime_suspend_fn, \ + runtime_resume_fn, idle_fn, sec) \ + _DEFINE_DEV_PM_OPS(name, suspend_fn, resume_fn, runtime_suspend_fn, \ + runtime_resume_fn, idle_fn); \ + _EXPORT_SYMBOL(name, sec) +#else +#define _EXPORT_DEV_PM_OPS(name, suspend_fn, resume_fn, runtime_suspend_fn, \ + runtime_resume_fn, idle_fn, sec) \ +static __maybe_unused _DEFINE_DEV_PM_OPS(__static_##name, suspend_fn, \ + resume_fn, runtime_suspend_fn, \ + runtime_resume_fn, idle_fn) +#endif + /* * Use this if you want to use the same suspend and resume callbacks for suspend * to RAM and hibernation. + * + * If the underlying dev_pm_ops struct symbol has to be exported, use + * EXPORT_SIMPLE_DEV_PM_OPS() or EXPORT_GPL_SIMPLE_DEV_PM_OPS() instead. */ #define DEFINE_SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \ -const struct dev_pm_ops name = { \ - SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \ + _DEFINE_DEV_PM_OPS(name, suspend_fn, resume_fn, NULL, NULL, NULL) + +#define EXPORT_SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \ + _EXPORT_DEV_PM_OPS(name, suspend_fn, resume_fn, NULL, NULL, NULL, "") +#define EXPORT_GPL_SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \ + _EXPORT_DEV_PM_OPS(name, suspend_fn, resume_fn, NULL, NULL, NULL, "_gpl") + +/* Deprecated. Use DEFINE_SIMPLE_DEV_PM_OPS() instead. */ +#define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \ +const struct dev_pm_ops __maybe_unused name = { \ + SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \ } /* @@ -378,20 +413,10 @@ const struct dev_pm_ops name = { \ * suspend and "early" resume callback pointers, .suspend_late() and * .resume_early(), to the same routines as .runtime_suspend() and * .runtime_resume(), respectively (and analogously for hibernation). + * + * Deprecated. You most likely don't want this macro. Use + * DEFINE_RUNTIME_DEV_PM_OPS() instead. */ -#define DEFINE_UNIVERSAL_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \ -static const struct dev_pm_ops name = { \ - SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \ - RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \ -} - -/* Deprecated. Use DEFINE_SIMPLE_DEV_PM_OPS() instead. */ -#define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \ -const struct dev_pm_ops __maybe_unused name = { \ - SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \ -} - -/* Deprecated. Use DEFINE_UNIVERSAL_DEV_PM_OPS() instead. */ #define UNIVERSAL_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \ const struct dev_pm_ops __maybe_unused name = { \ SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \ diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 7efb105183..9a10b6bac4 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -22,6 +22,20 @@ usage_count */ #define RPM_AUTO 0x08 /* Use autosuspend_delay */ +/* + * Use this for defining a set of PM operations to be used in all situations + * (system suspend, hibernation or runtime PM). + * + * Note that the behaviour differs from the deprecated UNIVERSAL_DEV_PM_OPS() + * macro, which uses the provided callbacks for both runtime PM and system + * sleep, while DEFINE_RUNTIME_DEV_PM_OPS() uses pm_runtime_force_suspend() + * and pm_runtime_force_resume() for its system sleep callbacks. + */ +#define DEFINE_RUNTIME_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \ + _DEFINE_DEV_PM_OPS(name, pm_runtime_force_suspend, \ + pm_runtime_force_resume, suspend_fn, \ + resume_fn, idle_fn) + #ifdef CONFIG_PM extern struct workqueue_struct *pm_wq; diff --git a/include/linux/profile.h b/include/linux/profile.h index fd18ca96f5..c5cb315559 100644 --- a/include/linux/profile.h +++ b/include/linux/profile.h @@ -11,7 +11,6 @@ #define CPU_PROFILING 1 #define SCHED_PROFILING 2 -#define SLEEP_PROFILING 3 #define KVM_PROFILING 4 struct proc_dir_entry; diff --git a/include/linux/property.h b/include/linux/property.h index fe2092e39a..840f0545d4 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -125,6 +125,9 @@ struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode); void fwnode_handle_put(struct fwnode_handle *fwnode); int fwnode_irq_get(const struct fwnode_handle *fwnode, unsigned int index); +int fwnode_irq_get_byname(const struct fwnode_handle *fwnode, const char *name); + +void __iomem *fwnode_iomap(struct fwnode_handle *fwnode, int index); unsigned int device_get_child_node_count(struct device *dev); diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h index 9743f7d173..13c95782c0 100644 --- a/include/linux/sched/signal.h +++ b/include/linux/sched/signal.h @@ -347,6 +347,12 @@ extern void sigqueue_free(struct sigqueue *); extern int send_sigqueue(struct sigqueue *, struct pid *, enum pid_type); extern int do_sigaction(int, struct k_sigaction *, struct k_sigaction *); +static inline void clear_notify_signal(void) +{ + clear_thread_flag(TIF_NOTIFY_SIGNAL); + smp_mb__after_atomic(); +} + static inline int restart_syscall(void) { set_tsk_thread_flag(current, TIF_SIGPENDING); diff --git a/include/linux/security.h b/include/linux/security.h index e844834db6..946fa58eb0 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -1896,7 +1896,8 @@ static inline int security_key_getsecurity(struct key *key, char **_buffer) #ifdef CONFIG_AUDIT #ifdef CONFIG_SECURITY -int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule); +int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule, + gfp_t gfp); int security_audit_rule_known(struct audit_krule *krule); int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule); void security_audit_rule_free(void *lsmrule); @@ -1904,7 +1905,7 @@ void security_audit_rule_free(void *lsmrule); #else static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr, - void **lsmrule) + void **lsmrule, gfp_t gfp) { return 0; } diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 15de91c65a..7f52562fac 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -660,8 +660,6 @@ typedef unsigned char *sk_buff_data_t; * @rbnode: RB tree node, alternative to next/prev for netem/tcp * @list: queue head * @sk: Socket we are owned by - * @ip_defrag_offset: (aka @sk) alternate use of @sk, used in - * fragmentation management * @dev: Device we arrived on/are leaving by * @dev_scratch: (aka @dev) alternate use of @dev when @dev would be %NULL * @cb: Control buffer. Free for use by every layer. Put private vars here @@ -778,10 +776,7 @@ struct sk_buff { struct list_head list; }; - union { - struct sock *sk; - int ip_defrag_offset; - }; + struct sock *sk; union { ktime_t tstamp; @@ -2447,6 +2442,8 @@ static inline void *skb_pull_inline(struct sk_buff *skb, unsigned int len) return unlikely(len > skb->len) ? NULL : __skb_pull(skb, len); } +void *skb_pull_data(struct sk_buff *skb, size_t len); + void *__pskb_pull_tail(struct sk_buff *skb, int delta); static inline void *__pskb_pull(struct sk_buff *skb, unsigned int len) diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 6e48c1c88f..57e0d9b755 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -409,7 +409,6 @@ struct svc_program { const struct svc_version **pg_vers; /* version array */ char * pg_name; /* service name */ char * pg_class; /* class name: services sharing authentication */ - struct svc_stat * pg_stats; /* rpc statistics */ int (*pg_authenticate)(struct svc_rqst *); __be32 (*pg_init_request)(struct svc_rqst *, const struct svc_program *, @@ -483,7 +482,9 @@ void svc_rqst_replace_page(struct svc_rqst *rqstp, struct page *page); void svc_rqst_free(struct svc_rqst *); void svc_exit_thread(struct svc_rqst *); -struct svc_serv * svc_create_pooled(struct svc_program *, unsigned int, +struct svc_serv * svc_create_pooled(struct svc_program *prog, + struct svc_stat *stats, + unsigned int bufsize, int (*threadfn)(void *data)); int svc_set_num_threads(struct svc_serv *, struct svc_pool *, int); int svc_pool_stats_open(struct svc_serv *serv, struct file *file); diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 7a1446a7e3..b8037a46ff 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -453,7 +453,7 @@ asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf); asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz, struct statfs64 __user *buf); asmlinkage long sys_truncate(const char __user *path, long length); -asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length); +asmlinkage long sys_ftruncate(unsigned int fd, off_t length); #if BITS_PER_LONG == 32 asmlinkage long sys_truncate64(const char __user *path, loff_t length); asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length); @@ -959,9 +959,15 @@ asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource, const struct rlimit64 __user *new_rlim, struct rlimit64 __user *old_rlim); asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags); +#if defined(CONFIG_ARCH_SPLIT_ARG64) +asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags, + unsigned int mask_1, unsigned int mask_2, + int dfd, const char __user * pathname); +#else asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags, u64 mask, int fd, const char __user *pathname); +#endif asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name, struct file_handle __user *handle, int __user *mnt_id, int flag); diff --git a/include/linux/task_work.h b/include/linux/task_work.h index 5b8a93f288..ad94323136 100644 --- a/include/linux/task_work.h +++ b/include/linux/task_work.h @@ -24,7 +24,8 @@ int task_work_add(struct task_struct *task, struct callback_head *twork, struct callback_head *task_work_cancel_match(struct task_struct *task, bool (*match)(struct callback_head *, void *data), void *data); -struct callback_head *task_work_cancel(struct task_struct *, task_work_func_t); +struct callback_head *task_work_cancel_func(struct task_struct *, task_work_func_t); +bool task_work_cancel(struct task_struct *task, struct callback_head *cb); void task_work_run(void); static inline void exit_task_work(struct task_struct *task) diff --git a/include/linux/tick.h b/include/linux/tick.h index 9459fef5b8..9701c571a5 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -252,12 +252,19 @@ static inline void tick_dep_set_task(struct task_struct *tsk, if (tick_nohz_full_enabled()) tick_nohz_dep_set_task(tsk, bit); } + static inline void tick_dep_clear_task(struct task_struct *tsk, enum tick_dep_bits bit) { if (tick_nohz_full_enabled()) tick_nohz_dep_clear_task(tsk, bit); } + +static inline void tick_dep_init_task(struct task_struct *tsk) +{ + atomic_set(&tsk->tick_dep_mask, 0); +} + static inline void tick_dep_set_signal(struct task_struct *tsk, enum tick_dep_bits bit) { @@ -291,6 +298,7 @@ static inline void tick_dep_set_task(struct task_struct *tsk, enum tick_dep_bits bit) { } static inline void tick_dep_clear_task(struct task_struct *tsk, enum tick_dep_bits bit) { } +static inline void tick_dep_init_task(struct task_struct *tsk) { } static inline void tick_dep_set_signal(struct task_struct *tsk, enum tick_dep_bits bit) { } static inline void tick_dep_clear_signal(struct signal_struct *signal, diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index 17575aa2a5..d5618d96ad 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -801,8 +801,6 @@ extern int trace_add_event_call(struct trace_event_call *call); extern int trace_remove_event_call(struct trace_event_call *call); extern int trace_event_get_offsets(struct trace_event_call *call); -#define is_signed_type(type) (((type)(-1)) < (type)1) - int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set); int trace_set_clr_event(const char *system, const char *event, int set); int trace_array_set_clr_event(struct trace_array *tr, const char *system, @@ -830,7 +828,6 @@ do { \ struct perf_event; DECLARE_PER_CPU(struct pt_regs, perf_trace_regs); -DECLARE_PER_CPU(int, bpf_kprobe_override); extern int perf_trace_init(struct perf_event *event); extern void perf_trace_destroy(struct perf_event *event); diff --git a/include/linux/udp.h b/include/linux/udp.h index fdf5afb393..ca31f830b0 100644 --- a/include/linux/udp.h +++ b/include/linux/udp.h @@ -94,7 +94,7 @@ struct udp_sock { int forward_deficit; }; -#define UDP_MAX_SEGMENTS (1 << 6UL) +#define UDP_MAX_SEGMENTS (1 << 7UL) static inline struct udp_sock *udp_sk(const struct sock *sk) { diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index 0399d12263..456fca4d6a 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -163,6 +163,9 @@ struct usb_os_desc_table { * GetStatus() request when the recipient is Interface. * @func_suspend: callback to be called when * SetFeature(FUNCTION_SUSPEND) is reseived + * @func_suspended: Indicates whether the function is in function suspend state. + * @func_wakeup_armed: Indicates whether the function is armed by the host for + * wakeup signaling. * * A single USB function uses one or more interfaces, and should in most * cases support operation at both full and high speeds. Each function is @@ -233,6 +236,8 @@ struct usb_function { int (*get_status)(struct usb_function *); int (*func_suspend)(struct usb_function *, u8 suspend_opt); + bool func_suspended; + bool func_wakeup_armed; /* private: */ /* internals */ struct list_head list; @@ -254,6 +259,7 @@ int config_ep_by_speed_and_alt(struct usb_gadget *g, struct usb_function *f, int config_ep_by_speed(struct usb_gadget *g, struct usb_function *f, struct usb_ep *_ep); +int usb_func_wakeup(struct usb_function *func); #define MAX_CONFIG_INTERFACES 16 /* arbitrary; max 255 */ diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index c5bc739266..e4feeaa8ba 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -311,6 +311,7 @@ struct usb_udc; struct usb_gadget_ops { int (*get_frame)(struct usb_gadget *); int (*wakeup)(struct usb_gadget *); + int (*func_wakeup)(struct usb_gadget *gadget, int intf_id); int (*set_remote_wakeup)(struct usb_gadget *, int set); int (*set_selfpowered) (struct usb_gadget *, int is_selfpowered); int (*vbus_session) (struct usb_gadget *, int is_active); diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index 8336e86ce6..0547dc986b 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -84,8 +84,23 @@ struct usbnet { # define EVENT_LINK_CHANGE 11 # define EVENT_SET_RX_MODE 12 # define EVENT_NO_IP_ALIGN 13 +/* This one is special, as it indicates that the device is going away + * there are cyclic dependencies between tasklet, timer and bh + * that must be broken + */ +# define EVENT_UNPLUG 31 }; +static inline bool usbnet_going_away(struct usbnet *ubn) +{ + return test_bit(EVENT_UNPLUG, &ubn->flags); +} + +static inline void usbnet_mark_going_away(struct usbnet *ubn) +{ + set_bit(EVENT_UNPLUG, &ubn->flags); +} + static inline struct usb_driver *driver_of(struct usb_interface *intf) { return to_usb_driver(intf->dev.driver); diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index 3972ab765d..4fb198c8db 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -11,10 +11,16 @@ * struct vdpa_calllback - vDPA callback definition. * @callback: interrupt callback function * @private: the data passed to the callback function + * @trigger: the eventfd for the callback (Optional). + * When it is set, the vDPA driver must guarantee that + * signaling it is functional equivalent to triggering + * the callback. Then vDPA parent can signal it directly + * instead of triggering the callback. */ struct vdpa_callback { irqreturn_t (*callback)(void *data); void *private; + struct eventfd_ctx *trigger; }; /** diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h index 6047058d67..62613d4d84 100644 --- a/include/linux/virtio_net.h +++ b/include/linux/virtio_net.h @@ -3,8 +3,8 @@ #define _LINUX_VIRTIO_NET_H #include +#include #include -#include #include static inline bool virtio_net_hdr_match_proto(__be16 protocol, __u8 gso_type) @@ -144,9 +144,28 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb, unsigned int nh_off = p_off; struct skb_shared_info *shinfo = skb_shinfo(skb); - /* UFO may not include transport header in gso_size. */ - if (gso_type & SKB_GSO_UDP) + switch (gso_type & ~SKB_GSO_TCP_ECN) { + case SKB_GSO_UDP: + /* UFO may not include transport header in gso_size. */ nh_off -= thlen; + break; + case SKB_GSO_UDP_L4: + if (!(hdr->flags & VIRTIO_NET_HDR_F_NEEDS_CSUM)) + return -EINVAL; + if (skb->csum_offset != offsetof(struct udphdr, check)) + return -EINVAL; + if (skb->len - p_off > gso_size * UDP_MAX_SEGMENTS) + return -EINVAL; + if (gso_type != SKB_GSO_UDP_L4) + return -EINVAL; + break; + case SKB_GSO_TCPV4: + case SKB_GSO_TCPV6: + if (skb->ip_summed == CHECKSUM_PARTIAL && + skb->csum_offset != offsetof(struct tcphdr, check)) + return -EINVAL; + break; + } /* Kernel has a special handling for GSO_BY_FRAGS. */ if (gso_size == GSO_BY_FRAGS) diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index b6114bc0dd..f6ab6fe7fd 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -176,7 +176,6 @@ struct blocked_key { struct smp_csrk { bdaddr_t bdaddr; u8 bdaddr_type; - u8 link_type; u8 type; u8 val[16]; }; @@ -186,7 +185,6 @@ struct smp_ltk { struct rcu_head rcu; bdaddr_t bdaddr; u8 bdaddr_type; - u8 link_type; u8 authenticated; u8 type; u8 enc_size; @@ -201,7 +199,6 @@ struct smp_irk { bdaddr_t rpa; bdaddr_t bdaddr; u8 addr_type; - u8 link_type; u8 val[16]; }; @@ -209,8 +206,6 @@ struct link_key { struct list_head list; struct rcu_head rcu; bdaddr_t bdaddr; - u8 bdaddr_type; - u8 link_type; u8 type; u8 val[HCI_LINK_KEY_SIZE]; u8 pin_len; @@ -1690,18 +1685,46 @@ static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, { u16 max_latency; - if (min > max || min < 6 || max > 3200) + if (min > max) { + BT_WARN("min %d > max %d", min, max); return -EINVAL; + } - if (to_multiplier < 10 || to_multiplier > 3200) + if (min < 6) { + BT_WARN("min %d < 6", min); return -EINVAL; + } - if (max >= to_multiplier * 8) + if (max > 3200) { + BT_WARN("max %d > 3200", max); return -EINVAL; + } + + if (to_multiplier < 10) { + BT_WARN("to_multiplier %d < 10", to_multiplier); + return -EINVAL; + } + + if (to_multiplier > 3200) { + BT_WARN("to_multiplier %d > 3200", to_multiplier); + return -EINVAL; + } + + if (max >= to_multiplier * 8) { + BT_WARN("max %d >= to_multiplier %d * 8", max, to_multiplier); + return -EINVAL; + } max_latency = (to_multiplier * 4 / max) - 1; - if (latency > 499 || latency > max_latency) + if (latency > 499) { + BT_WARN("latency %d > 499", latency); return -EINVAL; + } + + if (latency > max_latency) { + BT_WARN("latency %d > max_latency %d", latency, max_latency); + return -EINVAL; + } return 0; } diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h index 3459a04a3d..2c37aa0a4c 100644 --- a/include/net/busy_poll.h +++ b/include/net/busy_poll.h @@ -63,7 +63,7 @@ static inline bool sk_can_busy_loop(struct sock *sk) static inline unsigned long busy_loop_current_time(void) { #ifdef CONFIG_NET_RX_BUSY_POLL - return (unsigned long)(local_clock() >> 10); + return (unsigned long)(ktime_get_ns() >> 10); #else return 0; #endif diff --git a/include/net/flow.h b/include/net/flow.h index 776bacc962..079cc493fe 100644 --- a/include/net/flow.h +++ b/include/net/flow.h @@ -29,6 +29,7 @@ struct flowi_tunnel { struct flowi_common { int flowic_oif; int flowic_iif; + int flowic_l3mdev; __u32 flowic_mark; __u8 flowic_tos; __u8 flowic_scope; @@ -36,7 +37,6 @@ struct flowi_common { __u8 flowic_flags; #define FLOWI_FLAG_ANYSRC 0x01 #define FLOWI_FLAG_KNOWN_NH 0x02 -#define FLOWI_FLAG_SKIP_NH_OIF 0x04 __u32 flowic_secid; kuid_t flowic_uid; __u32 flowic_multipath_hash; @@ -65,6 +65,7 @@ struct flowi4 { struct flowi_common __fl_common; #define flowi4_oif __fl_common.flowic_oif #define flowi4_iif __fl_common.flowic_iif +#define flowi4_l3mdev __fl_common.flowic_l3mdev #define flowi4_mark __fl_common.flowic_mark #define flowi4_tos __fl_common.flowic_tos #define flowi4_scope __fl_common.flowic_scope @@ -97,6 +98,7 @@ static inline void flowi4_init_output(struct flowi4 *fl4, int oif, { fl4->flowi4_oif = oif; fl4->flowi4_iif = LOOPBACK_IFINDEX; + fl4->flowi4_l3mdev = 0; fl4->flowi4_mark = mark; fl4->flowi4_tos = tos; fl4->flowi4_scope = scope; @@ -127,6 +129,7 @@ struct flowi6 { struct flowi_common __fl_common; #define flowi6_oif __fl_common.flowic_oif #define flowi6_iif __fl_common.flowic_iif +#define flowi6_l3mdev __fl_common.flowic_l3mdev #define flowi6_mark __fl_common.flowic_mark #define flowi6_scope __fl_common.flowic_scope #define flowi6_proto __fl_common.flowic_proto @@ -156,6 +159,7 @@ struct flowi { } u; #define flowi_oif u.__fl_common.flowic_oif #define flowi_iif u.__fl_common.flowic_iif +#define flowi_l3mdev u.__fl_common.flowic_l3mdev #define flowi_mark u.__fl_common.flowic_mark #define flowi_tos u.__fl_common.flowic_tos #define flowi_scope u.__fl_common.flowic_scope diff --git a/include/net/genetlink.h b/include/net/genetlink.h index 8043594a7f..3cfa33a0aa 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -336,13 +336,12 @@ static inline int genlmsg_multicast(const struct genl_family *family, * @skb: netlink message as socket buffer * @portid: own netlink portid to avoid sending to yourself * @group: offset of multicast group in groups array - * @flags: allocation flags * * This function must hold the RTNL or rcu_read_lock(). */ int genlmsg_multicast_allns(const struct genl_family *family, struct sk_buff *skb, u32 portid, - unsigned int group, gfp_t flags); + unsigned int group); /** * genlmsg_unicast - unicast a netlink message diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index b6b7e210f9..53ec06703f 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -260,7 +260,7 @@ struct dst_entry *inet_csk_route_child_sock(const struct sock *sk, struct sock *inet_csk_reqsk_queue_add(struct sock *sk, struct request_sock *req, struct sock *child); -void inet_csk_reqsk_queue_hash_add(struct sock *sk, struct request_sock *req, +bool inet_csk_reqsk_queue_hash_add(struct sock *sk, struct request_sock *req, unsigned long timeout); struct sock *inet_csk_complete_hashdance(struct sock *sk, struct sock *child, struct request_sock *req, @@ -284,6 +284,14 @@ static inline int inet_csk_reqsk_queue_is_full(const struct sock *sk) bool inet_csk_reqsk_queue_drop(struct sock *sk, struct request_sock *req); void inet_csk_reqsk_queue_drop_and_put(struct sock *sk, struct request_sock *req); +static inline unsigned long +reqsk_timeout(struct request_sock *req, unsigned long max_timeout) +{ + u64 timeout = (u64)req->timeout << req->num_timeout; + + return (unsigned long)min_t(u64, timeout, max_timeout); +} + static inline void inet_csk_prepare_for_destroy_sock(struct sock *sk) { /* The below has to be done to allow calling inet_csk_destroy_sock */ diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index eca36edb85..d8b9942f1a 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -240,11 +240,18 @@ static inline __be32 tunnel_id_to_key32(__be64 tun_id) static inline void ip_tunnel_init_flow(struct flowi4 *fl4, int proto, __be32 daddr, __be32 saddr, - __be32 key, __u8 tos, int oif, + __be32 key, __u8 tos, + struct net *net, int oif, __u32 mark, __u32 tun_inner_hash) { memset(fl4, 0, sizeof(*fl4)); - fl4->flowi4_oif = oif; + + if (oif) { + fl4->flowi4_l3mdev = l3mdev_master_upper_ifindex_by_index(net, oif); + /* Legacy VRF/l3mdev use case */ + fl4->flowi4_oif = fl4->flowi4_l3mdev ? 0 : oif; + } + fl4->daddr = daddr; fl4->saddr = saddr; fl4->flowi4_tos = tos; @@ -334,9 +341,10 @@ static inline bool pskb_inet_may_pull(struct sk_buff *skb) /* Variant of pskb_inet_may_pull(). */ -static inline bool skb_vlan_inet_prepare(struct sk_buff *skb) +static inline bool skb_vlan_inet_prepare(struct sk_buff *skb, + bool inner_proto_inherit) { - int nhlen = 0, maclen = ETH_HLEN; + int nhlen = 0, maclen = inner_proto_inherit ? 0 : ETH_HLEN; __be16 type = skb->protocol; /* Essentially this is skb_protocol(skb, true) diff --git a/include/net/kcm.h b/include/net/kcm.h index 2d704f8f49..8e8252e08a 100644 --- a/include/net/kcm.h +++ b/include/net/kcm.h @@ -70,6 +70,7 @@ struct kcm_sock { struct work_struct tx_work; struct list_head wait_psock_list; struct sk_buff *seq_skb; + struct mutex tx_mutex; u32 tx_stopped : 1; /* Don't use bit fields here, these are set under different locks */ diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 618d1f427c..c713edfbe2 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -6009,6 +6009,16 @@ void ieee80211_disconnect(struct ieee80211_vif *vif, bool reconnect); */ void ieee80211_resume_disconnect(struct ieee80211_vif *vif); +/** + * ieee80211_hw_restart_disconnect - disconnect from AP after + * hardware restart + * @vif: &struct ieee80211_vif pointer from the add_interface callback. + * + * Instructs mac80211 to disconnect from the AP after + * hardware restart. + */ +void ieee80211_hw_restart_disconnect(struct ieee80211_vif *vif); + /** * ieee80211_cqm_rssi_notify - inform a configured connection quality monitoring * rssi threshold triggered diff --git a/include/net/mctp.h b/include/net/mctp.h index ffd2c23bd7..8c225091e4 100644 --- a/include/net/mctp.h +++ b/include/net/mctp.h @@ -226,7 +226,7 @@ void mctp_neigh_remove_dev(struct mctp_dev *mdev); int mctp_routes_init(void); void mctp_routes_exit(void); -void mctp_device_init(void); +int mctp_device_init(void); void mctp_device_exit(void); #endif /* __NET_MCTP_H */ diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 1e6e4af4df..e2c786af2f 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -283,9 +283,22 @@ struct nft_set_elem { void *priv; }; +/** + * enum nft_iter_type - nftables set iterator type + * + * @NFT_ITER_READ: read-only iteration over set elements + * @NFT_ITER_UPDATE: iteration under mutex to update set element state + */ +enum nft_iter_type { + NFT_ITER_UNSPEC, + NFT_ITER_READ, + NFT_ITER_UPDATE, +}; + struct nft_set; struct nft_set_iter { u8 genmask; + enum nft_iter_type type:8; unsigned int count; unsigned int skip; int err; @@ -374,7 +387,7 @@ static inline void *nft_expr_priv(const struct nft_expr *expr) return (void *)expr->data; } -int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src); +int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src, gfp_t gfp); void nft_expr_destroy(const struct nft_ctx *ctx, struct nft_expr *expr); int nft_expr_dump(struct sk_buff *skb, unsigned int attr, const struct nft_expr *expr); @@ -567,6 +580,11 @@ static inline void *nft_set_priv(const struct nft_set *set) return (void *)set->data; } +static inline enum nft_data_types nft_set_datatype(const struct nft_set *set) +{ + return set->dtype == NFT_DATA_VERDICT ? NFT_DATA_VERDICT : NFT_DATA_VALUE; +} + static inline bool nft_set_gc_is_pending(const struct nft_set *s) { return refcount_read(&s->refs) != 1; @@ -767,10 +785,16 @@ static inline struct nft_set_elem_expr *nft_set_ext_expr(const struct nft_set_ex return nft_set_ext(ext, NFT_SET_EXT_EXPRESSIONS); } -static inline bool nft_set_elem_expired(const struct nft_set_ext *ext) +static inline bool __nft_set_elem_expired(const struct nft_set_ext *ext, + u64 tstamp) { return nft_set_ext_exists(ext, NFT_SET_EXT_EXPIRATION) && - time_is_before_eq_jiffies64(*nft_set_ext_expiration(ext)); + time_after_eq64(tstamp, *nft_set_ext_expiration(ext)); +} + +static inline bool nft_set_elem_expired(const struct nft_set_ext *ext) +{ + return __nft_set_elem_expired(ext, get_jiffies_64()); } static inline struct nft_set_ext *nft_set_elem_ext(const struct nft_set *set, @@ -861,7 +885,7 @@ struct nft_expr_ops { struct nft_regs *regs, const struct nft_pktinfo *pkt); int (*clone)(struct nft_expr *dst, - const struct nft_expr *src); + const struct nft_expr *src, gfp_t gfp); unsigned int size; int (*init)(const struct nft_ctx *ctx, @@ -1674,6 +1698,7 @@ struct nftables_pernet { struct list_head notify_list; struct mutex commit_mutex; u64 table_handle; + u64 tstamp; unsigned int base_seq; u8 validate_state; unsigned int gc_seq; @@ -1686,4 +1711,9 @@ static inline struct nftables_pernet *nft_pernet(const struct net *net) return net_generic(net, nf_tables_net_id); } +static inline u64 nft_net_tstamp(const struct net *net) +{ + return nft_pernet(net)->tstamp; +} + #endif /* _NET_NF_TABLES_H */ diff --git a/include/net/request_sock.h b/include/net/request_sock.h index 29e41ff3ec..144c39db98 100644 --- a/include/net/request_sock.h +++ b/include/net/request_sock.h @@ -70,6 +70,7 @@ struct request_sock { struct saved_syn *saved_syn; u32 secid; u32 peer_secid; + u32 timeout; }; static inline struct request_sock *inet_reqsk(const struct sock *sk) @@ -104,6 +105,7 @@ reqsk_alloc(const struct request_sock_ops *ops, struct sock *sk_listener, sk_node_init(&req_to_sk(req)->sk_node); sk_tx_queue_clear(req_to_sk(req)); req->saved_syn = NULL; + req->timeout = 0; req->num_timeout = 0; req->num_retrans = 0; req->sk = NULL; diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h index a2a74e0e5c..dcb1c92e69 100644 --- a/include/net/rtnetlink.h +++ b/include/net/rtnetlink.h @@ -13,6 +13,22 @@ enum rtnl_link_flags { RTNL_FLAG_DOIT_UNLOCKED = 1, }; +enum rtnl_kinds { + RTNL_KIND_NEW, + RTNL_KIND_DEL, + RTNL_KIND_GET, + RTNL_KIND_SET +}; + +struct rtnl_msg_handler { + struct module *owner; + int protocol; + int msgtype; + rtnl_doit_func doit; + rtnl_dumpit_func dumpit; + int flags; +}; + void rtnl_register(int protocol, int msgtype, rtnl_doit_func, rtnl_dumpit_func, unsigned int flags); int rtnl_register_module(struct module *owner, int protocol, int msgtype, @@ -20,6 +36,14 @@ int rtnl_register_module(struct module *owner, int protocol, int msgtype, int rtnl_unregister(int protocol, int msgtype); void rtnl_unregister_all(int protocol); +int __rtnl_register_many(const struct rtnl_msg_handler *handlers, int n); +void __rtnl_unregister_many(const struct rtnl_msg_handler *handlers, int n); + +#define rtnl_register_many(handlers) \ + __rtnl_register_many(handlers, ARRAY_SIZE(handlers)) +#define rtnl_unregister_many(handlers) \ + __rtnl_unregister_many(handlers, ARRAY_SIZE(handlers)) + static inline int rtnl_msg_family(const struct nlmsghdr *nlh) { if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg)) diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 6906da5c73..0919dfd3a6 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -829,7 +829,6 @@ static inline void qdisc_calculate_pkt_len(struct sk_buff *skb, static inline int qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free) { - qdisc_calculate_pkt_len(skb, sch); return sch->enqueue(skb, sch, to_free); } diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 3ae61ce2ea..bf3716fe83 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -509,8 +509,8 @@ static inline int sctp_ep_hashfn(struct net *net, __u16 lport) return (net_hash_mix(net) + lport) & (sctp_ep_hashsize - 1); } -#define sctp_for_each_hentry(epb, head) \ - hlist_for_each_entry(epb, head, node) +#define sctp_for_each_hentry(ep, head) \ + hlist_for_each_entry(ep, head, node) /* Is a socket of this style? */ #define sctp_style(sk, style) __sctp_style((sk), (SCTP_SOCKET_##style)) diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 790252c147..821b20a0f8 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -1244,10 +1244,6 @@ enum sctp_endpoint_type { */ struct sctp_ep_common { - /* Fields to help us manage our entries in the hash tables. */ - struct hlist_node node; - int hashent; - /* Runtime type information. What kind of endpoint is this? */ enum sctp_endpoint_type type; @@ -1299,6 +1295,10 @@ struct sctp_endpoint { /* Common substructure for endpoint and association. */ struct sctp_ep_common base; + /* Fields to help us manage our entries in the hash tables. */ + struct hlist_node node; + int hashent; + /* Associations: A list of current associations and mappings * to the data consumers for each association. This * may be in the form of a hash table or other diff --git a/include/net/sock.h b/include/net/sock.h index b8de579b91..1680d6dc4d 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -850,6 +850,8 @@ static inline void sk_add_bind_node(struct sock *sk, hlist_for_each_entry_safe(__sk, tmp, list, sk_node) #define sk_for_each_bound(__sk, list) \ hlist_for_each_entry(__sk, list, sk_bind_node) +#define sk_for_each_bound_safe(__sk, tmp, list) \ + hlist_for_each_entry_safe(__sk, tmp, list, sk_bind_node) /** * sk_for_each_entry_offset_rcu - iterate over a list at a given struct offset @@ -1460,13 +1462,21 @@ proto_memory_pressure(struct proto *prot) #ifdef CONFIG_PROC_FS -/* Called with local bh disabled */ -void sock_prot_inuse_add(struct net *net, struct proto *prot, int inc); +#define PROTO_INUSE_NR 64 /* should be enough for the first time */ +struct prot_inuse { + int val[PROTO_INUSE_NR]; +}; + +static inline void sock_prot_inuse_add(const struct net *net, + const struct proto *prot, int val) +{ + this_cpu_add(net->core.prot_inuse->val[prot->inuse_idx], val); +} int sock_prot_inuse_get(struct net *net, struct proto *proto); int sock_inuse_get(struct net *net); #else -static inline void sock_prot_inuse_add(struct net *net, struct proto *prot, - int inc) +static inline void sock_prot_inuse_add(const struct net *net, + const struct proto *prot, int val) { } #endif diff --git a/include/net/tcp.h b/include/net/tcp.h index 08923ed427..be91d81d66 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -612,6 +612,7 @@ void tcp_skb_collapse_tstamp(struct sk_buff *skb, /* tcp_input.c */ void tcp_rearm_rto(struct sock *sk); void tcp_synack_rtt_meas(struct sock *sk, struct request_sock *req); +void tcp_done_with_error(struct sock *sk, int err); void tcp_reset(struct sock *sk, struct sk_buff *skb); void tcp_skb_mark_lost_uncond_verify(struct tcp_sock *tp, struct sk_buff *skb); void tcp_fin(struct sock *sk); @@ -2122,9 +2123,26 @@ static inline s64 tcp_rto_delta_us(const struct sock *sk) { const struct sk_buff *skb = tcp_rtx_queue_head(sk); u32 rto = inet_csk(sk)->icsk_rto; - u64 rto_time_stamp_us = tcp_skb_timestamp_us(skb) + jiffies_to_usecs(rto); - return rto_time_stamp_us - tcp_sk(sk)->tcp_mstamp; + if (likely(skb)) { + u64 rto_time_stamp_us = tcp_skb_timestamp_us(skb) + jiffies_to_usecs(rto); + + return rto_time_stamp_us - tcp_sk(sk)->tcp_mstamp; + } else { + WARN_ONCE(1, + "rtx queue emtpy: " + "out:%u sacked:%u lost:%u retrans:%u " + "tlp_high_seq:%u sk_state:%u ca_state:%u " + "advmss:%u mss_cache:%u pmtu:%u\n", + tcp_sk(sk)->packets_out, tcp_sk(sk)->sacked_out, + tcp_sk(sk)->lost_out, tcp_sk(sk)->retrans_out, + tcp_sk(sk)->tlp_high_seq, sk->sk_state, + inet_csk(sk)->icsk_ca_state, + tcp_sk(sk)->advmss, tcp_sk(sk)->mss_cache, + inet_csk(sk)->icsk_pmtu_cookie); + return jiffies_to_usecs(rto); + } + } /* @@ -2362,7 +2380,7 @@ static inline u32 tcp_timeout_init(struct sock *sk) if (timeout <= 0) timeout = TCP_TIMEOUT_INIT; - return timeout; + return min_t(int, timeout, TCP_RTO_MAX); } static inline u32 tcp_rwnd_init_bpf(struct sock *sk) diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 2e2e30d31a..20ce2e1b3f 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -315,20 +315,25 @@ struct xfrm_if_cb { void xfrm_if_register_cb(const struct xfrm_if_cb *ifcb); void xfrm_if_unregister_cb(void); +struct xfrm_dst_lookup_params { + struct net *net; + int tos; + int oif; + xfrm_address_t *saddr; + xfrm_address_t *daddr; + u32 mark; + __u8 ipproto; + union flowi_uli uli; +}; + struct net_device; struct xfrm_type; struct xfrm_dst; struct xfrm_policy_afinfo { struct dst_ops *dst_ops; - struct dst_entry *(*dst_lookup)(struct net *net, - int tos, int oif, - const xfrm_address_t *saddr, - const xfrm_address_t *daddr, - u32 mark); - int (*get_saddr)(struct net *net, int oif, - xfrm_address_t *saddr, - xfrm_address_t *daddr, - u32 mark); + struct dst_entry *(*dst_lookup)(const struct xfrm_dst_lookup_params *params); + int (*get_saddr)(xfrm_address_t *saddr, + const struct xfrm_dst_lookup_params *params); int (*fill_dst)(struct xfrm_dst *xdst, struct net_device *dev, const struct flowi *fl); @@ -1645,10 +1650,7 @@ static inline int xfrm_user_policy(struct sock *sk, int optname, } #endif -struct dst_entry *__xfrm_dst_lookup(struct net *net, int tos, int oif, - const xfrm_address_t *saddr, - const xfrm_address_t *daddr, - int family, u32 mark); +struct dst_entry *__xfrm_dst_lookup(int family, const struct xfrm_dst_lookup_params *params); struct xfrm_policy *xfrm_policy_alloc(struct net *net, gfp_t gfp); diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index e118077160..fb39edba3d 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -247,7 +247,7 @@ static inline sector_t scsi_get_lba(struct scsi_cmnd *scmd) static inline unsigned int scsi_logical_block_count(struct scsi_cmnd *scmd) { - unsigned int shift = ilog2(scmd->device->sector_size) - SECTOR_SHIFT; + unsigned int shift = ilog2(scmd->device->sector_size); return blk_rq_bytes(scsi_cmd_to_rq(scmd)) >> shift; } diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index f50861e4e8..3ed93982db 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -565,6 +565,8 @@ struct Scsi_Host { struct scsi_host_template *hostt; struct scsi_transport_template *transportt; + struct kref tagset_refcnt; + struct completion tagset_freed; /* Area to keep a shared tag map */ struct blk_mq_tag_set tag_set; diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h index 05ec927a3c..7460f730f7 100644 --- a/include/scsi/scsi_transport_sas.h +++ b/include/scsi/scsi_transport_sas.h @@ -199,6 +199,8 @@ unsigned int sas_is_tlr_enabled(struct scsi_device *); void sas_disable_tlr(struct scsi_device *); void sas_enable_tlr(struct scsi_device *); +bool sas_ata_ncq_prio_supported(struct scsi_device *sdev); + extern struct sas_rphy *sas_end_device_alloc(struct sas_port *); extern struct sas_rphy *sas_expander_alloc(struct sas_port *, enum sas_device_type); void sas_rphy_free(struct sas_rphy *); diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h index 96666efddb..6d9c94a570 100644 --- a/include/sound/dmaengine_pcm.h +++ b/include/sound/dmaengine_pcm.h @@ -34,6 +34,7 @@ snd_pcm_uframes_t snd_dmaengine_pcm_pointer_no_residue(struct snd_pcm_substream int snd_dmaengine_pcm_open(struct snd_pcm_substream *substream, struct dma_chan *chan); int snd_dmaengine_pcm_close(struct snd_pcm_substream *substream); +int snd_dmaengine_pcm_sync_stop(struct snd_pcm_substream *substream); int snd_dmaengine_pcm_open_request_chan(struct snd_pcm_substream *substream, dma_filter_fn filter_fn, void *filter_data); diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 8670adaa23..5948d11a22 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -145,7 +145,8 @@ TRACE_DEFINE_ENUM(CP_RESIZE); { CP_NODE_NEED_CP, "node needs cp" }, \ { CP_FASTBOOT_MODE, "fastboot mode" }, \ { CP_SPEC_LOG_NUM, "log type is 2" }, \ - { CP_RECOVER_DIR, "dir needs recovery" }) + { CP_RECOVER_DIR, "dir needs recovery" }, \ + { CP_XATTR_DIR, "dir's xattr updated" }) #define show_shutdown_mode(type) \ __print_symbolic(type, \ diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h index ddc8c944f4..f89fb3afcd 100644 --- a/include/trace/events/kmem.h +++ b/include/trace/events/kmem.h @@ -229,20 +229,23 @@ TRACE_EVENT(mm_page_alloc, DECLARE_EVENT_CLASS(mm_page, - TP_PROTO(struct page *page, unsigned int order, int migratetype), + TP_PROTO(struct page *page, unsigned int order, int migratetype, + int percpu_refill), - TP_ARGS(page, order, migratetype), + TP_ARGS(page, order, migratetype, percpu_refill), TP_STRUCT__entry( __field( unsigned long, pfn ) __field( unsigned int, order ) __field( int, migratetype ) + __field( int, percpu_refill ) ), TP_fast_assign( __entry->pfn = page ? page_to_pfn(page) : -1UL; __entry->order = order; __entry->migratetype = migratetype; + __entry->percpu_refill = percpu_refill; ), TP_printk("page=%p pfn=0x%lx order=%u migratetype=%d percpu_refill=%d", @@ -250,14 +253,15 @@ DECLARE_EVENT_CLASS(mm_page, __entry->pfn != -1UL ? __entry->pfn : 0, __entry->order, __entry->migratetype, - __entry->order == 0) + __entry->percpu_refill) ); DEFINE_EVENT(mm_page, mm_page_alloc_zone_locked, - TP_PROTO(struct page *page, unsigned int order, int migratetype), + TP_PROTO(struct page *page, unsigned int order, int migratetype, + int percpu_refill), - TP_ARGS(page, order, migratetype) + TP_ARGS(page, order, migratetype, percpu_refill) ); TRACE_EVENT(mm_page_pcpu_drain, diff --git a/include/trace/events/mptcp.h b/include/trace/events/mptcp.h index 6bf43176f1..df26c1dd3d 100644 --- a/include/trace/events/mptcp.h +++ b/include/trace/events/mptcp.h @@ -34,7 +34,7 @@ TRACE_EVENT(mptcp_subflow_get_send, struct sock *ssk; __entry->active = mptcp_subflow_active(subflow); - __entry->backup = subflow->backup; + __entry->backup = subflow->backup || subflow->request_bkup; if (subflow->tcp_sock && sk_fullsock(subflow->tcp_sock)) __entry->free = sk_stream_memory_free(subflow->tcp_sock); diff --git a/include/trace/events/qdisc.h b/include/trace/events/qdisc.h index 5180da19d8..3169ff0973 100644 --- a/include/trace/events/qdisc.h +++ b/include/trace/events/qdisc.h @@ -81,14 +81,14 @@ TRACE_EVENT(qdisc_reset, TP_ARGS(q), TP_STRUCT__entry( - __string( dev, qdisc_dev(q)->name ) + __string( dev, qdisc_dev(q) ? qdisc_dev(q)->name : "(null)" ) __string( kind, q->ops->id ) __field( u32, parent ) __field( u32, handle ) ), TP_fast_assign( - __assign_str(dev, qdisc_dev(q)->name); + __assign_str(dev, qdisc_dev(q) ? qdisc_dev(q)->name : "(null)"); __assign_str(kind, q->ops->id); __entry->parent = q->parent; __entry->handle = q->handle; diff --git a/include/trace/events/rpcgss.h b/include/trace/events/rpcgss.h index 6959255ccf..3e4f767fbf 100644 --- a/include/trace/events/rpcgss.h +++ b/include/trace/events/rpcgss.h @@ -54,7 +54,7 @@ TRACE_DEFINE_ENUM(GSS_S_UNSEQ_TOKEN); TRACE_DEFINE_ENUM(GSS_S_GAP_TOKEN); #define show_gss_status(x) \ - __print_flags(x, "|", \ + __print_symbolic(x, \ { GSS_S_BAD_MECH, "GSS_S_BAD_MECH" }, \ { GSS_S_BAD_NAME, "GSS_S_BAD_NAME" }, \ { GSS_S_BAD_NAMETYPE, "GSS_S_BAD_NAMETYPE" }, \ diff --git a/include/uapi/asm-generic/hugetlb_encode.h b/include/uapi/asm-generic/hugetlb_encode.h index 4f3d5aaa11..de687009bf 100644 --- a/include/uapi/asm-generic/hugetlb_encode.h +++ b/include/uapi/asm-generic/hugetlb_encode.h @@ -20,18 +20,18 @@ #define HUGETLB_FLAG_ENCODE_SHIFT 26 #define HUGETLB_FLAG_ENCODE_MASK 0x3f -#define HUGETLB_FLAG_ENCODE_16KB (14 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_64KB (16 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_512KB (19 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_1MB (20 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_2MB (21 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_8MB (23 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_16MB (24 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_32MB (25 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_256MB (28 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_512MB (29 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_1GB (30 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_2GB (31 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_16GB (34 << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_16KB (14U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_64KB (16U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_512KB (19U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_1MB (20U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_2MB (21U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_8MB (23U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_16MB (24U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_32MB (25U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_256MB (28U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_512MB (29U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_1GB (30U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_2GB (31U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_16GB (34U << HUGETLB_FLAG_ENCODE_SHIFT) #endif /* _ASM_GENERIC_HUGETLB_ENCODE_H_ */ diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index 1c5fb86d45..17a5a317f3 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -805,7 +805,7 @@ __SC_COMP(__NR_pselect6_time64, sys_pselect6, compat_sys_pselect6_time64) #define __NR_ppoll_time64 414 __SC_COMP(__NR_ppoll_time64, sys_ppoll, compat_sys_ppoll_time64) #define __NR_io_pgetevents_time64 416 -__SYSCALL(__NR_io_pgetevents_time64, sys_io_pgetevents) +__SC_COMP(__NR_io_pgetevents_time64, sys_io_pgetevents, compat_sys_io_pgetevents_time64) #define __NR_recvmmsg_time64 417 __SC_COMP(__NR_recvmmsg_time64, sys_recvmmsg, compat_sys_recvmmsg_time64) #define __NR_mq_timedsend_time64 418 diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index 6bfb510656..0bdeeabbc5 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -5108,11 +5108,6 @@ enum { BPF_F_MARK_ENFORCE = (1ULL << 6), }; -/* BPF_FUNC_clone_redirect and BPF_FUNC_redirect flags. */ -enum { - BPF_F_INGRESS = (1ULL << 0), -}; - /* BPF_FUNC_skb_set_tunnel_key and BPF_FUNC_skb_get_tunnel_key flags. */ enum { BPF_F_TUNINFO_IPV6 = (1ULL << 0), @@ -5251,10 +5246,12 @@ enum { BPF_F_BPRM_SECUREEXEC = (1ULL << 0), }; -/* Flags for bpf_redirect_map helper */ +/* Flags for bpf_redirect and bpf_redirect_map helpers */ enum { - BPF_F_BROADCAST = (1ULL << 3), - BPF_F_EXCLUDE_INGRESS = (1ULL << 4), + BPF_F_INGRESS = (1ULL << 0), /* used for skb path */ + BPF_F_BROADCAST = (1ULL << 3), /* used for XDP path */ + BPF_F_EXCLUDE_INGRESS = (1ULL << 4), /* used for XDP path */ +#define BPF_F_REDIRECT_FLAGS (BPF_F_INGRESS | BPF_F_BROADCAST | BPF_F_EXCLUDE_INGRESS) }; #define __bpf_md_ptr(type, name) \ diff --git a/include/uapi/linux/cec.h b/include/uapi/linux/cec.h index de936f5e44..2b2c77c377 100644 --- a/include/uapi/linux/cec.h +++ b/include/uapi/linux/cec.h @@ -132,6 +132,8 @@ static inline void cec_msg_init(struct cec_msg *msg, * Set the msg destination to the orig initiator and the msg initiator to the * orig destination. Note that msg and orig may be the same pointer, in which * case the change is done in place. + * + * It also zeroes the reply, timeout and flags fields. */ static inline void cec_msg_set_reply_to(struct cec_msg *msg, struct cec_msg *orig) @@ -139,7 +141,9 @@ static inline void cec_msg_set_reply_to(struct cec_msg *msg, /* The destination becomes the initiator and vice versa */ msg->msg[0] = (cec_msg_destination(orig) << 4) | cec_msg_initiator(orig); - msg->reply = msg->timeout = 0; + msg->reply = 0; + msg->timeout = 0; + msg->flags = 0; } /* cec_msg flags field */ diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h index 4ac53b30b6..cc126982fa 100644 --- a/include/uapi/linux/if_link.h +++ b/include/uapi/linux/if_link.h @@ -776,6 +776,7 @@ enum { IFLA_GENEVE_LABEL, IFLA_GENEVE_TTL_INHERIT, IFLA_GENEVE_DF, + IFLA_GENEVE_INNER_PROTO_INHERIT, __IFLA_GENEVE_MAX }; #define IFLA_GENEVE_MAX (__IFLA_GENEVE_MAX - 1) diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h index 62cc780a16..598f782779 100644 --- a/include/uapi/linux/netfilter/nf_tables.h +++ b/include/uapi/linux/netfilter/nf_tables.h @@ -1320,7 +1320,7 @@ enum nft_secmark_attributes { #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1) /* Max security context length */ -#define NFT_SECMARK_CTX_MAXLEN 256 +#define NFT_SECMARK_CTX_MAXLEN 4096 /** * enum nft_reject_types - nf_tables reject expression reject types @@ -1638,7 +1638,7 @@ enum nft_flowtable_flags { * * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING) * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING) - * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32) + * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration (NLA_NESTED) * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32) * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64) * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32) diff --git a/include/uapi/linux/zorro_ids.h b/include/uapi/linux/zorro_ids.h index 6e574d7b7d..393f2ee9c0 100644 --- a/include/uapi/linux/zorro_ids.h +++ b/include/uapi/linux/zorro_ids.h @@ -449,6 +449,9 @@ #define ZORRO_PROD_VMC_ISDN_BLASTER_Z2 ZORRO_ID(VMC, 0x01, 0) #define ZORRO_PROD_VMC_HYPERCOM_4 ZORRO_ID(VMC, 0x02, 0) +#define ZORRO_MANUF_CSLAB 0x1400 +#define ZORRO_PROD_CSLAB_WARP_1260 ZORRO_ID(CSLAB, 0x65, 0) + #define ZORRO_MANUF_INFORMATION 0x157C #define ZORRO_PROD_INFORMATION_ISDN_ENGINE_I ZORRO_ID(INFORMATION, 0x64, 0) diff --git a/io_uring/io-wq.c b/io_uring/io-wq.c index fe8594a039..c5d249f5d2 100644 --- a/io_uring/io-wq.c +++ b/io_uring/io-wq.c @@ -19,6 +19,7 @@ #include "io-wq.h" #define WORKER_IDLE_TIMEOUT (5 * HZ) +#define WORKER_INIT_LIMIT 3 enum { IO_WORKER_F_UP = 1, /* up and active */ @@ -54,6 +55,7 @@ struct io_worker { unsigned long create_state; struct callback_head create_work; int create_index; + int init_retries; union { struct rcu_head rcu; @@ -732,7 +734,7 @@ static bool io_wq_work_match_all(struct io_wq_work *work, void *data) return true; } -static inline bool io_should_retry_thread(long err) +static inline bool io_should_retry_thread(struct io_worker *worker, long err) { /* * Prevent perpetual task_work retry, if the task (or its group) is @@ -740,6 +742,8 @@ static inline bool io_should_retry_thread(long err) */ if (fatal_signal_pending(current)) return false; + if (worker->init_retries++ >= WORKER_INIT_LIMIT) + return false; switch (err) { case -EAGAIN: @@ -766,7 +770,7 @@ static void create_worker_cont(struct callback_head *cb) io_init_new_worker(wqe, worker, tsk); io_worker_release(worker); return; - } else if (!io_should_retry_thread(PTR_ERR(tsk))) { + } else if (!io_should_retry_thread(worker, PTR_ERR(tsk))) { struct io_wqe_acct *acct = io_wqe_get_acct(worker); atomic_dec(&acct->nr_running); @@ -831,7 +835,7 @@ static bool create_io_worker(struct io_wq *wq, struct io_wqe *wqe, int index) tsk = create_io_thread(io_wqe_worker, worker, wqe->node); if (!IS_ERR(tsk)) { io_init_new_worker(wqe, worker, tsk); - } else if (!io_should_retry_thread(PTR_ERR(tsk))) { + } else if (!io_should_retry_thread(worker, PTR_ERR(tsk))) { kfree(worker); goto fail; } else { diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index ea005700c8..43dd54c576 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -56,6 +56,7 @@ #include #include #include +#include #include #include #include @@ -1582,7 +1583,14 @@ static inline bool io_sqring_full(struct io_ring_ctx *ctx) { struct io_rings *r = ctx->rings; - return READ_ONCE(r->sq.tail) - ctx->cached_sq_head == ctx->sq_entries; + /* + * SQPOLL must use the actual sqring head, as using the cached_sq_head + * is race prone if the SQPOLL thread has grabbed entries but not yet + * committed them to the ring. For !SQPOLL, this doesn't matter, but + * since this helper is just used for SQPOLL sqring waits (or POLLOUT), + * just read the actual sqring head unconditionally. + */ + return READ_ONCE(r->sq.tail) - READ_ONCE(r->sq.head) == ctx->sq_entries; } static inline unsigned int __io_cqring_events(struct io_ring_ctx *ctx) @@ -2664,17 +2672,12 @@ static int io_iopoll_check(struct io_ring_ctx *ctx, long min) return ret; } -static void kiocb_end_write(struct io_kiocb *req) +static void io_req_end_write(struct io_kiocb *req) { - /* - * Tell lockdep we inherited freeze protection from submission - * thread. - */ if (req->flags & REQ_F_ISREG) { - struct super_block *sb = file_inode(req->file)->i_sb; + struct io_rw *rw = &req->rw; - __sb_writers_acquired(sb, SB_FREEZE_WRITE); - sb_end_write(sb); + kiocb_end_write(&rw->kiocb); } } @@ -2734,7 +2737,7 @@ static void io_req_io_end(struct io_kiocb *req) struct io_rw *rw = &req->rw; if (rw->kiocb.ki_flags & IOCB_WRITE) { - kiocb_end_write(req); + io_req_end_write(req); fsnotify_modify(req->file); } else { fsnotify_access(req->file); @@ -2814,7 +2817,7 @@ static void io_complete_rw_iopoll(struct kiocb *kiocb, long res, long res2) struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw.kiocb); if (kiocb->ki_flags & IOCB_WRITE) - kiocb_end_write(req); + io_req_end_write(req); if (unlikely(res != req->result)) { if (res == -EAGAIN && io_rw_should_reissue(req)) { req->flags |= REQ_F_REISSUE; @@ -3721,6 +3724,25 @@ static int io_write_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) return io_prep_rw(req, sqe, WRITE); } +static bool io_kiocb_start_write(struct io_kiocb *req, struct kiocb *kiocb) +{ + struct inode *inode; + bool ret; + + if (!(req->flags & REQ_F_ISREG)) + return true; + if (!(kiocb->ki_flags & IOCB_NOWAIT)) { + kiocb_start_write(kiocb); + return true; + } + + inode = file_inode(kiocb->ki_filp); + ret = sb_start_write_trylock(inode->i_sb); + if (ret) + __sb_writers_release(inode->i_sb, SB_FREEZE_WRITE); + return ret; +} + static int io_write(struct io_kiocb *req, unsigned int issue_flags) { struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs; @@ -3767,18 +3789,8 @@ static int io_write(struct io_kiocb *req, unsigned int issue_flags) if (unlikely(ret)) goto out_free; - /* - * Open-code file_start_write here to grab freeze protection, - * which will be released by another thread in - * io_complete_rw(). Fool lockdep by telling it the lock got - * released so that it doesn't complain about the held lock when - * we return to userspace. - */ - if (req->flags & REQ_F_ISREG) { - sb_start_write(file_inode(req->file)->i_sb); - __sb_writers_release(file_inode(req->file)->i_sb, - SB_FREEZE_WRITE); - } + if (unlikely(!io_kiocb_start_write(req, kiocb))) + goto copy_iov; kiocb->ki_flags |= IOCB_WRITE; if (req->file->f_op->write_iter) @@ -3814,7 +3826,7 @@ static int io_write(struct io_kiocb *req, unsigned int issue_flags) ret = io_setup_async_rw(req, iovec, inline_vecs, iter, false); if (!ret) { if (kiocb->ki_flags & IOCB_WRITE) - kiocb_end_write(req); + io_req_end_write(req); return -EAGAIN; } return ret; @@ -8746,11 +8758,22 @@ static int io_sq_offload_create(struct io_ring_ctx *ctx, return 0; if (p->flags & IORING_SETUP_SQ_AFF) { + cpumask_var_t allowed_mask; int cpu = p->sq_thread_cpu; ret = -EINVAL; if (cpu >= nr_cpu_ids || !cpu_online(cpu)) goto err_sqpoll; + ret = -ENOMEM; + if (!alloc_cpumask_var(&allowed_mask, GFP_KERNEL)) + goto err_sqpoll; + ret = -EINVAL; + cpuset_cpus_allowed(current, allowed_mask); + if (!cpumask_test_cpu(cpu, allowed_mask)) { + free_cpumask_var(allowed_mask); + goto err_sqpoll; + } + free_cpumask_var(allowed_mask); sqd->sq_cpu = cpu; } else { sqd->sq_cpu = -1; @@ -9856,8 +9879,11 @@ static void io_uring_cancel_generic(bool cancel_all, struct io_sq_data *sqd) atomic_inc(&tctx->in_idle); do { io_uring_drop_tctx_refs(current); + if (!tctx_inflight(tctx, !cancel_all)) + break; + /* read completions before cancelations */ - inflight = tctx_inflight(tctx, !cancel_all); + inflight = tctx_inflight(tctx, false); if (!inflight) break; @@ -10796,8 +10822,10 @@ static int io_register_iowq_max_workers(struct io_ring_ctx *ctx, } if (sqd) { + mutex_unlock(&ctx->uring_lock); mutex_unlock(&sqd->lock); io_put_sq_data(sqd); + mutex_lock(&ctx->uring_lock); } if (copy_to_user(arg, new_count, sizeof(new_count))) @@ -10822,8 +10850,11 @@ static int io_register_iowq_max_workers(struct io_ring_ctx *ctx, return 0; err: if (sqd) { + mutex_unlock(&ctx->uring_lock); mutex_unlock(&sqd->lock); io_put_sq_data(sqd); + mutex_lock(&ctx->uring_lock); + } return ret; } diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index db2c6b59df..9d0e63b64e 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -521,7 +521,8 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, entry->rule.buflen += f_val; f->lsm_str = str; err = security_audit_rule_init(f->type, f->op, str, - (void **)&f->lsm_rule); + (void **)&f->lsm_rule, + GFP_KERNEL); /* Keep currently invalid fields around in case they * become valid after a policy reload. */ if (err == -EINVAL) { @@ -790,7 +791,7 @@ static inline int audit_dupe_lsm_field(struct audit_field *df, /* our own (refreshed) copy of lsm_rule */ ret = security_audit_rule_init(df->type, df->op, df->lsm_str, - (void **)&df->lsm_rule); + (void **)&df->lsm_rule, GFP_KERNEL); /* Keep currently invalid fields around in case they * become valid after a policy reload. */ if (ret == -EINVAL) { diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c index c76870bfd8..2788da290c 100644 --- a/kernel/bpf/arraymap.c +++ b/kernel/bpf/arraymap.c @@ -74,6 +74,9 @@ int array_map_alloc_check(union bpf_attr *attr) * access the elements. */ return -E2BIG; + /* percpu map value size is bound by PCPU_MIN_UNIT_SIZE */ + if (percpu && round_up(attr->value_size, 8) > PCPU_MIN_UNIT_SIZE) + return -E2BIG; return 0; } diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index a0c7e13e0a..d3eb75bfd9 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -349,7 +349,7 @@ const char *btf_type_str(const struct btf_type *t) struct btf_show { u64 flags; void *target; /* target of show operation (seq file, buffer) */ - void (*showfn)(struct btf_show *show, const char *fmt, va_list args); + __printf(2, 0) void (*showfn)(struct btf_show *show, const char *fmt, va_list args); const struct btf *btf; /* below are used during iteration */ struct { @@ -5808,8 +5808,8 @@ static void btf_type_show(const struct btf *btf, u32 type_id, void *obj, btf_type_ops(t)->show(btf, t, type_id, obj, 0, show); } -static void btf_seq_show(struct btf_show *show, const char *fmt, - va_list args) +__printf(2, 0) static void btf_seq_show(struct btf_show *show, const char *fmt, + va_list args) { seq_vprintf((struct seq_file *)show->target, fmt, args); } @@ -5842,8 +5842,8 @@ struct btf_show_snprintf { int len; /* length we would have written */ }; -static void btf_snprintf_show(struct btf_show *show, const char *fmt, - va_list args) +__printf(2, 0) static void btf_snprintf_show(struct btf_show *show, const char *fmt, + va_list args) { struct btf_show_snprintf *ssnprintf = (struct btf_show_snprintf *)show; int len; diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 36c2896ee4..f36f7b71dc 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -1940,7 +1940,9 @@ struct bpf_prog *bpf_prog_select_runtime(struct bpf_prog *fp, int *err) } finalize: - bpf_prog_lock_ro(fp); + *err = bpf_prog_lock_ro(fp); + if (*err) + return fp; /* The tail call compatibility check can only be done at * this late stage as we need to determine, if we deal diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c index bbf3ec03aa..4118978951 100644 --- a/kernel/bpf/devmap.c +++ b/kernel/bpf/devmap.c @@ -325,9 +325,11 @@ static int dev_map_hash_get_next_key(struct bpf_map *map, void *key, static int dev_map_bpf_prog_run(struct bpf_prog *xdp_prog, struct xdp_frame **frames, int n, - struct net_device *dev) + struct net_device *tx_dev, + struct net_device *rx_dev) { - struct xdp_txq_info txq = { .dev = dev }; + struct xdp_txq_info txq = { .dev = tx_dev }; + struct xdp_rxq_info rxq = { .dev = rx_dev }; struct xdp_buff xdp; int i, nframes = 0; @@ -338,6 +340,7 @@ static int dev_map_bpf_prog_run(struct bpf_prog *xdp_prog, xdp_convert_frame_to_buff(xdpf, &xdp); xdp.txq = &txq; + xdp.rxq = &rxq; act = bpf_prog_run_xdp(xdp_prog, &xdp); switch (act) { @@ -352,7 +355,7 @@ static int dev_map_bpf_prog_run(struct bpf_prog *xdp_prog, bpf_warn_invalid_xdp_action(act); fallthrough; case XDP_ABORTED: - trace_xdp_exception(dev, xdp_prog, act); + trace_xdp_exception(tx_dev, xdp_prog, act); fallthrough; case XDP_DROP: xdp_return_frame_rx_napi(xdpf); @@ -380,7 +383,7 @@ static void bq_xmit_all(struct xdp_dev_bulk_queue *bq, u32 flags) } if (bq->xdp_prog) { - to_send = dev_map_bpf_prog_run(bq->xdp_prog, bq->q, cnt, dev); + to_send = dev_map_bpf_prog_run(bq->xdp_prog, bq->q, cnt, dev, bq->dev_rx); if (!to_send) goto out; } diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index f53b4f04b9..d08fe64e0e 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -464,6 +464,9 @@ static int htab_map_alloc_check(union bpf_attr *attr) * kmalloc-able later in htab_map_update_elem() */ return -E2BIG; + /* percpu map value size is bound by PCPU_MIN_UNIT_SIZE */ + if (percpu && round_up(attr->value_size, 8) > PCPU_MIN_UNIT_SIZE) + return -E2BIG; return 0; } diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c index 273f2f0deb..13f870e47a 100644 --- a/kernel/bpf/helpers.c +++ b/kernel/bpf/helpers.c @@ -512,7 +512,7 @@ static int __bpf_strtoll(const char *buf, size_t buf_len, u64 flags, } BPF_CALL_4(bpf_strtol, const char *, buf, size_t, buf_len, u64, flags, - long *, res) + s64 *, res) { long long _res; int err; @@ -537,7 +537,7 @@ const struct bpf_func_proto bpf_strtol_proto = { }; BPF_CALL_4(bpf_strtoul, const char *, buf, size_t, buf_len, u64, flags, - unsigned long *, res) + u64 *, res) { unsigned long long _res; bool is_negative; diff --git a/kernel/bpf/lpm_trie.c b/kernel/bpf/lpm_trie.c index 4ea7fb0ca1..6b2bf71f8d 100644 --- a/kernel/bpf/lpm_trie.c +++ b/kernel/bpf/lpm_trie.c @@ -644,7 +644,7 @@ static int trie_get_next_key(struct bpf_map *map, void *_key, void *_next_key) if (!key || key->prefixlen > trie->max_prefixlen) goto find_leftmost; - node_stack = kmalloc_array(trie->max_prefixlen, + node_stack = kmalloc_array(trie->max_prefixlen + 1, sizeof(struct lpm_trie_node *), GFP_ATOMIC | __GFP_NOWARN); if (!node_stack) diff --git a/kernel/bpf/ringbuf.c b/kernel/bpf/ringbuf.c index 710ba9de12..eb6ff0d0c0 100644 --- a/kernel/bpf/ringbuf.c +++ b/kernel/bpf/ringbuf.c @@ -41,9 +41,12 @@ struct bpf_ringbuf { * mapping consumer page as r/w, but restrict producer page to r/o. * This protects producer position from being modified by user-space * application and ruining in-kernel position tracking. + * Note that the pending counter is placed in the same + * page as the producer, so that it shares the same cache line. */ unsigned long consumer_pos __aligned(PAGE_SIZE); unsigned long producer_pos __aligned(PAGE_SIZE); + unsigned long pending_pos; char data[] __aligned(PAGE_SIZE); }; @@ -141,6 +144,7 @@ static struct bpf_ringbuf *bpf_ringbuf_alloc(size_t data_sz, int numa_node) rb->mask = data_sz - 1; rb->consumer_pos = 0; rb->producer_pos = 0; + rb->pending_pos = 0; return rb; } @@ -304,9 +308,9 @@ bpf_ringbuf_restore_from_rec(struct bpf_ringbuf_hdr *hdr) static void *__bpf_ringbuf_reserve(struct bpf_ringbuf *rb, u64 size) { - unsigned long cons_pos, prod_pos, new_prod_pos, flags; - u32 len, pg_off; + unsigned long cons_pos, prod_pos, new_prod_pos, pend_pos, flags; struct bpf_ringbuf_hdr *hdr; + u32 len, pg_off, tmp_size, hdr_len; if (unlikely(size > RINGBUF_MAX_RECORD_SZ)) return NULL; @@ -324,13 +328,29 @@ static void *__bpf_ringbuf_reserve(struct bpf_ringbuf *rb, u64 size) spin_lock_irqsave(&rb->spinlock, flags); } + pend_pos = rb->pending_pos; prod_pos = rb->producer_pos; new_prod_pos = prod_pos + len; - /* check for out of ringbuf space by ensuring producer position - * doesn't advance more than (ringbuf_size - 1) ahead + while (pend_pos < prod_pos) { + hdr = (void *)rb->data + (pend_pos & rb->mask); + hdr_len = READ_ONCE(hdr->len); + if (hdr_len & BPF_RINGBUF_BUSY_BIT) + break; + tmp_size = hdr_len & ~BPF_RINGBUF_DISCARD_BIT; + tmp_size = round_up(tmp_size + BPF_RINGBUF_HDR_SZ, 8); + pend_pos += tmp_size; + } + rb->pending_pos = pend_pos; + + /* check for out of ringbuf space: + * - by ensuring producer position doesn't advance more than + * (ringbuf_size - 1) ahead + * - by ensuring oldest not yet committed record until newest + * record does not span more than (ringbuf_size - 1) */ - if (new_prod_pos - cons_pos > rb->mask) { + if (new_prod_pos - cons_pos > rb->mask || + new_prod_pos - pend_pos > rb->mask) { spin_unlock_irqrestore(&rb->spinlock, flags); return NULL; } diff --git a/kernel/bpf/trampoline.c b/kernel/bpf/trampoline.c index 4fa75791b4..1bffee0458 100644 --- a/kernel/bpf/trampoline.c +++ b/kernel/bpf/trampoline.c @@ -108,18 +108,6 @@ static void bpf_trampoline_module_put(struct bpf_trampoline *tr) tr->mod = NULL; } -static int is_ftrace_location(void *ip) -{ - long addr; - - addr = ftrace_location((long)ip); - if (!addr) - return 0; - if (WARN_ON_ONCE(addr != (long)ip)) - return -EFAULT; - return 1; -} - static int unregister_fentry(struct bpf_trampoline *tr, void *old_addr) { void *ip = tr->func.addr; @@ -151,12 +139,12 @@ static int modify_fentry(struct bpf_trampoline *tr, void *old_addr, void *new_ad static int register_fentry(struct bpf_trampoline *tr, void *new_addr) { void *ip = tr->func.addr; + unsigned long faddr; int ret; - ret = is_ftrace_location(ip); - if (ret < 0) - return ret; - tr->func.ftrace_managed = ret; + faddr = ftrace_location((unsigned long)ip); + if (faddr) + tr->func.ftrace_managed = true; if (bpf_trampoline_module_get(tr)) return -ENOENT; diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 07ca1157f9..e29c0581f9 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -3159,6 +3159,8 @@ static int check_stack_read_fixed_off(struct bpf_verifier_env *env, continue; if (type == STACK_MISC) continue; + if (type == STACK_INVALID && env->allow_uninit_stack) + continue; verbose(env, "invalid read from stack off %d+%d size %d\n", off, i, size); return -EACCES; @@ -3196,6 +3198,8 @@ static int check_stack_read_fixed_off(struct bpf_verifier_env *env, continue; if (type == STACK_ZERO) continue; + if (type == STACK_INVALID && env->allow_uninit_stack) + continue; verbose(env, "invalid read from stack off %d+%d size %d\n", off, i, size); return -EACCES; @@ -4782,7 +4786,8 @@ static int check_stack_range_initialized( stype = &state->stack[spi].slot_type[slot % BPF_REG_SIZE]; if (*stype == STACK_MISC) goto mark; - if (*stype == STACK_ZERO) { + if ((*stype == STACK_ZERO) || + (*stype == STACK_INVALID && env->allow_uninit_stack)) { if (clobber) { /* helper can write anything into the stack */ *stype = STACK_MISC; @@ -10625,6 +10630,10 @@ static bool stacksafe(struct bpf_verifier_env *env, struct bpf_func_state *old, if (old->stack[spi].slot_type[i % BPF_REG_SIZE] == STACK_INVALID) continue; + if (env->allow_uninit_stack && + old->stack[spi].slot_type[i % BPF_REG_SIZE] == STACK_MISC) + continue; + /* explored stack has more populated slots than current stack * and these slots were used */ @@ -12812,10 +12821,14 @@ static int jit_subprogs(struct bpf_verifier_env *env) * bpf_prog_load will add the kallsyms for the main program. */ for (i = 1; i < env->subprog_cnt; i++) { - bpf_prog_lock_ro(func[i]); - bpf_prog_kallsyms_add(func[i]); + err = bpf_prog_lock_ro(func[i]); + if (err) + goto out_free; } + for (i = 1; i < env->subprog_cnt; i++) + bpf_prog_kallsyms_add(func[i]); + /* Last step: make now unused interpreter insns from main * prog consistent for later dump requests, so they can * later look the same as if they were interpreted only. @@ -14000,7 +14013,7 @@ int bpf_check(struct bpf_prog **prog, union bpf_attr *attr, bpfptr_t uattr) /* 'struct bpf_verifier_env' can be global, but since it's not small, * allocate/free it every time bpf_check() is called */ - env = kzalloc(sizeof(struct bpf_verifier_env), GFP_KERNEL); + env = kvzalloc(sizeof(struct bpf_verifier_env), GFP_KERNEL); if (!env) return -ENOMEM; log = &env->log; @@ -14215,6 +14228,6 @@ int bpf_check(struct bpf_prog **prog, union bpf_attr *attr, bpfptr_t uattr) mutex_unlock(&bpf_verifier_lock); vfree(env->insn_aux_data); err_free_env: - kfree(env); + kvfree(env); return ret; } diff --git a/kernel/cgroup/cgroup-internal.h b/kernel/cgroup/cgroup-internal.h index d8fcc139ac..f38f56b8cc 100644 --- a/kernel/cgroup/cgroup-internal.h +++ b/kernel/cgroup/cgroup-internal.h @@ -172,7 +172,8 @@ extern struct list_head cgroup_roots; /* iterate across the hierarchies */ #define for_each_root(root) \ - list_for_each_entry((root), &cgroup_roots, root_list) + list_for_each_entry_rcu((root), &cgroup_roots, root_list, \ + lockdep_is_held(&cgroup_mutex)) /** * for_each_subsys - iterate all enabled cgroup subsystems diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index be467aea45..9ba87c5de1 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -1332,7 +1332,7 @@ static void cgroup_exit_root_id(struct cgroup_root *root) void cgroup_free_root(struct cgroup_root *root) { - kfree(root); + kfree_rcu(root, rcu); } static void cgroup_destroy_root(struct cgroup_root *root) @@ -1365,7 +1365,7 @@ static void cgroup_destroy_root(struct cgroup_root *root) spin_unlock_irq(&css_set_lock); if (!list_empty(&root->root_list)) { - list_del(&root->root_list); + list_del_rcu(&root->root_list); cgroup_root_count--; } @@ -1411,7 +1411,6 @@ current_cgns_cgroup_from_root(struct cgroup_root *root) } rcu_read_unlock(); - BUG_ON(!res); return res; } @@ -1421,7 +1420,6 @@ static struct cgroup *cset_cgroup_from_root(struct css_set *cset, { struct cgroup *res = NULL; - lockdep_assert_held(&cgroup_mutex); lockdep_assert_held(&css_set_lock); if (cset == &init_css_set) { @@ -1447,7 +1445,9 @@ static struct cgroup *cset_cgroup_from_root(struct css_set *cset, /* * Return the cgroup for "task" from the given hierarchy. Must be - * called with cgroup_mutex and css_set_lock held. + * called with css_set_lock held to prevent task's groups from being modified. + * Must be called with either cgroup_mutex or rcu read lock to prevent the + * cgroup root from being destroyed. */ struct cgroup *task_cgroup_from_root(struct task_struct *task, struct cgroup_root *root) @@ -1802,9 +1802,9 @@ int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask) RCU_INIT_POINTER(scgrp->subsys[ssid], NULL); rcu_assign_pointer(dcgrp->subsys[ssid], css); ss->root = dst_root; - css->cgroup = dcgrp; spin_lock_irq(&css_set_lock); + css->cgroup = dcgrp; WARN_ON(!list_empty(&dcgrp->e_csets[ss->id])); list_for_each_entry_safe(cset, cset_pos, &scgrp->e_csets[ss->id], e_cset_node[ss->id]) { @@ -1986,7 +1986,7 @@ void init_cgroup_root(struct cgroup_fs_context *ctx) struct cgroup_root *root = ctx->root; struct cgroup *cgrp = &root->cgrp; - INIT_LIST_HEAD(&root->root_list); + INIT_LIST_HEAD_RCU(&root->root_list); atomic_set(&root->nr_cgrps, 1); cgrp->root = root; init_cgroup_housekeeping(cgrp); @@ -2068,7 +2068,7 @@ int cgroup_setup_root(struct cgroup_root *root, u16 ss_mask) * care of subsystems' refcounts, which are explicitly dropped in * the failure exit path. */ - list_add(&root->root_list, &cgroup_roots); + list_add_rcu(&root->root_list, &cgroup_roots); cgroup_root_count++; /* @@ -5527,7 +5527,7 @@ static bool cgroup_check_hierarchy_limits(struct cgroup *parent) { struct cgroup *cgroup; int ret = false; - int level = 1; + int level = 0; lockdep_assert_held(&cgroup_mutex); @@ -5535,7 +5535,7 @@ static bool cgroup_check_hierarchy_limits(struct cgroup *parent) if (cgroup->nr_descendants >= cgroup->max_descendants) goto fail; - if (level > cgroup->max_depth) + if (level >= cgroup->max_depth) goto fail; level++; diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 82df5a07a8..d6e70aa7e1 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -22,6 +22,7 @@ * distribution for more details. */ +#include "cgroup-internal.h" #include #include #include @@ -3780,10 +3781,14 @@ int proc_cpuset_show(struct seq_file *m, struct pid_namespace *ns, if (!buf) goto out; - css = task_get_css(tsk, cpuset_cgrp_id); - retval = cgroup_path_ns(css->cgroup, buf, PATH_MAX, - current->nsproxy->cgroup_ns); - css_put(css); + rcu_read_lock(); + spin_lock_irq(&css_set_lock); + css = task_css(tsk, cpuset_cgrp_id); + retval = cgroup_path_ns_locked(css->cgroup, buf, PATH_MAX, + current->nsproxy->cgroup_ns); + spin_unlock_irq(&css_set_lock); + rcu_read_unlock(); + if (retval >= PATH_MAX) retval = -ENAMETOOLONG; if (retval < 0) diff --git a/kernel/cpu.c b/kernel/cpu.c index 1c370f87d8..acf16e3426 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -2058,7 +2058,7 @@ EXPORT_SYMBOL_GPL(__cpuhp_state_add_instance); * The caller needs to hold cpus read locked while calling this function. * Return: * On success: - * Positive state number if @state is CPUHP_AP_ONLINE_DYN; + * Positive state number if @state is CPUHP_AP_ONLINE_DYN or CPUHP_BP_PREPARE_DYN; * 0 for all other states * On failure: proper (negative) error code */ @@ -2081,7 +2081,7 @@ int __cpuhp_setup_state_cpuslocked(enum cpuhp_state state, ret = cpuhp_store_callbacks(state, name, startup, teardown, multi_instance); - dynstate = state == CPUHP_AP_ONLINE_DYN; + dynstate = state == CPUHP_AP_ONLINE_DYN || state == CPUHP_BP_PREPARE_DYN; if (ret > 0 && dynstate) { state = ret; ret = 0; @@ -2112,8 +2112,8 @@ int __cpuhp_setup_state_cpuslocked(enum cpuhp_state state, out: mutex_unlock(&cpuhp_state_mutex); /* - * If the requested state is CPUHP_AP_ONLINE_DYN, return the - * dynamically allocated state in case of success. + * If the requested state is CPUHP_AP_ONLINE_DYN or CPUHP_BP_PREPARE_DYN, + * return the dynamically allocated state in case of success. */ if (!ret && dynstate) return state; diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c index a3b4b55d2e..b28b8a5ef6 100644 --- a/kernel/debug/kdb/kdb_io.c +++ b/kernel/debug/kdb/kdb_io.c @@ -194,7 +194,7 @@ char kdb_getchar(void) */ static void kdb_position_cursor(char *prompt, char *buffer, char *cp) { - kdb_printf("\r%s", kdb_prompt_str); + kdb_printf("\r%s", prompt); if (cp > buffer) kdb_printf("%.*s", (int)(cp - buffer), buffer); } @@ -358,7 +358,7 @@ static char *kdb_read(char *buffer, size_t bufsize) if (i >= dtab_count) kdb_printf("..."); kdb_printf("\n"); - kdb_printf(kdb_prompt_str); + kdb_printf("%s", kdb_prompt_str); kdb_printf("%s", buffer); if (cp != lastchar) kdb_position_cursor(kdb_prompt_str, buffer, cp); @@ -450,7 +450,7 @@ char *kdb_getstr(char *buffer, size_t bufsize, const char *prompt) { if (prompt && kdb_prompt_str != prompt) strscpy(kdb_prompt_str, prompt, CMD_BUFLEN); - kdb_printf(kdb_prompt_str); + kdb_printf("%s", kdb_prompt_str); kdb_nextline = 1; /* Prompt and input resets line number */ return kdb_read(buffer, bufsize); } diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c index 3d63d91cba..6ea80ae426 100644 --- a/kernel/dma/contiguous.c +++ b/kernel/dma/contiguous.c @@ -399,8 +399,6 @@ static const struct reserved_mem_ops rmem_cma_ops = { static int __init rmem_cma_setup(struct reserved_mem *rmem) { - phys_addr_t align = PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order); - phys_addr_t mask = align - 1; unsigned long node = rmem->fdt_node; bool default_cma = of_get_flat_dt_prop(node, "linux,cma-default", NULL); struct cma *cma; @@ -416,7 +414,7 @@ static int __init rmem_cma_setup(struct reserved_mem *rmem) of_get_flat_dt_prop(node, "no-map", NULL)) return -EINVAL; - if ((rmem->base & mask) || (rmem->size & mask)) { + if (!IS_ALIGNED(rmem->base | rmem->size, CMA_MIN_ALIGNMENT_BYTES)) { pr_err("Reserved memory: incorrect alignment of CMA region\n"); return -EINVAL; } diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c index 1f9a8cee42..09ccb4d6bc 100644 --- a/kernel/dma/debug.c +++ b/kernel/dma/debug.c @@ -447,8 +447,11 @@ void debug_dma_dump_mappings(struct device *dev) * dma_active_cacheline entry to track per event. dma_map_sg(), on the * other hand, consumes a single dma_debug_entry, but inserts 'nents' * entries into the tree. + * + * Use __GFP_NOWARN because the printk from an OOM, to netconsole, could end + * up right back in the DMA debugging code, leading to a deadlock. */ -static RADIX_TREE(dma_active_cacheline, GFP_ATOMIC); +static RADIX_TREE(dma_active_cacheline, GFP_ATOMIC | __GFP_NOWARN); static DEFINE_SPINLOCK(radix_lock); #define ACTIVE_CACHELINE_MAX_OVERLAP ((1 << RADIX_TREE_MAX_TAGS) - 1) #define CACHELINE_PER_PAGE_SHIFT (PAGE_SHIFT - L1_CACHE_SHIFT) diff --git a/kernel/dma/map_benchmark.c b/kernel/dma/map_benchmark.c index b7f8bb7a1e..b96d4fb840 100644 --- a/kernel/dma/map_benchmark.c +++ b/kernel/dma/map_benchmark.c @@ -112,6 +112,22 @@ static int map_benchmark_thread(void *data) atomic64_add(map_sq, &map->sum_sq_map); atomic64_add(unmap_sq, &map->sum_sq_unmap); atomic64_inc(&map->loops); + + /* + * We may test for a long time so periodically check whether + * we need to schedule to avoid starving the others. Otherwise + * we may hangup the kernel in a non-preemptible kernel when + * the test kthreads number >= CPU number, the test kthreads + * will run endless on every CPU since the thread resposible + * for notifying the kthread stop (in do_map_benchmark()) + * could not be scheduled. + * + * Note this may degrade the test concurrency since the test + * threads may need to share the CPU time with other load + * in the system. So it's recommended to run this benchmark + * on an idle system. + */ + cond_resched(); } out: @@ -275,6 +291,9 @@ static long map_benchmark_ioctl(struct file *file, unsigned int cmd, * dma_mask changed by benchmark */ dma_set_mask(map->dev, old_dma_mask); + + if (ret) + return ret; break; default: return -EINVAL; diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index c9dbc8f581..9e1a724ae7 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -62,8 +62,8 @@ void dmam_free_coherent(struct device *dev, size_t size, void *vaddr, { struct dma_devres match_data = { size, vaddr, dma_handle }; - dma_free_coherent(dev, size, vaddr, dma_handle); WARN_ON(devres_destroy(dev, dmam_release, dmam_match, &match_data)); + dma_free_coherent(dev, size, vaddr, dma_handle); } EXPORT_SYMBOL(dmam_free_coherent); diff --git a/kernel/events/core.c b/kernel/events/core.c index e79cd0fd1d..fa6b18e05b 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -1368,8 +1368,9 @@ static void put_ctx(struct perf_event_context *ctx) * perf_event_context::mutex * perf_event::child_mutex; * perf_event_context::lock - * perf_event::mmap_mutex * mmap_lock + * perf_event::mmap_mutex + * perf_buffer::aux_mutex * perf_addr_filters_head::lock * * cpu_hotplug_lock @@ -2395,18 +2396,14 @@ event_sched_out(struct perf_event *event, } if (event->pending_sigtrap) { - bool dec = true; - event->pending_sigtrap = 0; if (state != PERF_EVENT_STATE_OFF && - !event->pending_work) { + !event->pending_work && + !task_work_add(current, &event->pending_task, TWA_RESUME)) { event->pending_work = 1; - dec = false; - WARN_ON_ONCE(!atomic_long_inc_not_zero(&event->refcount)); - task_work_add(current, &event->pending_task, TWA_RESUME); - } - if (dec) + } else { local_dec(&event->ctx->nr_pending); + } } perf_event_set_state(event, state); @@ -4163,7 +4160,11 @@ static void perf_adjust_period(struct perf_event *event, u64 nsec, u64 count, bo period = perf_calculate_period(event, nsec, count); delta = (s64)(period - hwc->sample_period); - delta = (delta + 7) / 8; /* low pass filter */ + if (delta >= 0) + delta += 7; + else + delta -= 7; + delta /= 8; /* low pass filter */ sample_period = hwc->sample_period + delta; @@ -5101,9 +5102,35 @@ static bool exclusive_event_installable(struct perf_event *event, static void perf_addr_filters_splice(struct perf_event *event, struct list_head *head); +static void perf_pending_task_sync(struct perf_event *event) +{ + struct callback_head *head = &event->pending_task; + + if (!event->pending_work) + return; + /* + * If the task is queued to the current task's queue, we + * obviously can't wait for it to complete. Simply cancel it. + */ + if (task_work_cancel(current, head)) { + event->pending_work = 0; + local_dec(&event->ctx->nr_pending); + return; + } + + /* + * All accesses related to the event are within the same + * non-preemptible section in perf_pending_task(). The RCU + * grace period before the event is freed will make sure all + * those accesses are complete by then. + */ + rcuwait_wait_event(&event->pending_work_wait, !event->pending_work, TASK_UNINTERRUPTIBLE); +} + static void _free_event(struct perf_event *event) { irq_work_sync(&event->pending_irq); + perf_pending_task_sync(event); unaccount_event(event); @@ -5276,6 +5303,7 @@ int perf_event_release_kernel(struct perf_event *event) again: mutex_lock(&event->child_mutex); list_for_each_entry(child, &event->child_list, child_list) { + void *var = NULL; /* * Cannot change, child events are not migrated, see the @@ -5316,11 +5344,23 @@ int perf_event_release_kernel(struct perf_event *event) * this can't be the last reference. */ put_event(event); + } else { + var = &ctx->refcount; } mutex_unlock(&event->child_mutex); mutex_unlock(&ctx->mutex); put_ctx(ctx); + + if (var) { + /* + * If perf_event_free_task() has deleted all events from the + * ctx while the child_mutex got released above, make sure to + * notify about the preceding put_ctx(). + */ + smp_mb(); /* pairs with wait_var_event() */ + wake_up_var(var); + } goto again; } mutex_unlock(&event->child_mutex); @@ -6240,12 +6280,11 @@ static void perf_mmap_close(struct vm_area_struct *vma) event->pmu->event_unmapped(event, vma->vm_mm); /* - * rb->aux_mmap_count will always drop before rb->mmap_count and - * event->mmap_count, so it is ok to use event->mmap_mutex to - * serialize with perf_mmap here. + * The AUX buffer is strictly a sub-buffer, serialize using aux_mutex + * to avoid complications. */ if (rb_has_aux(rb) && vma->vm_pgoff == rb->aux_pgoff && - atomic_dec_and_mutex_lock(&rb->aux_mmap_count, &event->mmap_mutex)) { + atomic_dec_and_mutex_lock(&rb->aux_mmap_count, &rb->aux_mutex)) { /* * Stop all AUX events that are writing to this buffer, * so that we can free its AUX pages and corresponding PMU @@ -6262,7 +6301,7 @@ static void perf_mmap_close(struct vm_area_struct *vma) rb_free_aux(rb); WARN_ON_ONCE(refcount_read(&rb->aux_refcount)); - mutex_unlock(&event->mmap_mutex); + mutex_unlock(&rb->aux_mutex); } if (atomic_dec_and_test(&rb->mmap_count)) @@ -6350,6 +6389,7 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) struct perf_event *event = file->private_data; unsigned long user_locked, user_lock_limit; struct user_struct *user = current_user(); + struct mutex *aux_mutex = NULL; struct perf_buffer *rb = NULL; unsigned long locked, lock_limit; unsigned long vma_size; @@ -6388,6 +6428,8 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) return -EINVAL; nr_pages = vma_size / PAGE_SIZE; + if (nr_pages > INT_MAX) + return -ENOMEM; mutex_lock(&event->mmap_mutex); ret = -EINVAL; @@ -6396,6 +6438,9 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) if (!rb) goto aux_unlock; + aux_mutex = &rb->aux_mutex; + mutex_lock(aux_mutex); + aux_offset = READ_ONCE(rb->user_page->aux_offset); aux_size = READ_ONCE(rb->user_page->aux_size); @@ -6546,6 +6591,8 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) atomic_dec(&rb->mmap_count); } aux_unlock: + if (aux_mutex) + mutex_unlock(aux_mutex); mutex_unlock(&event->mmap_mutex); /* @@ -6718,24 +6765,28 @@ static void perf_pending_task(struct callback_head *head) struct perf_event *event = container_of(head, struct perf_event, pending_task); int rctx; + /* + * All accesses to the event must belong to the same implicit RCU read-side + * critical section as the ->pending_work reset. See comment in + * perf_pending_task_sync(). + */ + preempt_disable_notrace(); /* * If we 'fail' here, that's OK, it means recursion is already disabled * and we won't recurse 'further'. */ - preempt_disable_notrace(); rctx = perf_swevent_get_recursion_context(); if (event->pending_work) { event->pending_work = 0; perf_sigtrap(event); local_dec(&event->ctx->nr_pending); + rcuwait_wake_up(&event->pending_work_wait); } if (rctx >= 0) perf_swevent_put_recursion_context(rctx); preempt_enable_notrace(); - - put_event(event); } /* @@ -9153,21 +9204,19 @@ static void perf_event_bpf_emit_ksymbols(struct bpf_prog *prog, bool unregister = type == PERF_BPF_EVENT_PROG_UNLOAD; int i; - if (prog->aux->func_cnt == 0) { - perf_event_ksymbol(PERF_RECORD_KSYMBOL_TYPE_BPF, - (u64)(unsigned long)prog->bpf_func, - prog->jited_len, unregister, - prog->aux->ksym.name); - } else { - for (i = 0; i < prog->aux->func_cnt; i++) { - struct bpf_prog *subprog = prog->aux->func[i]; - - perf_event_ksymbol( - PERF_RECORD_KSYMBOL_TYPE_BPF, - (u64)(unsigned long)subprog->bpf_func, - subprog->jited_len, unregister, - subprog->aux->ksym.name); - } + perf_event_ksymbol(PERF_RECORD_KSYMBOL_TYPE_BPF, + (u64)(unsigned long)prog->bpf_func, + prog->jited_len, unregister, + prog->aux->ksym.name); + + for (i = 1; i < prog->aux->func_cnt; i++) { + struct bpf_prog *subprog = prog->aux->func[i]; + + perf_event_ksymbol( + PERF_RECORD_KSYMBOL_TYPE_BPF, + (u64)(unsigned long)subprog->bpf_func, + subprog->jited_len, unregister, + subprog->aux->ksym.name); } } @@ -11773,6 +11822,7 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu, init_waitqueue_head(&event->waitq); init_irq_work(&event->pending_irq, perf_pending_irq); init_task_work(&event->pending_task, perf_pending_task); + rcuwait_init(&event->pending_work_wait); mutex_init(&event->mmap_mutex); raw_spin_lock_init(&event->addr_filters.lock); diff --git a/kernel/events/internal.h b/kernel/events/internal.h index 5150d5f84c..f376b05732 100644 --- a/kernel/events/internal.h +++ b/kernel/events/internal.h @@ -40,6 +40,7 @@ struct perf_buffer { struct user_struct *mmap_user; /* AUX area */ + struct mutex aux_mutex; long aux_head; unsigned int aux_nest; long aux_wakeup; /* last aux_watermark boundary crossed by aux_head */ @@ -128,7 +129,7 @@ static inline unsigned long perf_data_size(struct perf_buffer *rb) static inline unsigned long perf_aux_size(struct perf_buffer *rb) { - return rb->aux_nr_pages << PAGE_SHIFT; + return (unsigned long)rb->aux_nr_pages << PAGE_SHIFT; } #define __DEFINE_OUTPUT_COPY_BODY(advance_buf, memcpy_func, ...) \ diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c index 45965f1375..98588e96b5 100644 --- a/kernel/events/ring_buffer.c +++ b/kernel/events/ring_buffer.c @@ -332,6 +332,8 @@ ring_buffer_init(struct perf_buffer *rb, long watermark, int flags) */ if (!rb->nr_pages) rb->paused = 1; + + mutex_init(&rb->aux_mutex); } void perf_aux_output_flag(struct perf_output_handle *handle, u64 flags) @@ -683,7 +685,9 @@ int rb_alloc_aux(struct perf_buffer *rb, struct perf_event *event, * max_order, to aid PMU drivers in double buffering. */ if (!watermark) - watermark = nr_pages << (PAGE_SHIFT - 1); + watermark = min_t(unsigned long, + U32_MAX, + (unsigned long)nr_pages << (PAGE_SHIFT - 1)); /* * Use aux_watermark as the basis for chunking to diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index af24dc3feb..b37a6bde8a 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -1484,7 +1484,7 @@ static struct xol_area *__create_xol_area(unsigned long vaddr) uprobe_opcode_t insn = UPROBE_SWBP_INSN; struct xol_area *area; - area = kmalloc(sizeof(*area), GFP_KERNEL); + area = kzalloc(sizeof(*area), GFP_KERNEL); if (unlikely(!area)) goto out; @@ -1494,9 +1494,8 @@ static struct xol_area *__create_xol_area(unsigned long vaddr) goto free_area; area->xol_mapping.name = "[uprobes]"; - area->xol_mapping.fault = NULL; area->xol_mapping.pages = area->pages; - area->pages[0] = alloc_page(GFP_HIGHUSER); + area->pages[0] = alloc_page(GFP_HIGHUSER | __GFP_ZERO); if (!area->pages[0]) goto free_bitmap; area->pages[1] = NULL; diff --git a/kernel/exit.c b/kernel/exit.c index 80efdfda66..890e5cb679 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -432,6 +432,8 @@ void mm_update_next_owner(struct mm_struct *mm) * Search through everything else, we should not get here often. */ for_each_process(g) { + if (atomic_read(&mm->mm_users) <= 1) + break; if (g->flags & PF_KTHREAD) continue; for_each_thread(g, c) { diff --git a/kernel/fork.c b/kernel/fork.c index 753e641f61..23ffcf8a85 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -97,6 +97,7 @@ #include #include #include +#include #include #include @@ -1547,28 +1548,25 @@ static int copy_fs(unsigned long clone_flags, struct task_struct *tsk) static int copy_files(unsigned long clone_flags, struct task_struct *tsk) { struct files_struct *oldf, *newf; - int error = 0; /* * A background process may not have any files ... */ oldf = current->files; if (!oldf) - goto out; + return 0; if (clone_flags & CLONE_FILES) { atomic_inc(&oldf->count); - goto out; + return 0; } - newf = dup_fd(oldf, NR_OPEN_MAX, &error); - if (!newf) - goto out; + newf = dup_fd(oldf, NULL); + if (IS_ERR(newf)) + return PTR_ERR(newf); tsk->files = newf; - error = 0; -out: - return error; + return 0; } static int copy_io(unsigned long clone_flags, struct task_struct *tsk) @@ -2129,6 +2127,7 @@ static __latent_entropy struct task_struct *copy_process( acct_clear_integrals(p); posix_cputimers_init(&p->posix_cputimers); + tick_dep_init_task(p); p->io_context = NULL; audit_set_context(p, NULL); @@ -3024,17 +3023,16 @@ static int unshare_fs(unsigned long unshare_flags, struct fs_struct **new_fsp) /* * Unshare file descriptor table if it is being shared */ -int unshare_fd(unsigned long unshare_flags, unsigned int max_fds, - struct files_struct **new_fdp) +static int unshare_fd(unsigned long unshare_flags, struct files_struct **new_fdp) { struct files_struct *fd = current->files; - int error = 0; if ((unshare_flags & CLONE_FILES) && (fd && atomic_read(&fd->count) > 1)) { - *new_fdp = dup_fd(fd, max_fds, &error); - if (!*new_fdp) - return error; + fd = dup_fd(fd, NULL); + if (IS_ERR(fd)) + return PTR_ERR(fd); + *new_fdp = fd; } return 0; @@ -3092,7 +3090,7 @@ int ksys_unshare(unsigned long unshare_flags) err = unshare_fs(unshare_flags, &new_fs); if (err) goto bad_unshare_out; - err = unshare_fd(unshare_flags, NR_OPEN_MAX, &new_fd); + err = unshare_fd(unshare_flags, &new_fd); if (err) goto bad_unshare_cleanup_fs; err = unshare_userns(unshare_flags, &new_cred); @@ -3187,7 +3185,7 @@ int unshare_files(void) struct files_struct *old, *copy = NULL; int error; - error = unshare_fd(CLONE_FILES, NR_OPEN_MAX, ©); + error = unshare_fd(CLONE_FILES, ©); if (error || !copy) return error; diff --git a/kernel/gcov/gcc_4_7.c b/kernel/gcov/gcc_4_7.c index 74a4ef1da9..fd75b4a484 100644 --- a/kernel/gcov/gcc_4_7.c +++ b/kernel/gcov/gcc_4_7.c @@ -18,7 +18,9 @@ #include #include "gcov.h" -#if (__GNUC__ >= 10) +#if (__GNUC__ >= 14) +#define GCOV_COUNTERS 9 +#elif (__GNUC__ >= 10) #define GCOV_COUNTERS 8 #elif (__GNUC__ >= 7) #define GCOV_COUNTERS 9 diff --git a/kernel/gen_kheaders.sh b/kernel/gen_kheaders.sh index 1966a749e0..c618e37cce 100755 --- a/kernel/gen_kheaders.sh +++ b/kernel/gen_kheaders.sh @@ -81,12 +81,9 @@ find $cpio_dir -type f -print0 | xargs -0 -P8 -n1 perl -pi -e 'BEGIN {undef $/;}; s/\/\*((?!SPDX).)*?\*\///smg;' # Create archive and try to normalize metadata for reproducibility. -# For compatibility with older versions of tar, files are fed to tar -# pre-sorted, as --sort=name might not be available. -find $cpio_dir -printf "./%P\n" | LC_ALL=C sort | \ - tar "${KBUILD_BUILD_TIMESTAMP:+--mtime=$KBUILD_BUILD_TIMESTAMP}" \ - --owner=0 --group=0 --numeric-owner --no-recursion \ - -I $XZ -cf $tarfile -C $cpio_dir/ -T - > /dev/null +tar "${KBUILD_BUILD_TIMESTAMP:+--mtime=$KBUILD_BUILD_TIMESTAMP}" \ + --owner=0 --group=0 --sort=name --numeric-owner --mode=u=rw,go=r,a+X \ + -I $XZ -cf $tarfile -C $cpio_dir/ . > /dev/null echo $headers_md5 > kernel/kheaders.md5 echo "$this_file_md5" >> kernel/kheaders.md5 diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index f3920374f7..0a893df1b8 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -38,7 +38,7 @@ struct irqaction chained_action = { * @irq: irq number * @chip: pointer to irq chip description structure */ -int irq_set_chip(unsigned int irq, struct irq_chip *chip) +int irq_set_chip(unsigned int irq, const struct irq_chip *chip) { unsigned long flags; struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0); @@ -46,10 +46,7 @@ int irq_set_chip(unsigned int irq, struct irq_chip *chip) if (!desc) return -EINVAL; - if (!chip) - chip = &no_irq_chip; - - desc->irq_data.chip = chip; + desc->irq_data.chip = (struct irq_chip *)(chip ?: &no_irq_chip); irq_put_desc_unlock(desc, flags); /* * For !CONFIG_SPARSE_IRQ make the irq show up in @@ -1075,7 +1072,7 @@ irq_set_chained_handler_and_data(unsigned int irq, irq_flow_handler_t handle, EXPORT_SYMBOL_GPL(irq_set_chained_handler_and_data); void -irq_set_chip_and_handler_name(unsigned int irq, struct irq_chip *chip, +irq_set_chip_and_handler_name(unsigned int irq, const struct irq_chip *chip, irq_flow_handler_t handle, const char *name) { irq_set_chip(irq, chip); @@ -1559,6 +1556,17 @@ int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) return 0; } +static struct device *irq_get_parent_device(struct irq_data *data) +{ + if (data->chip->parent_device) + return data->chip->parent_device; + + if (data->domain) + return data->domain->dev; + + return NULL; +} + /** * irq_chip_pm_get - Enable power for an IRQ chip * @data: Pointer to interrupt specific data @@ -1568,12 +1576,13 @@ int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) */ int irq_chip_pm_get(struct irq_data *data) { + struct device *dev = irq_get_parent_device(data); int retval; - if (IS_ENABLED(CONFIG_PM) && data->chip->parent_device) { - retval = pm_runtime_get_sync(data->chip->parent_device); + if (IS_ENABLED(CONFIG_PM) && dev) { + retval = pm_runtime_get_sync(dev); if (retval < 0) { - pm_runtime_put_noidle(data->chip->parent_device); + pm_runtime_put_noidle(dev); return retval; } } @@ -1591,10 +1600,11 @@ int irq_chip_pm_get(struct irq_data *data) */ int irq_chip_pm_put(struct irq_data *data) { + struct device *dev = irq_get_parent_device(data); int retval = 0; - if (IS_ENABLED(CONFIG_PM) && data->chip->parent_device) - retval = pm_runtime_put(data->chip->parent_device); + if (IS_ENABLED(CONFIG_PM) && dev) + retval = pm_runtime_put(dev); return (retval < 0) ? retval : 0; } diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 7a45fd5932..d5010a24ed 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -493,6 +493,7 @@ static int alloc_descs(unsigned int start, unsigned int cnt, int node, flags = IRQD_AFFINITY_MANAGED | IRQD_MANAGED_SHUTDOWN; } + flags |= IRQD_AFFINITY_SET; mask = &affinity->mask; node = cpu_to_node(cpumask_first(mask)); affinity++; diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index e0b67784ac..4ac1c01346 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -153,7 +153,6 @@ static struct irq_domain *__irq_domain_create(struct fwnode_handle *fwnode, switch (fwid->type) { case IRQCHIP_FWNODE_NAMED: case IRQCHIP_FWNODE_NAMED_ID: - domain->fwnode = fwnode; domain->name = kstrdup(fwid->name, GFP_KERNEL); if (!domain->name) { kfree(domain); @@ -162,7 +161,6 @@ static struct irq_domain *__irq_domain_create(struct fwnode_handle *fwnode, domain->flags |= IRQ_DOMAIN_NAME_ALLOCATED; break; default: - domain->fwnode = fwnode; domain->name = fwid->name; break; } @@ -184,7 +182,6 @@ static struct irq_domain *__irq_domain_create(struct fwnode_handle *fwnode, strreplace(name, '/', ':'); domain->name = name; - domain->fwnode = fwnode; domain->flags |= IRQ_DOMAIN_NAME_ALLOCATED; } @@ -200,8 +197,8 @@ static struct irq_domain *__irq_domain_create(struct fwnode_handle *fwnode, domain->flags |= IRQ_DOMAIN_NAME_ALLOCATED; } - fwnode_handle_get(fwnode); - fwnode_dev_initialized(fwnode, true); + domain->fwnode = fwnode_handle_get(fwnode); + fwnode_dev_initialized(domain->fwnode, true); /* Fill structure */ INIT_RADIX_TREE(&domain->revmap_tree, GFP_KERNEL); diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 9862372e0f..b46fbfbb92 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1330,7 +1330,7 @@ static int irq_thread(void *data) * synchronize_hardirq(). So neither IRQTF_RUNTHREAD nor the * oneshot mask bit can be set. */ - task_work_cancel(current, irq_thread_dtor); + task_work_cancel_func(current, irq_thread_dtor); return 0; } diff --git a/kernel/kcov.c b/kernel/kcov.c index 80bfe71bbe..9e89b34321 100644 --- a/kernel/kcov.c +++ b/kernel/kcov.c @@ -151,6 +151,15 @@ static void kcov_remote_area_put(struct kcov_remote_area *area, list_add(&area->list, &kcov_remote_areas); } +/* + * Unlike in_serving_softirq(), this function returns false when called during + * a hardirq or an NMI that happened in the softirq context. + */ +static inline bool in_softirq_really(void) +{ + return in_serving_softirq() && !in_hardirq() && !in_nmi(); +} + static notrace bool check_kcov_mode(enum kcov_mode needed_mode, struct task_struct *t) { unsigned int mode; @@ -160,7 +169,7 @@ static notrace bool check_kcov_mode(enum kcov_mode needed_mode, struct task_stru * so we ignore code executed in interrupts, unless we are in a remote * coverage collection section in a softirq. */ - if (!in_task() && !(in_serving_softirq() && t->kcov_softirq)) + if (!in_task() && !(in_softirq_really() && t->kcov_softirq)) return false; mode = READ_ONCE(t->kcov_mode); /* @@ -635,6 +644,7 @@ static int kcov_ioctl_locked(struct kcov *kcov, unsigned int cmd, return -EINVAL; kcov->mode = mode; t->kcov = kcov; + t->kcov_mode = KCOV_MODE_REMOTE; kcov->t = t; kcov->remote = true; kcov->remote_size = remote_arg->area_size; @@ -821,7 +831,7 @@ void kcov_remote_start(u64 handle) if (WARN_ON(!kcov_check_handle(handle, true, true, true))) return; - if (!in_task() && !in_serving_softirq()) + if (!in_task() && !in_softirq_really()) return; local_irq_save(flags); @@ -962,7 +972,7 @@ void kcov_remote_stop(void) int sequence; unsigned long flags; - if (!in_task() && !in_serving_softirq()) + if (!in_task() && !in_softirq_really()) return; local_irq_save(flags); diff --git a/kernel/kprobes.c b/kernel/kprobes.c index af57705e1f..0d463859ad 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -1526,14 +1526,10 @@ static inline int warn_kprobe_rereg(struct kprobe *p) int __weak arch_check_ftrace_location(struct kprobe *p) { - unsigned long ftrace_addr; + unsigned long addr = (unsigned long)p->addr; - ftrace_addr = ftrace_location((unsigned long)p->addr); - if (ftrace_addr) { + if (ftrace_location(addr) == addr) { #ifdef CONFIG_KPROBES_ON_FTRACE - /* Given address is not on the instruction boundary */ - if ((unsigned long)p->addr != ftrace_addr) - return -EILSEQ; p->flags |= KPROBE_FLAG_FTRACE; #else /* !CONFIG_KPROBES_ON_FTRACE */ return -EINVAL; @@ -1549,8 +1545,8 @@ static bool is_cfi_preamble_symbol(unsigned long addr) if (lookup_symbol_name(addr, symbuf)) return false; - return str_has_prefix("__cfi_", symbuf) || - str_has_prefix("__pfx_", symbuf); + return str_has_prefix(symbuf, "__cfi_") || + str_has_prefix(symbuf, "__pfx_"); } static int check_kprobe_address_safe(struct kprobe *p, diff --git a/kernel/kthread.c b/kernel/kthread.c index 4cc6897b7c..51e5a4891b 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -578,6 +578,8 @@ void kthread_unpark(struct task_struct *k) { struct kthread *kthread = to_kthread(k); + if (!test_bit(KTHREAD_SHOULD_PARK, &kthread->flags)) + return; /* * Newly created kthread was parked when the CPU was offline. * The binding was lost and we need to set it again. @@ -781,8 +783,16 @@ int kthread_worker_fn(void *worker_ptr) * event only cares about the address. */ trace_sched_kthread_work_execute_end(work, func); - } else if (!freezing(current)) + } else if (!freezing(current)) { schedule(); + } else { + /* + * Handle the case where the current remains + * TASK_INTERRUPTIBLE. try_to_freeze() expects + * the current to be TASK_RUNNING. + */ + __set_current_state(TASK_RUNNING); + } try_to_freeze(); cond_resched(); diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 770ff5bf14..f0c6ddeae2 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -6028,25 +6028,27 @@ static struct pending_free *get_pending_free(void) static void free_zapped_rcu(struct rcu_head *cb); /* - * Schedule an RCU callback if no RCU callback is pending. Must be called with - * the graph lock held. - */ -static void call_rcu_zapped(struct pending_free *pf) +* See if we need to queue an RCU callback, must called with +* the lockdep lock held, returns false if either we don't have +* any pending free or the callback is already scheduled. +* Otherwise, a call_rcu() must follow this function call. +*/ +static bool prepare_call_rcu_zapped(struct pending_free *pf) { WARN_ON_ONCE(inside_selftest()); if (list_empty(&pf->zapped)) - return; + return false; if (delayed_free.scheduled) - return; + return false; delayed_free.scheduled = true; WARN_ON_ONCE(delayed_free.pf + delayed_free.index != pf); delayed_free.index ^= 1; - call_rcu(&delayed_free.rcu_head, free_zapped_rcu); + return true; } /* The caller must hold the graph lock. May be called from RCU context. */ @@ -6072,6 +6074,7 @@ static void free_zapped_rcu(struct rcu_head *ch) { struct pending_free *pf; unsigned long flags; + bool need_callback; if (WARN_ON_ONCE(ch != &delayed_free.rcu_head)) return; @@ -6083,14 +6086,18 @@ static void free_zapped_rcu(struct rcu_head *ch) pf = delayed_free.pf + (delayed_free.index ^ 1); __free_zapped_classes(pf); delayed_free.scheduled = false; + need_callback = + prepare_call_rcu_zapped(delayed_free.pf + delayed_free.index); + lockdep_unlock(); + raw_local_irq_restore(flags); /* - * If there's anything on the open list, close and start a new callback. - */ - call_rcu_zapped(delayed_free.pf + delayed_free.index); + * If there's pending free and its callback has not been scheduled, + * queue an RCU callback. + */ + if (need_callback) + call_rcu(&delayed_free.rcu_head, free_zapped_rcu); - lockdep_unlock(); - raw_local_irq_restore(flags); } /* @@ -6130,6 +6137,7 @@ static void lockdep_free_key_range_reg(void *start, unsigned long size) { struct pending_free *pf; unsigned long flags; + bool need_callback; init_data_structures_once(); @@ -6137,10 +6145,11 @@ static void lockdep_free_key_range_reg(void *start, unsigned long size) lockdep_lock(); pf = get_pending_free(); __lockdep_free_key_range(pf, start, size); - call_rcu_zapped(pf); + need_callback = prepare_call_rcu_zapped(pf); lockdep_unlock(); raw_local_irq_restore(flags); - + if (need_callback) + call_rcu(&delayed_free.rcu_head, free_zapped_rcu); /* * Wait for any possible iterators from look_up_lock_class() to pass * before continuing to free the memory they refer to. @@ -6234,6 +6243,7 @@ static void lockdep_reset_lock_reg(struct lockdep_map *lock) struct pending_free *pf; unsigned long flags; int locked; + bool need_callback = false; raw_local_irq_save(flags); locked = graph_lock(); @@ -6242,11 +6252,13 @@ static void lockdep_reset_lock_reg(struct lockdep_map *lock) pf = get_pending_free(); __lockdep_reset_lock(pf, lock); - call_rcu_zapped(pf); + need_callback = prepare_call_rcu_zapped(pf); graph_unlock(); out_irq: raw_local_irq_restore(flags); + if (need_callback) + call_rcu(&delayed_free.rcu_head, free_zapped_rcu); } /* @@ -6290,6 +6302,7 @@ void lockdep_unregister_key(struct lock_class_key *key) struct pending_free *pf; unsigned long flags; bool found = false; + bool need_callback = false; might_sleep(); @@ -6310,11 +6323,14 @@ void lockdep_unregister_key(struct lock_class_key *key) if (found) { pf = get_pending_free(); __lockdep_free_key_range(pf, key, 1); - call_rcu_zapped(pf); + need_callback = prepare_call_rcu_zapped(pf); } lockdep_unlock(); raw_local_irq_restore(flags); + if (need_callback) + call_rcu(&delayed_free.rcu_head, free_zapped_rcu); + /* Wait until is_dynamic_key() has finished accessing k->hash_entry. */ synchronize_rcu(); } diff --git a/kernel/locking/mutex-debug.c b/kernel/locking/mutex-debug.c index bc8abb8549..6e6f6071cf 100644 --- a/kernel/locking/mutex-debug.c +++ b/kernel/locking/mutex-debug.c @@ -12,6 +12,7 @@ */ #include #include +#include #include #include #include @@ -89,6 +90,17 @@ void debug_mutex_init(struct mutex *lock, const char *name, lock->magic = lock; } +static void devm_mutex_release(void *res) +{ + mutex_destroy(res); +} + +int __devm_mutex_init(struct device *dev, struct mutex *lock) +{ + return devm_add_action_or_reset(dev, devm_mutex_release, lock); +} +EXPORT_SYMBOL_GPL(__devm_mutex_init); + /*** * mutex_destroy - mark a mutex unusable * @lock: the mutex to be destroyed diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c index ee5be1dda0..cf72ef77bf 100644 --- a/kernel/locking/rtmutex.c +++ b/kernel/locking/rtmutex.c @@ -1613,6 +1613,7 @@ static int __sched rt_mutex_slowlock_block(struct rt_mutex_base *lock, } static void __sched rt_mutex_handle_deadlock(int res, int detect_deadlock, + struct rt_mutex_base *lock, struct rt_mutex_waiter *w) { /* @@ -1625,10 +1626,10 @@ static void __sched rt_mutex_handle_deadlock(int res, int detect_deadlock, if (build_ww_mutex() && w->ww_ctx) return; - /* - * Yell loudly and stop the task right here. - */ + raw_spin_unlock_irq(&lock->wait_lock); + WARN(1, "rtmutex deadlock detected\n"); + while (1) { set_current_state(TASK_INTERRUPTIBLE); schedule(); @@ -1680,7 +1681,7 @@ static int __sched __rt_mutex_slowlock(struct rt_mutex_base *lock, } else { __set_current_state(TASK_RUNNING); remove_waiter(lock, waiter); - rt_mutex_handle_deadlock(ret, chwalk, waiter); + rt_mutex_handle_deadlock(ret, chwalk, lock, waiter); } /* diff --git a/kernel/locking/rwsem.c b/kernel/locking/rwsem.c index 4a38d32b89..eca42c14ec 100644 --- a/kernel/locking/rwsem.c +++ b/kernel/locking/rwsem.c @@ -1286,7 +1286,7 @@ static inline int __down_read_trylock(struct rw_semaphore *sem) /* * lock for writing */ -static inline int __down_write_common(struct rw_semaphore *sem, int state) +static __always_inline int __down_write_common(struct rw_semaphore *sem, int state) { if (unlikely(!rwsem_write_trylock(sem))) { if (IS_ERR(rwsem_down_write_slowpath(sem, state))) @@ -1296,12 +1296,12 @@ static inline int __down_write_common(struct rw_semaphore *sem, int state) return 0; } -static inline void __down_write(struct rw_semaphore *sem) +static __always_inline void __down_write(struct rw_semaphore *sem) { __down_write_common(sem, TASK_UNINTERRUPTIBLE); } -static inline int __down_write_killable(struct rw_semaphore *sem) +static __always_inline int __down_write_killable(struct rw_semaphore *sem) { return __down_write_common(sem, TASK_KILLABLE); } diff --git a/kernel/padata.c b/kernel/padata.c index 47f146f061..39faea30d7 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -98,7 +98,7 @@ static int __init padata_work_alloc_mt(int nworks, void *data, { int i; - spin_lock(&padata_works_lock); + spin_lock_bh(&padata_works_lock); /* Start at 1 because the current task participates in the job. */ for (i = 1; i < nworks; ++i) { struct padata_work *pw = padata_work_alloc(); @@ -108,7 +108,7 @@ static int __init padata_work_alloc_mt(int nworks, void *data, padata_work_init(pw, padata_mt_helper, data, 0); list_add(&pw->pw_list, head); } - spin_unlock(&padata_works_lock); + spin_unlock_bh(&padata_works_lock); return i; } @@ -126,12 +126,12 @@ static void __init padata_works_free(struct list_head *works) if (list_empty(works)) return; - spin_lock(&padata_works_lock); + spin_lock_bh(&padata_works_lock); list_for_each_entry_safe(cur, next, works, pw_list) { list_del(&cur->pw_list); padata_work_free(cur); } - spin_unlock(&padata_works_lock); + spin_unlock_bh(&padata_works_lock); } static void padata_parallel_worker(struct work_struct *parallel_work) @@ -396,7 +396,8 @@ void padata_do_serial(struct padata_priv *padata) /* Sort in ascending order of sequence number. */ list_for_each_prev(pos, &reorder->list) { cur = list_entry(pos, struct padata_priv, list); - if (cur->seq_nr < padata->seq_nr) + /* Compare by difference to consider integer wrap around */ + if ((signed int)(cur->seq_nr - padata->seq_nr) < 0) break; } list_add(&padata->list, pos); @@ -503,11 +504,21 @@ void __init padata_do_multithreaded(struct padata_mt_job *job) * thread function. Load balance large jobs between threads by * increasing the number of chunks, guarantee at least the minimum * chunk size from the caller, and honor the caller's alignment. + * Ensure chunk_size is at least 1 to prevent divide-by-0 + * panic in padata_mt_helper(). */ ps.chunk_size = job->size / (ps.nworks * load_balance_factor); ps.chunk_size = max(ps.chunk_size, job->min_chunk); + ps.chunk_size = max(ps.chunk_size, 1ul); ps.chunk_size = roundup(ps.chunk_size, job->align); + /* + * chunk_size can be 0 if the caller sets min_chunk to 0. So force it + * to at least 1 to prevent divide-by-0 panic in padata_mt_helper().` + */ + if (!ps.chunk_size) + ps.chunk_size = 1U; + list_for_each_entry(pw, &works, pw_list) queue_work(system_unbound_wq, &pw->pw_work); diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c index 259fc4ca0d..40b011f880 100644 --- a/kernel/pid_namespace.c +++ b/kernel/pid_namespace.c @@ -214,6 +214,7 @@ void zap_pid_ns_processes(struct pid_namespace *pid_ns) */ do { clear_thread_flag(TIF_SIGPENDING); + clear_thread_flag(TIF_NOTIFY_SIGNAL); rc = kernel_wait4(-1, NULL, __WALL, NULL); } while (rc != -ECHILD); diff --git a/kernel/profile.c b/kernel/profile.c index 0db1122855..e9a1efe18c 100644 --- a/kernel/profile.c +++ b/kernel/profile.c @@ -57,24 +57,10 @@ static DEFINE_MUTEX(profile_flip_mutex); int profile_setup(char *str) { static const char schedstr[] = "schedule"; - static const char sleepstr[] = "sleep"; static const char kvmstr[] = "kvm"; int par; - if (!strncmp(str, sleepstr, strlen(sleepstr))) { -#ifdef CONFIG_SCHEDSTATS - force_schedstat_enabled(); - prof_on = SLEEP_PROFILING; - if (str[strlen(sleepstr)] == ',') - str += strlen(sleepstr) + 1; - if (get_option(&str, &par)) - prof_shift = clamp(par, 0, BITS_PER_LONG - 1); - pr_info("kernel sleep profiling enabled (shift: %u)\n", - prof_shift); -#else - pr_warn("kernel sleep profiling requires CONFIG_SCHEDSTATS\n"); -#endif /* CONFIG_SCHEDSTATS */ - } else if (!strncmp(str, schedstr, strlen(schedstr))) { + if (!strncmp(str, schedstr, strlen(schedstr))) { prof_on = SCHED_PROFILING; if (str[strlen(schedstr)] == ',') str += strlen(schedstr) + 1; diff --git a/kernel/rcu/rcuscale.c b/kernel/rcu/rcuscale.c index a83cb29d37..f90955dc15 100644 --- a/kernel/rcu/rcuscale.c +++ b/kernel/rcu/rcuscale.c @@ -428,7 +428,7 @@ rcu_scale_writer(void *arg) udelay(writer_holdoff); wdp = &wdpp[i]; *wdp = ktime_get_mono_fast_ns(); - if (gp_async) { + if (gp_async && !WARN_ON_ONCE(!cur_ops->async)) { retry: if (!rhp) rhp = kmalloc(sizeof(*rhp), GFP_KERNEL); @@ -484,7 +484,7 @@ rcu_scale_writer(void *arg) i++; rcu_scale_wait_shutdown(); } while (!torture_must_stop()); - if (gp_async) { + if (gp_async && cur_ops->async) { cur_ops->gp_barrier(); } writer_n_durations[me] = i_max + 1; diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index d820ef6154..a3bab6af40 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -1604,7 +1604,8 @@ static bool rcu_torture_one_read(struct torture_random_state *trsp, long myid) preempt_disable(); pipe_count = READ_ONCE(p->rtort_pipe_count); if (pipe_count > RCU_TORTURE_PIPE_LEN) { - /* Should not happen, but... */ + // Should not happen in a correct RCU implementation, + // happens quite often for torture_type=busted. pipe_count = RCU_TORTURE_PIPE_LEN; } completed = cur_ops->get_gp_seq(); @@ -2060,8 +2061,8 @@ static int rcu_torture_stall(void *args) preempt_disable(); pr_alert("%s start on CPU %d.\n", __func__, raw_smp_processor_id()); - while (ULONG_CMP_LT((unsigned long)ktime_get_seconds(), - stop_at)) + while (ULONG_CMP_LT((unsigned long)ktime_get_seconds(), stop_at) && + !kthread_should_stop()) if (stall_cpu_block) { #ifdef CONFIG_PREEMPTION preempt_schedule(); @@ -2185,7 +2186,7 @@ static void rcu_torture_fwd_cb_cr(struct rcu_head *rhp) spin_lock_irqsave(&rfp->rcu_fwd_lock, flags); rfcpp = rfp->rcu_fwd_cb_tail; rfp->rcu_fwd_cb_tail = &rfcp->rfc_next; - WRITE_ONCE(*rfcpp, rfcp); + smp_store_release(rfcpp, rfcp); WRITE_ONCE(rfp->n_launders_cb, rfp->n_launders_cb + 1); i = ((jiffies - rfp->rcu_fwd_startat) / (HZ / FWD_CBS_HIST_DIV)); if (i >= ARRAY_SIZE(rfp->n_launders_hist)) @@ -2532,11 +2533,12 @@ static void rcu_torture_barrier_cbf(struct rcu_head *rcu) } /* IPI handler to get callback posted on desired CPU, if online. */ -static void rcu_torture_barrier1cb(void *rcu_void) +static int rcu_torture_barrier1cb(void *rcu_void) { struct rcu_head *rhp = rcu_void; cur_ops->call(rhp, rcu_torture_barrier_cbf); + return 0; } /* kthread function to register callbacks used to test RCU barriers. */ @@ -2562,11 +2564,9 @@ static int rcu_torture_barrier_cbs(void *arg) * The above smp_load_acquire() ensures barrier_phase load * is ordered before the following ->call(). */ - if (smp_call_function_single(myid, rcu_torture_barrier1cb, - &rcu, 1)) { - // IPI failed, so use direct call from current CPU. + if (smp_call_on_cpu(myid, rcu_torture_barrier1cb, &rcu, 1)) cur_ops->call(&rcu, rcu_torture_barrier_cbf); - } + if (atomic_dec_and_test(&barrier_cbs_count)) wake_up(&barrier_wq); } while (!torture_must_stop()); diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h index b24ef77325..0e50ec9ded 100644 --- a/kernel/rcu/tasks.h +++ b/kernel/rcu/tasks.h @@ -1323,7 +1323,7 @@ void show_rcu_tasks_trace_gp_kthread(void) { char buf[64]; - sprintf(buf, "N%d h:%lu/%lu/%lu", atomic_read(&trc_n_readers_need_end), + snprintf(buf, sizeof(buf), "N%d h:%lu/%lu/%lu", atomic_read(&trc_n_readers_need_end), data_race(n_heavy_reader_ofl_updates), data_race(n_heavy_reader_updates), data_race(n_heavy_reader_attempts)); diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 2da96d8b89..f27d3e3fe4 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -205,7 +205,6 @@ struct rcu_data { struct swait_queue_head nocb_state_wq; /* For offloading state changes */ struct task_struct *nocb_gp_kthread; raw_spinlock_t nocb_lock; /* Guard following pair of fields. */ - atomic_t nocb_lock_contended; /* Contention experienced. */ int nocb_defer_wakeup; /* Defer wakeup of nocb_kthread. */ struct timer_list nocb_timer; /* Enforce finite deferral. */ unsigned long nocb_gp_adv_time; /* Last call_rcu() CB adv (jiffies). */ diff --git a/kernel/rcu/tree_nocb.h b/kernel/rcu/tree_nocb.h index 8fdf44f852..d170dc1f37 100644 --- a/kernel/rcu/tree_nocb.h +++ b/kernel/rcu/tree_nocb.h @@ -88,8 +88,7 @@ module_param(nocb_nobypass_lim_per_jiffy, int, 0); /* * Acquire the specified rcu_data structure's ->nocb_bypass_lock. If the - * lock isn't immediately available, increment ->nocb_lock_contended to - * flag the contention. + * lock isn't immediately available, perform minimal sanity check. */ static void rcu_nocb_bypass_lock(struct rcu_data *rdp) __acquires(&rdp->nocb_bypass_lock) @@ -97,29 +96,12 @@ static void rcu_nocb_bypass_lock(struct rcu_data *rdp) lockdep_assert_irqs_disabled(); if (raw_spin_trylock(&rdp->nocb_bypass_lock)) return; - atomic_inc(&rdp->nocb_lock_contended); + /* + * Contention expected only when local enqueue collide with + * remote flush from kthreads. + */ WARN_ON_ONCE(smp_processor_id() != rdp->cpu); - smp_mb__after_atomic(); /* atomic_inc() before lock. */ raw_spin_lock(&rdp->nocb_bypass_lock); - smp_mb__before_atomic(); /* atomic_dec() after lock. */ - atomic_dec(&rdp->nocb_lock_contended); -} - -/* - * Spinwait until the specified rcu_data structure's ->nocb_lock is - * not contended. Please note that this is extremely special-purpose, - * relying on the fact that at most two kthreads and one CPU contend for - * this lock, and also that the two kthreads are guaranteed to have frequent - * grace-period-duration time intervals between successive acquisitions - * of the lock. This allows us to use an extremely simple throttling - * mechanism, and further to apply it only to the CPU doing floods of - * call_rcu() invocations. Don't try this at home! - */ -static void rcu_nocb_wait_contended(struct rcu_data *rdp) -{ - WARN_ON_ONCE(smp_processor_id() != rdp->cpu); - while (WARN_ON_ONCE(atomic_read(&rdp->nocb_lock_contended))) - cpu_relax(); } /* @@ -457,7 +439,6 @@ static bool rcu_nocb_try_bypass(struct rcu_data *rdp, struct rcu_head *rhp, } // We need to use the bypass. - rcu_nocb_wait_contended(rdp); rcu_nocb_bypass_lock(rdp); ncbs = rcu_cblist_n_cbs(&rdp->nocb_bypass); rcu_segcblist_inc_len(&rdp->cblist); /* Must precede enqueue. */ @@ -1361,12 +1342,11 @@ static void show_rcu_nocb_state(struct rcu_data *rdp) sprintf(bufw, "%ld", rsclp->gp_seq[RCU_WAIT_TAIL]); sprintf(bufr, "%ld", rsclp->gp_seq[RCU_NEXT_READY_TAIL]); - pr_info(" CB %d^%d->%d %c%c%c%c%c%c F%ld L%ld C%d %c%c%s%c%s%c%c q%ld %c CPU %d%s\n", + pr_info(" CB %d^%d->%d %c%c%c%c%c F%ld L%ld C%d %c%c%s%c%s%c%c q%ld %c CPU %d%s\n", rdp->cpu, rdp->nocb_gp_rdp->cpu, rdp->nocb_next_cb_rdp ? rdp->nocb_next_cb_rdp->cpu : -1, "kK"[!!rdp->nocb_cb_kthread], "bB"[raw_spin_is_locked(&rdp->nocb_bypass_lock)], - "cC"[!!atomic_read(&rdp->nocb_lock_contended)], "lL"[raw_spin_is_locked(&rdp->nocb_lock)], "sS"[!!rdp->nocb_cb_sleep], ".W"[swait_active(&rdp->nocb_cb_wq)], diff --git a/kernel/resource.c b/kernel/resource.c index cb441e3e76..972bf1bf4d 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -480,20 +480,62 @@ EXPORT_SYMBOL_GPL(page_is_ram); static int __region_intersects(resource_size_t start, size_t size, unsigned long flags, unsigned long desc) { - struct resource res; + resource_size_t ostart, oend; int type = 0; int other = 0; - struct resource *p; + struct resource *p, *dp; + bool is_type, covered; + struct resource res; res.start = start; res.end = start + size - 1; for (p = iomem_resource.child; p ; p = p->sibling) { - bool is_type = (((p->flags & flags) == flags) && - ((desc == IORES_DESC_NONE) || - (desc == p->desc))); - - if (resource_overlaps(p, &res)) - is_type ? type++ : other++; + if (!resource_overlaps(p, &res)) + continue; + is_type = (p->flags & flags) == flags && + (desc == IORES_DESC_NONE || desc == p->desc); + if (is_type) { + type++; + continue; + } + /* + * Continue to search in descendant resources as if the + * matched descendant resources cover some ranges of 'p'. + * + * |------------- "CXL Window 0" ------------| + * |-- "System RAM" --| + * + * will behave similar as the following fake resource + * tree when searching "System RAM". + * + * |-- "System RAM" --||-- "CXL Window 0a" --| + */ + covered = false; + ostart = max(res.start, p->start); + oend = min(res.end, p->end); + for (dp = p->child; dp; dp = next_resource(dp)) { + if (!resource_overlaps(dp, &res)) + continue; + is_type = (dp->flags & flags) == flags && + (desc == IORES_DESC_NONE || desc == dp->desc); + if (is_type) { + type++; + /* + * Range from 'ostart' to 'dp->start' + * isn't covered by matched resource. + */ + if (dp->start > ostart) + break; + if (dp->end >= oend) { + covered = true; + break; + } + /* Remove covered range */ + ostart = max(ostart, dp->end + 1); + } + } + if (!covered) + other++; } if (type == 0) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index b43da6201b..21b4f96d80 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1203,27 +1203,24 @@ int tg_nop(struct task_group *tg, void *data) static void set_load_weight(struct task_struct *p, bool update_load) { int prio = p->static_prio - MAX_RT_PRIO; - struct load_weight *load = &p->se.load; + struct load_weight lw; - /* - * SCHED_IDLE tasks get minimal weight: - */ if (task_has_idle_policy(p)) { - load->weight = scale_load(WEIGHT_IDLEPRIO); - load->inv_weight = WMULT_IDLEPRIO; - return; + lw.weight = scale_load(WEIGHT_IDLEPRIO); + lw.inv_weight = WMULT_IDLEPRIO; + } else { + lw.weight = scale_load(sched_prio_to_weight[prio]); + lw.inv_weight = sched_prio_to_wmult[prio]; } /* * SCHED_OTHER tasks have to update their load when changing their * weight */ - if (update_load && p->sched_class == &fair_sched_class) { - reweight_task(p, prio); - } else { - load->weight = scale_load(sched_prio_to_weight[prio]); - load->inv_weight = sched_prio_to_wmult[prio]; - } + if (update_load && p->sched_class == &fair_sched_class) + reweight_task(p, &lw); + else + p->se.load = lw; } #ifdef CONFIG_UCLAMP_TASK @@ -9104,6 +9101,22 @@ static int cpuset_cpu_inactive(unsigned int cpu) return 0; } +static inline void sched_smt_present_inc(int cpu) +{ +#ifdef CONFIG_SCHED_SMT + if (cpumask_weight(cpu_smt_mask(cpu)) == 2) + static_branch_inc_cpuslocked(&sched_smt_present); +#endif +} + +static inline void sched_smt_present_dec(int cpu) +{ +#ifdef CONFIG_SCHED_SMT + if (cpumask_weight(cpu_smt_mask(cpu)) == 2) + static_branch_dec_cpuslocked(&sched_smt_present); +#endif +} + int sched_cpu_activate(unsigned int cpu) { struct rq *rq = cpu_rq(cpu); @@ -9115,13 +9128,10 @@ int sched_cpu_activate(unsigned int cpu) */ balance_push_set(cpu, false); -#ifdef CONFIG_SCHED_SMT /* * When going up, increment the number of cores with SMT present. */ - if (cpumask_weight(cpu_smt_mask(cpu)) == 2) - static_branch_inc_cpuslocked(&sched_smt_present); -#endif + sched_smt_present_inc(cpu); set_cpu_active(cpu, true); if (sched_smp_initialized) { @@ -9190,13 +9200,12 @@ int sched_cpu_deactivate(unsigned int cpu) } rq_unlock_irqrestore(rq, &rf); -#ifdef CONFIG_SCHED_SMT /* * When going down, decrement the number of cores with SMT present. */ - if (cpumask_weight(cpu_smt_mask(cpu)) == 2) - static_branch_dec_cpuslocked(&sched_smt_present); + sched_smt_present_dec(cpu); +#ifdef CONFIG_SCHED_SMT sched_core_cpu_deactivate(cpu); #endif @@ -9205,6 +9214,7 @@ int sched_cpu_deactivate(unsigned int cpu) ret = cpuset_cpu_inactive(cpu); if (ret) { + sched_smt_present_inc(cpu); balance_push_set(cpu, false); set_cpu_active(cpu, true); return ret; diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index 042a6dbce8..e3022598f7 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -577,6 +577,12 @@ void cputime_adjust(struct task_cputime *curr, struct prev_cputime *prev, } stime = mul_u64_u64_div_u64(stime, rtime, stime + utime); + /* + * Because mul_u64_u64_div_u64() can approximate on some + * achitectures; enforce the constraint that: a*b/(b+c) <= a. + */ + if (unlikely(stime > rtime)) + stime = rtime; update: /* diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 94fcd585eb..68793b50ad 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -988,16 +988,6 @@ update_stats_enqueue_sleeper(struct cfs_rq *cfs_rq, struct sched_entity *se) trace_sched_stat_blocked(tsk, delta); - /* - * Blocking time is in units of nanosecs, so shift by - * 20 to get a milliseconds-range estimation of the - * amount of time that the task spent sleeping: - */ - if (unlikely(prof_on == SLEEP_PROFILING)) { - profile_hits(SLEEP_PROFILING, - (void *)get_wchan(tsk), - delta >> 20); - } account_scheduler_latency(tsk, delta >> 10, 0); } } @@ -3121,15 +3111,14 @@ static void reweight_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, } -void reweight_task(struct task_struct *p, int prio) +void reweight_task(struct task_struct *p, const struct load_weight *lw) { struct sched_entity *se = &p->se; struct cfs_rq *cfs_rq = cfs_rq_of(se); struct load_weight *load = &se->load; - unsigned long weight = scale_load(sched_prio_to_weight[prio]); - reweight_entity(cfs_rq, se, weight); - load->inv_weight = sched_prio_to_wmult[prio]; + reweight_entity(cfs_rq, se, lw->weight); + load->inv_weight = lw->inv_weight; } #ifdef CONFIG_FAIR_GROUP_SCHED @@ -8242,7 +8231,7 @@ static int detach_tasks(struct lb_env *env) case migrate_util: util = task_util_est(p); - if (util > env->imbalance) + if (shr_bound(util, env->sd->nr_balance_failed) > env->imbalance) goto next; env->imbalance -= util; diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 5061093d9b..48bcc1876d 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -2322,7 +2322,7 @@ extern void init_sched_dl_class(void); extern void init_sched_rt_class(void); extern void init_sched_fair_class(void); -extern void reweight_task(struct task_struct *p, int prio); +extern void reweight_task(struct task_struct *p, const struct load_weight *lw); extern void resched_curr(struct rq *rq); extern void resched_cpu(int cpu); diff --git a/kernel/signal.c b/kernel/signal.c index c7dbb19219..8fc1da3824 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1932,10 +1932,11 @@ struct sigqueue *sigqueue_alloc(void) void sigqueue_free(struct sigqueue *q) { - unsigned long flags; spinlock_t *lock = ¤t->sighand->siglock; + unsigned long flags; - BUG_ON(!(q->flags & SIGQUEUE_PREALLOC)); + if (WARN_ON_ONCE(!(q->flags & SIGQUEUE_PREALLOC))) + return; /* * We must hold ->siglock while testing q->list * to serialize with collect_signal() or with @@ -1963,7 +1964,10 @@ int send_sigqueue(struct sigqueue *q, struct pid *pid, enum pid_type type) unsigned long flags; int ret, result; - BUG_ON(!(q->flags & SIGQUEUE_PREALLOC)); + if (WARN_ON_ONCE(!(q->flags & SIGQUEUE_PREALLOC))) + return 0; + if (WARN_ON_ONCE(q->info.si_code != SI_TIMER)) + return 0; ret = -1; rcu_read_lock(); @@ -1982,7 +1986,6 @@ int send_sigqueue(struct sigqueue *q, struct pid *pid, enum pid_type type) * If an SI_TIMER entry is already queue just increment * the overrun count. */ - BUG_ON(q->info.si_code != SI_TIMER); q->info.si_overrun++; result = TRACE_SIGNAL_ALREADY_PENDING; goto out; @@ -2579,6 +2582,14 @@ static void do_freezer_trap(void) spin_unlock_irq(¤t->sighand->siglock); cgroup_enter_frozen(); freezable_schedule(); + + /* + * We could've been woken by task_work, run it to clear + * TIF_NOTIFY_SIGNAL. The caller will retry if necessary. + */ + clear_notify_signal(); + if (unlikely(READ_ONCE(current->task_works))) + task_work_run(); } static int ptrace_signal(int signr, kernel_siginfo_t *info) diff --git a/kernel/smp.c b/kernel/smp.c index 8282534543..b60525b34a 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -1233,6 +1233,7 @@ int smp_call_on_cpu(unsigned int cpu, int (*func)(void *), void *par, bool phys) queue_work_on(cpu, system_wq, &sscs.work); wait_for_completion(&sscs.done); + destroy_work_on_stack(&sscs.work); return sscs.ret; } diff --git a/kernel/static_call_inline.c b/kernel/static_call_inline.c index dc5665b628..6f566fe27e 100644 --- a/kernel/static_call_inline.c +++ b/kernel/static_call_inline.c @@ -400,6 +400,17 @@ static void static_call_del_module(struct module *mod) for (site = start; site < stop; site++) { key = static_call_key(site); + + /* + * If the key was not updated due to a memory allocation + * failure in __static_call_init() then treating key::sites + * as key::mods in the code below would cause random memory + * access and #GP. In that case all subsequent sites have + * not been touched either, so stop iterating. + */ + if (!static_call_key_has_mods(key)) + break; + if (key == prev_key) continue; @@ -431,7 +442,7 @@ static int static_call_module_notify(struct notifier_block *nb, case MODULE_STATE_COMING: ret = static_call_add_module(mod); if (ret) { - WARN(1, "Failed to allocate memory for static calls"); + pr_warn("Failed to allocate memory for static calls\n"); static_call_del_module(mod); } break; diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c index 126380696f..8671c37f0d 100644 --- a/kernel/sys_ni.c +++ b/kernel/sys_ni.c @@ -46,8 +46,8 @@ COND_SYSCALL(io_getevents_time32); COND_SYSCALL(io_getevents); COND_SYSCALL(io_pgetevents_time32); COND_SYSCALL(io_pgetevents); -COND_SYSCALL_COMPAT(io_pgetevents_time32); COND_SYSCALL_COMPAT(io_pgetevents); +COND_SYSCALL_COMPAT(io_pgetevents_time64); COND_SYSCALL(io_uring_setup); COND_SYSCALL(io_uring_enter); COND_SYSCALL(io_uring_register); diff --git a/kernel/task_work.c b/kernel/task_work.c index 1698fbe6f0..b8515291f7 100644 --- a/kernel/task_work.c +++ b/kernel/task_work.c @@ -104,9 +104,9 @@ static bool task_work_func_match(struct callback_head *cb, void *data) } /** - * task_work_cancel - cancel a pending work added by task_work_add() - * @task: the task which should execute the work - * @func: identifies the work to remove + * task_work_cancel_func - cancel a pending work matching a function added by task_work_add() + * @task: the task which should execute the func's work + * @func: identifies the func to match with a work to remove * * Find the last queued pending work with ->func == @func and remove * it from queue. @@ -115,11 +115,35 @@ static bool task_work_func_match(struct callback_head *cb, void *data) * The found work or NULL if not found. */ struct callback_head * -task_work_cancel(struct task_struct *task, task_work_func_t func) +task_work_cancel_func(struct task_struct *task, task_work_func_t func) { return task_work_cancel_match(task, task_work_func_match, func); } +static bool task_work_match(struct callback_head *cb, void *data) +{ + return cb == data; +} + +/** + * task_work_cancel - cancel a pending work added by task_work_add() + * @task: the task which should execute the work + * @cb: the callback to remove if queued + * + * Remove a callback from a task's queue if queued. + * + * RETURNS: + * True if the callback was queued and got cancelled, false otherwise. + */ +bool task_work_cancel(struct task_struct *task, struct callback_head *cb) +{ + struct callback_head *ret; + + ret = task_work_cancel_match(task, task_work_match, cb); + + return ret == cb; +} + /** * task_work_run - execute the works added by task_work_add() * @@ -152,7 +176,7 @@ void task_work_run(void) if (!work) break; /* - * Synchronize with task_work_cancel(). It can not remove + * Synchronize with task_work_cancel_match(). It can not remove * the first entry == work, cmpxchg(task_works) must fail. * But it can remove another entry from the ->next list. */ diff --git a/kernel/time/clocksource-wdtest.c b/kernel/time/clocksource-wdtest.c index df922f49d1..d06185e054 100644 --- a/kernel/time/clocksource-wdtest.c +++ b/kernel/time/clocksource-wdtest.c @@ -104,8 +104,8 @@ static void wdtest_ktime_clocksource_reset(void) static int wdtest_func(void *arg) { unsigned long j1, j2; + int i, max_retries; char *s; - int i; schedule_timeout_uninterruptible(holdoff * HZ); @@ -139,18 +139,19 @@ static int wdtest_func(void *arg) WARN_ON_ONCE(time_before(j2, j1 + NSEC_PER_USEC)); /* Verify tsc-like stability with various numbers of errors injected. */ - for (i = 0; i <= max_cswd_read_retries + 1; i++) { - if (i <= 1 && i < max_cswd_read_retries) + max_retries = clocksource_get_max_watchdog_retry(); + for (i = 0; i <= max_retries + 1; i++) { + if (i <= 1 && i < max_retries) s = ""; - else if (i <= max_cswd_read_retries) + else if (i <= max_retries) s = ", expect message"; else s = ", expect clock skew"; - pr_info("--- Watchdog with %dx error injection, %lu retries%s.\n", i, max_cswd_read_retries, s); + pr_info("--- Watchdog with %dx error injection, %d retries%s.\n", i, max_retries, s); WRITE_ONCE(wdtest_ktime_read_ndelays, i); schedule_timeout_uninterruptible(2 * HZ); WARN_ON_ONCE(READ_ONCE(wdtest_ktime_read_ndelays)); - WARN_ON_ONCE((i <= max_cswd_read_retries) != + WARN_ON_ONCE((i <= max_retries) != !(clocksource_wdtest_ktime.flags & CLOCK_SOURCE_UNSTABLE)); wdtest_ktime_clocksource_reset(); } diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index 7d6d87a22a..5aa8eec89e 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -20,6 +20,16 @@ #include "tick-internal.h" #include "timekeeping_internal.h" +static noinline u64 cycles_to_nsec_safe(struct clocksource *cs, u64 start, u64 end) +{ + u64 delta = clocksource_delta(end, start, cs->mask); + + if (likely(delta < cs->max_cycles)) + return clocksource_cyc2ns(delta, cs->mult, cs->shift); + + return mul_u64_u32_shr(delta, cs->mult, cs->shift); +} + /** * clocks_calc_mult_shift - calculate mult/shift factors for scaled math of clocks * @mult: pointer to mult variable @@ -201,9 +211,6 @@ void clocksource_mark_unstable(struct clocksource *cs) spin_unlock_irqrestore(&watchdog_lock, flags); } -ulong max_cswd_read_retries = 3; -module_param(max_cswd_read_retries, ulong, 0644); -EXPORT_SYMBOL_GPL(max_cswd_read_retries); static int verify_n_cpus = 8; module_param(verify_n_cpus, int, 0644); @@ -215,11 +222,12 @@ enum wd_read_status { static enum wd_read_status cs_watchdog_read(struct clocksource *cs, u64 *csnow, u64 *wdnow) { - unsigned int nretries; - u64 wd_end, wd_end2, wd_delta; + unsigned int nretries, max_retries; int64_t wd_delay, wd_seq_delay; + u64 wd_end, wd_end2; - for (nretries = 0; nretries <= max_cswd_read_retries; nretries++) { + max_retries = clocksource_get_max_watchdog_retry(); + for (nretries = 0; nretries <= max_retries; nretries++) { local_irq_disable(); *wdnow = watchdog->read(watchdog); *csnow = cs->read(cs); @@ -227,11 +235,9 @@ static enum wd_read_status cs_watchdog_read(struct clocksource *cs, u64 *csnow, wd_end2 = watchdog->read(watchdog); local_irq_enable(); - wd_delta = clocksource_delta(wd_end, *wdnow, watchdog->mask); - wd_delay = clocksource_cyc2ns(wd_delta, watchdog->mult, - watchdog->shift); + wd_delay = cycles_to_nsec_safe(watchdog, *wdnow, wd_end); if (wd_delay <= WATCHDOG_MAX_SKEW) { - if (nretries > 1 || nretries >= max_cswd_read_retries) { + if (nretries > 1 && nretries >= max_retries) { pr_warn("timekeeping watchdog on CPU%d: %s retried %d times before success\n", smp_processor_id(), watchdog->name, nretries); } @@ -247,8 +253,7 @@ static enum wd_read_status cs_watchdog_read(struct clocksource *cs, u64 *csnow, * report system busy, reinit the watchdog and skip the current * watchdog test. */ - wd_delta = clocksource_delta(wd_end2, wd_end, watchdog->mask); - wd_seq_delay = clocksource_cyc2ns(wd_delta, watchdog->mult, watchdog->shift); + wd_seq_delay = cycles_to_nsec_safe(watchdog, wd_end, wd_end2); if (wd_seq_delay > WATCHDOG_MAX_SKEW/2) goto skip_test; } @@ -359,8 +364,7 @@ void clocksource_verify_percpu(struct clocksource *cs) delta = (csnow_end - csnow_mid) & cs->mask; if (delta < 0) cpumask_set_cpu(cpu, &cpus_ahead); - delta = clocksource_delta(csnow_end, csnow_begin, cs->mask); - cs_nsec = clocksource_cyc2ns(delta, cs->mult, cs->shift); + cs_nsec = cycles_to_nsec_safe(cs, csnow_begin, csnow_end); if (cs_nsec > cs_nsec_max) cs_nsec_max = cs_nsec; if (cs_nsec < cs_nsec_min) @@ -391,8 +395,8 @@ static inline void clocksource_reset_watchdog(void) static void clocksource_watchdog(struct timer_list *unused) { - u64 csnow, wdnow, cslast, wdlast, delta; int64_t wd_nsec, cs_nsec, interval; + u64 csnow, wdnow, cslast, wdlast; int next_cpu, reset_pending; struct clocksource *cs; enum wd_read_status read_ret; @@ -449,12 +453,8 @@ static void clocksource_watchdog(struct timer_list *unused) continue; } - delta = clocksource_delta(wdnow, cs->wd_last, watchdog->mask); - wd_nsec = clocksource_cyc2ns(delta, watchdog->mult, - watchdog->shift); - - delta = clocksource_delta(csnow, cs->cs_last, cs->mask); - cs_nsec = clocksource_cyc2ns(delta, cs->mult, cs->shift); + wd_nsec = cycles_to_nsec_safe(watchdog, cs->wd_last, wdnow); + cs_nsec = cycles_to_nsec_safe(cs, cs->cs_last, csnow); wdlast = cs->wd_last; /* save these in case we print them */ cslast = cs->cs_last; cs->cs_last = csnow; @@ -817,7 +817,7 @@ void clocksource_start_suspend_timing(struct clocksource *cs, u64 start_cycles) */ u64 clocksource_stop_suspend_timing(struct clocksource *cs, u64 cycle_now) { - u64 now, delta, nsec = 0; + u64 now, nsec = 0; if (!suspend_clocksource) return 0; @@ -832,12 +832,8 @@ u64 clocksource_stop_suspend_timing(struct clocksource *cs, u64 cycle_now) else now = suspend_clocksource->read(suspend_clocksource); - if (now > suspend_start) { - delta = clocksource_delta(now, suspend_start, - suspend_clocksource->mask); - nsec = mul_u64_u32_shr(delta, suspend_clocksource->mult, - suspend_clocksource->shift); - } + if (now > suspend_start) + nsec = cycles_to_nsec_safe(suspend_clocksource, suspend_start, now); /* * Disable the suspend timer to save power if current clocksource is diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index 5502c687bd..bdd9041d59 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -1284,6 +1284,8 @@ void hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim, struct hrtimer_clock_base *base; unsigned long flags; + if (WARN_ON_ONCE(!timer->function)) + return; /* * Check whether the HRTIMER_MODE_SOFT bit and hrtimer.is_soft * match on CONFIG_PREEMPT_RT = n. With PREEMPT_RT check the hard diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index 406dccb79c..8d2dd214ec 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -727,17 +727,16 @@ static inline void process_adjtimex_modes(const struct __kernel_timex *txc, } if (txc->modes & ADJ_MAXERROR) - time_maxerror = txc->maxerror; + time_maxerror = clamp(txc->maxerror, 0, NTP_PHASE_LIMIT); if (txc->modes & ADJ_ESTERROR) - time_esterror = txc->esterror; + time_esterror = clamp(txc->esterror, 0, NTP_PHASE_LIMIT); if (txc->modes & ADJ_TIMECONST) { - time_constant = txc->constant; + time_constant = clamp(txc->constant, 0, MAXTC); if (!(time_status & STA_NANO)) time_constant += 4; - time_constant = min(time_constant, (long)MAXTC); - time_constant = max(time_constant, 0l); + time_constant = clamp(time_constant, 0, MAXTC); } if (txc->modes & ADJ_TAI && diff --git a/kernel/time/posix-clock.c b/kernel/time/posix-clock.c index 77c0c2370b..05e73d209a 100644 --- a/kernel/time/posix-clock.c +++ b/kernel/time/posix-clock.c @@ -290,6 +290,9 @@ static int pc_clock_settime(clockid_t id, const struct timespec64 *ts) struct posix_clock_desc cd; int err; + if (!timespec64_valid_strict(ts)) + return -EINVAL; + err = get_clock_desc(id, &cd); if (err) return err; diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index 0916cc9adb..13a71a894c 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -1144,6 +1144,30 @@ void hotplug_cpu__broadcast_tick_pull(int deadcpu) bc = tick_broadcast_device.evtdev; if (bc && broadcast_needs_cpu(bc, deadcpu)) { + /* + * If the broadcast force bit of the current CPU is set, + * then the current CPU has not yet reprogrammed the local + * timer device to avoid a ping-pong race. See + * ___tick_broadcast_oneshot_control(). + * + * If the broadcast device is hrtimer based then + * programming the broadcast event below does not have any + * effect because the local clockevent device is not + * running and not programmed because the broadcast event + * is not earlier than the pending event of the local clock + * event device. As a consequence all CPUs waiting for a + * broadcast event are stuck forever. + * + * Detect this condition and reprogram the cpu local timer + * device to avoid the starvation. + */ + if (tick_check_broadcast_expired()) { + struct tick_device *td = this_cpu_ptr(&tick_cpu_device); + + cpumask_clear_cpu(smp_processor_id(), tick_broadcast_force_mask); + tick_program_event(td->evtdev->next_event, 1); + } + /* This moves the broadcast assignment to this CPU: */ clockevents_program_event(bc, bc->next_event, 1); } diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index e9138cd7a0..7f2b17fc8c 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -179,26 +179,6 @@ void tick_setup_periodic(struct clock_event_device *dev, int broadcast) } } -#ifdef CONFIG_NO_HZ_FULL -static void giveup_do_timer(void *info) -{ - int cpu = *(unsigned int *)info; - - WARN_ON(tick_do_timer_cpu != smp_processor_id()); - - tick_do_timer_cpu = cpu; -} - -static void tick_take_do_timer_from_boot(void) -{ - int cpu = smp_processor_id(); - int from = tick_do_timer_boot_cpu; - - if (from >= 0 && from != cpu) - smp_call_function_single(from, giveup_do_timer, &cpu, 1); -} -#endif - /* * Setup the tick device */ @@ -222,19 +202,25 @@ static void tick_setup_device(struct tick_device *td, tick_next_period = ktime_get(); #ifdef CONFIG_NO_HZ_FULL /* - * The boot CPU may be nohz_full, in which case set - * tick_do_timer_boot_cpu so the first housekeeping - * secondary that comes up will take do_timer from - * us. + * The boot CPU may be nohz_full, in which case the + * first housekeeping secondary will take do_timer() + * from it. */ if (tick_nohz_full_cpu(cpu)) tick_do_timer_boot_cpu = cpu; - } else if (tick_do_timer_boot_cpu != -1 && - !tick_nohz_full_cpu(cpu)) { - tick_take_do_timer_from_boot(); + } else if (tick_do_timer_boot_cpu != -1 && !tick_nohz_full_cpu(cpu)) { tick_do_timer_boot_cpu = -1; - WARN_ON(tick_do_timer_cpu != cpu); + /* + * The boot CPU will stay in periodic (NOHZ disabled) + * mode until clocksource_done_booting() called after + * smp_init() selects a high resolution clocksource and + * timekeeping_notify() kicks the NOHZ stuff alive. + * + * So this WRITE_ONCE can only race with the READ_ONCE + * check in tick_periodic() but this race is harmless. + */ + WRITE_ONCE(tick_do_timer_cpu, cpu); #endif } diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index dfa6649c49..ce3d1377cb 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -2459,7 +2459,7 @@ int do_adjtimex(struct __kernel_timex *txc) clock_set |= timekeeping_advance(TK_ADV_FREQ); if (clock_set) - clock_was_set(CLOCK_REALTIME); + clock_was_set(CLOCK_SET_WALL); ntp_notify_cmos_timer(); diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 4265d125d5..193ca0cf5d 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -991,7 +991,7 @@ config PREEMPTIRQ_DELAY_TEST config SYNTH_EVENT_GEN_TEST tristate "Test module for in-kernel synthetic event generation" - depends on SYNTH_EVENTS + depends on SYNTH_EVENTS && m help This option creates a test module to check the base functionality of in-kernel synthetic event definition and @@ -1004,7 +1004,7 @@ config SYNTH_EVENT_GEN_TEST config KPROBE_EVENT_GEN_TEST tristate "Test module for in-kernel kprobe event generation" - depends on KPROBE_EVENTS + depends on KPROBE_EVENTS && m help This option creates a test module to check the base functionality of in-kernel kprobe event definition. diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index a1dc0ff196..126754b61e 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -1790,8 +1790,6 @@ void perf_event_detach_bpf_prog(struct perf_event *event) old_array = bpf_event_rcu_dereference(event->tp_event->prog_array); ret = bpf_prog_array_copy(old_array, event->prog, NULL, 0, &new_array); - if (ret == -ENOENT) - goto unlock; if (ret < 0) { bpf_prog_array_delete_safe(old_array, event->prog); } else { diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 157a1d2d98..780f1c0563 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -1566,26 +1566,43 @@ static struct dyn_ftrace *lookup_rec(unsigned long start, unsigned long end) unsigned long ftrace_location_range(unsigned long start, unsigned long end) { struct dyn_ftrace *rec; + unsigned long ip = 0; + rcu_read_lock(); rec = lookup_rec(start, end); if (rec) - return rec->ip; + ip = rec->ip; + rcu_read_unlock(); - return 0; + return ip; } /** - * ftrace_location - return true if the ip giving is a traced location + * ftrace_location - return the ftrace location * @ip: the instruction pointer to check * - * Returns rec->ip if @ip given is a pointer to a ftrace location. - * That is, the instruction that is either a NOP or call to - * the function tracer. It checks the ftrace internal tables to - * determine if the address belongs or not. + * If @ip matches the ftrace location, return @ip. + * If @ip matches sym+0, return sym's ftrace location. + * Otherwise, return 0. */ unsigned long ftrace_location(unsigned long ip) { - return ftrace_location_range(ip, ip); + unsigned long loc; + unsigned long offset; + unsigned long size; + + loc = ftrace_location_range(ip, ip); + if (!loc) { + if (!kallsyms_lookup_size_offset(ip, &size, &offset)) + goto out; + + /* map sym+0 to __fentry__ */ + if (!offset) + loc = ftrace_location_range(ip, ip + size - 1); + } + +out: + return loc; } /** @@ -4942,7 +4959,8 @@ ftrace_match_addr(struct ftrace_hash *hash, unsigned long ip, int remove) { struct ftrace_func_entry *entry; - if (!ftrace_location(ip)) + ip = ftrace_location(ip); + if (!ip) return -EINVAL; if (remove) { @@ -5090,11 +5108,16 @@ int register_ftrace_direct(unsigned long ip, unsigned long addr) struct ftrace_func_entry *entry; struct ftrace_hash *free_hash = NULL; struct dyn_ftrace *rec; - int ret = -EBUSY; + int ret = -ENODEV; mutex_lock(&direct_mutex); + ip = ftrace_location(ip); + if (!ip) + goto out_unlock; + /* See if there's a direct function at @ip already */ + ret = -EBUSY; if (ftrace_find_rec_direct(ip)) goto out_unlock; @@ -5223,6 +5246,10 @@ int unregister_ftrace_direct(unsigned long ip, unsigned long addr) mutex_lock(&direct_mutex); + ip = ftrace_location(ip); + if (!ip) + goto out_unlock; + entry = find_direct_entry(&ip, NULL); if (!entry) goto out_unlock; @@ -5354,6 +5381,11 @@ int modify_ftrace_direct(unsigned long ip, mutex_lock(&direct_mutex); mutex_lock(&ftrace_lock); + + ip = ftrace_location(ip); + if (!ip) + goto out_unlock; + entry = find_direct_entry(&ip, &rec); if (!entry) goto out_unlock; @@ -6293,6 +6325,8 @@ static int ftrace_process_locs(struct module *mod, /* We should have used all pages unless we skipped some */ if (pg_unuse) { WARN_ON(!skipped); + /* Need to synchronize with ftrace_location_range() */ + synchronize_rcu(); ftrace_free_pages(pg_unuse); } return ret; @@ -6475,6 +6509,9 @@ void ftrace_release_mod(struct module *mod) out_unlock: mutex_unlock(&ftrace_lock); + /* Need to synchronize with ftrace_location_range() */ + if (tmp_page) + synchronize_rcu(); for (pg = tmp_page; pg; pg = tmp_page) { /* Needs to be called outside of ftrace_lock */ @@ -6797,6 +6834,7 @@ void ftrace_free_mem(struct module *mod, void *start_ptr, void *end_ptr) unsigned long start = (unsigned long)(start_ptr); unsigned long end = (unsigned long)(end_ptr); struct ftrace_page **last_pg = &ftrace_pages_start; + struct ftrace_page *tmp_page = NULL; struct ftrace_page *pg; struct dyn_ftrace *rec; struct dyn_ftrace key; @@ -6840,12 +6878,8 @@ void ftrace_free_mem(struct module *mod, void *start_ptr, void *end_ptr) ftrace_update_tot_cnt--; if (!pg->index) { *last_pg = pg->next; - if (pg->records) { - free_pages((unsigned long)pg->records, pg->order); - ftrace_number_of_pages -= 1 << pg->order; - } - ftrace_number_of_groups--; - kfree(pg); + pg->next = tmp_page; + tmp_page = pg; pg = container_of(last_pg, struct ftrace_page, next); if (!(*last_pg)) ftrace_pages = pg; @@ -6862,6 +6896,11 @@ void ftrace_free_mem(struct module *mod, void *start_ptr, void *end_ptr) clear_func_from_hashes(func); kfree(func); } + /* Need to synchronize with ftrace_location_range() */ + if (tmp_page) { + synchronize_rcu(); + ftrace_free_pages(tmp_page); + } } void __init ftrace_free_init_mem(void) diff --git a/kernel/trace/preemptirq_delay_test.c b/kernel/trace/preemptirq_delay_test.c index 8c4ffd0761..cb0871fbdb 100644 --- a/kernel/trace/preemptirq_delay_test.c +++ b/kernel/trace/preemptirq_delay_test.c @@ -215,4 +215,5 @@ static void __exit preemptirq_delay_exit(void) module_init(preemptirq_delay_init) module_exit(preemptirq_delay_exit) +MODULE_DESCRIPTION("Preempt / IRQ disable delay thread to test latency tracers"); MODULE_LICENSE("GPL v2"); diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index ab56c8a61e..b199b0c7cb 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -2241,6 +2241,10 @@ struct saved_cmdlines_buffer { }; static struct saved_cmdlines_buffer *savedcmd; +/* Holds the size of a cmdline and pid element */ +#define SAVED_CMDLINE_MAP_ELEMENT_SIZE(s) \ + (TASK_COMM_LEN + sizeof((s)->map_cmdline_to_pid[0])) + static inline char *get_saved_cmdlines(int idx) { return &savedcmd->saved_cmdlines[idx * TASK_COMM_LEN]; @@ -2255,7 +2259,6 @@ static void free_saved_cmdlines_buffer(struct saved_cmdlines_buffer *s) { int order = get_order(sizeof(*s) + s->cmdline_num * TASK_COMM_LEN); - kfree(s->map_cmdline_to_pid); kmemleak_free(s); free_pages((unsigned long)s, order); } @@ -2268,7 +2271,7 @@ static struct saved_cmdlines_buffer *allocate_cmdlines_buffer(unsigned int val) int order; /* Figure out how much is needed to hold the given number of cmdlines */ - orig_size = sizeof(*s) + val * TASK_COMM_LEN; + orig_size = sizeof(*s) + val * SAVED_CMDLINE_MAP_ELEMENT_SIZE(s); order = get_order(orig_size); size = 1 << (order + PAGE_SHIFT); page = alloc_pages(GFP_KERNEL, order); @@ -2280,16 +2283,11 @@ static struct saved_cmdlines_buffer *allocate_cmdlines_buffer(unsigned int val) memset(s, 0, sizeof(*s)); /* Round up to actual allocation */ - val = (size - sizeof(*s)) / TASK_COMM_LEN; + val = (size - sizeof(*s)) / SAVED_CMDLINE_MAP_ELEMENT_SIZE(s); s->cmdline_num = val; - s->map_cmdline_to_pid = kmalloc_array(val, - sizeof(*s->map_cmdline_to_pid), - GFP_KERNEL); - if (!s->map_cmdline_to_pid) { - free_saved_cmdlines_buffer(s); - return NULL; - } + /* Place map_cmdline_to_pid array right after saved_cmdlines */ + s->map_cmdline_to_pid = (unsigned *)&s->saved_cmdlines[val * TASK_COMM_LEN]; s->cmdline_idx = 0; memset(&s->map_pid_to_cmdline, NO_CMDLINE_MAP, @@ -4068,6 +4066,8 @@ void tracing_iter_reset(struct trace_iterator *iter, int cpu) break; entries++; ring_buffer_iter_advance(buf_iter); + /* This could be a big loop */ + cond_resched(); } per_cpu_ptr(iter->array_buffer->data, cpu)->skipped_entries = entries; diff --git a/kernel/trace/trace_hwlat.c b/kernel/trace/trace_hwlat.c index 3a994bd852..77a5a05544 100644 --- a/kernel/trace/trace_hwlat.c +++ b/kernel/trace/trace_hwlat.c @@ -520,6 +520,8 @@ static void hwlat_hotplug_workfn(struct work_struct *dummy) if (!hwlat_busy || hwlat_data.thread_mode != MODE_PER_CPU) goto out_unlock; + if (!cpu_online(cpu)) + goto out_unlock; if (!cpumask_test_cpu(cpu, tr->tracing_cpumask)) goto out_unlock; diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c index 90c4f70dc9..20a3e20115 100644 --- a/kernel/trace/trace_osnoise.c +++ b/kernel/trace/trace_osnoise.c @@ -1624,6 +1624,8 @@ static void osnoise_hotplug_workfn(struct work_struct *dummy) mutex_lock(&interface_lock); cpus_read_lock(); + if (!cpu_online(cpu)) + goto out_unlock; if (!cpumask_test_cpu(cpu, &osnoise_cpumask)) goto out_unlock; diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index 4c4b84e507..6b4d3f3abd 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -1446,12 +1446,11 @@ static enum print_line_t trace_print_print(struct trace_iterator *iter, { struct print_entry *field; struct trace_seq *s = &iter->seq; - int max = iter->ent_size - offsetof(struct print_entry, buf); trace_assign_type(field, iter->ent); seq_print_ip_sym(s, field->ip, flags); - trace_seq_printf(s, ": %.*s", max, field->buf); + trace_seq_printf(s, ": %s", field->buf); return trace_handle_return(s); } @@ -1460,11 +1459,10 @@ static enum print_line_t trace_print_raw(struct trace_iterator *iter, int flags, struct trace_event *event) { struct print_entry *field; - int max = iter->ent_size - offsetof(struct print_entry, buf); trace_assign_type(field, iter->ent); - trace_seq_printf(&iter->seq, "# %lx %.*s", field->ip, max, field->buf); + trace_seq_printf(&iter->seq, "# %lx %s", field->ip, field->buf); return trace_handle_return(&iter->seq); } diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c index 0888f0644d..d2a1b7f030 100644 --- a/kernel/trace/trace_probe.c +++ b/kernel/trace/trace_probe.c @@ -261,7 +261,7 @@ int traceprobe_parse_event_name(const char **pevent, const char **pgroup, if (len == 0) { trace_probe_log_err(offset, NO_EVENT_NAME); return -EINVAL; - } else if (len > MAX_EVENT_NAME_LEN) { + } else if (len >= MAX_EVENT_NAME_LEN) { trace_probe_log_err(offset, EVENT_TOO_LONG); return -EINVAL; } diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c index 3edf5e5158..7efb742209 100644 --- a/kernel/trace/tracing_map.c +++ b/kernel/trace/tracing_map.c @@ -454,7 +454,7 @@ static struct tracing_map_elt *get_free_elt(struct tracing_map *map) struct tracing_map_elt *elt = NULL; int idx; - idx = atomic_inc_return(&map->next_elt); + idx = atomic_fetch_add_unless(&map->next_elt, 1, map->max_elts); if (idx < map->max_elts) { elt = *(TRACING_MAP_ELT(map->elts, idx)); if (map->ops && map->ops->elt_init) @@ -699,7 +699,7 @@ void tracing_map_clear(struct tracing_map *map) { unsigned int i; - atomic_set(&map->next_elt, -1); + atomic_set(&map->next_elt, 0); atomic64_set(&map->hits, 0); atomic64_set(&map->drops, 0); @@ -783,7 +783,7 @@ struct tracing_map *tracing_map_create(unsigned int map_bits, map->map_bits = map_bits; map->max_elts = (1 << map_bits); - atomic_set(&map->next_elt, -1); + atomic_set(&map->next_elt, 0); map->map_size = (1 << (map_bits + 1)); map->ops = ops; diff --git a/kernel/ucount.c b/kernel/ucount.c index a1d6726150..85d7c19b0b 100644 --- a/kernel/ucount.c +++ b/kernel/ucount.c @@ -315,7 +315,7 @@ long inc_rlimit_get_ucounts(struct ucounts *ucounts, enum ucount_type type) for (iter = ucounts; iter; iter = iter->ns->ucounts) { long new = atomic_long_add_return(1, &iter->ucount[type]); if (new < 0 || new > max) - goto unwind; + goto dec_unwind; if (iter == ucounts) ret = new; max = READ_ONCE(iter->ns->ucount_max[type]); @@ -332,7 +332,6 @@ long inc_rlimit_get_ucounts(struct ucounts *ucounts, enum ucount_type type) dec_unwind: dec = atomic_long_add_return(-1, &iter->ucount[type]); WARN_ON_ONCE(dec < 0); -unwind: do_dec_rlimit_put_ucounts(ucounts, iter, type); return 0; } diff --git a/kernel/watchdog_hld.c b/kernel/watchdog_hld.c index 1e8a49dc95..8ba4b269ab 100644 --- a/kernel/watchdog_hld.c +++ b/kernel/watchdog_hld.c @@ -91,11 +91,15 @@ static bool watchdog_check_timestamp(void) __this_cpu_write(last_timestamp, now); return true; } -#else -static inline bool watchdog_check_timestamp(void) + +static void watchdog_init_timestamp(void) { - return true; + __this_cpu_write(nmi_rearmed, 0); + __this_cpu_write(last_timestamp, ktime_get_mono_fast_ns()); } +#else +static inline bool watchdog_check_timestamp(void) { return true; } +static inline void watchdog_init_timestamp(void) { } #endif static struct perf_event_attr wd_hw_attr = { @@ -196,6 +200,7 @@ void hardlockup_detector_perf_enable(void) if (!atomic_fetch_inc(&watchdog_cpus)) pr_info("Enabled. Permanently consumes one hw-PMU counter.\n"); + watchdog_init_timestamp(); perf_event_enable(this_cpu_read(watchdog_ev)); } diff --git a/kernel/workqueue.c b/kernel/workqueue.c index d5f30b6102..7300226067 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -5935,10 +5935,18 @@ static void wq_watchdog_timer_fn(struct timer_list *unused) notrace void wq_watchdog_touch(int cpu) { + unsigned long thresh = READ_ONCE(wq_watchdog_thresh) * HZ; + unsigned long touch_ts = READ_ONCE(wq_watchdog_touched); + unsigned long now = jiffies; + if (cpu >= 0) - per_cpu(wq_watchdog_touched_cpu, cpu) = jiffies; + per_cpu(wq_watchdog_touched_cpu, cpu) = now; + else + WARN_ONCE(1, "%s should be called with valid CPU", __func__); - wq_watchdog_touched = jiffies; + /* Don't unnecessarily store to global cacheline */ + if (time_after(now, touch_ts + thresh / 4)) + WRITE_ONCE(wq_watchdog_touched, jiffies); } static void wq_watchdog_set_thresh(unsigned long thresh) diff --git a/lib/buildid.c b/lib/buildid.c index dfc62625ca..e41fb0ee40 100644 --- a/lib/buildid.c +++ b/lib/buildid.c @@ -18,31 +18,37 @@ static int parse_build_id_buf(unsigned char *build_id, const void *note_start, Elf32_Word note_size) { - Elf32_Word note_offs = 0, new_offs; - - while (note_offs + sizeof(Elf32_Nhdr) < note_size) { - Elf32_Nhdr *nhdr = (Elf32_Nhdr *)(note_start + note_offs); + const char note_name[] = "GNU"; + const size_t note_name_sz = sizeof(note_name); + u64 note_off = 0, new_off, name_sz, desc_sz; + const char *data; + + while (note_off + sizeof(Elf32_Nhdr) < note_size && + note_off + sizeof(Elf32_Nhdr) > note_off /* overflow */) { + Elf32_Nhdr *nhdr = (Elf32_Nhdr *)(note_start + note_off); + + name_sz = READ_ONCE(nhdr->n_namesz); + desc_sz = READ_ONCE(nhdr->n_descsz); + + new_off = note_off + sizeof(Elf32_Nhdr); + if (check_add_overflow(new_off, ALIGN(name_sz, 4), &new_off) || + check_add_overflow(new_off, ALIGN(desc_sz, 4), &new_off) || + new_off > note_size) + break; if (nhdr->n_type == BUILD_ID && - nhdr->n_namesz == sizeof("GNU") && - !strcmp((char *)(nhdr + 1), "GNU") && - nhdr->n_descsz > 0 && - nhdr->n_descsz <= BUILD_ID_SIZE_MAX) { - memcpy(build_id, - note_start + note_offs + - ALIGN(sizeof("GNU"), 4) + sizeof(Elf32_Nhdr), - nhdr->n_descsz); - memset(build_id + nhdr->n_descsz, 0, - BUILD_ID_SIZE_MAX - nhdr->n_descsz); + name_sz == note_name_sz && + memcmp(nhdr + 1, note_name, note_name_sz) == 0 && + desc_sz > 0 && desc_sz <= BUILD_ID_SIZE_MAX) { + data = note_start + note_off + ALIGN(note_name_sz, 4); + memcpy(build_id, data, desc_sz); + memset(build_id + desc_sz, 0, BUILD_ID_SIZE_MAX - desc_sz); if (size) - *size = nhdr->n_descsz; + *size = desc_sz; return 0; } - new_offs = note_offs + sizeof(Elf32_Nhdr) + - ALIGN(nhdr->n_namesz, 4) + ALIGN(nhdr->n_descsz, 4); - if (new_offs <= note_offs) /* overflow */ - break; - note_offs = new_offs; + + note_off = new_off; } return -EINVAL; @@ -71,20 +77,28 @@ static int get_build_id_32(const void *page_addr, unsigned char *build_id, { Elf32_Ehdr *ehdr = (Elf32_Ehdr *)page_addr; Elf32_Phdr *phdr; - int i; + __u32 i, phnum; + + /* + * FIXME + * Neither ELF spec nor ELF loader require that program headers + * start immediately after ELF header. + */ + if (ehdr->e_phoff != sizeof(Elf32_Ehdr)) + return -EINVAL; + phnum = READ_ONCE(ehdr->e_phnum); /* only supports phdr that fits in one page */ - if (ehdr->e_phnum > - (PAGE_SIZE - sizeof(Elf32_Ehdr)) / sizeof(Elf32_Phdr)) + if (phnum > (PAGE_SIZE - sizeof(Elf32_Ehdr)) / sizeof(Elf32_Phdr)) return -EINVAL; phdr = (Elf32_Phdr *)(page_addr + sizeof(Elf32_Ehdr)); - for (i = 0; i < ehdr->e_phnum; ++i) { + for (i = 0; i < phnum; ++i) { if (phdr[i].p_type == PT_NOTE && !parse_build_id(page_addr, build_id, size, - page_addr + phdr[i].p_offset, - phdr[i].p_filesz)) + page_addr + READ_ONCE(phdr[i].p_offset), + READ_ONCE(phdr[i].p_filesz))) return 0; } return -EINVAL; @@ -96,20 +110,28 @@ static int get_build_id_64(const void *page_addr, unsigned char *build_id, { Elf64_Ehdr *ehdr = (Elf64_Ehdr *)page_addr; Elf64_Phdr *phdr; - int i; + __u32 i, phnum; + + /* + * FIXME + * Neither ELF spec nor ELF loader require that program headers + * start immediately after ELF header. + */ + if (ehdr->e_phoff != sizeof(Elf64_Ehdr)) + return -EINVAL; + phnum = READ_ONCE(ehdr->e_phnum); /* only supports phdr that fits in one page */ - if (ehdr->e_phnum > - (PAGE_SIZE - sizeof(Elf64_Ehdr)) / sizeof(Elf64_Phdr)) + if (phnum > (PAGE_SIZE - sizeof(Elf64_Ehdr)) / sizeof(Elf64_Phdr)) return -EINVAL; phdr = (Elf64_Phdr *)(page_addr + sizeof(Elf64_Ehdr)); - for (i = 0; i < ehdr->e_phnum; ++i) { + for (i = 0; i < phnum; ++i) { if (phdr[i].p_type == PT_NOTE && !parse_build_id(page_addr, build_id, size, - page_addr + phdr[i].p_offset, - phdr[i].p_filesz)) + page_addr + READ_ONCE(phdr[i].p_offset), + READ_ONCE(phdr[i].p_filesz))) return 0; } return -EINVAL; @@ -138,6 +160,10 @@ int build_id_parse(struct vm_area_struct *vma, unsigned char *build_id, page = find_get_page(vma->vm_file->f_mapping, 0); if (!page) return -EFAULT; /* page not mapped */ + if (!PageUptodate(page)) { + put_page(page); + return -EFAULT; + } ret = -EINVAL; page_addr = kmap_atomic(page); diff --git a/lib/debugobjects.c b/lib/debugobjects.c index 3972e2123e..0b0449ee21 100644 --- a/lib/debugobjects.c +++ b/lib/debugobjects.c @@ -144,13 +144,14 @@ static void fill_pool(void) * READ_ONCE()s pair with the WRITE_ONCE()s in pool_lock critical * sections. */ - while (READ_ONCE(obj_nr_tofree) && (READ_ONCE(obj_pool_free) < obj_pool_min_free)) { + while (READ_ONCE(obj_nr_tofree) && + READ_ONCE(obj_pool_free) < debug_objects_pool_min_level) { raw_spin_lock_irqsave(&pool_lock, flags); /* * Recheck with the lock held as the worker thread might have * won the race and freed the global free list already. */ - while (obj_nr_tofree && (obj_pool_free < obj_pool_min_free)) { + while (obj_nr_tofree && (obj_pool_free < debug_objects_pool_min_level)) { obj = hlist_entry(obj_to_free.first, typeof(*obj), node); hlist_del(&obj->node); WRITE_ONCE(obj_nr_tofree, obj_nr_tofree - 1); diff --git a/lib/decompress_bunzip2.c b/lib/decompress_bunzip2.c index 3518e7394e..ca736166f1 100644 --- a/lib/decompress_bunzip2.c +++ b/lib/decompress_bunzip2.c @@ -232,7 +232,8 @@ static int INIT get_next_block(struct bunzip_data *bd) RUNB) */ symCount = symTotal+2; for (j = 0; j < groupCount; j++) { - unsigned char length[MAX_SYMBOLS], temp[MAX_HUFCODE_BITS+1]; + unsigned char length[MAX_SYMBOLS]; + unsigned short temp[MAX_HUFCODE_BITS+1]; int minLen, maxLen, pp; /* Read Huffman code lengths for each symbol. They're stored in a way similar to mtf; record a starting diff --git a/lib/generic-radix-tree.c b/lib/generic-radix-tree.c index f25eb111c0..34d3ac52de 100644 --- a/lib/generic-radix-tree.c +++ b/lib/generic-radix-tree.c @@ -131,6 +131,8 @@ void *__genradix_ptr_alloc(struct __genradix *radix, size_t offset, if ((v = cmpxchg_release(&radix->root, r, new_root)) == r) { v = new_root; new_node = NULL; + } else { + new_node->children[0] = NULL; } } diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c index c87d5b6a8a..38716b2eb6 100644 --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -432,8 +432,23 @@ static void zap_modalias_env(struct kobj_uevent_env *env) len = strlen(env->envp[i]) + 1; if (i != env->envp_idx - 1) { + /* @env->envp[] contains pointers to @env->buf[] + * with @env->buflen chars, and we are removing + * variable MODALIAS here pointed by @env->envp[i] + * with length @len as shown below: + * + * 0 @env->buf[] @env->buflen + * --------------------------------------------- + * ^ ^ ^ ^ + * | |-> @len <-| target block | + * @env->envp[0] @env->envp[i] @env->envp[i + 1] + * + * so the "target block" indicated above is moved + * backward by @len, and its right size is + * @env->buflen - (@env->envp[i + 1] - @env->envp[0]). + */ memmove(env->envp[i], env->envp[i + 1], - env->buflen - len); + env->buflen - (env->envp[i + 1] - env->envp[0])); for (j = i; j < env->envp_idx - 1; j++) env->envp[j] = env->envp[j + 1] - len; diff --git a/lib/kunit/try-catch.c b/lib/kunit/try-catch.c index 71e5c58530..d18da926b2 100644 --- a/lib/kunit/try-catch.c +++ b/lib/kunit/try-catch.c @@ -76,7 +76,6 @@ void kunit_try_catch_run(struct kunit_try_catch *try_catch, void *context) time_remaining = wait_for_completion_timeout(&try_completion, kunit_test_timeout()); if (time_remaining == 0) { - kunit_err(test, "try timed out\n"); try_catch->try_result = -ETIMEDOUT; } @@ -89,6 +88,8 @@ void kunit_try_catch_run(struct kunit_try_catch *try_catch, void *context) try_catch->try_result = 0; else if (exit_code == -EINTR) kunit_err(test, "wake_up_process() was never called\n"); + else if (exit_code == -ETIMEDOUT) + kunit_err(test, "try timed out\n"); else if (exit_code) kunit_err(test, "Unknown error: %d\n", exit_code); diff --git a/lib/math/prime_numbers.c b/lib/math/prime_numbers.c index d42cebf740..d3b64b10da 100644 --- a/lib/math/prime_numbers.c +++ b/lib/math/prime_numbers.c @@ -6,8 +6,6 @@ #include #include -#define bitmap_size(nbits) (BITS_TO_LONGS(nbits) * sizeof(unsigned long)) - struct primes { struct rcu_head rcu; unsigned long last, sz; diff --git a/lib/objagg.c b/lib/objagg.c index 5e1676ccda..57bde522f2 100644 --- a/lib/objagg.c +++ b/lib/objagg.c @@ -167,6 +167,9 @@ static int objagg_obj_parent_assign(struct objagg *objagg, { void *delta_priv; + if (WARN_ON(!objagg_obj_is_root(parent))) + return -EINVAL; + delta_priv = objagg->ops->delta_create(objagg->priv, parent->obj, objagg_obj->obj); if (IS_ERR(delta_priv)) @@ -906,20 +909,6 @@ static const struct objagg_opt_algo *objagg_opt_algos[] = { [OBJAGG_OPT_ALGO_SIMPLE_GREEDY] = &objagg_opt_simple_greedy, }; -static int objagg_hints_obj_cmp(struct rhashtable_compare_arg *arg, - const void *obj) -{ - struct rhashtable *ht = arg->ht; - struct objagg_hints *objagg_hints = - container_of(ht, struct objagg_hints, node_ht); - const struct objagg_ops *ops = objagg_hints->ops; - const char *ptr = obj; - - ptr += ht->p.key_offset; - return ops->hints_obj_cmp ? ops->hints_obj_cmp(ptr, arg->key) : - memcmp(ptr, arg->key, ht->p.key_len); -} - /** * objagg_hints_get - obtains hints instance * @objagg: objagg instance @@ -958,7 +947,6 @@ struct objagg_hints *objagg_hints_get(struct objagg *objagg, offsetof(struct objagg_hints_node, obj); objagg_hints->ht_params.head_offset = offsetof(struct objagg_hints_node, ht_node); - objagg_hints->ht_params.obj_cmpfn = objagg_hints_obj_cmp; err = rhashtable_init(&objagg_hints->node_ht, &objagg_hints->ht_params); if (err) diff --git a/lib/xz/xz_crc32.c b/lib/xz/xz_crc32.c index 88a2c35e1b..5627b00fca 100644 --- a/lib/xz/xz_crc32.c +++ b/lib/xz/xz_crc32.c @@ -29,7 +29,7 @@ STATIC_RW_DATA uint32_t xz_crc32_table[256]; XZ_EXTERN void xz_crc32_init(void) { - const uint32_t poly = CRC32_POLY_LE; + const uint32_t poly = 0xEDB88320; uint32_t i; uint32_t j; diff --git a/lib/xz/xz_private.h b/lib/xz/xz_private.h index 09360ebb51..482b90f363 100644 --- a/lib/xz/xz_private.h +++ b/lib/xz/xz_private.h @@ -102,10 +102,6 @@ # endif #endif -#ifndef CRC32_POLY_LE -#define CRC32_POLY_LE 0xedb88320 -#endif - /* * Allocate memory for LZMA2 decoder. xz_dec_lzma2_reset() must be used * before calling xz_dec_lzma2_run(). diff --git a/mm/cma.c b/mm/cma.c index 26967c70e9..88fbd4f812 100644 --- a/mm/cma.c +++ b/mm/cma.c @@ -169,7 +169,6 @@ int __init cma_init_reserved_mem(phys_addr_t base, phys_addr_t size, struct cma **res_cma) { struct cma *cma; - phys_addr_t alignment; /* Sanity checks */ if (cma_area_count == ARRAY_SIZE(cma_areas)) { @@ -181,14 +180,7 @@ int __init cma_init_reserved_mem(phys_addr_t base, phys_addr_t size, return -EINVAL; /* ensure minimal alignment required by mm core */ - alignment = PAGE_SIZE << - max_t(unsigned long, MAX_ORDER - 1, pageblock_order); - - /* alignment should be aligned with order_per_bit */ - if (!IS_ALIGNED(alignment >> PAGE_SHIFT, 1 << order_per_bit)) - return -EINVAL; - - if (ALIGN(base, alignment) != base || ALIGN(size, alignment) != size) + if (!IS_ALIGNED(base | size, CMA_MIN_ALIGNMENT_BYTES)) return -EINVAL; /* @@ -263,14 +255,8 @@ int __init cma_declare_contiguous_nid(phys_addr_t base, if (alignment && !is_power_of_2(alignment)) return -EINVAL; - /* - * Sanitise input arguments. - * Pages both ends in CMA area could be merged into adjacent unmovable - * migratetype page by page allocator's buddy algorithm. In the case, - * you couldn't get a contiguous memory, which is not what we want. - */ - alignment = max(alignment, (phys_addr_t)PAGE_SIZE << - max_t(unsigned long, MAX_ORDER - 1, pageblock_order)); + /* Sanitise input arguments. */ + alignment = max_t(phys_addr_t, alignment, CMA_MIN_ALIGNMENT_BYTES); if (fixed && base & (alignment - 1)) { ret = -EINVAL; pr_err("Region at %pa must be aligned to %pa bytes\n", diff --git a/mm/damon/core.c b/mm/damon/core.c index 7a4912d6e6..4f031412f6 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -507,14 +507,31 @@ static void damon_merge_regions_of(struct damon_target *t, unsigned int thres, * access frequencies are similar. This is for minimizing the monitoring * overhead under the dynamically changeable access pattern. If a merge was * unnecessarily made, later 'kdamond_split_regions()' will revert it. + * + * The total number of regions could be higher than the user-defined limit, + * max_nr_regions for some cases. For example, the user can update + * max_nr_regions to a number that lower than the current number of regions + * while DAMON is running. For such a case, repeat merging until the limit is + * met while increasing @threshold up to possible maximum level. */ static void kdamond_merge_regions(struct damon_ctx *c, unsigned int threshold, unsigned long sz_limit) { struct damon_target *t; - - damon_for_each_target(t, c) - damon_merge_regions_of(t, threshold, sz_limit); + unsigned int nr_regions; + unsigned int max_thres; + + max_thres = c->aggr_interval / + (c->sample_interval ? c->sample_interval : 1); + do { + nr_regions = 0; + damon_for_each_target(t, c) { + damon_merge_regions_of(t, threshold, sz_limit); + nr_regions += damon_nr_regions(t); + } + threshold = max(1, threshold * 2); + } while (nr_regions > c->max_nr_regions && + threshold / 2 < max_thres); } /* diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 98ff57c8ed..9139da4baa 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1437,7 +1437,7 @@ vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf) vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd); if (unlikely(!pmd_same(oldpmd, *vmf->pmd))) { spin_unlock(vmf->ptl); - goto out; + return 0; } pmd = pmd_modify(oldpmd, vma->vm_page_prot); @@ -1465,23 +1465,16 @@ vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf) if (migrated) { flags |= TNF_MIGRATED; page_nid = target_nid; - } else { - flags |= TNF_MIGRATE_FAIL; - vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd); - if (unlikely(!pmd_same(oldpmd, *vmf->pmd))) { - spin_unlock(vmf->ptl); - goto out; - } - goto out_map; + task_numa_fault(last_cpupid, page_nid, HPAGE_PMD_NR, flags); + return 0; } -out: - if (page_nid != NUMA_NO_NODE) - task_numa_fault(last_cpupid, page_nid, HPAGE_PMD_NR, - flags); - - return 0; - + flags |= TNF_MIGRATE_FAIL; + vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd); + if (unlikely(!pmd_same(oldpmd, *vmf->pmd))) { + spin_unlock(vmf->ptl); + return 0; + } out_map: /* Restore the PMD */ pmd = pmd_modify(oldpmd, vma->vm_page_prot); @@ -1491,7 +1484,10 @@ vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf) set_pmd_at(vma->vm_mm, haddr, vmf->pmd, pmd); update_mmu_cache_pmd(vma, vmf->address, vmf->pmd); spin_unlock(vmf->ptl); - goto out; + + if (page_nid != NUMA_NO_NODE) + task_numa_fault(last_cpupid, page_nid, HPAGE_PMD_NR, flags); + return 0; } /* diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 2f5c1b2456..01a685963a 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3717,7 +3717,7 @@ void __init hugetlb_add_hstate(unsigned int order) BUG_ON(hugetlb_max_hstate >= HUGE_MAX_HSTATE); BUG_ON(order == 0); h = &hstates[hugetlb_max_hstate++]; - mutex_init(&h->resize_lock); + __mutex_init(&h->resize_lock, "resize mutex", &h->resize_key); h->order = order; h->mask = ~(huge_page_size(h) - 1); for (i = 0; i < MAX_NUMNODES; ++i) diff --git a/mm/internal.h b/mm/internal.h index cf3cb933eb..cd444aa7a1 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -592,8 +592,13 @@ unsigned int reclaim_clean_pages_from_list(struct zone *zone, #define ALLOC_OOM ALLOC_NO_WATERMARKS #endif -#define ALLOC_HARDER 0x10 /* try to alloc harder */ -#define ALLOC_HIGH 0x20 /* __GFP_HIGH set */ +#define ALLOC_NON_BLOCK 0x10 /* Caller cannot block. Allow access + * to 25% of the min watermark or + * 62.5% if __GFP_HIGH is set. + */ +#define ALLOC_MIN_RESERVE 0x20 /* __GFP_HIGH set. Allow access to 50% + * of the min watermark. + */ #define ALLOC_CPUSET 0x40 /* check for correct cpuset */ #define ALLOC_CMA 0x80 /* allow allocations from CMA areas */ #ifdef CONFIG_ZONE_DMA32 @@ -601,8 +606,12 @@ unsigned int reclaim_clean_pages_from_list(struct zone *zone, #else #define ALLOC_NOFRAGMENT 0x0 #endif +#define ALLOC_HIGHATOMIC 0x200 /* Allows access to MIGRATE_HIGHATOMIC */ #define ALLOC_KSWAPD 0x800 /* allow waking of kswapd, __GFP_KSWAPD_RECLAIM set */ +/* Flags that allow allocations below the min watermark. */ +#define ALLOC_RESERVES (ALLOC_NON_BLOCK|ALLOC_MIN_RESERVE|ALLOC_HIGHATOMIC|ALLOC_OOM) + enum ttu_flags; struct tlbflush_unmap_batch; diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 6f969ba0d6..6dd32ed164 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4807,9 +4807,12 @@ static ssize_t memcg_write_event_control(struct kernfs_open_file *of, buf = endp + 1; cfd = simple_strtoul(buf, &endp, 10); - if ((*endp != ' ') && (*endp != '\0')) + if (*endp == '\0') + buf = endp; + else if (*endp == ' ') + buf = endp + 1; + else return -EINVAL; - buf = endp + 1; event = kzalloc(sizeof(*event), GFP_KERNEL); if (!event) @@ -5080,11 +5083,28 @@ static struct cftype mem_cgroup_legacy_files[] = { */ static DEFINE_IDR(mem_cgroup_idr); +static DEFINE_SPINLOCK(memcg_idr_lock); + +static int mem_cgroup_alloc_id(void) +{ + int ret; + + idr_preload(GFP_KERNEL); + spin_lock(&memcg_idr_lock); + ret = idr_alloc(&mem_cgroup_idr, NULL, 1, MEM_CGROUP_ID_MAX + 1, + GFP_NOWAIT); + spin_unlock(&memcg_idr_lock); + idr_preload_end(); + return ret; +} static void mem_cgroup_id_remove(struct mem_cgroup *memcg) { if (memcg->id.id > 0) { + spin_lock(&memcg_idr_lock); idr_remove(&mem_cgroup_idr, memcg->id.id); + spin_unlock(&memcg_idr_lock); + memcg->id.id = 0; } } @@ -5198,9 +5218,7 @@ static struct mem_cgroup *mem_cgroup_alloc(void) if (!memcg) return ERR_PTR(error); - memcg->id.id = idr_alloc(&mem_cgroup_idr, NULL, - 1, MEM_CGROUP_ID_MAX, - GFP_KERNEL); + memcg->id.id = mem_cgroup_alloc_id(); if (memcg->id.id < 0) { error = memcg->id.id; goto fail; @@ -5241,7 +5259,9 @@ static struct mem_cgroup *mem_cgroup_alloc(void) INIT_LIST_HEAD(&memcg->deferred_split_queue.split_queue); memcg->deferred_split_queue.split_queue_len = 0; #endif + spin_lock(&memcg_idr_lock); idr_replace(&mem_cgroup_idr, memcg, memcg->id.id); + spin_unlock(&memcg_idr_lock); return memcg; fail: mem_cgroup_id_remove(memcg); diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 1f23baa98e..8be244f6c3 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -2051,6 +2051,13 @@ int unpoison_memory(unsigned long pfn) mutex_lock(&mf_mutex); + if (is_huge_zero_page(page)) { + unpoison_pr_info("Unpoison: huge zero page is not supported %#lx\n", + pfn, &unpoison_rs); + ret = -EOPNOTSUPP; + goto unlock_mutex; + } + if (!PageHWPoison(p)) { unpoison_pr_info("Unpoison: Page was already unpoisoned %#lx\n", pfn, &unpoison_rs); diff --git a/mm/memory.c b/mm/memory.c index 99d15abe4a..4785aecca9 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -903,6 +903,17 @@ copy_present_page(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma if (likely(!page_needs_cow_for_dma(src_vma, page))) return 1; + /* + * The vma->anon_vma of the child process may be NULL + * because the entire vma does not contain anonymous pages. + * A BUG will occur when the copy_present_page() passes + * a copy of a non-anonymous page of that vma to the + * page_add_new_anon_rmap() to set up new anonymous rmap. + * Return 1 if the page is not an anonymous page. + */ + if (!PageAnon(page)) + return 1; + new_page = *prealloc; if (!new_page) return -EAGAIN; @@ -2380,11 +2391,7 @@ static inline int remap_p4d_range(struct mm_struct *mm, pgd_t *pgd, return 0; } -/* - * Variant of remap_pfn_range that does not call track_pfn_remap. The caller - * must have pre-validated the caching bits of the pgprot_t. - */ -int remap_pfn_range_notrack(struct vm_area_struct *vma, unsigned long addr, +static int remap_pfn_range_internal(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn, unsigned long size, pgprot_t prot) { pgd_t *pgd; @@ -2437,6 +2444,27 @@ int remap_pfn_range_notrack(struct vm_area_struct *vma, unsigned long addr, return 0; } +/* + * Variant of remap_pfn_range that does not call track_pfn_remap. The caller + * must have pre-validated the caching bits of the pgprot_t. + */ +int remap_pfn_range_notrack(struct vm_area_struct *vma, unsigned long addr, + unsigned long pfn, unsigned long size, pgprot_t prot) +{ + int error = remap_pfn_range_internal(vma, addr, pfn, size, prot); + + if (!error) + return 0; + + /* + * A partial pfn range mapping is dangerous: it does not + * maintain page reference counts, and callers may free + * pages due to the error. So zap it early. + */ + zap_page_range_single(vma, addr, size, NULL); + return error; +} + /** * remap_pfn_range - remap kernel memory to userspace * @vma: user vma to map to @@ -4407,7 +4435,7 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf) spin_lock(vmf->ptl); if (unlikely(!pte_same(*vmf->pte, vmf->orig_pte))) { pte_unmap_unlock(vmf->pte, vmf->ptl); - goto out; + return 0; } /* Get the normal PTE */ @@ -4454,21 +4482,17 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf) if (migrate_misplaced_page(page, vma, target_nid)) { page_nid = target_nid; flags |= TNF_MIGRATED; - } else { - flags |= TNF_MIGRATE_FAIL; - vmf->pte = pte_offset_map(vmf->pmd, vmf->address); - spin_lock(vmf->ptl); - if (unlikely(!pte_same(*vmf->pte, vmf->orig_pte))) { - pte_unmap_unlock(vmf->pte, vmf->ptl); - goto out; - } - goto out_map; + task_numa_fault(last_cpupid, page_nid, 1, flags); + return 0; } -out: - if (page_nid != NUMA_NO_NODE) - task_numa_fault(last_cpupid, page_nid, 1, flags); - return 0; + flags |= TNF_MIGRATE_FAIL; + vmf->pte = pte_offset_map(vmf->pmd, vmf->address); + spin_lock(vmf->ptl); + if (unlikely(!pte_same(*vmf->pte, vmf->orig_pte))) { + pte_unmap_unlock(vmf->pte, vmf->ptl); + return 0; + } out_map: /* * Make it present again, depending on how arch implements @@ -4482,7 +4506,10 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf) ptep_modify_prot_commit(vma, vmf->address, vmf->pte, old_pte, pte); update_mmu_cache(vma, vmf->address, vmf->pte); pte_unmap_unlock(vmf->pte, vmf->ptl); - goto out; + + if (page_nid != NUMA_NO_NODE) + task_numa_fault(last_cpupid, page_nid, 1, flags); + return 0; } static inline vm_fault_t create_huge_pmd(struct vm_fault *vmf) diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 818753635e..f089de8564 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2921,8 +2921,9 @@ int mpol_parse_str(char *str, struct mempolicy **mpol) * @pol: pointer to mempolicy to be formatted * * Convert @pol into a string. If @buffer is too short, truncate the string. - * Recommend a @maxlen of at least 32 for the longest mode, "interleave", the - * longest flag, "relative", and to display at least a few node ids. + * Recommend a @maxlen of at least 51 for the longest mode, "weighted + * interleave", plus the longest flag flags, "relative|balancing", and to + * display at least a few node ids. */ void mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol) { @@ -2931,7 +2932,10 @@ void mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol) unsigned short mode = MPOL_DEFAULT; unsigned short flags = 0; - if (pol && pol != &default_policy && !(pol->flags & MPOL_F_MORON)) { + if (pol && + pol != &default_policy && + !(pol >= &preferred_node_policy[0] && + pol <= &preferred_node_policy[ARRAY_SIZE(preferred_node_policy) - 1])) { mode = pol->mode; flags = pol->flags; } @@ -2958,12 +2962,18 @@ void mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol) p += snprintf(p, buffer + maxlen - p, "="); /* - * Currently, the only defined flags are mutually exclusive + * Static and relative are mutually exclusive. */ if (flags & MPOL_F_STATIC_NODES) p += snprintf(p, buffer + maxlen - p, "static"); else if (flags & MPOL_F_RELATIVE_NODES) p += snprintf(p, buffer + maxlen - p, "relative"); + + if (flags & MPOL_F_NUMA_BALANCING) { + if (!is_power_of_2(flags & MPOL_MODE_FLAGS)) + p += snprintf(p, buffer + maxlen - p, "|"); + p += snprintf(p, buffer + maxlen - p, "balancing"); + } } if (!nodes_empty(nodes)) diff --git a/mm/mmap_lock.c b/mm/mmap_lock.c index 1854850b4b..368b840e75 100644 --- a/mm/mmap_lock.c +++ b/mm/mmap_lock.c @@ -19,14 +19,7 @@ EXPORT_TRACEPOINT_SYMBOL(mmap_lock_released); #ifdef CONFIG_MEMCG -/* - * Our various events all share the same buffer (because we don't want or need - * to allocate a set of buffers *per event type*), so we need to protect against - * concurrent _reg() and _unreg() calls, and count how many _reg() calls have - * been made. - */ -static DEFINE_MUTEX(reg_lock); -static int reg_refcount; /* Protected by reg_lock. */ +static atomic_t reg_refcount; /* * Size of the buffer for memcg path names. Ignoring stack trace support, @@ -34,136 +27,22 @@ static int reg_refcount; /* Protected by reg_lock. */ */ #define MEMCG_PATH_BUF_SIZE MAX_FILTER_STR_VAL -/* - * How many contexts our trace events might be called in: normal, softirq, irq, - * and NMI. - */ -#define CONTEXT_COUNT 4 - -struct memcg_path { - local_lock_t lock; - char __rcu *buf; - local_t buf_idx; -}; -static DEFINE_PER_CPU(struct memcg_path, memcg_paths) = { - .lock = INIT_LOCAL_LOCK(lock), - .buf_idx = LOCAL_INIT(0), -}; - -static char **tmp_bufs; - -/* Called with reg_lock held. */ -static void free_memcg_path_bufs(void) -{ - struct memcg_path *memcg_path; - int cpu; - char **old = tmp_bufs; - - for_each_possible_cpu(cpu) { - memcg_path = per_cpu_ptr(&memcg_paths, cpu); - *(old++) = rcu_dereference_protected(memcg_path->buf, - lockdep_is_held(®_lock)); - rcu_assign_pointer(memcg_path->buf, NULL); - } - - /* Wait for inflight memcg_path_buf users to finish. */ - synchronize_rcu(); - - old = tmp_bufs; - for_each_possible_cpu(cpu) { - kfree(*(old++)); - } - - kfree(tmp_bufs); - tmp_bufs = NULL; -} - int trace_mmap_lock_reg(void) { - int cpu; - char *new; - - mutex_lock(®_lock); - - /* If the refcount is going 0->1, proceed with allocating buffers. */ - if (reg_refcount++) - goto out; - - tmp_bufs = kmalloc_array(num_possible_cpus(), sizeof(*tmp_bufs), - GFP_KERNEL); - if (tmp_bufs == NULL) - goto out_fail; - - for_each_possible_cpu(cpu) { - new = kmalloc(MEMCG_PATH_BUF_SIZE * CONTEXT_COUNT, GFP_KERNEL); - if (new == NULL) - goto out_fail_free; - rcu_assign_pointer(per_cpu_ptr(&memcg_paths, cpu)->buf, new); - /* Don't need to wait for inflights, they'd have gotten NULL. */ - } - -out: - mutex_unlock(®_lock); + atomic_inc(®_refcount); return 0; - -out_fail_free: - free_memcg_path_bufs(); -out_fail: - /* Since we failed, undo the earlier ref increment. */ - --reg_refcount; - - mutex_unlock(®_lock); - return -ENOMEM; } void trace_mmap_lock_unreg(void) { - mutex_lock(®_lock); - - /* If the refcount is going 1->0, proceed with freeing buffers. */ - if (--reg_refcount) - goto out; - - free_memcg_path_bufs(); - -out: - mutex_unlock(®_lock); -} - -static inline char *get_memcg_path_buf(void) -{ - struct memcg_path *memcg_path = this_cpu_ptr(&memcg_paths); - char *buf; - int idx; - - rcu_read_lock(); - buf = rcu_dereference(memcg_path->buf); - if (buf == NULL) { - rcu_read_unlock(); - return NULL; - } - idx = local_add_return(MEMCG_PATH_BUF_SIZE, &memcg_path->buf_idx) - - MEMCG_PATH_BUF_SIZE; - return &buf[idx]; + atomic_dec(®_refcount); } -static inline void put_memcg_path_buf(void) -{ - local_sub(MEMCG_PATH_BUF_SIZE, &this_cpu_ptr(&memcg_paths)->buf_idx); - rcu_read_unlock(); -} - -#define TRACE_MMAP_LOCK_EVENT(type, mm, ...) \ - do { \ - const char *memcg_path; \ - local_lock(&memcg_paths.lock); \ - memcg_path = get_mm_memcg_path(mm); \ - trace_mmap_lock_##type(mm, \ - memcg_path != NULL ? memcg_path : "", \ - ##__VA_ARGS__); \ - if (likely(memcg_path != NULL)) \ - put_memcg_path_buf(); \ - local_unlock(&memcg_paths.lock); \ +#define TRACE_MMAP_LOCK_EVENT(type, mm, ...) \ + do { \ + char buf[MEMCG_PATH_BUF_SIZE]; \ + get_mm_memcg_path(mm, buf, sizeof(buf)); \ + trace_mmap_lock_##type(mm, buf, ##__VA_ARGS__); \ } while (0) #else /* !CONFIG_MEMCG */ @@ -185,37 +64,23 @@ void trace_mmap_lock_unreg(void) #ifdef CONFIG_TRACING #ifdef CONFIG_MEMCG /* - * Write the given mm_struct's memcg path to a percpu buffer, and return a - * pointer to it. If the path cannot be determined, or no buffer was available - * (because the trace event is being unregistered), NULL is returned. - * - * Note: buffers are allocated per-cpu to avoid locking, so preemption must be - * disabled by the caller before calling us, and re-enabled only after the - * caller is done with the pointer. - * - * The caller must call put_memcg_path_buf() once the buffer is no longer - * needed. This must be done while preemption is still disabled. + * Write the given mm_struct's memcg path to a buffer. If the path cannot be + * determined or the trace event is being unregistered, empty string is written. */ -static const char *get_mm_memcg_path(struct mm_struct *mm) +static void get_mm_memcg_path(struct mm_struct *mm, char *buf, size_t buflen) { - char *buf = NULL; - struct mem_cgroup *memcg = get_mem_cgroup_from_mm(mm); + struct mem_cgroup *memcg; + buf[0] = '\0'; + /* No need to get path if no trace event is registered. */ + if (!atomic_read(®_refcount)) + return; + memcg = get_mem_cgroup_from_mm(mm); if (memcg == NULL) - goto out; - if (unlikely(memcg->css.cgroup == NULL)) - goto out_put; - - buf = get_memcg_path_buf(); - if (buf == NULL) - goto out_put; - - cgroup_path(memcg->css.cgroup, buf, MEMCG_PATH_BUF_SIZE); - -out_put: + return; + if (memcg->css.cgroup) + cgroup_path(memcg->css.cgroup, buf, buflen); css_put(&memcg->css); -out: - return buf; } #endif /* CONFIG_MEMCG */ diff --git a/mm/page-writeback.c b/mm/page-writeback.c index f57a659b22..2a23962bc7 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -426,13 +426,20 @@ static void domain_dirty_limits(struct dirty_throttle_control *dtc) else bg_thresh = (bg_ratio * available_memory) / PAGE_SIZE; - if (bg_thresh >= thresh) - bg_thresh = thresh / 2; tsk = current; if (rt_task(tsk)) { bg_thresh += bg_thresh / 4 + global_wb_domain.dirty_limit / 32; thresh += thresh / 4 + global_wb_domain.dirty_limit / 32; } + /* + * Dirty throttling logic assumes the limits in page units fit into + * 32-bits. This gives 16TB dirty limits max which is hopefully enough. + */ + if (thresh > UINT_MAX) + thresh = UINT_MAX; + /* This makes sure bg_thresh is within 32-bits as well */ + if (bg_thresh >= thresh) + bg_thresh = thresh / 2; dtc->thresh = thresh; dtc->bg_thresh = bg_thresh; @@ -482,7 +489,11 @@ static unsigned long node_dirty_limit(struct pglist_data *pgdat) if (rt_task(tsk)) dirty += dirty / 4; - return dirty; + /* + * Dirty throttling logic assumes the limits in page units fit into + * 32-bits. This gives 16TB dirty limits max which is hopefully enough. + */ + return min_t(unsigned long, dirty, UINT_MAX); } /** @@ -518,10 +529,17 @@ int dirty_background_bytes_handler(struct ctl_table *table, int write, void *buffer, size_t *lenp, loff_t *ppos) { int ret; + unsigned long old_bytes = dirty_background_bytes; ret = proc_doulongvec_minmax(table, write, buffer, lenp, ppos); - if (ret == 0 && write) + if (ret == 0 && write) { + if (DIV_ROUND_UP(dirty_background_bytes, PAGE_SIZE) > + UINT_MAX) { + dirty_background_bytes = old_bytes; + return -ERANGE; + } dirty_background_ratio = 0; + } return ret; } @@ -547,6 +565,10 @@ int dirty_bytes_handler(struct ctl_table *table, int write, ret = proc_doulongvec_minmax(table, write, buffer, lenp, ppos); if (ret == 0 && write && vm_dirty_bytes != old_bytes) { + if (DIV_ROUND_UP(vm_dirty_bytes, PAGE_SIZE) > UINT_MAX) { + vm_dirty_bytes = old_bytes; + return -ERANGE; + } writeback_set_ratelimit(); vm_dirty_ratio = 0; } @@ -1529,7 +1551,7 @@ static inline void wb_dirty_limits(struct dirty_throttle_control *dtc) */ dtc->wb_thresh = __wb_calc_thresh(dtc); dtc->wb_bg_thresh = dtc->thresh ? - div64_u64(dtc->wb_thresh * dtc->bg_thresh, dtc->thresh) : 0; + div_u64((u64)dtc->wb_thresh * dtc->bg_thresh, dtc->thresh) : 0; /* * In order to avoid the stacked BDI deadlock we need diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 264efa022f..6a64a75184 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2461,6 +2461,9 @@ struct page *__rmqueue_smallest(struct zone *zone, unsigned int order, del_page_from_free_list(page, zone, current_order); expand(zone, page, order, current_order, migratetype); set_pcppage_migratetype(page, migratetype); + trace_mm_page_alloc_zone_locked(page, order, migratetype, + pcp_allowed_order(order) && + migratetype < MIGRATE_PCPTYPES); return page; } @@ -2988,7 +2991,7 @@ __rmqueue(struct zone *zone, unsigned int order, int migratetype, zone_page_state(zone, NR_FREE_PAGES) / 2) { page = __rmqueue_cma_fallback(zone, order); if (page) - goto out; + return page; } } retry: @@ -3001,9 +3004,6 @@ __rmqueue(struct zone *zone, unsigned int order, int migratetype, alloc_flags)) goto retry; } -out: - if (page) - trace_mm_page_alloc_zone_locked(page, order, migratetype); return page; } @@ -3597,6 +3597,53 @@ static inline void zone_statistics(struct zone *preferred_zone, struct zone *z, #endif } +static __always_inline +struct page *rmqueue_buddy(struct zone *preferred_zone, struct zone *zone, + unsigned int order, unsigned int alloc_flags, + int migratetype) +{ + struct page *page; + unsigned long flags; + + do { + page = NULL; + spin_lock_irqsave(&zone->lock, flags); + /* + * order-0 request can reach here when the pcplist is skipped + * due to non-CMA allocation context. HIGHATOMIC area is + * reserved for high-order atomic allocation, so order-0 + * request should skip it. + */ + if (alloc_flags & ALLOC_HIGHATOMIC) + page = __rmqueue_smallest(zone, order, MIGRATE_HIGHATOMIC); + if (!page) { + page = __rmqueue(zone, order, migratetype, alloc_flags); + + /* + * If the allocation fails, allow OOM handling and + * order-0 (atomic) allocs access to HIGHATOMIC + * reserves as failing now is worse than failing a + * high-order atomic allocation in the future. + */ + if (!page && (alloc_flags & (ALLOC_OOM|ALLOC_NON_BLOCK))) + page = __rmqueue_smallest(zone, order, MIGRATE_HIGHATOMIC); + + if (!page) { + spin_unlock_irqrestore(&zone->lock, flags); + return NULL; + } + } + __mod_zone_freepage_state(zone, -(1 << order), + get_pcppage_migratetype(page)); + spin_unlock_irqrestore(&zone->lock, flags); + } while (check_new_pages(page, order)); + + __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order); + zone_statistics(preferred_zone, zone, 1); + + return page; +} + /* Remove page from the per-cpu list, caller must protect the list */ static inline struct page *__rmqueue_pcplist(struct zone *zone, unsigned int order, @@ -3677,9 +3724,14 @@ struct page *rmqueue(struct zone *preferred_zone, gfp_t gfp_flags, unsigned int alloc_flags, int migratetype) { - unsigned long flags; struct page *page; + /* + * We most definitely don't want callers attempting to + * allocate greater than order-1 page units with __GFP_NOFAIL. + */ + WARN_ON_ONCE((gfp_flags & __GFP_NOFAIL) && (order > 1)); + if (likely(pcp_allowed_order(order))) { /* * MIGRATE_MOVABLE pcplist could have the pages on CMA area and @@ -3693,38 +3745,10 @@ struct page *rmqueue(struct zone *preferred_zone, } } - /* - * We most definitely don't want callers attempting to - * allocate greater than order-1 page units with __GFP_NOFAIL. - */ - WARN_ON_ONCE((gfp_flags & __GFP_NOFAIL) && (order > 1)); - spin_lock_irqsave(&zone->lock, flags); - - do { - page = NULL; - /* - * order-0 request can reach here when the pcplist is skipped - * due to non-CMA allocation context. HIGHATOMIC area is - * reserved for high-order atomic allocation, so order-0 - * request should skip it. - */ - if (order > 0 && alloc_flags & ALLOC_HARDER) { - page = __rmqueue_smallest(zone, order, MIGRATE_HIGHATOMIC); - if (page) - trace_mm_page_alloc_zone_locked(page, order, migratetype); - } - if (!page) - page = __rmqueue(zone, order, migratetype, alloc_flags); - } while (page && check_new_pages(page, order)); - if (!page) - goto failed; - - __mod_zone_freepage_state(zone, -(1 << order), - get_pcppage_migratetype(page)); - spin_unlock_irqrestore(&zone->lock, flags); - - __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order); - zone_statistics(preferred_zone, zone, 1); + page = rmqueue_buddy(preferred_zone, zone, order, alloc_flags, + migratetype); + if (unlikely(!page)) + return NULL; out: /* Separate test+clear to avoid unnecessary atomics */ @@ -3735,10 +3759,6 @@ struct page *rmqueue(struct zone *preferred_zone, VM_BUG_ON_PAGE(page && bad_range(zone, page), page); return page; - -failed: - spin_unlock_irqrestore(&zone->lock, flags); - return NULL; } #ifdef CONFIG_FAIL_PAGE_ALLOC @@ -3818,15 +3838,14 @@ ALLOW_ERROR_INJECTION(should_fail_alloc_page, TRUE); static inline long __zone_watermark_unusable_free(struct zone *z, unsigned int order, unsigned int alloc_flags) { - const bool alloc_harder = (alloc_flags & (ALLOC_HARDER|ALLOC_OOM)); long unusable_free = (1 << order) - 1; /* - * If the caller does not have rights to ALLOC_HARDER then subtract - * the high-atomic reserves. This will over-estimate the size of the - * atomic reserve but it avoids a search. + * If the caller does not have rights to reserves below the min + * watermark then subtract the high-atomic reserves. This will + * over-estimate the size of the atomic reserve but it avoids a search. */ - if (likely(!alloc_harder)) + if (likely(!(alloc_flags & ALLOC_RESERVES))) unusable_free += z->nr_reserved_highatomic; #ifdef CONFIG_CMA @@ -3850,25 +3869,37 @@ bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark, { long min = mark; int o; - const bool alloc_harder = (alloc_flags & (ALLOC_HARDER|ALLOC_OOM)); /* free_pages may go negative - that's OK */ free_pages -= __zone_watermark_unusable_free(z, order, alloc_flags); - if (alloc_flags & ALLOC_HIGH) - min -= min / 2; + if (unlikely(alloc_flags & ALLOC_RESERVES)) { + /* + * __GFP_HIGH allows access to 50% of the min reserve as well + * as OOM. + */ + if (alloc_flags & ALLOC_MIN_RESERVE) { + min -= min / 2; + + /* + * Non-blocking allocations (e.g. GFP_ATOMIC) can + * access more reserves than just __GFP_HIGH. Other + * non-blocking allocations requests such as GFP_NOWAIT + * or (GFP_KERNEL & ~__GFP_DIRECT_RECLAIM) do not get + * access to the min reserve. + */ + if (alloc_flags & ALLOC_NON_BLOCK) + min -= min / 4; + } - if (unlikely(alloc_harder)) { /* - * OOM victims can try even harder than normal ALLOC_HARDER + * OOM victims can try even harder than the normal reserve * users on the grounds that it's definitely going to be in * the exit path shortly and free memory. Any allocation it * makes during the free path will be small and short-lived. */ if (alloc_flags & ALLOC_OOM) min -= min / 2; - else - min -= min / 4; } /* @@ -3902,8 +3933,10 @@ bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark, return true; } #endif - if (alloc_harder && !free_area_empty(area, MIGRATE_HIGHATOMIC)) + if ((alloc_flags & (ALLOC_HIGHATOMIC|ALLOC_OOM)) && + !free_area_empty(area, MIGRATE_HIGHATOMIC)) { return true; + } } return false; } @@ -4162,7 +4195,7 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order, int alloc_flags, * If this is a high-order atomic allocation then check * if the pageblock should be reserved for the future */ - if (unlikely(order && (alloc_flags & ALLOC_HARDER))) + if (unlikely(alloc_flags & ALLOC_HIGHATOMIC)) reserve_highatomic_pageblock(page, zone, order); return page; @@ -4681,41 +4714,48 @@ static void wake_all_kswapds(unsigned int order, gfp_t gfp_mask, } static inline unsigned int -gfp_to_alloc_flags(gfp_t gfp_mask) +gfp_to_alloc_flags(gfp_t gfp_mask, unsigned int order) { unsigned int alloc_flags = ALLOC_WMARK_MIN | ALLOC_CPUSET; /* - * __GFP_HIGH is assumed to be the same as ALLOC_HIGH + * __GFP_HIGH is assumed to be the same as ALLOC_MIN_RESERVE * and __GFP_KSWAPD_RECLAIM is assumed to be the same as ALLOC_KSWAPD * to save two branches. */ - BUILD_BUG_ON(__GFP_HIGH != (__force gfp_t) ALLOC_HIGH); + BUILD_BUG_ON(__GFP_HIGH != (__force gfp_t) ALLOC_MIN_RESERVE); BUILD_BUG_ON(__GFP_KSWAPD_RECLAIM != (__force gfp_t) ALLOC_KSWAPD); /* * The caller may dip into page reserves a bit more if the caller * cannot run direct reclaim, or if the caller has realtime scheduling * policy or is asking for __GFP_HIGH memory. GFP_ATOMIC requests will - * set both ALLOC_HARDER (__GFP_ATOMIC) and ALLOC_HIGH (__GFP_HIGH). + * set both ALLOC_NON_BLOCK and ALLOC_MIN_RESERVE(__GFP_HIGH). */ alloc_flags |= (__force int) (gfp_mask & (__GFP_HIGH | __GFP_KSWAPD_RECLAIM)); - if (gfp_mask & __GFP_ATOMIC) { + if (!(gfp_mask & __GFP_DIRECT_RECLAIM)) { /* * Not worth trying to allocate harder for __GFP_NOMEMALLOC even * if it can't schedule. */ - if (!(gfp_mask & __GFP_NOMEMALLOC)) - alloc_flags |= ALLOC_HARDER; + if (!(gfp_mask & __GFP_NOMEMALLOC)) { + alloc_flags |= ALLOC_NON_BLOCK; + + if (order > 0) + alloc_flags |= ALLOC_HIGHATOMIC; + } + /* - * Ignore cpuset mems for GFP_ATOMIC rather than fail, see the - * comment for __cpuset_node_allowed(). + * Ignore cpuset mems for non-blocking __GFP_HIGH (probably + * GFP_ATOMIC) rather than fail, see the comment for + * __cpuset_node_allowed(). */ - alloc_flags &= ~ALLOC_CPUSET; + if (alloc_flags & ALLOC_MIN_RESERVE) + alloc_flags &= ~ALLOC_CPUSET; } else if (unlikely(rt_task(current)) && in_task()) - alloc_flags |= ALLOC_HARDER; + alloc_flags |= ALLOC_MIN_RESERVE; alloc_flags = gfp_to_alloc_flags_cma(gfp_mask, alloc_flags); @@ -4936,7 +4976,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, * kswapd needs to be woken up, and to avoid the cost of setting up * alloc_flags precisely. So we do that now. */ - alloc_flags = gfp_to_alloc_flags(gfp_mask); + alloc_flags = gfp_to_alloc_flags(gfp_mask, order); /* * We need to recalculate the starting point for the zonelist iterator @@ -5151,12 +5191,13 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, WARN_ON_ONCE(order > PAGE_ALLOC_COSTLY_ORDER); /* - * Help non-failing allocations by giving them access to memory - * reserves but do not use ALLOC_NO_WATERMARKS because this + * Help non-failing allocations by giving some access to memory + * reserves normally used for high priority non-blocking + * allocations but do not use ALLOC_NO_WATERMARKS because this * could deplete whole memory reserves which would just make - * the situation worse + * the situation worse. */ - page = __alloc_pages_cpuset_fallback(gfp_mask, order, ALLOC_HARDER, ac); + page = __alloc_pages_cpuset_fallback(gfp_mask, order, ALLOC_MIN_RESERVE, ac); if (page) goto got_pg; diff --git a/mm/secretmem.c b/mm/secretmem.c index d1986ce2e7..624663a948 100644 --- a/mm/secretmem.c +++ b/mm/secretmem.c @@ -234,7 +234,7 @@ SYSCALL_DEFINE1(memfd_secret, unsigned int, flags) /* make sure local flags do not confict with global fcntl.h */ BUILD_BUG_ON(SECRETMEM_FLAGS_MASK & O_CLOEXEC); - if (!secretmem_enable) + if (!secretmem_enable || !can_set_direct_map()) return -ENOSYS; if (flags & ~(SECRETMEM_FLAGS_MASK | O_CLOEXEC)) @@ -278,7 +278,7 @@ static int secretmem_init(void) { int ret = 0; - if (!secretmem_enable) + if (!secretmem_enable || !can_set_direct_map()) return ret; secretmem_mnt = kern_mount(&secretmem_fs); diff --git a/mm/shmem.c b/mm/shmem.c index 663fb117cd..cdb169348b 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1077,7 +1077,9 @@ static int shmem_getattr(struct user_namespace *mnt_userns, shmem_recalc_inode(inode); spin_unlock_irq(&info->lock); } + inode_lock_shared(inode); generic_fillattr(&init_user_ns, inode, stat); + inode_unlock_shared(inode); if (shmem_is_huge(NULL, inode, 0)) stat->blksize = HPAGE_PMD_SIZE; diff --git a/mm/slab_common.c b/mm/slab_common.c index 022319e7de..f684b06649 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -1210,6 +1210,13 @@ static __always_inline void *__do_krealloc(const void *p, size_t new_size, /* If the object still fits, repoison it precisely. */ if (ks >= new_size) { + /* Zero out spare memory. */ + if (want_init_on_alloc(flags)) { + kasan_disable_current(); + memset(kasan_reset_tag(p) + new_size, 0, ks - new_size); + kasan_enable_current(); + } + p = kasan_krealloc((void *)p, new_size, flags); return (void *)p; } diff --git a/mm/swapfile.c b/mm/swapfile.c index fec3e736a1..c9b9053c79 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -2125,7 +2125,7 @@ static int unuse_mm(struct mm_struct *mm, unsigned int type, mmap_read_lock(mm); for (vma = mm->mmap; vma; vma = vma->vm_next) { - if (vma->anon_vma) { + if (vma->anon_vma && !is_vm_hugetlb_page(vma)) { ret = unuse_vma(vma, type, frontswap, fs_pages_to_unuse); if (ret) diff --git a/mm/util.c b/mm/util.c index e89ef15085..973021847e 100644 --- a/mm/util.c +++ b/mm/util.c @@ -430,7 +430,7 @@ static unsigned long mmap_base(unsigned long rnd, struct rlimit *rlim_stack) if (gap + pad > gap) gap += pad; - if (gap < MIN_GAP) + if (gap < MIN_GAP && MIN_GAP < MAX_GAP) gap = MIN_GAP; else if (gap > MAX_GAP) gap = MAX_GAP; diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index 8710d5d7d3..29c326f987 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -483,10 +483,9 @@ static struct sk_buff *vlan_gro_receive(struct list_head *head, type = vhdr->h_vlan_encapsulated_proto; - rcu_read_lock(); ptype = gro_find_receive_by_type(type); if (!ptype) - goto out_unlock; + goto out; flush = 0; @@ -508,8 +507,6 @@ static struct sk_buff *vlan_gro_receive(struct list_head *head, ipv6_gro_receive, inet_gro_receive, head, skb); -out_unlock: - rcu_read_unlock(); out: skb_gro_flush_final(skb, pp, flush); @@ -523,14 +520,12 @@ static int vlan_gro_complete(struct sk_buff *skb, int nhoff) struct packet_offload *ptype; int err = -ENOENT; - rcu_read_lock(); ptype = gro_find_complete_by_type(type); if (ptype) err = INDIRECT_CALL_INET(ptype->callbacks.gro_complete, ipv6_gro_complete, inet_gro_complete, skb, nhoff + sizeof(*vhdr)); - rcu_read_unlock(); return err; } diff --git a/net/9p/client.c b/net/9p/client.c index bf29462c91..5f0b3fdc70 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -1003,8 +1003,10 @@ static int p9_client_version(struct p9_client *c) struct p9_client *p9_client_create(const char *dev_name, char *options) { int err; + static atomic_t seqno = ATOMIC_INIT(0); struct p9_client *clnt; char *client_id; + char *cache_name; err = 0; clnt = kmalloc(sizeof(*clnt), GFP_KERNEL); @@ -1057,15 +1059,23 @@ struct p9_client *p9_client_create(const char *dev_name, char *options) if (err) goto close_trans; + cache_name = kasprintf(GFP_KERNEL, + "9p-fcall-cache-%u", atomic_inc_return(&seqno)); + if (!cache_name) { + err = -ENOMEM; + goto close_trans; + } + /* P9_HDRSZ + 4 is the smallest packet header we can have that is * followed by data accessed from userspace by read */ clnt->fcall_cache = - kmem_cache_create_usercopy("9p-fcall-cache", clnt->msize, + kmem_cache_create_usercopy(cache_name, clnt->msize, 0, 0, P9_HDRSZ + 4, clnt->msize - (P9_HDRSZ + 4), NULL); + kfree(cache_name); return clnt; close_trans: diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index aadc653ca1..49ce22278f 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include #include @@ -131,6 +132,29 @@ batadv_orig_node_vlan_get(struct batadv_orig_node *orig_node, return vlan; } +/** + * batadv_vlan_id_valid() - check if vlan id is in valid batman-adv encoding + * @vid: the VLAN identifier + * + * Return: true when either no vlan is set or if VLAN is in correct range, + * false otherwise + */ +static bool batadv_vlan_id_valid(unsigned short vid) +{ + unsigned short non_vlan = vid & ~(BATADV_VLAN_HAS_TAG | VLAN_VID_MASK); + + if (vid == 0) + return true; + + if (!(vid & BATADV_VLAN_HAS_TAG)) + return false; + + if (non_vlan) + return false; + + return true; +} + /** * batadv_orig_node_vlan_new() - search and possibly create an orig_node_vlan * object @@ -149,6 +173,9 @@ batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node, { struct batadv_orig_node_vlan *vlan; + if (!batadv_vlan_id_valid(vid)) + return NULL; + spin_lock_bh(&orig_node->vlan_list_lock); /* first look if an object for this vid already exists */ @@ -1238,6 +1265,8 @@ void batadv_purge_orig_ref(struct batadv_priv *bat_priv) /* for all origins... */ for (i = 0; i < hash->size; i++) { head = &hash->table[i]; + if (hlist_empty(head)) + continue; list_lock = &hash->list_locks[i]; spin_lock_bh(list_lock); diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index b7498e890f..9c9c855b97 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -779,6 +779,7 @@ static int __init bt_init(void) bt_sysfs_cleanup(); cleanup_led: bt_leds_cleanup(); + debugfs_remove_recursive(bt_debugfs); return err; } diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c index a796d72c7d..ca46441d06 100644 --- a/net/bluetooth/bnep/core.c +++ b/net/bluetooth/bnep/core.c @@ -385,7 +385,8 @@ static int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb) case BNEP_COMPRESSED_DST_ONLY: __skb_put_data(nskb, skb_mac_header(skb), ETH_ALEN); - __skb_put_data(nskb, s->eh.h_source, ETH_ALEN + 2); + __skb_put_data(nskb, s->eh.h_source, ETH_ALEN); + put_unaligned(s->eh.h_proto, (__be16 *)__skb_put(nskb, 2)); break; case BNEP_GENERAL: @@ -744,8 +745,7 @@ static int __init bnep_init(void) if (flt[0]) BT_INFO("BNEP filters: %s", flt); - bnep_sock_init(); - return 0; + return bnep_sock_init(); } static void __exit bnep_exit(void) diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 8a3c867bdf..7dff3f1a2a 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -4025,7 +4025,11 @@ void hci_unregister_dev(struct hci_dev *hdev) list_del(&hdev->list); write_unlock(&hci_dev_list_lock); + cancel_work_sync(&hdev->rx_work); + cancel_work_sync(&hdev->cmd_work); + cancel_work_sync(&hdev->tx_work); cancel_work_sync(&hdev->power_on); + cancel_work_sync(&hdev->error_reset); if (!test_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks)) { hci_suspend_clear_tasks(hdev); @@ -4872,19 +4876,19 @@ static void hci_sched_le(struct hci_dev *hdev) { struct hci_chan *chan; struct sk_buff *skb; - int quote, cnt, tmp; + int quote, *cnt, tmp; BT_DBG("%s", hdev->name); if (!hci_conn_num(hdev, LE_LINK)) return; - cnt = hdev->le_pkts ? hdev->le_cnt : hdev->acl_cnt; + cnt = hdev->le_pkts ? &hdev->le_cnt : &hdev->acl_cnt; - __check_timeout(hdev, cnt, LE_LINK); + __check_timeout(hdev, *cnt, LE_LINK); - tmp = cnt; - while (cnt && (chan = hci_chan_sent(hdev, LE_LINK, "e))) { + tmp = *cnt; + while (*cnt && (chan = hci_chan_sent(hdev, LE_LINK, "e))) { u32 priority = (skb_peek(&chan->data_q))->priority; while (quote-- && (skb = skb_peek(&chan->data_q))) { BT_DBG("chan %p skb %p len %d priority %u", chan, skb, @@ -4899,7 +4903,7 @@ static void hci_sched_le(struct hci_dev *hdev) hci_send_frame(hdev, skb); hdev->le_last_tx = jiffies; - cnt--; + (*cnt)--; chan->sent++; chan->conn->sent++; @@ -4909,12 +4913,7 @@ static void hci_sched_le(struct hci_dev *hdev) } } - if (hdev->le_pkts) - hdev->le_cnt = cnt; - else - hdev->acl_cnt = cnt; - - if (cnt != tmp) + if (*cnt != tmp) hci_prio_recalculate(hdev, LE_LINK); } diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 900b352975..4d5dd82f26 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -5617,13 +5617,7 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn, memset(&rsp, 0, sizeof(rsp)); - if (max > hcon->le_conn_max_interval) { - BT_DBG("requested connection interval exceeds current bounds."); - err = -EINVAL; - } else { - err = hci_check_conn_params(min, max, latency, to_multiplier); - } - + err = hci_check_conn_params(min, max, latency, to_multiplier); if (err) rsp.result = cpu_to_le16(L2CAP_CONN_PARAM_REJECTED); else @@ -7773,6 +7767,7 @@ static void l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm, bt_cb(skb)->l2cap.psm = psm; if (!chan->ops->recv(chan, skb)) { + l2cap_chan_unlock(chan); l2cap_chan_put(chan); return; } diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 8f11629618..a54eb754e9 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -2375,16 +2375,6 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data, bt_dev_dbg(hdev, "debug_keys %u key_count %u", cp->debug_keys, key_count); - for (i = 0; i < key_count; i++) { - struct mgmt_link_key_info *key = &cp->keys[i]; - - /* Considering SMP over BREDR/LE, there is no need to check addr_type */ - if (key->type > 0x08) - return mgmt_cmd_status(sk, hdev->id, - MGMT_OP_LOAD_LINK_KEYS, - MGMT_STATUS_INVALID_PARAMS); - } - hci_dev_lock(hdev); hci_link_keys_clear(hdev); @@ -2409,6 +2399,19 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data, continue; } + if (key->addr.type != BDADDR_BREDR) { + bt_dev_warn(hdev, + "Invalid link address type %u for %pMR", + key->addr.type, &key->addr.bdaddr); + continue; + } + + if (key->type > 0x08) { + bt_dev_warn(hdev, "Invalid link key type %u for %pMR", + key->type, &key->addr.bdaddr); + continue; + } + /* Always ignore debug keys and require a new pairing if * the user wants to use them. */ @@ -2967,6 +2970,10 @@ static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data, * will be kept and this function does nothing. */ p = hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type); + if (!p) { + err = -EIO; + goto unlock; + } if (p->auto_connect == HCI_AUTO_CONN_EXPLICIT) p->auto_connect = HCI_AUTO_CONN_DISABLED; @@ -6181,7 +6188,6 @@ static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data, for (i = 0; i < irk_count; i++) { struct mgmt_irk_info *irk = &cp->irks[i]; - u8 addr_type = le_addr_type(irk->addr.type); if (hci_is_blocked_key(hdev, HCI_BLOCKED_KEY_TYPE_IRK, @@ -6191,12 +6197,8 @@ static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data, continue; } - /* When using SMP over BR/EDR, the addr type should be set to BREDR */ - if (irk->addr.type == BDADDR_BREDR) - addr_type = BDADDR_BREDR; - hci_add_irk(hdev, &irk->addr.bdaddr, - addr_type, irk->val, + le_addr_type(irk->addr.type), irk->val, BDADDR_ANY); } @@ -6261,15 +6263,6 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, bt_dev_dbg(hdev, "key_count %u", key_count); - for (i = 0; i < key_count; i++) { - struct mgmt_ltk_info *key = &cp->keys[i]; - - if (!ltk_is_valid(key)) - return mgmt_cmd_status(sk, hdev->id, - MGMT_OP_LOAD_LONG_TERM_KEYS, - MGMT_STATUS_INVALID_PARAMS); - } - hci_dev_lock(hdev); hci_smp_ltks_clear(hdev); @@ -6277,7 +6270,6 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, for (i = 0; i < key_count; i++) { struct mgmt_ltk_info *key = &cp->keys[i]; u8 type, authenticated; - u8 addr_type = le_addr_type(key->addr.type); if (hci_is_blocked_key(hdev, HCI_BLOCKED_KEY_TYPE_LTK, @@ -6287,6 +6279,12 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, continue; } + if (!ltk_is_valid(key)) { + bt_dev_warn(hdev, "Invalid LTK for %pMR", + &key->addr.bdaddr); + continue; + } + switch (key->type) { case MGMT_LTK_UNAUTHENTICATED: authenticated = 0x00; @@ -6312,12 +6310,8 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, continue; } - /* When using SMP over BR/EDR, the addr type should be set to BREDR */ - if (key->addr.type == BDADDR_BREDR) - addr_type = BDADDR_BREDR; - hci_add_ltk(hdev, &key->addr.bdaddr, - addr_type, type, authenticated, + le_addr_type(key->addr.type), type, authenticated, key->val, key->enc_size, key->ediv, key->rand); } @@ -8684,7 +8678,7 @@ void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, ev.store_hint = persistent; bacpy(&ev.key.addr.bdaddr, &key->bdaddr); - ev.key.addr.type = link_to_bdaddr(key->link_type, key->bdaddr_type); + ev.key.addr.type = BDADDR_BREDR; ev.key.type = key->type; memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE); ev.key.pin_len = key->pin_len; @@ -8735,7 +8729,7 @@ void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent) ev.store_hint = persistent; bacpy(&ev.key.addr.bdaddr, &key->bdaddr); - ev.key.addr.type = link_to_bdaddr(key->link_type, key->bdaddr_type); + ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type); ev.key.type = mgmt_ltk_type(key); ev.key.enc_size = key->enc_size; ev.key.ediv = key->ediv; @@ -8764,7 +8758,7 @@ void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent) bacpy(&ev.rpa, &irk->rpa); bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr); - ev.irk.addr.type = link_to_bdaddr(irk->link_type, irk->addr_type); + ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type); memcpy(ev.irk.val, irk->val, sizeof(irk->val)); mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL); @@ -8793,7 +8787,7 @@ void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, ev.store_hint = persistent; bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr); - ev.key.addr.type = link_to_bdaddr(csrk->link_type, csrk->bdaddr_type); + ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type); ev.key.type = csrk->type; memcpy(ev.key.val, csrk->val, sizeof(csrk->val)); diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index 4397e14ff5..44c998e4a9 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -876,9 +876,7 @@ static int rfcomm_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned lon if (err == -ENOIOCTLCMD) { #ifdef CONFIG_BT_RFCOMM_TTY - lock_sock(sk); err = rfcomm_dev_ioctl(sk, cmd, (void __user *) arg); - release_sock(sk); #else err = -EOPNOTSUPP; #endif diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index f688f941c4..724dc901ea 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -913,7 +913,7 @@ static int tk_request(struct l2cap_conn *conn, u8 remote_oob, u8 auth, * Confirms and the responder Enters the passkey. */ if (smp->method == OVERLAP) { - if (hcon->role == HCI_ROLE_MASTER) + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) smp->method = CFM_PASSKEY; else smp->method = REQ_PASSKEY; @@ -963,7 +963,7 @@ static u8 smp_confirm(struct smp_chan *smp) smp_send_cmd(smp->conn, SMP_CMD_PAIRING_CONFIRM, sizeof(cp), &cp); - if (conn->hcon->out) + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_CONFIRM); else SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RANDOM); @@ -979,7 +979,8 @@ static u8 smp_random(struct smp_chan *smp) int ret; bt_dev_dbg(conn->hcon->hdev, "conn %p %s", conn, - conn->hcon->out ? "initiator" : "responder"); + test_bit(SMP_FLAG_INITIATOR, &smp->flags) ? "initiator" : + "responder"); ret = smp_c1(smp->tk, smp->rrnd, smp->preq, smp->prsp, hcon->init_addr_type, &hcon->init_addr, @@ -993,7 +994,7 @@ static u8 smp_random(struct smp_chan *smp) return SMP_CONFIRM_FAILED; } - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { u8 stk[16]; __le64 rand = 0; __le16 ediv = 0; @@ -1058,7 +1059,6 @@ static void smp_notify_keys(struct l2cap_conn *conn) } if (smp->remote_irk) { - smp->remote_irk->link_type = hcon->type; mgmt_new_irk(hdev, smp->remote_irk, persistent); /* Now that user space can be considered to know the @@ -1073,28 +1073,24 @@ static void smp_notify_keys(struct l2cap_conn *conn) } if (smp->csrk) { - smp->csrk->link_type = hcon->type; smp->csrk->bdaddr_type = hcon->dst_type; bacpy(&smp->csrk->bdaddr, &hcon->dst); mgmt_new_csrk(hdev, smp->csrk, persistent); } if (smp->responder_csrk) { - smp->responder_csrk->link_type = hcon->type; smp->responder_csrk->bdaddr_type = hcon->dst_type; bacpy(&smp->responder_csrk->bdaddr, &hcon->dst); mgmt_new_csrk(hdev, smp->responder_csrk, persistent); } if (smp->ltk) { - smp->ltk->link_type = hcon->type; smp->ltk->bdaddr_type = hcon->dst_type; bacpy(&smp->ltk->bdaddr, &hcon->dst); mgmt_new_ltk(hdev, smp->ltk, persistent); } if (smp->responder_ltk) { - smp->responder_ltk->link_type = hcon->type; smp->responder_ltk->bdaddr_type = hcon->dst_type; bacpy(&smp->responder_ltk->bdaddr, &hcon->dst); mgmt_new_ltk(hdev, smp->responder_ltk, persistent); @@ -1114,8 +1110,6 @@ static void smp_notify_keys(struct l2cap_conn *conn) key = hci_add_link_key(hdev, smp->conn->hcon, &hcon->dst, smp->link_key, type, 0, &persistent); if (key) { - key->link_type = hcon->type; - key->bdaddr_type = hcon->dst_type; mgmt_new_link_key(hdev, key, persistent); /* Don't keep debug keys around if the relevant @@ -1250,14 +1244,15 @@ static void smp_distribute_keys(struct smp_chan *smp) rsp = (void *) &smp->prsp[1]; /* The responder sends its keys first */ - if (hcon->out && (smp->remote_key_dist & KEY_DIST_MASK)) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags) && + (smp->remote_key_dist & KEY_DIST_MASK)) { smp_allow_key_dist(smp); return; } req = (void *) &smp->preq[1]; - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { keydist = &rsp->init_key_dist; *keydist &= req->init_key_dist; } else { @@ -1426,7 +1421,7 @@ static int sc_mackey_and_ltk(struct smp_chan *smp, u8 mackey[16], u8 ltk[16]) struct hci_conn *hcon = smp->conn->hcon; u8 *na, *nb, a[7], b[7]; - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { na = smp->prnd; nb = smp->rrnd; } else { @@ -1454,7 +1449,7 @@ static void sc_dhkey_check(struct smp_chan *smp) a[6] = hcon->init_addr_type; b[6] = hcon->resp_addr_type; - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { local_addr = a; remote_addr = b; memcpy(io_cap, &smp->preq[1], 3); @@ -1533,7 +1528,7 @@ static u8 sc_passkey_round(struct smp_chan *smp, u8 smp_op) /* The round is only complete when the initiator * receives pairing random. */ - if (!hcon->out) { + if (!test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(smp->prnd), smp->prnd); if (smp->passkey_round == 20) @@ -1561,7 +1556,7 @@ static u8 sc_passkey_round(struct smp_chan *smp, u8 smp_op) SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RANDOM); - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(smp->prnd), smp->prnd); return 0; @@ -1572,7 +1567,7 @@ static u8 sc_passkey_round(struct smp_chan *smp, u8 smp_op) case SMP_CMD_PUBLIC_KEY: default: /* Initiating device starts the round */ - if (!hcon->out) + if (!test_bit(SMP_FLAG_INITIATOR, &smp->flags)) return 0; bt_dev_dbg(hdev, "Starting passkey round %u", @@ -1617,7 +1612,7 @@ static int sc_user_reply(struct smp_chan *smp, u16 mgmt_op, __le32 passkey) } /* Initiator sends DHKey check first */ - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { sc_dhkey_check(smp); SMP_ALLOW_CMD(smp, SMP_CMD_DHKEY_CHECK); } else if (test_and_clear_bit(SMP_FLAG_DHKEY_PENDING, &smp->flags)) { @@ -1740,7 +1735,7 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb) struct smp_cmd_pairing rsp, *req = (void *) skb->data; struct l2cap_chan *chan = conn->smp; struct hci_dev *hdev = conn->hcon->hdev; - struct smp_chan *smp; + struct smp_chan *smp = chan->data; u8 key_size, auth, sec_level; int ret; @@ -1749,16 +1744,14 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb) if (skb->len < sizeof(*req)) return SMP_INVALID_PARAMS; - if (conn->hcon->role != HCI_ROLE_SLAVE) + if (smp && test_bit(SMP_FLAG_INITIATOR, &smp->flags)) return SMP_CMD_NOTSUPP; - if (!chan->data) + if (!smp) { smp = smp_chan_create(conn); - else - smp = chan->data; - - if (!smp) - return SMP_UNSPECIFIED; + if (!smp) + return SMP_UNSPECIFIED; + } /* We didn't start the pairing, so match remote */ auth = req->auth_req & AUTH_REQ_MASK(hdev); @@ -1940,7 +1933,7 @@ static u8 smp_cmd_pairing_rsp(struct l2cap_conn *conn, struct sk_buff *skb) if (skb->len < sizeof(*rsp)) return SMP_INVALID_PARAMS; - if (conn->hcon->role != HCI_ROLE_MASTER) + if (!test_bit(SMP_FLAG_INITIATOR, &smp->flags)) return SMP_CMD_NOTSUPP; skb_pull(skb, sizeof(*rsp)); @@ -2035,7 +2028,7 @@ static u8 sc_check_confirm(struct smp_chan *smp) if (smp->method == REQ_PASSKEY || smp->method == DSP_PASSKEY) return sc_passkey_round(smp, SMP_CMD_PAIRING_CONFIRM); - if (conn->hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(smp->prnd), smp->prnd); SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RANDOM); @@ -2057,7 +2050,7 @@ static int fixup_sc_false_positive(struct smp_chan *smp) u8 auth; /* The issue is only observed when we're in responder role */ - if (hcon->out) + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) return SMP_UNSPECIFIED; if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) { @@ -2093,7 +2086,8 @@ static u8 smp_cmd_pairing_confirm(struct l2cap_conn *conn, struct sk_buff *skb) struct hci_dev *hdev = hcon->hdev; bt_dev_dbg(hdev, "conn %p %s", conn, - hcon->out ? "initiator" : "responder"); + test_bit(SMP_FLAG_INITIATOR, &smp->flags) ? "initiator" : + "responder"); if (skb->len < sizeof(smp->pcnf)) return SMP_INVALID_PARAMS; @@ -2115,7 +2109,7 @@ static u8 smp_cmd_pairing_confirm(struct l2cap_conn *conn, struct sk_buff *skb) return ret; } - if (conn->hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(smp->prnd), smp->prnd); SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RANDOM); @@ -2150,7 +2144,7 @@ static u8 smp_cmd_pairing_random(struct l2cap_conn *conn, struct sk_buff *skb) if (!test_bit(SMP_FLAG_SC, &smp->flags)) return smp_random(smp); - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { pkax = smp->local_pk; pkbx = smp->remote_pk; na = smp->prnd; @@ -2163,7 +2157,7 @@ static u8 smp_cmd_pairing_random(struct l2cap_conn *conn, struct sk_buff *skb) } if (smp->method == REQ_OOB) { - if (!hcon->out) + if (!test_bit(SMP_FLAG_INITIATOR, &smp->flags)) smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(smp->prnd), smp->prnd); SMP_ALLOW_CMD(smp, SMP_CMD_DHKEY_CHECK); @@ -2174,7 +2168,7 @@ static u8 smp_cmd_pairing_random(struct l2cap_conn *conn, struct sk_buff *skb) if (smp->method == REQ_PASSKEY || smp->method == DSP_PASSKEY) return sc_passkey_round(smp, SMP_CMD_PAIRING_RANDOM); - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { u8 cfm[16]; err = smp_f4(smp->tfm_cmac, smp->remote_pk, smp->local_pk, @@ -2215,7 +2209,7 @@ static u8 smp_cmd_pairing_random(struct l2cap_conn *conn, struct sk_buff *skb) return SMP_UNSPECIFIED; if (smp->method == REQ_OOB) { - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { sc_dhkey_check(smp); SMP_ALLOW_CMD(smp, SMP_CMD_DHKEY_CHECK); } @@ -2289,10 +2283,27 @@ bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level, return false; } +static void smp_send_pairing_req(struct smp_chan *smp, __u8 auth) +{ + struct smp_cmd_pairing cp; + + if (smp->conn->hcon->type == ACL_LINK) + build_bredr_pairing_cmd(smp, &cp, NULL); + else + build_pairing_cmd(smp->conn, &cp, NULL, auth); + + smp->preq[0] = SMP_CMD_PAIRING_REQ; + memcpy(&smp->preq[1], &cp, sizeof(cp)); + + smp_send_cmd(smp->conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp); + SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RSP); + + set_bit(SMP_FLAG_INITIATOR, &smp->flags); +} + static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb) { struct smp_cmd_security_req *rp = (void *) skb->data; - struct smp_cmd_pairing cp; struct hci_conn *hcon = conn->hcon; struct hci_dev *hdev = hcon->hdev; struct smp_chan *smp; @@ -2341,16 +2352,20 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb) skb_pull(skb, sizeof(*rp)); - memset(&cp, 0, sizeof(cp)); - build_pairing_cmd(conn, &cp, NULL, auth); + smp_send_pairing_req(smp, auth); - smp->preq[0] = SMP_CMD_PAIRING_REQ; - memcpy(&smp->preq[1], &cp, sizeof(cp)); + return 0; +} - smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp); - SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RSP); +static void smp_send_security_req(struct smp_chan *smp, __u8 auth) +{ + struct smp_cmd_security_req cp; - return 0; + cp.auth_req = auth; + smp_send_cmd(smp->conn, SMP_CMD_SECURITY_REQ, sizeof(cp), &cp); + SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_REQ); + + clear_bit(SMP_FLAG_INITIATOR, &smp->flags); } int smp_conn_security(struct hci_conn *hcon, __u8 sec_level) @@ -2421,23 +2436,11 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level) authreq |= SMP_AUTH_MITM; } - if (hcon->role == HCI_ROLE_MASTER) { - struct smp_cmd_pairing cp; - - build_pairing_cmd(conn, &cp, NULL, authreq); - smp->preq[0] = SMP_CMD_PAIRING_REQ; - memcpy(&smp->preq[1], &cp, sizeof(cp)); - - smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp); - SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RSP); - } else { - struct smp_cmd_security_req cp; - cp.auth_req = authreq; - smp_send_cmd(conn, SMP_CMD_SECURITY_REQ, sizeof(cp), &cp); - SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_REQ); - } + if (hcon->role == HCI_ROLE_MASTER) + smp_send_pairing_req(smp, authreq); + else + smp_send_security_req(smp, authreq); - set_bit(SMP_FLAG_INITIATOR, &smp->flags); ret = 0; unlock: @@ -2688,8 +2691,6 @@ static int smp_cmd_sign_info(struct l2cap_conn *conn, struct sk_buff *skb) static u8 sc_select_method(struct smp_chan *smp) { - struct l2cap_conn *conn = smp->conn; - struct hci_conn *hcon = conn->hcon; struct smp_cmd_pairing *local, *remote; u8 local_mitm, remote_mitm, local_io, remote_io, method; @@ -2702,7 +2703,7 @@ static u8 sc_select_method(struct smp_chan *smp) * the "struct smp_cmd_pairing" from them we need to skip the * first byte which contains the opcode. */ - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { local = (void *) &smp->preq[1]; remote = (void *) &smp->prsp[1]; } else { @@ -2771,7 +2772,7 @@ static int smp_cmd_public_key(struct l2cap_conn *conn, struct sk_buff *skb) /* Non-initiating device sends its public key after receiving * the key from the initiating device. */ - if (!hcon->out) { + if (!test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { err = sc_send_public_key(smp); if (err) return err; @@ -2833,7 +2834,7 @@ static int smp_cmd_public_key(struct l2cap_conn *conn, struct sk_buff *skb) } if (smp->method == REQ_OOB) { - if (hcon->out) + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(smp->prnd), smp->prnd); @@ -2842,7 +2843,7 @@ static int smp_cmd_public_key(struct l2cap_conn *conn, struct sk_buff *skb) return 0; } - if (hcon->out) + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_CONFIRM); if (smp->method == REQ_PASSKEY) { @@ -2857,7 +2858,7 @@ static int smp_cmd_public_key(struct l2cap_conn *conn, struct sk_buff *skb) /* The Initiating device waits for the non-initiating device to * send the confirm value. */ - if (conn->hcon->out) + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) return 0; err = smp_f4(smp->tfm_cmac, smp->local_pk, smp->remote_pk, smp->prnd, @@ -2891,7 +2892,7 @@ static int smp_cmd_dhkey_check(struct l2cap_conn *conn, struct sk_buff *skb) a[6] = hcon->init_addr_type; b[6] = hcon->resp_addr_type; - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { local_addr = a; remote_addr = b; memcpy(io_cap, &smp->prsp[1], 3); @@ -2916,7 +2917,7 @@ static int smp_cmd_dhkey_check(struct l2cap_conn *conn, struct sk_buff *skb) if (crypto_memneq(check->e, e, 16)) return SMP_DHKEY_CHECK_FAILED; - if (!hcon->out) { + if (!test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { if (test_bit(SMP_FLAG_WAIT_USER, &smp->flags)) { set_bit(SMP_FLAG_DHKEY_PENDING, &smp->flags); return 0; @@ -2928,7 +2929,7 @@ static int smp_cmd_dhkey_check(struct l2cap_conn *conn, struct sk_buff *skb) sc_add_ltk(smp); - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { hci_le_start_enc(hcon, 0, 0, smp->tk, smp->enc_key_size); hcon->enc_key_size = smp->enc_key_size; } @@ -3077,7 +3078,6 @@ static void bredr_pairing(struct l2cap_chan *chan) struct l2cap_conn *conn = chan->conn; struct hci_conn *hcon = conn->hcon; struct hci_dev *hdev = hcon->hdev; - struct smp_cmd_pairing req; struct smp_chan *smp; bt_dev_dbg(hdev, "chan %p", chan); @@ -3129,14 +3129,7 @@ static void bredr_pairing(struct l2cap_chan *chan) bt_dev_dbg(hdev, "starting SMP over BR/EDR"); - /* Prepare and send the BR/EDR SMP Pairing Request */ - build_bredr_pairing_cmd(smp, &req, NULL); - - smp->preq[0] = SMP_CMD_PAIRING_REQ; - memcpy(&smp->preq[1], &req, sizeof(req)); - - smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(req), &req); - SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RSP); + smp_send_pairing_req(smp, 0x00); } static void smp_resume_cb(struct l2cap_chan *chan) diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c index 11d254ce35..a0d75c33b5 100644 --- a/net/bpf/test_run.c +++ b/net/bpf/test_run.c @@ -326,10 +326,16 @@ static void __bpf_prog_test_run_raw_tp(void *data) { struct bpf_raw_tp_test_run_info *info = data; + struct bpf_trace_run_ctx run_ctx = {}; + struct bpf_run_ctx *old_run_ctx; + + old_run_ctx = bpf_set_run_ctx(&run_ctx.run_ctx); rcu_read_lock(); info->retval = bpf_prog_run(info->prog, info->ctx); rcu_read_unlock(); + + bpf_reset_run_ctx(old_run_ctx); } int bpf_prog_test_run_raw_tp(struct bpf_prog *prog, diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 8d6bab244c..b2fa4ca281 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -38,6 +38,11 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) const unsigned char *dest; u16 vid = 0; + if (unlikely(!pskb_may_pull(skb, ETH_HLEN))) { + kfree_skb(skb); + return NETDEV_TX_OK; + } + memset(skb->cb, 0, sizeof(struct br_input_skb_cb)); rcu_read_lock(); diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 46812b6597..83ec74b673 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -1299,12 +1299,10 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, modified = true; } - if (test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags)) { + if (test_and_set_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags)) { /* Refresh entry */ fdb->used = jiffies; - } else if (!test_bit(BR_FDB_ADDED_BY_USER, &fdb->flags)) { - /* Take over SW learned entry */ - set_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags); + } else { modified = true; } diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 9765f9f9bf..3cd2b64840 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -1890,16 +1890,14 @@ void br_multicast_del_port(struct net_bridge_port *port) { struct net_bridge *br = port->br; struct net_bridge_port_group *pg; - HLIST_HEAD(deleted_head); struct hlist_node *n; /* Take care of the remaining groups, only perm ones should be left */ spin_lock_bh(&br->multicast_lock); hlist_for_each_entry_safe(pg, n, &port->mglist, mglist) br_multicast_find_del_pg(br, pg); - hlist_move_list(&br->mcast_gc_list, &deleted_head); spin_unlock_bh(&br->multicast_lock); - br_multicast_gc(&deleted_head); + flush_work(&br->mcast_gc_work); br_multicast_port_ctx_deinit(&port->multicast_ctx); free_percpu(port->mcast_stats); } diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c index 9981e0dfdd..7cd2bef583 100644 --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -33,6 +33,7 @@ #include #include #include +#include #include #include #include @@ -602,8 +603,12 @@ static unsigned int br_nf_local_in(void *priv, if (likely(nf_ct_is_confirmed(ct))) return NF_ACCEPT; + if (WARN_ON_ONCE(refcount_read(&nfct->use) != 1)) { + nf_reset_ct(skb); + return NF_ACCEPT; + } + WARN_ON_ONCE(skb_shared(skb)); - WARN_ON_ONCE(refcount_read(&nfct->use) != 1); /* We can't call nf_confirm here, it would create a dependency * on nf_conntrack module. @@ -847,6 +852,10 @@ static int br_nf_dev_queue_xmit(struct net *net, struct sock *sk, struct sk_buff return br_dev_queue_push_xmit(net, sk, skb); } + /* Fragmentation on metadata/template dst is not supported */ + if (unlikely(!skb_valid_dst(skb))) + goto drop; + /* This is wrong! We should preserve the original fragment * boundaries by preserving frag_list rather than refragmenting. */ diff --git a/net/can/bcm.c b/net/can/bcm.c index a2fd68d114..5a8bcfe9e3 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -1423,6 +1423,12 @@ static void bcm_notify(struct bcm_sock *bo, unsigned long msg, /* remove device reference, if this is our bound device */ if (bo->bound && bo->ifindex == dev->ifindex) { +#if IS_ENABLED(CONFIG_PROC_FS) + if (sock_net(sk)->can.bcmproc_dir && bo->bcm_proc_read) { + remove_proc_entry(bo->procname, sock_net(sk)->can.bcmproc_dir); + bo->bcm_proc_read = NULL; + } +#endif bo->bound = 0; bo->ifindex = 0; notify_enodev = 1; diff --git a/net/can/j1939/main.c b/net/can/j1939/main.c index 0ef399abd0..cc03ea2f89 100644 --- a/net/can/j1939/main.c +++ b/net/can/j1939/main.c @@ -30,10 +30,6 @@ MODULE_ALIAS("can-proto-" __stringify(CAN_J1939)); /* CAN_HDR: #bytes before can_frame data part */ #define J1939_CAN_HDR (offsetof(struct can_frame, data)) -/* CAN_FTR: #bytes beyond data part */ -#define J1939_CAN_FTR (sizeof(struct can_frame) - J1939_CAN_HDR - \ - sizeof(((struct can_frame *)0)->data)) - /* lowest layer */ static void j1939_can_recv(struct sk_buff *iskb, void *data) { @@ -338,7 +334,7 @@ int j1939_send_one(struct j1939_priv *priv, struct sk_buff *skb) memset(cf, 0, J1939_CAN_HDR); /* make it a full can frame again */ - skb_put(skb, J1939_CAN_FTR + (8 - dlc)); + skb_put_zero(skb, 8 - dlc); canid = CAN_EFF_FLAG | (skcb->priority << 26) | diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c index bd8ec24338..5d2097e5ca 100644 --- a/net/can/j1939/transport.c +++ b/net/can/j1939/transport.c @@ -1179,10 +1179,10 @@ static enum hrtimer_restart j1939_tp_txtimer(struct hrtimer *hrtimer) break; case -ENETDOWN: /* In this case we should get a netdev_event(), all active - * sessions will be cleared by - * j1939_cancel_all_active_sessions(). So handle this as an - * error, but let j1939_cancel_all_active_sessions() do the - * cleanup including propagation of the error to user space. + * sessions will be cleared by j1939_cancel_active_session(). + * So handle this as an error, but let + * j1939_cancel_active_session() do the cleanup including + * propagation of the error to user space. */ break; case -EOVERFLOW: @@ -1593,8 +1593,8 @@ j1939_session *j1939_xtp_rx_rts_session_new(struct j1939_priv *priv, struct j1939_sk_buff_cb skcb = *j1939_skb_to_cb(skb); struct j1939_session *session; const u8 *dat; + int len, ret; pgn_t pgn; - int len; netdev_dbg(priv->ndev, "%s\n", __func__); @@ -1653,7 +1653,22 @@ j1939_session *j1939_xtp_rx_rts_session_new(struct j1939_priv *priv, session->tskey = priv->rx_tskey++; j1939_sk_errqueue(session, J1939_ERRQUEUE_RX_RTS); - WARN_ON_ONCE(j1939_session_activate(session)); + ret = j1939_session_activate(session); + if (ret) { + /* Entering this scope indicates an issue with the J1939 bus. + * Possible scenarios include: + * - A time lapse occurred, and a new session was initiated + * due to another packet being sent correctly. This could + * have been caused by too long interrupt, debugger, or being + * out-scheduled by another task. + * - The bus is receiving numerous erroneous packets, either + * from a malfunctioning device or during a test scenario. + */ + netdev_alert(priv->ndev, "%s: 0x%p: concurrent session with same addr (%02x %02x) is already active.\n", + __func__, session, skcb.addr.sa, skcb.addr.da); + j1939_session_put(session); + return NULL; + } return session; } @@ -1681,6 +1696,8 @@ static int j1939_xtp_rx_rts_session_active(struct j1939_session *session, j1939_session_timers_cancel(session); j1939_session_cancel(session, J1939_XTP_ABORT_BUSY); + if (session->transmission) + j1939_session_deactivate_activate_next(session); return -EBUSY; } diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c index 013cbdb6cf..70b01a9ece 100644 --- a/net/ceph/mon_client.c +++ b/net/ceph/mon_client.c @@ -1085,13 +1085,19 @@ static void delayed_work(struct work_struct *work) struct ceph_mon_client *monc = container_of(work, struct ceph_mon_client, delayed_work.work); - dout("monc delayed_work\n"); mutex_lock(&monc->mutex); + dout("%s mon%d\n", __func__, monc->cur_mon); + if (monc->cur_mon < 0) { + goto out; + } + if (monc->hunting) { dout("%s continuing hunt\n", __func__); reopen_session(monc); } else { int is_auth = ceph_auth_is_authenticated(monc->auth); + + dout("%s is_authed %d\n", __func__, is_auth); if (ceph_con_keepalive_expired(&monc->con, CEPH_MONC_PING_TIMEOUT)) { dout("monc keepalive timeout\n"); @@ -1116,6 +1122,8 @@ static void delayed_work(struct work_struct *work) } } __schedule_delayed(monc); + +out: mutex_unlock(&monc->mutex); } @@ -1233,13 +1241,15 @@ EXPORT_SYMBOL(ceph_monc_init); void ceph_monc_stop(struct ceph_mon_client *monc) { dout("stop\n"); - cancel_delayed_work_sync(&monc->delayed_work); mutex_lock(&monc->mutex); __close_session(monc); + monc->hunting = false; monc->cur_mon = -1; mutex_unlock(&monc->mutex); + cancel_delayed_work_sync(&monc->delayed_work); + /* * flush msgr queue before we destroy ourselves to ensure that: * - any work that references our embedded con is finished. diff --git a/net/core/datagram.c b/net/core/datagram.c index 1ff8241217..13f4bf82b2 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -440,15 +440,23 @@ static int __skb_datagram_iter(const struct sk_buff *skb, int offset, end = start + skb_frag_size(frag); if ((copy = end - offset) > 0) { - struct page *page = skb_frag_page(frag); - u8 *vaddr = kmap(page); + u32 p_off, p_len, copied; + struct page *p; + u8 *vaddr; if (copy > len) copy = len; - n = INDIRECT_CALL_1(cb, simple_copy_to_iter, - vaddr + skb_frag_off(frag) + offset - start, - copy, data, to); - kunmap(page); + + n = 0; + skb_frag_foreach_page(frag, + skb_frag_off(frag) + offset - start, + copy, p, p_off, p_len, copied) { + vaddr = kmap_local_page(p); + n += INDIRECT_CALL_1(cb, simple_copy_to_iter, + vaddr + p_off, p_len, data, to); + kunmap_local(vaddr); + } + offset += n; if (n != copy) goto short_copy; diff --git a/net/core/dev.c b/net/core/dev.c index e86ef1a164..15ed4a79be 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3668,6 +3668,9 @@ int skb_csum_hwoffload_help(struct sk_buff *skb, return 0; if (features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)) { + if (vlan_get_protocol(skb) == htons(ETH_P_IPV6) && + skb_network_header_len(skb) != sizeof(struct ipv6hdr)) + goto sw_checksum; switch (skb->csum_offset) { case offsetof(struct tcphdr, check): case offsetof(struct udphdr, check): @@ -3675,6 +3678,7 @@ int skb_csum_hwoffload_help(struct sk_buff *skb, } } +sw_checksum: return skb_checksum_help(skb); } EXPORT_SYMBOL(skb_csum_hwoffload_help); @@ -3787,7 +3791,7 @@ static void qdisc_pkt_len_init(struct sk_buff *skb) sizeof(_tcphdr), &_tcphdr); if (likely(th)) hdr_len += __tcp_hdrlen(th); - } else { + } else if (shinfo->gso_type & SKB_GSO_UDP_L4) { struct udphdr _udphdr; if (skb_header_pointer(skb, skb_transport_offset(skb), @@ -3795,10 +3799,14 @@ static void qdisc_pkt_len_init(struct sk_buff *skb) hdr_len += sizeof(struct udphdr); } - if (shinfo->gso_type & SKB_GSO_DODGY) - gso_segs = DIV_ROUND_UP(skb->len - hdr_len, - shinfo->gso_size); + if (unlikely(shinfo->gso_type & SKB_GSO_DODGY)) { + int payload = skb->len - hdr_len; + /* Malicious packet. */ + if (payload <= 0) + return; + gso_segs = DIV_ROUND_UP(payload, shinfo->gso_size); + } qdisc_skb_cb(skb)->pkt_len += (gso_segs - 1) * hdr_len; } } diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c index 937d74aeef..d9a6cdc48c 100644 --- a/net/core/drop_monitor.c +++ b/net/core/drop_monitor.c @@ -73,7 +73,7 @@ struct net_dm_hw_entries { }; struct per_cpu_dm_data { - spinlock_t lock; /* Protects 'skb', 'hw_entries' and + raw_spinlock_t lock; /* Protects 'skb', 'hw_entries' and * 'send_timer' */ union { @@ -169,9 +169,9 @@ static struct sk_buff *reset_per_cpu_data(struct per_cpu_dm_data *data) err: mod_timer(&data->send_timer, jiffies + HZ / 10); out: - spin_lock_irqsave(&data->lock, flags); + raw_spin_lock_irqsave(&data->lock, flags); swap(data->skb, skb); - spin_unlock_irqrestore(&data->lock, flags); + raw_spin_unlock_irqrestore(&data->lock, flags); if (skb) { struct nlmsghdr *nlh = (struct nlmsghdr *)skb->data; @@ -226,7 +226,7 @@ static void trace_drop_common(struct sk_buff *skb, void *location) local_irq_save(flags); data = this_cpu_ptr(&dm_cpu_data); - spin_lock(&data->lock); + raw_spin_lock(&data->lock); dskb = data->skb; if (!dskb) @@ -260,7 +260,7 @@ static void trace_drop_common(struct sk_buff *skb, void *location) } out: - spin_unlock_irqrestore(&data->lock, flags); + raw_spin_unlock_irqrestore(&data->lock, flags); } static void trace_kfree_skb_hit(void *ignore, struct sk_buff *skb, @@ -321,9 +321,9 @@ net_dm_hw_reset_per_cpu_data(struct per_cpu_dm_data *hw_data) mod_timer(&hw_data->send_timer, jiffies + HZ / 10); } - spin_lock_irqsave(&hw_data->lock, flags); + raw_spin_lock_irqsave(&hw_data->lock, flags); swap(hw_data->hw_entries, hw_entries); - spin_unlock_irqrestore(&hw_data->lock, flags); + raw_spin_unlock_irqrestore(&hw_data->lock, flags); return hw_entries; } @@ -455,7 +455,7 @@ net_dm_hw_trap_summary_probe(void *ignore, const struct devlink *devlink, return; hw_data = this_cpu_ptr(&dm_hw_cpu_data); - spin_lock_irqsave(&hw_data->lock, flags); + raw_spin_lock_irqsave(&hw_data->lock, flags); hw_entries = hw_data->hw_entries; if (!hw_entries) @@ -484,7 +484,7 @@ net_dm_hw_trap_summary_probe(void *ignore, const struct devlink *devlink, } out: - spin_unlock_irqrestore(&hw_data->lock, flags); + raw_spin_unlock_irqrestore(&hw_data->lock, flags); } static const struct net_dm_alert_ops net_dm_alert_summary_ops = { @@ -1671,7 +1671,7 @@ static struct notifier_block dropmon_net_notifier = { static void __net_dm_cpu_data_init(struct per_cpu_dm_data *data) { - spin_lock_init(&data->lock); + raw_spin_lock_init(&data->lock); skb_queue_head_init(&data->drop_queue); u64_stats_init(&data->stats.syncp); } diff --git a/net/core/dst.c b/net/core/dst.c index 1797c6ebdb..6d74b46630 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -108,9 +108,6 @@ struct dst_entry *dst_destroy(struct dst_entry * dst) child = xdst->child; } #endif - if (!(dst->flags & DST_NOCOUNT)) - dst_entries_add(dst->ops, -1); - if (dst->ops->destroy) dst->ops->destroy(dst); dev_put(dst->dev); @@ -160,6 +157,12 @@ void dst_dev_put(struct dst_entry *dst) } EXPORT_SYMBOL(dst_dev_put); +static void dst_count_dec(struct dst_entry *dst) +{ + if (!(dst->flags & DST_NOCOUNT)) + dst_entries_add(dst->ops, -1); +} + void dst_release(struct dst_entry *dst) { if (dst) { @@ -169,8 +172,10 @@ void dst_release(struct dst_entry *dst) if (WARN_ONCE(newrefcnt < 0, "dst_release underflow")) net_warn_ratelimited("%s: dst:%p refcnt:%d\n", __func__, dst, newrefcnt); - if (!newrefcnt) + if (!newrefcnt){ + dst_count_dec(dst); call_rcu(&dst->rcu_head, dst_destroy_rcu); + } } } EXPORT_SYMBOL(dst_release); @@ -184,8 +189,10 @@ void dst_release_immediate(struct dst_entry *dst) if (WARN_ONCE(newrefcnt < 0, "dst_release_immediate underflow")) net_warn_ratelimited("%s: dst:%p refcnt:%d\n", __func__, dst, newrefcnt); - if (!newrefcnt) + if (!newrefcnt){ + dst_count_dec(dst); dst_destroy(dst); + } } } EXPORT_SYMBOL(dst_release_immediate); diff --git a/net/core/filter.c b/net/core/filter.c index 47eb1bd47a..b5e1e087a2 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -79,6 +79,9 @@ #include #include +/* Keep the struct bpf_fib_lookup small so that it fits into a cacheline */ +static_assert(sizeof(struct bpf_fib_lookup) == 64, "struct bpf_fib_lookup size check"); + static const struct bpf_func_proto * bpf_sk_base_func_proto(enum bpf_func_id func_id); @@ -2402,9 +2405,9 @@ static int __bpf_redirect_neigh(struct sk_buff *skb, struct net_device *dev, /* Internal, non-exposed redirect flags. */ enum { - BPF_F_NEIGH = (1ULL << 1), - BPF_F_PEER = (1ULL << 2), - BPF_F_NEXTHOP = (1ULL << 3), + BPF_F_NEIGH = (1ULL << 16), + BPF_F_PEER = (1ULL << 17), + BPF_F_NEXTHOP = (1ULL << 18), #define BPF_F_REDIRECT_INTERNAL (BPF_F_NEIGH | BPF_F_PEER | BPF_F_NEXTHOP) }; @@ -2414,6 +2417,8 @@ BPF_CALL_3(bpf_clone_redirect, struct sk_buff *, skb, u32, ifindex, u64, flags) struct sk_buff *clone; int ret; + BUILD_BUG_ON(BPF_F_REDIRECT_INTERNAL & BPF_F_REDIRECT_FLAGS); + if (unlikely(flags & (~(BPF_F_INGRESS) | BPF_F_REDIRECT_INTERNAL))) return -EINVAL; @@ -3504,13 +3509,20 @@ static int bpf_skb_net_grow(struct sk_buff *skb, u32 off, u32 len_diff, if (skb_is_gso(skb)) { struct skb_shared_info *shinfo = skb_shinfo(skb); - /* Due to header grow, MSS needs to be downgraded. */ - if (!(flags & BPF_F_ADJ_ROOM_FIXED_GSO)) - skb_decrease_gso_size(shinfo, len_diff); - /* Header must be checked, and gso_segs recomputed. */ shinfo->gso_type |= gso_type; shinfo->gso_segs = 0; + + /* Due to header growth, MSS needs to be downgraded. + * There is a BUG_ON() when segmenting the frag_list with + * head_frag true, so linearize the skb after downgrading + * the MSS. + */ + if (!(flags & BPF_F_ADJ_ROOM_FIXED_GSO)) { + skb_decrease_gso_size(shinfo, len_diff); + if (shinfo->frag_list) + return skb_linearize(skb); + } } return 0; diff --git a/net/core/link_watch.c b/net/core/link_watch.c index 9599afd086..010b39f4a1 100644 --- a/net/core/link_watch.c +++ b/net/core/link_watch.c @@ -138,9 +138,9 @@ static void linkwatch_schedule_work(int urgent) * override the existing timer. */ if (test_bit(LW_URGENT, &linkwatch_flags)) - mod_delayed_work(system_wq, &linkwatch_work, 0); + mod_delayed_work(system_unbound_wq, &linkwatch_work, 0); else - schedule_delayed_work(&linkwatch_work, delay); + queue_delayed_work(system_unbound_wq, &linkwatch_work, delay); } diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index e9ea0695ef..173ea92124 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -214,7 +214,7 @@ static ssize_t speed_show(struct device *dev, if (!rtnl_trylock()) return restart_syscall(); - if (netif_running(netdev) && netif_device_present(netdev)) { + if (netif_running(netdev)) { struct ethtool_link_ksettings cmd; if (!__ethtool_get_link_ksettings(netdev, &cmd)) diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index a209db33fa..3addbce20f 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -651,11 +651,16 @@ EXPORT_SYMBOL_GPL(__put_net); * get_net_ns - increment the refcount of the network namespace * @ns: common namespace (net) * - * Returns the net's common namespace. + * Returns the net's common namespace or ERR_PTR() if ref is zero. */ struct ns_common *get_net_ns(struct ns_common *ns) { - return &get_net(container_of(ns, struct net, ns))->ns; + struct net *net; + + net = maybe_get_net(container_of(ns, struct net, ns)); + if (net) + return &net->ns; + return ERR_PTR(-EINVAL); } EXPORT_SYMBOL_GPL(get_net_ns); diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 47a86da6ab..2a9d95368d 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -316,7 +316,7 @@ static int netpoll_owner_active(struct net_device *dev) struct napi_struct *napi; list_for_each_entry_rcu(napi, &dev->napi_list, dev_list) { - if (napi->poll_owner == smp_processor_id()) + if (READ_ONCE(napi->poll_owner) == smp_processor_id()) return 1; } return 0; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index d25632fbfa..24795110b2 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -348,6 +348,35 @@ void rtnl_unregister_all(int protocol) } EXPORT_SYMBOL_GPL(rtnl_unregister_all); +int __rtnl_register_many(const struct rtnl_msg_handler *handlers, int n) +{ + const struct rtnl_msg_handler *handler; + int i, err; + + for (i = 0, handler = handlers; i < n; i++, handler++) { + err = rtnl_register_internal(handler->owner, handler->protocol, + handler->msgtype, handler->doit, + handler->dumpit, handler->flags); + if (err) { + __rtnl_unregister_many(handlers, i); + break; + } + } + + return err; +} +EXPORT_SYMBOL_GPL(__rtnl_register_many); + +void __rtnl_unregister_many(const struct rtnl_msg_handler *handlers, int n) +{ + const struct rtnl_msg_handler *handler; + int i; + + for (i = n - 1, handler = handlers + n - 1; i >= 0; i--, handler--) + rtnl_unregister(handler->protocol, handler->msgtype); +} +EXPORT_SYMBOL_GPL(__rtnl_unregister_many); + static LIST_HEAD(link_ops); static const struct rtnl_link_ops *rtnl_link_ops_get(const char *kind) @@ -2617,17 +2646,23 @@ static int do_set_proto_down(struct net_device *dev, static int do_setlink(const struct sk_buff *skb, struct net_device *dev, struct ifinfomsg *ifm, struct netlink_ext_ack *extack, - struct nlattr **tb, char *ifname, int status) + struct nlattr **tb, int status) { const struct net_device_ops *ops = dev->netdev_ops; + char ifname[IFNAMSIZ]; int err; err = validate_linkmsg(dev, tb, extack); if (err < 0) return err; + if (tb[IFLA_IFNAME]) + nla_strscpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ); + else + ifname[0] = '\0'; + if (tb[IFLA_NET_NS_PID] || tb[IFLA_NET_NS_FD] || tb[IFLA_TARGET_NETNSID]) { - const char *pat = ifname && ifname[0] ? ifname : NULL; + const char *pat = ifname[0] ? ifname : NULL; struct net *net; int new_ifindex; @@ -2974,21 +3009,16 @@ static int do_setlink(const struct sk_buff *skb, } static struct net_device *rtnl_dev_get(struct net *net, - struct nlattr *ifname_attr, - struct nlattr *altifname_attr, - char *ifname) -{ - char buffer[ALTIFNAMSIZ]; - - if (!ifname) { - ifname = buffer; - if (ifname_attr) - nla_strscpy(ifname, ifname_attr, IFNAMSIZ); - else if (altifname_attr) - nla_strscpy(ifname, altifname_attr, ALTIFNAMSIZ); - else - return NULL; - } + struct nlattr *tb[]) +{ + char ifname[ALTIFNAMSIZ]; + + if (tb[IFLA_IFNAME]) + nla_strscpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ); + else if (tb[IFLA_ALT_IFNAME]) + nla_strscpy(ifname, tb[IFLA_ALT_IFNAME], ALTIFNAMSIZ); + else + return NULL; return __dev_get_by_name(net, ifname); } @@ -3001,7 +3031,6 @@ static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, struct net_device *dev; int err; struct nlattr *tb[IFLA_MAX+1]; - char ifname[IFNAMSIZ]; err = nlmsg_parse_deprecated(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy, extack); @@ -3012,17 +3041,12 @@ static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, if (err < 0) goto errout; - if (tb[IFLA_IFNAME]) - nla_strscpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ); - else - ifname[0] = '\0'; - err = -EINVAL; ifm = nlmsg_data(nlh); if (ifm->ifi_index > 0) dev = __dev_get_by_index(net, ifm->ifi_index); else if (tb[IFLA_IFNAME] || tb[IFLA_ALT_IFNAME]) - dev = rtnl_dev_get(net, NULL, tb[IFLA_ALT_IFNAME], ifname); + dev = rtnl_dev_get(net, tb); else goto errout; @@ -3031,7 +3055,7 @@ static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, goto errout; } - err = do_setlink(skb, dev, ifm, extack, tb, ifname, 0); + err = do_setlink(skb, dev, ifm, extack, tb, 0); errout: return err; } @@ -3120,8 +3144,7 @@ static int rtnl_dellink(struct sk_buff *skb, struct nlmsghdr *nlh, if (ifm->ifi_index > 0) dev = __dev_get_by_index(tgt_net, ifm->ifi_index); else if (tb[IFLA_IFNAME] || tb[IFLA_ALT_IFNAME]) - dev = rtnl_dev_get(net, tb[IFLA_IFNAME], - tb[IFLA_ALT_IFNAME], NULL); + dev = rtnl_dev_get(tgt_net, tb); else if (tb[IFLA_GROUP]) err = rtnl_group_dellink(tgt_net, nla_get_u32(tb[IFLA_GROUP])); else @@ -3267,7 +3290,7 @@ static int rtnl_group_changelink(const struct sk_buff *skb, for_each_netdev_safe(net, dev, aux) { if (dev->group == group) { - err = do_setlink(skb, dev, ifm, extack, tb, NULL, 0); + err = do_setlink(skb, dev, ifm, extack, tb, 0); if (err < 0) return err; } @@ -3309,11 +3332,6 @@ static int __rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, if (err < 0) return err; - if (tb[IFLA_IFNAME]) - nla_strscpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ); - else - ifname[0] = '\0'; - ifm = nlmsg_data(nlh); if (ifm->ifi_index > 0) { link_specified = true; @@ -3323,7 +3341,7 @@ static int __rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, return -EINVAL; } else if (tb[IFLA_IFNAME] || tb[IFLA_ALT_IFNAME]) { link_specified = true; - dev = rtnl_dev_get(net, NULL, tb[IFLA_ALT_IFNAME], ifname); + dev = rtnl_dev_get(net, tb); } else { link_specified = false; dev = NULL; @@ -3426,7 +3444,7 @@ static int __rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, status |= DO_SETLINK_NOTIFY; } - return do_setlink(skb, dev, ifm, extack, tb, ifname, status); + return do_setlink(skb, dev, ifm, extack, tb, status); } if (!(nlh->nlmsg_flags & NLM_F_CREATE)) { @@ -3463,7 +3481,9 @@ static int __rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, if (!ops->alloc && !ops->setup) return -EOPNOTSUPP; - if (!ifname[0]) { + if (tb[IFLA_IFNAME]) { + nla_strscpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ); + } else { snprintf(ifname, IFNAMSIZ, "%s%%d", ops->kind); name_assign_type = NET_NAME_ENUM; } @@ -3635,8 +3655,7 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr *nlh, if (ifm->ifi_index > 0) dev = __dev_get_by_index(tgt_net, ifm->ifi_index); else if (tb[IFLA_IFNAME] || tb[IFLA_ALT_IFNAME]) - dev = rtnl_dev_get(tgt_net, tb[IFLA_IFNAME], - tb[IFLA_ALT_IFNAME], NULL); + dev = rtnl_dev_get(tgt_net, tb); else goto out; @@ -3731,8 +3750,7 @@ static int rtnl_linkprop(int cmd, struct sk_buff *skb, struct nlmsghdr *nlh, if (ifm->ifi_index > 0) dev = __dev_get_by_index(net, ifm->ifi_index); else if (tb[IFLA_IFNAME] || tb[IFLA_ALT_IFNAME]) - dev = rtnl_dev_get(net, tb[IFLA_IFNAME], - tb[IFLA_ALT_IFNAME], NULL); + dev = rtnl_dev_get(net, tb); else return -EINVAL; @@ -5532,11 +5550,11 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, { struct net *net = sock_net(skb->sk); struct rtnl_link *link; + enum rtnl_kinds kind; struct module *owner; int err = -EOPNOTSUPP; rtnl_doit_func doit; unsigned int flags; - int kind; int family; int type; @@ -5553,11 +5571,11 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, family = ((struct rtgenmsg *)nlmsg_data(nlh))->rtgen_family; kind = type&3; - if (kind != 2 && !netlink_net_capable(skb, CAP_NET_ADMIN)) + if (kind != RTNL_KIND_GET && !netlink_net_capable(skb, CAP_NET_ADMIN)) return -EPERM; rcu_read_lock(); - if (kind == 2 && nlh->nlmsg_flags&NLM_F_DUMP) { + if (kind == RTNL_KIND_GET && (nlh->nlmsg_flags & NLM_F_DUMP)) { struct sock *rtnl; rtnl_dumpit_func dumpit; u32 min_dump_alloc = 0; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 4ec8cfd357..17073429cc 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2071,6 +2071,30 @@ void *skb_pull(struct sk_buff *skb, unsigned int len) } EXPORT_SYMBOL(skb_pull); +/** + * skb_pull_data - remove data from the start of a buffer returning its + * original position. + * @skb: buffer to use + * @len: amount of data to remove + * + * This function removes data from the start of a buffer, returning + * the memory to the headroom. A pointer to the original data in the buffer + * is returned after checking if there is enough data to pull. Once the + * data has been pulled future pushes will overwrite the old data. + */ +void *skb_pull_data(struct sk_buff *skb, size_t len) +{ + void *data = skb->data; + + if (skb->len < len) + return NULL; + + skb_pull(skb, len); + + return data; +} +EXPORT_SYMBOL(skb_pull_data); + /** * skb_trim - remove end from a buffer * @skb: buffer to alter diff --git a/net/core/skmsg.c b/net/core/skmsg.c index ec8671ecca..84824f715a 100644 --- a/net/core/skmsg.c +++ b/net/core/skmsg.c @@ -434,7 +434,8 @@ int sk_msg_recvmsg(struct sock *sk, struct sk_psock *psock, struct msghdr *msg, page = sg_page(sge); if (copied + copy > len) copy = len - copied; - copy = copy_page_to_iter(page, sge->offset, copy, iter); + if (copy) + copy = copy_page_to_iter(page, sge->offset, copy, iter); if (!copy) { copied = copied ? copied : -EFAULT; goto out; diff --git a/net/core/sock.c b/net/core/sock.c index 62e376f09f..046943b6ef 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -3413,7 +3413,8 @@ int sock_common_getsockopt(struct socket *sock, int level, int optname, { struct sock *sk = sock->sk; - return sk->sk_prot->getsockopt(sk, level, optname, optval, optlen); + /* IPV6_ADDRFORM can change sk->sk_prot under us. */ + return READ_ONCE(sk->sk_prot)->getsockopt(sk, level, optname, optval, optlen); } EXPORT_SYMBOL(sock_common_getsockopt); @@ -3440,7 +3441,8 @@ int sock_common_setsockopt(struct socket *sock, int level, int optname, { struct sock *sk = sock->sk; - return sk->sk_prot->setsockopt(sk, level, optname, optval, optlen); + /* IPV6_ADDRFORM can change sk->sk_prot under us. */ + return READ_ONCE(sk->sk_prot)->setsockopt(sk, level, optname, optval, optlen); } EXPORT_SYMBOL(sock_common_setsockopt); @@ -3459,6 +3461,9 @@ void sk_common_release(struct sock *sk) sk->sk_prot->unhash(sk); + if (sk->sk_socket) + sk->sk_socket->sk = NULL; + /* * In this point socket cannot receive new packets, but it is possible * that some packets are in flight because some CPU runs receiver and @@ -3497,19 +3502,8 @@ void sk_get_meminfo(const struct sock *sk, u32 *mem) } #ifdef CONFIG_PROC_FS -#define PROTO_INUSE_NR 64 /* should be enough for the first time */ -struct prot_inuse { - int val[PROTO_INUSE_NR]; -}; - static DECLARE_BITMAP(proto_inuse_idx, PROTO_INUSE_NR); -void sock_prot_inuse_add(struct net *net, struct proto *prot, int val) -{ - __this_cpu_add(net->core.prot_inuse->val[prot->inuse_idx], val); -} -EXPORT_SYMBOL_GPL(sock_prot_inuse_add); - int sock_prot_inuse_get(struct net *net, struct proto *prot) { int cpu, idx = prot->inuse_idx; diff --git a/net/core/sock_map.c b/net/core/sock_map.c index 2ded250ac0..9ef58dd113 100644 --- a/net/core/sock_map.c +++ b/net/core/sock_map.c @@ -1177,6 +1177,7 @@ static void sock_hash_free(struct bpf_map *map) sock_put(elem->sk); sock_hash_free_elem(htab, elem); } + cond_resched(); } /* wait for psock readers accessing its map link */ @@ -1566,19 +1567,23 @@ void sock_map_close(struct sock *sk, long timeout) lock_sock(sk); rcu_read_lock(); - psock = sk_psock_get(sk); - if (unlikely(!psock)) { - rcu_read_unlock(); - release_sock(sk); - saved_close = READ_ONCE(sk->sk_prot)->close; - } else { + psock = sk_psock(sk); + if (likely(psock)) { saved_close = psock->saved_close; sock_map_remove_links(sk, psock); + psock = sk_psock_get(sk); + if (unlikely(!psock)) + goto no_psock; rcu_read_unlock(); sk_psock_stop(psock); release_sock(sk); cancel_delayed_work_sync(&psock->work); sk_psock_put(sk, psock); + } else { + saved_close = READ_ONCE(sk->sk_prot)->close; +no_psock: + rcu_read_unlock(); + release_sock(sk); } /* Make sure we do not recurse. This is a bug. diff --git a/net/core/xdp.c b/net/core/xdp.c index a3e3d2538a..4a9c2f4ece 100644 --- a/net/core/xdp.c +++ b/net/core/xdp.c @@ -124,10 +124,8 @@ void xdp_unreg_mem_model(struct xdp_mem_info *mem) return; if (type == MEM_TYPE_PAGE_POOL) { - rcu_read_lock(); - xa = rhashtable_lookup(mem_id_ht, &id, mem_id_rht_params); + xa = rhashtable_lookup_fast(mem_id_ht, &id, mem_id_rht_params); page_pool_destroy(xa->page_pool); - rcu_read_unlock(); } } EXPORT_SYMBOL_GPL(xdp_unreg_mem_model); @@ -292,10 +290,8 @@ static struct xdp_mem_allocator *__xdp_reg_mem_model(struct xdp_mem_info *mem, mutex_lock(&mem_id_lock); ret = __mem_id_init_hash_table(); mutex_unlock(&mem_id_lock); - if (ret < 0) { - WARN_ON(1); + if (ret < 0) return ERR_PTR(ret); - } } xdp_alloc = kzalloc(sizeof(*xdp_alloc), gfp); diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index cab82344de..aaef9557d9 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -649,8 +649,11 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb) if (dccp_v4_send_response(sk, req)) goto drop_and_free; - inet_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT); - reqsk_put(req); + if (unlikely(!inet_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT))) + reqsk_free(req); + else + reqsk_put(req); + return 0; drop_and_free: diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 6f05e9d0d4..f7c88b860d 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -397,8 +397,11 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb) if (dccp_v6_send_response(sk, req)) goto drop_and_free; - inet_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT); - reqsk_put(req); + if (unlikely(!inet_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT))) + reqsk_free(req); + else + reqsk_put(req); + return 0; drop_and_free: diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index 9ad4a15232..ab2ef62501 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -425,11 +425,10 @@ struct sk_buff *eth_gro_receive(struct list_head *head, struct sk_buff *skb) type = eh->h_proto; - rcu_read_lock(); ptype = gro_find_receive_by_type(type); if (ptype == NULL) { flush = 1; - goto out_unlock; + goto out; } skb_gro_pull(skb, sizeof(*eh)); @@ -439,8 +438,6 @@ struct sk_buff *eth_gro_receive(struct list_head *head, struct sk_buff *skb) ipv6_gro_receive, inet_gro_receive, head, skb); -out_unlock: - rcu_read_unlock(); out: skb_gro_flush_final(skb, pp, flush); @@ -458,14 +455,12 @@ int eth_gro_complete(struct sk_buff *skb, int nhoff) if (skb->encapsulation) skb_set_inner_mac_header(skb, nhoff); - rcu_read_lock(); ptype = gro_find_complete_by_type(type); if (ptype != NULL) err = INDIRECT_CALL_INET(ptype->callbacks.gro_complete, ipv6_gro_complete, inet_gro_complete, skb, nhoff + sizeof(*eh)); - rcu_read_unlock(); return err; } EXPORT_SYMBOL(eth_gro_complete); diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index 53e2ef6ada..1e9e70a633 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -433,6 +433,9 @@ int __ethtool_get_link_ksettings(struct net_device *dev, if (!dev->ethtool_ops->get_link_ksettings) return -EOPNOTSUPP; + if (!netif_device_present(dev)) + return -ENODEV; + memset(link_ksettings, 0, sizeof(*link_ksettings)); return dev->ethtool_ops->get_link_ksettings(dev, link_ksettings); } diff --git a/net/ethtool/linkstate.c b/net/ethtool/linkstate.c index fb676f3494..470582a70c 100644 --- a/net/ethtool/linkstate.c +++ b/net/ethtool/linkstate.c @@ -36,6 +36,8 @@ static int linkstate_get_sqi(struct net_device *dev) mutex_lock(&phydev->lock); if (!phydev->drv || !phydev->drv->get_sqi) ret = -EOPNOTSUPP; + else if (!phydev->link) + ret = -ENETDOWN; else ret = phydev->drv->get_sqi(phydev); mutex_unlock(&phydev->lock); @@ -54,6 +56,8 @@ static int linkstate_get_sqi_max(struct net_device *dev) mutex_lock(&phydev->lock); if (!phydev->drv || !phydev->drv->get_sqi_max) ret = -EOPNOTSUPP; + else if (!phydev->link) + ret = -ENETDOWN; else ret = phydev->drv->get_sqi_max(phydev); mutex_unlock(&phydev->lock); @@ -61,6 +65,17 @@ static int linkstate_get_sqi_max(struct net_device *dev) return ret; }; +static bool linkstate_sqi_critical_error(int sqi) +{ + return sqi < 0 && sqi != -EOPNOTSUPP && sqi != -ENETDOWN; +} + +static bool linkstate_sqi_valid(struct linkstate_reply_data *data) +{ + return data->sqi >= 0 && data->sqi_max >= 0 && + data->sqi <= data->sqi_max; +} + static int linkstate_get_link_ext_state(struct net_device *dev, struct linkstate_reply_data *data) { @@ -92,12 +107,12 @@ static int linkstate_prepare_data(const struct ethnl_req_info *req_base, data->link = __ethtool_get_link(dev); ret = linkstate_get_sqi(dev); - if (ret < 0 && ret != -EOPNOTSUPP) + if (linkstate_sqi_critical_error(ret)) goto out; data->sqi = ret; ret = linkstate_get_sqi_max(dev); - if (ret < 0 && ret != -EOPNOTSUPP) + if (linkstate_sqi_critical_error(ret)) goto out; data->sqi_max = ret; @@ -122,11 +137,10 @@ static int linkstate_reply_size(const struct ethnl_req_info *req_base, len = nla_total_size(sizeof(u8)) /* LINKSTATE_LINK */ + 0; - if (data->sqi != -EOPNOTSUPP) - len += nla_total_size(sizeof(u32)); - - if (data->sqi_max != -EOPNOTSUPP) - len += nla_total_size(sizeof(u32)); + if (linkstate_sqi_valid(data)) { + len += nla_total_size(sizeof(u32)); /* LINKSTATE_SQI */ + len += nla_total_size(sizeof(u32)); /* LINKSTATE_SQI_MAX */ + } if (data->link_ext_state_provided) len += nla_total_size(sizeof(u8)); /* LINKSTATE_EXT_STATE */ @@ -147,13 +161,14 @@ static int linkstate_fill_reply(struct sk_buff *skb, nla_put_u8(skb, ETHTOOL_A_LINKSTATE_LINK, !!data->link)) return -EMSGSIZE; - if (data->sqi != -EOPNOTSUPP && - nla_put_u32(skb, ETHTOOL_A_LINKSTATE_SQI, data->sqi)) - return -EMSGSIZE; + if (linkstate_sqi_valid(data)) { + if (nla_put_u32(skb, ETHTOOL_A_LINKSTATE_SQI, data->sqi)) + return -EMSGSIZE; - if (data->sqi_max != -EOPNOTSUPP && - nla_put_u32(skb, ETHTOOL_A_LINKSTATE_SQI_MAX, data->sqi_max)) - return -EMSGSIZE; + if (nla_put_u32(skb, ETHTOOL_A_LINKSTATE_SQI_MAX, + data->sqi_max)) + return -EMSGSIZE; + } if (data->link_ext_state_provided) { if (nla_put_u8(skb, ETHTOOL_A_LINKSTATE_EXT_STATE, diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c index c33f46c9b6..586a6c4adf 100644 --- a/net/ieee802154/socket.c +++ b/net/ieee802154/socket.c @@ -174,8 +174,8 @@ static int raw_hash(struct sock *sk) { write_lock_bh(&raw_lock); sk_add_node(sk, &raw_head); - sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); write_unlock_bh(&raw_lock); + sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); return 0; } @@ -458,8 +458,8 @@ static int dgram_hash(struct sock *sk) { write_lock_bh(&dgram_lock); sk_add_node(sk, &dgram_head); - sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); write_unlock_bh(&dgram_lock); + sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); return 0; } diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 487f75993b..b225e049da 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -565,22 +565,27 @@ int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr, int addr_len, int flags) { struct sock *sk = sock->sk; + const struct proto *prot; int err; if (addr_len < sizeof(uaddr->sa_family)) return -EINVAL; + + /* IPV6_ADDRFORM can change sk->sk_prot under us. */ + prot = READ_ONCE(sk->sk_prot); + if (uaddr->sa_family == AF_UNSPEC) - return sk->sk_prot->disconnect(sk, flags); + return prot->disconnect(sk, flags); if (BPF_CGROUP_PRE_CONNECT_ENABLED(sk)) { - err = sk->sk_prot->pre_connect(sk, uaddr, addr_len); + err = prot->pre_connect(sk, uaddr, addr_len); if (err) return err; } if (data_race(!inet_sk(sk)->inet_num) && inet_autobind(sk)) return -EAGAIN; - return sk->sk_prot->connect(sk, uaddr, addr_len); + return prot->connect(sk, uaddr, addr_len); } EXPORT_SYMBOL(inet_dgram_connect); @@ -743,10 +748,11 @@ EXPORT_SYMBOL(inet_stream_connect); int inet_accept(struct socket *sock, struct socket *newsock, int flags, bool kern) { - struct sock *sk1 = sock->sk; + struct sock *sk1 = sock->sk, *sk2; int err = -EINVAL; - struct sock *sk2 = sk1->sk_prot->accept(sk1, flags, &err, kern); + /* IPV6_ADDRFORM can change sk->sk_prot under us. */ + sk2 = READ_ONCE(sk1->sk_prot)->accept(sk1, flags, &err, kern); if (!sk2) goto do_err; @@ -755,7 +761,9 @@ int inet_accept(struct socket *sock, struct socket *newsock, int flags, sock_rps_record_flow(sk2); WARN_ON(!((1 << sk2->sk_state) & (TCPF_ESTABLISHED | TCPF_SYN_RECV | - TCPF_CLOSE_WAIT | TCPF_CLOSE))); + TCPF_FIN_WAIT1 | TCPF_FIN_WAIT2 | + TCPF_CLOSING | TCPF_CLOSE_WAIT | + TCPF_CLOSE))); sock_graft(sk2, newsock); @@ -834,12 +842,15 @@ ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset, size_t size, int flags) { struct sock *sk = sock->sk; + const struct proto *prot; if (unlikely(inet_send_prepare(sk))) return -EAGAIN; - if (sk->sk_prot->sendpage) - return sk->sk_prot->sendpage(sk, page, offset, size, flags); + /* IPV6_ADDRFORM can change sk->sk_prot under us. */ + prot = READ_ONCE(sk->sk_prot); + if (prot->sendpage) + return prot->sendpage(sk, page, offset, size, flags); return sock_no_sendpage(sock, page, offset, size, flags); } EXPORT_SYMBOL(inet_sendpage); @@ -1466,19 +1477,18 @@ struct sk_buff *inet_gro_receive(struct list_head *head, struct sk_buff *skb) proto = iph->protocol; - rcu_read_lock(); ops = rcu_dereference(inet_offloads[proto]); if (!ops || !ops->callbacks.gro_receive) - goto out_unlock; + goto out; if (*(u8 *)iph != 0x45) - goto out_unlock; + goto out; if (ip_is_fragment(iph)) - goto out_unlock; + goto out; if (unlikely(ip_fast_csum((u8 *)iph, 5))) - goto out_unlock; + goto out; id = ntohl(*(__be32 *)&iph->id); flush = (u16)((ntohl(*(__be32 *)iph) ^ skb_gro_len(skb)) | (id & ~IP_DF)); @@ -1555,9 +1565,6 @@ struct sk_buff *inet_gro_receive(struct list_head *head, struct sk_buff *skb) pp = indirect_call_gro_receive(tcp4_gro_receive, udp4_gro_receive, ops->callbacks.gro_receive, head, skb); -out_unlock: - rcu_read_unlock(); - out: skb_gro_flush_final(skb, pp, flush); @@ -1632,10 +1639,9 @@ int inet_gro_complete(struct sk_buff *skb, int nhoff) csum_replace2(&iph->check, iph->tot_len, newlen); iph->tot_len = newlen; - rcu_read_lock(); ops = rcu_dereference(inet_offloads[proto]); if (WARN_ON(!ops || !ops->callbacks.gro_complete)) - goto out_unlock; + goto out; /* Only need to add sizeof(*iph) to get to the next hdr below * because any hdr with option will have been flushed in @@ -1645,9 +1651,7 @@ int inet_gro_complete(struct sk_buff *skb, int nhoff) tcp4_gro_complete, udp4_gro_complete, skb, nhoff + sizeof(*iph)); -out_unlock: - rcu_read_unlock(); - +out: return err; } diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index 75ac145253..016ebcbc8a 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -2015,12 +2015,16 @@ static int cipso_v4_delopt(struct ip_options_rcu __rcu **opt_ptr) * from there we can determine the new total option length */ iter = 0; optlen_new = 0; - while (iter < opt->opt.optlen) - if (opt->opt.__data[iter] != IPOPT_NOP) { + while (iter < opt->opt.optlen) { + if (opt->opt.__data[iter] == IPOPT_END) { + break; + } else if (opt->opt.__data[iter] == IPOPT_NOP) { + iter++; + } else { iter += opt->opt.__data[iter + 1]; optlen_new = iter; - } else - iter++; + } + } hdr_delta = opt->opt.optlen; opt->opt.optlen = (optlen_new + 3) & ~3; hdr_delta -= opt->opt.optlen; diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 425dfa8e4f..dcbc087fff 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -273,17 +273,19 @@ static struct in_device *inetdev_init(struct net_device *dev) /* Account for reference dev->ip_ptr (below) */ refcount_set(&in_dev->refcnt, 1); - err = devinet_sysctl_register(in_dev); - if (err) { - in_dev->dead = 1; - neigh_parms_release(&arp_tbl, in_dev->arp_parms); - in_dev_put(in_dev); - in_dev = NULL; - goto out; + if (dev != blackhole_netdev) { + err = devinet_sysctl_register(in_dev); + if (err) { + in_dev->dead = 1; + neigh_parms_release(&arp_tbl, in_dev->arp_parms); + in_dev_put(in_dev); + in_dev = NULL; + goto out; + } + ip_mc_init_dev(in_dev); + if (dev->flags & IFF_UP) + ip_mc_up(in_dev); } - ip_mc_init_dev(in_dev); - if (dev->flags & IFF_UP) - ip_mc_up(in_dev); /* we can receive as soon as ip_ptr is set -- do this last */ rcu_assign_pointer(dev->ip_ptr, in_dev); @@ -328,6 +330,19 @@ static void inetdev_destroy(struct in_device *in_dev) call_rcu(&in_dev->rcu_head, in_dev_rcu_put); } +static int __init inet_blackhole_dev_init(void) +{ + int err = 0; + + rtnl_lock(); + if (!inetdev_init(blackhole_netdev)) + err = -ENOMEM; + rtnl_unlock(); + + return err; +} +late_initcall(inet_blackhole_dev_init); + int inet_addr_onlink(struct in_device *in_dev, __be32 a, __be32 b) { const struct in_ifaddr *ifa; @@ -566,10 +581,6 @@ static int inet_set_ifa(struct net_device *dev, struct in_ifaddr *ifa) ASSERT_RTNL(); - if (!in_dev) { - inet_free_ifa(ifa); - return -ENOBUFS; - } ipv4_devconf_setall(in_dev); neigh_parms_data_state_setall(in_dev->arp_parms); if (ifa->ifa_dev != in_dev) { @@ -1149,6 +1160,8 @@ int devinet_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr) if (!ifa) { ret = -ENOBUFS; + if (!in_dev) + break; ifa = inet_alloc_ifa(); if (!ifa) break; diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index ca0cd94eb2..e578d065d9 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -237,8 +237,7 @@ static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb) #else static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb) { - kfree_skb(skb); - + WARN_ON(1); return -EOPNOTSUPP; } #endif diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index c21d57f02c..545dd994f0 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -290,7 +290,7 @@ __be32 fib_compute_spec_dst(struct sk_buff *skb) bool vmark = in_dev && IN_DEV_SRC_VMARK(in_dev); struct flowi4 fl4 = { .flowi4_iif = LOOPBACK_IFINDEX, - .flowi4_oif = l3mdev_master_ifindex_rcu(dev), + .flowi4_l3mdev = l3mdev_master_ifindex_rcu(dev), .daddr = ip_hdr(skb)->saddr, .flowi4_tos = ip_hdr(skb)->tos & IPTOS_RT_MASK, .flowi4_scope = scope, @@ -352,9 +352,8 @@ static int __fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, bool dev_match; fl4.flowi4_oif = 0; - fl4.flowi4_iif = l3mdev_master_ifindex_rcu(dev); - if (!fl4.flowi4_iif) - fl4.flowi4_iif = oif ? : LOOPBACK_IFINDEX; + fl4.flowi4_l3mdev = l3mdev_master_ifindex_rcu(dev); + fl4.flowi4_iif = oif ? : LOOPBACK_IFINDEX; fl4.daddr = src; fl4.saddr = dst; fl4.flowi4_tos = tos; @@ -1332,7 +1331,7 @@ static void nl_fib_lookup(struct net *net, struct fib_result_nl *frn) struct flowi4 fl4 = { .flowi4_mark = frn->fl_mark, .daddr = frn->fl_addr, - .flowi4_tos = frn->fl_tos, + .flowi4_tos = frn->fl_tos & IPTOS_RT_MASK, .flowi4_scope = frn->fl_scope, }; struct fib_table *tb; diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index 735901b8c9..3d00253afb 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -2269,7 +2269,7 @@ void fib_select_multipath(struct fib_result *res, int hash) void fib_select_path(struct net *net, struct fib_result *res, struct flowi4 *fl4, const struct sk_buff *skb) { - if (fl4->flowi4_oif && !(fl4->flowi4_flags & FLOWI_FLAG_SKIP_NH_OIF)) + if (fl4->flowi4_oif) goto check_saddr; #ifdef CONFIG_IP_ROUTE_MULTIPATH diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 0b74debeec..ec0113ecf3 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -1428,11 +1428,8 @@ bool fib_lookup_good_nhc(const struct fib_nh_common *nhc, int fib_flags, !(fib_flags & FIB_LOOKUP_IGNORE_LINKSTATE)) return false; - if (!(flp->flowi4_flags & FLOWI_FLAG_SKIP_NH_OIF)) { - if (flp->flowi4_oif && - flp->flowi4_oif != nhc->nhc_oif) - return false; - } + if (flp->flowi4_oif && flp->flowi4_oif != nhc->nhc_oif) + return false; return true; } diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c index 8fcbc6258e..1d67df4d8e 100644 --- a/net/ipv4/fou.c +++ b/net/ipv4/fou.c @@ -48,7 +48,7 @@ struct fou_net { static inline struct fou *fou_from_sock(struct sock *sk) { - return sk->sk_user_data; + return rcu_dereference_sk_user_data(sk); } static int fou_recv_pull(struct sk_buff *skb, struct fou *fou, size_t len) @@ -231,9 +231,15 @@ static struct sk_buff *fou_gro_receive(struct sock *sk, struct sk_buff *skb) { const struct net_offload __rcu **offloads; - u8 proto = fou_from_sock(sk)->protocol; + struct fou *fou = fou_from_sock(sk); const struct net_offload *ops; struct sk_buff *pp = NULL; + u8 proto; + + if (!fou) + goto out; + + proto = fou->protocol; /* We can clear the encap_mark for FOU as we are essentially doing * one of two possible things. We are either adding an L4 tunnel @@ -246,17 +252,14 @@ static struct sk_buff *fou_gro_receive(struct sock *sk, /* Flag this frame as already having an outer encap header */ NAPI_GRO_CB(skb)->is_fou = 1; - rcu_read_lock(); offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[proto]); if (!ops || !ops->callbacks.gro_receive) - goto out_unlock; + goto out; pp = call_gro_receive(ops->callbacks.gro_receive, head, skb); -out_unlock: - rcu_read_unlock(); - +out: return pp; } @@ -264,23 +267,30 @@ static int fou_gro_complete(struct sock *sk, struct sk_buff *skb, int nhoff) { const struct net_offload __rcu **offloads; - u8 proto = fou_from_sock(sk)->protocol; + struct fou *fou = fou_from_sock(sk); const struct net_offload *ops; - int err = -ENOSYS; + u8 proto; + int err; + + if (!fou) { + err = -ENOENT; + goto out; + } + + proto = fou->protocol; - rcu_read_lock(); offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[proto]); - if (WARN_ON(!ops || !ops->callbacks.gro_complete)) - goto out_unlock; + if (WARN_ON(!ops || !ops->callbacks.gro_complete)) { + err = -ENOSYS; + goto out; + } err = ops->callbacks.gro_complete(skb, nhoff); skb_set_inner_mac_header(skb, nhoff); -out_unlock: - rcu_read_unlock(); - +out: return err; } @@ -326,6 +336,9 @@ static struct sk_buff *gue_gro_receive(struct sock *sk, skb_gro_remcsum_init(&grc); + if (!fou) + goto out; + off = skb_gro_offset(skb); len = off + sizeof(*guehdr); @@ -438,17 +451,14 @@ static struct sk_buff *gue_gro_receive(struct sock *sk, /* Flag this frame as already having an outer encap header */ NAPI_GRO_CB(skb)->is_fou = 1; - rcu_read_lock(); offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[proto]); if (WARN_ON_ONCE(!ops || !ops->callbacks.gro_receive)) - goto out_unlock; + goto out; pp = call_gro_receive(ops->callbacks.gro_receive, head, skb); flush = 0; -out_unlock: - rcu_read_unlock(); out: skb_gro_flush_final_remcsum(skb, pp, flush, &grc); @@ -485,18 +495,16 @@ static int gue_gro_complete(struct sock *sk, struct sk_buff *skb, int nhoff) return err; } - rcu_read_lock(); offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[proto]); if (WARN_ON(!ops || !ops->callbacks.gro_complete)) - goto out_unlock; + goto out; err = ops->callbacks.gro_complete(skb, nhoff + guehlen); skb_set_inner_mac_header(skb, nhoff + guehlen); -out_unlock: - rcu_read_unlock(); +out: return err; } diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c index 1121a9d5fe..9a18fd1d56 100644 --- a/net/ipv4/gre_offload.c +++ b/net/ipv4/gre_offload.c @@ -162,10 +162,9 @@ static struct sk_buff *gre_gro_receive(struct list_head *head, type = greh->protocol; - rcu_read_lock(); ptype = gro_find_receive_by_type(type); if (!ptype) - goto out_unlock; + goto out; grehlen = GRE_HEADER_SECTION; @@ -179,13 +178,13 @@ static struct sk_buff *gre_gro_receive(struct list_head *head, if (skb_gro_header_hard(skb, hlen)) { greh = skb_gro_header_slow(skb, hlen, off); if (unlikely(!greh)) - goto out_unlock; + goto out; } /* Don't bother verifying checksum if we're going to flush anyway. */ if ((greh->flags & GRE_CSUM) && !NAPI_GRO_CB(skb)->flush) { if (skb_gro_checksum_simple_validate(skb)) - goto out_unlock; + goto out; skb_gro_checksum_try_convert(skb, IPPROTO_GRE, null_compute_pseudo); @@ -229,8 +228,6 @@ static struct sk_buff *gre_gro_receive(struct list_head *head, pp = call_gro_receive(ptype->callbacks.gro_receive, head, skb); flush = 0; -out_unlock: - rcu_read_unlock(); out: skb_gro_flush_final(skb, pp, flush); @@ -255,13 +252,10 @@ static int gre_gro_complete(struct sk_buff *skb, int nhoff) if (greh->flags & GRE_CSUM) grehlen += GRE_HEADER_SECTION; - rcu_read_lock(); ptype = gro_find_complete_by_type(type); if (ptype) err = ptype->callbacks.gro_complete(skb, nhoff + grehlen); - rcu_read_unlock(); - skb_set_inner_mac_header(skb, nhoff + grehlen); return err; diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 27975a44d1..63e5aa6d4b 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -791,21 +791,31 @@ static bool reqsk_queue_unlink(struct request_sock *req) found = __sk_nulls_del_node_init_rcu(req_to_sk(req)); spin_unlock(lock); } - if (timer_pending(&req->rsk_timer) && del_timer_sync(&req->rsk_timer)) - reqsk_put(req); + return found; } -bool inet_csk_reqsk_queue_drop(struct sock *sk, struct request_sock *req) +static bool __inet_csk_reqsk_queue_drop(struct sock *sk, + struct request_sock *req, + bool from_timer) { bool unlinked = reqsk_queue_unlink(req); + if (!from_timer && timer_delete_sync(&req->rsk_timer)) + reqsk_put(req); + if (unlinked) { reqsk_queue_removed(&inet_csk(sk)->icsk_accept_queue, req); reqsk_put(req); } + return unlinked; } + +bool inet_csk_reqsk_queue_drop(struct sock *sk, struct request_sock *req) +{ + return __inet_csk_reqsk_queue_drop(sk, req, false); +} EXPORT_SYMBOL(inet_csk_reqsk_queue_drop); void inet_csk_reqsk_queue_drop_and_put(struct sock *sk, struct request_sock *req) @@ -889,19 +899,16 @@ static void reqsk_timer_handler(struct timer_list *t) (!resend || !inet_rtx_syn_ack(sk_listener, req) || inet_rsk(req)->acked)) { - unsigned long timeo; - if (req->num_timeout++ == 0) atomic_dec(&queue->young); - timeo = min(TCP_TIMEOUT_INIT << req->num_timeout, TCP_RTO_MAX); - mod_timer(&req->rsk_timer, jiffies + timeo); + mod_timer(&req->rsk_timer, jiffies + reqsk_timeout(req, TCP_RTO_MAX)); if (!nreq) return; if (!inet_ehash_insert(req_to_sk(nreq), req_to_sk(oreq), NULL)) { /* delete timer */ - inet_csk_reqsk_queue_drop(sk_listener, nreq); + __inet_csk_reqsk_queue_drop(sk_listener, nreq, true); goto no_ownership; } @@ -927,28 +934,38 @@ static void reqsk_timer_handler(struct timer_list *t) } drop: - inet_csk_reqsk_queue_drop_and_put(oreq->rsk_listener, oreq); + __inet_csk_reqsk_queue_drop(sk_listener, oreq, true); + reqsk_put(req); } -static void reqsk_queue_hash_req(struct request_sock *req, +static bool reqsk_queue_hash_req(struct request_sock *req, unsigned long timeout) { + bool found_dup_sk = false; + + if (!inet_ehash_insert(req_to_sk(req), NULL, &found_dup_sk)) + return false; + + /* The timer needs to be setup after a successful insertion. */ timer_setup(&req->rsk_timer, reqsk_timer_handler, TIMER_PINNED); mod_timer(&req->rsk_timer, jiffies + timeout); - inet_ehash_insert(req_to_sk(req), NULL, NULL); /* before letting lookups find us, make sure all req fields * are committed to memory and refcnt initialized. */ smp_wmb(); refcount_set(&req->rsk_refcnt, 2 + 1); + return true; } -void inet_csk_reqsk_queue_hash_add(struct sock *sk, struct request_sock *req, +bool inet_csk_reqsk_queue_hash_add(struct sock *sk, struct request_sock *req, unsigned long timeout) { - reqsk_queue_hash_req(req, timeout); + if (!reqsk_queue_hash_req(req, timeout)) + return false; + inet_csk_reqsk_queue_added(sk); + return true; } EXPORT_SYMBOL_GPL(inet_csk_reqsk_queue_hash_add); diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 3aeba9e2b2..bdef05b195 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -1281,6 +1281,7 @@ static int inet_diag_dump_compat(struct sk_buff *skb, req.sdiag_family = AF_UNSPEC; /* compatibility */ req.sdiag_protocol = inet_diag_type2proto(cb->nlh->nlmsg_type); req.idiag_ext = rc->idiag_ext; + req.pad = 0; req.idiag_states = rc->idiag_states; req.id = rc->id; @@ -1296,6 +1297,7 @@ static int inet_diag_get_exact_compat(struct sk_buff *in_skb, req.sdiag_family = rc->idiag_family; req.sdiag_protocol = inet_diag_type2proto(nlh->nlmsg_type); req.idiag_ext = rc->idiag_ext; + req.pad = 0; req.idiag_states = rc->idiag_states; req.id = rc->id; diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c index 3410968071..7e38170111 100644 --- a/net/ipv4/inet_fragment.c +++ b/net/ipv4/inet_fragment.c @@ -24,6 +24,8 @@ #include #include +#include "../core/sock_destructor.h" + /* Use skb->cb to track consecutive/adjacent fragments coming at * the end of the queue. Nodes in the rb-tree queue will * contain "runs" of one or more adjacent fragments. @@ -39,6 +41,7 @@ struct ipfrag_skb_cb { }; struct sk_buff *next_frag; int frag_run_len; + int ip_defrag_offset; }; #define FRAG_CB(skb) ((struct ipfrag_skb_cb *)((skb)->cb)) @@ -390,12 +393,12 @@ int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb, */ if (!last) fragrun_create(q, skb); /* First fragment. */ - else if (last->ip_defrag_offset + last->len < end) { + else if (FRAG_CB(last)->ip_defrag_offset + last->len < end) { /* This is the common case: skb goes to the end. */ /* Detect and discard overlaps. */ - if (offset < last->ip_defrag_offset + last->len) + if (offset < FRAG_CB(last)->ip_defrag_offset + last->len) return IPFRAG_OVERLAP; - if (offset == last->ip_defrag_offset + last->len) + if (offset == FRAG_CB(last)->ip_defrag_offset + last->len) fragrun_append_to_last(q, skb); else fragrun_create(q, skb); @@ -412,13 +415,13 @@ int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb, parent = *rbn; curr = rb_to_skb(parent); - curr_run_end = curr->ip_defrag_offset + + curr_run_end = FRAG_CB(curr)->ip_defrag_offset + FRAG_CB(curr)->frag_run_len; - if (end <= curr->ip_defrag_offset) + if (end <= FRAG_CB(curr)->ip_defrag_offset) rbn = &parent->rb_left; else if (offset >= curr_run_end) rbn = &parent->rb_right; - else if (offset >= curr->ip_defrag_offset && + else if (offset >= FRAG_CB(curr)->ip_defrag_offset && end <= curr_run_end) return IPFRAG_DUP; else @@ -432,7 +435,7 @@ int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb, rb_insert_color(&skb->rbnode, &q->rb_fragments); } - skb->ip_defrag_offset = offset; + FRAG_CB(skb)->ip_defrag_offset = offset; return IPFRAG_OK; } @@ -442,13 +445,28 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, struct sk_buff *parent) { struct sk_buff *fp, *head = skb_rb_first(&q->rb_fragments); - struct sk_buff **nextp; + void (*destructor)(struct sk_buff *); + unsigned int orig_truesize = 0; + struct sk_buff **nextp = NULL; + struct sock *sk = skb->sk; int delta; + if (sk && is_skb_wmem(skb)) { + /* TX: skb->sk might have been passed as argument to + * dst->output and must remain valid until tx completes. + * + * Move sk to reassembled skb and fix up wmem accounting. + */ + orig_truesize = skb->truesize; + destructor = skb->destructor; + } + if (head != skb) { fp = skb_clone(skb, GFP_ATOMIC); - if (!fp) - return NULL; + if (!fp) { + head = skb; + goto out_restore_sk; + } FRAG_CB(fp)->next_frag = FRAG_CB(skb)->next_frag; if (RB_EMPTY_NODE(&skb->rbnode)) FRAG_CB(parent)->next_frag = fp; @@ -457,6 +475,12 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, &q->rb_fragments); if (q->fragments_tail == skb) q->fragments_tail = fp; + + if (orig_truesize) { + /* prevent skb_morph from releasing sk */ + skb->sk = NULL; + skb->destructor = NULL; + } skb_morph(skb, head); FRAG_CB(skb)->next_frag = FRAG_CB(head)->next_frag; rb_replace_node(&head->rbnode, &skb->rbnode, @@ -464,13 +488,13 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, consume_skb(head); head = skb; } - WARN_ON(head->ip_defrag_offset != 0); + WARN_ON(FRAG_CB(head)->ip_defrag_offset != 0); delta = -head->truesize; /* Head of list must not be cloned. */ if (skb_unclone(head, GFP_ATOMIC)) - return NULL; + goto out_restore_sk; delta += head->truesize; if (delta) @@ -486,7 +510,7 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, clone = alloc_skb(0, GFP_ATOMIC); if (!clone) - return NULL; + goto out_restore_sk; skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list; skb_frag_list_init(head); for (i = 0; i < skb_shinfo(head)->nr_frags; i++) @@ -503,6 +527,21 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, nextp = &skb_shinfo(head)->frag_list; } +out_restore_sk: + if (orig_truesize) { + int ts_delta = head->truesize - orig_truesize; + + /* if this reassembled skb is fragmented later, + * fraglist skbs will get skb->sk assigned from head->sk, + * and each frag skb will be released via sock_wfree. + * + * Update sk_wmem_alloc. + */ + head->sk = sk; + head->destructor = destructor; + refcount_add(ts_delta, &sk->sk_wmem_alloc); + } + return nextp; } EXPORT_SYMBOL(inet_frag_reasm_prepare); @@ -510,6 +549,8 @@ EXPORT_SYMBOL(inet_frag_reasm_prepare); void inet_frag_reasm_finish(struct inet_frag_queue *q, struct sk_buff *head, void *reasm_data, bool try_coalesce) { + struct sock *sk = is_skb_wmem(head) ? head->sk : NULL; + const unsigned int head_truesize = head->truesize; struct sk_buff **nextp = (struct sk_buff **)reasm_data; struct rb_node *rbn; struct sk_buff *fp; @@ -572,6 +613,9 @@ void inet_frag_reasm_finish(struct inet_frag_queue *q, struct sk_buff *head, skb_mark_not_on_list(head); head->prev = NULL; head->tstamp = q->stamp; + + if (sk) + refcount_add(sum_truesize - head_truesize, &sk->sk_wmem_alloc); } EXPORT_SYMBOL(inet_frag_reasm_finish); diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index fad803d2d7..ec2264adf2 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -377,6 +377,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb) } skb_dst_drop(skb); + skb_orphan(skb); return -EINPROGRESS; insert_error: @@ -479,7 +480,6 @@ int ip_defrag(struct net *net, struct sk_buff *skb, u32 user) struct ipq *qp; __IP_INC_STATS(net, IPSTATS_MIB_REASMREQDS); - skb_orphan(skb); /* Lookup (or create) queue header */ qp = ip_find(net, ip_hdr(skb), user, vif); diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index cd967493bf..eeb48b0bb9 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -613,8 +613,8 @@ static int gre_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) key = &info->key; ip_tunnel_init_flow(&fl4, IPPROTO_GRE, key->u.ipv4.dst, key->u.ipv4.src, tunnel_id_to_key32(key->tun_id), - key->tos & ~INET_ECN_MASK, 0, skb->mark, - skb_get_hash(skb)); + key->tos & ~INET_ECN_MASK, dev_net(dev), 0, + skb->mark, skb_get_hash(skb)); rt = ip_route_output_key(dev_net(dev), &fl4); if (IS_ERR(rt)) return PTR_ERR(rt); @@ -644,11 +644,11 @@ static netdev_tx_t ipgre_xmit(struct sk_buff *skb, if (skb_cow_head(skb, 0)) goto free_skb; - tnl_params = (const struct iphdr *)skb->data; - - if (!pskb_network_may_pull(skb, pull_len)) + if (!pskb_may_pull(skb, pull_len)) goto free_skb; + tnl_params = (const struct iphdr *)skb->data; + /* ip_tunnel_xmit() needs skb->data pointing to gre header. */ skb_pull(skb, pull_len); skb_reset_mac_header(skb); diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index db6d3d5c47..2906b4329c 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -294,8 +294,8 @@ static int ip_tunnel_bind_dev(struct net_device *dev) ip_tunnel_init_flow(&fl4, iph->protocol, iph->daddr, iph->saddr, tunnel->parms.o_key, - RT_TOS(iph->tos), tunnel->parms.link, - tunnel->fwmark, 0); + RT_TOS(iph->tos), dev_net(dev), + tunnel->parms.link, tunnel->fwmark, 0); rt = ip_route_output_key(tunnel->net, &fl4); if (!IS_ERR(rt)) { @@ -597,7 +597,7 @@ void ip_md_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, } ip_tunnel_init_flow(&fl4, proto, key->u.ipv4.dst, key->u.ipv4.src, tunnel_id_to_key32(key->tun_id), RT_TOS(tos), - 0, skb->mark, skb_get_hash(skb)); + dev_net(dev), 0, skb->mark, skb_get_hash(skb)); if (tunnel->encap.type != TUNNEL_ENCAP_NONE) goto tx_error; @@ -753,7 +753,8 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, } ip_tunnel_init_flow(&fl4, protocol, dst, tnl_params->saddr, - tunnel->parms.o_key, RT_TOS(tos), tunnel->parms.link, + tunnel->parms.o_key, RT_TOS(tos), + dev_net(dev), tunnel->parms.link, tunnel->fwmark, skb_get_hash(skb)); if (ip_tunnel_encap(skb, tunnel, &protocol, &fl4) < 0) diff --git a/net/ipv4/netfilter/ipt_rpfilter.c b/net/ipv4/netfilter/ipt_rpfilter.c index 8cd3224d91..26b3b0e2ad 100644 --- a/net/ipv4/netfilter/ipt_rpfilter.c +++ b/net/ipv4/netfilter/ipt_rpfilter.c @@ -78,7 +78,8 @@ static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par) flow.flowi4_mark = info->flags & XT_RPFILTER_VALID_MARK ? skb->mark : 0; flow.flowi4_tos = iph->tos & IPTOS_RT_MASK; flow.flowi4_scope = RT_SCOPE_UNIVERSE; - flow.flowi4_oif = l3mdev_master_ifindex_rcu(xt_in(par)); + flow.flowi4_l3mdev = l3mdev_master_ifindex_rcu(xt_in(par)); + flow.flowi4_uid = sock_net_uid(xt_net(par), NULL); return rpfilter_lookup_reverse(xt_net(par), &flow, xt_in(par), info->flags) ^ invert; } diff --git a/net/ipv4/netfilter/iptable_nat.c b/net/ipv4/netfilter/iptable_nat.c index 45d7e072e6..226000a740 100644 --- a/net/ipv4/netfilter/iptable_nat.c +++ b/net/ipv4/netfilter/iptable_nat.c @@ -152,25 +152,27 @@ static struct pernet_operations iptable_nat_net_ops = { static int __init iptable_nat_init(void) { - int ret = xt_register_template(&nf_nat_ipv4_table, - iptable_nat_table_init); + int ret; + /* net->gen->ptr[iptable_nat_net_id] must be allocated + * before calling iptable_nat_table_init(). + */ + ret = register_pernet_subsys(&iptable_nat_net_ops); if (ret < 0) return ret; - ret = register_pernet_subsys(&iptable_nat_net_ops); - if (ret < 0) { - xt_unregister_template(&nf_nat_ipv4_table); - return ret; - } + ret = xt_register_template(&nf_nat_ipv4_table, + iptable_nat_table_init); + if (ret < 0) + unregister_pernet_subsys(&iptable_nat_net_ops); return ret; } static void __exit iptable_nat_exit(void) { - unregister_pernet_subsys(&iptable_nat_net_ops); xt_unregister_template(&nf_nat_ipv4_table); + unregister_pernet_subsys(&iptable_nat_net_ops); } module_init(iptable_nat_init); diff --git a/net/ipv4/netfilter/nf_dup_ipv4.c b/net/ipv4/netfilter/nf_dup_ipv4.c index 6cc5743c55..9a21175693 100644 --- a/net/ipv4/netfilter/nf_dup_ipv4.c +++ b/net/ipv4/netfilter/nf_dup_ipv4.c @@ -52,8 +52,9 @@ void nf_dup_ipv4(struct net *net, struct sk_buff *skb, unsigned int hooknum, { struct iphdr *iph; + local_bh_disable(); if (this_cpu_read(nf_skb_duplicated)) - return; + goto out; /* * Copy the skb, and route the copy. Will later return %XT_CONTINUE for * the original skb, which should continue on its way as if nothing has @@ -61,7 +62,7 @@ void nf_dup_ipv4(struct net *net, struct sk_buff *skb, unsigned int hooknum, */ skb = pskb_copy(skb, GFP_ATOMIC); if (skb == NULL) - return; + goto out; #if IS_ENABLED(CONFIG_NF_CONNTRACK) /* Avoid counting cloned packets towards the original connection. */ @@ -90,6 +91,8 @@ void nf_dup_ipv4(struct net *net, struct sk_buff *skb, unsigned int hooknum, } else { kfree_skb(skb); } +out: + local_bh_enable(); } EXPORT_SYMBOL_GPL(nf_dup_ipv4); diff --git a/net/ipv4/netfilter/nft_fib_ipv4.c b/net/ipv4/netfilter/nft_fib_ipv4.c index 9e6f0f1275..273b64e3f2 100644 --- a/net/ipv4/netfilter/nft_fib_ipv4.c +++ b/net/ipv4/netfilter/nft_fib_ipv4.c @@ -65,6 +65,8 @@ void nft_fib4_eval(const struct nft_expr *expr, struct nft_regs *regs, struct flowi4 fl4 = { .flowi4_scope = RT_SCOPE_UNIVERSE, .flowi4_iif = LOOPBACK_IFINDEX, + .flowi4_uid = sock_net_uid(nft_net(pkt), NULL), + .flowi4_l3mdev = l3mdev_master_ifindex_rcu(nft_in(pkt)), }; const struct net_device *oif; const struct net_device *found; @@ -83,9 +85,6 @@ void nft_fib4_eval(const struct nft_expr *expr, struct nft_regs *regs, else oif = NULL; - if (priv->flags & NFTA_FIB_F_IIF) - fl4.flowi4_oif = l3mdev_master_ifindex_rcu(oif); - if (nft_hook(pkt) == NF_INET_PRE_ROUTING && nft_fib_is_loopback(pkt->skb, nft_in(pkt))) { nft_fib_store_result(dest, priv, nft_in(pkt)); diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c index c140a36bd1..633eab6ff5 100644 --- a/net/ipv4/nexthop.c +++ b/net/ipv4/nexthop.c @@ -675,9 +675,10 @@ static int nla_put_nh_group(struct sk_buff *skb, struct nh_group *nhg) p = nla_data(nla); for (i = 0; i < nhg->num_nh; ++i) { - p->id = nhg->nh_entries[i].nh->id; - p->weight = nhg->nh_entries[i].weight - 1; - p += 1; + *p++ = (struct nexthop_grp) { + .id = nhg->nh_entries[i].nh->id, + .weight = nhg->nh_entries[i].weight - 1, + }; } if (nhg->resilient && nla_put_nh_group_res(skb, nhg)) diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index f532589d26..cc8e946768 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -99,8 +99,8 @@ int raw_hash_sk(struct sock *sk) write_lock_bh(&h->lock); sk_add_node(sk, head); - sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); write_unlock_bh(&h->lock); + sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); return 0; } diff --git a/net/ipv4/route.c b/net/ipv4/route.c index e7130a9f0e..3522801885 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1282,7 +1282,7 @@ void ip_rt_get_source(u8 *addr, struct sk_buff *skb, struct rtable *rt) struct flowi4 fl4 = { .daddr = iph->daddr, .saddr = iph->saddr, - .flowi4_tos = RT_TOS(iph->tos), + .flowi4_tos = iph->tos & IPTOS_RT_MASK, .flowi4_oif = rt->dst.dev->ifindex, .flowi4_iif = skb->dev->ifindex, .flowi4_mark = skb->mark, @@ -2285,6 +2285,7 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, /* * Now we are ready to route packet. */ + fl4.flowi4_l3mdev = 0; fl4.flowi4_oif = 0; fl4.flowi4_iif = dev->ifindex; fl4.flowi4_mark = skb->mark; @@ -2761,8 +2762,7 @@ struct rtable *ip_route_output_key_hash_rcu(struct net *net, struct flowi4 *fl4, res->fi = NULL; res->table = NULL; if (fl4->flowi4_oif && - (ipv4_is_multicast(fl4->daddr) || - !netif_index_is_l3_master(net, fl4->flowi4_oif))) { + (ipv4_is_multicast(fl4->daddr) || !fl4->flowi4_l3mdev)) { /* Apparently, routing tables are wrong. Assume, * that the destination is on link. * diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 9c7998377d..3c85ecab14 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -592,9 +592,10 @@ __poll_t tcp_poll(struct file *file, struct socket *sock, poll_table *wait) */ mask |= EPOLLOUT | EPOLLWRNORM; } - /* This barrier is coupled with smp_wmb() in tcp_reset() */ + /* This barrier is coupled with smp_wmb() in tcp_done_with_error() */ smp_rmb(); - if (sk->sk_err || !skb_queue_empty_lockless(&sk->sk_error_queue)) + if (READ_ONCE(sk->sk_err) || + !skb_queue_empty_lockless(&sk->sk_error_queue)) mask |= EPOLLERR; return mask; @@ -2619,6 +2620,10 @@ void tcp_set_state(struct sock *sk, int state) if (oldstate != TCP_ESTABLISHED) TCP_INC_STATS(sock_net(sk), TCP_MIB_CURRESTAB); break; + case TCP_CLOSE_WAIT: + if (oldstate == TCP_SYN_RECV) + TCP_INC_STATS(sock_net(sk), TCP_MIB_CURRESTAB); + break; case TCP_CLOSE: if (oldstate == TCP_CLOSE_WAIT || oldstate == TCP_ESTABLISHED) @@ -2630,7 +2635,7 @@ void tcp_set_state(struct sock *sk, int state) inet_put_port(sk); fallthrough; default: - if (oldstate == TCP_ESTABLISHED) + if (oldstate == TCP_ESTABLISHED || oldstate == TCP_CLOSE_WAIT) TCP_DEC_STATS(sock_net(sk), TCP_MIB_CURRESTAB); } @@ -2991,7 +2996,7 @@ int tcp_disconnect(struct sock *sk, int flags) if (old_state == TCP_LISTEN) { inet_csk_listen_stop(sk); } else if (unlikely(tp->repair)) { - sk->sk_err = ECONNABORTED; + WRITE_ONCE(sk->sk_err, ECONNABORTED); } else if (tcp_need_reset(old_state) || (tp->snd_nxt != tp->write_seq && (1 << old_state) & (TCPF_CLOSING | TCPF_LAST_ACK))) { @@ -2999,9 +3004,9 @@ int tcp_disconnect(struct sock *sk, int flags) * states */ tcp_send_active_reset(sk, gfp_any()); - sk->sk_err = ECONNRESET; + WRITE_ONCE(sk->sk_err, ECONNRESET); } else if (old_state == TCP_SYN_SENT) - sk->sk_err = ECONNRESET; + WRITE_ONCE(sk->sk_err, ECONNRESET); tcp_clear_xmit_timers(sk); __skb_queue_purge(&sk->sk_receive_queue); @@ -3704,8 +3709,9 @@ int tcp_setsockopt(struct sock *sk, int level, int optname, sockptr_t optval, const struct inet_connection_sock *icsk = inet_csk(sk); if (level != SOL_TCP) - return icsk->icsk_af_ops->setsockopt(sk, level, optname, - optval, optlen); + /* Paired with WRITE_ONCE() in do_ipv6_setsockopt() and tcp_v6_connect() */ + return READ_ONCE(icsk->icsk_af_ops)->setsockopt(sk, level, optname, + optval, optlen); return do_tcp_setsockopt(sk, level, optname, optval, optlen); } EXPORT_SYMBOL(tcp_setsockopt); @@ -4303,8 +4309,9 @@ int tcp_getsockopt(struct sock *sk, int level, int optname, char __user *optval, struct inet_connection_sock *icsk = inet_csk(sk); if (level != SOL_TCP) - return icsk->icsk_af_ops->getsockopt(sk, level, optname, - optval, optlen); + /* Paired with WRITE_ONCE() in do_ipv6_setsockopt() and tcp_v6_connect() */ + return READ_ONCE(icsk->icsk_af_ops)->getsockopt(sk, level, optname, + optval, optlen); return do_tcp_getsockopt(sk, level, optname, optval, optlen); } EXPORT_SYMBOL(tcp_getsockopt); @@ -4507,7 +4514,7 @@ int tcp_abort(struct sock *sk, int err) bh_lock_sock(sk); if (!sock_flag(sk, SOCK_DEAD)) { - sk->sk_err = err; + WRITE_ONCE(sk->sk_err, err); /* This barrier is coupled with smp_rmb() in tcp_poll() */ smp_wmb(); sk_error_report(sk); diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c index 5fdef5ddfb..93f6a20f51 100644 --- a/net/ipv4/tcp_bpf.c +++ b/net/ipv4/tcp_bpf.c @@ -533,7 +533,7 @@ static int tcp_bpf_sendmsg(struct sock *sk, struct msghdr *msg, size_t size) err = sk_stream_error(sk, msg->msg_flags, err); release_sock(sk); sk_psock_put(sk, psock); - return copied ? copied : err; + return copied > 0 ? copied : err; } static int tcp_bpf_sendpage(struct sock *sk, struct page *page, int offset, diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 52a9d7f96d..3e7533f645 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2094,8 +2094,16 @@ void tcp_clear_retrans(struct tcp_sock *tp) static inline void tcp_init_undo(struct tcp_sock *tp) { tp->undo_marker = tp->snd_una; + /* Retransmission still in flight may cause DSACKs later. */ - tp->undo_retrans = tp->retrans_out ? : -1; + /* First, account for regular retransmits in flight: */ + tp->undo_retrans = tp->retrans_out; + /* Next, account for TLP retransmits in flight: */ + if (tp->tlp_high_seq && tp->tlp_retrans) + tp->undo_retrans++; + /* Finally, avoid 0, because undo_retrans==0 means "can undo now": */ + if (!tp->undo_retrans) + tp->undo_retrans = -1; } static bool tcp_is_rack(const struct sock *sk) @@ -2174,6 +2182,7 @@ void tcp_enter_loss(struct sock *sk) tcp_set_ca_state(sk, TCP_CA_Loss); tp->high_seq = tp->snd_nxt; + tp->tlp_high_seq = 0; tcp_ecn_queue_cwr(tp); /* F-RTO RFC5682 sec 3.1 step 1: retransmit SND.UNA if no previous @@ -2424,8 +2433,22 @@ static bool tcp_skb_spurious_retrans(const struct tcp_sock *tp, */ static inline bool tcp_packet_delayed(const struct tcp_sock *tp) { - return tp->retrans_stamp && - tcp_tsopt_ecr_before(tp, tp->retrans_stamp); + const struct sock *sk = (const struct sock *)tp; + + if (tp->retrans_stamp && + tcp_tsopt_ecr_before(tp, tp->retrans_stamp)) + return true; /* got echoed TS before first retransmission */ + + /* Check if nothing was retransmitted (retrans_stamp==0), which may + * happen in fast recovery due to TSQ. But we ignore zero retrans_stamp + * in TCP_SYN_SENT, since when we set FLAG_SYN_ACKED we also clear + * retrans_stamp even if we had retransmitted the SYN. + */ + if (!tp->retrans_stamp && /* no record of a retransmit/SYN? */ + sk->sk_state != TCP_SYN_SENT) /* not the FLAG_SYN_ACKED case? */ + return true; /* nothing was retransmitted */ + + return false; } /* Undo procedures. */ @@ -2459,6 +2482,16 @@ static bool tcp_any_retrans_done(const struct sock *sk) return false; } +/* If loss recovery is finished and there are no retransmits out in the + * network, then we clear retrans_stamp so that upon the next loss recovery + * retransmits_timed_out() and timestamp-undo are using the correct value. + */ +static void tcp_retrans_stamp_cleanup(struct sock *sk) +{ + if (!tcp_any_retrans_done(sk)) + tcp_sk(sk)->retrans_stamp = 0; +} + static void DBGUNDO(struct sock *sk, const char *msg) { #if FASTRETRANS_DEBUG > 1 @@ -2747,13 +2780,37 @@ static void tcp_mtup_probe_success(struct sock *sk) NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPMTUPSUCCESS); } +/* Sometimes we deduce that packets have been dropped due to reasons other than + * congestion, like path MTU reductions or failed client TFO attempts. In these + * cases we call this function to retransmit as many packets as cwnd allows, + * without reducing cwnd. Given that retransmits will set retrans_stamp to a + * non-zero value (and may do so in a later calling context due to TSQ), we + * also enter CA_Loss so that we track when all retransmitted packets are ACKed + * and clear retrans_stamp when that happens (to ensure later recurring RTOs + * are using the correct retrans_stamp and don't declare ETIMEDOUT + * prematurely). + */ +static void tcp_non_congestion_loss_retransmit(struct sock *sk) +{ + const struct inet_connection_sock *icsk = inet_csk(sk); + struct tcp_sock *tp = tcp_sk(sk); + + if (icsk->icsk_ca_state != TCP_CA_Loss) { + tp->high_seq = tp->snd_nxt; + tp->snd_ssthresh = tcp_current_ssthresh(sk); + tp->prior_ssthresh = 0; + tp->undo_marker = 0; + tcp_set_ca_state(sk, TCP_CA_Loss); + } + tcp_xmit_retransmit_queue(sk); +} + /* Do a simple retransmit without using the backoff mechanisms in * tcp_timer. This is used for path mtu discovery. * The socket is already locked here. */ void tcp_simple_retransmit(struct sock *sk) { - const struct inet_connection_sock *icsk = inet_csk(sk); struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; int mss; @@ -2793,14 +2850,7 @@ void tcp_simple_retransmit(struct sock *sk) * in network, but units changed and effective * cwnd/ssthresh really reduced now. */ - if (icsk->icsk_ca_state != TCP_CA_Loss) { - tp->high_seq = tp->snd_nxt; - tp->snd_ssthresh = tcp_current_ssthresh(sk); - tp->prior_ssthresh = 0; - tp->undo_marker = 0; - tcp_set_ca_state(sk, TCP_CA_Loss); - } - tcp_xmit_retransmit_queue(sk); + tcp_non_congestion_loss_retransmit(sk); } EXPORT_SYMBOL(tcp_simple_retransmit); @@ -2809,6 +2859,9 @@ void tcp_enter_recovery(struct sock *sk, bool ece_ack) struct tcp_sock *tp = tcp_sk(sk); int mib_idx; + /* Start the clock with our fast retransmit, for undo and ETIMEDOUT. */ + tcp_retrans_stamp_cleanup(sk); + if (tcp_is_reno(tp)) mib_idx = LINUX_MIB_TCPRENORECOVERY; else @@ -3017,7 +3070,7 @@ static void tcp_fastretrans_alert(struct sock *sk, const u32 prior_snd_una, return; if (tcp_try_undo_dsack(sk)) - tcp_try_keep_open(sk); + tcp_try_to_open(sk, flag); tcp_identify_packet_loss(sk, ack_flag); if (icsk->icsk_ca_state != TCP_CA_Recovery) { @@ -3889,7 +3942,7 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag) /* We passed data and got it acked, remove any soft error * log. Something worked... */ - sk->sk_err_soft = 0; + WRITE_ONCE(sk->sk_err_soft, 0); icsk->icsk_probes_out = 0; tp->rcv_tstamp = tcp_jiffies32; if (!prior_packets) @@ -4322,9 +4375,26 @@ static inline bool tcp_sequence(const struct tcp_sock *tp, u32 seq, u32 end_seq) !after(seq, tp->rcv_nxt + tcp_receive_window(tp)); } + +void tcp_done_with_error(struct sock *sk, int err) +{ + /* This barrier is coupled with smp_rmb() in tcp_poll() */ + WRITE_ONCE(sk->sk_err, err); + smp_wmb(); + + tcp_write_queue_purge(sk); + tcp_done(sk); + + if (!sock_flag(sk, SOCK_DEAD)) + sk_error_report(sk); +} +EXPORT_SYMBOL(tcp_done_with_error); + /* When we get a reset we do this. */ void tcp_reset(struct sock *sk, struct sk_buff *skb) { + int err; + trace_tcp_receive_reset(sk); /* mptcp can't tell us to ignore reset pkts, @@ -4336,24 +4406,17 @@ void tcp_reset(struct sock *sk, struct sk_buff *skb) /* We want the right error as BSD sees it (and indeed as we do). */ switch (sk->sk_state) { case TCP_SYN_SENT: - sk->sk_err = ECONNREFUSED; + err = ECONNREFUSED; break; case TCP_CLOSE_WAIT: - sk->sk_err = EPIPE; + err = EPIPE; break; case TCP_CLOSE: return; default: - sk->sk_err = ECONNRESET; + err = ECONNRESET; } - /* This barrier is coupled with smp_rmb() in tcp_poll() */ - smp_wmb(); - - tcp_write_queue_purge(sk); - tcp_done(sk); - - if (!sock_flag(sk, SOCK_DEAD)) - sk_error_report(sk); + tcp_done_with_error(sk, err); } /* @@ -6103,7 +6166,7 @@ static bool tcp_rcv_fastopen_synack(struct sock *sk, struct sk_buff *synack, tp->fastopen_client_fail = TFO_DATA_NOT_ACKED; skb_rbtree_walk_from(data) tcp_mark_skb_lost(sk, data); - tcp_xmit_retransmit_queue(sk); + tcp_non_congestion_loss_retransmit(sk); NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPFASTOPENACTIVEFAIL); return true; @@ -6768,6 +6831,7 @@ struct request_sock *inet_reqsk_alloc(const struct request_sock_ops *ops, ireq->ireq_state = TCP_NEW_SYN_RECV; write_pnet(&ireq->ireq_net, sock_net(sk_listener)); ireq->ireq_family = sk_listener->sk_family; + req->timeout = TCP_TIMEOUT_INIT; } return req; @@ -6990,9 +7054,15 @@ int tcp_conn_request(struct request_sock_ops *rsk_ops, sock_put(fastopen_sk); } else { tcp_rsk(req)->tfo_listener = false; - if (!want_cookie) - inet_csk_reqsk_queue_hash_add(sk, req, - tcp_timeout_init((struct sock *)req)); + if (!want_cookie) { + req->timeout = tcp_timeout_init((struct sock *)req); + if (unlikely(!inet_csk_reqsk_queue_hash_add(sk, req, + req->timeout))) { + reqsk_free(req); + return 0; + } + + } af_ops->send_synack(sk, dst, &fl, req, &foc, !want_cookie ? TCP_SYNACK_NORMAL : TCP_SYNACK_COOKIE, diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index e9b1dcf2d4..43415de60d 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -113,6 +113,9 @@ int tcp_twsk_unique(struct sock *sk, struct sock *sktw, void *twp) const struct tcp_timewait_sock *tcptw = tcp_twsk(sktw); struct tcp_sock *tp = tcp_sk(sk); + if (tw->tw_substate == TCP_FIN_WAIT2) + reuse = 0; + if (reuse == 2) { /* Still does not detect *everything* that goes through * lo, since we require a loopback src or dst address @@ -361,7 +364,7 @@ void tcp_v4_mtu_reduced(struct sock *sk) * for the case, if this connection will not able to recover. */ if (mtu < dst_mtu(dst) && ip_dont_fragment(sk, dst)) - sk->sk_err_soft = EMSGSIZE; + WRITE_ONCE(sk->sk_err_soft, EMSGSIZE); mtu = dst_mtu(dst); @@ -592,15 +595,10 @@ int tcp_v4_err(struct sk_buff *skb, u32 info) ip_icmp_error(sk, skb, err, th->dest, info, (u8 *)th); - if (!sock_owned_by_user(sk)) { - sk->sk_err = err; - - sk_error_report(sk); - - tcp_done(sk); - } else { - sk->sk_err_soft = err; - } + if (!sock_owned_by_user(sk)) + tcp_done_with_error(sk, err); + else + WRITE_ONCE(sk->sk_err_soft, err); goto out; } @@ -622,10 +620,10 @@ int tcp_v4_err(struct sk_buff *skb, u32 info) inet = inet_sk(sk); if (!sock_owned_by_user(sk) && inet->recverr) { - sk->sk_err = err; + WRITE_ONCE(sk->sk_err, err); sk_error_report(sk); } else { /* Only an error on timeout */ - sk->sk_err_soft = err; + WRITE_ONCE(sk->sk_err_soft, err); } out: diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c index def337f72c..f17635ac7d 100644 --- a/net/ipv4/tcp_metrics.c +++ b/net/ipv4/tcp_metrics.c @@ -619,6 +619,7 @@ static const struct nla_policy tcp_metrics_nl_policy[TCP_METRICS_ATTR_MAX + 1] = [TCP_METRICS_ATTR_ADDR_IPV4] = { .type = NLA_U32, }, [TCP_METRICS_ATTR_ADDR_IPV6] = { .type = NLA_BINARY, .len = sizeof(struct in6_addr), }, + [TCP_METRICS_ATTR_SADDR_IPV4] = { .type = NLA_U32, }, /* Following attributes are not received for GET/DEL, * we keep them for reference */ diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index 2606a55711..d84b71f707 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -593,7 +593,7 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb, * it can be estimated (approximately) * from another data. */ - tmp_opt.ts_recent_stamp = ktime_get_seconds() - ((TCP_TIMEOUT_INIT/HZ)<num_timeout); + tmp_opt.ts_recent_stamp = ktime_get_seconds() - reqsk_timeout(req, TCP_RTO_MAX) / HZ; paws_reject = tcp_paws_reject(&tmp_opt, th->rst); } } @@ -632,8 +632,7 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb, !inet_rtx_syn_ack(sk, req)) { unsigned long expires = jiffies; - expires += min(TCP_TIMEOUT_INIT << req->num_timeout, - TCP_RTO_MAX); + expires += reqsk_timeout(req, TCP_RTO_MAX); if (!fastopen) mod_timer_pending(&req->rsk_timer, expires); else diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c index fc61cd3fea..357d3be04f 100644 --- a/net/ipv4/tcp_offload.c +++ b/net/ipv4/tcp_offload.c @@ -71,6 +71,9 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb, if (thlen < sizeof(*th)) goto out; + if (unlikely(skb_checksum_start(skb) != skb_transport_header(skb))) + goto out; + if (!pskb_may_pull(skb, thlen)) goto out; diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 0fb84e57a2..44eedae43e 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2308,7 +2308,7 @@ static bool tcp_can_coalesce_send_queue_head(struct sock *sk, int len) if (len <= skb->len) break; - if (unlikely(TCP_SKB_CB(skb)->eor) || tcp_has_tx_tstamp(skb)) + if (tcp_has_tx_tstamp(skb) || !tcp_skb_can_collapse(skb, next)) return false; len -= skb->len; @@ -3724,7 +3724,7 @@ static void tcp_connect_init(struct sock *sk) tp->rx_opt.rcv_wscale = rcv_wscale; tp->rcv_ssthresh = tp->rcv_wnd; - sk->sk_err = 0; + WRITE_ONCE(sk->sk_err, 0); sock_reset_flag(sk, SOCK_DONE); tp->snd_wnd = 0; tcp_init_wl(tp, 0); diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index 40a354dcfe..1a3a84992b 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -67,11 +67,7 @@ u32 tcp_clamp_probe0_to_user_timeout(const struct sock *sk, u32 when) static void tcp_write_err(struct sock *sk) { - sk->sk_err = sk->sk_err_soft ? : ETIMEDOUT; - sk_error_report(sk); - - tcp_write_queue_purge(sk); - tcp_done(sk); + tcp_done_with_error(sk, READ_ONCE(sk->sk_err_soft) ? : ETIMEDOUT); __NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPABORTONTIMEOUT); } @@ -110,7 +106,7 @@ static int tcp_out_of_resources(struct sock *sk, bool do_reset) shift++; /* If some dubious ICMP arrived, penalize even more. */ - if (sk->sk_err_soft) + if (READ_ONCE(sk->sk_err_soft)) shift++; if (tcp_check_oom(sk, shift)) { @@ -146,7 +142,7 @@ static int tcp_orphan_retries(struct sock *sk, bool alive) int retries = READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_orphan_retries); /* May be zero. */ /* We know from an ICMP that something is wrong. */ - if (sk->sk_err_soft && !alive) + if (READ_ONCE(sk->sk_err_soft) && !alive) retries = 0; /* However, if socket sent something recently, select some safe @@ -440,17 +436,34 @@ static void tcp_fastopen_synack_timer(struct sock *sk, struct request_sock *req) static bool tcp_rtx_probe0_timed_out(const struct sock *sk, const struct sk_buff *skb) { + const struct inet_connection_sock *icsk = inet_csk(sk); + u32 user_timeout = READ_ONCE(icsk->icsk_user_timeout); const struct tcp_sock *tp = tcp_sk(sk); - const int timeout = TCP_RTO_MAX * 2; - u32 rcv_delta, rtx_delta; - - rcv_delta = inet_csk(sk)->icsk_timeout - tp->rcv_tstamp; - if (rcv_delta <= timeout) - return false; + int timeout = TCP_RTO_MAX * 2; + u32 rtx_delta; + s32 rcv_delta; rtx_delta = (u32)msecs_to_jiffies(tcp_time_stamp(tp) - (tp->retrans_stamp ?: tcp_skb_timestamp(skb))); + if (user_timeout) { + /* If user application specified a TCP_USER_TIMEOUT, + * it does not want win 0 packets to 'reset the timer' + * while retransmits are not making progress. + */ + if (rtx_delta > user_timeout) + return true; + timeout = min_t(u32, timeout, msecs_to_jiffies(user_timeout)); + } + + /* Note: timer interrupt might have been delayed by at least one jiffy, + * and tp->rcv_tstamp might very well have been written recently. + * rcv_delta can thus be negative. + */ + rcv_delta = icsk->icsk_timeout - tp->rcv_tstamp; + if (rcv_delta <= timeout) + return false; + return rtx_delta > timeout; } @@ -492,8 +505,6 @@ void tcp_retransmit_timer(struct sock *sk) if (WARN_ON_ONCE(!skb)) return; - tp->tlp_high_seq = 0; - if (!tp->snd_wnd && !sock_flag(sk, SOCK_DEAD) && !((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV))) { /* Receiver dastardly shrinks window. Our retransmits diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 53d7a81d62..138fef35e7 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -317,6 +317,8 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum, goto fail_unlock; } + sock_set_flag(sk, SOCK_RCU_FREE); + sk_add_node_rcu(sk, &hslot->head); hslot->count++; sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); @@ -333,7 +335,7 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum, hslot2->count++; spin_unlock(&hslot2->lock); } - sock_set_flag(sk, SOCK_RCU_FREE); + error = 0; fail_unlock: spin_unlock_bh(&hslot->lock); diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index c612688499..19a413aad0 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -272,13 +272,25 @@ struct sk_buff *__udp_gso_segment(struct sk_buff *gso_skb, __sum16 check; __be16 newlen; - if (skb_shinfo(gso_skb)->gso_type & SKB_GSO_FRAGLIST) - return __udp_gso_segment_list(gso_skb, features, is_ipv6); - mss = skb_shinfo(gso_skb)->gso_size; if (gso_skb->len <= sizeof(*uh) + mss) return ERR_PTR(-EINVAL); + if (unlikely(skb_checksum_start(gso_skb) != + skb_transport_header(gso_skb) && + !(skb_shinfo(gso_skb)->gso_type & SKB_GSO_FRAGLIST))) + return ERR_PTR(-EINVAL); + + if (skb_gso_ok(gso_skb, features | NETIF_F_GSO_ROBUST)) { + /* Packet is from an untrusted source, reset gso_segs. */ + skb_shinfo(gso_skb)->gso_segs = DIV_ROUND_UP(gso_skb->len - sizeof(*uh), + mss); + return NULL; + } + + if (skb_shinfo(gso_skb)->gso_type & SKB_GSO_FRAGLIST) + return __udp_gso_segment_list(gso_skb, features, is_ipv6); + skb_pull(gso_skb, sizeof(*uh)); /* clear destructor to avoid skb_segment assigning it to tail */ @@ -618,13 +630,11 @@ struct sk_buff *udp4_gro_receive(struct list_head *head, struct sk_buff *skb) inet_gro_compute_pseudo); skip: NAPI_GRO_CB(skb)->is_ipv6 = 0; - rcu_read_lock(); if (static_branch_unlikely(&udp_encap_needed_key)) sk = udp4_gro_lookup_skb(skb, uh->source, uh->dest); pp = udp_gro_receive(head, skb, uh, sk); - rcu_read_unlock(); return pp; flush: @@ -659,7 +669,6 @@ int udp_gro_complete(struct sk_buff *skb, int nhoff, uh->len = newlen; - rcu_read_lock(); sk = INDIRECT_CALL_INET(lookup, udp6_lib_lookup_skb, udp4_lib_lookup_skb, skb, uh->source, uh->dest); if (sk && udp_sk(sk)->gro_complete) { @@ -680,7 +689,6 @@ int udp_gro_complete(struct sk_buff *skb, int nhoff, } else { err = udp_gro_complete_segment(skb); } - rcu_read_unlock(); if (skb->remcsum_offload) skb_shinfo(skb)->gso_type |= SKB_GSO_TUNNEL_REMCSUM; diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c index 9ebd54752e..5d8e38f4ec 100644 --- a/net/ipv4/xfrm4_policy.c +++ b/net/ipv4/xfrm4_policy.c @@ -17,49 +17,43 @@ #include #include -static struct dst_entry *__xfrm4_dst_lookup(struct net *net, struct flowi4 *fl4, - int tos, int oif, - const xfrm_address_t *saddr, - const xfrm_address_t *daddr, - u32 mark) +static struct dst_entry *__xfrm4_dst_lookup(struct flowi4 *fl4, + const struct xfrm_dst_lookup_params *params) { struct rtable *rt; memset(fl4, 0, sizeof(*fl4)); - fl4->daddr = daddr->a4; - fl4->flowi4_tos = tos; - fl4->flowi4_oif = l3mdev_master_ifindex_by_index(net, oif); - fl4->flowi4_mark = mark; - if (saddr) - fl4->saddr = saddr->a4; - - fl4->flowi4_flags = FLOWI_FLAG_SKIP_NH_OIF; - - rt = __ip_route_output_key(net, fl4); + fl4->daddr = params->daddr->a4; + fl4->flowi4_tos = params->tos; + fl4->flowi4_l3mdev = l3mdev_master_ifindex_by_index(params->net, + params->oif); + fl4->flowi4_mark = params->mark; + if (params->saddr) + fl4->saddr = params->saddr->a4; + fl4->flowi4_proto = params->ipproto; + fl4->uli = params->uli; + + rt = __ip_route_output_key(params->net, fl4); if (!IS_ERR(rt)) return &rt->dst; return ERR_CAST(rt); } -static struct dst_entry *xfrm4_dst_lookup(struct net *net, int tos, int oif, - const xfrm_address_t *saddr, - const xfrm_address_t *daddr, - u32 mark) +static struct dst_entry *xfrm4_dst_lookup(const struct xfrm_dst_lookup_params *params) { struct flowi4 fl4; - return __xfrm4_dst_lookup(net, &fl4, tos, oif, saddr, daddr, mark); + return __xfrm4_dst_lookup(&fl4, params); } -static int xfrm4_get_saddr(struct net *net, int oif, - xfrm_address_t *saddr, xfrm_address_t *daddr, - u32 mark) +static int xfrm4_get_saddr(xfrm_address_t *saddr, + const struct xfrm_dst_lookup_params *params) { struct dst_entry *dst; struct flowi4 fl4; - dst = __xfrm4_dst_lookup(net, &fl4, 0, oif, NULL, daddr, mark); + dst = __xfrm4_dst_lookup(&fl4, params); if (IS_ERR(dst)) return -EHOSTUNREACH; diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig index e504204bca..a7e7985125 100644 --- a/net/ipv6/Kconfig +++ b/net/ipv6/Kconfig @@ -322,6 +322,7 @@ config IPV6_RPL_LWTUNNEL bool "IPv6: RPL Source Routing Header support" depends on IPV6 select LWTUNNEL + select DST_CACHE help Support for RFC6554 RPL Source Routing Header using the lightweight tunnels mechanism. diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index a17e1d744b..932a10f64a 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1831,7 +1831,8 @@ int ipv6_dev_get_saddr(struct net *net, const struct net_device *dst_dev, master, &dst, scores, hiscore_idx); - if (scores[hiscore_idx].ifa) + if (scores[hiscore_idx].ifa && + scores[hiscore_idx].scopedist >= 0) goto out; } @@ -4131,7 +4132,7 @@ static void addrconf_dad_work(struct work_struct *w) if (!ipv6_generate_eui64(addr.s6_addr + 8, idev->dev) && ipv6_addr_equal(&ifp->addr, &addr)) { /* DAD failed for link-local based on MAC */ - idev->cnf.disable_ipv6 = 1; + WRITE_ONCE(idev->cnf.disable_ipv6, 1); pr_info("%s: IPv6 being disabled!\n", ifp->idev->dev->name); @@ -6277,7 +6278,8 @@ static void addrconf_disable_change(struct net *net, __s32 newf) idev = __in6_dev_get(dev); if (idev) { int changed = (!idev->cnf.disable_ipv6) ^ (!newf); - idev->cnf.disable_ipv6 = newf; + + WRITE_ONCE(idev->cnf.disable_ipv6, newf); if (changed) dev_disable_change(idev); } @@ -6294,7 +6296,7 @@ static int addrconf_disable_ipv6(struct ctl_table *table, int *p, int newf) net = (struct net *)table->extra2; old = *p; - *p = newf; + WRITE_ONCE(*p, newf); if (p == &net->ipv6.devconf_dflt->disable_ipv6) { rtnl_unlock(); @@ -6302,7 +6304,7 @@ static int addrconf_disable_ipv6(struct ctl_table *table, int *p, int newf) } if (p == &net->ipv6.devconf_all->disable_ipv6) { - net->ipv6.devconf_dflt->disable_ipv6 = newf; + WRITE_ONCE(net->ipv6.devconf_dflt->disable_ipv6, newf); addrconf_disable_change(net, newf); } else if ((!newf) ^ (!old)) dev_disable_change((struct inet6_dev *)table->extra1); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 8e0c33b683..bbfa5d3a16 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -452,11 +452,14 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) { struct sock *sk = sock->sk; u32 flags = BIND_WITH_LOCK; + const struct proto *prot; int err = 0; + /* IPV6_ADDRFORM can change sk->sk_prot under us. */ + prot = READ_ONCE(sk->sk_prot); /* If the socket has its own bind function then use it. */ - if (sk->sk_prot->bind) - return sk->sk_prot->bind(sk, uaddr, addr_len); + if (prot->bind) + return prot->bind(sk, uaddr, addr_len); if (addr_len < SIN6_LEN_RFC2133) return -EINVAL; @@ -572,6 +575,7 @@ int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) void __user *argp = (void __user *)arg; struct sock *sk = sock->sk; struct net *net = sock_net(sk); + const struct proto *prot; switch (cmd) { case SIOCADDRT: @@ -589,9 +593,11 @@ int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) case SIOCSIFDSTADDR: return addrconf_set_dstaddr(net, argp); default: - if (!sk->sk_prot->ioctl) + /* IPV6_ADDRFORM can change sk->sk_prot under us. */ + prot = READ_ONCE(sk->sk_prot); + if (!prot->ioctl) return -ENOIOCTLCMD; - return sk->sk_prot->ioctl(sk, cmd, arg); + return prot->ioctl(sk, cmd, arg); } /*NOTREACHED*/ return 0; @@ -653,11 +659,14 @@ INDIRECT_CALLABLE_DECLARE(int udpv6_sendmsg(struct sock *, struct msghdr *, int inet6_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) { struct sock *sk = sock->sk; + const struct proto *prot; if (unlikely(inet_send_prepare(sk))) return -EAGAIN; - return INDIRECT_CALL_2(sk->sk_prot->sendmsg, tcp_sendmsg, udpv6_sendmsg, + /* IPV6_ADDRFORM can change sk->sk_prot under us. */ + prot = READ_ONCE(sk->sk_prot); + return INDIRECT_CALL_2(prot->sendmsg, tcp_sendmsg, udpv6_sendmsg, sk, msg, size); } @@ -667,13 +676,16 @@ int inet6_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, int flags) { struct sock *sk = sock->sk; + const struct proto *prot; int addr_len = 0; int err; if (likely(!(flags & MSG_ERRQUEUE))) sock_rps_record_flow(sk); - err = INDIRECT_CALL_2(sk->sk_prot->recvmsg, tcp_recvmsg, udpv6_recvmsg, + /* IPV6_ADDRFORM can change sk->sk_prot under us. */ + prot = READ_ONCE(sk->sk_prot); + err = INDIRECT_CALL_2(prot->recvmsg, tcp_recvmsg, udpv6_recvmsg, sk, msg, size, flags & MSG_DONTWAIT, flags & ~MSG_DONTWAIT, &addr_len); if (err >= 0) diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index 26d4764946..a4b8c70ae5 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -255,8 +255,7 @@ static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb) #else static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb) { - kfree_skb(skb); - + WARN_ON(1); return -EOPNOTSUPP; } #endif diff --git a/net/ipv6/ila/ila.h b/net/ipv6/ila/ila.h index ad5f6f6ba3..85b9291784 100644 --- a/net/ipv6/ila/ila.h +++ b/net/ipv6/ila/ila.h @@ -108,6 +108,7 @@ int ila_lwt_init(void); void ila_lwt_fini(void); int ila_xlat_init_net(struct net *net); +void ila_xlat_pre_exit_net(struct net *net); void ila_xlat_exit_net(struct net *net); int ila_xlat_nl_cmd_add_mapping(struct sk_buff *skb, struct genl_info *info); diff --git a/net/ipv6/ila/ila_lwt.c b/net/ipv6/ila/ila_lwt.c index 8c1ce78956..9d37f7164e 100644 --- a/net/ipv6/ila/ila_lwt.c +++ b/net/ipv6/ila/ila_lwt.c @@ -58,7 +58,9 @@ static int ila_output(struct net *net, struct sock *sk, struct sk_buff *skb) return orig_dst->lwtstate->orig_output(net, sk, skb); } + local_bh_disable(); dst = dst_cache_get(&ilwt->dst_cache); + local_bh_enable(); if (unlikely(!dst)) { struct ipv6hdr *ip6h = ipv6_hdr(skb); struct flowi6 fl6; @@ -86,8 +88,11 @@ static int ila_output(struct net *net, struct sock *sk, struct sk_buff *skb) goto drop; } - if (ilwt->connected) + if (ilwt->connected) { + local_bh_disable(); dst_cache_set_ip6(&ilwt->dst_cache, dst, &fl6.saddr); + local_bh_enable(); + } } skb_dst_set(skb, dst); diff --git a/net/ipv6/ila/ila_main.c b/net/ipv6/ila/ila_main.c index 36c58aa257..a5b0365c5e 100644 --- a/net/ipv6/ila/ila_main.c +++ b/net/ipv6/ila/ila_main.c @@ -71,6 +71,11 @@ static __net_init int ila_init_net(struct net *net) return err; } +static __net_exit void ila_pre_exit_net(struct net *net) +{ + ila_xlat_pre_exit_net(net); +} + static __net_exit void ila_exit_net(struct net *net) { ila_xlat_exit_net(net); @@ -78,6 +83,7 @@ static __net_exit void ila_exit_net(struct net *net) static struct pernet_operations ila_net_ops = { .init = ila_init_net, + .pre_exit = ila_pre_exit_net, .exit = ila_exit_net, .id = &ila_net_id, .size = sizeof(struct ila_net), diff --git a/net/ipv6/ila/ila_xlat.c b/net/ipv6/ila/ila_xlat.c index 163668531a..1f7b674b7c 100644 --- a/net/ipv6/ila/ila_xlat.c +++ b/net/ipv6/ila/ila_xlat.c @@ -616,6 +616,15 @@ int ila_xlat_init_net(struct net *net) return 0; } +void ila_xlat_pre_exit_net(struct net *net) +{ + struct ila_net *ilan = net_generic(net, ila_net_id); + + if (ilan->xlat.hooks_registered) + nf_unregister_net_hooks(net, ila_nf_hook_ops, + ARRAY_SIZE(ila_nf_hook_ops)); +} + void ila_xlat_exit_net(struct net *net) { struct ila_net *ilan = net_generic(net, ila_net_id); @@ -623,10 +632,6 @@ void ila_xlat_exit_net(struct net *net) rhashtable_free_and_destroy(&ilan->xlat.rhash_table, ila_free_cb, NULL); free_bucket_spinlocks(ilan->xlat.locks); - - if (ilan->xlat.hooks_registered) - nf_unregister_net_hooks(net, ila_nf_hook_ops, - ARRAY_SIZE(ila_nf_hook_ops)); } static int ila_xlat_addr(struct sk_buff *skb, bool sir2ila) diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index c0ff5ee490..7d09193c14 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -961,6 +961,7 @@ static void __fib6_drop_pcpu_from(struct fib6_nh *fib6_nh, if (!fib6_nh->rt6i_pcpu) return; + rcu_read_lock(); /* release the reference to this fib entry from * all of its cached pcpu routes */ @@ -969,7 +970,9 @@ static void __fib6_drop_pcpu_from(struct fib6_nh *fib6_nh, struct rt6_info *pcpu_rt; ppcpu_rt = per_cpu_ptr(fib6_nh->rt6i_pcpu, cpu); - pcpu_rt = *ppcpu_rt; + + /* Paired with xchg() in rt6_get_pcpu_route() */ + pcpu_rt = READ_ONCE(*ppcpu_rt); /* only dropping the 'from' reference if the cached route * is using 'match'. The cached pcpu_rt->from only changes @@ -983,6 +986,7 @@ static void __fib6_drop_pcpu_from(struct fib6_nh *fib6_nh, fib6_info_release(from); } } + rcu_read_unlock(); } struct fib6_nh_pcpu_arg { diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index 32071529bf..c1c2943236 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -164,7 +164,7 @@ static struct sk_buff *ip6_rcv_core(struct sk_buff *skb, struct net_device *dev, __IP6_UPD_PO_STATS(net, idev, IPSTATS_MIB_IN, skb->len); if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL || - !idev || unlikely(idev->cnf.disable_ipv6)) { + !idev || unlikely(READ_ONCE(idev->cnf.disable_ipv6))) { __IP6_INC_STATS(net, idev, IPSTATS_MIB_INDISCARDS); goto drop; } diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c index 172565d125..30c56143d7 100644 --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -210,7 +210,6 @@ INDIRECT_CALLABLE_SCOPE struct sk_buff *ipv6_gro_receive(struct list_head *head, flush += ntohs(iph->payload_len) != skb_gro_len(skb); - rcu_read_lock(); proto = iph->nexthdr; ops = rcu_dereference(inet6_offloads[proto]); if (!ops || !ops->callbacks.gro_receive) { @@ -223,7 +222,7 @@ INDIRECT_CALLABLE_SCOPE struct sk_buff *ipv6_gro_receive(struct list_head *head, ops = rcu_dereference(inet6_offloads[proto]); if (!ops || !ops->callbacks.gro_receive) - goto out_unlock; + goto out; iph = ipv6_hdr(skb); } @@ -281,9 +280,6 @@ INDIRECT_CALLABLE_SCOPE struct sk_buff *ipv6_gro_receive(struct list_head *head, pp = indirect_call_gro_receive_l4(tcp6_gro_receive, udp6_gro_receive, ops->callbacks.gro_receive, head, skb); -out_unlock: - rcu_read_unlock(); - out: skb_gro_flush_final(skb, pp, flush); @@ -333,18 +329,14 @@ INDIRECT_CALLABLE_SCOPE int ipv6_gro_complete(struct sk_buff *skb, int nhoff) iph->payload_len = htons(skb->len - nhoff - sizeof(*iph)); - rcu_read_lock(); - nhoff += sizeof(*iph) + ipv6_exthdrs_len(iph, &ops); if (WARN_ON(!ops || !ops->callbacks.gro_complete)) - goto out_unlock; + goto out; err = INDIRECT_CALL_L4(ops->callbacks.gro_complete, tcp6_gro_complete, udp6_gro_complete, skb, nhoff); -out_unlock: - rcu_read_unlock(); - +out: return err; } diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 7205473ba2..9899bac5e1 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -69,11 +69,15 @@ static int ip6_finish_output2(struct net *net, struct sock *sk, struct sk_buff * /* Be paranoid, rather than too clever. */ if (unlikely(hh_len > skb_headroom(skb)) && dev->header_ops) { + /* Make sure idev stays alive */ + rcu_read_lock(); skb = skb_expand_head(skb, hh_len); if (!skb) { IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTDISCARDS); + rcu_read_unlock(); return -ENOMEM; } + rcu_read_unlock(); } hdr = ipv6_hdr(skb); @@ -221,7 +225,7 @@ int ip6_output(struct net *net, struct sock *sk, struct sk_buff *skb) skb->protocol = htons(ETH_P_IPV6); skb->dev = dev; - if (unlikely(idev->cnf.disable_ipv6)) { + if (unlikely(!idev || READ_ONCE(idev->cnf.disable_ipv6))) { IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTDISCARDS); kfree_skb(skb); return 0; @@ -269,11 +273,15 @@ int ip6_xmit(const struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6, head_room += opt->opt_nflen + opt->opt_flen; if (unlikely(head_room > skb_headroom(skb))) { + /* Make sure idev stays alive */ + rcu_read_lock(); skb = skb_expand_head(skb, head_room); if (!skb) { IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTDISCARDS); + rcu_read_unlock(); return -ENOBUFS; } + rcu_read_unlock(); } if (opt) { @@ -1058,8 +1066,7 @@ static struct dst_entry *ip6_sk_dst_check(struct sock *sk, #ifdef CONFIG_IPV6_SUBTREES ip6_rt_check(&rt->rt6i_src, &fl6->saddr, np->saddr_cache) || #endif - (!(fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF) && - (fl6->flowi6_oif && fl6->flowi6_oif != dst->dev->ifindex))) { + (fl6->flowi6_oif && fl6->flowi6_oif != dst->dev->ifindex)) { dst_release(dst); dst = NULL; } @@ -1940,6 +1947,7 @@ int ip6_send_skb(struct sk_buff *skb) struct rt6_info *rt = (struct rt6_info *)skb_dst(skb); int err; + rcu_read_lock(); err = ip6_local_out(net, skb->sk, skb); if (err) { if (err > 0) @@ -1949,6 +1957,7 @@ int ip6_send_skb(struct sk_buff *skb) IPSTATS_MIB_OUTDISCARDS); } + rcu_read_unlock(); return err; } diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index d370a71c97..5955fca601 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1501,7 +1501,8 @@ static void ip6_tnl_link_config(struct ip6_tnl *t) tdev = __dev_get_by_index(t->net, p->link); if (tdev) { - dev->hard_header_len = tdev->hard_header_len + t_hlen; + dev->needed_headroom = tdev->hard_header_len + + tdev->needed_headroom + t_hlen; mtu = min_t(unsigned int, tdev->mtu, IP6_MAX_MTU); mtu = mtu - t_hlen; @@ -1729,7 +1730,9 @@ ip6_tnl_siocdevprivate(struct net_device *dev, struct ifreq *ifr, int ip6_tnl_change_mtu(struct net_device *dev, int new_mtu) { struct ip6_tnl *tnl = netdev_priv(dev); + int t_hlen; + t_hlen = tnl->hlen + sizeof(struct ipv6hdr); if (tnl->parms.proto == IPPROTO_IPV6) { if (new_mtu < IPV6_MIN_MTU) return -EINVAL; @@ -1738,10 +1741,10 @@ int ip6_tnl_change_mtu(struct net_device *dev, int new_mtu) return -EINVAL; } if (tnl->parms.proto == IPPROTO_IPV6 || tnl->parms.proto == 0) { - if (new_mtu > IP6_MAX_MTU - dev->hard_header_len) + if (new_mtu > IP6_MAX_MTU - dev->hard_header_len - t_hlen) return -EINVAL; } else { - if (new_mtu > IP_MAX_MTU - dev->hard_header_len) + if (new_mtu > IP_MAX_MTU - dev->hard_header_len - t_hlen) return -EINVAL; } dev->mtu = new_mtu; @@ -1887,12 +1890,11 @@ ip6_tnl_dev_init_gen(struct net_device *dev) t_hlen = t->hlen + sizeof(struct ipv6hdr); dev->type = ARPHRD_TUNNEL6; - dev->hard_header_len = LL_MAX_HEADER + t_hlen; dev->mtu = ETH_DATA_LEN - t_hlen; if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT)) dev->mtu -= 8; dev->min_mtu = ETH_MIN_MTU; - dev->max_mtu = IP6_MAX_MTU - dev->hard_header_len; + dev->max_mtu = IP6_MAX_MTU - dev->hard_header_len - t_hlen; dev_hold(dev); return 0; diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 197e12d560..41e8b02c12 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -471,12 +471,14 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, if (sk->sk_protocol == IPPROTO_TCP) { struct inet_connection_sock *icsk = inet_csk(sk); - local_bh_disable(); + sock_prot_inuse_add(net, sk->sk_prot, -1); sock_prot_inuse_add(net, &tcp_prot, 1); - local_bh_enable(); - sk->sk_prot = &tcp_prot; - icsk->icsk_af_ops = &ipv4_specific; + + /* Paired with READ_ONCE(sk->sk_prot) in inet6_stream_ops */ + WRITE_ONCE(sk->sk_prot, &tcp_prot); + /* Paired with READ_ONCE() in tcp_(get|set)sockopt() */ + WRITE_ONCE(icsk->icsk_af_ops, &ipv4_specific); sk->sk_socket->ops = &inet_stream_ops; sk->sk_family = PF_INET; tcp_sync_mss(sk, icsk->icsk_pmtu_cookie); @@ -485,11 +487,12 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, if (sk->sk_protocol == IPPROTO_UDPLITE) prot = &udplite_prot; - local_bh_disable(); + sock_prot_inuse_add(net, sk->sk_prot, -1); sock_prot_inuse_add(net, prot, 1); - local_bh_enable(); - sk->sk_prot = prot; + + /* Paired with READ_ONCE(sk->sk_prot) in inet6_dgram_ops */ + WRITE_ONCE(sk->sk_prot, prot); sk->sk_socket->ops = &inet_dgram_ops; sk->sk_family = PF_INET; } diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 856edbe81e..d56e80741c 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -226,6 +226,7 @@ struct ndisc_options *ndisc_parse_options(const struct net_device *dev, return NULL; memset(ndopts, 0, sizeof(*ndopts)); while (opt_len) { + bool unknown = false; int l; if (opt_len < sizeof(struct nd_opt_hdr)) return NULL; @@ -261,22 +262,23 @@ struct ndisc_options *ndisc_parse_options(const struct net_device *dev, break; #endif default: - if (ndisc_is_useropt(dev, nd_opt)) { - ndopts->nd_useropts_end = nd_opt; - if (!ndopts->nd_useropts) - ndopts->nd_useropts = nd_opt; - } else { - /* - * Unknown options must be silently ignored, - * to accommodate future extension to the - * protocol. - */ - ND_PRINTK(2, notice, - "%s: ignored unsupported option; type=%d, len=%d\n", - __func__, - nd_opt->nd_opt_type, - nd_opt->nd_opt_len); - } + unknown = true; + } + if (ndisc_is_useropt(dev, nd_opt)) { + ndopts->nd_useropts_end = nd_opt; + if (!ndopts->nd_useropts) + ndopts->nd_useropts = nd_opt; + } else if (unknown) { + /* + * Unknown options must be silently ignored, + * to accommodate future extension to the + * protocol. + */ + ND_PRINTK(2, notice, + "%s: ignored unsupported option; type=%d, len=%d\n", + __func__, + nd_opt->nd_opt_type, + nd_opt->nd_opt_len); } next_opt: opt_len -= l; diff --git a/net/ipv6/netfilter/ip6t_rpfilter.c b/net/ipv6/netfilter/ip6t_rpfilter.c index d800801a5d..67c87a88cd 100644 --- a/net/ipv6/netfilter/ip6t_rpfilter.c +++ b/net/ipv6/netfilter/ip6t_rpfilter.c @@ -37,8 +37,10 @@ static bool rpfilter_lookup_reverse6(struct net *net, const struct sk_buff *skb, bool ret = false; struct flowi6 fl6 = { .flowi6_iif = LOOPBACK_IFINDEX, + .flowi6_l3mdev = l3mdev_master_ifindex_rcu(dev), .flowlabel = (* (__be32 *) iph) & IPV6_FLOWINFO_MASK, .flowi6_proto = iph->nexthdr, + .flowi6_uid = sock_net_uid(net, NULL), .daddr = iph->saddr, }; int lookup_flags; @@ -55,9 +57,7 @@ static bool rpfilter_lookup_reverse6(struct net *net, const struct sk_buff *skb, if (rpfilter_addr_linklocal(&iph->saddr)) { lookup_flags |= RT6_LOOKUP_F_IFACE; fl6.flowi6_oif = dev->ifindex; - /* Set flowi6_oif for vrf devices to lookup route in l3mdev domain. */ - } else if (netif_is_l3_master(dev) || netif_is_l3_slave(dev) || - (flags & XT_RPFILTER_LOOSE) == 0) + } else if ((flags & XT_RPFILTER_LOOSE) == 0) fl6.flowi6_oif = dev->ifindex; rt = (void *)ip6_route_lookup(net, &fl6, skb, lookup_flags); diff --git a/net/ipv6/netfilter/ip6table_nat.c b/net/ipv6/netfilter/ip6table_nat.c index 921c1723a0..229a81cf1a 100644 --- a/net/ipv6/netfilter/ip6table_nat.c +++ b/net/ipv6/netfilter/ip6table_nat.c @@ -154,23 +154,27 @@ static struct pernet_operations ip6table_nat_net_ops = { static int __init ip6table_nat_init(void) { - int ret = xt_register_template(&nf_nat_ipv6_table, - ip6table_nat_table_init); + int ret; + /* net->gen->ptr[ip6table_nat_net_id] must be allocated + * before calling ip6t_nat_register_lookups(). + */ + ret = register_pernet_subsys(&ip6table_nat_net_ops); if (ret < 0) return ret; - ret = register_pernet_subsys(&ip6table_nat_net_ops); + ret = xt_register_template(&nf_nat_ipv6_table, + ip6table_nat_table_init); if (ret) - xt_unregister_template(&nf_nat_ipv6_table); + unregister_pernet_subsys(&ip6table_nat_net_ops); return ret; } static void __exit ip6table_nat_exit(void) { - unregister_pernet_subsys(&ip6table_nat_net_ops); xt_unregister_template(&nf_nat_ipv6_table); + unregister_pernet_subsys(&ip6table_nat_net_ops); } module_init(ip6table_nat_init); diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index 5c47be29b9..0ec5ec5a5b 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -155,6 +155,10 @@ static struct frag_queue *fq_find(struct net *net, __be32 id, u32 user, }; struct inet_frag_queue *q; + if (!(ipv6_addr_type(&hdr->daddr) & (IPV6_ADDR_MULTICAST | + IPV6_ADDR_LINKLOCAL))) + key.iif = 0; + q = inet_frag_find(nf_frag->fqdir, &key); if (!q) return NULL; @@ -293,6 +297,7 @@ static int nf_ct_frag6_queue(struct frag_queue *fq, struct sk_buff *skb, } skb_dst_drop(skb); + skb_orphan(skb); return -EINPROGRESS; insert_error: @@ -468,7 +473,6 @@ int nf_ct_frag6_gather(struct net *net, struct sk_buff *skb, u32 user) hdr = ipv6_hdr(skb); fhdr = (struct frag_hdr *)skb_transport_header(skb); - skb_orphan(skb); fq = fq_find(net, fhdr->identification, user, hdr, skb->dev ? skb->dev->ifindex : 0); if (fq == NULL) { diff --git a/net/ipv6/netfilter/nf_dup_ipv6.c b/net/ipv6/netfilter/nf_dup_ipv6.c index a0a2de30be..0c39c77fe8 100644 --- a/net/ipv6/netfilter/nf_dup_ipv6.c +++ b/net/ipv6/netfilter/nf_dup_ipv6.c @@ -47,11 +47,12 @@ static bool nf_dup_ipv6_route(struct net *net, struct sk_buff *skb, void nf_dup_ipv6(struct net *net, struct sk_buff *skb, unsigned int hooknum, const struct in6_addr *gw, int oif) { + local_bh_disable(); if (this_cpu_read(nf_skb_duplicated)) - return; + goto out; skb = pskb_copy(skb, GFP_ATOMIC); if (skb == NULL) - return; + goto out; #if IS_ENABLED(CONFIG_NF_CONNTRACK) nf_reset_ct(skb); @@ -69,6 +70,8 @@ void nf_dup_ipv6(struct net *net, struct sk_buff *skb, unsigned int hooknum, } else { kfree_skb(skb); } +out: + local_bh_enable(); } EXPORT_SYMBOL_GPL(nf_dup_ipv6); diff --git a/net/ipv6/netfilter/nf_reject_ipv6.c b/net/ipv6/netfilter/nf_reject_ipv6.c index c0057edd84..8208490e05 100644 --- a/net/ipv6/netfilter/nf_reject_ipv6.c +++ b/net/ipv6/netfilter/nf_reject_ipv6.c @@ -223,33 +223,23 @@ void nf_reject_ip6_tcphdr_put(struct sk_buff *nskb, const struct tcphdr *oth, unsigned int otcplen) { struct tcphdr *tcph; - int needs_ack; skb_reset_transport_header(nskb); - tcph = skb_put(nskb, sizeof(struct tcphdr)); + tcph = skb_put_zero(nskb, sizeof(struct tcphdr)); /* Truncate to length (no data) */ tcph->doff = sizeof(struct tcphdr)/4; tcph->source = oth->dest; tcph->dest = oth->source; if (oth->ack) { - needs_ack = 0; tcph->seq = oth->ack_seq; - tcph->ack_seq = 0; } else { - needs_ack = 1; tcph->ack_seq = htonl(ntohl(oth->seq) + oth->syn + oth->fin + otcplen - (oth->doff<<2)); - tcph->seq = 0; + tcph->ack = 1; } - /* Reset flags */ - ((u_int8_t *)tcph)[13] = 0; tcph->rst = 1; - tcph->ack = needs_ack; - tcph->window = 0; - tcph->urg_ptr = 0; - tcph->check = 0; /* Adjust TCP checksum */ tcph->check = csum_ipv6_magic(&ipv6_hdr(nskb)->saddr, diff --git a/net/ipv6/netfilter/nft_fib_ipv6.c b/net/ipv6/netfilter/nft_fib_ipv6.c index 602743f6dc..1a08b00aa3 100644 --- a/net/ipv6/netfilter/nft_fib_ipv6.c +++ b/net/ipv6/netfilter/nft_fib_ipv6.c @@ -37,9 +37,6 @@ static int nft_fib6_flowi_init(struct flowi6 *fl6, const struct nft_fib *priv, if (ipv6_addr_type(&fl6->daddr) & IPV6_ADDR_LINKLOCAL) { lookup_flags |= RT6_LOOKUP_F_IFACE; fl6->flowi6_oif = get_ifindex(dev ? dev : pkt->skb->dev); - } else if ((priv->flags & NFTA_FIB_F_IIF) && - (netif_is_l3_master(dev) || netif_is_l3_slave(dev))) { - fl6->flowi6_oif = dev->ifindex; } if (ipv6_addr_type(&fl6->saddr) & IPV6_ADDR_UNICAST) @@ -63,6 +60,7 @@ static u32 __nft_fib6_eval_type(const struct nft_fib *priv, struct flowi6 fl6 = { .flowi6_iif = LOOPBACK_IFINDEX, .flowi6_proto = pkt->tprot, + .flowi6_uid = sock_net_uid(nft_net(pkt), NULL), }; u32 ret = 0; @@ -71,6 +69,8 @@ static u32 __nft_fib6_eval_type(const struct nft_fib *priv, else if (priv->flags & NFTA_FIB_F_OIF) dev = nft_out(pkt); + fl6.flowi6_l3mdev = l3mdev_master_ifindex_rcu(dev); + nft_fib6_flowi_init(&fl6, priv, pkt, dev, iph); if (dev && nf_ipv6_chk_addr(nft_net(pkt), &fl6.daddr, dev, true)) @@ -160,6 +160,8 @@ void nft_fib6_eval(const struct nft_expr *expr, struct nft_regs *regs, struct flowi6 fl6 = { .flowi6_iif = LOOPBACK_IFINDEX, .flowi6_proto = pkt->tprot, + .flowi6_uid = sock_net_uid(nft_net(pkt), NULL), + .flowi6_l3mdev = l3mdev_master_ifindex_rcu(nft_in(pkt)), }; struct rt6_info *rt; int lookup_flags; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 3bc3a30363..35d3f02ddf 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -634,6 +634,8 @@ static void rt6_probe(struct fib6_nh *fib6_nh) rcu_read_lock_bh(); last_probe = READ_ONCE(fib6_nh->last_probe); idev = __in6_dev_get(dev); + if (!idev) + goto out; neigh = __ipv6_neigh_lookup_noref(dev, nh_gw); if (neigh) { if (neigh->nud_state & NUD_VALID) @@ -1207,9 +1209,6 @@ INDIRECT_CALLABLE_SCOPE struct rt6_info *ip6_pol_route_lookup(struct net *net, struct fib6_node *fn; struct rt6_info *rt; - if (fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF) - flags &= ~RT6_LOOKUP_F_IFACE; - rcu_read_lock(); fn = fib6_node_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr); restart: @@ -1398,6 +1397,7 @@ static struct rt6_info *rt6_get_pcpu_route(const struct fib6_result *res) struct rt6_info *prev, **p; p = this_cpu_ptr(res->nh->rt6i_pcpu); + /* Paired with READ_ONCE() in __fib6_drop_pcpu_from() */ prev = xchg(p, NULL); if (prev) { dst_dev_put(&prev->dst); @@ -2179,9 +2179,6 @@ int fib6_table_lookup(struct net *net, struct fib6_table *table, int oif, fn = fib6_node_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr); saved_fn = fn; - if (fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF) - oif = 0; - redo_rt6_select: rt6_select(net, fn, oif, res, strict); if (res->f6i == net->ipv6.fib6_null_entry) { @@ -3057,12 +3054,6 @@ INDIRECT_CALLABLE_SCOPE struct rt6_info *__ip6_route_redirect(struct net *net, struct fib6_info *rt; struct fib6_node *fn; - /* l3mdev_update_flow overrides oif if the device is enslaved; in - * this case we must match on the real ingress device, so reset it - */ - if (fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF) - fl6->flowi6_oif = skb->dev->ifindex; - /* Get the "current" route for this destination and * check if the redirect has come from appropriate router. * @@ -3598,7 +3589,7 @@ int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh, if (!dev) goto out; - if (idev->cnf.disable_ipv6) { + if (!idev || idev->cnf.disable_ipv6) { NL_SET_ERR_MSG(extack, "IPv6 is disabled on nexthop device"); err = -EACCES; goto out; @@ -6345,12 +6336,12 @@ static int ipv6_sysctl_rtcache_flush(struct ctl_table *ctl, int write, if (!write) return -EINVAL; - net = (struct net *)ctl->extra1; - delay = net->ipv6.sysctl.flush_delay; ret = proc_dointvec(ctl, write, buffer, lenp, ppos); if (ret) return ret; + net = (struct net *)ctl->extra1; + delay = net->ipv6.sysctl.flush_delay; fib6_run_gc(delay <= 0 ? 0 : (unsigned long)delay, net, delay > 0); return 0; } diff --git a/net/ipv6/rpl_iptunnel.c b/net/ipv6/rpl_iptunnel.c index ff691d9f4a..c1d0f947a7 100644 --- a/net/ipv6/rpl_iptunnel.c +++ b/net/ipv6/rpl_iptunnel.c @@ -212,9 +212,9 @@ static int rpl_output(struct net *net, struct sock *sk, struct sk_buff *skb) if (unlikely(err)) goto drop; - preempt_disable(); + local_bh_disable(); dst = dst_cache_get(&rlwt->cache); - preempt_enable(); + local_bh_enable(); if (unlikely(!dst)) { struct ipv6hdr *hdr = ipv6_hdr(skb); @@ -234,9 +234,9 @@ static int rpl_output(struct net *net, struct sock *sk, struct sk_buff *skb) goto drop; } - preempt_disable(); + local_bh_disable(); dst_cache_set_ip6(&rlwt->cache, dst, &fl6.saddr); - preempt_enable(); + local_bh_enable(); } skb_dst_drop(skb); @@ -263,14 +263,11 @@ static int rpl_input(struct sk_buff *skb) rlwt = rpl_lwt_lwtunnel(orig_dst->lwtstate); err = rpl_do_srh(skb, rlwt); - if (unlikely(err)) { - kfree_skb(skb); - return err; - } + if (unlikely(err)) + goto drop; - preempt_disable(); + local_bh_disable(); dst = dst_cache_get(&rlwt->cache); - preempt_enable(); skb_dst_drop(skb); @@ -278,20 +275,23 @@ static int rpl_input(struct sk_buff *skb) ip6_route_input(skb); dst = skb_dst(skb); if (!dst->error) { - preempt_disable(); dst_cache_set_ip6(&rlwt->cache, dst, &ipv6_hdr(skb)->saddr); - preempt_enable(); } } else { skb_dst_set(skb, dst); } + local_bh_enable(); err = skb_cow_head(skb, LL_RESERVED_SPACE(dst->dev)); if (unlikely(err)) - return err; + goto drop; return dst_input(skb); + +drop: + kfree_skb(skb); + return err; } static int nla_put_rpl_srh(struct sk_buff *skb, int attrtype, diff --git a/net/ipv6/seg6_iptunnel.c b/net/ipv6/seg6_iptunnel.c index f98bb71919..135712649d 100644 --- a/net/ipv6/seg6_iptunnel.c +++ b/net/ipv6/seg6_iptunnel.c @@ -332,9 +332,8 @@ static int seg6_input_core(struct net *net, struct sock *sk, slwt = seg6_lwt_lwtunnel(orig_dst->lwtstate); - preempt_disable(); + local_bh_disable(); dst = dst_cache_get(&slwt->cache); - preempt_enable(); skb_dst_drop(skb); @@ -342,14 +341,13 @@ static int seg6_input_core(struct net *net, struct sock *sk, ip6_route_input(skb); dst = skb_dst(skb); if (!dst->error) { - preempt_disable(); dst_cache_set_ip6(&slwt->cache, dst, &ipv6_hdr(skb)->saddr); - preempt_enable(); } } else { skb_dst_set(skb, dst); } + local_bh_enable(); err = skb_cow_head(skb, LL_RESERVED_SPACE(dst->dev)); if (unlikely(err)) @@ -405,9 +403,9 @@ static int seg6_output_core(struct net *net, struct sock *sk, slwt = seg6_lwt_lwtunnel(orig_dst->lwtstate); - preempt_disable(); + local_bh_disable(); dst = dst_cache_get(&slwt->cache); - preempt_enable(); + local_bh_enable(); if (unlikely(!dst)) { struct ipv6hdr *hdr = ipv6_hdr(skb); @@ -427,9 +425,9 @@ static int seg6_output_core(struct net *net, struct sock *sk, goto drop; } - preempt_disable(); + local_bh_disable(); dst_cache_set_ip6(&slwt->cache, dst, &fl6.saddr); - preempt_enable(); + local_bh_enable(); } skb_dst_drop(skb); diff --git a/net/ipv6/seg6_local.c b/net/ipv6/seg6_local.c index 59454285d5..0b64cf5b0f 100644 --- a/net/ipv6/seg6_local.c +++ b/net/ipv6/seg6_local.c @@ -217,6 +217,7 @@ seg6_lookup_any_nexthop(struct sk_buff *skb, struct in6_addr *nhaddr, struct flowi6 fl6; int dev_flags = 0; + memset(&fl6, 0, sizeof(fl6)); fl6.flowi6_iif = skb->dev->ifindex; fl6.daddr = nhaddr ? *nhaddr : hdr->daddr; fl6.saddr = hdr->saddr; @@ -427,8 +428,8 @@ static int input_action_end_dx6(struct sk_buff *skb, if (static_branch_unlikely(&nf_hooks_lwtunnel_enabled)) return NF_HOOK(NFPROTO_IPV6, NF_INET_PRE_ROUTING, - dev_net(skb->dev), NULL, skb, NULL, - skb_dst(skb)->dev, input_action_end_dx6_finish); + dev_net(skb->dev), NULL, skb, skb->dev, + NULL, input_action_end_dx6_finish); return input_action_end_dx6_finish(dev_net(skb->dev), NULL, skb); drop: @@ -477,8 +478,8 @@ static int input_action_end_dx4(struct sk_buff *skb, if (static_branch_unlikely(&nf_hooks_lwtunnel_enabled)) return NF_HOOK(NFPROTO_IPV4, NF_INET_PRE_ROUTING, - dev_net(skb->dev), NULL, skb, NULL, - skb_dst(skb)->dev, input_action_end_dx4_finish); + dev_net(skb->dev), NULL, skb, skb->dev, + NULL, input_action_end_dx4_finish); return input_action_end_dx4_finish(dev_net(skb->dev), NULL, skb); drop: diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index c18fdddbfa..fedbce7ed8 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -237,7 +237,8 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, sin.sin_port = usin->sin6_port; sin.sin_addr.s_addr = usin->sin6_addr.s6_addr32[3]; - icsk->icsk_af_ops = &ipv6_mapped; + /* Paired with READ_ONCE() in tcp_(get|set)sockopt() */ + WRITE_ONCE(icsk->icsk_af_ops, &ipv6_mapped); if (sk_is_mptcp(sk)) mptcpv6_handle_mapped(sk, true); sk->sk_backlog_rcv = tcp_v4_do_rcv; @@ -249,7 +250,8 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, if (err) { icsk->icsk_ext_hdr_len = exthdrlen; - icsk->icsk_af_ops = &ipv6_specific; + /* Paired with READ_ONCE() in tcp_(get|set)sockopt() */ + WRITE_ONCE(icsk->icsk_af_ops, &ipv6_specific); if (sk_is_mptcp(sk)) mptcpv6_handle_mapped(sk, false); sk->sk_backlog_rcv = tcp_v6_do_rcv; @@ -483,13 +485,10 @@ static int tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, ipv6_icmp_error(sk, skb, err, th->dest, ntohl(info), (u8 *)th); - if (!sock_owned_by_user(sk)) { - sk->sk_err = err; - sk_error_report(sk); /* Wake people up to see the error (see connect in sock.c) */ - - tcp_done(sk); - } else - sk->sk_err_soft = err; + if (!sock_owned_by_user(sk)) + tcp_done_with_error(sk, err); + else + WRITE_ONCE(sk->sk_err_soft, err); goto out; case TCP_LISTEN: break; @@ -503,11 +502,11 @@ static int tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, } if (!sock_owned_by_user(sk) && np->recverr) { - sk->sk_err = err; + WRITE_ONCE(sk->sk_err, err); sk_error_report(sk); - } else - sk->sk_err_soft = err; - + } else { + WRITE_ONCE(sk->sk_err_soft, err); + } out: bh_unlock_sock(sk); sock_put(sk); @@ -1331,7 +1330,6 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff * */ newsk->sk_gso_type = SKB_GSO_TCPV6; - ip6_dst_store(newsk, dst, NULL, NULL); inet6_sk_rx_dst_set(newsk, skb); inet_sk(newsk)->pinet6 = tcp_inet6_sk(newsk); @@ -1342,6 +1340,8 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff * memcpy(newnp, np, sizeof(struct ipv6_pinfo)); + ip6_dst_store(newsk, dst, NULL, NULL); + newsk->sk_v6_daddr = ireq->ir_v6_rmt_addr; newnp->saddr = ireq->ir_v6_loc_addr; newsk->sk_v6_rcv_saddr = ireq->ir_v6_loc_addr; diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c index 28f63c01a5..f93195fcc0 100644 --- a/net/ipv6/udp_offload.c +++ b/net/ipv6/udp_offload.c @@ -144,13 +144,11 @@ struct sk_buff *udp6_gro_receive(struct list_head *head, struct sk_buff *skb) skip: NAPI_GRO_CB(skb)->is_ipv6 = 1; - rcu_read_lock(); if (static_branch_unlikely(&udpv6_encap_needed_key)) sk = udp6_gro_lookup_skb(skb, uh->source, uh->dest); pp = udp_gro_receive(head, skb, uh, sk); - rcu_read_unlock(); return pp; flush: diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index 4c3aa97f23..f5ef5e4c88 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -23,24 +23,24 @@ #include #include -static struct dst_entry *xfrm6_dst_lookup(struct net *net, int tos, int oif, - const xfrm_address_t *saddr, - const xfrm_address_t *daddr, - u32 mark) +static struct dst_entry *xfrm6_dst_lookup(const struct xfrm_dst_lookup_params *params) { struct flowi6 fl6; struct dst_entry *dst; int err; memset(&fl6, 0, sizeof(fl6)); - fl6.flowi6_oif = l3mdev_master_ifindex_by_index(net, oif); - fl6.flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF; - fl6.flowi6_mark = mark; - memcpy(&fl6.daddr, daddr, sizeof(fl6.daddr)); - if (saddr) - memcpy(&fl6.saddr, saddr, sizeof(fl6.saddr)); + fl6.flowi6_l3mdev = l3mdev_master_ifindex_by_index(params->net, + params->oif); + fl6.flowi6_mark = params->mark; + memcpy(&fl6.daddr, params->daddr, sizeof(fl6.daddr)); + if (params->saddr) + memcpy(&fl6.saddr, params->saddr, sizeof(fl6.saddr)); - dst = ip6_route_output(net, NULL, &fl6); + fl6.flowi4_proto = params->ipproto; + fl6.uli = params->uli; + + dst = ip6_route_output(params->net, NULL, &fl6); err = dst->error; if (dst->error) { @@ -51,19 +51,25 @@ static struct dst_entry *xfrm6_dst_lookup(struct net *net, int tos, int oif, return dst; } -static int xfrm6_get_saddr(struct net *net, int oif, - xfrm_address_t *saddr, xfrm_address_t *daddr, - u32 mark) +static int xfrm6_get_saddr(xfrm_address_t *saddr, + const struct xfrm_dst_lookup_params *params) { struct dst_entry *dst; struct net_device *dev; + struct inet6_dev *idev; - dst = xfrm6_dst_lookup(net, 0, oif, NULL, daddr, mark); + dst = xfrm6_dst_lookup(params); if (IS_ERR(dst)) return -EHOSTUNREACH; - dev = ip6_dst_idev(dst)->dev; - ipv6_dev_get_saddr(dev_net(dev), dev, &daddr->in6, 0, &saddr->in6); + idev = ip6_dst_idev(dst); + if (!idev) { + dst_release(dst); + return -EHOSTUNREACH; + } + dev = idev->dev; + ipv6_dev_get_saddr(dev_net(dev), dev, ¶ms->daddr->in6, 0, + &saddr->in6); dst_release(dst); return 0; } diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 18316ee3c6..e6cb3e1cbb 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -336,8 +336,8 @@ static void iucv_sever_path(struct sock *sk, int with_user_data) struct iucv_sock *iucv = iucv_sk(sk); struct iucv_path *path = iucv->path; - if (iucv->path) { - iucv->path = NULL; + /* Whoever resets the path pointer, must sever and free it. */ + if (xchg(&iucv->path, NULL)) { if (with_user_data) { low_nmcpy(user_data, iucv->src_name); high_nmcpy(user_data, iucv->dst_name); diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c index 68edefed79..1a88ed72a7 100644 --- a/net/iucv/iucv.c +++ b/net/iucv/iucv.c @@ -519,7 +519,7 @@ static void iucv_setmask_mp(void) */ static void iucv_setmask_up(void) { - cpumask_t cpumask; + static cpumask_t cpumask; int cpu; /* Disable all cpu but the first in cpu_irq_cpumask. */ @@ -627,23 +627,33 @@ static int iucv_cpu_online(unsigned int cpu) static int iucv_cpu_down_prep(unsigned int cpu) { - cpumask_t cpumask; + cpumask_var_t cpumask; + int ret = 0; if (!iucv_path_table) return 0; - cpumask_copy(&cpumask, &iucv_buffer_cpumask); - cpumask_clear_cpu(cpu, &cpumask); - if (cpumask_empty(&cpumask)) + if (!alloc_cpumask_var(&cpumask, GFP_KERNEL)) + return -ENOMEM; + + cpumask_copy(cpumask, &iucv_buffer_cpumask); + cpumask_clear_cpu(cpu, cpumask); + if (cpumask_empty(cpumask)) { /* Can't offline last IUCV enabled cpu. */ - return -EINVAL; + ret = -EINVAL; + goto __free_cpumask; + } iucv_retrieve_cpu(NULL); if (!cpumask_empty(&iucv_irq_cpumask)) - return 0; + goto __free_cpumask; + smp_call_function_single(cpumask_first(&iucv_buffer_cpumask), iucv_allow_cpu, NULL, 1); - return 0; + +__free_cpumask: + free_cpumask_var(cpumask); + return ret; } /** @@ -1080,8 +1090,7 @@ static int iucv_message_receive_iprmdata(struct iucv_path *path, size = (size < 8) ? size : 8; for (array = buffer; size > 0; array++) { copy = min_t(size_t, size, array->length); - memcpy((u8 *)(addr_t) array->address, - rmmsg, copy); + memcpy(phys_to_virt(array->address), rmmsg, copy); rmmsg += copy; size -= copy; } diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c index 5457ca1909..a3b281f7a9 100644 --- a/net/kcm/kcmsock.c +++ b/net/kcm/kcmsock.c @@ -911,6 +911,7 @@ static int kcm_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) !(msg->msg_flags & MSG_MORE) : !!(msg->msg_flags & MSG_EOR); int err = -EPIPE; + mutex_lock(&kcm->tx_mutex); lock_sock(sk); /* Per tcp_sendmsg this should be in poll */ @@ -1059,6 +1060,7 @@ static int kcm_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) KCM_STATS_ADD(kcm->stats.tx_bytes, copied); release_sock(sk); + mutex_unlock(&kcm->tx_mutex); return copied; out_error: @@ -1084,6 +1086,7 @@ static int kcm_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) sk->sk_write_space(sk); release_sock(sk); + mutex_unlock(&kcm->tx_mutex); return err; } @@ -1326,6 +1329,7 @@ static void init_kcm_sock(struct kcm_sock *kcm, struct kcm_mux *mux) spin_unlock_bh(&mux->lock); INIT_WORK(&kcm->tx_work, kcm_tx_work); + mutex_init(&kcm->tx_mutex); spin_lock_bh(&mux->rx_lock); kcm_rcv_ready(kcm); diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index a2b13e213e..acd5b67858 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -88,6 +88,11 @@ /* Default trace flags */ #define L2TP_DEFAULT_DEBUG_FLAGS 0 +#define L2TP_DEPTH_NESTING 2 +#if L2TP_DEPTH_NESTING == SINGLE_DEPTH_NESTING +#error "L2TP requires its own lockdep subclass" +#endif + /* Private data stored for received packets in the skb. */ struct l2tp_skb_cb { @@ -1041,7 +1046,13 @@ static int l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb, uns IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED | IPSKB_REROUTED); nf_reset_ct(skb); - bh_lock_sock_nested(sk); + /* L2TP uses its own lockdep subclass to avoid lockdep splats caused by + * nested socket calls on the same lockdep socket class. This can + * happen when data from a user socket is routed over l2tp, which uses + * another userspace socket. + */ + spin_lock_nested(&sk->sk_lock.slock, L2TP_DEPTH_NESTING); + if (sock_owned_by_user(sk)) { kfree_skb(skb); ret = NET_XMIT_DROP; @@ -1093,7 +1104,7 @@ static int l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb, uns ret = l2tp_xmit_queue(tunnel, skb, &inet->cork.fl); out_unlock: - bh_unlock_sock(sk); + spin_unlock(&sk->sk_lock.slock); return ret; } diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c index 96eb91be92..f34ca225c2 100644 --- a/net/l2tp/l2tp_netlink.c +++ b/net/l2tp/l2tp_netlink.c @@ -115,7 +115,7 @@ static int l2tp_tunnel_notify(struct genl_family *family, NLM_F_ACK, tunnel, cmd); if (ret >= 0) { - ret = genlmsg_multicast_allns(family, msg, 0, 0, GFP_ATOMIC); + ret = genlmsg_multicast_allns(family, msg, 0, 0); /* We don't care if no one is listening */ if (ret == -ESRCH) ret = 0; @@ -143,7 +143,7 @@ static int l2tp_session_notify(struct genl_family *family, NLM_F_ACK, session, cmd); if (ret >= 0) { - ret = genlmsg_multicast_allns(family, msg, 0, 0, GFP_ATOMIC); + ret = genlmsg_multicast_allns(family, msg, 0, 0); /* We don't care if no one is listening */ if (ret == -ESRCH) ret = 0; diff --git a/net/l3mdev/l3mdev.c b/net/l3mdev/l3mdev.c index 8b14a24f10..ca10916340 100644 --- a/net/l3mdev/l3mdev.c +++ b/net/l3mdev/l3mdev.c @@ -250,25 +250,19 @@ int l3mdev_fib_rule_match(struct net *net, struct flowi *fl, struct net_device *dev; int rc = 0; - rcu_read_lock(); + /* update flow ensures flowi_l3mdev is set when relevant */ + if (!fl->flowi_l3mdev) + return 0; - dev = dev_get_by_index_rcu(net, fl->flowi_oif); - if (dev && netif_is_l3_master(dev) && - dev->l3mdev_ops->l3mdev_fib_table) { - arg->table = dev->l3mdev_ops->l3mdev_fib_table(dev); - rc = 1; - goto out; - } + rcu_read_lock(); - dev = dev_get_by_index_rcu(net, fl->flowi_iif); + dev = dev_get_by_index_rcu(net, fl->flowi_l3mdev); if (dev && netif_is_l3_master(dev) && dev->l3mdev_ops->l3mdev_fib_table) { arg->table = dev->l3mdev_ops->l3mdev_fib_table(dev); rc = 1; - goto out; } -out: rcu_read_unlock(); return rc; @@ -277,31 +271,28 @@ int l3mdev_fib_rule_match(struct net *net, struct flowi *fl, void l3mdev_update_flow(struct net *net, struct flowi *fl) { struct net_device *dev; - int ifindex; rcu_read_lock(); if (fl->flowi_oif) { dev = dev_get_by_index_rcu(net, fl->flowi_oif); if (dev) { - ifindex = l3mdev_master_ifindex_rcu(dev); - if (ifindex) { - fl->flowi_oif = ifindex; - fl->flowi_flags |= FLOWI_FLAG_SKIP_NH_OIF; - goto out; - } + if (!fl->flowi_l3mdev) + fl->flowi_l3mdev = l3mdev_master_ifindex_rcu(dev); + + /* oif set to L3mdev directs lookup to its table; + * reset to avoid oif match in fib_lookup + */ + if (netif_is_l3_master(dev)) + fl->flowi_oif = 0; + goto out; } } - if (fl->flowi_iif) { + if (fl->flowi_iif > LOOPBACK_IFINDEX && !fl->flowi_l3mdev) { dev = dev_get_by_index_rcu(net, fl->flowi_iif); - if (dev) { - ifindex = l3mdev_master_ifindex_rcu(dev); - if (ifindex) { - fl->flowi_iif = ifindex; - fl->flowi_flags |= FLOWI_FLAG_SKIP_NH_OIF; - } - } + if (dev) + fl->flowi_l3mdev = l3mdev_master_ifindex_rcu(dev); } out: diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig index 51ec8256b7..8278221a36 100644 --- a/net/mac80211/Kconfig +++ b/net/mac80211/Kconfig @@ -86,7 +86,7 @@ config MAC80211_DEBUGFS config MAC80211_MESSAGE_TRACING bool "Trace all mac80211 debug messages" - depends on MAC80211 + depends on MAC80211 && TRACING help Select this option to have mac80211 register the mac80211_msg trace subsystem with tracepoints to diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index a4d3fa14f7..1deb3d874a 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -491,7 +491,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) { struct tid_ampdu_tx *tid_tx; struct ieee80211_local *local = sta->local; - struct ieee80211_sub_if_data *sdata; + struct ieee80211_sub_if_data *sdata = sta->sdata; struct ieee80211_ampdu_params params = { .sta = &sta->sta, .action = IEEE80211_AMPDU_TX_START, @@ -521,7 +521,6 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) */ synchronize_net(); - sdata = sta->sdata; params.ssn = sta->tid_seq[tid] >> 4; ret = drv_ampdu_action(local, sdata, ¶ms); tid_tx->ssn = params.ssn; @@ -535,9 +534,6 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) */ set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state); } else if (ret) { - if (!sdata) - return; - ht_dbg(sdata, "BA request denied - HW unavailable for %pM tid %d\n", sta->sta.addr, tid); diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index f277ce839d..2b77cb2907 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -511,6 +511,9 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, sta->cipher_scheme = cs; err = ieee80211_key_link(key, sdata, sta); + /* KRACK protection, shouldn't happen but just silently accept key */ + if (err == -EALREADY) + err = 0; out_unlock: mutex_unlock(&local->sta_mtx); @@ -2339,6 +2342,17 @@ static int ieee80211_change_bss(struct wiphy *wiphy, if (!sband) return -EINVAL; + if (params->basic_rates) { + if (!ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, + wiphy->bands[sband->band], + params->basic_rates, + params->basic_rates_len, + &sdata->vif.bss_conf.basic_rates)) + return -EINVAL; + changed |= BSS_CHANGED_BASIC_RATES; + ieee80211_check_rate_mask(sdata); + } + if (params->use_cts_prot >= 0) { sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; changed |= BSS_CHANGED_ERP_CTS_PROT; @@ -2362,16 +2376,6 @@ static int ieee80211_change_bss(struct wiphy *wiphy, changed |= BSS_CHANGED_ERP_SLOT; } - if (params->basic_rates) { - ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, - wiphy->bands[sband->band], - params->basic_rates, - params->basic_rates_len, - &sdata->vif.bss_conf.basic_rates); - changed |= BSS_CHANGED_BASIC_RATES; - ieee80211_check_rate_mask(sdata); - } - if (params->ap_isolate >= 0) { if (params->ap_isolate) sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; @@ -2753,7 +2757,8 @@ static int ieee80211_get_tx_power(struct wiphy *wiphy, struct ieee80211_local *local = wiphy_priv(wiphy); struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); - if (local->ops->get_txpower) + if (local->ops->get_txpower && + (sdata->flags & IEEE80211_SDATA_IN_DRIVER)) return drv_get_txpower(local, sdata, dbm); if (!local->use_chanctx) diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c index 120bd9cdf7..48322e45e7 100644 --- a/net/mac80211/driver-ops.c +++ b/net/mac80211/driver-ops.c @@ -331,9 +331,6 @@ int drv_ampdu_action(struct ieee80211_local *local, might_sleep(); - if (!sdata) - return -EIO; - sdata = get_bss_sdata(sdata); if (!check_sdata_in_driver(sdata)) return -EIO; diff --git a/net/mac80211/he.c b/net/mac80211/he.c index c05af7018f..c730ce5132 100644 --- a/net/mac80211/he.c +++ b/net/mac80211/he.c @@ -223,15 +223,21 @@ ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif, if (!he_spr_ie_elem) return; + + he_obss_pd->sr_ctrl = he_spr_ie_elem->he_sr_control; data = he_spr_ie_elem->optional; if (he_spr_ie_elem->he_sr_control & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT) - data++; + he_obss_pd->non_srg_max_offset = *data++; + if (he_spr_ie_elem->he_sr_control & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) { - he_obss_pd->max_offset = *data++; he_obss_pd->min_offset = *data++; + he_obss_pd->max_offset = *data++; + memcpy(he_obss_pd->bss_color_bitmap, data, 8); + data += 8; + memcpy(he_obss_pd->partial_bssid_bitmap, data, 8); he_obss_pd->enable = true; } } diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 03f8c8bdab..3b5350cfc0 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -765,6 +765,8 @@ struct ieee80211_if_mesh { * back to wireless media and to the local net stack. * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver + * @IEEE80211_SDATA_DISCONNECT_HW_RESTART: Disconnect after hardware restart + * recovery */ enum ieee80211_sub_if_data_flags { IEEE80211_SDATA_ALLMULTI = BIT(0), @@ -772,6 +774,7 @@ enum ieee80211_sub_if_data_flags { IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), IEEE80211_SDATA_IN_DRIVER = BIT(5), + IEEE80211_SDATA_DISCONNECT_HW_RESTART = BIT(6), }; /** @@ -1803,6 +1806,8 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, void ieee80211_configure_filter(struct ieee80211_local *local); u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); +void ieee80211_handle_queued_frames(struct ieee80211_local *local); + u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local); int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, u64 *cookie, gfp_t gfp); diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 041859b5b7..e362a08af2 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -369,6 +369,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do { struct ieee80211_local *local = sdata->local; unsigned long flags; + struct sk_buff_head freeq; struct sk_buff *skb, *tmp; u32 hw_reconf_flags = 0; int i, flushed; @@ -555,18 +556,32 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do skb_queue_purge(&sdata->status_queue); } + /* + * Since ieee80211_free_txskb() may issue __dev_queue_xmit() + * which should be called with interrupts enabled, reclamation + * is done in two phases: + */ + __skb_queue_head_init(&freeq); + + /* unlink from local queues... */ spin_lock_irqsave(&local->queue_stop_reason_lock, flags); for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { skb_queue_walk_safe(&local->pending[i], skb, tmp) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); if (info->control.vif == &sdata->vif) { __skb_unlink(skb, &local->pending[i]); - ieee80211_free_txskb(&local->hw, skb); + __skb_queue_tail(&freeq, skb); } } } spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); + /* ... and perform actual reclamation with interrupts enabled. */ + skb_queue_walk_safe(&freeq, skb, tmp) { + __skb_unlink(skb, &freeq); + ieee80211_free_txskb(&local->hw, skb); + } + if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) ieee80211_txq_remove_vlan(local, sdata); diff --git a/net/mac80211/key.c b/net/mac80211/key.c index f695fc8008..c755e3b332 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -843,7 +843,7 @@ int ieee80211_key_link(struct ieee80211_key *key, */ if (ieee80211_key_identical(sdata, old_key, key)) { ieee80211_key_free_unused(key); - ret = 0; + ret = -EALREADY; goto out; } @@ -918,6 +918,26 @@ void ieee80211_reenable_keys(struct ieee80211_sub_if_data *sdata) mutex_unlock(&sdata->local->key_mtx); } +static void +ieee80211_key_iter(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_key *key, + void (*iter)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, + void *data), + void *iter_data) +{ + /* skip keys of station in removal process */ + if (key->sta && key->sta->removed) + return; + if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) + return; + iter(hw, vif, key->sta ? &key->sta->sta : NULL, + &key->conf, iter_data); +} + void ieee80211_iter_keys(struct ieee80211_hw *hw, struct ieee80211_vif *vif, void (*iter)(struct ieee80211_hw *hw, @@ -937,16 +957,13 @@ void ieee80211_iter_keys(struct ieee80211_hw *hw, if (vif) { sdata = vif_to_sdata(vif); list_for_each_entry_safe(key, tmp, &sdata->key_list, list) - iter(hw, &sdata->vif, - key->sta ? &key->sta->sta : NULL, - &key->conf, iter_data); + ieee80211_key_iter(hw, vif, key, iter, iter_data); } else { list_for_each_entry(sdata, &local->interfaces, list) list_for_each_entry_safe(key, tmp, &sdata->key_list, list) - iter(hw, &sdata->vif, - key->sta ? &key->sta->sta : NULL, - &key->conf, iter_data); + ieee80211_key_iter(hw, &sdata->vif, key, + iter, iter_data); } mutex_unlock(&local->key_mtx); } @@ -964,17 +981,8 @@ _ieee80211_iter_keys_rcu(struct ieee80211_hw *hw, { struct ieee80211_key *key; - list_for_each_entry_rcu(key, &sdata->key_list, list) { - /* skip keys of station in removal process */ - if (key->sta && key->sta->removed) - continue; - if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) - continue; - - iter(hw, &sdata->vif, - key->sta ? &key->sta->sta : NULL, - &key->conf, iter_data); - } + list_for_each_entry_rcu(key, &sdata->key_list, list) + ieee80211_key_iter(hw, &sdata->vif, key, iter, iter_data); } void ieee80211_iter_keys_rcu(struct ieee80211_hw *hw, diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 9617ff8e27..1c2cdaeb35 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -220,9 +220,9 @@ u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata) BSS_CHANGED_ERP_SLOT; } -static void ieee80211_tasklet_handler(struct tasklet_struct *t) +/* context: requires softirqs disabled */ +void ieee80211_handle_queued_frames(struct ieee80211_local *local) { - struct ieee80211_local *local = from_tasklet(local, t, tasklet); struct sk_buff *skb; while ((skb = skb_dequeue(&local->skb_queue)) || @@ -247,6 +247,13 @@ static void ieee80211_tasklet_handler(struct tasklet_struct *t) } } +static void ieee80211_tasklet_handler(struct tasklet_struct *t) +{ + struct ieee80211_local *local = from_tasklet(local, t, tasklet); + + ieee80211_handle_queued_frames(local); +} + static void ieee80211_restart_work(struct work_struct *work) { struct ieee80211_local *local = diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 6847fdf934..6202157f46 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -1628,6 +1628,7 @@ void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata) ifmsh->last_preq = jiffies; ifmsh->next_perr = jiffies; ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; + ifmsh->nonpeer_pm = NL80211_MESH_POWER_ACTIVE; /* Allocate all mesh structures when creating the first mesh interface. */ if (!mesh_allocated) ieee80211s_init(); diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index 69d5e1ec6e..e7b9dcf30a 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -723,10 +723,23 @@ void mesh_path_discard_frame(struct ieee80211_sub_if_data *sdata, */ void mesh_path_flush_pending(struct mesh_path *mpath) { + struct ieee80211_sub_if_data *sdata = mpath->sdata; + struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; + struct mesh_preq_queue *preq, *tmp; struct sk_buff *skb; while ((skb = skb_dequeue(&mpath->frame_queue)) != NULL) mesh_path_discard_frame(mpath->sdata, skb); + + spin_lock_bh(&ifmsh->mesh_preq_queue_lock); + list_for_each_entry_safe(preq, tmp, &ifmsh->preq_queue.list, list) { + if (ether_addr_equal(mpath->dst, preq->dst)) { + list_del(&preq->list); + kfree(preq); + --ifmsh->preq_queue_len; + } + } + spin_unlock_bh(&ifmsh->mesh_preq_queue_lock); } /** diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 5da0c2a2e2..b71d3a0303 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -4832,6 +4832,7 @@ void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata) sdata_unlock(sdata); } +#endif void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata) { @@ -4853,9 +4854,20 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata) sdata_unlock(sdata); return; } + + if (sdata->flags & IEEE80211_SDATA_DISCONNECT_HW_RESTART) { + sdata->flags &= ~IEEE80211_SDATA_DISCONNECT_HW_RESTART; + mlme_dbg(sdata, "driver requested disconnect after hardware restart\n"); + ieee80211_sta_connection_lost(sdata, + ifmgd->associated->bssid, + WLAN_REASON_UNSPECIFIED, + true); + sdata_unlock(sdata); + return; + } + sdata_unlock(sdata); } -#endif /* interface setup */ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata) diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index e692a2487e..3bf3dd4baf 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -729,15 +729,21 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata, local->hw_scan_ies_bufsize *= n_bands; } - local->hw_scan_req = kmalloc( - sizeof(*local->hw_scan_req) + - req->n_channels * sizeof(req->channels[0]) + - local->hw_scan_ies_bufsize, GFP_KERNEL); + local->hw_scan_req = kmalloc(struct_size(local->hw_scan_req, + req.channels, + req->n_channels) + + local->hw_scan_ies_bufsize, + GFP_KERNEL); if (!local->hw_scan_req) return -ENOMEM; local->hw_scan_req->req.ssids = req->ssids; local->hw_scan_req->req.n_ssids = req->n_ssids; + /* None of the channels are actually set + * up but let UBSAN know the boundaries. + */ + local->hw_scan_req->req.n_channels = req->n_channels; + ies = (u8 *)local->hw_scan_req + sizeof(*local->hw_scan_req) + req->n_channels * sizeof(req->channels[0]); diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index f4deee1926..d1460b870e 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -1060,6 +1060,20 @@ static void __sta_info_destroy_part2(struct sta_info *sta) * after _part1 and before _part2! */ + /* + * There's a potential race in _part1 where we set WLAN_STA_BLOCK_BA + * but someone might have just gotten past a check, and not yet into + * queuing the work/creating the data/etc. + * + * Do another round of destruction so that the worker is certainly + * canceled before we later free the station. + * + * Since this is after synchronize_rcu()/synchronize_net() we're now + * certain that nobody can actually hold a reference to the STA and + * be calling e.g. ieee80211_start_tx_ba_session(). + */ + ieee80211_sta_tear_down_BA_sessions(sta, AGG_STOP_DESTROY_STA); + might_sleep(); lockdep_assert_held(&local->sta_mtx); @@ -1339,7 +1353,7 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta) skb_queue_head_init(&pending); /* sync with ieee80211_tx_h_unicast_ps_buf */ - spin_lock(&sta->ps_lock); + spin_lock_bh(&sta->ps_lock); /* Send all buffered frames to the station */ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { int count = skb_queue_len(&pending), tmp; @@ -1368,7 +1382,7 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta) */ clear_sta_flag(sta, WLAN_STA_PSPOLL); clear_sta_flag(sta, WLAN_STA_UAPSD); - spin_unlock(&sta->ps_lock); + spin_unlock_bh(&sta->ps_lock); atomic_dec(&ps->num_sta_ps); diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 354badd327..85d3d2034d 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -2146,6 +2146,10 @@ u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata, void ieee80211_stop_device(struct ieee80211_local *local) { + local_bh_disable(); + ieee80211_handle_queued_frames(local); + local_bh_enable(); + ieee80211_led_radio(local, false); ieee80211_mod_tpt_led_trig(local, 0, IEEE80211_TPT_LEDTRIG_FL_RADIO); @@ -2309,6 +2313,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) struct cfg80211_sched_scan_request *sched_scan_req; bool sched_scan_stopped = false; bool suspended = local->suspended; + bool in_reconfig = false; /* nothing to do if HW shouldn't run */ if (!local->open_count) @@ -2652,7 +2657,15 @@ int ieee80211_reconfig(struct ieee80211_local *local) mutex_unlock(&local->sta_mtx); } + /* + * If this is for hw restart things are still running. + * We may want to change that later, however. + */ + if (local->open_count && (!suspended || reconfig_due_to_wowlan)) + drv_reconfig_complete(local, IEEE80211_RECONFIG_TYPE_RESTART); + if (local->in_reconfig) { + in_reconfig = local->in_reconfig; local->in_reconfig = false; barrier(); @@ -2670,12 +2683,14 @@ int ieee80211_reconfig(struct ieee80211_local *local) IEEE80211_QUEUE_STOP_REASON_SUSPEND, false); - /* - * If this is for hw restart things are still running. - * We may want to change that later, however. - */ - if (local->open_count && (!suspended || reconfig_due_to_wowlan)) - drv_reconfig_complete(local, IEEE80211_RECONFIG_TYPE_RESTART); + if (in_reconfig) { + list_for_each_entry(sdata, &local->interfaces, list) { + if (!ieee80211_sdata_running(sdata)) + continue; + if (sdata->vif.type == NL80211_IFTYPE_STATION) + ieee80211_sta_restart(sdata); + } + } if (!suspended) return 0; @@ -2706,7 +2721,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) return 0; } -void ieee80211_resume_disconnect(struct ieee80211_vif *vif) +static void ieee80211_reconfig_disconnect(struct ieee80211_vif *vif, u8 flag) { struct ieee80211_sub_if_data *sdata; struct ieee80211_local *local; @@ -2718,19 +2733,35 @@ void ieee80211_resume_disconnect(struct ieee80211_vif *vif) sdata = vif_to_sdata(vif); local = sdata->local; - if (WARN_ON(!local->resuming)) + if (WARN_ON(flag & IEEE80211_SDATA_DISCONNECT_RESUME && + !local->resuming)) + return; + + if (WARN_ON(flag & IEEE80211_SDATA_DISCONNECT_HW_RESTART && + !local->in_reconfig)) return; if (WARN_ON(vif->type != NL80211_IFTYPE_STATION)) return; - sdata->flags |= IEEE80211_SDATA_DISCONNECT_RESUME; + sdata->flags |= flag; mutex_lock(&local->key_mtx); list_for_each_entry(key, &sdata->key_list, list) key->flags |= KEY_FLAG_TAINTED; mutex_unlock(&local->key_mtx); } + +void ieee80211_hw_restart_disconnect(struct ieee80211_vif *vif) +{ + ieee80211_reconfig_disconnect(vif, IEEE80211_SDATA_DISCONNECT_HW_RESTART); +} +EXPORT_SYMBOL_GPL(ieee80211_hw_restart_disconnect); + +void ieee80211_resume_disconnect(struct ieee80211_vif *vif) +{ + ieee80211_reconfig_disconnect(vif, IEEE80211_SDATA_DISCONNECT_RESUME); +} EXPORT_SYMBOL_GPL(ieee80211_resume_disconnect); void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata) diff --git a/net/mac802154/tx.c b/net/mac802154/tx.c index c829e4a753..7cea95d0b7 100644 --- a/net/mac802154/tx.c +++ b/net/mac802154/tx.c @@ -34,8 +34,8 @@ void ieee802154_xmit_worker(struct work_struct *work) if (res) goto err_tx; - dev->stats.tx_packets++; - dev->stats.tx_bytes += skb->len; + DEV_STATS_INC(dev, tx_packets); + DEV_STATS_ADD(dev, tx_bytes, skb->len); ieee802154_xmit_complete(&local->hw, skb, false); @@ -86,8 +86,8 @@ ieee802154_tx(struct ieee802154_local *local, struct sk_buff *skb) goto err_tx; } - dev->stats.tx_packets++; - dev->stats.tx_bytes += len; + DEV_STATS_INC(dev, tx_packets); + DEV_STATS_ADD(dev, tx_bytes, len); } else { local->tx_skb = skb; queue_work(local->workqueue, &local->tx_work); diff --git a/net/mctp/af_mctp.c b/net/mctp/af_mctp.c index 77137a8627..0ca031866c 100644 --- a/net/mctp/af_mctp.c +++ b/net/mctp/af_mctp.c @@ -384,10 +384,14 @@ static __init int mctp_init(void) if (rc) goto err_unreg_routes; - mctp_device_init(); + rc = mctp_device_init(); + if (rc) + goto err_unreg_neigh; return 0; +err_unreg_neigh: + mctp_neigh_exit(); err_unreg_routes: mctp_routes_exit(); err_unreg_proto: diff --git a/net/mctp/device.c b/net/mctp/device.c index b9f38e765f..c00a2550e2 100644 --- a/net/mctp/device.c +++ b/net/mctp/device.c @@ -399,25 +399,31 @@ static struct notifier_block mctp_dev_nb = { .priority = ADDRCONF_NOTIFY_PRIORITY, }; -void __init mctp_device_init(void) +static const struct rtnl_msg_handler mctp_device_rtnl_msg_handlers[] = { + {THIS_MODULE, PF_MCTP, RTM_NEWADDR, mctp_rtm_newaddr, NULL, 0}, + {THIS_MODULE, PF_MCTP, RTM_DELADDR, mctp_rtm_deladdr, NULL, 0}, + {THIS_MODULE, PF_MCTP, RTM_GETADDR, NULL, mctp_dump_addrinfo, 0}, +}; + +int __init mctp_device_init(void) { - register_netdevice_notifier(&mctp_dev_nb); + int err; - rtnl_register_module(THIS_MODULE, PF_MCTP, RTM_GETADDR, - NULL, mctp_dump_addrinfo, 0); - rtnl_register_module(THIS_MODULE, PF_MCTP, RTM_NEWADDR, - mctp_rtm_newaddr, NULL, 0); - rtnl_register_module(THIS_MODULE, PF_MCTP, RTM_DELADDR, - mctp_rtm_deladdr, NULL, 0); + register_netdevice_notifier(&mctp_dev_nb); rtnl_af_register(&mctp_af_ops); + + err = rtnl_register_many(mctp_device_rtnl_msg_handlers); + if (err) { + rtnl_af_unregister(&mctp_af_ops); + unregister_netdevice_notifier(&mctp_dev_nb); + } + + return err; } void __exit mctp_device_exit(void) { + rtnl_unregister_many(mctp_device_rtnl_msg_handlers); rtnl_af_unregister(&mctp_af_ops); - rtnl_unregister(PF_MCTP, RTM_DELADDR); - rtnl_unregister(PF_MCTP, RTM_NEWADDR); - rtnl_unregister(PF_MCTP, RTM_GETADDR); - unregister_netdevice_notifier(&mctp_dev_nb); } diff --git a/net/mctp/neigh.c b/net/mctp/neigh.c index 90ed2f02d1..bc75a26371 100644 --- a/net/mctp/neigh.c +++ b/net/mctp/neigh.c @@ -321,22 +321,29 @@ static struct pernet_operations mctp_net_ops = { .exit = mctp_neigh_net_exit, }; +static const struct rtnl_msg_handler mctp_neigh_rtnl_msg_handlers[] = { + {THIS_MODULE, PF_MCTP, RTM_NEWNEIGH, mctp_rtm_newneigh, NULL, 0}, + {THIS_MODULE, PF_MCTP, RTM_DELNEIGH, mctp_rtm_delneigh, NULL, 0}, + {THIS_MODULE, PF_MCTP, RTM_GETNEIGH, NULL, mctp_rtm_getneigh, 0}, +}; + int __init mctp_neigh_init(void) { - rtnl_register_module(THIS_MODULE, PF_MCTP, RTM_NEWNEIGH, - mctp_rtm_newneigh, NULL, 0); - rtnl_register_module(THIS_MODULE, PF_MCTP, RTM_DELNEIGH, - mctp_rtm_delneigh, NULL, 0); - rtnl_register_module(THIS_MODULE, PF_MCTP, RTM_GETNEIGH, - NULL, mctp_rtm_getneigh, 0); - - return register_pernet_subsys(&mctp_net_ops); + int err; + + err = register_pernet_subsys(&mctp_net_ops); + if (err) + return err; + + err = rtnl_register_many(mctp_neigh_rtnl_msg_handlers); + if (err) + unregister_pernet_subsys(&mctp_net_ops); + + return err; } -void __exit mctp_neigh_exit(void) +void mctp_neigh_exit(void) { + rtnl_unregister_many(mctp_neigh_rtnl_msg_handlers); unregister_pernet_subsys(&mctp_net_ops); - rtnl_unregister(PF_MCTP, RTM_GETNEIGH); - rtnl_unregister(PF_MCTP, RTM_DELNEIGH); - rtnl_unregister(PF_MCTP, RTM_NEWNEIGH); } diff --git a/net/mctp/route.c b/net/mctp/route.c index 5ef6b3b0a3..48d32bfd38 100644 --- a/net/mctp/route.c +++ b/net/mctp/route.c @@ -1134,25 +1134,38 @@ static struct pernet_operations mctp_net_ops = { .exit = mctp_routes_net_exit, }; +static const struct rtnl_msg_handler mctp_route_rtnl_msg_handlers[] = { + {THIS_MODULE, PF_MCTP, RTM_NEWROUTE, mctp_newroute, NULL, 0}, + {THIS_MODULE, PF_MCTP, RTM_DELROUTE, mctp_delroute, NULL, 0}, + {THIS_MODULE, PF_MCTP, RTM_GETROUTE, NULL, mctp_dump_rtinfo, 0}, +}; + int __init mctp_routes_init(void) { + int err; + dev_add_pack(&mctp_packet_type); - rtnl_register_module(THIS_MODULE, PF_MCTP, RTM_GETROUTE, - NULL, mctp_dump_rtinfo, 0); - rtnl_register_module(THIS_MODULE, PF_MCTP, RTM_NEWROUTE, - mctp_newroute, NULL, 0); - rtnl_register_module(THIS_MODULE, PF_MCTP, RTM_DELROUTE, - mctp_delroute, NULL, 0); + err = register_pernet_subsys(&mctp_net_ops); + if (err) + goto err_pernet; + + err = rtnl_register_many(mctp_route_rtnl_msg_handlers); + if (err) + goto err_rtnl; - return register_pernet_subsys(&mctp_net_ops); + return 0; + +err_rtnl: + unregister_pernet_subsys(&mctp_net_ops); +err_pernet: + dev_remove_pack(&mctp_packet_type); + return err; } void mctp_routes_exit(void) { + rtnl_unregister_many(mctp_route_rtnl_msg_handlers); unregister_pernet_subsys(&mctp_net_ops); - rtnl_unregister(PF_MCTP, RTM_DELROUTE); - rtnl_unregister(PF_MCTP, RTM_NEWROUTE); - rtnl_unregister(PF_MCTP, RTM_GETROUTE); dev_remove_pack(&mctp_packet_type); } diff --git a/net/mptcp/diag.c b/net/mptcp/diag.c index d7ca71c597..23bd18084c 100644 --- a/net/mptcp/diag.c +++ b/net/mptcp/diag.c @@ -95,7 +95,7 @@ static size_t subflow_get_info_size(const struct sock *sk) nla_total_size(4) + /* MPTCP_SUBFLOW_ATTR_RELWRITE_SEQ */ nla_total_size_64bit(8) + /* MPTCP_SUBFLOW_ATTR_MAP_SEQ */ nla_total_size(4) + /* MPTCP_SUBFLOW_ATTR_MAP_SFSEQ */ - nla_total_size(2) + /* MPTCP_SUBFLOW_ATTR_SSN_OFFSET */ + nla_total_size(4) + /* MPTCP_SUBFLOW_ATTR_SSN_OFFSET */ nla_total_size(2) + /* MPTCP_SUBFLOW_ATTR_MAP_DATALEN */ nla_total_size(4) + /* MPTCP_SUBFLOW_ATTR_FLAGS */ nla_total_size(1) + /* MPTCP_SUBFLOW_ATTR_ID_REM */ diff --git a/net/mptcp/mib.c b/net/mptcp/mib.c index 8d1c67b935..3e773259fa 100644 --- a/net/mptcp/mib.c +++ b/net/mptcp/mib.c @@ -15,15 +15,20 @@ static const struct snmp_mib mptcp_snmp_list[] = { SNMP_MIB_ITEM("MPCapableACKRX", MPTCP_MIB_MPCAPABLEPASSIVEACK), SNMP_MIB_ITEM("MPCapableFallbackACK", MPTCP_MIB_MPCAPABLEPASSIVEFALLBACK), SNMP_MIB_ITEM("MPCapableFallbackSYNACK", MPTCP_MIB_MPCAPABLEACTIVEFALLBACK), + SNMP_MIB_ITEM("MPCapableEndpAttempt", MPTCP_MIB_MPCAPABLEENDPATTEMPT), SNMP_MIB_ITEM("MPFallbackTokenInit", MPTCP_MIB_TOKENFALLBACKINIT), SNMP_MIB_ITEM("MPTCPRetrans", MPTCP_MIB_RETRANSSEGS), SNMP_MIB_ITEM("MPJoinNoTokenFound", MPTCP_MIB_JOINNOTOKEN), SNMP_MIB_ITEM("MPJoinSynRx", MPTCP_MIB_JOINSYNRX), + SNMP_MIB_ITEM("MPJoinSynBackupRx", MPTCP_MIB_JOINSYNBACKUPRX), SNMP_MIB_ITEM("MPJoinSynAckRx", MPTCP_MIB_JOINSYNACKRX), + SNMP_MIB_ITEM("MPJoinSynAckBackupRx", MPTCP_MIB_JOINSYNACKBACKUPRX), SNMP_MIB_ITEM("MPJoinSynAckHMacFailure", MPTCP_MIB_JOINSYNACKMAC), SNMP_MIB_ITEM("MPJoinAckRx", MPTCP_MIB_JOINACKRX), SNMP_MIB_ITEM("MPJoinAckHMacFailure", MPTCP_MIB_JOINACKMAC), SNMP_MIB_ITEM("DSSNotMatching", MPTCP_MIB_DSSNOMATCH), + SNMP_MIB_ITEM("DSSCorruptionFallback", MPTCP_MIB_DSSCORRUPTIONFALLBACK), + SNMP_MIB_ITEM("DSSCorruptionReset", MPTCP_MIB_DSSCORRUPTIONRESET), SNMP_MIB_ITEM("InfiniteMapRx", MPTCP_MIB_INFINITEMAPRX), SNMP_MIB_ITEM("DSSNoMatchTCP", MPTCP_MIB_DSSTCPMISMATCH), SNMP_MIB_ITEM("DataCsumErr", MPTCP_MIB_DATACSUMERR), diff --git a/net/mptcp/mib.h b/net/mptcp/mib.h index 2966fcb654..0690db18fc 100644 --- a/net/mptcp/mib.h +++ b/net/mptcp/mib.h @@ -8,15 +8,20 @@ enum linux_mptcp_mib_field { MPTCP_MIB_MPCAPABLEPASSIVEACK, /* Received third ACK with MP_CAPABLE */ MPTCP_MIB_MPCAPABLEPASSIVEFALLBACK,/* Server-side fallback during 3-way handshake */ MPTCP_MIB_MPCAPABLEACTIVEFALLBACK, /* Client-side fallback during 3-way handshake */ + MPTCP_MIB_MPCAPABLEENDPATTEMPT, /* Prohibited MPC to port-based endp */ MPTCP_MIB_TOKENFALLBACKINIT, /* Could not init/allocate token */ MPTCP_MIB_RETRANSSEGS, /* Segments retransmitted at the MPTCP-level */ MPTCP_MIB_JOINNOTOKEN, /* Received MP_JOIN but the token was not found */ MPTCP_MIB_JOINSYNRX, /* Received a SYN + MP_JOIN */ + MPTCP_MIB_JOINSYNBACKUPRX, /* Received a SYN + MP_JOIN + backup flag */ MPTCP_MIB_JOINSYNACKRX, /* Received a SYN/ACK + MP_JOIN */ + MPTCP_MIB_JOINSYNACKBACKUPRX, /* Received a SYN/ACK + MP_JOIN + backup flag */ MPTCP_MIB_JOINSYNACKMAC, /* HMAC was wrong on SYN/ACK + MP_JOIN */ MPTCP_MIB_JOINACKRX, /* Received an ACK + MP_JOIN */ MPTCP_MIB_JOINACKMAC, /* HMAC was wrong on ACK + MP_JOIN */ MPTCP_MIB_DSSNOMATCH, /* Received a new mapping that did not match the previous one */ + MPTCP_MIB_DSSCORRUPTIONFALLBACK,/* DSS corruption detected, fallback */ + MPTCP_MIB_DSSCORRUPTIONRESET, /* DSS corruption detected, MPJ subflow reset */ MPTCP_MIB_INFINITEMAPRX, /* Received an infinite mapping */ MPTCP_MIB_DSSTCPMISMATCH, /* DSS-mapping did not map with TCP's sequence numbers */ MPTCP_MIB_DATACSUMERR, /* The data checksum fail */ diff --git a/net/mptcp/options.c b/net/mptcp/options.c index 3b4ce8a06f..e654701685 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -112,7 +112,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, mp_opt->suboptions |= OPTION_MPTCP_CSUMREQD; ptr += 2; } - pr_debug("MP_CAPABLE version=%x, flags=%x, optlen=%d sndr=%llu, rcvr=%llu len=%d csum=%u", + pr_debug("MP_CAPABLE version=%x, flags=%x, optlen=%d sndr=%llu, rcvr=%llu len=%d csum=%u\n", version, flags, opsize, mp_opt->sndr_key, mp_opt->rcvr_key, mp_opt->data_len, mp_opt->csum); break; @@ -126,7 +126,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, ptr += 4; mp_opt->nonce = get_unaligned_be32(ptr); ptr += 4; - pr_debug("MP_JOIN bkup=%u, id=%u, token=%u, nonce=%u", + pr_debug("MP_JOIN bkup=%u, id=%u, token=%u, nonce=%u\n", mp_opt->backup, mp_opt->join_id, mp_opt->token, mp_opt->nonce); } else if (opsize == TCPOLEN_MPTCP_MPJ_SYNACK) { @@ -137,19 +137,19 @@ static void mptcp_parse_option(const struct sk_buff *skb, ptr += 8; mp_opt->nonce = get_unaligned_be32(ptr); ptr += 4; - pr_debug("MP_JOIN bkup=%u, id=%u, thmac=%llu, nonce=%u", + pr_debug("MP_JOIN bkup=%u, id=%u, thmac=%llu, nonce=%u\n", mp_opt->backup, mp_opt->join_id, mp_opt->thmac, mp_opt->nonce); } else if (opsize == TCPOLEN_MPTCP_MPJ_ACK) { mp_opt->suboptions |= OPTION_MPTCP_MPJ_ACK; ptr += 2; memcpy(mp_opt->hmac, ptr, MPTCPOPT_HMAC_LEN); - pr_debug("MP_JOIN hmac"); + pr_debug("MP_JOIN hmac\n"); } break; case MPTCPOPT_DSS: - pr_debug("DSS"); + pr_debug("DSS\n"); ptr++; /* we must clear 'mpc_map' be able to detect MP_CAPABLE @@ -164,7 +164,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, mp_opt->ack64 = (flags & MPTCP_DSS_ACK64) != 0; mp_opt->use_ack = (flags & MPTCP_DSS_HAS_ACK); - pr_debug("data_fin=%d dsn64=%d use_map=%d ack64=%d use_ack=%d", + pr_debug("data_fin=%d dsn64=%d use_map=%d ack64=%d use_ack=%d\n", mp_opt->data_fin, mp_opt->dsn64, mp_opt->use_map, mp_opt->ack64, mp_opt->use_ack); @@ -202,7 +202,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, ptr += 4; } - pr_debug("data_ack=%llu", mp_opt->data_ack); + pr_debug("data_ack=%llu\n", mp_opt->data_ack); } if (mp_opt->use_map) { @@ -226,7 +226,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, ptr += 2; } - pr_debug("data_seq=%llu subflow_seq=%u data_len=%u csum=%d:%u", + pr_debug("data_seq=%llu subflow_seq=%u data_len=%u csum=%d:%u\n", mp_opt->data_seq, mp_opt->subflow_seq, mp_opt->data_len, !!(mp_opt->suboptions & OPTION_MPTCP_CSUMREQD), mp_opt->csum); @@ -288,7 +288,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, mp_opt->ahmac = get_unaligned_be64(ptr); ptr += 8; } - pr_debug("ADD_ADDR%s: id=%d, ahmac=%llu, echo=%d, port=%d", + pr_debug("ADD_ADDR%s: id=%d, ahmac=%llu, echo=%d, port=%d\n", (mp_opt->addr.family == AF_INET6) ? "6" : "", mp_opt->addr.id, mp_opt->ahmac, mp_opt->echo, ntohs(mp_opt->addr.port)); break; @@ -304,7 +304,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, mp_opt->rm_list.nr = opsize - TCPOLEN_MPTCP_RM_ADDR_BASE; for (i = 0; i < mp_opt->rm_list.nr; i++) mp_opt->rm_list.ids[i] = *ptr++; - pr_debug("RM_ADDR: rm_list_nr=%d", mp_opt->rm_list.nr); + pr_debug("RM_ADDR: rm_list_nr=%d\n", mp_opt->rm_list.nr); break; case MPTCPOPT_MP_PRIO: @@ -313,7 +313,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, mp_opt->suboptions |= OPTION_MPTCP_PRIO; mp_opt->backup = *ptr++ & MPTCP_PRIO_BKUP; - pr_debug("MP_PRIO: prio=%d", mp_opt->backup); + pr_debug("MP_PRIO: prio=%d\n", mp_opt->backup); break; case MPTCPOPT_MP_FASTCLOSE: @@ -346,7 +346,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, ptr += 2; mp_opt->suboptions |= OPTION_MPTCP_FAIL; mp_opt->fail_seq = get_unaligned_be64(ptr); - pr_debug("MP_FAIL: data_seq=%llu", mp_opt->fail_seq); + pr_debug("MP_FAIL: data_seq=%llu\n", mp_opt->fail_seq); break; default: @@ -409,7 +409,7 @@ bool mptcp_syn_options(struct sock *sk, const struct sk_buff *skb, *size = TCPOLEN_MPTCP_MPC_SYN; return true; } else if (subflow->request_join) { - pr_debug("remote_token=%u, nonce=%u", subflow->remote_token, + pr_debug("remote_token=%u, nonce=%u\n", subflow->remote_token, subflow->local_nonce); opts->suboptions = OPTION_MPTCP_MPJ_SYN; opts->join_id = subflow->local_id; @@ -493,7 +493,7 @@ static bool mptcp_established_options_mp(struct sock *sk, struct sk_buff *skb, *size = TCPOLEN_MPTCP_MPC_ACK; } - pr_debug("subflow=%p, local_key=%llu, remote_key=%llu map_len=%d", + pr_debug("subflow=%p, local_key=%llu, remote_key=%llu map_len=%d\n", subflow, subflow->local_key, subflow->remote_key, data_len); @@ -502,7 +502,7 @@ static bool mptcp_established_options_mp(struct sock *sk, struct sk_buff *skb, opts->suboptions = OPTION_MPTCP_MPJ_ACK; memcpy(opts->hmac, subflow->hmac, MPTCPOPT_HMAC_LEN); *size = TCPOLEN_MPTCP_MPJ_ACK; - pr_debug("subflow=%p", subflow); + pr_debug("subflow=%p\n", subflow); /* we can use the full delegate action helper only from BH context * If we are in process context - sk is flushing the backlog at @@ -671,7 +671,7 @@ static bool mptcp_established_options_add_addr(struct sock *sk, struct sk_buff * *size = len; if (drop_other_suboptions) { - pr_debug("drop other suboptions"); + pr_debug("drop other suboptions\n"); opts->suboptions = 0; /* note that e.g. DSS could have written into the memory @@ -688,7 +688,7 @@ static bool mptcp_established_options_add_addr(struct sock *sk, struct sk_buff * msk->remote_key, &opts->addr); } - pr_debug("addr_id=%d, ahmac=%llu, echo=%d, port=%d", + pr_debug("addr_id=%d, ahmac=%llu, echo=%d, port=%d\n", opts->addr.id, opts->ahmac, echo, ntohs(opts->addr.port)); return true; @@ -719,7 +719,7 @@ static bool mptcp_established_options_rm_addr(struct sock *sk, opts->rm_list = rm_list; for (i = 0; i < opts->rm_list.nr; i++) - pr_debug("rm_list_ids[%d]=%d", i, opts->rm_list.ids[i]); + pr_debug("rm_list_ids[%d]=%d\n", i, opts->rm_list.ids[i]); return true; } @@ -747,7 +747,7 @@ static bool mptcp_established_options_mp_prio(struct sock *sk, opts->suboptions |= OPTION_MPTCP_PRIO; opts->backup = subflow->request_bkup; - pr_debug("prio=%d", opts->backup); + pr_debug("prio=%d\n", opts->backup); return true; } @@ -787,7 +787,7 @@ static bool mptcp_established_options_mp_fail(struct sock *sk, opts->suboptions |= OPTION_MPTCP_FAIL; opts->fail_seq = subflow->map_seq; - pr_debug("MP_FAIL fail_seq=%llu", opts->fail_seq); + pr_debug("MP_FAIL fail_seq=%llu\n", opts->fail_seq); return true; } @@ -872,16 +872,16 @@ bool mptcp_synack_options(const struct request_sock *req, unsigned int *size, opts->csum_reqd = subflow_req->csum_reqd; opts->allow_join_id0 = subflow_req->allow_join_id0; *size = TCPOLEN_MPTCP_MPC_SYNACK; - pr_debug("subflow_req=%p, local_key=%llu", + pr_debug("subflow_req=%p, local_key=%llu\n", subflow_req, subflow_req->local_key); return true; } else if (subflow_req->mp_join) { opts->suboptions = OPTION_MPTCP_MPJ_SYNACK; - opts->backup = subflow_req->backup; + opts->backup = subflow_req->request_bkup; opts->join_id = subflow_req->local_id; opts->thmac = subflow_req->thmac; opts->nonce = subflow_req->local_nonce; - pr_debug("req=%p, bkup=%u, id=%u, thmac=%llu, nonce=%u", + pr_debug("req=%p, bkup=%u, id=%u, thmac=%llu, nonce=%u\n", subflow_req, opts->backup, opts->join_id, opts->thmac, opts->nonce); *size = TCPOLEN_MPTCP_MPJ_SYNACK; @@ -923,7 +923,8 @@ static bool check_fully_established(struct mptcp_sock *msk, struct sock *ssk, } if (((mp_opt->suboptions & OPTION_MPTCP_DSS) && mp_opt->use_ack) || - ((mp_opt->suboptions & OPTION_MPTCP_ADD_ADDR) && !mp_opt->echo)) { + ((mp_opt->suboptions & OPTION_MPTCP_ADD_ADDR) && + (!mp_opt->echo || subflow->mp_join))) { /* subflows are fully established as soon as we get any * additional ack, including ADD_ADDR. */ diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index d9790d6fbc..b14eb6bccd 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -20,7 +20,7 @@ int mptcp_pm_announce_addr(struct mptcp_sock *msk, { u8 add_addr = READ_ONCE(msk->pm.addr_signal); - pr_debug("msk=%p, local_id=%d, echo=%d", msk, addr->id, echo); + pr_debug("msk=%p, local_id=%d, echo=%d\n", msk, addr->id, echo); lockdep_assert_held(&msk->pm.lock); @@ -45,7 +45,7 @@ int mptcp_pm_remove_addr(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_ { u8 rm_addr = READ_ONCE(msk->pm.addr_signal); - pr_debug("msk=%p, rm_list_nr=%d", msk, rm_list->nr); + pr_debug("msk=%p, rm_list_nr=%d\n", msk, rm_list->nr); if (rm_addr) { pr_warn("addr_signal error, rm_addr=%d", rm_addr); @@ -61,7 +61,7 @@ int mptcp_pm_remove_addr(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_ int mptcp_pm_remove_subflow(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_list) { - pr_debug("msk=%p, rm_list_nr=%d", msk, rm_list->nr); + pr_debug("msk=%p, rm_list_nr=%d\n", msk, rm_list->nr); spin_lock_bh(&msk->pm.lock); mptcp_pm_nl_rm_subflow_received(msk, rm_list); @@ -75,7 +75,7 @@ void mptcp_pm_new_connection(struct mptcp_sock *msk, const struct sock *ssk, int { struct mptcp_pm_data *pm = &msk->pm; - pr_debug("msk=%p, token=%u side=%d", msk, msk->token, server_side); + pr_debug("msk=%p, token=%u side=%d\n", msk, msk->token, server_side); WRITE_ONCE(pm->server_side, server_side); mptcp_event(MPTCP_EVENT_CREATED, msk, ssk, GFP_ATOMIC); @@ -89,7 +89,7 @@ bool mptcp_pm_allow_new_subflow(struct mptcp_sock *msk) subflows_max = mptcp_pm_get_subflows_max(msk); - pr_debug("msk=%p subflows=%d max=%d allow=%d", msk, pm->subflows, + pr_debug("msk=%p subflows=%d max=%d allow=%d\n", msk, pm->subflows, subflows_max, READ_ONCE(pm->accept_subflow)); /* try to avoid acquiring the lock below */ @@ -113,7 +113,7 @@ bool mptcp_pm_allow_new_subflow(struct mptcp_sock *msk) static bool mptcp_pm_schedule_work(struct mptcp_sock *msk, enum mptcp_pm_status new_status) { - pr_debug("msk=%p status=%x new=%lx", msk, msk->pm.status, + pr_debug("msk=%p status=%x new=%lx\n", msk, msk->pm.status, BIT(new_status)); if (msk->pm.status & BIT(new_status)) return false; @@ -128,7 +128,7 @@ void mptcp_pm_fully_established(struct mptcp_sock *msk, const struct sock *ssk, struct mptcp_pm_data *pm = &msk->pm; bool announce = false; - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); spin_lock_bh(&pm->lock); @@ -152,14 +152,14 @@ void mptcp_pm_fully_established(struct mptcp_sock *msk, const struct sock *ssk, void mptcp_pm_connection_closed(struct mptcp_sock *msk) { - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); } void mptcp_pm_subflow_established(struct mptcp_sock *msk) { struct mptcp_pm_data *pm = &msk->pm; - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); if (!READ_ONCE(pm->work_pending)) return; @@ -174,7 +174,7 @@ void mptcp_pm_subflow_established(struct mptcp_sock *msk) void mptcp_pm_subflow_closed(struct mptcp_sock *msk, u8 id) { - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); } void mptcp_pm_add_addr_received(struct mptcp_sock *msk, @@ -182,14 +182,16 @@ void mptcp_pm_add_addr_received(struct mptcp_sock *msk, { struct mptcp_pm_data *pm = &msk->pm; - pr_debug("msk=%p remote_id=%d accept=%d", msk, addr->id, + pr_debug("msk=%p remote_id=%d accept=%d\n", msk, addr->id, READ_ONCE(pm->accept_addr)); mptcp_event_addr_announced(msk, addr); spin_lock_bh(&pm->lock); - if (!READ_ONCE(pm->accept_addr)) { + /* id0 should not have a different address */ + if ((addr->id == 0 && !mptcp_pm_nl_is_init_remote_addr(msk, addr)) || + (addr->id > 0 && !READ_ONCE(pm->accept_addr))) { mptcp_pm_announce_addr(msk, addr, true); mptcp_pm_add_addr_send_ack(msk); } else if (mptcp_pm_schedule_work(msk, MPTCP_PM_ADD_ADDR_RECEIVED)) { @@ -202,11 +204,11 @@ void mptcp_pm_add_addr_received(struct mptcp_sock *msk, } void mptcp_pm_add_addr_echoed(struct mptcp_sock *msk, - struct mptcp_addr_info *addr) + const struct mptcp_addr_info *addr) { struct mptcp_pm_data *pm = &msk->pm; - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); spin_lock_bh(&pm->lock); @@ -230,7 +232,7 @@ void mptcp_pm_rm_addr_received(struct mptcp_sock *msk, struct mptcp_pm_data *pm = &msk->pm; u8 i; - pr_debug("msk=%p remote_ids_nr=%d", msk, rm_list->nr); + pr_debug("msk=%p remote_ids_nr=%d\n", msk, rm_list->nr); for (i = 0; i < rm_list->nr; i++) mptcp_event_addr_removed(msk, rm_list->ids[i]); @@ -255,12 +257,12 @@ void mptcp_pm_mp_prio_received(struct sock *sk, u8 bkup) void mptcp_pm_mp_fail_received(struct sock *sk, u64 fail_seq) { - pr_debug("fail_seq=%llu", fail_seq); + pr_debug("fail_seq=%llu\n", fail_seq); } /* path manager helpers */ -bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, struct sk_buff *skb, +bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, const struct sk_buff *skb, unsigned int opt_size, unsigned int remaining, struct mptcp_addr_info *addr, bool *echo, bool *port, bool *drop_other_suboptions) @@ -341,6 +343,15 @@ int mptcp_pm_get_local_id(struct mptcp_sock *msk, struct sock_common *skc) return mptcp_pm_nl_get_local_id(msk, skc); } +bool mptcp_pm_is_backup(struct mptcp_sock *msk, struct sock_common *skc) +{ + struct mptcp_addr_info skc_local; + + mptcp_local_address((struct sock_common *)skc, &skc_local); + + return mptcp_pm_nl_is_backup(msk, &skc_local); +} + void mptcp_pm_subflow_chk_stale(const struct mptcp_sock *msk, struct sock *ssk) { struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 651f2c1586..a7a46d99d5 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -60,7 +60,7 @@ struct pm_nl_pernet { #define ADD_ADDR_RETRANS_MAX 3 static bool addresses_equal(const struct mptcp_addr_info *a, - struct mptcp_addr_info *b, bool use_port) + const struct mptcp_addr_info *b, bool use_port) { bool addr_equals = false; @@ -97,8 +97,7 @@ static bool address_zero(const struct mptcp_addr_info *addr) return addresses_equal(addr, &zero, true); } -static void local_address(const struct sock_common *skc, - struct mptcp_addr_info *addr) +void mptcp_local_address(const struct sock_common *skc, struct mptcp_addr_info *addr) { addr->family = skc->skc_family; addr->port = htons(skc->skc_num); @@ -124,7 +123,7 @@ static void remote_address(const struct sock_common *skc, } static bool lookup_subflow_by_saddr(const struct list_head *list, - struct mptcp_addr_info *saddr) + const struct mptcp_addr_info *saddr) { struct mptcp_subflow_context *subflow; struct mptcp_addr_info cur; @@ -133,7 +132,7 @@ static bool lookup_subflow_by_saddr(const struct list_head *list, list_for_each_entry(subflow, list, node) { skc = (struct sock_common *)mptcp_subflow_tcp_sock(subflow); - local_address(skc, &cur); + mptcp_local_address(skc, &cur); if (addresses_equal(&cur, saddr, saddr->port)) return true; } @@ -142,16 +141,19 @@ static bool lookup_subflow_by_saddr(const struct list_head *list, } static bool lookup_subflow_by_daddr(const struct list_head *list, - struct mptcp_addr_info *daddr) + const struct mptcp_addr_info *daddr) { struct mptcp_subflow_context *subflow; struct mptcp_addr_info cur; - struct sock_common *skc; list_for_each_entry(subflow, list, node) { - skc = (struct sock_common *)mptcp_subflow_tcp_sock(subflow); + struct sock *ssk = mptcp_subflow_tcp_sock(subflow); + + if (!((1 << inet_sk_state_load(ssk)) & + (TCPF_ESTABLISHED | TCPF_SYN_SENT | TCPF_SYN_RECV))) + continue; - remote_address(skc, &cur); + remote_address((struct sock_common *)ssk, &cur); if (addresses_equal(&cur, daddr, daddr->port)) return true; } @@ -159,12 +161,14 @@ static bool lookup_subflow_by_daddr(const struct list_head *list, return false; } -static struct mptcp_pm_addr_entry * +static bool select_local_address(const struct pm_nl_pernet *pernet, - struct mptcp_sock *msk) + struct mptcp_sock *msk, + struct mptcp_pm_addr_entry *new_entry) { - struct mptcp_pm_addr_entry *entry, *ret = NULL; - struct sock *sk = (struct sock *)msk; + const struct sock *sk = (const struct sock *)msk; + struct mptcp_pm_addr_entry *entry; + bool found = false; msk_owned_by_me(msk); @@ -188,18 +192,22 @@ select_local_address(const struct pm_nl_pernet *pernet, * pending join */ if (!lookup_subflow_by_saddr(&msk->conn_list, &entry->addr)) { - ret = entry; + *new_entry = *entry; + found = true; break; } } rcu_read_unlock(); - return ret; + + return found; } -static struct mptcp_pm_addr_entry * -select_signal_address(struct pm_nl_pernet *pernet, unsigned int pos) +static bool +select_signal_address(struct pm_nl_pernet *pernet, unsigned int pos, + struct mptcp_pm_addr_entry *new_entry) { - struct mptcp_pm_addr_entry *entry, *ret = NULL; + struct mptcp_pm_addr_entry *entry; + bool found = false; int i = 0; rcu_read_lock(); @@ -212,24 +220,26 @@ select_signal_address(struct pm_nl_pernet *pernet, unsigned int pos) if (!(entry->flags & MPTCP_PM_ADDR_FLAG_SIGNAL)) continue; if (i++ == pos) { - ret = entry; + *new_entry = *entry; + found = true; break; } } rcu_read_unlock(); - return ret; + + return found; } -unsigned int mptcp_pm_get_add_addr_signal_max(struct mptcp_sock *msk) +unsigned int mptcp_pm_get_add_addr_signal_max(const struct mptcp_sock *msk) { - struct pm_nl_pernet *pernet; + const struct pm_nl_pernet *pernet; - pernet = net_generic(sock_net((struct sock *)msk), pm_nl_pernet_id); + pernet = net_generic(sock_net((const struct sock *)msk), pm_nl_pernet_id); return READ_ONCE(pernet->add_addr_signal_max); } EXPORT_SYMBOL_GPL(mptcp_pm_get_add_addr_signal_max); -unsigned int mptcp_pm_get_add_addr_accept_max(struct mptcp_sock *msk) +unsigned int mptcp_pm_get_add_addr_accept_max(const struct mptcp_sock *msk) { struct pm_nl_pernet *pernet; @@ -238,7 +248,7 @@ unsigned int mptcp_pm_get_add_addr_accept_max(struct mptcp_sock *msk) } EXPORT_SYMBOL_GPL(mptcp_pm_get_add_addr_accept_max); -unsigned int mptcp_pm_get_subflows_max(struct mptcp_sock *msk) +unsigned int mptcp_pm_get_subflows_max(const struct mptcp_sock *msk) { struct pm_nl_pernet *pernet; @@ -247,7 +257,7 @@ unsigned int mptcp_pm_get_subflows_max(struct mptcp_sock *msk) } EXPORT_SYMBOL_GPL(mptcp_pm_get_subflows_max); -unsigned int mptcp_pm_get_local_addr_max(struct mptcp_sock *msk) +unsigned int mptcp_pm_get_local_addr_max(const struct mptcp_sock *msk) { struct pm_nl_pernet *pernet; @@ -265,8 +275,8 @@ static void check_work_pending(struct mptcp_sock *msk) } struct mptcp_pm_add_entry * -mptcp_lookup_anno_list_by_saddr(struct mptcp_sock *msk, - struct mptcp_addr_info *addr) +mptcp_lookup_anno_list_by_saddr(const struct mptcp_sock *msk, + const struct mptcp_addr_info *addr) { struct mptcp_pm_add_entry *entry; @@ -286,7 +296,7 @@ bool mptcp_pm_sport_in_anno_list(struct mptcp_sock *msk, const struct sock *sk) struct mptcp_addr_info saddr; bool ret = false; - local_address((struct sock_common *)sk, &saddr); + mptcp_local_address((struct sock_common *)sk, &saddr); spin_lock_bh(&msk->pm.lock); list_for_each_entry(entry, &msk->pm.anno_list, list) { @@ -307,7 +317,7 @@ static void mptcp_pm_add_timer(struct timer_list *timer) struct mptcp_sock *msk = entry->sock; struct sock *sk = (struct sock *)msk; - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); if (!msk) return; @@ -326,7 +336,7 @@ static void mptcp_pm_add_timer(struct timer_list *timer) spin_lock_bh(&msk->pm.lock); if (!mptcp_pm_should_add_signal_addr(msk)) { - pr_debug("retransmit ADD_ADDR id=%d", entry->addr.id); + pr_debug("retransmit ADD_ADDR id=%d\n", entry->addr.id); mptcp_pm_announce_addr(msk, &entry->addr, false); mptcp_pm_add_addr_send_ack(msk); entry->retrans_times++; @@ -347,25 +357,31 @@ static void mptcp_pm_add_timer(struct timer_list *timer) struct mptcp_pm_add_entry * mptcp_pm_del_add_timer(struct mptcp_sock *msk, - struct mptcp_addr_info *addr, bool check_id) + const struct mptcp_addr_info *addr, bool check_id) { struct mptcp_pm_add_entry *entry; struct sock *sk = (struct sock *)msk; + struct timer_list *add_timer = NULL; spin_lock_bh(&msk->pm.lock); entry = mptcp_lookup_anno_list_by_saddr(msk, addr); - if (entry && (!check_id || entry->addr.id == addr->id)) + if (entry && (!check_id || entry->addr.id == addr->id)) { entry->retrans_times = ADD_ADDR_RETRANS_MAX; + add_timer = &entry->add_timer; + } + if (!check_id && entry) + list_del(&entry->list); spin_unlock_bh(&msk->pm.lock); - if (entry && (!check_id || entry->addr.id == addr->id)) - sk_stop_timer_sync(sk, &entry->add_timer); + /* no lock, because sk_stop_timer_sync() is calling del_timer_sync() */ + if (add_timer) + sk_stop_timer_sync(sk, add_timer); return entry; } static bool mptcp_pm_alloc_anno_list(struct mptcp_sock *msk, - struct mptcp_pm_addr_entry *entry) + const struct mptcp_pm_addr_entry *entry) { struct mptcp_pm_add_entry *add_entry = NULL; struct sock *sk = (struct sock *)msk; @@ -399,7 +415,7 @@ void mptcp_pm_free_anno_list(struct mptcp_sock *msk) struct sock *sk = (struct sock *)msk; LIST_HEAD(free_list); - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); spin_lock_bh(&msk->pm.lock); list_splice_init(&msk->pm.anno_list, &free_list); @@ -411,8 +427,8 @@ void mptcp_pm_free_anno_list(struct mptcp_sock *msk) } } -static bool lookup_address_in_vec(struct mptcp_addr_info *addrs, unsigned int nr, - struct mptcp_addr_info *addr) +static bool lookup_address_in_vec(const struct mptcp_addr_info *addrs, unsigned int nr, + const struct mptcp_addr_info *addr) { int i; @@ -475,7 +491,7 @@ __lookup_addr(struct pm_nl_pernet *pernet, struct mptcp_addr_info *info) static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk) { struct sock *sk = (struct sock *)msk; - struct mptcp_pm_addr_entry *local; + struct mptcp_pm_addr_entry local; unsigned int add_addr_signal_max; unsigned int local_addr_max; struct pm_nl_pernet *pernet; @@ -494,13 +510,11 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk) /* check first for announce */ if (msk->pm.add_addr_signaled < add_addr_signal_max) { - local = select_signal_address(pernet, - msk->pm.add_addr_signaled); - - if (local) { - if (mptcp_pm_alloc_anno_list(msk, local)) { + if (select_signal_address(pernet, msk->pm.add_addr_signaled, + &local)) { + if (mptcp_pm_alloc_anno_list(msk, &local)) { msk->pm.add_addr_signaled++; - mptcp_pm_announce_addr(msk, &local->addr, false); + mptcp_pm_announce_addr(msk, &local.addr, false); mptcp_pm_nl_addr_send_ack(msk); } } else { @@ -515,9 +529,8 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk) if (msk->pm.local_addr_used < local_addr_max && msk->pm.subflows < subflows_max && !READ_ONCE(msk->pm.remote_deny_join_id0)) { - local = select_local_address(pernet, msk); - if (local) { - bool fullmesh = !!(local->flags & MPTCP_PM_ADDR_FLAG_FULLMESH); + if (select_local_address(pernet, msk, &local)) { + bool fullmesh = !!(local.flags & MPTCP_PM_ADDR_FLAG_FULLMESH); struct mptcp_addr_info addrs[MPTCP_PM_ADDR_MAX]; int i, nr; @@ -526,7 +539,7 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk) nr = fill_remote_addresses_vec(msk, fullmesh, addrs); spin_unlock_bh(&msk->pm.lock); for (i = 0; i < nr; i++) - __mptcp_subflow_connect(sk, &local->addr, &addrs[i]); + __mptcp_subflow_connect(sk, &local.addr, &addrs[i]); spin_lock_bh(&msk->pm.lock); return; } @@ -555,7 +568,7 @@ static unsigned int fill_local_addresses_vec(struct mptcp_sock *msk, { struct sock *sk = (struct sock *)msk; struct mptcp_pm_addr_entry *entry; - struct mptcp_addr_info local; + struct mptcp_addr_info mpc_addr; struct pm_nl_pernet *pernet; unsigned int subflows_max; int i = 0; @@ -563,6 +576,8 @@ static unsigned int fill_local_addresses_vec(struct mptcp_sock *msk, pernet = net_generic(sock_net(sk), pm_nl_pernet_id); subflows_max = mptcp_pm_get_subflows_max(msk); + mptcp_local_address((struct sock_common *)msk, &mpc_addr); + rcu_read_lock(); __mptcp_flush_join_list(msk); list_for_each_entry_rcu(entry, &pernet->local_addr_list, list) { @@ -581,7 +596,13 @@ static unsigned int fill_local_addresses_vec(struct mptcp_sock *msk, if (msk->pm.subflows < subflows_max) { msk->pm.subflows++; - addrs[i++] = entry->addr; + addrs[i] = entry->addr; + + /* Special case for ID0: set the correct ID */ + if (addresses_equal(&entry->addr, &mpc_addr, entry->addr.port)) + addrs[i].id = 0; + + i++; } } rcu_read_unlock(); @@ -590,6 +611,8 @@ static unsigned int fill_local_addresses_vec(struct mptcp_sock *msk, * 'IPADDRANY' local address */ if (!i) { + struct mptcp_addr_info local; + memset(&local, 0, sizeof(local)); local.family = msk->pm.remote.family; @@ -608,12 +631,13 @@ static void mptcp_pm_nl_add_addr_received(struct mptcp_sock *msk) struct mptcp_addr_info remote; unsigned int subflows_max; bool reset_port = false; + bool sf_created = false; int i, nr; add_addr_accept_max = mptcp_pm_get_add_addr_accept_max(msk); subflows_max = mptcp_pm_get_subflows_max(msk); - pr_debug("accepted %d:%d remote family %d", + pr_debug("accepted %d:%d remote family %d\n", msk->pm.add_addr_accepted, add_addr_accept_max, msk->pm.remote.family); @@ -632,16 +656,19 @@ static void mptcp_pm_nl_add_addr_received(struct mptcp_sock *msk) */ nr = fill_local_addresses_vec(msk, addrs); - msk->pm.add_addr_accepted++; - if (msk->pm.add_addr_accepted >= add_addr_accept_max || - msk->pm.subflows >= subflows_max) - WRITE_ONCE(msk->pm.accept_addr, false); - spin_unlock_bh(&msk->pm.lock); for (i = 0; i < nr; i++) - __mptcp_subflow_connect(sk, &addrs[i], &remote); + if (__mptcp_subflow_connect(sk, &addrs[i], &remote) == 0) + sf_created = true; spin_lock_bh(&msk->pm.lock); + if (sf_created) { + msk->pm.add_addr_accepted++; + if (msk->pm.add_addr_accepted >= add_addr_accept_max || + msk->pm.subflows >= subflows_max) + WRITE_ONCE(msk->pm.accept_addr, false); + } + /* be sure to echo exactly the received address */ if (reset_port) remote.port = 0; @@ -651,6 +678,15 @@ static void mptcp_pm_nl_add_addr_received(struct mptcp_sock *msk) mptcp_pm_nl_addr_send_ack(msk); } +bool mptcp_pm_nl_is_init_remote_addr(struct mptcp_sock *msk, + const struct mptcp_addr_info *remote) +{ + struct mptcp_addr_info mpc_remote; + + remote_address((struct sock_common *)msk, &mpc_remote); + return addresses_equal(&mpc_remote, remote, remote->port); +} + void mptcp_pm_nl_addr_send_ack(struct mptcp_sock *msk) { struct mptcp_subflow_context *subflow; @@ -663,16 +699,18 @@ void mptcp_pm_nl_addr_send_ack(struct mptcp_sock *msk) return; __mptcp_flush_join_list(msk); - subflow = list_first_entry_or_null(&msk->conn_list, typeof(*subflow), node); - if (subflow) { - struct sock *ssk = mptcp_subflow_tcp_sock(subflow); + mptcp_for_each_subflow(msk, subflow) { + if (__mptcp_subflow_active(subflow)) { + struct sock *ssk = mptcp_subflow_tcp_sock(subflow); - spin_unlock_bh(&msk->pm.lock); - pr_debug("send ack for %s", - mptcp_pm_should_add_signal(msk) ? "add_addr" : "rm_addr"); + spin_unlock_bh(&msk->pm.lock); + pr_debug("send ack for %s\n", + mptcp_pm_should_add_signal(msk) ? "add_addr" : "rm_addr"); - mptcp_subflow_send_ack(ssk); - spin_lock_bh(&msk->pm.lock); + mptcp_subflow_send_ack(ssk); + spin_lock_bh(&msk->pm.lock); + break; + } } } @@ -682,26 +720,25 @@ int mptcp_pm_nl_mp_prio_send_ack(struct mptcp_sock *msk, { struct mptcp_subflow_context *subflow; - pr_debug("bkup=%d", bkup); + pr_debug("bkup=%d\n", bkup); mptcp_for_each_subflow(msk, subflow) { struct sock *ssk = mptcp_subflow_tcp_sock(subflow); struct sock *sk = (struct sock *)msk; struct mptcp_addr_info local; - local_address((struct sock_common *)ssk, &local); + mptcp_local_address((struct sock_common *)ssk, &local); if (!addresses_equal(&local, addr, addr->port)) continue; if (subflow->backup != bkup) msk->last_snd = NULL; - subflow->backup = bkup; subflow->send_mp_prio = 1; subflow->request_bkup = bkup; __MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPPRIOTX); spin_unlock_bh(&msk->pm.lock); - pr_debug("send ack for mp_prio"); + pr_debug("send ack for mp_prio\n"); mptcp_subflow_send_ack(ssk); spin_lock_bh(&msk->pm.lock); @@ -719,7 +756,7 @@ static void mptcp_pm_nl_rm_addr_or_subflow(struct mptcp_sock *msk, struct sock *sk = (struct sock *)msk; u8 i; - pr_debug("%s rm_list_nr %d", + pr_debug("%s rm_list_nr %d\n", rm_type == MPTCP_MIB_RMADDR ? "address" : "subflow", rm_list->nr); msk_owned_by_me(msk); @@ -741,30 +778,41 @@ static void mptcp_pm_nl_rm_addr_or_subflow(struct mptcp_sock *msk, int how = RCV_SHUTDOWN | SEND_SHUTDOWN; u8 id = subflow->local_id; + if ((1 << inet_sk_state_load(ssk)) & + (TCPF_FIN_WAIT1 | TCPF_FIN_WAIT2 | TCPF_CLOSING | TCPF_CLOSE)) + continue; + if (rm_type == MPTCP_MIB_RMADDR) id = subflow->remote_id; if (rm_list->ids[i] != id) continue; - pr_debug(" -> %s rm_list_ids[%d]=%u local_id=%u remote_id=%u", + pr_debug(" -> %s rm_list_ids[%d]=%u local_id=%u remote_id=%u\n", rm_type == MPTCP_MIB_RMADDR ? "address" : "subflow", i, rm_list->ids[i], subflow->local_id, subflow->remote_id); spin_unlock_bh(&msk->pm.lock); mptcp_subflow_shutdown(sk, ssk, how); + removed |= subflow->request_join; mptcp_close_ssk(sk, ssk, subflow); spin_lock_bh(&msk->pm.lock); - removed = true; msk->pm.subflows--; - __MPTCP_INC_STATS(sock_net(sk), rm_type); + if (rm_type == MPTCP_MIB_RMSUBFLOW) + __MPTCP_INC_STATS(sock_net(sk), rm_type); } + if (rm_type == MPTCP_MIB_RMADDR) + __MPTCP_INC_STATS(sock_net(sk), rm_type); if (!removed) continue; - if (rm_type == MPTCP_MIB_RMADDR) { - msk->pm.add_addr_accepted--; - WRITE_ONCE(msk->pm.accept_addr, true); + if (rm_type == MPTCP_MIB_RMADDR && rm_list->ids[i] && + msk->pm.add_addr_accepted != 0) { + /* Note: if the subflow has been closed before, this + * add_addr_accepted counter will not be decremented. + */ + if (--msk->pm.add_addr_accepted < mptcp_pm_get_add_addr_accept_max(msk)) + WRITE_ONCE(msk->pm.accept_addr, true); } else if (rm_type == MPTCP_MIB_RMSUBFLOW) { msk->pm.local_addr_used--; } @@ -790,7 +838,7 @@ void mptcp_pm_nl_work(struct mptcp_sock *msk) spin_lock_bh(&msk->pm.lock); - pr_debug("msk=%p status=%x", msk, pm->status); + pr_debug("msk=%p status=%x\n", msk, pm->status); if (pm->status & BIT(MPTCP_PM_ADD_ADDR_RECEIVED)) { pm->status &= ~BIT(MPTCP_PM_ADD_ADDR_RECEIVED); mptcp_pm_nl_add_addr_received(msk); @@ -943,6 +991,7 @@ static int mptcp_pm_nl_create_listen_socket(struct sock *sk, goto out; } + WRITE_ONCE(mptcp_subflow_ctx(ssock->sk)->pm_listener, true); err = kernel_listen(ssock, backlog); if (err) { pr_warn("kernel_listen error, err=%d", err); @@ -970,8 +1019,8 @@ int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, struct sock_common *skc) /* The 0 ID mapping is defined by the first subflow, copied into the msk * addr */ - local_address((struct sock_common *)msk, &msk_local); - local_address((struct sock_common *)skc, &skc_local); + mptcp_local_address((struct sock_common *)msk, &msk_local); + mptcp_local_address((struct sock_common *)skc, &skc_local); if (addresses_equal(&msk_local, &skc_local, false)) return 0; @@ -1009,6 +1058,26 @@ int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, struct sock_common *skc) return ret; } +bool mptcp_pm_nl_is_backup(struct mptcp_sock *msk, struct mptcp_addr_info *skc) +{ + struct mptcp_pm_addr_entry *entry; + struct pm_nl_pernet *pernet; + bool backup = false; + + pernet = net_generic(sock_net((struct sock *)msk), pm_nl_pernet_id); + + rcu_read_lock(); + list_for_each_entry_rcu(entry, &pernet->local_addr_list, list) { + if (addresses_equal(&entry->addr, skc, entry->addr.port)) { + backup = !!(entry->flags & MPTCP_PM_ADDR_FLAG_BACKUP); + break; + } + } + rcu_read_unlock(); + + return backup; +} + void mptcp_pm_nl_data_init(struct mptcp_sock *msk) { struct mptcp_pm_data *pm = &msk->pm; @@ -1290,13 +1359,12 @@ int mptcp_pm_get_flags_and_ifindex_by_id(struct net *net, unsigned int id, } static bool remove_anno_list_by_saddr(struct mptcp_sock *msk, - struct mptcp_addr_info *addr) + const struct mptcp_addr_info *addr) { struct mptcp_pm_add_entry *entry; entry = mptcp_pm_del_add_timer(msk, addr, false); if (entry) { - list_del(&entry->list); kfree(entry); return true; } @@ -1305,7 +1373,7 @@ static bool remove_anno_list_by_saddr(struct mptcp_sock *msk, } static bool mptcp_pm_remove_anno_addr(struct mptcp_sock *msk, - struct mptcp_addr_info *addr, + const struct mptcp_addr_info *addr, bool force) { struct mptcp_rm_list list = { .nr = 0 }; @@ -1316,6 +1384,7 @@ static bool mptcp_pm_remove_anno_addr(struct mptcp_sock *msk, ret = remove_anno_list_by_saddr(msk, addr); if (ret || force) { spin_lock_bh(&msk->pm.lock); + msk->pm.add_addr_signaled -= ret; mptcp_pm_remove_addr(msk, &list); spin_unlock_bh(&msk->pm.lock); } @@ -1329,7 +1398,7 @@ static int mptcp_nl_remove_subflow_and_signal_addr(struct net *net, long s_slot = 0, s_num = 0; struct mptcp_rm_list list = { .nr = 0 }; - pr_debug("remove_id=%d", addr->id); + pr_debug("remove_id=%d\n", addr->id); list.ids[list.nr++] = addr->id; @@ -1381,7 +1450,7 @@ static int mptcp_nl_remove_id_zero_address(struct net *net, if (list_empty(&msk->conn_list)) goto next; - local_address((struct sock_common *)msk, &msk_local); + mptcp_local_address((struct sock_common *)msk, &msk_local); if (!addresses_equal(&msk_local, addr, addr->port)) goto next; @@ -1455,24 +1524,31 @@ static void mptcp_pm_remove_addrs_and_subflows(struct mptcp_sock *msk, struct mptcp_pm_addr_entry *entry; list_for_each_entry(entry, rm_list, list) { - if (lookup_subflow_by_saddr(&msk->conn_list, &entry->addr) && - alist.nr < MPTCP_RM_IDS_MAX && - slist.nr < MPTCP_RM_IDS_MAX) { + if (alist.nr < MPTCP_RM_IDS_MAX && + slist.nr < MPTCP_RM_IDS_MAX && + lookup_subflow_by_saddr(&msk->conn_list, &entry->addr)) { alist.ids[alist.nr++] = entry->addr.id; slist.ids[slist.nr++] = entry->addr.id; - } else if (remove_anno_list_by_saddr(msk, &entry->addr) && - alist.nr < MPTCP_RM_IDS_MAX) { + } else if (alist.nr < MPTCP_RM_IDS_MAX && + remove_anno_list_by_saddr(msk, &entry->addr)) { alist.ids[alist.nr++] = entry->addr.id; } } if (alist.nr) { spin_lock_bh(&msk->pm.lock); + msk->pm.add_addr_signaled -= alist.nr; mptcp_pm_remove_addr(msk, &alist); spin_unlock_bh(&msk->pm.lock); } + if (slist.nr) mptcp_pm_remove_subflow(msk, &slist); + + /* Reset counters: maybe some subflows have been removed before */ + spin_lock_bh(&msk->pm.lock); + msk->pm.local_addr_used = 0; + spin_unlock_bh(&msk->pm.lock); } static void mptcp_nl_remove_addrs_list(struct net *net, diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 3c3f630f49..34c9859635 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -136,7 +136,7 @@ static bool mptcp_try_coalesce(struct sock *sk, struct sk_buff *to, !skb_try_coalesce(to, from, &fragstolen, &delta)) return false; - pr_debug("colesced seq %llx into %llx new len %d new end seq %llx", + pr_debug("colesced seq %llx into %llx new len %d new end seq %llx\n", MPTCP_SKB_CB(from)->map_seq, MPTCP_SKB_CB(to)->map_seq, to->len, MPTCP_SKB_CB(from)->end_seq); MPTCP_SKB_CB(to)->end_seq = MPTCP_SKB_CB(from)->end_seq; @@ -170,7 +170,7 @@ static void mptcp_data_queue_ofo(struct mptcp_sock *msk, struct sk_buff *skb) end_seq = MPTCP_SKB_CB(skb)->end_seq; max_seq = READ_ONCE(msk->rcv_wnd_sent); - pr_debug("msk=%p seq=%llx limit=%llx empty=%d", msk, seq, max_seq, + pr_debug("msk=%p seq=%llx limit=%llx empty=%d\n", msk, seq, max_seq, RB_EMPTY_ROOT(&msk->out_of_order_queue)); if (after64(end_seq, max_seq)) { /* out of window */ @@ -288,8 +288,10 @@ static bool __mptcp_move_skb(struct mptcp_sock *msk, struct sock *ssk, if (!sk_rmem_schedule(sk, skb, skb->truesize)) { int amount = sk_mem_pages(skb->truesize) << SK_MEM_QUANTUM_SHIFT; - if (ssk->sk_forward_alloc < amount) + if (ssk->sk_forward_alloc < amount) { + MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_RCVPRUNED); goto drop; + } ssk->sk_forward_alloc -= amount; sk->sk_forward_alloc += amount; @@ -552,6 +554,18 @@ static bool mptcp_check_data_fin(struct sock *sk) return ret; } +static void mptcp_dss_corruption(struct mptcp_sock *msk, struct sock *ssk) +{ + if (READ_ONCE(msk->allow_infinite_fallback)) { + MPTCP_INC_STATS(sock_net(ssk), + MPTCP_MIB_DSSCORRUPTIONFALLBACK); + mptcp_do_fallback(ssk); + } else { + MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_DSSCORRUPTIONRESET); + mptcp_subflow_reset(ssk); + } +} + static bool __mptcp_move_skbs_from_subflow(struct mptcp_sock *msk, struct sock *ssk, unsigned int *bytes) @@ -575,7 +589,7 @@ static bool __mptcp_move_skbs_from_subflow(struct mptcp_sock *msk, } } - pr_debug("msk=%p ssk=%p", msk, ssk); + pr_debug("msk=%p ssk=%p\n", msk, ssk); tp = tcp_sk(ssk); do { u32 map_remaining, offset; @@ -624,10 +638,12 @@ static bool __mptcp_move_skbs_from_subflow(struct mptcp_sock *msk, moved += len; seq += len; - if (WARN_ON_ONCE(map_remaining < len)) - break; + if (unlikely(map_remaining < len)) + mptcp_dss_corruption(msk, ssk); } else { - WARN_ON_ONCE(!fin); + if (unlikely(!fin)) + mptcp_dss_corruption(msk, ssk); + sk_eat_skb(ssk, skb); done = true; } @@ -654,7 +670,7 @@ static bool __mptcp_ofo_queue(struct mptcp_sock *msk) u64 end_seq; p = rb_first(&msk->out_of_order_queue); - pr_debug("msk=%p empty=%d", msk, RB_EMPTY_ROOT(&msk->out_of_order_queue)); + pr_debug("msk=%p empty=%d\n", msk, RB_EMPTY_ROOT(&msk->out_of_order_queue)); while (p) { skb = rb_to_skb(p); if (after64(MPTCP_SKB_CB(skb)->map_seq, msk->ack_seq)) @@ -676,7 +692,7 @@ static bool __mptcp_ofo_queue(struct mptcp_sock *msk) int delta = msk->ack_seq - MPTCP_SKB_CB(skb)->map_seq; /* skip overlapping data, if any */ - pr_debug("uncoalesced seq=%llx ack seq=%llx delta=%d", + pr_debug("uncoalesced seq=%llx ack seq=%llx delta=%d\n", MPTCP_SKB_CB(skb)->map_seq, msk->ack_seq, delta); MPTCP_SKB_CB(skb)->offset += delta; @@ -774,10 +790,8 @@ void mptcp_data_ready(struct sock *sk, struct sock *ssk) sk_rbuf = ssk_rbuf; /* over limit? can't append more skbs to msk, Also, no need to wake-up*/ - if (__mptcp_rmem(sk) > sk_rbuf) { - MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_RCVPRUNED); + if (__mptcp_rmem(sk) > sk_rbuf) return; - } /* Wake-up the reader only for in-sequence data */ mptcp_data_lock(sk); @@ -1328,7 +1342,7 @@ static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk, size_t copy; int i; - pr_debug("msk=%p ssk=%p sending dfrag at seq=%llu len=%u already sent=%u", + pr_debug("msk=%p ssk=%p sending dfrag at seq=%llu len=%u already sent=%u\n", msk, ssk, dfrag->data_seq, dfrag->data_len, info->sent); if (WARN_ON_ONCE(info->sent > info->limit || @@ -1425,7 +1439,7 @@ static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk, mpext->use_map = 1; mpext->dsn64 = 1; - pr_debug("data_seq=%llu subflow_seq=%u data_len=%u dsn64=%d", + pr_debug("data_seq=%llu subflow_seq=%u data_len=%u dsn64=%d\n", mpext->data_seq, mpext->subflow_seq, mpext->data_len, mpext->dsn64); @@ -1514,13 +1528,15 @@ static struct sock *mptcp_subflow_get_send(struct mptcp_sock *msk) send_info[i].ratio = -1; } mptcp_for_each_subflow(msk, subflow) { + bool backup = subflow->backup || subflow->request_bkup; + trace_mptcp_subflow_get_send(subflow); ssk = mptcp_subflow_tcp_sock(subflow); if (!mptcp_subflow_active(subflow)) continue; tout = max(tout, mptcp_timeout_from_subflow(subflow)); - nr_active += !subflow->backup; + nr_active += !backup; if (!sk_stream_memory_free(subflow->tcp_sock) || !tcp_sk(ssk)->snd_wnd) continue; @@ -1530,9 +1546,9 @@ static struct sock *mptcp_subflow_get_send(struct mptcp_sock *msk) ratio = div_u64((u64)READ_ONCE(ssk->sk_wmem_queued) << 32, pace); - if (ratio < send_info[subflow->backup].ratio) { - send_info[subflow->backup].ssk = ssk; - send_info[subflow->backup].ratio = ratio; + if (ratio < send_info[backup].ratio) { + send_info[backup].ssk = ssk; + send_info[backup].ratio = ratio; } } __mptcp_set_timeout(sk, tout); @@ -1810,7 +1826,7 @@ static int mptcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) if (!msk->first_pending) WRITE_ONCE(msk->first_pending, dfrag); } - pr_debug("msk=%p dfrag at seq=%llu len=%u sent=%u new=%d", msk, + pr_debug("msk=%p dfrag at seq=%llu len=%u sent=%u new=%d\n", msk, dfrag->data_seq, dfrag->data_len, dfrag->already_sent, !dfrag_collapsed); @@ -2134,7 +2150,7 @@ static int mptcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, } } - pr_debug("block timeout %ld", timeo); + pr_debug("block timeout %ld\n", timeo); sk_wait_data(sk, &timeo, NULL); } @@ -2144,7 +2160,7 @@ static int mptcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, tcp_recv_timestamp(msg, sk, &tss); } - pr_debug("msk=%p rx queue empty=%d:%d copied=%d", + pr_debug("msk=%p rx queue empty=%d:%d copied=%d\n", msk, skb_queue_empty_lockless(&sk->sk_receive_queue), skb_queue_empty(&msk->receive_queue), copied); if (!(flags & MSG_PEEK)) @@ -2211,7 +2227,7 @@ static struct sock *mptcp_subflow_get_retrans(struct mptcp_sock *msk) continue; } - if (subflow->backup) { + if (subflow->backup || subflow->request_bkup) { if (!backup) backup = ssk; continue; @@ -2335,6 +2351,12 @@ static void __mptcp_close_ssk(struct sock *sk, struct sock *ssk, void mptcp_close_ssk(struct sock *sk, struct sock *ssk, struct mptcp_subflow_context *subflow) { + /* The first subflow can already be closed and still in the list */ + if (subflow->close_event_done) + return; + + subflow->close_event_done = true; + if (sk->sk_state == TCP_ESTABLISHED) mptcp_event(MPTCP_EVENT_SUB_CLOSED, mptcp_sk(sk), ssk, GFP_KERNEL); __mptcp_close_ssk(sk, ssk, subflow); @@ -2353,8 +2375,11 @@ static void __mptcp_close_subflow(struct mptcp_sock *msk) list_for_each_entry_safe(subflow, tmp, &msk->conn_list, node) { struct sock *ssk = mptcp_subflow_tcp_sock(subflow); + int ssk_state = inet_sk_state_load(ssk); - if (inet_sk_state_load(ssk) != TCP_CLOSE) + if (ssk_state != TCP_CLOSE && + (ssk_state != TCP_CLOSE_WAIT || + inet_sk_state_load((struct sock *)ssk) != TCP_ESTABLISHED)) continue; /* 'subflow_data_ready' will re-sched once rx queue is empty */ @@ -2461,6 +2486,7 @@ static void __mptcp_retrans(struct sock *sk) dfrag->already_sent = max(dfrag->already_sent, info.sent); tcp_push(ssk, 0, info.mss_now, tcp_sk(ssk)->nonagle, info.size_goal); + WRITE_ONCE(msk->allow_infinite_fallback, false); } release_sock(ssk); @@ -2538,6 +2564,7 @@ static int __mptcp_init_sock(struct sock *sk) msk->first = NULL; inet_csk(sk)->icsk_sync_mss = mptcp_sync_mss; WRITE_ONCE(msk->csum_enabled, mptcp_is_checksum_enabled(sock_net(sk))); + WRITE_ONCE(msk->allow_infinite_fallback, true); msk->recovery = false; mptcp_pm_data_init(msk); @@ -2618,7 +2645,7 @@ void mptcp_subflow_shutdown(struct sock *sk, struct sock *ssk, int how) break; default: if (__mptcp_check_fallback(mptcp_sk(sk))) { - pr_debug("Fallback"); + pr_debug("Fallback\n"); ssk->sk_shutdown |= how; tcp_shutdown(ssk, how); @@ -2628,7 +2655,7 @@ void mptcp_subflow_shutdown(struct sock *sk, struct sock *ssk, int how) WRITE_ONCE(mptcp_sk(sk)->snd_una, mptcp_sk(sk)->snd_nxt); mptcp_schedule_work(sk); } else { - pr_debug("Sending DATA_FIN on subflow %p", ssk); + pr_debug("Sending DATA_FIN on subflow %p\n", ssk); tcp_send_ack(ssk); if (!mptcp_rtx_timer_pending(sk)) mptcp_reset_rtx_timer(sk); @@ -2671,7 +2698,7 @@ static void mptcp_check_send_data_fin(struct sock *sk) struct mptcp_subflow_context *subflow; struct mptcp_sock *msk = mptcp_sk(sk); - pr_debug("msk=%p snd_data_fin_enable=%d pending=%d snd_nxt=%llu write_seq=%llu", + pr_debug("msk=%p snd_data_fin_enable=%d pending=%d snd_nxt=%llu write_seq=%llu\n", msk, msk->snd_data_fin_enable, !!mptcp_send_head(sk), msk->snd_nxt, msk->write_seq); @@ -2696,7 +2723,7 @@ static void __mptcp_wr_shutdown(struct sock *sk) { struct mptcp_sock *msk = mptcp_sk(sk); - pr_debug("msk=%p snd_data_fin_enable=%d shutdown=%x state=%d pending=%d", + pr_debug("msk=%p snd_data_fin_enable=%d shutdown=%x state=%d pending=%d\n", msk, msk->snd_data_fin_enable, sk->sk_shutdown, sk->sk_state, !!mptcp_send_head(sk)); @@ -2713,7 +2740,7 @@ static void __mptcp_destroy_sock(struct sock *sk) struct mptcp_sock *msk = mptcp_sk(sk); LIST_HEAD(conn_list); - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); might_sleep(); @@ -2786,7 +2813,7 @@ static void mptcp_close(struct sock *sk, long timeout) inet_sk_state_store(sk, TCP_CLOSE); sock_hold(sk); - pr_debug("msk=%p state=%d", sk, sk->sk_state); + pr_debug("msk=%p state=%d\n", sk, sk->sk_state); if (sk->sk_state == TCP_CLOSE) { __mptcp_destroy_sock(sk); do_cancel_work = true; @@ -2993,12 +3020,12 @@ static struct sock *mptcp_accept(struct sock *sk, int flags, int *err, return NULL; } - pr_debug("msk=%p, listener=%p", msk, mptcp_subflow_ctx(listener->sk)); + pr_debug("msk=%p, listener=%p\n", msk, mptcp_subflow_ctx(listener->sk)); newsk = inet_csk_accept(listener->sk, flags, err, kern); if (!newsk) return NULL; - pr_debug("msk=%p, subflow is mptcp=%d", msk, sk_is_mptcp(newsk)); + pr_debug("msk=%p, subflow is mptcp=%d\n", msk, sk_is_mptcp(newsk)); if (sk_is_mptcp(newsk)) { struct mptcp_subflow_context *subflow; struct sock *new_mptcp_sock; @@ -3189,7 +3216,7 @@ static int mptcp_get_port(struct sock *sk, unsigned short snum) struct socket *ssock; ssock = __mptcp_nmpc_socket(msk); - pr_debug("msk=%p, subflow=%p", msk, ssock); + pr_debug("msk=%p, subflow=%p\n", msk, ssock); if (WARN_ON_ONCE(!ssock)) return -EINVAL; @@ -3207,7 +3234,7 @@ void mptcp_finish_connect(struct sock *ssk) sk = subflow->conn; msk = mptcp_sk(sk); - pr_debug("msk=%p, token=%u", sk, subflow->token); + pr_debug("msk=%p, token=%u\n", sk, subflow->token); mptcp_crypto_key_sha(subflow->remote_key, NULL, &ack_seq); ack_seq++; @@ -3248,7 +3275,7 @@ bool mptcp_finish_join(struct sock *ssk) struct socket *parent_sock; bool ret; - pr_debug("msk=%p, subflow=%p", msk, subflow); + pr_debug("msk=%p, subflow=%p\n", msk, subflow); /* mptcp socket already closing? */ if (!mptcp_is_fully_established(parent)) { @@ -3288,6 +3315,7 @@ bool mptcp_finish_join(struct sock *ssk) if (parent_sock && !ssk->sk_socket) mptcp_sock_graft(ssk, parent_sock); subflow->map_seq = READ_ONCE(msk->ack_seq); + WRITE_ONCE(msk->allow_infinite_fallback, false); out: mptcp_event(MPTCP_EVENT_SUB_ESTABLISHED, msk, ssk, GFP_ATOMIC); return true; @@ -3295,7 +3323,7 @@ bool mptcp_finish_join(struct sock *ssk) static void mptcp_shutdown(struct sock *sk, int how) { - pr_debug("sk=%p, how=%d", sk, how); + pr_debug("sk=%p, how=%d\n", sk, how); if ((how & SEND_SHUTDOWN) && mptcp_close_state(sk)) __mptcp_wr_shutdown(sk); @@ -3398,6 +3426,7 @@ static int mptcp_stream_connect(struct socket *sock, struct sockaddr *uaddr, WRITE_ONCE(msk->write_seq, subflow->idsn); WRITE_ONCE(msk->snd_nxt, subflow->idsn); + WRITE_ONCE(msk->snd_una, subflow->idsn); if (likely(!__mptcp_check_fallback(msk))) MPTCP_INC_STATS(sock_net(sock->sk), MPTCP_MIB_MPCAPABLEACTIVE); @@ -3424,7 +3453,7 @@ static int mptcp_listen(struct socket *sock, int backlog) struct socket *ssock; int err; - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); lock_sock(sock->sk); ssock = __mptcp_nmpc_socket(msk); @@ -3454,7 +3483,7 @@ static int mptcp_stream_accept(struct socket *sock, struct socket *newsock, struct socket *ssock; int err; - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); lock_sock(sock->sk); if (sock->sk->sk_state != TCP_LISTEN) @@ -3558,7 +3587,7 @@ static __poll_t mptcp_poll(struct file *file, struct socket *sock, sock_poll_wait(file, sock, wait); state = inet_sk_state_load(sk); - pr_debug("msk=%p state=%d flags=%lx", msk, state, msk->flags); + pr_debug("msk=%p state=%d flags=%lx\n", msk, state, msk->flags); if (state == TCP_LISTEN) return test_bit(MPTCP_DATA_READY, &msk->flags) ? EPOLLIN | EPOLLRDNORM : 0; diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index b4ccae4f68..8f5e5a66ba 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -249,6 +249,7 @@ struct mptcp_sock { bool rcv_fastclose; bool use_64bit_ack; /* Set when we received a 64-bit DSN */ bool csum_enabled; + bool allow_infinite_fallback; spinlock_t join_list_lock; int keepalive_cnt; int keepalive_idle; @@ -370,6 +371,7 @@ struct mptcp_subflow_request_sock { u16 mp_capable : 1, mp_join : 1, backup : 1, + request_bkup : 1, csum_reqd : 1, allow_join_id0 : 1; u8 local_id; @@ -440,8 +442,11 @@ struct mptcp_subflow_context { can_ack : 1, /* only after processing the remote a key */ disposable : 1, /* ctx can be free at ulp release time */ stale : 1, /* unable to snd/rcv data, do not use for xmit */ - valid_csum_seen : 1; /* at least one csum validated */ + valid_csum_seen : 1, /* at least one csum validated */ + close_event_done : 1, /* has done the post-closed part */ + __unused : 11; enum mptcp_data_avail data_avail; + bool pm_listener; /* a listener managed by the kernel PM? */ u32 remote_nonce; u64 thmac; u32 local_nonce; @@ -582,6 +587,7 @@ void mptcp_subflow_send_ack(struct sock *ssk); void mptcp_subflow_reset(struct sock *ssk); void mptcp_sock_graft(struct sock *sk, struct socket *parent); struct socket *__mptcp_nmpc_socket(const struct mptcp_sock *msk); +void mptcp_local_address(const struct sock_common *skc, struct mptcp_addr_info *addr); /* called with sk socket lock held */ int __mptcp_subflow_connect(struct sock *sk, const struct mptcp_addr_info *loc, @@ -736,8 +742,10 @@ void mptcp_pm_subflow_closed(struct mptcp_sock *msk, u8 id); void mptcp_pm_add_addr_received(struct mptcp_sock *msk, const struct mptcp_addr_info *addr); void mptcp_pm_add_addr_echoed(struct mptcp_sock *msk, - struct mptcp_addr_info *addr); + const struct mptcp_addr_info *addr); void mptcp_pm_add_addr_send_ack(struct mptcp_sock *msk); +bool mptcp_pm_nl_is_init_remote_addr(struct mptcp_sock *msk, + const struct mptcp_addr_info *remote); void mptcp_pm_nl_addr_send_ack(struct mptcp_sock *msk); void mptcp_pm_rm_addr_received(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_list); @@ -750,10 +758,10 @@ void mptcp_pm_free_anno_list(struct mptcp_sock *msk); bool mptcp_pm_sport_in_anno_list(struct mptcp_sock *msk, const struct sock *sk); struct mptcp_pm_add_entry * mptcp_pm_del_add_timer(struct mptcp_sock *msk, - struct mptcp_addr_info *addr, bool check_id); + const struct mptcp_addr_info *addr, bool check_id); struct mptcp_pm_add_entry * -mptcp_lookup_anno_list_by_saddr(struct mptcp_sock *msk, - struct mptcp_addr_info *addr); +mptcp_lookup_anno_list_by_saddr(const struct mptcp_sock *msk, + const struct mptcp_addr_info *addr); int mptcp_pm_get_flags_and_ifindex_by_id(struct net *net, unsigned int id, u8 *flags, int *ifindex); @@ -812,13 +820,14 @@ static inline int mptcp_rm_addr_len(const struct mptcp_rm_list *rm_list) return TCPOLEN_MPTCP_RM_ADDR_BASE + roundup(rm_list->nr - 1, 4) + 1; } -bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, struct sk_buff *skb, +bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, const struct sk_buff *skb, unsigned int opt_size, unsigned int remaining, struct mptcp_addr_info *addr, bool *echo, bool *port, bool *drop_other_suboptions); bool mptcp_pm_rm_addr_signal(struct mptcp_sock *msk, unsigned int remaining, struct mptcp_rm_list *rm_list); int mptcp_pm_get_local_id(struct mptcp_sock *msk, struct sock_common *skc); +bool mptcp_pm_is_backup(struct mptcp_sock *msk, struct sock_common *skc); void __init mptcp_pm_nl_init(void); void mptcp_pm_nl_data_init(struct mptcp_sock *msk); @@ -826,10 +835,11 @@ void mptcp_pm_nl_work(struct mptcp_sock *msk); void mptcp_pm_nl_rm_subflow_received(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_list); int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, struct sock_common *skc); -unsigned int mptcp_pm_get_add_addr_signal_max(struct mptcp_sock *msk); -unsigned int mptcp_pm_get_add_addr_accept_max(struct mptcp_sock *msk); -unsigned int mptcp_pm_get_subflows_max(struct mptcp_sock *msk); -unsigned int mptcp_pm_get_local_addr_max(struct mptcp_sock *msk); +bool mptcp_pm_nl_is_backup(struct mptcp_sock *msk, struct mptcp_addr_info *skc); +unsigned int mptcp_pm_get_add_addr_signal_max(const struct mptcp_sock *msk); +unsigned int mptcp_pm_get_add_addr_accept_max(const struct mptcp_sock *msk); +unsigned int mptcp_pm_get_subflows_max(const struct mptcp_sock *msk); +unsigned int mptcp_pm_get_local_addr_max(const struct mptcp_sock *msk); void mptcp_sockopt_sync(struct mptcp_sock *msk, struct sock *ssk); void mptcp_sockopt_sync_all(struct mptcp_sock *msk); @@ -857,7 +867,7 @@ static inline bool mptcp_check_fallback(const struct sock *sk) static inline void __mptcp_do_fallback(struct mptcp_sock *msk) { if (test_bit(MPTCP_FALLBACK_DONE, &msk->flags)) { - pr_debug("TCP fallback already done (msk=%p)", msk); + pr_debug("TCP fallback already done (msk=%p)\n", msk); return; } set_bit(MPTCP_FALLBACK_DONE, &msk->flags); @@ -871,7 +881,7 @@ static inline void mptcp_do_fallback(struct sock *sk) __mptcp_do_fallback(msk); } -#define pr_fallback(a) pr_debug("%s:fallback to TCP (msk=%p)", __func__, a) +#define pr_fallback(a) pr_debug("%s:fallback to TCP (msk=%p)\n", __func__, a) static inline bool subflow_simultaneous_connect(struct sock *sk) { diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index 36d85af12e..93d2f028fa 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -681,7 +681,7 @@ int mptcp_setsockopt(struct sock *sk, int level, int optname, struct mptcp_sock *msk = mptcp_sk(sk); struct sock *ssk; - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); if (level == SOL_SOCKET) return mptcp_setsockopt_sol_socket(msk, optname, optval, optlen); @@ -799,7 +799,7 @@ int mptcp_getsockopt(struct sock *sk, int level, int optname, struct mptcp_sock *msk = mptcp_sk(sk); struct sock *ssk; - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); /* @@ the meaning of setsockopt() when the socket is connected and * there are multiple subflows is not yet defined. It is up to the diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index ff7239fe3d..d8b33e1075 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -39,7 +39,7 @@ static void subflow_req_destructor(struct request_sock *req) { struct mptcp_subflow_request_sock *subflow_req = mptcp_subflow_rsk(req); - pr_debug("subflow_req=%p", subflow_req); + pr_debug("subflow_req=%p\n", subflow_req); if (subflow_req->msk) sock_put((struct sock *)subflow_req->msk); @@ -97,6 +97,7 @@ static struct mptcp_sock *subflow_token_join_request(struct request_sock *req) return NULL; } subflow_req->local_id = local_id; + subflow_req->request_bkup = mptcp_pm_is_backup(msk, (struct sock_common *)req); return msk; } @@ -128,6 +129,13 @@ static void subflow_add_reset_reason(struct sk_buff *skb, u8 reason) } } +static int subflow_reset_req_endp(struct request_sock *req, struct sk_buff *skb) +{ + SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_MPCAPABLEENDPATTEMPT); + subflow_add_reset_reason(skb, MPTCP_RST_EPROHIBIT); + return -EPERM; +} + /* Init mptcp request socket. * * Returns an error code if a JOIN has failed and a TCP reset @@ -142,7 +150,7 @@ static int subflow_check_req(struct request_sock *req, struct mptcp_options_received mp_opt; bool opt_mp_capable, opt_mp_join; - pr_debug("subflow_req=%p, listener=%p", subflow_req, listener); + pr_debug("subflow_req=%p, listener=%p\n", subflow_req, listener); #ifdef CONFIG_TCP_MD5SIG /* no MPTCP if MD5SIG is enabled on this socket or we may run out of @@ -159,10 +167,17 @@ static int subflow_check_req(struct request_sock *req, if (opt_mp_capable) { SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_MPCAPABLEPASSIVE); + if (unlikely(listener->pm_listener)) + return subflow_reset_req_endp(req, skb); if (opt_mp_join) return 0; } else if (opt_mp_join) { SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINSYNRX); + + if (mp_opt.backup) + SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINSYNBACKUPRX); + } else if (unlikely(listener->pm_listener)) { + return subflow_reset_req_endp(req, skb); } if (opt_mp_capable && listener->request_mptcp) { @@ -212,7 +227,7 @@ static int subflow_check_req(struct request_sock *req, } if (subflow_use_different_sport(subflow_req->msk, sk_listener)) { - pr_debug("syn inet_sport=%d %d", + pr_debug("syn inet_sport=%d %d\n", ntohs(inet_sk(sk_listener)->inet_sport), ntohs(inet_sk((struct sock *)subflow_req->msk)->inet_sport)); if (!mptcp_pm_sport_in_anno_list(subflow_req->msk, sk_listener)) { @@ -231,7 +246,7 @@ static int subflow_check_req(struct request_sock *req, return -EPERM; } - pr_debug("token=%u, remote_nonce=%u msk=%p", subflow_req->token, + pr_debug("token=%u, remote_nonce=%u msk=%p\n", subflow_req->token, subflow_req->remote_nonce, subflow_req->msk); } @@ -405,7 +420,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb) subflow->rel_write_seq = 1; subflow->conn_finished = 1; subflow->ssn_offset = TCP_SKB_CB(skb)->seq; - pr_debug("subflow=%p synack seq=%x", subflow, subflow->ssn_offset); + pr_debug("subflow=%p synack seq=%x\n", subflow, subflow->ssn_offset); mptcp_get_options(skb, &mp_opt); if (subflow->request_mptcp) { @@ -424,7 +439,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb) subflow->mp_capable = 1; subflow->can_ack = 1; subflow->remote_key = mp_opt.sndr_key; - pr_debug("subflow=%p, remote_key=%llu", subflow, + pr_debug("subflow=%p, remote_key=%llu\n", subflow, subflow->remote_key); MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPCAPABLEACTIVEACK); mptcp_finish_connect(sk); @@ -440,7 +455,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb) subflow->backup = mp_opt.backup; subflow->thmac = mp_opt.thmac; subflow->remote_nonce = mp_opt.nonce; - pr_debug("subflow=%p, thmac=%llu, remote_nonce=%u backup=%d", + pr_debug("subflow=%p, thmac=%llu, remote_nonce=%u backup=%d\n", subflow, subflow->thmac, subflow->remote_nonce, subflow->backup); @@ -462,8 +477,11 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb) subflow->mp_join = 1; MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_JOINSYNACKRX); + if (subflow->backup) + MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_JOINSYNACKBACKUPRX); + if (subflow_use_different_dport(mptcp_sk(parent), sk)) { - pr_debug("synack inet_dport=%d %d", + pr_debug("synack inet_dport=%d %d\n", ntohs(inet_sk(sk)->inet_dport), ntohs(inet_sk(parent)->inet_dport)); MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_JOINPORTSYNACKRX); @@ -487,7 +505,7 @@ static int subflow_v4_conn_request(struct sock *sk, struct sk_buff *skb) { struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); - pr_debug("subflow=%p", subflow); + pr_debug("subflow=%p\n", subflow); /* Never answer to SYNs sent to broadcast or multicast */ if (skb_rtable(skb)->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST)) @@ -518,7 +536,7 @@ static int subflow_v6_conn_request(struct sock *sk, struct sk_buff *skb) { struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); - pr_debug("subflow=%p", subflow); + pr_debug("subflow=%p\n", subflow); if (skb->protocol == htons(ETH_P_IP)) return subflow_v4_conn_request(sk, skb); @@ -663,7 +681,7 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk, struct sock *new_msk = NULL; struct sock *child; - pr_debug("listener=%p, req=%p, conn=%p", listener, req, listener->conn); + pr_debug("listener=%p, req=%p, conn=%p\n", listener, req, listener->conn); /* After child creation we must look for MPC even when options * are not parsed @@ -775,7 +793,7 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk, ctx->conn = (struct sock *)owner; if (subflow_use_different_sport(owner, sk)) { - pr_debug("ack inet_sport=%d %d", + pr_debug("ack inet_sport=%d %d\n", ntohs(inet_sk(sk)->inet_sport), ntohs(inet_sk((struct sock *)owner)->inet_sport)); if (!mptcp_pm_sport_in_anno_list(owner, sk)) { @@ -830,7 +848,7 @@ enum mapping_status { static void dbg_bad_map(struct mptcp_subflow_context *subflow, u32 ssn) { - pr_debug("Bad mapping: ssn=%d map_seq=%d map_data_len=%d", + pr_debug("Bad mapping: ssn=%d map_seq=%d map_data_len=%d\n", ssn, subflow->map_subflow_seq, subflow->map_data_len); } @@ -840,7 +858,7 @@ static bool skb_is_fully_mapped(struct sock *ssk, struct sk_buff *skb) unsigned int skb_consumed; skb_consumed = tcp_sk(ssk)->copied_seq - TCP_SKB_CB(skb)->seq; - if (WARN_ON_ONCE(skb_consumed >= skb->len)) + if (unlikely(skb_consumed >= skb->len)) return true; return skb->len - skb_consumed <= subflow->map_data_len - @@ -1002,7 +1020,7 @@ static enum mapping_status get_mapping_status(struct sock *ssk, if (data_len == 1) { bool updated = mptcp_update_rcv_data_fin(msk, mpext->data_seq, mpext->dsn64); - pr_debug("DATA_FIN with no payload seq=%llu", mpext->data_seq); + pr_debug("DATA_FIN with no payload seq=%llu\n", mpext->data_seq); if (subflow->map_valid) { /* A DATA_FIN might arrive in a DSS * option before the previous mapping @@ -1027,7 +1045,7 @@ static enum mapping_status get_mapping_status(struct sock *ssk, data_fin_seq &= GENMASK_ULL(31, 0); mptcp_update_rcv_data_fin(msk, data_fin_seq, mpext->dsn64); - pr_debug("DATA_FIN with mapping seq=%llu dsn64=%d", + pr_debug("DATA_FIN with mapping seq=%llu dsn64=%d\n", data_fin_seq, mpext->dsn64); } @@ -1074,7 +1092,7 @@ static enum mapping_status get_mapping_status(struct sock *ssk, if (unlikely(subflow->map_csum_reqd != csum_reqd)) return MAPPING_INVALID; - pr_debug("new map seq=%llu subflow_seq=%u data_len=%u csum=%d:%u", + pr_debug("new map seq=%llu subflow_seq=%u data_len=%u csum=%d:%u\n", subflow->map_seq, subflow->map_subflow_seq, subflow->map_data_len, subflow->map_csum_reqd, subflow->map_data_csum); @@ -1099,14 +1117,22 @@ static void mptcp_subflow_discard_data(struct sock *ssk, struct sk_buff *skb, { struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); bool fin = TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN; - u32 incr; + struct tcp_sock *tp = tcp_sk(ssk); + u32 offset, incr, avail_len; - incr = limit >= skb->len ? skb->len + fin : limit; + offset = tp->copied_seq - TCP_SKB_CB(skb)->seq; + if (WARN_ON_ONCE(offset > skb->len)) + goto out; - pr_debug("discarding=%d len=%d seq=%d", incr, skb->len, - subflow->map_subflow_seq); + avail_len = skb->len - offset; + incr = limit >= avail_len ? avail_len + fin : limit; + + pr_debug("discarding=%d len=%d offset=%d seq=%d\n", incr, skb->len, + offset, subflow->map_subflow_seq); MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_DUPDATA); tcp_sk(ssk)->copied_seq += incr; + +out: if (!before(tcp_sk(ssk)->copied_seq, TCP_SKB_CB(skb)->end_seq)) sk_eat_skb(ssk, skb); if (mptcp_subflow_get_map_offset(subflow) >= subflow->map_data_len) @@ -1116,12 +1142,16 @@ static void mptcp_subflow_discard_data(struct sock *ssk, struct sk_buff *skb, /* sched mptcp worker to remove the subflow if no more data is pending */ static void subflow_sched_work_if_closed(struct mptcp_sock *msk, struct sock *ssk) { - if (likely(ssk->sk_state != TCP_CLOSE)) + struct sock *sk = (struct sock *)msk; + + if (likely(ssk->sk_state != TCP_CLOSE && + (ssk->sk_state != TCP_CLOSE_WAIT || + inet_sk_state_load(sk) != TCP_ESTABLISHED))) return; if (skb_queue_empty(&ssk->sk_receive_queue) && !test_and_set_bit(MPTCP_WORK_CLOSE_SUBFLOW, &msk->flags)) - mptcp_schedule_work((struct sock *)msk); + mptcp_schedule_work(sk); } static bool subflow_can_fallback(struct mptcp_subflow_context *subflow) @@ -1133,7 +1163,7 @@ static bool subflow_can_fallback(struct mptcp_subflow_context *subflow) else if (READ_ONCE(msk->csum_enabled)) return !subflow->valid_csum_seen; else - return !subflow->fully_established; + return READ_ONCE(msk->allow_infinite_fallback); } static bool subflow_check_data_avail(struct sock *ssk) @@ -1181,7 +1211,7 @@ static bool subflow_check_data_avail(struct sock *ssk) old_ack = READ_ONCE(msk->ack_seq); ack_seq = mptcp_subflow_get_mapped_dsn(subflow); - pr_debug("msk ack_seq=%llx subflow ack_seq=%llx", old_ack, + pr_debug("msk ack_seq=%llx subflow ack_seq=%llx\n", old_ack, ack_seq); if (unlikely(before64(ack_seq, old_ack))) { mptcp_subflow_discard_data(ssk, skb, old_ack - ack_seq); @@ -1200,7 +1230,8 @@ static bool subflow_check_data_avail(struct sock *ssk) fallback: /* RFC 8684 section 3.7. */ if (subflow->send_mp_fail) { - if (mptcp_has_another_subflow(ssk)) { + if (mptcp_has_another_subflow(ssk) || + !READ_ONCE(msk->allow_infinite_fallback)) { while ((skb = skb_peek(&ssk->sk_receive_queue))) sk_eat_skb(ssk, skb); } @@ -1246,7 +1277,7 @@ bool mptcp_subflow_data_available(struct sock *sk) subflow->map_valid = 0; WRITE_ONCE(subflow->data_avail, 0); - pr_debug("Done with mapping: seq=%u data_len=%u", + pr_debug("Done with mapping: seq=%u data_len=%u\n", subflow->map_subflow_seq, subflow->map_data_len); } @@ -1347,7 +1378,7 @@ void mptcpv6_handle_mapped(struct sock *sk, bool mapped) target = mapped ? &subflow_v6m_specific : subflow_default_af_ops(sk); - pr_debug("subflow=%p family=%d ops=%p target=%p mapped=%d", + pr_debug("subflow=%p family=%d ops=%p target=%p mapped=%d\n", subflow, sk->sk_family, icsk->icsk_af_ops, target, mapped); if (likely(icsk->icsk_af_ops == target)) @@ -1444,7 +1475,7 @@ int __mptcp_subflow_connect(struct sock *sk, const struct mptcp_addr_info *loc, goto failed; mptcp_crypto_key_sha(subflow->remote_key, &remote_token, NULL); - pr_debug("msk=%p remote_token=%u local_id=%d remote_id=%d", msk, + pr_debug("msk=%p remote_token=%u local_id=%d remote_id=%d\n", msk, remote_token, local_id, remote_id); subflow->remote_token = remote_token; subflow->local_id = local_id; @@ -1462,6 +1493,7 @@ int __mptcp_subflow_connect(struct sock *sk, const struct mptcp_addr_info *loc, /* discard the subflow socket */ mptcp_sock_graft(ssk, sk->sk_socket); iput(SOCK_INODE(sf)); + WRITE_ONCE(msk->allow_infinite_fallback, false); return err; failed_unlink: @@ -1569,7 +1601,7 @@ int mptcp_subflow_create_socket(struct sock *sk, struct socket **new_sock) SOCK_INODE(sf)->i_gid = SOCK_INODE(sk->sk_socket)->i_gid; subflow = mptcp_subflow_ctx(sf->sk); - pr_debug("subflow=%p", subflow); + pr_debug("subflow=%p\n", subflow); *new_sock = sf; sock_hold(sk); @@ -1593,7 +1625,7 @@ static struct mptcp_subflow_context *subflow_create_ctx(struct sock *sk, INIT_LIST_HEAD(&ctx->node); INIT_LIST_HEAD(&ctx->delegated_node); - pr_debug("subflow=%p", ctx); + pr_debug("subflow=%p\n", ctx); ctx->tcp_sock = sk; @@ -1674,7 +1706,7 @@ static int subflow_ulp_init(struct sock *sk) goto out; } - pr_debug("subflow=%p, family=%d", ctx, sk->sk_family); + pr_debug("subflow=%p, family=%d\n", ctx, sk->sk_family); tp->is_mptcp = 1; ctx->icsk_af_ops = icsk->icsk_af_ops; @@ -1758,6 +1790,7 @@ static void subflow_ulp_clone(const struct request_sock *req, new_ctx->mp_join = 1; new_ctx->fully_established = 1; new_ctx->backup = subflow_req->backup; + new_ctx->request_bkup = subflow_req->request_bkup; new_ctx->local_id = subflow_req->local_id; new_ctx->remote_id = subflow_req->remote_id; new_ctx->token = subflow_req->token; diff --git a/net/ncsi/internal.h b/net/ncsi/internal.h index 374412ed78..ef0f8f7382 100644 --- a/net/ncsi/internal.h +++ b/net/ncsi/internal.h @@ -325,6 +325,7 @@ struct ncsi_dev_priv { spinlock_t lock; /* Protect the NCSI device */ unsigned int package_probe_id;/* Current ID during probe */ unsigned int package_num; /* Number of packages */ + unsigned int channel_probe_id;/* Current cahnnel ID during probe */ struct list_head packages; /* List of packages */ struct ncsi_channel *hot_channel; /* Channel was ever active */ struct ncsi_request requests[256]; /* Request table */ @@ -343,6 +344,7 @@ struct ncsi_dev_priv { bool multi_package; /* Enable multiple packages */ bool mlx_multi_host; /* Enable multi host Mellanox */ u32 package_whitelist; /* Packages to configure */ + unsigned char channel_count; /* Num of channels to probe */ }; struct ncsi_cmd_arg { diff --git a/net/ncsi/ncsi-manage.c b/net/ncsi/ncsi-manage.c index 7121ce2a47..30f5502530 100644 --- a/net/ncsi/ncsi-manage.c +++ b/net/ncsi/ncsi-manage.c @@ -510,17 +510,19 @@ static void ncsi_suspend_channel(struct ncsi_dev_priv *ndp) break; case ncsi_dev_state_suspend_gls: - ndp->pending_req_num = np->channel_num; + ndp->pending_req_num = 1; nca.type = NCSI_PKT_CMD_GLS; nca.package = np->id; + nca.channel = ndp->channel_probe_id; + ret = ncsi_xmit_cmd(&nca); + if (ret) + goto error; + ndp->channel_probe_id++; - nd->state = ncsi_dev_state_suspend_dcnt; - NCSI_FOR_EACH_CHANNEL(np, nc) { - nca.channel = nc->id; - ret = ncsi_xmit_cmd(&nca); - if (ret) - goto error; + if (ndp->channel_probe_id == ndp->channel_count) { + ndp->channel_probe_id = 0; + nd->state = ncsi_dev_state_suspend_dcnt; } break; @@ -689,8 +691,6 @@ static int set_one_vid(struct ncsi_dev_priv *ndp, struct ncsi_channel *nc, return 0; } -#if IS_ENABLED(CONFIG_NCSI_OEM_CMD_KEEP_PHY) - static int ncsi_oem_keep_phy_intel(struct ncsi_cmd_arg *nca) { unsigned char data[NCSI_OEM_INTEL_CMD_KEEP_PHY_LEN]; @@ -716,10 +716,6 @@ static int ncsi_oem_keep_phy_intel(struct ncsi_cmd_arg *nca) return ret; } -#endif - -#if IS_ENABLED(CONFIG_NCSI_OEM_CMD_GET_MAC) - /* NCSI OEM Command APIs */ static int ncsi_oem_gma_handler_bcm(struct ncsi_cmd_arg *nca) { @@ -856,8 +852,6 @@ static int ncsi_gma_handler(struct ncsi_cmd_arg *nca, unsigned int mf_id) return nch->handler(nca); } -#endif /* CONFIG_NCSI_OEM_CMD_GET_MAC */ - /* Determine if a given channel from the channel_queue should be used for Tx */ static bool ncsi_channel_is_tx(struct ncsi_dev_priv *ndp, struct ncsi_channel *nc) @@ -1039,20 +1033,18 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp) goto error; } - nd->state = ncsi_dev_state_config_oem_gma; + nd->state = IS_ENABLED(CONFIG_NCSI_OEM_CMD_GET_MAC) + ? ncsi_dev_state_config_oem_gma + : ncsi_dev_state_config_clear_vids; break; case ncsi_dev_state_config_oem_gma: nd->state = ncsi_dev_state_config_clear_vids; - ret = -1; -#if IS_ENABLED(CONFIG_NCSI_OEM_CMD_GET_MAC) nca.type = NCSI_PKT_CMD_OEM; nca.package = np->id; nca.channel = nc->id; ndp->pending_req_num = 1; ret = ncsi_gma_handler(&nca, nc->version.mf_id); -#endif /* CONFIG_NCSI_OEM_CMD_GET_MAC */ - if (ret < 0) schedule_work(&ndp->work); @@ -1350,7 +1342,6 @@ static void ncsi_probe_channel(struct ncsi_dev_priv *ndp) { struct ncsi_dev *nd = &ndp->ndev; struct ncsi_package *np; - struct ncsi_channel *nc; struct ncsi_cmd_arg nca; unsigned char index; int ret; @@ -1404,7 +1395,6 @@ static void ncsi_probe_channel(struct ncsi_dev_priv *ndp) schedule_work(&ndp->work); break; -#if IS_ENABLED(CONFIG_NCSI_OEM_CMD_GET_MAC) case ncsi_dev_state_probe_mlx_gma: ndp->pending_req_num = 1; @@ -1429,25 +1419,6 @@ static void ncsi_probe_channel(struct ncsi_dev_priv *ndp) nd->state = ncsi_dev_state_probe_cis; break; -#endif /* CONFIG_NCSI_OEM_CMD_GET_MAC */ - case ncsi_dev_state_probe_cis: - ndp->pending_req_num = NCSI_RESERVED_CHANNEL; - - /* Clear initial state */ - nca.type = NCSI_PKT_CMD_CIS; - nca.package = ndp->active_package->id; - for (index = 0; index < NCSI_RESERVED_CHANNEL; index++) { - nca.channel = index; - ret = ncsi_xmit_cmd(&nca); - if (ret) - goto error; - } - - nd->state = ncsi_dev_state_probe_gvi; - if (IS_ENABLED(CONFIG_NCSI_OEM_CMD_KEEP_PHY)) - nd->state = ncsi_dev_state_probe_keep_phy; - break; -#if IS_ENABLED(CONFIG_NCSI_OEM_CMD_KEEP_PHY) case ncsi_dev_state_probe_keep_phy: ndp->pending_req_num = 1; @@ -1460,15 +1431,17 @@ static void ncsi_probe_channel(struct ncsi_dev_priv *ndp) nd->state = ncsi_dev_state_probe_gvi; break; -#endif /* CONFIG_NCSI_OEM_CMD_KEEP_PHY */ + case ncsi_dev_state_probe_cis: case ncsi_dev_state_probe_gvi: case ncsi_dev_state_probe_gc: case ncsi_dev_state_probe_gls: np = ndp->active_package; - ndp->pending_req_num = np->channel_num; + ndp->pending_req_num = 1; - /* Retrieve version, capability or link status */ - if (nd->state == ncsi_dev_state_probe_gvi) + /* Clear initial state Retrieve version, capability or link status */ + if (nd->state == ncsi_dev_state_probe_cis) + nca.type = NCSI_PKT_CMD_CIS; + else if (nd->state == ncsi_dev_state_probe_gvi) nca.type = NCSI_PKT_CMD_GVI; else if (nd->state == ncsi_dev_state_probe_gc) nca.type = NCSI_PKT_CMD_GC; @@ -1476,19 +1449,29 @@ static void ncsi_probe_channel(struct ncsi_dev_priv *ndp) nca.type = NCSI_PKT_CMD_GLS; nca.package = np->id; - NCSI_FOR_EACH_CHANNEL(np, nc) { - nca.channel = nc->id; - ret = ncsi_xmit_cmd(&nca); - if (ret) - goto error; - } + nca.channel = ndp->channel_probe_id; + + ret = ncsi_xmit_cmd(&nca); + if (ret) + goto error; - if (nd->state == ncsi_dev_state_probe_gvi) + if (nd->state == ncsi_dev_state_probe_cis) { + nd->state = ncsi_dev_state_probe_gvi; + if (IS_ENABLED(CONFIG_NCSI_OEM_CMD_KEEP_PHY) && ndp->channel_probe_id == 0) + nd->state = ncsi_dev_state_probe_keep_phy; + } else if (nd->state == ncsi_dev_state_probe_gvi) { nd->state = ncsi_dev_state_probe_gc; - else if (nd->state == ncsi_dev_state_probe_gc) + } else if (nd->state == ncsi_dev_state_probe_gc) { nd->state = ncsi_dev_state_probe_gls; - else + } else { + nd->state = ncsi_dev_state_probe_cis; + ndp->channel_probe_id++; + } + + if (ndp->channel_probe_id == ndp->channel_count) { + ndp->channel_probe_id = 0; nd->state = ncsi_dev_state_probe_dp; + } break; case ncsi_dev_state_probe_dp: ndp->pending_req_num = 1; @@ -1789,6 +1772,7 @@ struct ncsi_dev *ncsi_register_dev(struct net_device *dev, ndp->requests[i].ndp = ndp; timer_setup(&ndp->requests[i].timer, ncsi_request_timeout, 0); } + ndp->channel_count = NCSI_RESERVED_CHANNEL; spin_lock_irqsave(&ncsi_dev_lock, flags); list_add_tail_rcu(&ndp->node, &ncsi_dev_list); @@ -1821,6 +1805,7 @@ int ncsi_start_dev(struct ncsi_dev *nd) if (!(ndp->flags & NCSI_DEV_PROBED)) { ndp->package_probe_id = 0; + ndp->channel_probe_id = 0; nd->state = ncsi_dev_state_probe; schedule_work(&ndp->work); return 0; diff --git a/net/ncsi/ncsi-rsp.c b/net/ncsi/ncsi-rsp.c index 480e80e3c2..f22d67cb04 100644 --- a/net/ncsi/ncsi-rsp.c +++ b/net/ncsi/ncsi-rsp.c @@ -795,12 +795,13 @@ static int ncsi_rsp_handler_gc(struct ncsi_request *nr) struct ncsi_rsp_gc_pkt *rsp; struct ncsi_dev_priv *ndp = nr->ndp; struct ncsi_channel *nc; + struct ncsi_package *np; size_t size; /* Find the channel */ rsp = (struct ncsi_rsp_gc_pkt *)skb_network_header(nr->rsp); ncsi_find_package_and_channel(ndp, rsp->rsp.common.channel, - NULL, &nc); + &np, &nc); if (!nc) return -ENODEV; @@ -835,6 +836,7 @@ static int ncsi_rsp_handler_gc(struct ncsi_request *nr) */ nc->vlan_filter.bitmap = U64_MAX; nc->vlan_filter.n_vids = rsp->vlan_cnt; + np->ndp->channel_count = rsp->channel_cnt; return 0; } diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c index 01cedf416b..f2f6b7325c 100644 --- a/net/netfilter/ipset/ip_set_core.c +++ b/net/netfilter/ipset/ip_set_core.c @@ -53,12 +53,13 @@ MODULE_DESCRIPTION("core IP set support"); MODULE_ALIAS_NFNL_SUBSYS(NFNL_SUBSYS_IPSET); /* When the nfnl mutex or ip_set_ref_lock is held: */ -#define ip_set_dereference(p) \ - rcu_dereference_protected(p, \ +#define ip_set_dereference(inst) \ + rcu_dereference_protected((inst)->ip_set_list, \ lockdep_nfnl_is_held(NFNL_SUBSYS_IPSET) || \ - lockdep_is_held(&ip_set_ref_lock)) + lockdep_is_held(&ip_set_ref_lock) || \ + (inst)->is_deleted) #define ip_set(inst, id) \ - ip_set_dereference((inst)->ip_set_list)[id] + ip_set_dereference(inst)[id] #define ip_set_ref_netlink(inst,id) \ rcu_dereference_raw((inst)->ip_set_list)[id] #define ip_set_dereference_nfnl(p) \ @@ -1135,7 +1136,7 @@ static int ip_set_create(struct sk_buff *skb, const struct nfnl_info *info, if (!list) goto cleanup; /* nfnl mutex is held, both lists are valid */ - tmp = ip_set_dereference(inst->ip_set_list); + tmp = ip_set_dereference(inst); memcpy(list, tmp, sizeof(struct ip_set *) * inst->ip_set_max); rcu_assign_pointer(inst->ip_set_list, list); /* Make sure all current packets have passed through */ @@ -1174,23 +1175,50 @@ ip_set_setname_policy[IPSET_ATTR_CMD_MAX + 1] = { .len = IPSET_MAXNAMELEN - 1 }, }; +/* In order to return quickly when destroying a single set, it is split + * into two stages: + * - Cancel garbage collector + * - Destroy the set itself via call_rcu() + */ + static void -ip_set_destroy_set(struct ip_set *set) +ip_set_destroy_set_rcu(struct rcu_head *head) { - pr_debug("set: %s\n", set->name); + struct ip_set *set = container_of(head, struct ip_set, rcu); - /* Must call it without holding any lock */ set->variant->destroy(set); module_put(set->type->me); kfree(set); } static void -ip_set_destroy_set_rcu(struct rcu_head *head) +_destroy_all_sets(struct ip_set_net *inst) { - struct ip_set *set = container_of(head, struct ip_set, rcu); + struct ip_set *set; + ip_set_id_t i; + bool need_wait = false; - ip_set_destroy_set(set); + /* First cancel gc's: set:list sets are flushed as well */ + for (i = 0; i < inst->ip_set_max; i++) { + set = ip_set(inst, i); + if (set) { + set->variant->cancel_gc(set); + if (set->type->features & IPSET_TYPE_NAME) + need_wait = true; + } + } + /* Must wait for flush to be really finished */ + if (need_wait) + rcu_barrier(); + for (i = 0; i < inst->ip_set_max; i++) { + set = ip_set(inst, i); + if (set) { + ip_set(inst, i) = NULL; + set->variant->destroy(set); + module_put(set->type->me); + kfree(set); + } + } } static int ip_set_destroy(struct sk_buff *skb, const struct nfnl_info *info, @@ -1204,11 +1232,10 @@ static int ip_set_destroy(struct sk_buff *skb, const struct nfnl_info *info, if (unlikely(protocol_min_failed(attr))) return -IPSET_ERR_PROTOCOL; - /* Commands are serialized and references are * protected by the ip_set_ref_lock. * External systems (i.e. xt_set) must call - * ip_set_put|get_nfnl_* functions, that way we + * ip_set_nfnl_get_* functions, that way we * can safely check references here. * * list:set timer can only decrement the reference @@ -1216,8 +1243,6 @@ static int ip_set_destroy(struct sk_buff *skb, const struct nfnl_info *info, * without holding the lock. */ if (!attr[IPSET_ATTR_SETNAME]) { - /* Must wait for flush to be really finished in list:set */ - rcu_barrier(); read_lock_bh(&ip_set_ref_lock); for (i = 0; i < inst->ip_set_max; i++) { s = ip_set(inst, i); @@ -1228,15 +1253,7 @@ static int ip_set_destroy(struct sk_buff *skb, const struct nfnl_info *info, } inst->is_destroyed = true; read_unlock_bh(&ip_set_ref_lock); - for (i = 0; i < inst->ip_set_max; i++) { - s = ip_set(inst, i); - if (s) { - ip_set(inst, i) = NULL; - /* Must cancel garbage collectors */ - s->variant->cancel_gc(s); - ip_set_destroy_set(s); - } - } + _destroy_all_sets(inst); /* Modified by ip_set_destroy() only, which is serialized */ inst->is_destroyed = false; } else { @@ -1257,12 +1274,12 @@ static int ip_set_destroy(struct sk_buff *skb, const struct nfnl_info *info, features = s->type->features; ip_set(inst, i) = NULL; read_unlock_bh(&ip_set_ref_lock); + /* Must cancel garbage collectors */ + s->variant->cancel_gc(s); if (features & IPSET_TYPE_NAME) { /* Must wait for flush to be really finished */ rcu_barrier(); } - /* Must cancel garbage collectors */ - s->variant->cancel_gc(s); call_rcu(&s->rcu, ip_set_destroy_set_rcu); } return 0; @@ -2365,30 +2382,25 @@ ip_set_net_init(struct net *net) } static void __net_exit -ip_set_net_exit(struct net *net) +ip_set_net_pre_exit(struct net *net) { struct ip_set_net *inst = ip_set_pernet(net); - struct ip_set *set = NULL; - ip_set_id_t i; - inst->is_deleted = true; /* flag for ip_set_nfnl_put */ +} - nfnl_lock(NFNL_SUBSYS_IPSET); - for (i = 0; i < inst->ip_set_max; i++) { - set = ip_set(inst, i); - if (set) { - ip_set(inst, i) = NULL; - set->variant->cancel_gc(set); - ip_set_destroy_set(set); - } - } - nfnl_unlock(NFNL_SUBSYS_IPSET); +static void __net_exit +ip_set_net_exit(struct net *net) +{ + struct ip_set_net *inst = ip_set_pernet(net); + + _destroy_all_sets(inst); kvfree(rcu_dereference_protected(inst->ip_set_list, 1)); } static struct pernet_operations ip_set_net_ops = { .init = ip_set_net_init, + .pre_exit = ip_set_net_pre_exit, .exit = ip_set_net_exit, .id = &ip_set_net_id, .size = sizeof(struct ip_set_net), diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c index 6bc7019982..902ff2f3bc 100644 --- a/net/netfilter/ipset/ip_set_list_set.c +++ b/net/netfilter/ipset/ip_set_list_set.c @@ -79,7 +79,7 @@ list_set_kadd(struct ip_set *set, const struct sk_buff *skb, struct set_elem *e; int ret; - list_for_each_entry(e, &map->members, list) { + list_for_each_entry_rcu(e, &map->members, list) { if (SET_WITH_TIMEOUT(set) && ip_set_timeout_expired(ext_timeout(e, set))) continue; @@ -99,7 +99,7 @@ list_set_kdel(struct ip_set *set, const struct sk_buff *skb, struct set_elem *e; int ret; - list_for_each_entry(e, &map->members, list) { + list_for_each_entry_rcu(e, &map->members, list) { if (SET_WITH_TIMEOUT(set) && ip_set_timeout_expired(ext_timeout(e, set))) continue; @@ -188,9 +188,10 @@ list_set_utest(struct ip_set *set, void *value, const struct ip_set_ext *ext, struct list_set *map = set->data; struct set_adt_elem *d = value; struct set_elem *e, *next, *prev = NULL; - int ret; + int ret = 0; - list_for_each_entry(e, &map->members, list) { + rcu_read_lock(); + list_for_each_entry_rcu(e, &map->members, list) { if (SET_WITH_TIMEOUT(set) && ip_set_timeout_expired(ext_timeout(e, set))) continue; @@ -201,6 +202,7 @@ list_set_utest(struct ip_set *set, void *value, const struct ip_set_ext *ext, if (d->before == 0) { ret = 1; + goto out; } else if (d->before > 0) { next = list_next_entry(e, list); ret = !list_is_last(&e->list, &map->members) && @@ -208,9 +210,11 @@ list_set_utest(struct ip_set *set, void *value, const struct ip_set_ext *ext, } else { ret = prev && prev->id == d->refid; } - return ret; + goto out; } - return 0; +out: + rcu_read_unlock(); + return ret; } static void @@ -239,7 +243,7 @@ list_set_uadd(struct ip_set *set, void *value, const struct ip_set_ext *ext, /* Find where to add the new entry */ n = prev = next = NULL; - list_for_each_entry(e, &map->members, list) { + list_for_each_entry_rcu(e, &map->members, list) { if (SET_WITH_TIMEOUT(set) && ip_set_timeout_expired(ext_timeout(e, set))) continue; @@ -316,9 +320,9 @@ list_set_udel(struct ip_set *set, void *value, const struct ip_set_ext *ext, { struct list_set *map = set->data; struct set_adt_elem *d = value; - struct set_elem *e, *next, *prev = NULL; + struct set_elem *e, *n, *next, *prev = NULL; - list_for_each_entry(e, &map->members, list) { + list_for_each_entry_safe(e, n, &map->members, list) { if (SET_WITH_TIMEOUT(set) && ip_set_timeout_expired(ext_timeout(e, set))) continue; @@ -424,14 +428,8 @@ static void list_set_destroy(struct ip_set *set) { struct list_set *map = set->data; - struct set_elem *e, *n; - list_for_each_entry_safe(e, n, &map->members, list) { - list_del(&e->list); - ip_set_put_byindex(map->net, e->id); - ip_set_ext_destroy(set, e); - kfree(e); - } + WARN_ON_ONCE(!list_empty(&map->members)); kfree(map); set->data = NULL; @@ -549,6 +547,9 @@ list_set_cancel_gc(struct ip_set *set) if (SET_WITH_TIMEOUT(set)) del_timer_sync(&map->gc); + + /* Flush list to drop references to other ipsets */ + list_set_flush(set); } static const struct ip_set_type_variant set_variant = { diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c index 1e689c7141..83e4529164 100644 --- a/net/netfilter/ipvs/ip_vs_proto_sctp.c +++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c @@ -126,7 +126,7 @@ sctp_snat_handler(struct sk_buff *skb, struct ip_vs_protocol *pp, if (sctph->source != cp->vport || payload_csum || skb->ip_summed == CHECKSUM_PARTIAL) { sctph->source = cp->vport; - if (!skb_is_gso(skb) || !skb_is_gso_sctp(skb)) + if (!skb_is_gso(skb)) sctp_nat_csum(skb, sctph, sctphoff); } else { skb->ip_summed = CHECKSUM_UNNECESSARY; @@ -175,7 +175,7 @@ sctp_dnat_handler(struct sk_buff *skb, struct ip_vs_protocol *pp, (skb->ip_summed == CHECKSUM_PARTIAL && !(skb_dst(skb)->dev->features & NETIF_F_SCTP_CRC))) { sctph->dest = cp->dport; - if (!skb_is_gso(skb) || !skb_is_gso_sctp(skb)) + if (!skb_is_gso(skb)) sctp_nat_csum(skb, sctph, sctphoff); } else if (skb->ip_summed != CHECKSUM_PARTIAL) { skb->ip_summed = CHECKSUM_UNNECESSARY; diff --git a/net/netfilter/nf_conncount.c b/net/netfilter/nf_conncount.c index 82f36beb2e..0ce12a33ff 100644 --- a/net/netfilter/nf_conncount.c +++ b/net/netfilter/nf_conncount.c @@ -310,7 +310,6 @@ insert_tree(struct net *net, struct nf_conncount_rb *rbconn; struct nf_conncount_tuple *conn; unsigned int count = 0, gc_count = 0; - u8 keylen = data->keylen; bool do_gc = true; spin_lock_bh(&nf_conncount_locks[hash]); @@ -322,7 +321,7 @@ insert_tree(struct net *net, rbconn = rb_entry(*rbnode, struct nf_conncount_rb, node); parent = *rbnode; - diff = key_diff(key, rbconn->key, keylen); + diff = key_diff(key, rbconn->key, data->keylen); if (diff < 0) { rbnode = &((*rbnode)->rb_left); } else if (diff > 0) { @@ -367,7 +366,7 @@ insert_tree(struct net *net, conn->tuple = *tuple; conn->zone = *zone; - memcpy(rbconn->key, key, sizeof(u32) * keylen); + memcpy(rbconn->key, key, sizeof(u32) * data->keylen); nf_conncount_list_init(&rbconn->list); list_add(&conn->node, &rbconn->list.head); @@ -392,7 +391,6 @@ count_tree(struct net *net, struct rb_node *parent; struct nf_conncount_rb *rbconn; unsigned int hash; - u8 keylen = data->keylen; hash = jhash2(key, data->keylen, conncount_rnd) % CONNCOUNT_SLOTS; root = &data->root[hash]; @@ -403,7 +401,7 @@ count_tree(struct net *net, rbconn = rb_entry(parent, struct nf_conncount_rb, node); - diff = key_diff(key, rbconn->key, keylen); + diff = key_diff(key, rbconn->key, data->keylen); if (diff < 0) { parent = rcu_dereference_raw(parent->rb_left); } else if (diff > 0) { diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 1466015bc5..585103c16a 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -370,7 +370,7 @@ static int ctnetlink_dump_secctx(struct sk_buff *skb, const struct nf_conn *ct) #define ctnetlink_dump_secctx(a, b) (0) #endif -#ifdef CONFIG_NF_CONNTRACK_LABELS +#ifdef CONFIG_NF_CONNTRACK_EVENTS static inline int ctnetlink_label_size(const struct nf_conn *ct) { struct nf_conn_labels *labels = nf_ct_labels_find(ct); @@ -379,6 +379,7 @@ static inline int ctnetlink_label_size(const struct nf_conn *ct) return 0; return nla_total_size(sizeof(labels->bits)); } +#endif static int ctnetlink_dump_labels(struct sk_buff *skb, const struct nf_conn *ct) @@ -399,10 +400,6 @@ ctnetlink_dump_labels(struct sk_buff *skb, const struct nf_conn *ct) return 0; } -#else -#define ctnetlink_dump_labels(a, b) (0) -#define ctnetlink_label_size(a) (0) -#endif #define master_tuple(ct) &(ct->master->tuplehash[IP_CT_DIR_ORIGINAL].tuple) @@ -3426,7 +3423,8 @@ static int ctnetlink_del_expect(struct sk_buff *skb, if (cda[CTA_EXPECT_ID]) { __be32 id = nla_get_be32(cda[CTA_EXPECT_ID]); - if (ntohl(id) != (u32)(unsigned long)exp) { + + if (id != nf_expect_get_id(exp)) { nf_ct_expect_put(exp); return -ENOENT; } diff --git a/net/netfilter/nf_flow_table_inet.c b/net/netfilter/nf_flow_table_inet.c index 6783ea220f..7f746acb4b 100644 --- a/net/netfilter/nf_flow_table_inet.c +++ b/net/netfilter/nf_flow_table_inet.c @@ -17,6 +17,9 @@ nf_flow_offload_inet_hook(void *priv, struct sk_buff *skb, switch (skb->protocol) { case htons(ETH_P_8021Q): + if (!pskb_may_pull(skb, skb_mac_offset(skb) + sizeof(*veth))) + return NF_ACCEPT; + veth = (struct vlan_ethhdr *)skb_mac_header(skb); proto = veth->h_vlan_encapsulated_proto; break; diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c index f3227f9316..8fa16be0de 100644 --- a/net/netfilter/nf_flow_table_ip.c +++ b/net/netfilter/nf_flow_table_ip.c @@ -254,6 +254,9 @@ static bool nf_flow_skb_encap_protocol(struct sk_buff *skb, __be16 proto, switch (skb->protocol) { case htons(ETH_P_8021Q): + if (!pskb_may_pull(skb, skb_mac_offset(skb) + sizeof(*veth))) + return false; + veth = (struct vlan_ethhdr *)skb_mac_header(skb); if (veth->h_vlan_encapsulated_proto == proto) { *offset += VLAN_HLEN; diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c index 6ac1ebe174..d8cb304f80 100644 --- a/net/netfilter/nf_flow_table_offload.c +++ b/net/netfilter/nf_flow_table_offload.c @@ -830,8 +830,8 @@ static int nf_flow_offload_tuple(struct nf_flowtable *flowtable, struct list_head *block_cb_list) { struct flow_cls_offload cls_flow = {}; + struct netlink_ext_ack extack = {}; struct flow_block_cb *block_cb; - struct netlink_ext_ack extack; __be16 proto = ETH_P_ALL; int err, i = 0; diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 3999b89793..71a486d9fd 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -628,6 +628,7 @@ static void nft_map_deactivate(const struct nft_ctx *ctx, struct nft_set *set) { struct nft_set_iter iter = { .genmask = nft_genmask_next(ctx->net), + .type = NFT_ITER_UPDATE, .fn = nft_mapelem_deactivate, }; @@ -3049,18 +3050,17 @@ static struct nft_expr *nft_expr_init(const struct nft_ctx *ctx, return ERR_PTR(err); } -int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src) +int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src, gfp_t gfp) { int err; - if (src->ops->clone) { - dst->ops = src->ops; - err = src->ops->clone(dst, src); - if (err < 0) - return err; - } else { - memcpy(dst, src, src->ops->size); - } + if (WARN_ON_ONCE(!src->ops->clone)) + return -EINVAL; + + dst->ops = src->ops; + err = src->ops->clone(dst, src, gfp); + if (err < 0) + return err; __module_get(src->ops->type->owner); @@ -3446,6 +3446,15 @@ static void nf_tables_rule_release(const struct nft_ctx *ctx, struct nft_rule *r nf_tables_rule_destroy(ctx, rule); } +/** nft_chain_validate - loop detection and hook validation + * + * @ctx: context containing call depth and base chain + * @chain: chain to validate + * + * Walk through the rules of the given chain and chase all jumps/gotos + * and set lookups until either the jump limit is hit or all reachable + * chains have been validated. + */ int nft_chain_validate(const struct nft_ctx *ctx, const struct nft_chain *chain) { struct nft_expr *expr, *last; @@ -3464,6 +3473,9 @@ int nft_chain_validate(const struct nft_ctx *ctx, const struct nft_chain *chain) if (!expr->ops->validate) continue; + /* This may call nft_chain_validate() recursively, + * callers that do so must increment ctx->level. + */ err = expr->ops->validate(ctx, expr, &data); if (err < 0) return err; @@ -4141,7 +4153,7 @@ int nf_msecs_to_jiffies64(const struct nlattr *nla, u64 *result) return -ERANGE; ms *= NSEC_PER_MSEC; - *result = nsecs_to_jiffies64(ms); + *result = nsecs_to_jiffies64(ms) ? : !!ms; return 0; } @@ -5062,6 +5074,7 @@ int nf_tables_bind_set(const struct nft_ctx *ctx, struct nft_set *set, } iter.genmask = nft_genmask_next(ctx->net); + iter.type = NFT_ITER_UPDATE; iter.skip = 0; iter.count = 0; iter.err = 0; @@ -5137,6 +5150,7 @@ static void nft_map_activate(const struct nft_ctx *ctx, struct nft_set *set) { struct nft_set_iter iter = { .genmask = nft_genmask_next(ctx->net), + .type = NFT_ITER_UPDATE, .fn = nft_mapelem_activate, }; @@ -5328,8 +5342,7 @@ static int nf_tables_fill_setelem(struct sk_buff *skb, if (nft_set_ext_exists(ext, NFT_SET_EXT_DATA) && nft_data_dump(skb, NFTA_SET_ELEM_DATA, nft_set_ext_data(ext), - set->dtype == NFT_DATA_VERDICT ? NFT_DATA_VERDICT : NFT_DATA_VALUE, - set->dlen) < 0) + nft_set_datatype(set), set->dlen) < 0) goto nla_put_failure; if (nft_set_ext_exists(ext, NFT_SET_EXT_EXPRESSIONS) && @@ -5494,6 +5507,7 @@ static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb) args.cb = cb; args.skb = skb; args.iter.genmask = nft_genmask_cur(net); + args.iter.type = NFT_ITER_READ; args.iter.skip = cb->args[0]; args.iter.count = 0; args.iter.err = 0; @@ -5770,8 +5784,10 @@ static int nf_tables_getsetelem(struct sk_buff *skb, nla_for_each_nested(attr, nla[NFTA_SET_ELEM_LIST_ELEMENTS], rem) { err = nft_get_set_elem(&ctx, set, attr); - if (err < 0) + if (err < 0) { + NL_SET_BAD_ATTR(extack, attr); break; + } } return err; @@ -5954,7 +5970,7 @@ int nft_set_elem_expr_clone(const struct nft_ctx *ctx, struct nft_set *set, if (!expr) goto err_expr; - err = nft_expr_clone(expr, set->exprs[i]); + err = nft_expr_clone(expr, set->exprs[i], GFP_KERNEL_ACCOUNT); if (err < 0) { kfree(expr); goto err_expr; @@ -5982,7 +5998,7 @@ static int nft_set_elem_expr_setup(struct nft_ctx *ctx, for (i = 0; i < num_exprs; i++) { expr = nft_setelem_expr_at(elem_expr, elem_expr->size); - err = nft_expr_clone(expr, expr_array[i]); + err = nft_expr_clone(expr, expr_array[i], GFP_KERNEL_ACCOUNT); if (err < 0) goto err_elem_expr_setup; @@ -6272,17 +6288,23 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set, return err; } else if (set->flags & NFT_SET_TIMEOUT && !(flags & NFT_SET_ELEM_INTERVAL_END)) { - timeout = READ_ONCE(set->timeout); + timeout = set->timeout; } expiration = 0; if (nla[NFTA_SET_ELEM_EXPIRATION] != NULL) { if (!(set->flags & NFT_SET_TIMEOUT)) return -EINVAL; + if (timeout == 0) + return -EOPNOTSUPP; + err = nf_msecs_to_jiffies64(nla[NFTA_SET_ELEM_EXPIRATION], &expiration); if (err) return err; + + if (expiration > timeout) + return -ERANGE; } if (nla[NFTA_SET_ELEM_EXPR]) { @@ -6373,7 +6395,7 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set, if (err < 0) goto err_parse_key_end; - if (timeout != READ_ONCE(set->timeout)) { + if (timeout != set->timeout) { err = nft_set_ext_add(&tmpl, NFT_SET_EXT_TIMEOUT); if (err < 0) goto err_parse_key_end; @@ -6590,8 +6612,10 @@ static int nf_tables_newsetelem(struct sk_buff *skb, nla_for_each_nested(attr, nla[NFTA_SET_ELEM_LIST_ELEMENTS], rem) { err = nft_add_set_elem(&ctx, set, attr, info->nlh->nlmsg_flags); - if (err < 0) + if (err < 0) { + NL_SET_BAD_ATTR(extack, attr); return err; + } } if (nft_net->validate_state == NFT_VALIDATE_DO) @@ -6819,6 +6843,7 @@ static int nft_set_flush(struct nft_ctx *ctx, struct nft_set *set, u8 genmask) { struct nft_set_iter iter = { .genmask = genmask, + .type = NFT_ITER_UPDATE, .fn = nft_setelem_flush, }; @@ -6867,8 +6892,10 @@ static int nf_tables_delsetelem(struct sk_buff *skb, nla_for_each_nested(attr, nla[NFTA_SET_ELEM_LIST_ELEMENTS], rem) { err = nft_del_setelem(&ctx, set, attr); - if (err < 0) + if (err < 0) { + NL_SET_BAD_ATTR(extack, attr); break; + } } return err; } @@ -8407,7 +8434,7 @@ static void nf_tables_flowtable_destroy(struct nft_flowtable *flowtable) flowtable->data.type->setup(&flowtable->data, hook->ops.dev, FLOW_BLOCK_UNBIND); list_del_rcu(&hook->list); - kfree(hook); + kfree_rcu(hook, rcu); } kfree(flowtable->name); module_put(flowtable->data.type->owner); @@ -9180,6 +9207,7 @@ struct nft_trans_gc *nft_trans_gc_catchall_async(struct nft_trans_gc *gc, struct nft_trans_gc *nft_trans_gc_catchall_sync(struct nft_trans_gc *gc) { struct nft_set_elem_catchall *catchall, *next; + u64 tstamp = nft_net_tstamp(gc->net); const struct nft_set *set = gc->set; struct nft_set_elem elem; struct nft_set_ext *ext; @@ -9189,7 +9217,7 @@ struct nft_trans_gc *nft_trans_gc_catchall_sync(struct nft_trans_gc *gc) list_for_each_entry_safe(catchall, next, &set->catchall_list, list) { ext = nft_set_elem_ext(set, catchall->elem); - if (!nft_set_elem_expired(ext)) + if (!__nft_set_elem_expired(ext, tstamp)) continue; gc = nft_trans_gc_queue_sync(gc, GFP_KERNEL); @@ -9941,6 +9969,7 @@ static bool nf_tables_valid_genid(struct net *net, u32 genid) bool genid_ok; mutex_lock(&nft_net->commit_mutex); + nft_net->tstamp = get_jiffies_64(); genid_ok = genid == 0 || nft_net->base_seq == genid; if (!genid_ok) @@ -9993,143 +10022,6 @@ int nft_chain_validate_hooks(const struct nft_chain *chain, } EXPORT_SYMBOL_GPL(nft_chain_validate_hooks); -/* - * Loop detection - walk through the ruleset beginning at the destination chain - * of a new jump until either the source chain is reached (loop) or all - * reachable chains have been traversed. - * - * The loop check is performed whenever a new jump verdict is added to an - * expression or verdict map or a verdict map is bound to a new chain. - */ - -static int nf_tables_check_loops(const struct nft_ctx *ctx, - const struct nft_chain *chain); - -static int nft_check_loops(const struct nft_ctx *ctx, - const struct nft_set_ext *ext) -{ - const struct nft_data *data; - int ret; - - data = nft_set_ext_data(ext); - switch (data->verdict.code) { - case NFT_JUMP: - case NFT_GOTO: - ret = nf_tables_check_loops(ctx, data->verdict.chain); - break; - default: - ret = 0; - break; - } - - return ret; -} - -static int nf_tables_loop_check_setelem(const struct nft_ctx *ctx, - struct nft_set *set, - const struct nft_set_iter *iter, - struct nft_set_elem *elem) -{ - const struct nft_set_ext *ext = nft_set_elem_ext(set, elem->priv); - - if (nft_set_ext_exists(ext, NFT_SET_EXT_FLAGS) && - *nft_set_ext_flags(ext) & NFT_SET_ELEM_INTERVAL_END) - return 0; - - return nft_check_loops(ctx, ext); -} - -static int nft_set_catchall_loops(const struct nft_ctx *ctx, - struct nft_set *set) -{ - u8 genmask = nft_genmask_next(ctx->net); - struct nft_set_elem_catchall *catchall; - struct nft_set_ext *ext; - int ret = 0; - - list_for_each_entry_rcu(catchall, &set->catchall_list, list) { - ext = nft_set_elem_ext(set, catchall->elem); - if (!nft_set_elem_active(ext, genmask)) - continue; - - ret = nft_check_loops(ctx, ext); - if (ret < 0) - return ret; - } - - return ret; -} - -static int nf_tables_check_loops(const struct nft_ctx *ctx, - const struct nft_chain *chain) -{ - const struct nft_rule *rule; - const struct nft_expr *expr, *last; - struct nft_set *set; - struct nft_set_binding *binding; - struct nft_set_iter iter; - - if (ctx->chain == chain) - return -ELOOP; - - list_for_each_entry(rule, &chain->rules, list) { - nft_rule_for_each_expr(expr, last, rule) { - struct nft_immediate_expr *priv; - const struct nft_data *data; - int err; - - if (strcmp(expr->ops->type->name, "immediate")) - continue; - - priv = nft_expr_priv(expr); - if (priv->dreg != NFT_REG_VERDICT) - continue; - - data = &priv->data; - switch (data->verdict.code) { - case NFT_JUMP: - case NFT_GOTO: - err = nf_tables_check_loops(ctx, - data->verdict.chain); - if (err < 0) - return err; - break; - default: - break; - } - } - } - - list_for_each_entry(set, &ctx->table->sets, list) { - if (!nft_is_active_next(ctx->net, set)) - continue; - if (!(set->flags & NFT_SET_MAP) || - set->dtype != NFT_DATA_VERDICT) - continue; - - list_for_each_entry(binding, &set->bindings, list) { - if (!(binding->flags & NFT_SET_MAP) || - binding->chain != chain) - continue; - - iter.genmask = nft_genmask_next(ctx->net); - iter.skip = 0; - iter.count = 0; - iter.err = 0; - iter.fn = nf_tables_loop_check_setelem; - - set->ops->walk(ctx, set, &iter); - if (!iter.err) - iter.err = nft_set_catchall_loops(ctx, set); - - if (iter.err < 0) - return iter.err; - } - } - - return 0; -} - /** * nft_parse_u32_check - fetch u32 attribute and check for maximum value * @@ -10242,13 +10134,16 @@ static int nft_validate_register_store(const struct nft_ctx *ctx, if (data != NULL && (data->verdict.code == NFT_GOTO || data->verdict.code == NFT_JUMP)) { - err = nf_tables_check_loops(ctx, data->verdict.chain); + err = nft_chain_validate(ctx, data->verdict.chain); if (err < 0) return err; } return 0; default: + if (type != NFT_DATA_VALUE) + return -EINVAL; + if (reg < NFT_REG_1 * NFT_REG_SIZE / NFT_REG32_SIZE) return -EINVAL; if (len == 0) @@ -10257,8 +10152,6 @@ static int nft_validate_register_store(const struct nft_ctx *ctx, sizeof_field(struct nft_regs, data)) return -ERANGE; - if (data != NULL && type != NFT_DATA_VALUE) - return -EINVAL; return 0; } } @@ -10659,8 +10552,7 @@ static int nft_rcv_nl_event(struct notifier_block *this, unsigned long event, gc_seq = nft_gc_seq_begin(nft_net); - if (!list_empty(&nf_tables_destroy_list)) - nf_tables_trans_destroy_flush_work(); + nf_tables_trans_destroy_flush_work(); again: list_for_each_entry(table, &nft_net->tables, list) { if (nft_table_has_owner(table) && diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index 89b16d36da..d5f5b93a99 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -640,10 +640,41 @@ static bool nf_ct_drop_unconfirmed(const struct nf_queue_entry *entry) { #if IS_ENABLED(CONFIG_NF_CONNTRACK) static const unsigned long flags = IPS_CONFIRMED | IPS_DYING; - const struct nf_conn *ct = (void *)skb_nfct(entry->skb); + struct nf_conn *ct = (void *)skb_nfct(entry->skb); + unsigned long status; + unsigned int use; - if (ct && ((ct->status & flags) == IPS_DYING)) + if (!ct) + return false; + + status = READ_ONCE(ct->status); + if ((status & flags) == IPS_DYING) return true; + + if (status & IPS_CONFIRMED) + return false; + + /* in some cases skb_clone() can occur after initial conntrack + * pickup, but conntrack assumes exclusive skb->_nfct ownership for + * unconfirmed entries. + * + * This happens for br_netfilter and with ip multicast routing. + * We can't be solved with serialization here because one clone could + * have been queued for local delivery. + */ + use = refcount_read(&ct->ct_general.use); + if (likely(use == 1)) + return false; + + /* Can't decrement further? Exclusive ownership. */ + if (!refcount_dec_not_one(&ct->ct_general.use)) + return false; + + skb_set_nfct(entry->skb, 0); + /* No nf_ct_put(): we already decremented .use and it cannot + * drop down to 0. + */ + return true; #endif return false; } diff --git a/net/netfilter/nft_connlimit.c b/net/netfilter/nft_connlimit.c index f5df535bcb..403fffa14f 100644 --- a/net/netfilter/nft_connlimit.c +++ b/net/netfilter/nft_connlimit.c @@ -209,12 +209,12 @@ static void nft_connlimit_destroy(const struct nft_ctx *ctx, nft_connlimit_do_destroy(ctx, priv); } -static int nft_connlimit_clone(struct nft_expr *dst, const struct nft_expr *src) +static int nft_connlimit_clone(struct nft_expr *dst, const struct nft_expr *src, gfp_t gfp) { struct nft_connlimit *priv_dst = nft_expr_priv(dst); struct nft_connlimit *priv_src = nft_expr_priv(src); - priv_dst->list = kmalloc(sizeof(*priv_dst->list), GFP_ATOMIC); + priv_dst->list = kmalloc(sizeof(*priv_dst->list), gfp); if (!priv_dst->list) return -ENOMEM; diff --git a/net/netfilter/nft_counter.c b/net/netfilter/nft_counter.c index 9f78f8ad4e..30b24d002c 100644 --- a/net/netfilter/nft_counter.c +++ b/net/netfilter/nft_counter.c @@ -106,11 +106,16 @@ static void nft_counter_reset(struct nft_counter_percpu_priv *priv, struct nft_counter *total) { struct nft_counter *this_cpu; + seqcount_t *myseq; local_bh_disable(); this_cpu = this_cpu_ptr(priv->counter); + myseq = this_cpu_ptr(&nft_counter_seq); + + write_seqcount_begin(myseq); this_cpu->packets -= total->packets; this_cpu->bytes -= total->bytes; + write_seqcount_end(myseq); local_bh_enable(); } @@ -225,7 +230,7 @@ static void nft_counter_destroy(const struct nft_ctx *ctx, nft_counter_do_destroy(priv); } -static int nft_counter_clone(struct nft_expr *dst, const struct nft_expr *src) +static int nft_counter_clone(struct nft_expr *dst, const struct nft_expr *src, gfp_t gfp) { struct nft_counter_percpu_priv *priv = nft_expr_priv(src); struct nft_counter_percpu_priv *priv_clone = nft_expr_priv(dst); @@ -235,7 +240,7 @@ static int nft_counter_clone(struct nft_expr *dst, const struct nft_expr *src) nft_counter_fetch(priv, &total); - cpu_stats = alloc_percpu_gfp(struct nft_counter, GFP_ATOMIC); + cpu_stats = alloc_percpu_gfp(struct nft_counter, gfp); if (cpu_stats == NULL) return -ENOMEM; @@ -264,7 +269,7 @@ static void nft_counter_offload_stats(struct nft_expr *expr, struct nft_counter *this_cpu; seqcount_t *myseq; - preempt_disable(); + local_bh_disable(); this_cpu = this_cpu_ptr(priv->counter); myseq = this_cpu_ptr(&nft_counter_seq); @@ -272,7 +277,7 @@ static void nft_counter_offload_stats(struct nft_expr *expr, this_cpu->packets += stats->pkts; this_cpu->bytes += stats->bytes; write_seqcount_end(myseq); - preempt_enable(); + local_bh_enable(); } static struct nft_expr_type nft_counter_type; diff --git a/net/netfilter/nft_dynset.c b/net/netfilter/nft_dynset.c index e714e0efa7..ecdd4a60db 100644 --- a/net/netfilter/nft_dynset.c +++ b/net/netfilter/nft_dynset.c @@ -35,7 +35,7 @@ static int nft_dynset_expr_setup(const struct nft_dynset *priv, for (i = 0; i < priv->num_exprs; i++) { expr = nft_setelem_expr_at(elem_expr, elem_expr->size); - if (nft_expr_clone(expr, priv->expr_array[i]) < 0) + if (nft_expr_clone(expr, priv->expr_array[i], GFP_ATOMIC) < 0) return -1; elem_expr->size += priv->expr_array[i]->ops->size; diff --git a/net/netfilter/nft_last.c b/net/netfilter/nft_last.c index 63145a5e69..0959e5adfe 100644 --- a/net/netfilter/nft_last.c +++ b/net/netfilter/nft_last.c @@ -101,12 +101,12 @@ static void nft_last_destroy(const struct nft_ctx *ctx, kfree(priv->last); } -static int nft_last_clone(struct nft_expr *dst, const struct nft_expr *src) +static int nft_last_clone(struct nft_expr *dst, const struct nft_expr *src, gfp_t gfp) { struct nft_last_priv *priv_dst = nft_expr_priv(dst); struct nft_last_priv *priv_src = nft_expr_priv(src); - priv_dst->last = kzalloc(sizeof(*priv_dst->last), GFP_ATOMIC); + priv_dst->last = kzalloc(sizeof(*priv_dst->last), gfp); if (!priv_dst->last) return -ENOMEM; diff --git a/net/netfilter/nft_limit.c b/net/netfilter/nft_limit.c index b23a671fa9..9f69be2016 100644 --- a/net/netfilter/nft_limit.c +++ b/net/netfilter/nft_limit.c @@ -150,7 +150,7 @@ static void nft_limit_destroy(const struct nft_ctx *ctx, } static int nft_limit_clone(struct nft_limit_priv *priv_dst, - const struct nft_limit_priv *priv_src) + const struct nft_limit_priv *priv_src, gfp_t gfp) { priv_dst->tokens_max = priv_src->tokens_max; priv_dst->rate = priv_src->rate; @@ -158,7 +158,7 @@ static int nft_limit_clone(struct nft_limit_priv *priv_dst, priv_dst->burst = priv_src->burst; priv_dst->invert = priv_src->invert; - priv_dst->limit = kmalloc(sizeof(*priv_dst->limit), GFP_ATOMIC); + priv_dst->limit = kmalloc(sizeof(*priv_dst->limit), gfp); if (!priv_dst->limit) return -ENOMEM; @@ -222,14 +222,15 @@ static void nft_limit_pkts_destroy(const struct nft_ctx *ctx, nft_limit_destroy(ctx, &priv->limit); } -static int nft_limit_pkts_clone(struct nft_expr *dst, const struct nft_expr *src) +static int nft_limit_pkts_clone(struct nft_expr *dst, const struct nft_expr *src, + gfp_t gfp) { struct nft_limit_priv_pkts *priv_dst = nft_expr_priv(dst); struct nft_limit_priv_pkts *priv_src = nft_expr_priv(src); priv_dst->cost = priv_src->cost; - return nft_limit_clone(&priv_dst->limit, &priv_src->limit); + return nft_limit_clone(&priv_dst->limit, &priv_src->limit, gfp); } static struct nft_expr_type nft_limit_type; @@ -279,12 +280,13 @@ static void nft_limit_bytes_destroy(const struct nft_ctx *ctx, nft_limit_destroy(ctx, priv); } -static int nft_limit_bytes_clone(struct nft_expr *dst, const struct nft_expr *src) +static int nft_limit_bytes_clone(struct nft_expr *dst, const struct nft_expr *src, + gfp_t gfp) { struct nft_limit_priv *priv_dst = nft_expr_priv(dst); struct nft_limit_priv *priv_src = nft_expr_priv(src); - return nft_limit_clone(priv_dst, priv_src); + return nft_limit_clone(priv_dst, priv_src, gfp); } static const struct nft_expr_ops nft_limit_bytes_ops = { diff --git a/net/netfilter/nft_lookup.c b/net/netfilter/nft_lookup.c index 9d18c5428d..4db3d02e61 100644 --- a/net/netfilter/nft_lookup.c +++ b/net/netfilter/nft_lookup.c @@ -136,7 +136,8 @@ static int nft_lookup_init(const struct nft_ctx *ctx, return -EINVAL; err = nft_parse_register_store(ctx, tb[NFTA_LOOKUP_DREG], - &priv->dreg, NULL, set->dtype, + &priv->dreg, NULL, + nft_set_datatype(set), set->dlen); if (err < 0) return err; @@ -210,6 +211,7 @@ static int nft_lookup_validate(const struct nft_ctx *ctx, return 0; iter.genmask = nft_genmask_next(ctx->net); + iter.type = NFT_ITER_UPDATE; iter.skip = 0; iter.count = 0; iter.err = 0; diff --git a/net/netfilter/nft_payload.c b/net/netfilter/nft_payload.c index 55237d8a3d..49a1cf5306 100644 --- a/net/netfilter/nft_payload.c +++ b/net/netfilter/nft_payload.c @@ -749,6 +749,9 @@ static void nft_payload_set_eval(const struct nft_expr *expr, ((priv->base != NFT_PAYLOAD_TRANSPORT_HEADER && priv->base != NFT_PAYLOAD_INNER_HEADER) || skb->ip_summed != CHECKSUM_PARTIAL)) { + if (offset + priv->len > skb->len) + goto err; + fsum = skb_checksum(skb, offset, priv->len, 0); tsum = csum_partial(src, priv->len, 0); diff --git a/net/netfilter/nft_quota.c b/net/netfilter/nft_quota.c index 73de40007d..586a6df645 100644 --- a/net/netfilter/nft_quota.c +++ b/net/netfilter/nft_quota.c @@ -232,7 +232,7 @@ static void nft_quota_destroy(const struct nft_ctx *ctx, return nft_quota_do_destroy(ctx, priv); } -static int nft_quota_clone(struct nft_expr *dst, const struct nft_expr *src) +static int nft_quota_clone(struct nft_expr *dst, const struct nft_expr *src, gfp_t gfp) { struct nft_quota *priv_dst = nft_expr_priv(dst); struct nft_quota *priv_src = nft_expr_priv(src); @@ -240,7 +240,7 @@ static int nft_quota_clone(struct nft_expr *dst, const struct nft_expr *src) priv_dst->quota = priv_src->quota; priv_dst->flags = priv_src->flags; - priv_dst->consumed = kmalloc(sizeof(*priv_dst->consumed), GFP_ATOMIC); + priv_dst->consumed = kmalloc(sizeof(*priv_dst->consumed), gfp); if (!priv_dst->consumed) return -ENOMEM; diff --git a/net/netfilter/nft_set_hash.c b/net/netfilter/nft_set_hash.c index 2013de934c..1fd3b41335 100644 --- a/net/netfilter/nft_set_hash.c +++ b/net/netfilter/nft_set_hash.c @@ -35,6 +35,7 @@ struct nft_rhash_cmp_arg { const struct nft_set *set; const u32 *key; u8 genmask; + u64 tstamp; }; static inline u32 nft_rhash_key(const void *data, u32 len, u32 seed) @@ -61,7 +62,7 @@ static inline int nft_rhash_cmp(struct rhashtable_compare_arg *arg, return 1; if (nft_set_elem_is_dead(&he->ext)) return 1; - if (nft_set_elem_expired(&he->ext)) + if (__nft_set_elem_expired(&he->ext, x->tstamp)) return 1; if (!nft_set_elem_active(&he->ext, x->genmask)) return 1; @@ -86,6 +87,7 @@ bool nft_rhash_lookup(const struct net *net, const struct nft_set *set, .genmask = nft_genmask_cur(net), .set = set, .key = key, + .tstamp = get_jiffies_64(), }; he = rhashtable_lookup(&priv->ht, &arg, nft_rhash_params); @@ -104,6 +106,7 @@ static void *nft_rhash_get(const struct net *net, const struct nft_set *set, .genmask = nft_genmask_cur(net), .set = set, .key = elem->key.val.data, + .tstamp = get_jiffies_64(), }; he = rhashtable_lookup(&priv->ht, &arg, nft_rhash_params); @@ -127,6 +130,7 @@ static bool nft_rhash_update(struct nft_set *set, const u32 *key, .genmask = NFT_GENMASK_ANY, .set = set, .key = key, + .tstamp = get_jiffies_64(), }; he = rhashtable_lookup(&priv->ht, &arg, nft_rhash_params); @@ -170,6 +174,7 @@ static int nft_rhash_insert(const struct net *net, const struct nft_set *set, .genmask = nft_genmask_next(net), .set = set, .key = elem->key.val.data, + .tstamp = nft_net_tstamp(net), }; struct nft_rhash_elem *prev; @@ -212,6 +217,7 @@ static void *nft_rhash_deactivate(const struct net *net, .genmask = nft_genmask_next(net), .set = set, .key = elem->key.val.data, + .tstamp = nft_net_tstamp(net), }; rcu_read_lock(); diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c index 2299ced939..8336f2052f 100644 --- a/net/netfilter/nft_set_pipapo.c +++ b/net/netfilter/nft_set_pipapo.c @@ -360,7 +360,7 @@ * Return: -1 on no match, bit position on 'match_only', 0 otherwise. */ int pipapo_refill(unsigned long *map, int len, int rules, unsigned long *dst, - union nft_pipapo_map_bucket *mt, bool match_only) + const union nft_pipapo_map_bucket *mt, bool match_only) { unsigned long bitset; int k, ret = -1; @@ -412,9 +412,9 @@ bool nft_pipapo_lookup(const struct net *net, const struct nft_set *set, struct nft_pipapo_scratch *scratch; unsigned long *res_map, *fill_map; u8 genmask = nft_genmask_cur(net); + const struct nft_pipapo_match *m; + const struct nft_pipapo_field *f; const u8 *rp = (const u8 *)key; - struct nft_pipapo_match *m; - struct nft_pipapo_field *f; bool map_index; int i; @@ -432,7 +432,7 @@ bool nft_pipapo_lookup(const struct net *net, const struct nft_set *set, res_map = scratch->map + (map_index ? m->bsize_max : 0); fill_map = scratch->map + (map_index ? 0 : m->bsize_max); - memset(res_map, 0xff, m->bsize_max * sizeof(*res_map)); + pipapo_resmap_init(m, res_map); nft_pipapo_for_each_field(f, i, m) { bool last = i == m->field_count - 1; @@ -504,6 +504,7 @@ bool nft_pipapo_lookup(const struct net *net, const struct nft_set *set, * @set: nftables API set representation * @data: Key data to be matched against existing elements * @genmask: If set, check that element is active in given genmask + * @tstamp: timestamp to check for expired elements * * This is essentially the same as the lookup function, except that it matches * key data against the uncommitted copy and doesn't use preallocated maps for @@ -513,15 +514,18 @@ bool nft_pipapo_lookup(const struct net *net, const struct nft_set *set, */ static struct nft_pipapo_elem *pipapo_get(const struct net *net, const struct nft_set *set, - const u8 *data, u8 genmask) + const u8 *data, u8 genmask, + u64 tstamp) { struct nft_pipapo_elem *ret = ERR_PTR(-ENOENT); struct nft_pipapo *priv = nft_set_priv(set); - struct nft_pipapo_match *m = priv->clone; unsigned long *res_map, *fill_map = NULL; - struct nft_pipapo_field *f; + const struct nft_pipapo_match *m; + const struct nft_pipapo_field *f; int i; + m = priv->clone; + res_map = kmalloc_array(m->bsize_max, sizeof(*res_map), GFP_ATOMIC); if (!res_map) { ret = ERR_PTR(-ENOMEM); @@ -534,7 +538,7 @@ static struct nft_pipapo_elem *pipapo_get(const struct net *net, goto out; } - memset(res_map, 0xff, m->bsize_max * sizeof(*res_map)); + pipapo_resmap_init(m, res_map); nft_pipapo_for_each_field(f, i, m) { bool last = i == m->field_count - 1; @@ -566,7 +570,7 @@ static struct nft_pipapo_elem *pipapo_get(const struct net *net, goto out; if (last) { - if (nft_set_elem_expired(&f->mt[b].e->ext)) + if (__nft_set_elem_expired(&f->mt[b].e->ext, tstamp)) goto next_match; if ((genmask && !nft_set_elem_active(&f->mt[b].e->ext, genmask))) @@ -603,7 +607,7 @@ static void *nft_pipapo_get(const struct net *net, const struct nft_set *set, const struct nft_set_elem *elem, unsigned int flags) { return pipapo_get(net, set, (const u8 *)elem->key.val.data, - nft_genmask_cur(net)); + nft_genmask_cur(net), get_jiffies_64()); } /** @@ -1197,6 +1201,7 @@ static int nft_pipapo_insert(const struct net *net, const struct nft_set *set, struct nft_pipapo *priv = nft_set_priv(set); struct nft_pipapo_match *m = priv->clone; u8 genmask = nft_genmask_next(net); + u64 tstamp = nft_net_tstamp(net); struct nft_pipapo_field *f; const u8 *start_p, *end_p; int i, bsize_max, err = 0; @@ -1206,7 +1211,7 @@ static int nft_pipapo_insert(const struct net *net, const struct nft_set *set, else end = start; - dup = pipapo_get(net, set, start, genmask); + dup = pipapo_get(net, set, start, genmask, tstamp); if (!IS_ERR(dup)) { /* Check if we already have the same exact entry */ const struct nft_data *dup_key, *dup_end; @@ -1228,7 +1233,7 @@ static int nft_pipapo_insert(const struct net *net, const struct nft_set *set, if (PTR_ERR(dup) == -ENOENT) { /* Look for partially overlapping entries */ - dup = pipapo_get(net, set, end, nft_genmask_next(net)); + dup = pipapo_get(net, set, end, nft_genmask_next(net), tstamp); } if (PTR_ERR(dup) != -ENOENT) { @@ -1581,6 +1586,7 @@ static void pipapo_gc(const struct nft_set *_set, struct nft_pipapo_match *m) struct nft_set *set = (struct nft_set *) _set; struct nft_pipapo *priv = nft_set_priv(set); struct net *net = read_pnet(&set->net); + u64 tstamp = nft_net_tstamp(net); int rules_f0, first_rule = 0; struct nft_pipapo_elem *e; struct nft_trans_gc *gc; @@ -1591,7 +1597,7 @@ static void pipapo_gc(const struct nft_set *_set, struct nft_pipapo_match *m) while ((rules_f0 = pipapo_rules_same_key(m->f, first_rule))) { union nft_pipapo_map_bucket rulemap[NFT_PIPAPO_MAX_FIELDS]; - struct nft_pipapo_field *f; + const struct nft_pipapo_field *f; int i, start, rules_fx; start = first_rule; @@ -1615,7 +1621,7 @@ static void pipapo_gc(const struct nft_set *_set, struct nft_pipapo_match *m) /* synchronous gc never fails, there is no need to set on * NFT_SET_ELEM_DEAD_BIT. */ - if (nft_set_elem_expired(&e->ext)) { + if (__nft_set_elem_expired(&e->ext, tstamp)) { priv->dirty = true; gc = nft_trans_gc_queue_sync(gc, GFP_ATOMIC); @@ -1786,7 +1792,7 @@ static void *pipapo_deactivate(const struct net *net, const struct nft_set *set, { struct nft_pipapo_elem *e; - e = pipapo_get(net, set, data, nft_genmask_next(net)); + e = pipapo_get(net, set, data, nft_genmask_next(net), nft_net_tstamp(net)); if (IS_ERR(e)) return NULL; @@ -2036,13 +2042,15 @@ static void nft_pipapo_walk(const struct nft_ctx *ctx, struct nft_set *set, struct nft_set_iter *iter) { struct nft_pipapo *priv = nft_set_priv(set); - struct net *net = read_pnet(&set->net); - struct nft_pipapo_match *m; - struct nft_pipapo_field *f; + const struct nft_pipapo_match *m; + const struct nft_pipapo_field *f; int i, r; + WARN_ON_ONCE(iter->type != NFT_ITER_READ && + iter->type != NFT_ITER_UPDATE); + rcu_read_lock(); - if (iter->genmask == nft_genmask_cur(net)) + if (iter->type == NFT_ITER_READ) m = rcu_dereference(priv->match); else m = priv->clone; diff --git a/net/netfilter/nft_set_pipapo.h b/net/netfilter/nft_set_pipapo.h index 30a3d092cd..519a2e6dc2 100644 --- a/net/netfilter/nft_set_pipapo.h +++ b/net/netfilter/nft_set_pipapo.h @@ -185,7 +185,7 @@ struct nft_pipapo_elem { }; int pipapo_refill(unsigned long *map, int len, int rules, unsigned long *dst, - union nft_pipapo_map_bucket *mt, bool match_only); + const union nft_pipapo_map_bucket *mt, bool match_only); /** * pipapo_and_field_buckets_4bit() - Intersect 4-bit buckets @@ -193,7 +193,7 @@ int pipapo_refill(unsigned long *map, int len, int rules, unsigned long *dst, * @dst: Area to store result * @data: Input data selecting table buckets */ -static inline void pipapo_and_field_buckets_4bit(struct nft_pipapo_field *f, +static inline void pipapo_and_field_buckets_4bit(const struct nft_pipapo_field *f, unsigned long *dst, const u8 *data) { @@ -221,7 +221,7 @@ static inline void pipapo_and_field_buckets_4bit(struct nft_pipapo_field *f, * @dst: Area to store result * @data: Input data selecting table buckets */ -static inline void pipapo_and_field_buckets_8bit(struct nft_pipapo_field *f, +static inline void pipapo_and_field_buckets_8bit(const struct nft_pipapo_field *f, unsigned long *dst, const u8 *data) { @@ -285,4 +285,25 @@ static u64 pipapo_estimate_size(const struct nft_set_desc *desc) return size; } +/** + * pipapo_resmap_init() - Initialise result map before first use + * @m: Matching data, including mapping table + * @res_map: Result map + * + * Initialize all bits covered by the first field to one, so that after + * the first step, only the matching bits of the first bit group remain. + * + * If other fields have a large bitmap, set remainder of res_map to 0. + */ +static inline void pipapo_resmap_init(const struct nft_pipapo_match *m, unsigned long *res_map) +{ + const struct nft_pipapo_field *f = m->f; + int i; + + for (i = 0; i < f->bsize; i++) + res_map[i] = ULONG_MAX; + + for (i = f->bsize; i < m->bsize_max; i++) + res_map[i] = 0ul; +} #endif /* _NFT_SET_PIPAPO_H */ diff --git a/net/netfilter/nft_set_pipapo_avx2.c b/net/netfilter/nft_set_pipapo_avx2.c index 0d9f8e79eb..dfae90cd34 100644 --- a/net/netfilter/nft_set_pipapo_avx2.c +++ b/net/netfilter/nft_set_pipapo_avx2.c @@ -212,8 +212,9 @@ static int nft_pipapo_avx2_refill(int offset, unsigned long *map, * word index to be checked next (i.e. first filled word). */ static int nft_pipapo_avx2_lookup_4b_2(unsigned long *map, unsigned long *fill, - struct nft_pipapo_field *f, int offset, - const u8 *pkt, bool first, bool last) + const struct nft_pipapo_field *f, + int offset, const u8 *pkt, + bool first, bool last) { int i, ret = -1, m256_size = f->bsize / NFT_PIPAPO_LONGS_PER_M256, b; u8 pg[2] = { pkt[0] >> 4, pkt[0] & 0xf }; @@ -274,8 +275,9 @@ static int nft_pipapo_avx2_lookup_4b_2(unsigned long *map, unsigned long *fill, * word index to be checked next (i.e. first filled word). */ static int nft_pipapo_avx2_lookup_4b_4(unsigned long *map, unsigned long *fill, - struct nft_pipapo_field *f, int offset, - const u8 *pkt, bool first, bool last) + const struct nft_pipapo_field *f, + int offset, const u8 *pkt, + bool first, bool last) { int i, ret = -1, m256_size = f->bsize / NFT_PIPAPO_LONGS_PER_M256, b; u8 pg[4] = { pkt[0] >> 4, pkt[0] & 0xf, pkt[1] >> 4, pkt[1] & 0xf }; @@ -350,8 +352,9 @@ static int nft_pipapo_avx2_lookup_4b_4(unsigned long *map, unsigned long *fill, * word index to be checked next (i.e. first filled word). */ static int nft_pipapo_avx2_lookup_4b_8(unsigned long *map, unsigned long *fill, - struct nft_pipapo_field *f, int offset, - const u8 *pkt, bool first, bool last) + const struct nft_pipapo_field *f, + int offset, const u8 *pkt, + bool first, bool last) { u8 pg[8] = { pkt[0] >> 4, pkt[0] & 0xf, pkt[1] >> 4, pkt[1] & 0xf, pkt[2] >> 4, pkt[2] & 0xf, pkt[3] >> 4, pkt[3] & 0xf, @@ -445,8 +448,9 @@ static int nft_pipapo_avx2_lookup_4b_8(unsigned long *map, unsigned long *fill, * word index to be checked next (i.e. first filled word). */ static int nft_pipapo_avx2_lookup_4b_12(unsigned long *map, unsigned long *fill, - struct nft_pipapo_field *f, int offset, - const u8 *pkt, bool first, bool last) + const struct nft_pipapo_field *f, + int offset, const u8 *pkt, + bool first, bool last) { u8 pg[12] = { pkt[0] >> 4, pkt[0] & 0xf, pkt[1] >> 4, pkt[1] & 0xf, pkt[2] >> 4, pkt[2] & 0xf, pkt[3] >> 4, pkt[3] & 0xf, @@ -534,8 +538,9 @@ static int nft_pipapo_avx2_lookup_4b_12(unsigned long *map, unsigned long *fill, * word index to be checked next (i.e. first filled word). */ static int nft_pipapo_avx2_lookup_4b_32(unsigned long *map, unsigned long *fill, - struct nft_pipapo_field *f, int offset, - const u8 *pkt, bool first, bool last) + const struct nft_pipapo_field *f, + int offset, const u8 *pkt, + bool first, bool last) { u8 pg[32] = { pkt[0] >> 4, pkt[0] & 0xf, pkt[1] >> 4, pkt[1] & 0xf, pkt[2] >> 4, pkt[2] & 0xf, pkt[3] >> 4, pkt[3] & 0xf, @@ -669,8 +674,9 @@ static int nft_pipapo_avx2_lookup_4b_32(unsigned long *map, unsigned long *fill, * word index to be checked next (i.e. first filled word). */ static int nft_pipapo_avx2_lookup_8b_1(unsigned long *map, unsigned long *fill, - struct nft_pipapo_field *f, int offset, - const u8 *pkt, bool first, bool last) + const struct nft_pipapo_field *f, + int offset, const u8 *pkt, + bool first, bool last) { int i, ret = -1, m256_size = f->bsize / NFT_PIPAPO_LONGS_PER_M256, b; unsigned long *lt = f->lt, bsize = f->bsize; @@ -726,8 +732,9 @@ static int nft_pipapo_avx2_lookup_8b_1(unsigned long *map, unsigned long *fill, * word index to be checked next (i.e. first filled word). */ static int nft_pipapo_avx2_lookup_8b_2(unsigned long *map, unsigned long *fill, - struct nft_pipapo_field *f, int offset, - const u8 *pkt, bool first, bool last) + const struct nft_pipapo_field *f, + int offset, const u8 *pkt, + bool first, bool last) { int i, ret = -1, m256_size = f->bsize / NFT_PIPAPO_LONGS_PER_M256, b; unsigned long *lt = f->lt, bsize = f->bsize; @@ -790,8 +797,9 @@ static int nft_pipapo_avx2_lookup_8b_2(unsigned long *map, unsigned long *fill, * word index to be checked next (i.e. first filled word). */ static int nft_pipapo_avx2_lookup_8b_4(unsigned long *map, unsigned long *fill, - struct nft_pipapo_field *f, int offset, - const u8 *pkt, bool first, bool last) + const struct nft_pipapo_field *f, + int offset, const u8 *pkt, + bool first, bool last) { int i, ret = -1, m256_size = f->bsize / NFT_PIPAPO_LONGS_PER_M256, b; unsigned long *lt = f->lt, bsize = f->bsize; @@ -865,8 +873,9 @@ static int nft_pipapo_avx2_lookup_8b_4(unsigned long *map, unsigned long *fill, * word index to be checked next (i.e. first filled word). */ static int nft_pipapo_avx2_lookup_8b_6(unsigned long *map, unsigned long *fill, - struct nft_pipapo_field *f, int offset, - const u8 *pkt, bool first, bool last) + const struct nft_pipapo_field *f, + int offset, const u8 *pkt, + bool first, bool last) { int i, ret = -1, m256_size = f->bsize / NFT_PIPAPO_LONGS_PER_M256, b; unsigned long *lt = f->lt, bsize = f->bsize; @@ -950,8 +959,9 @@ static int nft_pipapo_avx2_lookup_8b_6(unsigned long *map, unsigned long *fill, * word index to be checked next (i.e. first filled word). */ static int nft_pipapo_avx2_lookup_8b_16(unsigned long *map, unsigned long *fill, - struct nft_pipapo_field *f, int offset, - const u8 *pkt, bool first, bool last) + const struct nft_pipapo_field *f, + int offset, const u8 *pkt, + bool first, bool last) { int i, ret = -1, m256_size = f->bsize / NFT_PIPAPO_LONGS_PER_M256, b; unsigned long *lt = f->lt, bsize = f->bsize; @@ -1026,6 +1036,7 @@ static int nft_pipapo_avx2_lookup_8b_16(unsigned long *map, unsigned long *fill, /** * nft_pipapo_avx2_lookup_slow() - Fallback function for uncommon field sizes + * @mdata: Matching data, including mapping table * @map: Previous match result, used as initial bitmap * @fill: Destination bitmap to be filled with current match result * @f: Field, containing lookup and mapping tables @@ -1041,9 +1052,11 @@ static int nft_pipapo_avx2_lookup_8b_16(unsigned long *map, unsigned long *fill, * Return: -1 on no match, rule index of match if @last, otherwise first long * word index to be checked next (i.e. first filled word). */ -static int nft_pipapo_avx2_lookup_slow(unsigned long *map, unsigned long *fill, - struct nft_pipapo_field *f, int offset, - const u8 *pkt, bool first, bool last) +static int nft_pipapo_avx2_lookup_slow(const struct nft_pipapo_match *mdata, + unsigned long *map, unsigned long *fill, + const struct nft_pipapo_field *f, + int offset, const u8 *pkt, + bool first, bool last) { unsigned long *lt = f->lt, bsize = f->bsize; int i, ret = -1, b; @@ -1051,7 +1064,7 @@ static int nft_pipapo_avx2_lookup_slow(unsigned long *map, unsigned long *fill, lt += offset * NFT_PIPAPO_LONGS_PER_M256; if (first) - memset(map, 0xff, bsize * sizeof(*map)); + pipapo_resmap_init(mdata, map); for (i = offset; i < bsize; i++) { if (f->bb == 8) @@ -1121,15 +1134,21 @@ bool nft_pipapo_avx2_lookup(const struct net *net, const struct nft_set *set, struct nft_pipapo *priv = nft_set_priv(set); struct nft_pipapo_scratch *scratch; u8 genmask = nft_genmask_cur(net); + const struct nft_pipapo_match *m; + const struct nft_pipapo_field *f; const u8 *rp = (const u8 *)key; - struct nft_pipapo_match *m; - struct nft_pipapo_field *f; unsigned long *res, *fill; bool map_index; int i, ret = 0; - if (unlikely(!irq_fpu_usable())) - return nft_pipapo_lookup(net, set, key, ext); + local_bh_disable(); + + if (unlikely(!irq_fpu_usable())) { + bool fallback_res = nft_pipapo_lookup(net, set, key, ext); + + local_bh_enable(); + return fallback_res; + } m = rcu_dereference(priv->match); @@ -1144,6 +1163,7 @@ bool nft_pipapo_avx2_lookup(const struct net *net, const struct nft_set *set, scratch = *raw_cpu_ptr(m->scratch); if (unlikely(!scratch)) { kernel_fpu_end(); + local_bh_enable(); return false; } @@ -1177,7 +1197,7 @@ bool nft_pipapo_avx2_lookup(const struct net *net, const struct nft_set *set, } else if (f->groups == 16) { NFT_SET_PIPAPO_AVX2_LOOKUP(8, 16); } else { - ret = nft_pipapo_avx2_lookup_slow(res, fill, f, + ret = nft_pipapo_avx2_lookup_slow(m, res, fill, f, ret, rp, first, last); } @@ -1193,7 +1213,7 @@ bool nft_pipapo_avx2_lookup(const struct net *net, const struct nft_set *set, } else if (f->groups == 32) { NFT_SET_PIPAPO_AVX2_LOOKUP(4, 32); } else { - ret = nft_pipapo_avx2_lookup_slow(res, fill, f, + ret = nft_pipapo_avx2_lookup_slow(m, res, fill, f, ret, rp, first, last); } @@ -1224,6 +1244,7 @@ bool nft_pipapo_avx2_lookup(const struct net *net, const struct nft_set *set, if (i % 2) scratch->map_index = !map_index; kernel_fpu_end(); + local_bh_enable(); return ret >= 0; } diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c index 5bf5572e94..021d9e7612 100644 --- a/net/netfilter/nft_set_rbtree.c +++ b/net/netfilter/nft_set_rbtree.c @@ -314,6 +314,7 @@ static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set, struct nft_rbtree *priv = nft_set_priv(set); u8 cur_genmask = nft_genmask_cur(net); u8 genmask = nft_genmask_next(net); + u64 tstamp = nft_net_tstamp(net); int d; /* Descend the tree to search for an existing element greater than the @@ -361,7 +362,7 @@ static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set, /* perform garbage collection to avoid bogus overlap reports * but skip new elements in this transaction. */ - if (nft_set_elem_expired(&rbe->ext) && + if (__nft_set_elem_expired(&rbe->ext, tstamp) && nft_set_elem_active(&rbe->ext, cur_genmask)) { const struct nft_rbtree_elem *removed_end; @@ -548,6 +549,7 @@ static void *nft_rbtree_deactivate(const struct net *net, const struct rb_node *parent = priv->root.rb_node; struct nft_rbtree_elem *rbe, *this = elem->priv; u8 genmask = nft_genmask_next(net); + u64 tstamp = nft_net_tstamp(net); int d; while (parent != NULL) { @@ -568,7 +570,7 @@ static void *nft_rbtree_deactivate(const struct net *net, nft_rbtree_interval_end(this)) { parent = parent->rb_right; continue; - } else if (nft_set_elem_expired(&rbe->ext)) { + } else if (__nft_set_elem_expired(&rbe->ext, tstamp)) { break; } else if (!nft_set_elem_active(&rbe->ext, genmask)) { parent = parent->rb_left; diff --git a/net/netfilter/nft_socket.c b/net/netfilter/nft_socket.c index 3c444fcb20..3cbfb6ba32 100644 --- a/net/netfilter/nft_socket.c +++ b/net/netfilter/nft_socket.c @@ -108,13 +108,13 @@ static void nft_socket_eval(const struct nft_expr *expr, *dest = sk->sk_mark; } else { regs->verdict.code = NFT_BREAK; - return; + goto out_put_sk; } break; case NFT_SOCKET_WILDCARD: if (!sk_fullsock(sk)) { regs->verdict.code = NFT_BREAK; - return; + goto out_put_sk; } nft_socket_wildcard(pkt, regs, sk, dest); break; @@ -122,7 +122,7 @@ static void nft_socket_eval(const struct nft_expr *expr, case NFT_SOCKET_CGROUPV2: if (!nft_sock_get_eval_cgroupv2(dest, sk, pkt, priv->level)) { regs->verdict.code = NFT_BREAK; - return; + goto out_put_sk; } break; #endif @@ -131,6 +131,7 @@ static void nft_socket_eval(const struct nft_expr *expr, regs->verdict.code = NFT_BREAK; } +out_put_sk: if (sk != skb->sk) sock_gen_put(sk); } diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index 25524e3933..9a57921776 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -1268,7 +1268,7 @@ struct xt_table *xt_find_table_lock(struct net *net, u_int8_t af, /* and once again: */ list_for_each_entry(t, &xt_net->tables[af], list) - if (strcmp(t->name, name) == 0) + if (strcmp(t->name, name) == 0 && owner == t->me) return t; module_put(owner); diff --git a/net/netfilter/xt_CHECKSUM.c b/net/netfilter/xt_CHECKSUM.c index c8a639f561..9d99f5a3d1 100644 --- a/net/netfilter/xt_CHECKSUM.c +++ b/net/netfilter/xt_CHECKSUM.c @@ -63,24 +63,37 @@ static int checksum_tg_check(const struct xt_tgchk_param *par) return 0; } -static struct xt_target checksum_tg_reg __read_mostly = { - .name = "CHECKSUM", - .family = NFPROTO_UNSPEC, - .target = checksum_tg, - .targetsize = sizeof(struct xt_CHECKSUM_info), - .table = "mangle", - .checkentry = checksum_tg_check, - .me = THIS_MODULE, +static struct xt_target checksum_tg_reg[] __read_mostly = { + { + .name = "CHECKSUM", + .family = NFPROTO_IPV4, + .target = checksum_tg, + .targetsize = sizeof(struct xt_CHECKSUM_info), + .table = "mangle", + .checkentry = checksum_tg_check, + .me = THIS_MODULE, + }, +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) + { + .name = "CHECKSUM", + .family = NFPROTO_IPV6, + .target = checksum_tg, + .targetsize = sizeof(struct xt_CHECKSUM_info), + .table = "mangle", + .checkentry = checksum_tg_check, + .me = THIS_MODULE, + }, +#endif }; static int __init checksum_tg_init(void) { - return xt_register_target(&checksum_tg_reg); + return xt_register_targets(checksum_tg_reg, ARRAY_SIZE(checksum_tg_reg)); } static void __exit checksum_tg_exit(void) { - xt_unregister_target(&checksum_tg_reg); + xt_unregister_targets(checksum_tg_reg, ARRAY_SIZE(checksum_tg_reg)); } module_init(checksum_tg_init); diff --git a/net/netfilter/xt_CLASSIFY.c b/net/netfilter/xt_CLASSIFY.c index 0accac98de..0ae8d8a121 100644 --- a/net/netfilter/xt_CLASSIFY.c +++ b/net/netfilter/xt_CLASSIFY.c @@ -38,9 +38,9 @@ static struct xt_target classify_tg_reg[] __read_mostly = { { .name = "CLASSIFY", .revision = 0, - .family = NFPROTO_UNSPEC, + .family = NFPROTO_IPV4, .hooks = (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_FORWARD) | - (1 << NF_INET_POST_ROUTING), + (1 << NF_INET_POST_ROUTING), .target = classify_tg, .targetsize = sizeof(struct xt_classify_target_info), .me = THIS_MODULE, @@ -54,6 +54,18 @@ static struct xt_target classify_tg_reg[] __read_mostly = { .targetsize = sizeof(struct xt_classify_target_info), .me = THIS_MODULE, }, +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) + { + .name = "CLASSIFY", + .revision = 0, + .family = NFPROTO_IPV6, + .hooks = (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_FORWARD) | + (1 << NF_INET_POST_ROUTING), + .target = classify_tg, + .targetsize = sizeof(struct xt_classify_target_info), + .me = THIS_MODULE, + }, +#endif }; static int __init classify_tg_init(void) diff --git a/net/netfilter/xt_CONNSECMARK.c b/net/netfilter/xt_CONNSECMARK.c index 76acecf3e7..1494b3ee30 100644 --- a/net/netfilter/xt_CONNSECMARK.c +++ b/net/netfilter/xt_CONNSECMARK.c @@ -114,25 +114,39 @@ static void connsecmark_tg_destroy(const struct xt_tgdtor_param *par) nf_ct_netns_put(par->net, par->family); } -static struct xt_target connsecmark_tg_reg __read_mostly = { - .name = "CONNSECMARK", - .revision = 0, - .family = NFPROTO_UNSPEC, - .checkentry = connsecmark_tg_check, - .destroy = connsecmark_tg_destroy, - .target = connsecmark_tg, - .targetsize = sizeof(struct xt_connsecmark_target_info), - .me = THIS_MODULE, +static struct xt_target connsecmark_tg_reg[] __read_mostly = { + { + .name = "CONNSECMARK", + .revision = 0, + .family = NFPROTO_IPV4, + .checkentry = connsecmark_tg_check, + .destroy = connsecmark_tg_destroy, + .target = connsecmark_tg, + .targetsize = sizeof(struct xt_connsecmark_target_info), + .me = THIS_MODULE, + }, +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) + { + .name = "CONNSECMARK", + .revision = 0, + .family = NFPROTO_IPV6, + .checkentry = connsecmark_tg_check, + .destroy = connsecmark_tg_destroy, + .target = connsecmark_tg, + .targetsize = sizeof(struct xt_connsecmark_target_info), + .me = THIS_MODULE, + }, +#endif }; static int __init connsecmark_tg_init(void) { - return xt_register_target(&connsecmark_tg_reg); + return xt_register_targets(connsecmark_tg_reg, ARRAY_SIZE(connsecmark_tg_reg)); } static void __exit connsecmark_tg_exit(void) { - xt_unregister_target(&connsecmark_tg_reg); + xt_unregister_targets(connsecmark_tg_reg, ARRAY_SIZE(connsecmark_tg_reg)); } module_init(connsecmark_tg_init); diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c index 267757b039..5d19cb059b 100644 --- a/net/netfilter/xt_CT.c +++ b/net/netfilter/xt_CT.c @@ -300,10 +300,30 @@ static void xt_ct_tg_destroy_v1(const struct xt_tgdtor_param *par) xt_ct_tg_destroy(par, par->targinfo); } +static unsigned int +notrack_tg(struct sk_buff *skb, const struct xt_action_param *par) +{ + /* Previously seen (loopback)? Ignore. */ + if (skb->_nfct != 0) + return XT_CONTINUE; + + nf_ct_set(skb, NULL, IP_CT_UNTRACKED); + + return XT_CONTINUE; +} + static struct xt_target xt_ct_tg_reg[] __read_mostly = { + { + .name = "NOTRACK", + .revision = 0, + .family = NFPROTO_IPV4, + .target = notrack_tg, + .table = "raw", + .me = THIS_MODULE, + }, { .name = "CT", - .family = NFPROTO_UNSPEC, + .family = NFPROTO_IPV4, .targetsize = sizeof(struct xt_ct_target_info), .usersize = offsetof(struct xt_ct_target_info, ct), .checkentry = xt_ct_tg_check_v0, @@ -314,7 +334,7 @@ static struct xt_target xt_ct_tg_reg[] __read_mostly = { }, { .name = "CT", - .family = NFPROTO_UNSPEC, + .family = NFPROTO_IPV4, .revision = 1, .targetsize = sizeof(struct xt_ct_target_info_v1), .usersize = offsetof(struct xt_ct_target_info, ct), @@ -326,7 +346,7 @@ static struct xt_target xt_ct_tg_reg[] __read_mostly = { }, { .name = "CT", - .family = NFPROTO_UNSPEC, + .family = NFPROTO_IPV4, .revision = 2, .targetsize = sizeof(struct xt_ct_target_info_v1), .usersize = offsetof(struct xt_ct_target_info, ct), @@ -336,49 +356,61 @@ static struct xt_target xt_ct_tg_reg[] __read_mostly = { .table = "raw", .me = THIS_MODULE, }, -}; - -static unsigned int -notrack_tg(struct sk_buff *skb, const struct xt_action_param *par) -{ - /* Previously seen (loopback)? Ignore. */ - if (skb->_nfct != 0) - return XT_CONTINUE; - - nf_ct_set(skb, NULL, IP_CT_UNTRACKED); - - return XT_CONTINUE; -} - -static struct xt_target notrack_tg_reg __read_mostly = { - .name = "NOTRACK", - .revision = 0, - .family = NFPROTO_UNSPEC, - .target = notrack_tg, - .table = "raw", - .me = THIS_MODULE, +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) + { + .name = "NOTRACK", + .revision = 0, + .family = NFPROTO_IPV6, + .target = notrack_tg, + .table = "raw", + .me = THIS_MODULE, + }, + { + .name = "CT", + .family = NFPROTO_IPV6, + .targetsize = sizeof(struct xt_ct_target_info), + .usersize = offsetof(struct xt_ct_target_info, ct), + .checkentry = xt_ct_tg_check_v0, + .destroy = xt_ct_tg_destroy_v0, + .target = xt_ct_target_v0, + .table = "raw", + .me = THIS_MODULE, + }, + { + .name = "CT", + .family = NFPROTO_IPV6, + .revision = 1, + .targetsize = sizeof(struct xt_ct_target_info_v1), + .usersize = offsetof(struct xt_ct_target_info, ct), + .checkentry = xt_ct_tg_check_v1, + .destroy = xt_ct_tg_destroy_v1, + .target = xt_ct_target_v1, + .table = "raw", + .me = THIS_MODULE, + }, + { + .name = "CT", + .family = NFPROTO_IPV6, + .revision = 2, + .targetsize = sizeof(struct xt_ct_target_info_v1), + .usersize = offsetof(struct xt_ct_target_info, ct), + .checkentry = xt_ct_tg_check_v2, + .destroy = xt_ct_tg_destroy_v1, + .target = xt_ct_target_v1, + .table = "raw", + .me = THIS_MODULE, + }, +#endif }; static int __init xt_ct_tg_init(void) { - int ret; - - ret = xt_register_target(¬rack_tg_reg); - if (ret < 0) - return ret; - - ret = xt_register_targets(xt_ct_tg_reg, ARRAY_SIZE(xt_ct_tg_reg)); - if (ret < 0) { - xt_unregister_target(¬rack_tg_reg); - return ret; - } - return 0; + return xt_register_targets(xt_ct_tg_reg, ARRAY_SIZE(xt_ct_tg_reg)); } static void __exit xt_ct_tg_exit(void) { xt_unregister_targets(xt_ct_tg_reg, ARRAY_SIZE(xt_ct_tg_reg)); - xt_unregister_target(¬rack_tg_reg); } module_init(xt_ct_tg_init); diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c index 2f7cf5eceb..a097686adb 100644 --- a/net/netfilter/xt_IDLETIMER.c +++ b/net/netfilter/xt_IDLETIMER.c @@ -458,28 +458,49 @@ static void idletimer_tg_destroy_v1(const struct xt_tgdtor_param *par) static struct xt_target idletimer_tg[] __read_mostly = { { - .name = "IDLETIMER", - .family = NFPROTO_UNSPEC, - .target = idletimer_tg_target, - .targetsize = sizeof(struct idletimer_tg_info), - .usersize = offsetof(struct idletimer_tg_info, timer), - .checkentry = idletimer_tg_checkentry, - .destroy = idletimer_tg_destroy, - .me = THIS_MODULE, + .name = "IDLETIMER", + .family = NFPROTO_IPV4, + .target = idletimer_tg_target, + .targetsize = sizeof(struct idletimer_tg_info), + .usersize = offsetof(struct idletimer_tg_info, timer), + .checkentry = idletimer_tg_checkentry, + .destroy = idletimer_tg_destroy, + .me = THIS_MODULE, }, { - .name = "IDLETIMER", - .family = NFPROTO_UNSPEC, - .revision = 1, - .target = idletimer_tg_target_v1, - .targetsize = sizeof(struct idletimer_tg_info_v1), - .usersize = offsetof(struct idletimer_tg_info_v1, timer), - .checkentry = idletimer_tg_checkentry_v1, - .destroy = idletimer_tg_destroy_v1, - .me = THIS_MODULE, + .name = "IDLETIMER", + .family = NFPROTO_IPV4, + .revision = 1, + .target = idletimer_tg_target_v1, + .targetsize = sizeof(struct idletimer_tg_info_v1), + .usersize = offsetof(struct idletimer_tg_info_v1, timer), + .checkentry = idletimer_tg_checkentry_v1, + .destroy = idletimer_tg_destroy_v1, + .me = THIS_MODULE, }, - - +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) + { + .name = "IDLETIMER", + .family = NFPROTO_IPV6, + .target = idletimer_tg_target, + .targetsize = sizeof(struct idletimer_tg_info), + .usersize = offsetof(struct idletimer_tg_info, timer), + .checkentry = idletimer_tg_checkentry, + .destroy = idletimer_tg_destroy, + .me = THIS_MODULE, + }, + { + .name = "IDLETIMER", + .family = NFPROTO_IPV6, + .revision = 1, + .target = idletimer_tg_target_v1, + .targetsize = sizeof(struct idletimer_tg_info_v1), + .usersize = offsetof(struct idletimer_tg_info_v1, timer), + .checkentry = idletimer_tg_checkentry_v1, + .destroy = idletimer_tg_destroy_v1, + .me = THIS_MODULE, + }, +#endif }; static struct class *idletimer_tg_class; diff --git a/net/netfilter/xt_LED.c b/net/netfilter/xt_LED.c index 0371c387b0..211bfa2a2a 100644 --- a/net/netfilter/xt_LED.c +++ b/net/netfilter/xt_LED.c @@ -176,26 +176,41 @@ static void led_tg_destroy(const struct xt_tgdtor_param *par) kfree(ledinternal); } -static struct xt_target led_tg_reg __read_mostly = { - .name = "LED", - .revision = 0, - .family = NFPROTO_UNSPEC, - .target = led_tg, - .targetsize = sizeof(struct xt_led_info), - .usersize = offsetof(struct xt_led_info, internal_data), - .checkentry = led_tg_check, - .destroy = led_tg_destroy, - .me = THIS_MODULE, +static struct xt_target led_tg_reg[] __read_mostly = { + { + .name = "LED", + .revision = 0, + .family = NFPROTO_IPV4, + .target = led_tg, + .targetsize = sizeof(struct xt_led_info), + .usersize = offsetof(struct xt_led_info, internal_data), + .checkentry = led_tg_check, + .destroy = led_tg_destroy, + .me = THIS_MODULE, + }, +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) + { + .name = "LED", + .revision = 0, + .family = NFPROTO_IPV6, + .target = led_tg, + .targetsize = sizeof(struct xt_led_info), + .usersize = offsetof(struct xt_led_info, internal_data), + .checkentry = led_tg_check, + .destroy = led_tg_destroy, + .me = THIS_MODULE, + }, +#endif }; static int __init led_tg_init(void) { - return xt_register_target(&led_tg_reg); + return xt_register_targets(led_tg_reg, ARRAY_SIZE(led_tg_reg)); } static void __exit led_tg_exit(void) { - xt_unregister_target(&led_tg_reg); + xt_unregister_targets(led_tg_reg, ARRAY_SIZE(led_tg_reg)); } module_init(led_tg_init); diff --git a/net/netfilter/xt_NFLOG.c b/net/netfilter/xt_NFLOG.c index e660c3710a..6dcf4bc7e3 100644 --- a/net/netfilter/xt_NFLOG.c +++ b/net/netfilter/xt_NFLOG.c @@ -64,25 +64,39 @@ static void nflog_tg_destroy(const struct xt_tgdtor_param *par) nf_logger_put(par->family, NF_LOG_TYPE_ULOG); } -static struct xt_target nflog_tg_reg __read_mostly = { - .name = "NFLOG", - .revision = 0, - .family = NFPROTO_UNSPEC, - .checkentry = nflog_tg_check, - .destroy = nflog_tg_destroy, - .target = nflog_tg, - .targetsize = sizeof(struct xt_nflog_info), - .me = THIS_MODULE, +static struct xt_target nflog_tg_reg[] __read_mostly = { + { + .name = "NFLOG", + .revision = 0, + .family = NFPROTO_IPV4, + .checkentry = nflog_tg_check, + .destroy = nflog_tg_destroy, + .target = nflog_tg, + .targetsize = sizeof(struct xt_nflog_info), + .me = THIS_MODULE, + }, +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) + { + .name = "NFLOG", + .revision = 0, + .family = NFPROTO_IPV6, + .checkentry = nflog_tg_check, + .destroy = nflog_tg_destroy, + .target = nflog_tg, + .targetsize = sizeof(struct xt_nflog_info), + .me = THIS_MODULE, + }, +#endif }; static int __init nflog_tg_init(void) { - return xt_register_target(&nflog_tg_reg); + return xt_register_targets(nflog_tg_reg, ARRAY_SIZE(nflog_tg_reg)); } static void __exit nflog_tg_exit(void) { - xt_unregister_target(&nflog_tg_reg); + xt_unregister_targets(nflog_tg_reg, ARRAY_SIZE(nflog_tg_reg)); } module_init(nflog_tg_init); diff --git a/net/netfilter/xt_RATEEST.c b/net/netfilter/xt_RATEEST.c index 0d5c422f87..e6b9a7d4bd 100644 --- a/net/netfilter/xt_RATEEST.c +++ b/net/netfilter/xt_RATEEST.c @@ -178,16 +178,31 @@ static void xt_rateest_tg_destroy(const struct xt_tgdtor_param *par) xt_rateest_put(par->net, info->est); } -static struct xt_target xt_rateest_tg_reg __read_mostly = { - .name = "RATEEST", - .revision = 0, - .family = NFPROTO_UNSPEC, - .target = xt_rateest_tg, - .checkentry = xt_rateest_tg_checkentry, - .destroy = xt_rateest_tg_destroy, - .targetsize = sizeof(struct xt_rateest_target_info), - .usersize = offsetof(struct xt_rateest_target_info, est), - .me = THIS_MODULE, +static struct xt_target xt_rateest_tg_reg[] __read_mostly = { + { + .name = "RATEEST", + .revision = 0, + .family = NFPROTO_IPV4, + .target = xt_rateest_tg, + .checkentry = xt_rateest_tg_checkentry, + .destroy = xt_rateest_tg_destroy, + .targetsize = sizeof(struct xt_rateest_target_info), + .usersize = offsetof(struct xt_rateest_target_info, est), + .me = THIS_MODULE, + }, +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) + { + .name = "RATEEST", + .revision = 0, + .family = NFPROTO_IPV6, + .target = xt_rateest_tg, + .checkentry = xt_rateest_tg_checkentry, + .destroy = xt_rateest_tg_destroy, + .targetsize = sizeof(struct xt_rateest_target_info), + .usersize = offsetof(struct xt_rateest_target_info, est), + .me = THIS_MODULE, + }, +#endif }; static __net_init int xt_rateest_net_init(struct net *net) @@ -213,12 +228,12 @@ static int __init xt_rateest_tg_init(void) if (err) return err; - return xt_register_target(&xt_rateest_tg_reg); + return xt_register_targets(xt_rateest_tg_reg, ARRAY_SIZE(xt_rateest_tg_reg)); } static void __exit xt_rateest_tg_fini(void) { - xt_unregister_target(&xt_rateest_tg_reg); + xt_unregister_targets(xt_rateest_tg_reg, ARRAY_SIZE(xt_rateest_tg_reg)); unregister_pernet_subsys(&xt_rateest_net_ops); } diff --git a/net/netfilter/xt_SECMARK.c b/net/netfilter/xt_SECMARK.c index 498a0bf6f0..5bc5ea505e 100644 --- a/net/netfilter/xt_SECMARK.c +++ b/net/netfilter/xt_SECMARK.c @@ -157,7 +157,7 @@ static struct xt_target secmark_tg_reg[] __read_mostly = { { .name = "SECMARK", .revision = 0, - .family = NFPROTO_UNSPEC, + .family = NFPROTO_IPV4, .checkentry = secmark_tg_check_v0, .destroy = secmark_tg_destroy, .target = secmark_tg_v0, @@ -167,7 +167,7 @@ static struct xt_target secmark_tg_reg[] __read_mostly = { { .name = "SECMARK", .revision = 1, - .family = NFPROTO_UNSPEC, + .family = NFPROTO_IPV4, .checkentry = secmark_tg_check_v1, .destroy = secmark_tg_destroy, .target = secmark_tg_v1, @@ -175,6 +175,29 @@ static struct xt_target secmark_tg_reg[] __read_mostly = { .usersize = offsetof(struct xt_secmark_target_info_v1, secid), .me = THIS_MODULE, }, +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) + { + .name = "SECMARK", + .revision = 0, + .family = NFPROTO_IPV6, + .checkentry = secmark_tg_check_v0, + .destroy = secmark_tg_destroy, + .target = secmark_tg_v0, + .targetsize = sizeof(struct xt_secmark_target_info), + .me = THIS_MODULE, + }, + { + .name = "SECMARK", + .revision = 1, + .family = NFPROTO_IPV6, + .checkentry = secmark_tg_check_v1, + .destroy = secmark_tg_destroy, + .target = secmark_tg_v1, + .targetsize = sizeof(struct xt_secmark_target_info_v1), + .usersize = offsetof(struct xt_secmark_target_info_v1, secid), + .me = THIS_MODULE, + }, +#endif }; static int __init secmark_tg_init(void) diff --git a/net/netfilter/xt_TRACE.c b/net/netfilter/xt_TRACE.c index 5582dce98c..a642ff09fc 100644 --- a/net/netfilter/xt_TRACE.c +++ b/net/netfilter/xt_TRACE.c @@ -29,25 +29,39 @@ trace_tg(struct sk_buff *skb, const struct xt_action_param *par) return XT_CONTINUE; } -static struct xt_target trace_tg_reg __read_mostly = { - .name = "TRACE", - .revision = 0, - .family = NFPROTO_UNSPEC, - .table = "raw", - .target = trace_tg, - .checkentry = trace_tg_check, - .destroy = trace_tg_destroy, - .me = THIS_MODULE, +static struct xt_target trace_tg_reg[] __read_mostly = { + { + .name = "TRACE", + .revision = 0, + .family = NFPROTO_IPV4, + .table = "raw", + .target = trace_tg, + .checkentry = trace_tg_check, + .destroy = trace_tg_destroy, + .me = THIS_MODULE, + }, +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) + { + .name = "TRACE", + .revision = 0, + .family = NFPROTO_IPV6, + .table = "raw", + .target = trace_tg, + .checkentry = trace_tg_check, + .destroy = trace_tg_destroy, + .me = THIS_MODULE, + }, +#endif }; static int __init trace_tg_init(void) { - return xt_register_target(&trace_tg_reg); + return xt_register_targets(trace_tg_reg, ARRAY_SIZE(trace_tg_reg)); } static void __exit trace_tg_exit(void) { - xt_unregister_target(&trace_tg_reg); + xt_unregister_targets(trace_tg_reg, ARRAY_SIZE(trace_tg_reg)); } module_init(trace_tg_init); diff --git a/net/netfilter/xt_addrtype.c b/net/netfilter/xt_addrtype.c index e9b2181e8c..a770889431 100644 --- a/net/netfilter/xt_addrtype.c +++ b/net/netfilter/xt_addrtype.c @@ -208,13 +208,24 @@ static struct xt_match addrtype_mt_reg[] __read_mostly = { }, { .name = "addrtype", - .family = NFPROTO_UNSPEC, + .family = NFPROTO_IPV4, .revision = 1, .match = addrtype_mt_v1, .checkentry = addrtype_mt_checkentry_v1, .matchsize = sizeof(struct xt_addrtype_info_v1), .me = THIS_MODULE - } + }, +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) + { + .name = "addrtype", + .family = NFPROTO_IPV6, + .revision = 1, + .match = addrtype_mt_v1, + .checkentry = addrtype_mt_checkentry_v1, + .matchsize = sizeof(struct xt_addrtype_info_v1), + .me = THIS_MODULE + }, +#endif }; static int __init addrtype_mt_init(void) diff --git a/net/netfilter/xt_cluster.c b/net/netfilter/xt_cluster.c index a047a54537..908fd5f2c3 100644 --- a/net/netfilter/xt_cluster.c +++ b/net/netfilter/xt_cluster.c @@ -146,24 +146,37 @@ static void xt_cluster_mt_destroy(const struct xt_mtdtor_param *par) nf_ct_netns_put(par->net, par->family); } -static struct xt_match xt_cluster_match __read_mostly = { - .name = "cluster", - .family = NFPROTO_UNSPEC, - .match = xt_cluster_mt, - .checkentry = xt_cluster_mt_checkentry, - .matchsize = sizeof(struct xt_cluster_match_info), - .destroy = xt_cluster_mt_destroy, - .me = THIS_MODULE, +static struct xt_match xt_cluster_match[] __read_mostly = { + { + .name = "cluster", + .family = NFPROTO_IPV4, + .match = xt_cluster_mt, + .checkentry = xt_cluster_mt_checkentry, + .matchsize = sizeof(struct xt_cluster_match_info), + .destroy = xt_cluster_mt_destroy, + .me = THIS_MODULE, + }, +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) + { + .name = "cluster", + .family = NFPROTO_IPV6, + .match = xt_cluster_mt, + .checkentry = xt_cluster_mt_checkentry, + .matchsize = sizeof(struct xt_cluster_match_info), + .destroy = xt_cluster_mt_destroy, + .me = THIS_MODULE, + }, +#endif }; static int __init xt_cluster_mt_init(void) { - return xt_register_match(&xt_cluster_match); + return xt_register_matches(xt_cluster_match, ARRAY_SIZE(xt_cluster_match)); } static void __exit xt_cluster_mt_fini(void) { - xt_unregister_match(&xt_cluster_match); + xt_unregister_matches(xt_cluster_match, ARRAY_SIZE(xt_cluster_match)); } MODULE_AUTHOR("Pablo Neira Ayuso "); diff --git a/net/netfilter/xt_connbytes.c b/net/netfilter/xt_connbytes.c index 93cb018c30..2aabdcea87 100644 --- a/net/netfilter/xt_connbytes.c +++ b/net/netfilter/xt_connbytes.c @@ -111,9 +111,11 @@ static int connbytes_mt_check(const struct xt_mtchk_param *par) return -EINVAL; ret = nf_ct_netns_get(par->net, par->family); - if (ret < 0) + if (ret < 0) { pr_info_ratelimited("cannot load conntrack support for proto=%u\n", par->family); + return ret; + } /* * This filter cannot function correctly unless connection tracking diff --git a/net/netfilter/xt_connlimit.c b/net/netfilter/xt_connlimit.c index 46fcac75f7..9943a2bf7a 100644 --- a/net/netfilter/xt_connlimit.c +++ b/net/netfilter/xt_connlimit.c @@ -106,26 +106,41 @@ static void connlimit_mt_destroy(const struct xt_mtdtor_param *par) nf_conncount_destroy(par->net, par->family, info->data); } -static struct xt_match connlimit_mt_reg __read_mostly = { - .name = "connlimit", - .revision = 1, - .family = NFPROTO_UNSPEC, - .checkentry = connlimit_mt_check, - .match = connlimit_mt, - .matchsize = sizeof(struct xt_connlimit_info), - .usersize = offsetof(struct xt_connlimit_info, data), - .destroy = connlimit_mt_destroy, - .me = THIS_MODULE, +static struct xt_match connlimit_mt_reg[] __read_mostly = { + { + .name = "connlimit", + .revision = 1, + .family = NFPROTO_IPV4, + .checkentry = connlimit_mt_check, + .match = connlimit_mt, + .matchsize = sizeof(struct xt_connlimit_info), + .usersize = offsetof(struct xt_connlimit_info, data), + .destroy = connlimit_mt_destroy, + .me = THIS_MODULE, + }, +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) + { + .name = "connlimit", + .revision = 1, + .family = NFPROTO_IPV6, + .checkentry = connlimit_mt_check, + .match = connlimit_mt, + .matchsize = sizeof(struct xt_connlimit_info), + .usersize = offsetof(struct xt_connlimit_info, data), + .destroy = connlimit_mt_destroy, + .me = THIS_MODULE, + }, +#endif }; static int __init connlimit_mt_init(void) { - return xt_register_match(&connlimit_mt_reg); + return xt_register_matches(connlimit_mt_reg, ARRAY_SIZE(connlimit_mt_reg)); } static void __exit connlimit_mt_exit(void) { - xt_unregister_match(&connlimit_mt_reg); + xt_unregister_matches(connlimit_mt_reg, ARRAY_SIZE(connlimit_mt_reg)); } module_init(connlimit_mt_init); diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c index ad3c033db6..4277084de2 100644 --- a/net/netfilter/xt_connmark.c +++ b/net/netfilter/xt_connmark.c @@ -151,7 +151,7 @@ static struct xt_target connmark_tg_reg[] __read_mostly = { { .name = "CONNMARK", .revision = 1, - .family = NFPROTO_UNSPEC, + .family = NFPROTO_IPV4, .checkentry = connmark_tg_check, .target = connmark_tg, .targetsize = sizeof(struct xt_connmark_tginfo1), @@ -161,13 +161,35 @@ static struct xt_target connmark_tg_reg[] __read_mostly = { { .name = "CONNMARK", .revision = 2, - .family = NFPROTO_UNSPEC, + .family = NFPROTO_IPV4, .checkentry = connmark_tg_check, .target = connmark_tg_v2, .targetsize = sizeof(struct xt_connmark_tginfo2), .destroy = connmark_tg_destroy, .me = THIS_MODULE, - } + }, +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) + { + .name = "CONNMARK", + .revision = 1, + .family = NFPROTO_IPV6, + .checkentry = connmark_tg_check, + .target = connmark_tg, + .targetsize = sizeof(struct xt_connmark_tginfo1), + .destroy = connmark_tg_destroy, + .me = THIS_MODULE, + }, + { + .name = "CONNMARK", + .revision = 2, + .family = NFPROTO_IPV6, + .checkentry = connmark_tg_check, + .target = connmark_tg_v2, + .targetsize = sizeof(struct xt_connmark_tginfo2), + .destroy = connmark_tg_destroy, + .me = THIS_MODULE, + }, +#endif }; static struct xt_match connmark_mt_reg __read_mostly = { diff --git a/net/netfilter/xt_mark.c b/net/netfilter/xt_mark.c index 1ad74b5920..65b965ca40 100644 --- a/net/netfilter/xt_mark.c +++ b/net/netfilter/xt_mark.c @@ -39,13 +39,35 @@ mark_mt(const struct sk_buff *skb, struct xt_action_param *par) return ((skb->mark & info->mask) == info->mark) ^ info->invert; } -static struct xt_target mark_tg_reg __read_mostly = { - .name = "MARK", - .revision = 2, - .family = NFPROTO_UNSPEC, - .target = mark_tg, - .targetsize = sizeof(struct xt_mark_tginfo2), - .me = THIS_MODULE, +static struct xt_target mark_tg_reg[] __read_mostly = { + { + .name = "MARK", + .revision = 2, + .family = NFPROTO_IPV4, + .target = mark_tg, + .targetsize = sizeof(struct xt_mark_tginfo2), + .me = THIS_MODULE, + }, +#if IS_ENABLED(CONFIG_IP_NF_ARPTABLES) + { + .name = "MARK", + .revision = 2, + .family = NFPROTO_ARP, + .target = mark_tg, + .targetsize = sizeof(struct xt_mark_tginfo2), + .me = THIS_MODULE, + }, +#endif +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) + { + .name = "MARK", + .revision = 2, + .family = NFPROTO_IPV6, + .target = mark_tg, + .targetsize = sizeof(struct xt_mark_tginfo2), + .me = THIS_MODULE, + }, +#endif }; static struct xt_match mark_mt_reg __read_mostly = { @@ -61,12 +83,12 @@ static int __init mark_mt_init(void) { int ret; - ret = xt_register_target(&mark_tg_reg); + ret = xt_register_targets(mark_tg_reg, ARRAY_SIZE(mark_tg_reg)); if (ret < 0) return ret; ret = xt_register_match(&mark_mt_reg); if (ret < 0) { - xt_unregister_target(&mark_tg_reg); + xt_unregister_targets(mark_tg_reg, ARRAY_SIZE(mark_tg_reg)); return ret; } return 0; @@ -75,7 +97,7 @@ static int __init mark_mt_init(void) static void __exit mark_mt_exit(void) { xt_unregister_match(&mark_mt_reg); - xt_unregister_target(&mark_tg_reg); + xt_unregister_targets(mark_tg_reg, ARRAY_SIZE(mark_tg_reg)); } module_init(mark_mt_init); diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 216445dd44..fdcb10abeb 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -128,7 +128,7 @@ static const char *const nlk_cb_mutex_key_strings[MAX_LINKS + 1] = { "nlk_cb_mutex-MAX_LINKS" }; -static int netlink_dump(struct sock *sk); +static int netlink_dump(struct sock *sk, bool lock_taken); /* nl_table locking explained: * Lookup and traversal are protected with an RCU read-side lock. Insertion @@ -711,9 +711,7 @@ static int netlink_create(struct net *net, struct socket *sock, int protocol, if (err < 0) goto out_module; - local_bh_disable(); sock_prot_inuse_add(net, &netlink_proto, 1); - local_bh_enable(); nlk = nlk_sk(sock->sk); nlk->module = module; @@ -813,9 +811,7 @@ static int netlink_release(struct socket *sock) netlink_table_ungrab(); } - local_bh_disable(); sock_prot_inuse_add(sock_net(sk), &netlink_proto, -1); - local_bh_enable(); call_rcu(&nlk->rcu, deferred_put_nlk_sk); return 0; } @@ -2004,7 +2000,7 @@ static int netlink_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, if (READ_ONCE(nlk->cb_running) && atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf / 2) { - ret = netlink_dump(sk); + ret = netlink_dump(sk, false); if (ret) { WRITE_ONCE(sk->sk_err, -ret); sk_error_report(sk); @@ -2163,8 +2159,9 @@ void __netlink_clear_multicast_users(struct sock *ksk, unsigned int group) { struct sock *sk; struct netlink_table *tbl = &nl_table[ksk->sk_protocol]; + struct hlist_node *tmp; - sk_for_each_bound(sk, &tbl->mc_list) + sk_for_each_bound_safe(sk, tmp, &tbl->mc_list) netlink_update_socket_mc(nlk_sk(sk), group, 0); } @@ -2214,7 +2211,7 @@ static int netlink_dump_done(struct netlink_sock *nlk, struct sk_buff *skb, return 0; } -static int netlink_dump(struct sock *sk) +static int netlink_dump(struct sock *sk, bool lock_taken) { struct netlink_sock *nlk = nlk_sk(sk); struct netlink_ext_ack extack = {}; @@ -2226,7 +2223,8 @@ static int netlink_dump(struct sock *sk) int alloc_min_size; int alloc_size; - mutex_lock(nlk->cb_mutex); + if (!lock_taken) + mutex_lock(nlk->cb_mutex); if (!nlk->cb_running) { err = -EINVAL; goto errout_skb; @@ -2382,9 +2380,7 @@ int __netlink_dump_start(struct sock *ssk, struct sk_buff *skb, WRITE_ONCE(nlk->cb_running, true); nlk->dump_done_errno = INT_MAX; - mutex_unlock(nlk->cb_mutex); - - ret = netlink_dump(sk); + ret = netlink_dump(sk, true); sock_put(sk); diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 69b3a6b82f..789cdc1dbc 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -1089,15 +1089,11 @@ static int genl_ctrl_event(int event, const struct genl_family *family, if (IS_ERR(msg)) return PTR_ERR(msg); - if (!family->netnsok) { + if (!family->netnsok) genlmsg_multicast_netns(&genl_ctrl, &init_net, msg, 0, 0, GFP_KERNEL); - } else { - rcu_read_lock(); - genlmsg_multicast_allns(&genl_ctrl, msg, 0, - 0, GFP_ATOMIC); - rcu_read_unlock(); - } + else + genlmsg_multicast_allns(&genl_ctrl, msg, 0, 0); return 0; } @@ -1441,23 +1437,23 @@ static int __init genl_init(void) core_initcall(genl_init); -static int genlmsg_mcast(struct sk_buff *skb, u32 portid, unsigned long group, - gfp_t flags) +static int genlmsg_mcast(struct sk_buff *skb, u32 portid, unsigned long group) { struct sk_buff *tmp; struct net *net, *prev = NULL; bool delivered = false; int err; + rcu_read_lock(); for_each_net_rcu(net) { if (prev) { - tmp = skb_clone(skb, flags); + tmp = skb_clone(skb, GFP_ATOMIC); if (!tmp) { err = -ENOMEM; goto error; } err = nlmsg_multicast(prev->genl_sock, tmp, - portid, group, flags); + portid, group, GFP_ATOMIC); if (!err) delivered = true; else if (err != -ESRCH) @@ -1466,27 +1462,31 @@ static int genlmsg_mcast(struct sk_buff *skb, u32 portid, unsigned long group, prev = net; } + err = nlmsg_multicast(prev->genl_sock, skb, portid, group, GFP_ATOMIC); + + rcu_read_unlock(); - err = nlmsg_multicast(prev->genl_sock, skb, portid, group, flags); if (!err) delivered = true; else if (err != -ESRCH) return err; return delivered ? 0 : -ESRCH; error: + rcu_read_unlock(); + kfree_skb(skb); return err; } int genlmsg_multicast_allns(const struct genl_family *family, struct sk_buff *skb, u32 portid, - unsigned int group, gfp_t flags) + unsigned int group) { if (WARN_ON_ONCE(group >= family->n_mcgrps)) return -EINVAL; group = family->mcgrp_offset + group; - return genlmsg_mcast(skb, portid, group, flags); + return genlmsg_mcast(skb, portid, group); } EXPORT_SYMBOL(genlmsg_multicast_allns); diff --git a/net/netrom/nr_timer.c b/net/netrom/nr_timer.c index 4e7c968cde..5e3ca068f0 100644 --- a/net/netrom/nr_timer.c +++ b/net/netrom/nr_timer.c @@ -121,7 +121,8 @@ static void nr_heartbeat_expiry(struct timer_list *t) is accepted() it isn't 'dead' so doesn't get removed. */ if (sock_flag(sk, SOCK_DESTROY) || (sk->sk_state == TCP_LISTEN && sock_flag(sk, SOCK_DEAD))) { - sock_hold(sk); + if (sk->sk_state == TCP_LISTEN) + sock_hold(sk); bh_unlock_sock(sk); nr_destroy_socket(sk); goto out; diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 0ab3b09f86..d1ae1d9133 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -505,6 +505,61 @@ static void *packet_current_frame(struct packet_sock *po, return packet_lookup_frame(po, rb, rb->head, status); } +static u16 vlan_get_tci(struct sk_buff *skb, struct net_device *dev) +{ + u8 *skb_orig_data = skb->data; + int skb_orig_len = skb->len; + struct vlan_hdr vhdr, *vh; + unsigned int header_len; + + if (!dev) + return 0; + + /* In the SOCK_DGRAM scenario, skb data starts at the network + * protocol, which is after the VLAN headers. The outer VLAN + * header is at the hard_header_len offset in non-variable + * length link layer headers. If it's a VLAN device, the + * min_header_len should be used to exclude the VLAN header + * size. + */ + if (dev->min_header_len == dev->hard_header_len) + header_len = dev->hard_header_len; + else if (is_vlan_dev(dev)) + header_len = dev->min_header_len; + else + return 0; + + skb_push(skb, skb->data - skb_mac_header(skb)); + vh = skb_header_pointer(skb, header_len, sizeof(vhdr), &vhdr); + if (skb_orig_data != skb->data) { + skb->data = skb_orig_data; + skb->len = skb_orig_len; + } + if (unlikely(!vh)) + return 0; + + return ntohs(vh->h_vlan_TCI); +} + +static __be16 vlan_get_protocol_dgram(struct sk_buff *skb) +{ + __be16 proto = skb->protocol; + + if (unlikely(eth_type_vlan(proto))) { + u8 *skb_orig_data = skb->data; + int skb_orig_len = skb->len; + + skb_push(skb, skb->data - skb_mac_header(skb)); + proto = __vlan_get_protocol(skb, proto, NULL); + if (skb_orig_data != skb->data) { + skb->data = skb_orig_data; + skb->len = skb_orig_len; + } + } + + return proto; +} + static void prb_del_retire_blk_timer(struct tpacket_kbdq_core *pkc) { del_timer_sync(&pkc->retire_blk_timer); @@ -974,10 +1029,16 @@ static void prb_clear_rxhash(struct tpacket_kbdq_core *pkc, static void prb_fill_vlan_info(struct tpacket_kbdq_core *pkc, struct tpacket3_hdr *ppd) { + struct packet_sock *po = container_of(pkc, struct packet_sock, rx_ring.prb_bdqc); + if (skb_vlan_tag_present(pkc->skb)) { ppd->hv1.tp_vlan_tci = skb_vlan_tag_get(pkc->skb); ppd->hv1.tp_vlan_tpid = ntohs(pkc->skb->vlan_proto); ppd->tp_status = TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID; + } else if (unlikely(po->sk.sk_type == SOCK_DGRAM && eth_type_vlan(pkc->skb->protocol))) { + ppd->hv1.tp_vlan_tci = vlan_get_tci(pkc->skb, pkc->skb->dev); + ppd->hv1.tp_vlan_tpid = ntohs(pkc->skb->protocol); + ppd->tp_status = TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID; } else { ppd->hv1.tp_vlan_tci = 0; ppd->hv1.tp_vlan_tpid = 0; @@ -2393,6 +2454,10 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, h.h2->tp_vlan_tci = skb_vlan_tag_get(skb); h.h2->tp_vlan_tpid = ntohs(skb->vlan_proto); status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID; + } else if (unlikely(sk->sk_type == SOCK_DGRAM && eth_type_vlan(skb->protocol))) { + h.h2->tp_vlan_tci = vlan_get_tci(skb, skb->dev); + h.h2->tp_vlan_tpid = ntohs(skb->protocol); + status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID; } else { h.h2->tp_vlan_tci = 0; h.h2->tp_vlan_tpid = 0; @@ -2422,7 +2487,8 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, sll->sll_halen = dev_parse_header(skb, sll->sll_addr); sll->sll_family = AF_PACKET; sll->sll_hatype = dev->type; - sll->sll_protocol = skb->protocol; + sll->sll_protocol = (sk->sk_type == SOCK_DGRAM) ? + vlan_get_protocol_dgram(skb) : skb->protocol; sll->sll_pkttype = skb->pkt_type; if (unlikely(packet_sock_flag(po, PACKET_SOCK_ORIGDEV))) sll->sll_ifindex = orig_dev->ifindex; @@ -3092,9 +3158,7 @@ static int packet_release(struct socket *sock) sk_del_node_init_rcu(sk); mutex_unlock(&net->packet.sklist_lock); - preempt_disable(); sock_prot_inuse_add(net, sk->sk_prot, -1); - preempt_enable(); spin_lock(&po->bind_lock); unregister_prot_hook(sk, false); @@ -3361,9 +3425,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol, sk_add_node_tail_rcu(sk, &net->packet.sklist); mutex_unlock(&net->packet.sklist_lock); - preempt_disable(); sock_prot_inuse_add(net, &packet_proto, 1); - preempt_enable(); return 0; out2: @@ -3451,7 +3513,8 @@ static int packet_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, /* Original length was stored in sockaddr_ll fields */ origlen = PACKET_SKB_CB(skb)->sa.origlen; sll->sll_family = AF_PACKET; - sll->sll_protocol = skb->protocol; + sll->sll_protocol = (sock->type == SOCK_DGRAM) ? + vlan_get_protocol_dgram(skb) : skb->protocol; } sock_recv_ts_and_drops(msg, sk, skb); @@ -3506,6 +3569,21 @@ static int packet_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, aux.tp_vlan_tci = skb_vlan_tag_get(skb); aux.tp_vlan_tpid = ntohs(skb->vlan_proto); aux.tp_status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID; + } else if (unlikely(sock->type == SOCK_DGRAM && eth_type_vlan(skb->protocol))) { + struct sockaddr_ll *sll = &PACKET_SKB_CB(skb)->sa.ll; + struct net_device *dev; + + rcu_read_lock(); + dev = dev_get_by_index_rcu(sock_net(sk), sll->sll_ifindex); + if (dev) { + aux.tp_vlan_tci = vlan_get_tci(skb, dev); + aux.tp_vlan_tpid = ntohs(skb->protocol); + aux.tp_status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID; + } else { + aux.tp_vlan_tci = 0; + aux.tp_vlan_tpid = 0; + } + rcu_read_unlock(); } else { aux.tp_vlan_tci = 0; aux.tp_vlan_tpid = 0; @@ -3761,28 +3839,30 @@ packet_setsockopt(struct socket *sock, int level, int optname, sockptr_t optval, case PACKET_TX_RING: { union tpacket_req_u req_u; - int len; + ret = -EINVAL; lock_sock(sk); switch (po->tp_version) { case TPACKET_V1: case TPACKET_V2: - len = sizeof(req_u.req); + if (optlen < sizeof(req_u.req)) + break; + ret = copy_from_sockptr(&req_u.req, optval, + sizeof(req_u.req)) ? + -EINVAL : 0; break; case TPACKET_V3: default: - len = sizeof(req_u.req3); + if (optlen < sizeof(req_u.req3)) + break; + ret = copy_from_sockptr(&req_u.req3, optval, + sizeof(req_u.req3)) ? + -EINVAL : 0; break; } - if (optlen < len) { - ret = -EINVAL; - } else { - if (copy_from_sockptr(&req_u.req, optval, len)) - ret = -EFAULT; - else - ret = packet_set_ring(sk, &req_u, 0, - optname == PACKET_TX_RING); - } + if (!ret) + ret = packet_set_ring(sk, &req_u, 0, + optname == PACKET_TX_RING); release_sock(sk); return ret; } diff --git a/net/qrtr/af_qrtr.c b/net/qrtr/af_qrtr.c index e0a27a4044..c7a8260fa6 100644 --- a/net/qrtr/af_qrtr.c +++ b/net/qrtr/af_qrtr.c @@ -879,7 +879,7 @@ static int qrtr_bcast_enqueue(struct qrtr_node *node, struct sk_buff *skb, mutex_lock(&qrtr_node_lock); list_for_each_entry(node, &qrtr_all_nodes, item) { - skbn = skb_clone(skb, GFP_KERNEL); + skbn = pskb_copy(skb, GFP_KERNEL); if (!skbn) break; skb_set_owner_w(skbn, skb->sk); diff --git a/net/rds/recv.c b/net/rds/recv.c index 5b426dc363..a316180d3c 100644 --- a/net/rds/recv.c +++ b/net/rds/recv.c @@ -424,6 +424,7 @@ static int rds_still_queued(struct rds_sock *rs, struct rds_incoming *inc, struct sock *sk = rds_rs_to_sk(rs); int ret = 0; unsigned long flags; + struct rds_incoming *to_drop = NULL; write_lock_irqsave(&rs->rs_recv_lock, flags); if (!list_empty(&inc->i_item)) { @@ -434,11 +435,14 @@ static int rds_still_queued(struct rds_sock *rs, struct rds_incoming *inc, -be32_to_cpu(inc->i_hdr.h_len), inc->i_hdr.h_dport); list_del_init(&inc->i_item); - rds_inc_put(inc); + to_drop = inc; } } write_unlock_irqrestore(&rs->rs_recv_lock, flags); + if (to_drop) + rds_inc_put(to_drop); + rdsdebug("inc %p rs %p still %d dropped %d\n", inc, rs, ret, drop); return ret; } @@ -757,16 +761,21 @@ void rds_clear_recv_queue(struct rds_sock *rs) struct sock *sk = rds_rs_to_sk(rs); struct rds_incoming *inc, *tmp; unsigned long flags; + LIST_HEAD(to_drop); write_lock_irqsave(&rs->rs_recv_lock, flags); list_for_each_entry_safe(inc, tmp, &rs->rs_recv_queue, i_item) { rds_recv_rcvbuf_delta(rs, sk, inc->i_conn->c_lcong, -be32_to_cpu(inc->i_hdr.h_len), inc->i_hdr.h_dport); + list_move(&inc->i_item, &to_drop); + } + write_unlock_irqrestore(&rs->rs_recv_lock, flags); + + list_for_each_entry_safe(inc, tmp, &to_drop, i_item) { list_del_init(&inc->i_item); rds_inc_put(inc); } - write_unlock_irqrestore(&rs->rs_recv_lock, flags); } /* diff --git a/net/sched/act_api.c b/net/sched/act_api.c index d775676956..0b4deb33bd 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -555,6 +555,9 @@ EXPORT_SYMBOL(tcf_idr_cleanup); * its reference and bind counters, and return 1. Otherwise insert temporary * error pointer (to prevent concurrent users from inserting actions with same * index) and return 0. + * + * May return -EAGAIN for binding actions in case of a parallel add/delete on + * the requested index. */ int tcf_idr_check_alloc(struct tc_action_net *tn, u32 *index, @@ -563,43 +566,60 @@ int tcf_idr_check_alloc(struct tc_action_net *tn, u32 *index, struct tcf_idrinfo *idrinfo = tn->idrinfo; struct tc_action *p; int ret; + u32 max; -again: - mutex_lock(&idrinfo->lock); if (*index) { + rcu_read_lock(); p = idr_find(&idrinfo->action_idr, *index); + if (IS_ERR(p)) { /* This means that another process allocated * index but did not assign the pointer yet. */ - mutex_unlock(&idrinfo->lock); - goto again; + rcu_read_unlock(); + return -EAGAIN; } - if (p) { - refcount_inc(&p->tcfa_refcnt); - if (bind) - atomic_inc(&p->tcfa_bindcnt); - *a = p; - ret = 1; - } else { - *a = NULL; - ret = idr_alloc_u32(&idrinfo->action_idr, NULL, index, - *index, GFP_KERNEL); - if (!ret) - idr_replace(&idrinfo->action_idr, - ERR_PTR(-EBUSY), *index); + if (!p) { + /* Empty slot, try to allocate it */ + max = *index; + rcu_read_unlock(); + goto new; } + + if (!refcount_inc_not_zero(&p->tcfa_refcnt)) { + /* Action was deleted in parallel */ + rcu_read_unlock(); + return -EAGAIN; + } + + if (bind) + atomic_inc(&p->tcfa_bindcnt); + *a = p; + + rcu_read_unlock(); + + return 1; } else { + /* Find a slot */ *index = 1; - *a = NULL; - ret = idr_alloc_u32(&idrinfo->action_idr, NULL, index, - UINT_MAX, GFP_KERNEL); - if (!ret) - idr_replace(&idrinfo->action_idr, ERR_PTR(-EBUSY), - *index); + max = UINT_MAX; } + +new: + *a = NULL; + + mutex_lock(&idrinfo->lock); + ret = idr_alloc_u32(&idrinfo->action_idr, ERR_PTR(-EBUSY), index, max, + GFP_KERNEL); mutex_unlock(&idrinfo->lock); + + /* N binds raced for action allocation, + * retry for all the ones that failed. + */ + if (ret == -ENOSPC && *index == max) + ret = -EAGAIN; + return ret; } EXPORT_SYMBOL(tcf_idr_check_alloc); diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c index b4c42b257a..a6c3b7145a 100644 --- a/net/sched/act_ct.c +++ b/net/sched/act_ct.c @@ -38,21 +38,28 @@ static struct workqueue_struct *act_ct_wq; static struct rhashtable zones_ht; static DEFINE_MUTEX(zones_mutex); +struct zones_ht_key { + struct net *net; + u16 zone; + /* Note : pad[] must be the last field. */ + u8 pad[]; +}; + struct tcf_ct_flow_table { struct rhash_head node; /* In zones tables */ struct rcu_work rwork; struct nf_flowtable nf_ft; refcount_t ref; - u16 zone; + struct zones_ht_key key; bool dying; }; static const struct rhashtable_params zones_params = { .head_offset = offsetof(struct tcf_ct_flow_table, node), - .key_offset = offsetof(struct tcf_ct_flow_table, zone), - .key_len = sizeof_field(struct tcf_ct_flow_table, zone), + .key_offset = offsetof(struct tcf_ct_flow_table, key), + .key_len = offsetof(struct zones_ht_key, pad), .automatic_shrinking = true, }; @@ -276,13 +283,14 @@ static struct nf_flowtable_type flowtable_ct = { .owner = THIS_MODULE, }; -static int tcf_ct_flow_table_get(struct tcf_ct_params *params) +static int tcf_ct_flow_table_get(struct net *net, struct tcf_ct_params *params) { + struct zones_ht_key key = { .net = net, .zone = params->zone }; struct tcf_ct_flow_table *ct_ft; int err = -ENOMEM; mutex_lock(&zones_mutex); - ct_ft = rhashtable_lookup_fast(&zones_ht, ¶ms->zone, zones_params); + ct_ft = rhashtable_lookup_fast(&zones_ht, &key, zones_params); if (ct_ft && refcount_inc_not_zero(&ct_ft->ref)) goto out_unlock; @@ -291,7 +299,7 @@ static int tcf_ct_flow_table_get(struct tcf_ct_params *params) goto err_alloc; refcount_set(&ct_ft->ref, 1); - ct_ft->zone = params->zone; + ct_ft->key = key; err = rhashtable_insert_fast(&zones_ht, &ct_ft->node, zones_params); if (err) goto err_insert; @@ -302,6 +310,7 @@ static int tcf_ct_flow_table_get(struct tcf_ct_params *params) err = nf_flow_table_init(&ct_ft->nf_ft); if (err) goto err_init; + write_pnet(&ct_ft->nf_ft.net, net); __module_get(THIS_MODULE); out_unlock: @@ -1039,6 +1048,14 @@ static int tcf_ct_act(struct sk_buff *skb, const struct tc_action *a, */ if (nf_conntrack_confirm(skb) != NF_ACCEPT) goto drop; + + /* The ct may be dropped if a clash has been resolved, + * so it's necessary to retrieve it from skb again to + * prevent UAF. + */ + ct = nf_ct_get(skb, &ctinfo); + if (!ct) + skip_add = true; } if (!skip_add) @@ -1304,7 +1321,7 @@ static int tcf_ct_init(struct net *net, struct nlattr *nla, if (err) goto cleanup; - err = tcf_ct_flow_table_get(params); + err = tcf_ct_flow_table_get(net, params); if (err) goto cleanup_params; diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 7fdc2c1f87..bf8af9f3f3 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -589,7 +589,6 @@ void __qdisc_calculate_pkt_len(struct sk_buff *skb, pkt_len = 1; qdisc_skb_cb(skb)->pkt_len = pkt_len; } -EXPORT_SYMBOL(__qdisc_calculate_pkt_len); void qdisc_warn_nonwc(const char *txt, struct Qdisc *qdisc) { @@ -781,7 +780,7 @@ void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len) drops = max_t(int, n, 0); rcu_read_lock(); while ((parentid = sch->parent)) { - if (TC_H_MAJ(parentid) == TC_H_MAJ(TC_H_INGRESS)) + if (parentid == TC_H_ROOT) break; if (sch->flags & TCQ_F_NOPARENT) @@ -1119,6 +1118,12 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent, return -EINVAL; } + if (new && + !(parent->flags & TCQ_F_MQROOT) && + rcu_access_pointer(new->stab)) { + NL_SET_ERR_MSG(extack, "STAB not supported on a non root"); + return -EINVAL; + } err = cops->graft(parent, cl, new, &old, extack); if (err) return err; diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c index 6f6e74ce92..c952e50d3f 100644 --- a/net/sched/sch_cake.c +++ b/net/sched/sch_cake.c @@ -785,12 +785,15 @@ static u32 cake_hash(struct cake_tin_data *q, const struct sk_buff *skb, * queue, accept the collision, update the host tags. */ q->way_collisions++; - if (q->flows[outer_hash + k].set == CAKE_SET_BULK) { - q->hosts[q->flows[reduced_hash].srchost].srchost_bulk_flow_count--; - q->hosts[q->flows[reduced_hash].dsthost].dsthost_bulk_flow_count--; - } allocate_src = cake_dsrc(flow_mode); allocate_dst = cake_ddst(flow_mode); + + if (q->flows[outer_hash + k].set == CAKE_SET_BULK) { + if (allocate_src) + q->hosts[q->flows[reduced_hash].srchost].srchost_bulk_flow_count--; + if (allocate_dst) + q->hosts[q->flows[reduced_hash].dsthost].dsthost_bulk_flow_count--; + } found: /* reserve queue for future packets in same flow */ reduced_hash = outer_hash + k; diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c index 8b99f07aa3..caa76c96b0 100644 --- a/net/sched/sch_multiq.c +++ b/net/sched/sch_multiq.c @@ -185,7 +185,7 @@ static int multiq_tune(struct Qdisc *sch, struct nlattr *opt, qopt->bands = qdisc_dev(sch)->real_num_tx_queues; - removed = kmalloc(sizeof(*removed) * (q->max_bands - q->bands), + removed = kmalloc(sizeof(*removed) * (q->max_bands - qopt->bands), GFP_KERNEL); if (!removed) return -ENOMEM; diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index 08aaa6efc6..93ed7bac9e 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -437,12 +437,10 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct netem_sched_data *q = qdisc_priv(sch); /* We don't fill cb now as skb_unshare() may invalidate it */ struct netem_skb_cb *cb; - struct sk_buff *skb2; + struct sk_buff *skb2 = NULL; struct sk_buff *segs = NULL; unsigned int prev_len = qdisc_pkt_len(skb); int count = 1; - int rc = NET_XMIT_SUCCESS; - int rc_drop = NET_XMIT_DROP; /* Do not fool qdisc_drop_all() */ skb->prev = NULL; @@ -471,19 +469,11 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, skb_orphan_partial(skb); /* - * If we need to duplicate packet, then re-insert at top of the - * qdisc tree, since parent queuer expects that only one - * skb will be queued. + * If we need to duplicate packet, then clone it before + * original is modified. */ - if (count > 1 && (skb2 = skb_clone(skb, GFP_ATOMIC)) != NULL) { - struct Qdisc *rootq = qdisc_root_bh(sch); - u32 dupsave = q->duplicate; /* prevent duplicating a dup... */ - - q->duplicate = 0; - rootq->enqueue(skb2, rootq, to_free); - q->duplicate = dupsave; - rc_drop = NET_XMIT_SUCCESS; - } + if (count > 1) + skb2 = skb_clone(skb, GFP_ATOMIC); /* * Randomized packet corruption. @@ -495,7 +485,8 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, if (skb_is_gso(skb)) { skb = netem_segment(skb, sch, to_free); if (!skb) - return rc_drop; + goto finish_segs; + segs = skb->next; skb_mark_not_on_list(skb); qdisc_skb_cb(skb)->pkt_len = skb->len; @@ -521,7 +512,24 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, /* re-link segs, so that qdisc_drop_all() frees them all */ skb->next = segs; qdisc_drop_all(skb, sch, to_free); - return rc_drop; + if (skb2) + __qdisc_drop(skb2, to_free); + return NET_XMIT_DROP; + } + + /* + * If doing duplication then re-insert at top of the + * qdisc tree, since parent queuer expects that only one + * skb will be queued. + */ + if (skb2) { + struct Qdisc *rootq = qdisc_root_bh(sch); + u32 dupsave = q->duplicate; /* prevent duplicating a dup... */ + + q->duplicate = 0; + rootq->enqueue(skb2, rootq, to_free); + q->duplicate = dupsave; + skb2 = NULL; } qdisc_qstats_backlog_inc(sch, skb); @@ -592,9 +600,12 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, } finish_segs: + if (skb2) + __qdisc_drop(skb2, to_free); + if (segs) { unsigned int len, last_len; - int nb; + int rc, nb; len = skb ? skb->len : 0; nb = skb ? 1 : 0; @@ -722,11 +733,10 @@ static struct sk_buff *netem_dequeue(struct Qdisc *sch) err = qdisc_enqueue(skb, q->qdisc, &to_free); kfree_skb_list(to_free); - if (err != NET_XMIT_SUCCESS && - net_xmit_drop_count(err)) { - qdisc_qstats_drop(sch); - qdisc_tree_reduce_backlog(sch, 1, - pkt_len); + if (err != NET_XMIT_SUCCESS) { + if (net_xmit_drop_count(err)) + qdisc_qstats_drop(sch); + qdisc_tree_reduce_backlog(sch, 1, pkt_len); } goto tfifo_dequeue; } diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index e40b4425eb..44b971ef34 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -947,16 +947,13 @@ static int taprio_parse_mqprio_opt(struct net_device *dev, { int i, j; - if (!qopt && !dev->num_tc) { - NL_SET_ERR_MSG(extack, "'mqprio' configuration is necessary"); - return -EINVAL; - } - - /* If num_tc is already set, it means that the user already - * configured the mqprio part - */ - if (dev->num_tc) + if (!qopt) { + if (!dev->num_tc) { + NL_SET_ERR_MSG(extack, "'mqprio' configuration is necessary"); + return -EINVAL; + } return 0; + } /* Verify num_tc is not out of max range */ if (qopt->num_tc > TC_MAX_QUEUE) { @@ -1602,7 +1599,9 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, goto unlock; } - rcu_assign_pointer(q->admin_sched, new_admin); + /* Not going to race against advance_sched(), but still */ + admin = rcu_replace_pointer(q->admin_sched, new_admin, + lockdep_rtnl_is_held()); if (admin) call_rcu(&admin->rcu, taprio_free_sched_cb); } else { @@ -1613,7 +1612,8 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, taprio_start_sched(sch, start, new_admin); - rcu_assign_pointer(q->admin_sched, new_admin); + admin = rcu_replace_pointer(q->admin_sched, new_admin, + lockdep_rtnl_is_held()); if (admin) call_rcu(&admin->rcu, taprio_free_sched_cb); diff --git a/net/sctp/input.c b/net/sctp/input.c index d16b3885dc..4ee9374dcf 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -748,23 +748,25 @@ static int __sctp_hash_endpoint(struct sctp_endpoint *ep) struct sock *sk = ep->base.sk; struct net *net = sock_net(sk); struct sctp_hashbucket *head; - struct sctp_ep_common *epb; + int err = 0; - epb = &ep->base; - epb->hashent = sctp_ep_hashfn(net, epb->bind_addr.port); - head = &sctp_ep_hashtable[epb->hashent]; + ep->hashent = sctp_ep_hashfn(net, ep->base.bind_addr.port); + head = &sctp_ep_hashtable[ep->hashent]; + write_lock(&head->lock); if (sk->sk_reuseport) { bool any = sctp_is_ep_boundall(sk); - struct sctp_ep_common *epb2; + struct sctp_endpoint *ep2; struct list_head *list; - int cnt = 0, err = 1; + int cnt = 0; + + err = 1; list_for_each(list, &ep->base.bind_addr.address_list) cnt++; - sctp_for_each_hentry(epb2, &head->chain) { - struct sock *sk2 = epb2->sk; + sctp_for_each_hentry(ep2, &head->chain) { + struct sock *sk2 = ep2->base.sk; if (!net_eq(sock_net(sk2), net) || sk2 == sk || !uid_eq(sock_i_uid(sk2), sock_i_uid(sk)) || @@ -776,24 +778,24 @@ static int __sctp_hash_endpoint(struct sctp_endpoint *ep) if (!err) { err = reuseport_add_sock(sk, sk2, any); if (err) - return err; + goto out; break; } else if (err < 0) { - return err; + goto out; } } if (err) { err = reuseport_alloc(sk, any); if (err) - return err; + goto out; } } - write_lock(&head->lock); - hlist_add_head(&epb->node, &head->chain); + hlist_add_head(&ep->node, &head->chain); +out: write_unlock(&head->lock); - return 0; + return err; } /* Add an endpoint to the hash. Local BH-safe. */ @@ -813,19 +815,15 @@ static void __sctp_unhash_endpoint(struct sctp_endpoint *ep) { struct sock *sk = ep->base.sk; struct sctp_hashbucket *head; - struct sctp_ep_common *epb; - - epb = &ep->base; - epb->hashent = sctp_ep_hashfn(sock_net(sk), epb->bind_addr.port); + ep->hashent = sctp_ep_hashfn(sock_net(sk), ep->base.bind_addr.port); - head = &sctp_ep_hashtable[epb->hashent]; + head = &sctp_ep_hashtable[ep->hashent]; + write_lock(&head->lock); if (rcu_access_pointer(sk->sk_reuseport_cb)) reuseport_detach_sock(sk); - - write_lock(&head->lock); - hlist_del_init(&epb->node); + hlist_del_init(&ep->node); write_unlock(&head->lock); } @@ -858,7 +856,6 @@ static struct sctp_endpoint *__sctp_rcv_lookup_endpoint( const union sctp_addr *paddr) { struct sctp_hashbucket *head; - struct sctp_ep_common *epb; struct sctp_endpoint *ep; struct sock *sk; __be16 lport; @@ -868,8 +865,7 @@ static struct sctp_endpoint *__sctp_rcv_lookup_endpoint( hash = sctp_ep_hashfn(net, ntohs(lport)); head = &sctp_ep_hashtable[hash]; read_lock(&head->lock); - sctp_for_each_hentry(epb, &head->chain) { - ep = sctp_ep(epb); + sctp_for_each_hentry(ep, &head->chain) { if (sctp_endpoint_is_match(ep, net, laddr)) goto hit; } diff --git a/net/sctp/proc.c b/net/sctp/proc.c index 963b94517e..ec00ee75d5 100644 --- a/net/sctp/proc.c +++ b/net/sctp/proc.c @@ -161,7 +161,6 @@ static void *sctp_eps_seq_next(struct seq_file *seq, void *v, loff_t *pos) static int sctp_eps_seq_show(struct seq_file *seq, void *v) { struct sctp_hashbucket *head; - struct sctp_ep_common *epb; struct sctp_endpoint *ep; struct sock *sk; int hash = *(loff_t *)v; @@ -171,18 +170,17 @@ static int sctp_eps_seq_show(struct seq_file *seq, void *v) head = &sctp_ep_hashtable[hash]; read_lock_bh(&head->lock); - sctp_for_each_hentry(epb, &head->chain) { - ep = sctp_ep(epb); - sk = epb->sk; + sctp_for_each_hentry(ep, &head->chain) { + sk = ep->base.sk; if (!net_eq(sock_net(sk), seq_file_net(seq))) continue; seq_printf(seq, "%8pK %8pK %-3d %-3d %-4d %-5d %5u %5lu ", ep, sk, sctp_sk(sk)->type, sk->sk_state, hash, - epb->bind_addr.port, + ep->base.bind_addr.port, from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)), sock_i_ino(sk)); - sctp_seq_dump_local_addrs(seq, epb); + sctp_seq_dump_local_addrs(seq, &ep->base); seq_printf(seq, "\n"); } read_unlock_bh(&head->lock); diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 13acb84b00..b5f5ee233b 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -3736,7 +3736,7 @@ enum sctp_disposition sctp_sf_ootb(struct net *net, } ch = (struct sctp_chunkhdr *)ch_end; - } while (ch_end < skb_tail_pointer(skb)); + } while (ch_end + sizeof(*ch) < skb_tail_pointer(skb)); if (ootb_shut_ack) return sctp_sf_shut_8_4_5(net, ep, asoc, type, arg, commands); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 57acf7ed80..528d9ecf1d 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -5073,12 +5073,9 @@ static int sctp_init_sock(struct sock *sk) SCTP_DBG_OBJCNT_INC(sock); - local_bh_disable(); sk_sockets_allocated_inc(sk); sock_prot_inuse_add(net, sk->sk_prot, 1); - local_bh_enable(); - return 0; } @@ -5104,10 +5101,8 @@ static void sctp_destroy_sock(struct sock *sk) list_del(&sp->auto_asconf_list); } sctp_endpoint_free(sp->ep); - local_bh_disable(); sk_sockets_allocated_dec(sk); sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1); - local_bh_enable(); } /* Triggered when there are no references on the socket anymore */ @@ -5308,14 +5303,14 @@ int sctp_for_each_endpoint(int (*cb)(struct sctp_endpoint *, void *), void *p) { int err = 0; int hash = 0; - struct sctp_ep_common *epb; + struct sctp_endpoint *ep; struct sctp_hashbucket *head; for (head = sctp_ep_hashtable; hash < sctp_ep_hashsize; hash++, head++) { read_lock_bh(&head->lock); - sctp_for_each_hentry(epb, &head->chain) { - err = cb(sctp_ep(epb), p); + sctp_for_each_hentry(ep, &head->chain) { + err = cb(ep, p); if (err) break; } @@ -7117,6 +7112,7 @@ static int sctp_getsockopt_assoc_ids(struct sock *sk, int len, struct sctp_sock *sp = sctp_sk(sk); struct sctp_association *asoc; struct sctp_assoc_ids *ids; + size_t ids_size; u32 num = 0; if (sctp_style(sk, TCP)) @@ -7129,11 +7125,11 @@ static int sctp_getsockopt_assoc_ids(struct sock *sk, int len, num++; } - if (len < sizeof(struct sctp_assoc_ids) + sizeof(sctp_assoc_t) * num) + ids_size = struct_size(ids, gaids_assoc_id, num); + if (len < ids_size) return -EINVAL; - len = sizeof(struct sctp_assoc_ids) + sizeof(sctp_assoc_t) * num; - + len = ids_size; ids = kmalloc(len, GFP_USER | __GFP_NOWARN); if (unlikely(!ids)) return -ENOMEM; @@ -8520,6 +8516,7 @@ static int sctp_listen_start(struct sock *sk, int backlog) struct sctp_endpoint *ep = sp->ep; struct crypto_shash *tfm = NULL; char alg[32]; + int err; /* Allocate HMAC for generating cookie. */ if (!sp->hmac && sp->sctp_hmac_alg) { @@ -8546,17 +8543,26 @@ static int sctp_listen_start(struct sock *sk, int backlog) */ inet_sk_set_state(sk, SCTP_SS_LISTENING); if (!ep->base.bind_addr.port) { - if (sctp_autobind(sk)) - return -EAGAIN; + if (sctp_autobind(sk)) { + err = -EAGAIN; + goto err; + } } else { if (sctp_get_port(sk, inet_sk(sk)->inet_num)) { - inet_sk_set_state(sk, SCTP_SS_CLOSED); - return -EADDRINUSE; + err = -EADDRINUSE; + goto err; } } WRITE_ONCE(sk->sk_max_ack_backlog, backlog); - return sctp_hash_endpoint(ep); + err = sctp_hash_endpoint(ep); + if (err) + goto err; + + return 0; +err: + inet_sk_set_state(sk, SCTP_SS_CLOSED); + return err; } /* diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index 8c11eb70c0..bd0b3a8b95 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -88,8 +88,8 @@ int smc_hash_sk(struct sock *sk) write_lock_bh(&h->lock); sk_add_node(sk, head); - sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); write_unlock_bh(&h->lock); + sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); return 0; } diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index b84896acd4..0b32612b86 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -1772,7 +1772,6 @@ int smc_conn_create(struct smc_sock *smc, struct smc_init_info *ini) */ static u8 smc_compress_bufsize(int size, bool is_smcd, bool is_rmb) { - const unsigned int max_scat = SG_MAX_SINGLE_ALLOC * PAGE_SIZE; u8 compressed; if (size <= SMC_BUF_MIN_SIZE) @@ -1782,9 +1781,11 @@ static u8 smc_compress_bufsize(int size, bool is_smcd, bool is_rmb) compressed = min_t(u8, ilog2(size) + 1, is_smcd ? SMCD_DMBE_SIZES : SMCR_RMBE_SIZES); +#ifdef CONFIG_ARCH_NO_SG_CHAIN if (!is_smcd && is_rmb) /* RMBs are backed by & limited to max size of scatterlists */ - compressed = min_t(u8, compressed, ilog2(max_scat >> 14)); + compressed = min_t(u8, compressed, ilog2((SG_MAX_SINGLE_ALLOC * PAGE_SIZE) >> 14)); +#endif return compressed; } diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c index c9e4b37e65..a895d13798 100644 --- a/net/smc/smc_pnet.c +++ b/net/smc/smc_pnet.c @@ -743,7 +743,7 @@ static int smc_pnet_add_pnetid(struct net *net, u8 *pnetid) write_lock(&sn->pnetids_ndev.lock); list_for_each_entry(pi, &sn->pnetids_ndev.list, list) { - if (smc_pnet_match(pnetid, pe->pnetid)) { + if (smc_pnet_match(pnetid, pi->pnetid)) { refcount_inc(&pi->refcnt); kfree(pe); goto unlock; diff --git a/net/socket.c b/net/socket.c index f7cfc703bd..bb2a209e3e 100644 --- a/net/socket.c +++ b/net/socket.c @@ -1484,8 +1484,13 @@ int __sock_create(struct net *net, int family, int type, int protocol, rcu_read_unlock(); err = pf->create(net, sock, protocol, kern); - if (err < 0) + if (err < 0) { + /* ->create should release the allocated sock->sk object on error + * but it may leave the dangling pointer + */ + sock->sk = NULL; goto out_module_put; + } /* * Now to bump the refcnt of the [loadable] module that owns this diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index 2ff66a6a7e..7ce4a6b7cf 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -1855,8 +1855,10 @@ gss_wrap_req_priv(struct rpc_cred *cred, struct gss_cl_ctx *ctx, offset = (u8 *)p - (u8 *)snd_buf->head[0].iov_base; maj_stat = gss_wrap(ctx->gc_gss_ctx, offset, snd_buf, inpages); /* slack space should prevent this ever happening: */ - if (unlikely(snd_buf->len > snd_buf->buflen)) + if (unlikely(snd_buf->len > snd_buf->buflen)) { + status = -EIO; goto wrap_failed; + } /* We're assuming that when GSS_S_CONTEXT_EXPIRED, the encryption was * done anyway, so it's safe to put the request on the wire: */ if (maj_stat == GSS_S_CONTEXT_EXPIRED) diff --git a/net/sunrpc/auth_gss/gss_krb5_keys.c b/net/sunrpc/auth_gss/gss_krb5_keys.c index 726c076950..fc4639687c 100644 --- a/net/sunrpc/auth_gss/gss_krb5_keys.c +++ b/net/sunrpc/auth_gss/gss_krb5_keys.c @@ -161,7 +161,7 @@ u32 krb5_derive_key(const struct gss_krb5_enctype *gk5e, if (IS_ERR(cipher)) goto err_return; if (crypto_sync_skcipher_setkey(cipher, inkey->data, inkey->len)) - goto err_return; + goto err_free_cipher; /* allocate and set up buffers */ diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index f73d459362..38071a6780 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -2226,12 +2226,13 @@ call_transmit_status(struct rpc_task *task) task->tk_action = call_transmit; task->tk_status = 0; break; - case -ECONNREFUSED: case -EHOSTDOWN: case -ENETDOWN: case -EHOSTUNREACH: case -ENETUNREACH: case -EPERM: + break; + case -ECONNREFUSED: if (RPC_IS_SOFTCONN(task)) { if (!task->tk_msg.rpc_proc->p_proc) trace_xprt_ping(task->tk_xprt, diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index a00890962e..540220264b 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -348,8 +348,10 @@ static void rpc_make_runnable(struct workqueue_struct *wq, if (RPC_IS_ASYNC(task)) { INIT_WORK(&task->u.tk_work, rpc_async_schedule); queue_work(wq, &task->u.tk_work); - } else + } else { + smp_mb__after_atomic(); wake_up_bit(&task->tk_runstate, RPC_TASK_QUEUED); + } } /* diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c index c964b48eaa..a004c3ef35 100644 --- a/net/sunrpc/stats.c +++ b/net/sunrpc/stats.c @@ -309,7 +309,7 @@ EXPORT_SYMBOL_GPL(rpc_proc_unregister); struct proc_dir_entry * svc_proc_register(struct net *net, struct svc_stat *statp, const struct proc_ops *proc_ops) { - return do_register(net, statp->program->pg_name, statp, proc_ops); + return do_register(net, statp->program->pg_name, net, proc_ops); } EXPORT_SYMBOL_GPL(svc_proc_register); diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 8d5897ed28..92d88aac2a 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -447,8 +447,8 @@ __svc_init_bc(struct svc_serv *serv) * Create an RPC service */ static struct svc_serv * -__svc_create(struct svc_program *prog, unsigned int bufsize, int npools, - int (*threadfn)(void *data)) +__svc_create(struct svc_program *prog, struct svc_stat *stats, + unsigned int bufsize, int npools, int (*threadfn)(void *data)) { struct svc_serv *serv; unsigned int vers; @@ -460,7 +460,7 @@ __svc_create(struct svc_program *prog, unsigned int bufsize, int npools, serv->sv_name = prog->pg_name; serv->sv_program = prog; kref_init(&serv->sv_refcnt); - serv->sv_stats = prog->pg_stats; + serv->sv_stats = stats; if (bufsize > RPCSVC_MAXPAYLOAD) bufsize = RPCSVC_MAXPAYLOAD; serv->sv_max_payload = bufsize? bufsize : 4096; @@ -522,26 +522,28 @@ __svc_create(struct svc_program *prog, unsigned int bufsize, int npools, struct svc_serv *svc_create(struct svc_program *prog, unsigned int bufsize, int (*threadfn)(void *data)) { - return __svc_create(prog, bufsize, 1, threadfn); + return __svc_create(prog, NULL, bufsize, 1, threadfn); } EXPORT_SYMBOL_GPL(svc_create); /** * svc_create_pooled - Create an RPC service with pooled threads * @prog: the RPC program the new service will handle + * @stats: the stats struct if desired * @bufsize: maximum message size for @prog * @threadfn: a function to service RPC requests for @prog * * Returns an instantiated struct svc_serv object or NULL. */ struct svc_serv *svc_create_pooled(struct svc_program *prog, + struct svc_stat *stats, unsigned int bufsize, int (*threadfn)(void *data)) { struct svc_serv *serv; unsigned int npools = svc_pool_map_get(); - serv = __svc_create(prog, bufsize, npools, threadfn); + serv = __svc_create(prog, stats, bufsize, npools, threadfn); if (!serv) goto out_err; return serv; @@ -1357,7 +1359,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) goto err_bad_proc; /* Syntactic check complete */ - serv->sv_stats->rpccnt++; + if (serv->sv_stats) + serv->sv_stats->rpccnt++; trace_svc_process(rqstp, progp->pg_name); /* Build the reply header. */ @@ -1423,7 +1426,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) goto close_xprt; err_bad_rpc: - serv->sv_stats->rpcbadfmt++; + if (serv->sv_stats) + serv->sv_stats->rpcbadfmt++; svc_putnl(resv, 1); /* REJECT */ svc_putnl(resv, 0); /* RPC_MISMATCH */ svc_putnl(resv, 2); /* Only RPCv2 supported */ @@ -1436,7 +1440,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) err_bad_auth: dprintk("svc: authentication failed (%d)\n", be32_to_cpu(rqstp->rq_auth_stat)); - serv->sv_stats->rpcbadauth++; + if (serv->sv_stats) + serv->sv_stats->rpcbadauth++; /* Restore write pointer to location of accept status: */ xdr_ressize_check(rqstp, reply_statp); svc_putnl(resv, 1); /* REJECT */ @@ -1446,7 +1451,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) err_bad_prog: dprintk("svc: unknown program %d\n", prog); - serv->sv_stats->rpcbadfmt++; + if (serv->sv_stats) + serv->sv_stats->rpcbadfmt++; svc_putnl(resv, RPC_PROG_UNAVAIL); goto sendit; @@ -1454,7 +1460,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) svc_printk(rqstp, "unknown version (%d for prog %d, %s)\n", rqstp->rq_vers, rqstp->rq_prog, progp->pg_name); - serv->sv_stats->rpcbadfmt++; + if (serv->sv_stats) + serv->sv_stats->rpcbadfmt++; svc_putnl(resv, RPC_PROG_MISMATCH); svc_putnl(resv, process.mismatch.lovers); svc_putnl(resv, process.mismatch.hivers); @@ -1463,7 +1470,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) err_bad_proc: svc_printk(rqstp, "unknown procedure (%d)\n", rqstp->rq_proc); - serv->sv_stats->rpcbadfmt++; + if (serv->sv_stats) + serv->sv_stats->rpcbadfmt++; svc_putnl(resv, RPC_PROC_UNAVAIL); goto sendit; @@ -1472,7 +1480,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) rpc_stat = rpc_garbage_args; err_bad: - serv->sv_stats->rpcbadfmt++; + if (serv->sv_stats) + serv->sv_stats->rpcbadfmt++; svc_putnl(resv, ntohl(rpc_stat)); goto sendit; } @@ -1513,7 +1522,8 @@ svc_process(struct svc_rqst *rqstp) if (dir != 0) { /* direction != CALL */ svc_printk(rqstp, "bad direction %d, dropping request\n", dir); - serv->sv_stats->rpcbadfmt++; + if (serv->sv_stats) + serv->sv_stats->rpcbadfmt++; goto out_drop; } diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c index f700b34a5b..551f3dd4e6 100644 --- a/net/sunrpc/xprtrdma/frwr_ops.c +++ b/net/sunrpc/xprtrdma/frwr_ops.c @@ -96,7 +96,8 @@ static void frwr_mr_put(struct rpcrdma_mr *mr) rpcrdma_mr_push(mr, &mr->mr_req->rl_free_mrs); } -/* frwr_reset - Place MRs back on the free list +/** + * frwr_reset - Place MRs back on @req's free list * @req: request to reset * * Used after a failed marshal. For FRWR, this means the MRs diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 34413d4ab0..b61ade1025 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -924,6 +924,8 @@ static int rpcrdma_reqs_setup(struct rpcrdma_xprt *r_xprt) static void rpcrdma_req_reset(struct rpcrdma_req *req) { + struct rpcrdma_mr *mr; + /* Credits are valid for only one connection */ req->rl_slot.rq_cong = 0; @@ -933,7 +935,19 @@ static void rpcrdma_req_reset(struct rpcrdma_req *req) rpcrdma_regbuf_dma_unmap(req->rl_sendbuf); rpcrdma_regbuf_dma_unmap(req->rl_recvbuf); - frwr_reset(req); + /* The verbs consumer can't know the state of an MR on the + * req->rl_registered list unless a successful completion + * has occurred, so they cannot be re-used. + */ + while ((mr = rpcrdma_mr_pop(&req->rl_registered))) { + struct rpcrdma_buffer *buf = &mr->mr_xprt->rx_buf; + + spin_lock(&buf->rb_lock); + list_del(&mr->mr_all); + spin_unlock(&buf->rb_lock); + + frwr_mr_release(mr); + } } /* ASSUMPTION: the rb_allreqs list is stable for the duration, diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index bf801adff6..5601217feb 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2335,6 +2335,13 @@ static void xs_tcp_setup_socket(struct work_struct *work) case -EALREADY: xprt_unlock_connect(xprt, transport); return; + case -EPERM: + /* Happens, for instance, if a BPF program is preventing + * the connect. Remap the error so upper layers can better + * deal with it. + */ + status = -ECONNREFUSED; + fallthrough; case -EINVAL: /* Happens, for instance, if the user specified a link * local IPv6 address without a scope-id. diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c index 593846d252..114fef65f9 100644 --- a/net/tipc/bcast.c +++ b/net/tipc/bcast.c @@ -320,8 +320,8 @@ static int tipc_mcast_send_sync(struct net *net, struct sk_buff *skb, { struct tipc_msg *hdr, *_hdr; struct sk_buff_head tmpq; + u16 cong_link_cnt = 0; struct sk_buff *_skb; - u16 cong_link_cnt; int rc = 0; /* Is a cluster supporting with new capabilities ? */ diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index 17e8e6e367..8c2793181e 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -163,8 +163,12 @@ static int bearer_name_validate(const char *name, /* return bearer name components, if necessary */ if (name_parts) { - strcpy(name_parts->media_name, media_name); - strcpy(name_parts->if_name, if_name); + if (strscpy(name_parts->media_name, media_name, + TIPC_MAX_MEDIA_NAME) < 0) + return 0; + if (strscpy(name_parts->if_name, if_name, + TIPC_MAX_IF_NAME) < 0) + return 0; } return 1; } diff --git a/net/tipc/node.c b/net/tipc/node.c index a9c5b65948..cf9d9f9b97 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -2107,6 +2107,7 @@ void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b) } else { n = tipc_node_find_by_id(net, ehdr->id); } + skb_dst_force(skb); tipc_crypto_rcv(net, (n) ? n->crypto_rx : NULL, &skb, b); if (!skb) return; diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c index 0a85244fd6..73e461dc12 100644 --- a/net/tipc/udp_media.c +++ b/net/tipc/udp_media.c @@ -135,8 +135,11 @@ static int tipc_udp_addr2str(struct tipc_media_addr *a, char *buf, int size) snprintf(buf, size, "%pI4:%u", &ua->ipv4, ntohs(ua->port)); else if (ntohs(ua->proto) == ETH_P_IPV6) snprintf(buf, size, "%pI6:%u", &ua->ipv6, ntohs(ua->port)); - else + else { pr_err("Invalid UDP media address\n"); + return 1; + } + return 0; } diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 90f6cbe5cd..c17c3a14b9 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -468,7 +468,6 @@ static void tls_encrypt_done(struct crypto_async_request *req, int err) struct scatterlist *sge; struct sk_msg *msg_en; struct tls_rec *rec; - bool ready = false; if (err == -EINPROGRESS) /* see the comment in tls_decrypt_done() */ return; @@ -502,19 +501,16 @@ static void tls_encrypt_done(struct crypto_async_request *req, int err) /* If received record is at head of tx_list, schedule tx */ first_rec = list_first_entry(&ctx->tx_list, struct tls_rec, list); - if (rec == first_rec) - ready = true; + if (rec == first_rec) { + /* Schedule the transmission */ + if (!test_and_set_bit(BIT_TX_SCHEDULED, + &ctx->tx_bitmask)) + schedule_delayed_work(&ctx->tx_work.work, 1); + } } if (atomic_dec_and_test(&ctx->encrypt_pending)) complete(&ctx->async_wait.completion); - - if (!ready) - return; - - /* Schedule the transmission */ - if (!test_and_set_bit(BIT_TX_SCHEDULED, &ctx->tx_bitmask)) - schedule_delayed_work(&ctx->tx_work.work, 1); } static int tls_encrypt_async_wait(struct tls_sw_context_tx *ctx) diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 80f91b5ab4..eb916b2eb6 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -190,15 +190,9 @@ static inline int unix_may_send(struct sock *sk, struct sock *osk) return unix_peer(osk) == NULL || unix_our_peer(sk, osk); } -static inline int unix_recvq_full(const struct sock *sk) -{ - return skb_queue_len(&sk->sk_receive_queue) > sk->sk_max_ack_backlog; -} - static inline int unix_recvq_full_lockless(const struct sock *sk) { - return skb_queue_len_lockless(&sk->sk_receive_queue) > - READ_ONCE(sk->sk_max_ack_backlog); + return skb_queue_len_lockless(&sk->sk_receive_queue) > sk->sk_max_ack_backlog; } struct sock *unix_peer_get(struct sock *s) @@ -455,9 +449,9 @@ static int unix_dgram_peer_wake_me(struct sock *sk, struct sock *other) return 0; } -static int unix_writable(const struct sock *sk) +static int unix_writable(const struct sock *sk, unsigned char state) { - return sk->sk_state != TCP_LISTEN && + return state != TCP_LISTEN && (refcount_read(&sk->sk_wmem_alloc) << 2) <= sk->sk_sndbuf; } @@ -466,7 +460,7 @@ static void unix_write_space(struct sock *sk) struct socket_wq *wq; rcu_read_lock(); - if (unix_writable(sk)) { + if (unix_writable(sk, READ_ONCE(sk->sk_state))) { wq = rcu_dereference(sk->sk_wq); if (skwq_has_sleeper(wq)) wake_up_interruptible_sync_poll(&wq->wait, @@ -491,11 +485,10 @@ static void unix_dgram_disconnected(struct sock *sk, struct sock *other) * when peer was not connected to us. */ if (!sock_flag(other, SOCK_DEAD) && unix_peer(other) == sk) { - other->sk_err = ECONNRESET; + WRITE_ONCE(other->sk_err, ECONNRESET); sk_error_report(other); } } - other->sk_state = TCP_CLOSE; } static void unix_sock_destructor(struct sock *sk) @@ -516,9 +509,7 @@ static void unix_sock_destructor(struct sock *sk) unix_release_addr(u->addr); atomic_long_dec(&unix_nr_socks); - local_bh_disable(); sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1); - local_bh_enable(); #ifdef UNIX_REFCNT_DEBUG pr_debug("UNIX %p is destroyed, %ld are still alive.\n", sk, atomic_long_read(&unix_nr_socks)); @@ -543,7 +534,7 @@ static void unix_release_sock(struct sock *sk, int embrion) u->path.dentry = NULL; u->path.mnt = NULL; state = sk->sk_state; - sk->sk_state = TCP_CLOSE; + WRITE_ONCE(sk->sk_state, TCP_CLOSE); skpair = unix_peer(sk); unix_peer(sk) = NULL; @@ -564,8 +555,8 @@ static void unix_release_sock(struct sock *sk, int embrion) unix_state_lock(skpair); /* No more writes */ WRITE_ONCE(skpair->sk_shutdown, SHUTDOWN_MASK); - if (!skb_queue_empty(&sk->sk_receive_queue) || embrion) - skpair->sk_err = ECONNRESET; + if (!skb_queue_empty_lockless(&sk->sk_receive_queue) || embrion) + WRITE_ONCE(skpair->sk_err, ECONNRESET); unix_state_unlock(skpair); skpair->sk_state_change(skpair); sk_wake_async(skpair, SOCK_WAKE_WAITD, POLL_HUP); @@ -625,9 +616,6 @@ static void init_peercred(struct sock *sk) static void copy_peercred(struct sock *sk, struct sock *peersk) { - const struct cred *old_cred; - struct pid *old_pid; - if (sk < peersk) { spin_lock(&sk->sk_peer_lock); spin_lock_nested(&peersk->sk_peer_lock, SINGLE_DEPTH_NESTING); @@ -635,16 +623,12 @@ static void copy_peercred(struct sock *sk, struct sock *peersk) spin_lock(&peersk->sk_peer_lock); spin_lock_nested(&sk->sk_peer_lock, SINGLE_DEPTH_NESTING); } - old_pid = sk->sk_peer_pid; - old_cred = sk->sk_peer_cred; + sk->sk_peer_pid = get_pid(peersk->sk_peer_pid); sk->sk_peer_cred = get_cred(peersk->sk_peer_cred); spin_unlock(&sk->sk_peer_lock); spin_unlock(&peersk->sk_peer_lock); - - put_pid(old_pid); - put_cred(old_cred); } static int unix_listen(struct socket *sock, int backlog) @@ -665,7 +649,8 @@ static int unix_listen(struct socket *sock, int backlog) if (backlog > sk->sk_max_ack_backlog) wake_up_interruptible_all(&u->peer_wait); sk->sk_max_ack_backlog = backlog; - sk->sk_state = TCP_LISTEN; + WRITE_ONCE(sk->sk_state, TCP_LISTEN); + /* set credentials so connect can copy them */ init_peercred(sk); err = 0; @@ -875,7 +860,7 @@ static struct sock *unix_create1(struct net *net, struct socket *sock, int kern, sk->sk_allocation = GFP_KERNEL_ACCOUNT; sk->sk_write_space = unix_write_space; - sk->sk_max_ack_backlog = net->unx.sysctl_max_dgram_qlen; + sk->sk_max_ack_backlog = READ_ONCE(net->unx.sysctl_max_dgram_qlen); sk->sk_destruct = unix_sock_destructor; u = unix_sk(sk); u->inflight = 0; @@ -890,9 +875,7 @@ static struct sock *unix_create1(struct net *net, struct socket *sock, int kern, memset(&u->scm_stat, 0, sizeof(struct scm_stat)); unix_insert_socket(unix_sockets_unbound(sk), sk); - local_bh_disable(); sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); - local_bh_enable(); return sk; @@ -1255,7 +1238,8 @@ static int unix_dgram_connect(struct socket *sock, struct sockaddr *addr, if (err) goto out_unlock; - sk->sk_state = other->sk_state = TCP_ESTABLISHED; + WRITE_ONCE(sk->sk_state, TCP_ESTABLISHED); + WRITE_ONCE(other->sk_state, TCP_ESTABLISHED); } else { /* * 1003.1g breaking connected state with AF_UNSPEC @@ -1272,13 +1256,20 @@ static int unix_dgram_connect(struct socket *sock, struct sockaddr *addr, unix_peer(sk) = other; if (!other) - sk->sk_state = TCP_CLOSE; + WRITE_ONCE(sk->sk_state, TCP_CLOSE); unix_dgram_peer_wake_disconnect_wakeup(sk, old_peer); unix_state_double_unlock(sk, other); - if (other != old_peer) + if (other != old_peer) { unix_dgram_disconnected(sk, old_peer); + + unix_state_lock(old_peer); + if (!unix_peer(old_peer)) + WRITE_ONCE(old_peer->sk_state, TCP_CLOSE); + unix_state_unlock(old_peer); + } + sock_put(old_peer); } else { unix_peer(sk) = other; @@ -1327,7 +1318,6 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr, struct sock *other = NULL; struct sk_buff *skb = NULL; unsigned int hash; - int st; int err; long timeo; @@ -1384,7 +1374,7 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr, if (other->sk_shutdown & RCV_SHUTDOWN) goto out_unlock; - if (unix_recvq_full(other)) { + if (unix_recvq_full_lockless(other)) { err = -EAGAIN; if (!timeo) goto out_unlock; @@ -1409,9 +1399,7 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr, Well, and we have to recheck the state after socket locked. */ - st = sk->sk_state; - - switch (st) { + switch (READ_ONCE(sk->sk_state)) { case TCP_CLOSE: /* This is ok... continue with connect */ break; @@ -1426,7 +1414,7 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr, unix_state_lock_nested(sk, U_LOCK_SECOND); - if (sk->sk_state != st) { + if (sk->sk_state != TCP_CLOSE) { unix_state_unlock(sk); unix_state_unlock(other); sock_put(other); @@ -1478,7 +1466,7 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr, copy_peercred(sk, other); sock->state = SS_CONNECTED; - sk->sk_state = TCP_ESTABLISHED; + WRITE_ONCE(sk->sk_state, TCP_ESTABLISHED); sock_hold(newsk); smp_mb__after_atomic(); /* sock_hold() does an atomic_inc() */ @@ -1874,7 +1862,7 @@ static int unix_dgram_sendmsg(struct socket *sock, struct msghdr *msg, unix_peer(sk) = NULL; unix_dgram_peer_wake_disconnect_wakeup(sk, other); - sk->sk_state = TCP_CLOSE; + WRITE_ONCE(sk->sk_state, TCP_CLOSE); unix_state_unlock(sk); unix_dgram_disconnected(sk, other); @@ -2050,7 +2038,7 @@ static int unix_stream_sendmsg(struct socket *sock, struct msghdr *msg, } if (msg->msg_namelen) { - err = sk->sk_state == TCP_ESTABLISHED ? -EISCONN : -EOPNOTSUPP; + err = READ_ONCE(sk->sk_state) == TCP_ESTABLISHED ? -EISCONN : -EOPNOTSUPP; goto out_err; } else { err = -ENOTCONN; @@ -2262,7 +2250,7 @@ static int unix_seqpacket_sendmsg(struct socket *sock, struct msghdr *msg, if (err) return err; - if (sk->sk_state != TCP_ESTABLISHED) + if (READ_ONCE(sk->sk_state) != TCP_ESTABLISHED) return -ENOTCONN; if (msg->msg_namelen) @@ -2276,7 +2264,7 @@ static int unix_seqpacket_recvmsg(struct socket *sock, struct msghdr *msg, { struct sock *sk = sock->sk; - if (sk->sk_state != TCP_ESTABLISHED) + if (READ_ONCE(sk->sk_state) != TCP_ESTABLISHED) return -ENOTCONN; return unix_dgram_recvmsg(sock, msg, size, flags); @@ -2570,18 +2558,18 @@ static struct sk_buff *manage_oob(struct sk_buff *skb, struct sock *sk, if (skb == u->oob_skb) { if (copied) { skb = NULL; - } else if (sock_flag(sk, SOCK_URGINLINE)) { - if (!(flags & MSG_PEEK)) { + } else if (!(flags & MSG_PEEK)) { + if (sock_flag(sk, SOCK_URGINLINE)) { WRITE_ONCE(u->oob_skb, NULL); consume_skb(skb); + } else { + __skb_unlink(skb, &sk->sk_receive_queue); + WRITE_ONCE(u->oob_skb, NULL); + unlinked_skb = skb; + skb = skb_peek(&sk->sk_receive_queue); } - } else if (flags & MSG_PEEK) { - skb = NULL; - } else { - __skb_unlink(skb, &sk->sk_receive_queue); - WRITE_ONCE(u->oob_skb, NULL); - unlinked_skb = skb; - skb = skb_peek(&sk->sk_receive_queue); + } else if (!sock_flag(sk, SOCK_URGINLINE)) { + skb = skb_peek_next(skb, &sk->sk_receive_queue); } } @@ -2599,7 +2587,7 @@ static struct sk_buff *manage_oob(struct sk_buff *skb, struct sock *sk, static int unix_stream_read_sock(struct sock *sk, read_descriptor_t *desc, sk_read_actor_t recv_actor) { - if (unlikely(sk->sk_state != TCP_ESTABLISHED)) + if (unlikely(READ_ONCE(sk->sk_state) != TCP_ESTABLISHED)) return -ENOTCONN; return unix_read_sock(sk, desc, recv_actor); @@ -2623,7 +2611,7 @@ static int unix_stream_read_generic(struct unix_stream_read_state *state, size_t size = state->size; unsigned int last_len; - if (unlikely(sk->sk_state != TCP_ESTABLISHED)) { + if (unlikely(READ_ONCE(sk->sk_state) != TCP_ESTABLISHED)) { err = -EINVAL; goto out; } @@ -2949,7 +2937,7 @@ long unix_inq_len(struct sock *sk) struct sk_buff *skb; long amount = 0; - if (sk->sk_state == TCP_LISTEN) + if (READ_ONCE(sk->sk_state) == TCP_LISTEN) return -EINVAL; spin_lock(&sk->sk_receive_queue.lock); @@ -3061,15 +3049,17 @@ static int unix_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned lon static __poll_t unix_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; + unsigned char state; __poll_t mask; u8 shutdown; sock_poll_wait(file, sock, wait); mask = 0; shutdown = READ_ONCE(sk->sk_shutdown); + state = READ_ONCE(sk->sk_state); /* exceptional events? */ - if (sk->sk_err) + if (READ_ONCE(sk->sk_err)) mask |= EPOLLERR; if (shutdown == SHUTDOWN_MASK) mask |= EPOLLHUP; @@ -3088,14 +3078,14 @@ static __poll_t unix_poll(struct file *file, struct socket *sock, poll_table *wa /* Connection-based need to check for termination and startup */ if ((sk->sk_type == SOCK_STREAM || sk->sk_type == SOCK_SEQPACKET) && - sk->sk_state == TCP_CLOSE) + state == TCP_CLOSE) mask |= EPOLLHUP; /* * we set writable also when the other side has shut down the * connection. This prevents stuck sockets. */ - if (unix_writable(sk)) + if (unix_writable(sk, state)) mask |= EPOLLOUT | EPOLLWRNORM | EPOLLWRBAND; return mask; @@ -3106,15 +3096,18 @@ static __poll_t unix_dgram_poll(struct file *file, struct socket *sock, { struct sock *sk = sock->sk, *other; unsigned int writable; + unsigned char state; __poll_t mask; u8 shutdown; sock_poll_wait(file, sock, wait); mask = 0; shutdown = READ_ONCE(sk->sk_shutdown); + state = READ_ONCE(sk->sk_state); /* exceptional events? */ - if (sk->sk_err || !skb_queue_empty_lockless(&sk->sk_error_queue)) + if (READ_ONCE(sk->sk_err) || + !skb_queue_empty_lockless(&sk->sk_error_queue)) mask |= EPOLLERR | (sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? EPOLLPRI : 0); @@ -3130,19 +3123,14 @@ static __poll_t unix_dgram_poll(struct file *file, struct socket *sock, mask |= EPOLLIN | EPOLLRDNORM; /* Connection-based need to check for termination and startup */ - if (sk->sk_type == SOCK_SEQPACKET) { - if (sk->sk_state == TCP_CLOSE) - mask |= EPOLLHUP; - /* connection hasn't started yet? */ - if (sk->sk_state == TCP_SYN_SENT) - return mask; - } + if (sk->sk_type == SOCK_SEQPACKET && state == TCP_CLOSE) + mask |= EPOLLHUP; /* No write status requested, avoid expensive OUT tests. */ if (!(poll_requested_events(wait) & (EPOLLWRBAND|EPOLLWRNORM|EPOLLOUT))) return mask; - writable = unix_writable(sk); + writable = unix_writable(sk, state); if (writable) { unix_state_lock(sk); diff --git a/net/unix/diag.c b/net/unix/diag.c index daef19932f..486276a178 100644 --- a/net/unix/diag.c +++ b/net/unix/diag.c @@ -64,7 +64,7 @@ static int sk_diag_dump_icons(struct sock *sk, struct sk_buff *nlskb) u32 *buf; int i; - if (sk->sk_state == TCP_LISTEN) { + if (READ_ONCE(sk->sk_state) == TCP_LISTEN) { spin_lock(&sk->sk_receive_queue.lock); attr = nla_reserve(nlskb, UNIX_DIAG_ICONS, @@ -102,8 +102,8 @@ static int sk_diag_show_rqlen(struct sock *sk, struct sk_buff *nlskb) { struct unix_diag_rqlen rql; - if (sk->sk_state == TCP_LISTEN) { - rql.udiag_rqueue = sk->sk_receive_queue.qlen; + if (READ_ONCE(sk->sk_state) == TCP_LISTEN) { + rql.udiag_rqueue = skb_queue_len_lockless(&sk->sk_receive_queue); rql.udiag_wqueue = sk->sk_max_ack_backlog; } else { rql.udiag_rqueue = (u32) unix_inq_len(sk); @@ -135,7 +135,7 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_r rep = nlmsg_data(nlh); rep->udiag_family = AF_UNIX; rep->udiag_type = sk->sk_type; - rep->udiag_state = sk->sk_state; + rep->udiag_state = READ_ONCE(sk->sk_state); rep->pad = 0; rep->udiag_ino = sk_ino; sock_diag_save_cookie(sk, rep->udiag_cookie); @@ -164,7 +164,7 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_r sock_diag_put_meminfo(sk, skb, UNIX_DIAG_MEMINFO)) goto out_nlmsg_trim; - if (nla_put_u8(skb, UNIX_DIAG_SHUTDOWN, sk->sk_shutdown)) + if (nla_put_u8(skb, UNIX_DIAG_SHUTDOWN, READ_ONCE(sk->sk_shutdown))) goto out_nlmsg_trim; if ((req->udiag_show & UDIAG_SHOW_UID) && @@ -218,7 +218,7 @@ static int unix_diag_dump(struct sk_buff *skb, struct netlink_callback *cb) continue; if (num < s_num) goto next; - if (!(req->udiag_states & (1 << sk->sk_state))) + if (!(req->udiag_states & (1 << READ_ONCE(sk->sk_state)))) goto next; if (sk_diag_dump(sk, skb, req, sk_user_ns(skb->sk), NETLINK_CB(cb->skb).portid, diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c index 19189cf30a..98a229a5cf 100644 --- a/net/vmw_vsock/hyperv_transport.c +++ b/net/vmw_vsock/hyperv_transport.c @@ -538,6 +538,7 @@ static void hvs_destruct(struct vsock_sock *vsk) vmbus_hvsock_device_unregister(chan); kfree(hvs); + vsk->trans = NULL; } static int hvs_dgram_bind(struct vsock_sock *vsk, struct sockaddr_vm *addr) diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index b490f83243..6f67a596b7 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -812,6 +812,7 @@ void virtio_transport_destruct(struct vsock_sock *vsk) struct virtio_vsock_sock *vvs = vsk->trans; kfree(vvs); + vsk->trans = NULL; } EXPORT_SYMBOL_GPL(virtio_transport_destruct); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index d758ec5655..457b197e31 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -438,6 +438,10 @@ sar_policy[NL80211_SAR_ATTR_MAX + 1] = { [NL80211_SAR_ATTR_SPECS] = NLA_POLICY_NESTED_ARRAY(sar_specs_policy), }; +static struct netlink_range_validation q_range = { + .max = INT_MAX, +}; + static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD }, [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, @@ -720,7 +724,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 }, [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 }, - [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 }, + [NL80211_ATTR_TXQ_QUANTUM] = NLA_POLICY_FULL_RANGE(NLA_U32, &q_range), [NL80211_ATTR_HE_CAPABILITY] = NLA_POLICY_RANGE(NLA_BINARY, NL80211_HE_MIN_CAPABILITY_LEN, @@ -4137,10 +4141,7 @@ static void get_key_callback(void *c, struct key_params *params) struct nlattr *key; struct get_key_cookie *cookie = c; - if ((params->key && - nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, - params->key_len, params->key)) || - (params->seq && + if ((params->seq && nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, params->seq_len, params->seq)) || (params->cipher && @@ -4152,10 +4153,7 @@ static void get_key_callback(void *c, struct key_params *params) if (!key) goto nla_put_failure; - if ((params->key && - nla_put(cookie->msg, NL80211_KEY_DATA, - params->key_len, params->key)) || - (params->seq && + if ((params->seq && nla_put(cookie->msg, NL80211_KEY_SEQ, params->seq_len, params->seq)) || (params->cipher && @@ -8786,7 +8784,8 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, return ERR_PTR(-ENOMEM); if (n_ssids) - request->ssids = (void *)&request->channels[n_channels]; + request->ssids = (void *)request + + struct_size(request, channels, n_channels); request->n_ssids = n_ssids; if (ie_len) { if (n_ssids) @@ -16263,10 +16262,8 @@ void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, genlmsg_end(msg, hdr); - rcu_read_lock(); genlmsg_multicast_allns(&nl80211_fam, msg, 0, - NL80211_MCGRP_REGULATORY, GFP_ATOMIC); - rcu_read_unlock(); + NL80211_MCGRP_REGULATORY); return; @@ -16780,10 +16777,8 @@ void nl80211_send_beacon_hint_event(struct wiphy *wiphy, genlmsg_end(msg, hdr); - rcu_read_lock(); genlmsg_multicast_allns(&nl80211_fam, msg, 0, - NL80211_MCGRP_REGULATORY, GFP_ATOMIC); - rcu_read_unlock(); + NL80211_MCGRP_REGULATORY); return; diff --git a/net/wireless/pmsr.c b/net/wireless/pmsr.c index 328cf54bda..65fa39275f 100644 --- a/net/wireless/pmsr.c +++ b/net/wireless/pmsr.c @@ -58,7 +58,7 @@ static int pmsr_parse_ftm(struct cfg80211_registered_device *rdev, out->ftm.burst_period = 0; if (tb[NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD]) out->ftm.burst_period = - nla_get_u32(tb[NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD]); + nla_get_u16(tb[NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD]); out->ftm.asap = !!tb[NL80211_PMSR_FTM_REQ_ATTR_ASAP]; if (out->ftm.asap && !capa->ftm.asap) { @@ -77,7 +77,7 @@ static int pmsr_parse_ftm(struct cfg80211_registered_device *rdev, out->ftm.num_bursts_exp = 0; if (tb[NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP]) out->ftm.num_bursts_exp = - nla_get_u32(tb[NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP]); + nla_get_u8(tb[NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP]); if (capa->ftm.max_bursts_exponent >= 0 && out->ftm.num_bursts_exp > capa->ftm.max_bursts_exponent) { @@ -90,7 +90,7 @@ static int pmsr_parse_ftm(struct cfg80211_registered_device *rdev, out->ftm.burst_duration = 15; if (tb[NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION]) out->ftm.burst_duration = - nla_get_u32(tb[NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION]); + nla_get_u8(tb[NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION]); out->ftm.ftms_per_burst = 0; if (tb[NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST]) @@ -109,7 +109,7 @@ static int pmsr_parse_ftm(struct cfg80211_registered_device *rdev, out->ftm.ftmr_retries = 3; if (tb[NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES]) out->ftm.ftmr_retries = - nla_get_u32(tb[NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES]); + nla_get_u8(tb[NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES]); out->ftm.request_lci = !!tb[NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI]; if (out->ftm.request_lci && !capa->ftm.request_lci) { diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 2898df10a7..dc41b31073 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -1517,7 +1517,7 @@ struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy, } EXPORT_SYMBOL(cfg80211_get_bss); -static void rb_insert_bss(struct cfg80211_registered_device *rdev, +static bool rb_insert_bss(struct cfg80211_registered_device *rdev, struct cfg80211_internal_bss *bss) { struct rb_node **p = &rdev->bss_tree.rb_node; @@ -1533,7 +1533,7 @@ static void rb_insert_bss(struct cfg80211_registered_device *rdev, if (WARN_ON(!cmp)) { /* will sort of leak this BSS */ - return; + return false; } if (cmp < 0) @@ -1544,6 +1544,7 @@ static void rb_insert_bss(struct cfg80211_registered_device *rdev, rb_link_node(&bss->rbn, parent, p); rb_insert_color(&bss->rbn, &rdev->bss_tree); + return true; } static struct cfg80211_internal_bss * @@ -1570,6 +1571,34 @@ rb_find_bss(struct cfg80211_registered_device *rdev, return NULL; } +static void cfg80211_insert_bss(struct cfg80211_registered_device *rdev, + struct cfg80211_internal_bss *bss) +{ + lockdep_assert_held(&rdev->bss_lock); + + if (!rb_insert_bss(rdev, bss)) + return; + list_add_tail(&bss->list, &rdev->bss_list); + rdev->bss_entries++; +} + +static void cfg80211_rehash_bss(struct cfg80211_registered_device *rdev, + struct cfg80211_internal_bss *bss) +{ + lockdep_assert_held(&rdev->bss_lock); + + rb_erase(&bss->rbn, &rdev->bss_tree); + if (!rb_insert_bss(rdev, bss)) { + list_del(&bss->list); + if (!list_empty(&bss->hidden_list)) + list_del_init(&bss->hidden_list); + if (!list_empty(&bss->pub.nontrans_list)) + list_del_init(&bss->pub.nontrans_list); + rdev->bss_entries--; + } + rdev->bss_generation++; +} + static bool cfg80211_combine_bsses(struct cfg80211_registered_device *rdev, struct cfg80211_internal_bss *new) { @@ -1845,9 +1874,7 @@ cfg80211_bss_update(struct cfg80211_registered_device *rdev, bss_ref_get(rdev, pbss); } - list_add_tail(&new->list, &rdev->bss_list); - rdev->bss_entries++; - rb_insert_bss(rdev, new); + cfg80211_insert_bss(rdev, new); found = new; } @@ -2712,10 +2739,7 @@ void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev, if (!WARN_ON(!__cfg80211_unlink_bss(rdev, new))) rdev->bss_generation++; } - - rb_erase(&cbss->rbn, &rdev->bss_tree); - rb_insert_bss(rdev, cbss); - rdev->bss_generation++; + cfg80211_rehash_bss(rdev, cbss); list_for_each_entry_safe(nontrans_bss, tmp, &cbss->pub.nontrans_list, @@ -2723,9 +2747,7 @@ void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev, bss = container_of(nontrans_bss, struct cfg80211_internal_bss, pub); bss->pub.channel = chan; - rb_erase(&bss->rbn, &rdev->bss_tree); - rb_insert_bss(rdev, bss); - rdev->bss_generation++; + cfg80211_rehash_bss(rdev, bss); } done: @@ -2782,13 +2804,17 @@ int cfg80211_wext_siwscan(struct net_device *dev, wiphy = &rdev->wiphy; /* Determine number of channels, needed to allocate creq */ - if (wreq && wreq->num_channels) + if (wreq && wreq->num_channels) { + /* Passed from userspace so should be checked */ + if (unlikely(wreq->num_channels > IW_MAX_FREQUENCIES)) + return -EINVAL; n_channels = wreq->num_channels; - else + } else { n_channels = ieee80211_get_num_supported_channels(wiphy); + } - creq = kzalloc(sizeof(*creq) + sizeof(struct cfg80211_ssid) + - n_channels * sizeof(void *), + creq = kzalloc(struct_size(creq, channels, n_channels) + + sizeof(struct cfg80211_ssid), GFP_ATOMIC); if (!creq) { err = -ENOMEM; @@ -2798,7 +2824,7 @@ int cfg80211_wext_siwscan(struct net_device *dev, creq->wiphy = wiphy; creq->wdev = dev->ieee80211_ptr; /* SSIDs come after channels */ - creq->ssids = (void *)&creq->channels[n_channels]; + creq->ssids = (void *)creq + struct_size(creq, channels, n_channels); creq->n_channels = n_channels; creq->n_ssids = 1; creq->scan_start = jiffies; diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 1591cd68fc..3c29e9bf66 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -115,7 +115,8 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev) n_channels = i; } request->n_channels = n_channels; - request->ssids = (void *)&request->channels[n_channels]; + request->ssids = (void *)request + + struct_size(request, channels, n_channels); request->n_ssids = 1; memcpy(request->ssids[0].ssid, wdev->conn->params.ssid, diff --git a/net/wireless/util.c b/net/wireless/util.c index cb15d7f4eb..6ebc6567b2 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -1363,7 +1363,7 @@ static u32 cfg80211_calculate_bitrate_he(struct rate_info *rate) 5120, /* 0.833333... */ }; u32 rates_160M[3] = { 960777777, 907400000, 816666666 }; - u32 rates_969[3] = { 480388888, 453700000, 408333333 }; + u32 rates_996[3] = { 480388888, 453700000, 408333333 }; u32 rates_484[3] = { 229411111, 216666666, 195000000 }; u32 rates_242[3] = { 114711111, 108333333, 97500000 }; u32 rates_106[3] = { 40000000, 37777777, 34000000 }; @@ -1383,12 +1383,14 @@ static u32 cfg80211_calculate_bitrate_he(struct rate_info *rate) if (WARN_ON_ONCE(rate->nss < 1 || rate->nss > 8)) return 0; - if (rate->bw == RATE_INFO_BW_160) + if (rate->bw == RATE_INFO_BW_160 || + (rate->bw == RATE_INFO_BW_HE_RU && + rate->he_ru_alloc == NL80211_RATE_INFO_HE_RU_ALLOC_2x996)) result = rates_160M[rate->he_gi]; else if (rate->bw == RATE_INFO_BW_80 || (rate->bw == RATE_INFO_BW_HE_RU && rate->he_ru_alloc == NL80211_RATE_INFO_HE_RU_ALLOC_996)) - result = rates_969[rate->he_gi]; + result = rates_996[rate->he_gi]; else if (rate->bw == RATE_INFO_BW_40 || (rate->bw == RATE_INFO_BW_HE_RU && rate->he_ru_alloc == NL80211_RATE_INFO_HE_RU_ALLOC_484)) @@ -2033,6 +2035,7 @@ int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr, { struct cfg80211_registered_device *rdev; struct wireless_dev *wdev; + int ret; wdev = dev->ieee80211_ptr; if (!wdev) @@ -2044,7 +2047,11 @@ int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr, memset(sinfo, 0, sizeof(*sinfo)); - return rdev_get_station(rdev, dev, mac_addr, sinfo); + wiphy_lock(&rdev->wiphy); + ret = rdev_get_station(rdev, dev, mac_addr, sinfo); + wiphy_unlock(&rdev->wiphy); + + return ret; } EXPORT_SYMBOL(cfg80211_get_station); diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index 1f61d15b3d..da31a99ce6 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -842,9 +842,7 @@ static int xsk_release(struct socket *sock) sk_del_node_init_rcu(sk); mutex_unlock(&net->xdp.lock); - local_bh_disable(); sock_prot_inuse_add(net, sk->sk_prot, -1); - local_bh_enable(); xsk_delete_from_maps(xs); mutex_lock(&xs->mutex); @@ -1465,9 +1463,7 @@ static int xsk_create(struct net *net, struct socket *sock, int protocol, sk_add_node_rcu(sk, &net->xdp.list); mutex_unlock(&net->xdp.lock); - local_bh_disable(); sock_prot_inuse_add(net, &xsk_proto, 1); - local_bh_enable(); return 0; } diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c index 8b8e957a69..4d13f7a372 100644 --- a/net/xfrm/xfrm_device.c +++ b/net/xfrm/xfrm_device.c @@ -241,6 +241,8 @@ int xfrm_dev_state_add(struct net *net, struct xfrm_state *x, dev = dev_get_by_index(net, xuo->ifindex); if (!dev) { + struct xfrm_dst_lookup_params params; + if (!(xuo->flags & XFRM_OFFLOAD_INBOUND)) { saddr = &x->props.saddr; daddr = &x->id.daddr; @@ -249,9 +251,12 @@ int xfrm_dev_state_add(struct net *net, struct xfrm_state *x, daddr = &x->props.saddr; } - dst = __xfrm_dst_lookup(net, 0, 0, saddr, daddr, - x->props.family, - xfrm_smark_get(0, x)); + memset(¶ms, 0, sizeof(params)); + params.net = net; + params.saddr = saddr; + params.daddr = daddr; + params.mark = xfrm_smark_get(0, x); + dst = __xfrm_dst_lookup(x->props.family, ¶ms); if (IS_ERR(dst)) return 0; diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index cee851fbe2..55ef8e8329 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -251,10 +251,8 @@ static const struct xfrm_if_cb *xfrm_if_get_cb(void) return rcu_dereference(xfrm_if_cb); } -struct dst_entry *__xfrm_dst_lookup(struct net *net, int tos, int oif, - const xfrm_address_t *saddr, - const xfrm_address_t *daddr, - int family, u32 mark) +struct dst_entry *__xfrm_dst_lookup(int family, + const struct xfrm_dst_lookup_params *params) { const struct xfrm_policy_afinfo *afinfo; struct dst_entry *dst; @@ -263,7 +261,7 @@ struct dst_entry *__xfrm_dst_lookup(struct net *net, int tos, int oif, if (unlikely(afinfo == NULL)) return ERR_PTR(-EAFNOSUPPORT); - dst = afinfo->dst_lookup(net, tos, oif, saddr, daddr, mark); + dst = afinfo->dst_lookup(params); rcu_read_unlock(); @@ -277,6 +275,7 @@ static inline struct dst_entry *xfrm_dst_lookup(struct xfrm_state *x, xfrm_address_t *prev_daddr, int family, u32 mark) { + struct xfrm_dst_lookup_params params; struct net *net = xs_net(x); xfrm_address_t *saddr = &x->props.saddr; xfrm_address_t *daddr = &x->id.daddr; @@ -291,7 +290,29 @@ static inline struct dst_entry *xfrm_dst_lookup(struct xfrm_state *x, daddr = x->coaddr; } - dst = __xfrm_dst_lookup(net, tos, oif, saddr, daddr, family, mark); + params.net = net; + params.saddr = saddr; + params.daddr = daddr; + params.tos = tos; + params.oif = oif; + params.mark = mark; + params.ipproto = x->id.proto; + if (x->encap) { + switch (x->encap->encap_type) { + case UDP_ENCAP_ESPINUDP: + params.ipproto = IPPROTO_UDP; + params.uli.ports.sport = x->encap->encap_sport; + params.uli.ports.dport = x->encap->encap_dport; + break; + case TCP_ENCAP_ESPINTCP: + params.ipproto = IPPROTO_TCP; + params.uli.ports.sport = x->encap->encap_sport; + params.uli.ports.dport = x->encap->encap_dport; + break; + } + } + + dst = __xfrm_dst_lookup(family, ¶ms); if (!IS_ERR(dst)) { if (prev_saddr != saddr) @@ -2342,15 +2363,15 @@ int __xfrm_sk_clone_policy(struct sock *sk, const struct sock *osk) } static int -xfrm_get_saddr(struct net *net, int oif, xfrm_address_t *local, - xfrm_address_t *remote, unsigned short family, u32 mark) +xfrm_get_saddr(unsigned short family, xfrm_address_t *saddr, + const struct xfrm_dst_lookup_params *params) { int err; const struct xfrm_policy_afinfo *afinfo = xfrm_policy_get_afinfo(family); if (unlikely(afinfo == NULL)) return -EINVAL; - err = afinfo->get_saddr(net, oif, local, remote, mark); + err = afinfo->get_saddr(saddr, params); rcu_read_unlock(); return err; } @@ -2379,9 +2400,14 @@ xfrm_tmpl_resolve_one(struct xfrm_policy *policy, const struct flowi *fl, remote = &tmpl->id.daddr; local = &tmpl->saddr; if (xfrm_addr_any(local, tmpl->encap_family)) { - error = xfrm_get_saddr(net, fl->flowi_oif, - &tmp, remote, - tmpl->encap_family, 0); + struct xfrm_dst_lookup_params params; + + memset(¶ms, 0, sizeof(params)); + params.net = net; + params.oif = fl->flowi_oif; + params.daddr = remote; + error = xfrm_get_saddr(tmpl->encap_family, &tmp, + ¶ms); if (error) goto fail; local = &tmp; @@ -2593,12 +2619,14 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy, if (xfrm[i]->props.mode != XFRM_MODE_TRANSPORT) { __u32 mark = 0; + int oif; if (xfrm[i]->props.smark.v || xfrm[i]->props.smark.m) mark = xfrm_smark_get(fl->flowi_mark, xfrm[i]); family = xfrm[i]->props.family; - dst = xfrm_dst_lookup(xfrm[i], tos, fl->flowi_oif, + oif = fl->flowi_oif ? : fl->flowi_l3mdev; + dst = xfrm_dst_lookup(xfrm[i], tos, oif, &saddr, &daddr, family, mark); err = PTR_ERR(dst); if (IS_ERR(dst)) diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index d65f781f7a..1ebd54afe3 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -149,6 +149,7 @@ static int verify_newsa_info(struct xfrm_usersa_info *p, struct nlattr **attrs) { int err; + u16 family = p->sel.family; err = -EINVAL; switch (p->family) { @@ -167,7 +168,10 @@ static int verify_newsa_info(struct xfrm_usersa_info *p, goto out; } - switch (p->sel.family) { + if (!family && !(p->flags & XFRM_STATE_AF_UNSPEC)) + family = p->family; + + switch (family) { case AF_UNSPEC: break; @@ -887,7 +891,9 @@ static int copy_to_user_auth(struct xfrm_algo_auth *auth, struct sk_buff *skb) if (!nla) return -EMSGSIZE; ap = nla_data(nla); - memcpy(ap, auth, sizeof(struct xfrm_algo_auth)); + strscpy_pad(ap->alg_name, auth->alg_name, sizeof(ap->alg_name)); + ap->alg_key_len = auth->alg_key_len; + ap->alg_trunc_len = auth->alg_trunc_len; if (redact_secret && auth->alg_key_len) memset(ap->alg_key, 0, (auth->alg_key_len + 7) / 8); else diff --git a/samples/Kconfig b/samples/Kconfig index b0503ef058..56539b21f2 100644 --- a/samples/Kconfig +++ b/samples/Kconfig @@ -120,6 +120,15 @@ config SAMPLE_CONNECTOR with it. See also Documentation/driver-api/connector.rst +config SAMPLE_FANOTIFY_ERROR + bool "Build fanotify error monitoring sample" + depends on FANOTIFY && CC_CAN_LINK && HEADERS_INSTALL + help + When enabled, this builds an example code that uses the + FAN_FS_ERROR fanotify mechanism to monitor filesystem + errors. + See also Documentation/admin-guide/filesystem-monitoring.rst. + config SAMPLE_HIDRAW bool "hidraw sample" depends on CC_CAN_LINK && HEADERS_INSTALL diff --git a/samples/Makefile b/samples/Makefile index 087e0988cc..931a81847c 100644 --- a/samples/Makefile +++ b/samples/Makefile @@ -5,6 +5,7 @@ subdir-$(CONFIG_SAMPLE_AUXDISPLAY) += auxdisplay subdir-$(CONFIG_SAMPLE_ANDROID_BINDERFS) += binderfs obj-$(CONFIG_SAMPLE_CONFIGFS) += configfs/ obj-$(CONFIG_SAMPLE_CONNECTOR) += connector/ +obj-$(CONFIG_SAMPLE_FANOTIFY_ERROR) += fanotify/ subdir-$(CONFIG_SAMPLE_HIDRAW) += hidraw obj-$(CONFIG_SAMPLE_HW_BREAKPOINT) += hw_breakpoint/ obj-$(CONFIG_SAMPLE_KDB) += kdb/ diff --git a/samples/fanotify/.gitignore b/samples/fanotify/.gitignore new file mode 100644 index 0000000000..d74593e8b2 --- /dev/null +++ b/samples/fanotify/.gitignore @@ -0,0 +1 @@ +fs-monitor diff --git a/samples/fanotify/Makefile b/samples/fanotify/Makefile new file mode 100644 index 0000000000..e20db1bdde --- /dev/null +++ b/samples/fanotify/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0-only +userprogs-always-y += fs-monitor + +userccflags += -I usr/include -Wall + diff --git a/samples/fanotify/fs-monitor.c b/samples/fanotify/fs-monitor.c new file mode 100644 index 0000000000..a0e44cd31e --- /dev/null +++ b/samples/fanotify/fs-monitor.c @@ -0,0 +1,142 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2021, Collabora Ltd. + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifndef FAN_FS_ERROR +#define FAN_FS_ERROR 0x00008000 +#define FAN_EVENT_INFO_TYPE_ERROR 5 + +struct fanotify_event_info_error { + struct fanotify_event_info_header hdr; + __s32 error; + __u32 error_count; +}; +#endif + +#ifndef FILEID_INO32_GEN +#define FILEID_INO32_GEN 1 +#endif + +#ifndef FILEID_INVALID +#define FILEID_INVALID 0xff +#endif + +static void print_fh(struct file_handle *fh) +{ + int i; + uint32_t *h = (uint32_t *) fh->f_handle; + + printf("\tfh: "); + for (i = 0; i < fh->handle_bytes; i++) + printf("%hhx", fh->f_handle[i]); + printf("\n"); + + printf("\tdecoded fh: "); + if (fh->handle_type == FILEID_INO32_GEN) + printf("inode=%u gen=%u\n", h[0], h[1]); + else if (fh->handle_type == FILEID_INVALID && !fh->handle_bytes) + printf("Type %d (Superblock error)\n", fh->handle_type); + else + printf("Type %d (Unknown)\n", fh->handle_type); + +} + +static void handle_notifications(char *buffer, int len) +{ + struct fanotify_event_metadata *event = + (struct fanotify_event_metadata *) buffer; + struct fanotify_event_info_header *info; + struct fanotify_event_info_error *err; + struct fanotify_event_info_fid *fid; + int off; + + for (; FAN_EVENT_OK(event, len); event = FAN_EVENT_NEXT(event, len)) { + + if (event->mask != FAN_FS_ERROR) { + printf("unexpected FAN MARK: %llx\n", event->mask); + goto next_event; + } + + if (event->fd != FAN_NOFD) { + printf("Unexpected fd (!= FAN_NOFD)\n"); + goto next_event; + } + + printf("FAN_FS_ERROR (len=%d)\n", event->event_len); + + for (off = sizeof(*event) ; off < event->event_len; + off += info->len) { + info = (struct fanotify_event_info_header *) + ((char *) event + off); + + switch (info->info_type) { + case FAN_EVENT_INFO_TYPE_ERROR: + err = (struct fanotify_event_info_error *) info; + + printf("\tGeneric Error Record: len=%d\n", + err->hdr.len); + printf("\terror: %d\n", err->error); + printf("\terror_count: %d\n", err->error_count); + break; + + case FAN_EVENT_INFO_TYPE_FID: + fid = (struct fanotify_event_info_fid *) info; + + printf("\tfsid: %x%x\n", + fid->fsid.val[0], fid->fsid.val[1]); + print_fh((struct file_handle *) &fid->handle); + break; + + default: + printf("\tUnknown info type=%d len=%d:\n", + info->info_type, info->len); + } + } +next_event: + printf("---\n\n"); + } +} + +int main(int argc, char **argv) +{ + int fd; + + char buffer[BUFSIZ]; + + if (argc < 2) { + printf("Missing path argument\n"); + return 1; + } + + fd = fanotify_init(FAN_CLASS_NOTIF|FAN_REPORT_FID, O_RDONLY); + if (fd < 0) + errx(1, "fanotify_init"); + + if (fanotify_mark(fd, FAN_MARK_ADD|FAN_MARK_FILESYSTEM, + FAN_FS_ERROR, AT_FDCWD, argv[1])) { + errx(1, "fanotify_mark"); + } + + while (1) { + int n = read(fd, buffer, BUFSIZ); + + if (n < 0) + errx(1, "read"); + + handle_notifications(buffer, n); + } + + return 0; +} diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst index 190d781e84..3668259ddb 100644 --- a/scripts/Makefile.dtbinst +++ b/scripts/Makefile.dtbinst @@ -24,7 +24,7 @@ __dtbs_install: $(dtbs) $(subdirs) @: quiet_cmd_dtb_install = INSTALL $@ - cmd_dtb_install = install -D $< $@ + cmd_dtb_install = install -D -m 0644 $< $@ $(dst)/%.dtb: $(obj)/%.dtb $(call cmd,dtb_install) diff --git a/scripts/gcc-plugins/gcc-common.h b/scripts/gcc-plugins/gcc-common.h index 3f3c37bc14..cba1440993 100644 --- a/scripts/gcc-plugins/gcc-common.h +++ b/scripts/gcc-plugins/gcc-common.h @@ -570,4 +570,8 @@ static inline void debug_gimple_stmt(const_gimple s) #define SET_DECL_MODE(decl, mode) DECL_MODE(decl) = (mode) #endif +#if BUILDING_GCC_VERSION >= 14000 +#define last_stmt(x) last_nondebug_stmt(x) +#endif + #endif diff --git a/scripts/gcc-x86_32-has-stack-protector.sh b/scripts/gcc-x86_32-has-stack-protector.sh index 825c75c5b7..9459ca4f0f 100755 --- a/scripts/gcc-x86_32-has-stack-protector.sh +++ b/scripts/gcc-x86_32-has-stack-protector.sh @@ -5,4 +5,4 @@ # -mstack-protector-guard-reg, added by # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81708 -echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -m32 -O0 -fstack-protector -mstack-protector-guard-reg=fs -mstack-protector-guard-symbol=__stack_chk_guard - -o - 2> /dev/null | grep -q "%fs" +echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -m32 -O0 -fstack-protector -mstack-protector-guard-reg=fs -mstack-protector-guard-symbol=__stack_chk_guard - -o - 2> /dev/null | grep -q "%fs" diff --git a/scripts/gcc-x86_64-has-stack-protector.sh b/scripts/gcc-x86_64-has-stack-protector.sh index 75e4e22b98..f680bb01ae 100755 --- a/scripts/gcc-x86_64-has-stack-protector.sh +++ b/scripts/gcc-x86_64-has-stack-protector.sh @@ -1,4 +1,4 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 -echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -m64 -O0 -mcmodel=kernel -fno-PIE -fstack-protector - -o - 2> /dev/null | grep -q "%gs" +echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -m64 -O0 -mcmodel=kernel -fno-PIE -fstack-protector - -o - 2> /dev/null | grep -q "%gs" diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c index 81ebf8108c..81dfdf4470 100644 --- a/scripts/kconfig/expr.c +++ b/scripts/kconfig/expr.c @@ -396,35 +396,6 @@ static struct expr *expr_eliminate_yn(struct expr *e) return e; } -/* - * bool FOO!=n => FOO - */ -struct expr *expr_trans_bool(struct expr *e) -{ - if (!e) - return NULL; - switch (e->type) { - case E_AND: - case E_OR: - case E_NOT: - e->left.expr = expr_trans_bool(e->left.expr); - e->right.expr = expr_trans_bool(e->right.expr); - break; - case E_UNEQUAL: - // FOO!=n -> FOO - if (e->left.sym->type == S_TRISTATE) { - if (e->right.sym == &symbol_no) { - e->type = E_SYMBOL; - e->right.sym = NULL; - } - } - break; - default: - ; - } - return e; -} - /* * e1 || e2 -> ? */ diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h index 9c9caca5bd..c91060e19e 100644 --- a/scripts/kconfig/expr.h +++ b/scripts/kconfig/expr.h @@ -296,7 +296,6 @@ void expr_free(struct expr *e); void expr_eliminate_eq(struct expr **ep1, struct expr **ep2); int expr_eq(struct expr *e1, struct expr *e2); tristate expr_calc_value(struct expr *e); -struct expr *expr_trans_bool(struct expr *e); struct expr *expr_eliminate_dups(struct expr *e); struct expr *expr_transform(struct expr *e); int expr_contains_symbol(struct expr *dep, struct symbol *sym); diff --git a/scripts/kconfig/gconf.c b/scripts/kconfig/gconf.c index 17adabfd6e..5d1404178e 100644 --- a/scripts/kconfig/gconf.c +++ b/scripts/kconfig/gconf.c @@ -1481,7 +1481,6 @@ int main(int ac, char *av[]) conf_parse(name); fixup_rootmenu(&rootmenu); - conf_read(NULL); /* Load the interface and connect signals */ init_main_window(glade_file); @@ -1489,6 +1488,8 @@ int main(int ac, char *av[]) init_left_tree(); init_right_tree(); + conf_read(NULL); + switch (view_mode) { case SINGLE_VIEW: display_tree_part(); diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c index 606ba8a63c..8c53d9478b 100644 --- a/scripts/kconfig/menu.c +++ b/scripts/kconfig/menu.c @@ -380,8 +380,6 @@ void menu_finalize(struct menu *parent) dep = expr_transform(dep); dep = expr_alloc_and(expr_copy(basedep), dep); dep = expr_eliminate_dups(dep); - if (menu->sym && menu->sym->type != S_TRISTATE) - dep = expr_trans_bool(dep); prop->visible.expr = dep; /* diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh index e5b46980c2..72da3b8d6f 100755 --- a/scripts/kconfig/merge_config.sh +++ b/scripts/kconfig/merge_config.sh @@ -160,6 +160,8 @@ for ORIG_MERGE_FILE in $MERGE_LIST ; do sed -i "/$CFG[ =]/d" $MERGE_FILE fi done + # In case the previous file lacks a new line at the end + echo >> $TMP_FILE cat $MERGE_FILE >> $TMP_FILE done diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc index 78087b2d9a..61b679f6c2 100644 --- a/scripts/kconfig/qconf.cc +++ b/scripts/kconfig/qconf.cc @@ -1172,7 +1172,7 @@ void ConfigInfoView::clicked(const QUrl &url) { QByteArray str = url.toEncoded(); const std::size_t count = str.size(); - char *data = new char[count + 1]; + char *data = new char[count + 2]; // '$' + '\0' struct symbol **result; struct menu *m = NULL; diff --git a/scripts/ld-version.sh b/scripts/ld-version.sh index a78b804b68..b9513d2244 100755 --- a/scripts/ld-version.sh +++ b/scripts/ld-version.sh @@ -57,9 +57,11 @@ else fi fi -# Some distributions append a package release number, as in 2.34-4.fc32 -# Trim the hyphen and any characters that follow. -version=${version%-*} +# There may be something after the version, such as a distribution's package +# release number (like Fedora's "2.34-4.fc32") or punctuation (like LLD briefly +# added before the "compatible with GNU linkers" string), so remove everything +# after just numbers and periods. +version=${version%%[!0-9.]*} cversion=$(get_canonical_version $version) min_cversion=$(get_canonical_version $min_version) diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh index 5a5a0cfad6..40cbc73c78 100755 --- a/scripts/link-vmlinux.sh +++ b/scripts/link-vmlinux.sh @@ -278,7 +278,7 @@ kallsyms_step() vmlinux_link ${kallsyms_vmlinux} "${kallsymso_prev}" ${btf_vmlinux_bin_o} kallsyms ${kallsyms_vmlinux} ${kallsyms_S} - info AS ${kallsyms_S} + info AS ${kallsymso} ${CC} ${NOSTDINC_FLAGS} ${LINUXINCLUDE} ${KBUILD_CPPFLAGS} \ ${KBUILD_AFLAGS} ${KBUILD_AFLAGS_KERNEL} \ -c -o ${kallsymso} ${kallsyms_S} diff --git a/security/Kconfig b/security/Kconfig index 5d412b3ddc..6c9b5869e6 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -19,6 +19,38 @@ config SECURITY_DMESG_RESTRICT If you are unsure how to answer this question, answer N. +choice + prompt "Allow /proc/pid/mem access override" + default PROC_MEM_ALWAYS_FORCE + help + Traditionally /proc/pid/mem allows users to override memory + permissions for users like ptrace, assuming they have ptrace + capability. + + This allows people to limit that - either never override, or + require actual active ptrace attachment. + + Defaults to the traditional behavior (for now) + +config PROC_MEM_ALWAYS_FORCE + bool "Traditional /proc/pid/mem behavior" + help + This allows /proc/pid/mem accesses to override memory mapping + permissions if you have ptrace access rights. + +config PROC_MEM_FORCE_PTRACE + bool "Require active ptrace() use for access override" + help + This allows /proc/pid/mem accesses to override memory mapping + permissions for active ptracers like gdb. + +config PROC_MEM_NO_FORCE + bool "Never" + help + Never override memory mapping permissions + +endchoice + config SECURITY bool "Enable different security models" depends on SYSFS diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c index 8c7719108d..c70b86f171 100644 --- a/security/apparmor/apparmorfs.c +++ b/security/apparmor/apparmorfs.c @@ -1679,6 +1679,10 @@ int __aafs_profile_mkdir(struct aa_profile *profile, struct dentry *parent) struct aa_profile *p; p = aa_deref_parent(profile); dent = prof_dir(p); + if (!dent) { + error = -ENOENT; + goto fail2; + } /* adding to parent that previously didn't have children */ dent = aafs_create_dir("profiles", dent); if (IS_ERR(dent)) diff --git a/security/apparmor/audit.c b/security/apparmor/audit.c index 704b0c8956..963df28584 100644 --- a/security/apparmor/audit.c +++ b/security/apparmor/audit.c @@ -173,7 +173,7 @@ void aa_audit_rule_free(void *vrule) } } -int aa_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule) +int aa_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule, gfp_t gfp) { struct aa_audit_rule *rule; @@ -186,14 +186,14 @@ int aa_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule) return -EINVAL; } - rule = kzalloc(sizeof(struct aa_audit_rule), GFP_KERNEL); + rule = kzalloc(sizeof(struct aa_audit_rule), gfp); if (!rule) return -ENOMEM; /* Currently rules are treated as coming from the root ns */ rule->label = aa_label_parse(&root_ns->unconfined->label, rulestr, - GFP_KERNEL, true, false); + gfp, true, false); if (IS_ERR(rule->label)) { int err = PTR_ERR(rule->label); aa_audit_rule_free(rule); diff --git a/security/apparmor/include/audit.h b/security/apparmor/include/audit.h index 18519a4eb6..f325f1bef8 100644 --- a/security/apparmor/include/audit.h +++ b/security/apparmor/include/audit.h @@ -186,7 +186,7 @@ static inline int complain_error(int error) } void aa_audit_rule_free(void *vrule); -int aa_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule); +int aa_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule, gfp_t gfp); int aa_audit_rule_known(struct audit_krule *rule); int aa_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule); diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c index 10274eb90f..cf26ffe8cc 100644 --- a/security/apparmor/lsm.c +++ b/security/apparmor/lsm.c @@ -1057,6 +1057,13 @@ static int apparmor_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) if (!skb->secmark) return 0; + /* + * If reach here before socket_post_create hook is called, in which + * case label is null, drop the packet. + */ + if (!ctx->label) + return -EACCES; + return apparmor_secmark_check(ctx->label, OP_RECVMSG, AA_MAY_RECEIVE, skb->secmark, sk); } diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c index fcf22577f6..e59bdb750e 100644 --- a/security/apparmor/policy.c +++ b/security/apparmor/policy.c @@ -187,7 +187,7 @@ static void aa_free_data(void *ptr, void *arg) { struct aa_data *data = ptr; - kfree_sensitive(data->data); + kvfree_sensitive(data->data, data->size); kfree_sensitive(data->key); kfree_sensitive(data); } diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c index d1a385b44d..851fd62128 100644 --- a/security/apparmor/policy_unpack.c +++ b/security/apparmor/policy_unpack.c @@ -915,6 +915,7 @@ static struct aa_profile *unpack_profile(struct aa_ext *e, char **ns_name) if (rhashtable_insert_fast(profile->data, &data->head, profile->data->p)) { + kvfree_sensitive(data->data, data->size); kfree_sensitive(data->key); kfree_sensitive(data); info = "failed to insert data to table"; diff --git a/security/apparmor/policy_unpack_test.c b/security/apparmor/policy_unpack_test.c index 533137f453..4951d9bef5 100644 --- a/security/apparmor/policy_unpack_test.c +++ b/security/apparmor/policy_unpack_test.c @@ -78,14 +78,14 @@ struct aa_ext *build_aa_ext_struct(struct policy_unpack_fixture *puf, *(buf + 1) = strlen(TEST_U32_NAME) + 1; strcpy(buf + 3, TEST_U32_NAME); *(buf + 3 + strlen(TEST_U32_NAME) + 1) = AA_U32; - *((u32 *)(buf + 3 + strlen(TEST_U32_NAME) + 2)) = TEST_U32_DATA; + *((__le32 *)(buf + 3 + strlen(TEST_U32_NAME) + 2)) = cpu_to_le32(TEST_U32_DATA); buf = e->start + TEST_NAMED_U64_BUF_OFFSET; *buf = AA_NAME; *(buf + 1) = strlen(TEST_U64_NAME) + 1; strcpy(buf + 3, TEST_U64_NAME); *(buf + 3 + strlen(TEST_U64_NAME) + 1) = AA_U64; - *((u64 *)(buf + 3 + strlen(TEST_U64_NAME) + 2)) = TEST_U64_DATA; + *((__le64 *)(buf + 3 + strlen(TEST_U64_NAME) + 2)) = cpu_to_le64(TEST_U64_DATA); buf = e->start + TEST_NAMED_BLOB_BUF_OFFSET; *buf = AA_NAME; @@ -101,7 +101,7 @@ struct aa_ext *build_aa_ext_struct(struct policy_unpack_fixture *puf, *(buf + 1) = strlen(TEST_ARRAY_NAME) + 1; strcpy(buf + 3, TEST_ARRAY_NAME); *(buf + 3 + strlen(TEST_ARRAY_NAME) + 1) = AA_ARRAY; - *((u16 *)(buf + 3 + strlen(TEST_ARRAY_NAME) + 2)) = TEST_ARRAY_SIZE; + *((__le16 *)(buf + 3 + strlen(TEST_ARRAY_NAME) + 2)) = cpu_to_le16(TEST_ARRAY_SIZE); return e; } diff --git a/security/bpf/hooks.c b/security/bpf/hooks.c index e5971fa74f..d2925f4312 100644 --- a/security/bpf/hooks.c +++ b/security/bpf/hooks.c @@ -24,7 +24,6 @@ static int __init bpf_lsm_init(void) struct lsm_blob_sizes bpf_lsm_blob_sizes __lsm_ro_after_init = { .lbs_inode = sizeof(struct bpf_storage_blob), - .lbs_task = sizeof(struct bpf_storage_blob), }; DEFINE_LSM(bpf) = { diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h index 0afe413dda..f9095e4f61 100644 --- a/security/integrity/ima/ima.h +++ b/security/integrity/ima/ima.h @@ -428,7 +428,7 @@ static inline void ima_free_modsig(struct modsig *modsig) #else static inline int ima_filter_rule_init(u32 field, u32 op, char *rulestr, - void **lsmrule) + void **lsmrule, gfp_t gfp) { return -EINVAL; } diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c index 7e41917e1f..6beef8ce31 100644 --- a/security/integrity/ima/ima_policy.c +++ b/security/integrity/ima/ima_policy.c @@ -370,7 +370,8 @@ static void ima_free_rule(struct ima_rule_entry *entry) kfree(entry); } -static struct ima_rule_entry *ima_lsm_copy_rule(struct ima_rule_entry *entry) +static struct ima_rule_entry *ima_lsm_copy_rule(struct ima_rule_entry *entry, + gfp_t gfp) { struct ima_rule_entry *nentry; int i; @@ -379,7 +380,7 @@ static struct ima_rule_entry *ima_lsm_copy_rule(struct ima_rule_entry *entry) * Immutable elements are copied over as pointers and data; only * lsm rules can change */ - nentry = kmemdup(entry, sizeof(*nentry), GFP_KERNEL); + nentry = kmemdup(entry, sizeof(*nentry), gfp); if (!nentry) return NULL; @@ -394,7 +395,8 @@ static struct ima_rule_entry *ima_lsm_copy_rule(struct ima_rule_entry *entry) ima_filter_rule_init(nentry->lsm[i].type, Audit_equal, nentry->lsm[i].args_p, - &nentry->lsm[i].rule); + &nentry->lsm[i].rule, + gfp); if (!nentry->lsm[i].rule) pr_warn("rule for LSM \'%s\' is undefined\n", nentry->lsm[i].args_p); @@ -407,7 +409,7 @@ static int ima_lsm_update_rule(struct ima_rule_entry *entry) int i; struct ima_rule_entry *nentry; - nentry = ima_lsm_copy_rule(entry); + nentry = ima_lsm_copy_rule(entry, GFP_KERNEL); if (!nentry) return -ENOMEM; @@ -618,7 +620,7 @@ static bool ima_match_rules(struct ima_rule_entry *rule, } if (rc == -ESTALE && !rule_reinitialized) { - lsm_rule = ima_lsm_copy_rule(rule); + lsm_rule = ima_lsm_copy_rule(rule, GFP_ATOMIC); if (lsm_rule) { rule_reinitialized = true; goto retry; @@ -1080,7 +1082,8 @@ static int ima_lsm_rule_init(struct ima_rule_entry *entry, entry->lsm[lsm_rule].type = audit_type; result = ima_filter_rule_init(entry->lsm[lsm_rule].type, Audit_equal, entry->lsm[lsm_rule].args_p, - &entry->lsm[lsm_rule].rule); + &entry->lsm[lsm_rule].rule, + GFP_KERNEL); if (!entry->lsm[lsm_rule].rule) { pr_warn("rule for LSM \'%s\' is undefined\n", entry->lsm[lsm_rule].args_p); diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c index cfb5000876..255115251c 100644 --- a/security/keys/keyctl.c +++ b/security/keys/keyctl.c @@ -1694,7 +1694,7 @@ long keyctl_session_to_parent(void) goto unlock; /* cancel an already pending keyring replacement */ - oldwork = task_work_cancel(parent, key_change_session_keyring); + oldwork = task_work_cancel_func(parent, key_change_session_keyring); /* the replacement session keyring is applied just prior to userspace * restarting */ diff --git a/security/keys/keyring.c b/security/keys/keyring.c index 5e6a907607..1febc2a8ab 100644 --- a/security/keys/keyring.c +++ b/security/keys/keyring.c @@ -772,8 +772,11 @@ static bool search_nested_keyrings(struct key *keyring, for (; slot < ASSOC_ARRAY_FAN_OUT; slot++) { ptr = READ_ONCE(node->slots[slot]); - if (assoc_array_ptr_is_meta(ptr) && node->back_pointer) - goto descend_to_node; + if (assoc_array_ptr_is_meta(ptr)) { + if (node->back_pointer || + assoc_array_ptr_is_shortcut(ptr)) + goto descend_to_node; + } if (!keyring_ptr_is_keyring(ptr)) continue; diff --git a/security/landlock/cred.c b/security/landlock/cred.c index ec6c37f04a..e215607fd4 100644 --- a/security/landlock/cred.c +++ b/security/landlock/cred.c @@ -14,8 +14,8 @@ #include "ruleset.h" #include "setup.h" -static int hook_cred_prepare(struct cred *const new, - const struct cred *const old, const gfp_t gfp) +static void hook_cred_transfer(struct cred *const new, + const struct cred *const old) { struct landlock_ruleset *const old_dom = landlock_cred(old)->domain; @@ -23,6 +23,12 @@ static int hook_cred_prepare(struct cred *const new, landlock_get_ruleset(old_dom); landlock_cred(new)->domain = old_dom; } +} + +static int hook_cred_prepare(struct cred *const new, + const struct cred *const old, const gfp_t gfp) +{ + hook_cred_transfer(new, old); return 0; } @@ -36,6 +42,7 @@ static void hook_cred_free(struct cred *const cred) static struct security_hook_list landlock_hooks[] __lsm_ro_after_init = { LSM_HOOK_INIT(cred_prepare, hook_cred_prepare), + LSM_HOOK_INIT(cred_transfer, hook_cred_transfer), LSM_HOOK_INIT(cred_free, hook_cred_free), }; diff --git a/security/security.c b/security/security.c index 33864d067f..1ed387c477 100644 --- a/security/security.c +++ b/security/security.c @@ -2587,9 +2587,11 @@ int security_key_getsecurity(struct key *key, char **_buffer) #ifdef CONFIG_AUDIT -int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) +int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule, + gfp_t gfp) { - return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); + return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule, + gfp); } int security_audit_rule_known(struct audit_krule *krule) diff --git a/security/selinux/avc.c b/security/selinux/avc.c index 97f4c944a2..5e0ed15466 100644 --- a/security/selinux/avc.c +++ b/security/selinux/avc.c @@ -332,12 +332,12 @@ static int avc_add_xperms_decision(struct avc_node *node, { struct avc_xperms_decision_node *dest_xpd; - node->ae.xp_node->xp.len++; dest_xpd = avc_xperms_decision_alloc(src->used); if (!dest_xpd) return -ENOMEM; avc_copy_xperms_decision(&dest_xpd->xpd, src); list_add(&dest_xpd->xpd_list, &node->ae.xp_node->xpd_head); + node->ae.xp_node->xp.len++; return 0; } diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index d9a680792b..69143a216a 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -6727,8 +6727,8 @@ static int selinux_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen */ static int selinux_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) { - return __vfs_setxattr_noperm(&init_user_ns, dentry, XATTR_NAME_SELINUX, - ctx, ctxlen, 0); + return __vfs_setxattr_locked(&init_user_ns, dentry, XATTR_NAME_SELINUX, + ctx, ctxlen, 0, NULL); } static int selinux_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) diff --git a/security/selinux/include/audit.h b/security/selinux/include/audit.h index 073a3d34a0..72af85ff96 100644 --- a/security/selinux/include/audit.h +++ b/security/selinux/include/audit.h @@ -18,12 +18,14 @@ * @op: the operater the rule uses * @rulestr: the text "target" of the rule * @rule: pointer to the new rule structure returned via this + * @gfp: GFP flag used for kmalloc * * Returns 0 if successful, -errno if not. On success, the rule structure * will be allocated internally. The caller must free this structure with * selinux_audit_rule_free() after use. */ -int selinux_audit_rule_init(u32 field, u32 op, char *rulestr, void **rule); +int selinux_audit_rule_init(u32 field, u32 op, char *rulestr, void **rule, + gfp_t gfp); /** * selinux_audit_rule_free - free an selinux audit rule structure. diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index f2f6203e0f..13be7826ae 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -619,6 +619,13 @@ static ssize_t sel_write_load(struct file *file, const char __user *buf, ssize_t length; void *data = NULL; + /* no partial writes */ + if (*ppos) + return -EINVAL; + /* no empty policies */ + if (!count) + return -EINVAL; + mutex_lock(&fsi->state->policy_mutex); length = avc_has_perm(&selinux_state, @@ -627,26 +634,21 @@ static ssize_t sel_write_load(struct file *file, const char __user *buf, if (length) goto out; - /* No partial writes. */ - length = -EINVAL; - if (*ppos != 0) - goto out; - - length = -ENOMEM; data = vmalloc(count); - if (!data) + if (!data) { + length = -ENOMEM; goto out; - - length = -EFAULT; - if (copy_from_user(data, buf, count) != 0) + } + if (copy_from_user(data, buf, count) != 0) { + length = -EFAULT; goto out; + } length = security_load_policy(fsi->state, data, count, &load_state); if (length) { pr_warn_ratelimited("SELinux: failed to load policy\n"); goto out; } - length = sel_make_policy_nodes(fsi, load_state.policy); if (length) { pr_warn_ratelimited("SELinux: failed to initialize selinuxfs\n"); @@ -655,13 +657,12 @@ static ssize_t sel_write_load(struct file *file, const char __user *buf, } selinux_policy_commit(fsi->state, &load_state); - length = count; - audit_log(audit_context(), GFP_KERNEL, AUDIT_MAC_POLICY_LOAD, "auid=%u ses=%u lsm=selinux res=1", from_kuid(&init_user_ns, audit_get_loginuid(current)), audit_get_sessionid(current)); + out: mutex_unlock(&fsi->state->policy_mutex); vfree(data); diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index 01716ed765..92d4f93c59 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -3560,7 +3560,8 @@ void selinux_audit_rule_free(void *vrule) } } -int selinux_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule) +int selinux_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule, + gfp_t gfp) { struct selinux_state *state = &selinux_state; struct selinux_policy *policy; @@ -3601,7 +3602,7 @@ int selinux_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule) return -EINVAL; } - tmprule = kzalloc(sizeof(struct selinux_audit_rule), GFP_KERNEL); + tmprule = kzalloc(sizeof(struct selinux_audit_rule), gfp); if (!tmprule) return -ENOMEM; diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index c6f211758f..1c62b3db50 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -3641,12 +3641,18 @@ static int smack_unix_stream_connect(struct sock *sock, } } - /* - * Cross reference the peer labels for SO_PEERSEC. - */ if (rc == 0) { + /* + * Cross reference the peer labels for SO_PEERSEC. + */ nsp->smk_packet = ssp->smk_out; ssp->smk_packet = osp->smk_out; + + /* + * new/child/established socket must inherit listening socket labels + */ + nsp->smk_out = osp->smk_out; + nsp->smk_in = osp->smk_in; } return rc; @@ -4225,7 +4231,7 @@ static int smack_inet_conn_request(const struct sock *sk, struct sk_buff *skb, rcu_read_unlock(); if (hskp == NULL) - rc = netlbl_req_setattr(req, &skp->smk_netlabel); + rc = netlbl_req_setattr(req, &ssp->smk_out->smk_netlabel); else netlbl_req_delattr(req); @@ -4487,11 +4493,13 @@ static int smack_post_notification(const struct cred *w_cred, * @op: required testing operator (=, !=, >, <, ...) * @rulestr: smack label to be audited * @vrule: pointer to save our own audit rule representation + * @gfp: type of the memory for the allocation * * Prepare to audit cases where (@field @op @rulestr) is true. * The label to be audited is created if necessay. */ -static int smack_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule) +static int smack_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule, + gfp_t gfp) { struct smack_known *skp; char **rule = (char **)vrule; @@ -4641,8 +4649,8 @@ static int smack_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) static int smack_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) { - return __vfs_setxattr_noperm(&init_user_ns, dentry, XATTR_NAME_SMACK, - ctx, ctxlen, 0); + return __vfs_setxattr_locked(&init_user_ns, dentry, XATTR_NAME_SMACK, + ctx, ctxlen, 0, NULL); } static int smack_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index 27fd7744e0..f6961a8895 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c @@ -920,7 +920,7 @@ static ssize_t smk_set_cipso(struct file *file, const char __user *buf, rc = smk_netlbl_mls(maplevel, mapcatset, &ncats, SMK_CIPSOLEN); if (rc >= 0) { old_cat = skp->smk_netlabel.attr.mls.cat; - skp->smk_netlabel.attr.mls.cat = ncats.attr.mls.cat; + rcu_assign_pointer(skp->smk_netlabel.attr.mls.cat, ncats.attr.mls.cat); skp->smk_netlabel.attr.mls.lvl = ncats.attr.mls.lvl; synchronize_rcu(); netlbl_catmap_free(old_cat); diff --git a/security/tomoyo/domain.c b/security/tomoyo/domain.c index 31af29f669..e9e1ec5041 100644 --- a/security/tomoyo/domain.c +++ b/security/tomoyo/domain.c @@ -723,10 +723,13 @@ int tomoyo_find_next_domain(struct linux_binprm *bprm) ee->r.obj = &ee->obj; ee->obj.path1 = bprm->file->f_path; /* Get symlink's pathname of program. */ - retval = -ENOENT; exename.name = tomoyo_realpath_nofollow(original_name); - if (!exename.name) - goto out; + if (!exename.name) { + /* Fallback to realpath if symlink's pathname does not exist. */ + exename.name = tomoyo_realpath_from_path(&bprm->file->f_path); + if (!exename.name) + goto out; + } tomoyo_fill_path_info(&exename); retry: /* Check 'aggregator' directive. */ diff --git a/sound/Kconfig b/sound/Kconfig index 1903c35d79..5848eedcc3 100644 --- a/sound/Kconfig +++ b/sound/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only menuconfig SOUND tristate "Sound card support" - depends on HAS_IOMEM || UML + depends on HAS_IOMEM || INDIRECT_IOMEM help If you have a sound card in your computer, i.e. if it can say more than an occasional beep, say Y. diff --git a/sound/core/init.c b/sound/core/init.c index 088f4f1874..16417433fb 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -660,13 +660,19 @@ int snd_card_free(struct snd_card *card) } EXPORT_SYMBOL(snd_card_free); +/* check, if the character is in the valid ASCII range */ +static inline bool safe_ascii_char(char c) +{ + return isascii(c) && isalnum(c); +} + /* retrieve the last word of shortname or longname */ static const char *retrieve_id_from_card_name(const char *name) { const char *spos = name; while (*name) { - if (isspace(*name) && isalnum(name[1])) + if (isspace(*name) && safe_ascii_char(name[1])) spos = name + 1; name++; } @@ -693,12 +699,12 @@ static void copy_valid_id_string(struct snd_card *card, const char *src, { char *id = card->id; - while (*nid && !isalnum(*nid)) + while (*nid && !safe_ascii_char(*nid)) nid++; if (isdigit(*nid)) *id++ = isalpha(*src) ? *src : 'D'; while (*nid && (size_t)(id - card->id) < sizeof(card->id) - 1) { - if (isalnum(*nid)) + if (safe_ascii_char(*nid)) *id++ = *nid; nid++; } @@ -794,7 +800,7 @@ static ssize_t id_store(struct device *dev, struct device_attribute *attr, for (idx = 0; idx < copy; idx++) { c = buf[idx]; - if (!isalnum(c) && c != '_' && c != '-') + if (!safe_ascii_char(c) && c != '_' && c != '-') return -EINVAL; } memcpy(buf1, buf, copy); diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c index 9620115cfd..c8291869ef 100644 --- a/sound/core/oss/mixer_oss.c +++ b/sound/core/oss/mixer_oss.c @@ -967,8 +967,8 @@ static void snd_mixer_oss_slot_free(struct snd_mixer_oss_slot *chn) struct slot *p = chn->private_data; if (p) { if (p->allocated && p->assigned) { - kfree_const(p->assigned->name); - kfree_const(p->assigned); + kfree(p->assigned->name); + kfree(p->assigned); } kfree(p); } diff --git a/sound/core/pcm_dmaengine.c b/sound/core/pcm_dmaengine.c index 0fe93b423c..c57485f06a 100644 --- a/sound/core/pcm_dmaengine.c +++ b/sound/core/pcm_dmaengine.c @@ -344,6 +344,20 @@ int snd_dmaengine_pcm_open_request_chan(struct snd_pcm_substream *substream, } EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_open_request_chan); +int snd_dmaengine_pcm_sync_stop(struct snd_pcm_substream *substream) +{ + struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream); + struct dma_tx_state state; + enum dma_status status; + + status = dmaengine_tx_status(prtd->dma_chan, prtd->cookie, &state); + if (status != DMA_PAUSED) + dmaengine_synchronize(prtd->dma_chan); + + return 0; +} +EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_sync_stop); + /** * snd_dmaengine_pcm_close - Close a dmaengine based PCM substream * @substream: PCM substream @@ -351,6 +365,12 @@ EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_open_request_chan); int snd_dmaengine_pcm_close(struct snd_pcm_substream *substream) { struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream); + struct dma_tx_state state; + enum dma_status status; + + status = dmaengine_tx_status(prtd->dma_chan, prtd->cookie, &state); + if (status == DMA_PAUSED) + dmaengine_terminate_async(prtd->dma_chan); dmaengine_synchronize(prtd->dma_chan); kfree(prtd); @@ -369,6 +389,12 @@ EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_close); int snd_dmaengine_pcm_close_release_chan(struct snd_pcm_substream *substream) { struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream); + struct dma_tx_state state; + enum dma_status status; + + status = dmaengine_tx_status(prtd->dma_chan, prtd->cookie, &state); + if (status == DMA_PAUSED) + dmaengine_terminate_async(prtd->dma_chan); dmaengine_synchronize(prtd->dma_chan); dma_release_channel(prtd->dma_chan); diff --git a/sound/core/timer.c b/sound/core/timer.c index 38f3b30efa..ecad57a1bc 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -556,7 +556,7 @@ static int snd_timer_start1(struct snd_timer_instance *timeri, /* check the actual time for the start tick; * bail out as error if it's way too low (< 100us) */ - if (start) { + if (start && !(timer->hw.flags & SNDRV_TIMER_HW_SLAVE)) { if ((u64)snd_timer_hw_resolution(timer) * ticks < 100000) { result = -EINVAL; goto unlock; diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c index 8753125683..b5b3b4d177 100644 --- a/sound/firewire/amdtp-stream.c +++ b/sound/firewire/amdtp-stream.c @@ -77,6 +77,8 @@ // overrun. Actual device can skip more, then this module stops the packet streaming. #define IR_JUMBO_PAYLOAD_MAX_SKIP_CYCLES 5 +static void pcm_period_work(struct work_struct *work); + /** * amdtp_stream_init - initialize an AMDTP stream structure * @s: the AMDTP stream to initialize @@ -105,6 +107,7 @@ int amdtp_stream_init(struct amdtp_stream *s, struct fw_unit *unit, s->flags = flags; s->context = ERR_PTR(-1); mutex_init(&s->mutex); + INIT_WORK(&s->period_work, pcm_period_work); s->packet_index = 0; init_waitqueue_head(&s->ready_wait); @@ -169,6 +172,9 @@ static int apply_constraint_to_size(struct snd_pcm_hw_params *params, step = max(step, amdtp_syt_intervals[i]); } + if (step == 0) + return -EINVAL; + t.min = roundup(s->min, step); t.max = rounddown(s->max, step); t.integer = 1; @@ -343,6 +349,7 @@ EXPORT_SYMBOL(amdtp_stream_get_max_payload); */ void amdtp_stream_pcm_prepare(struct amdtp_stream *s) { + cancel_work_sync(&s->period_work); s->pcm_buffer_pointer = 0; s->pcm_period_pointer = 0; } @@ -609,19 +616,21 @@ static void update_pcm_pointers(struct amdtp_stream *s, // The program in user process should periodically check the status of intermediate // buffer associated to PCM substream to process PCM frames in the buffer, instead // of receiving notification of period elapsed by poll wait. - if (!pcm->runtime->no_period_wakeup) { - if (in_softirq()) { - // In software IRQ context for 1394 OHCI. - snd_pcm_period_elapsed(pcm); - } else { - // In process context of ALSA PCM application under acquired lock of - // PCM substream. - snd_pcm_period_elapsed_under_stream_lock(pcm); - } - } + if (!pcm->runtime->no_period_wakeup) + queue_work(system_highpri_wq, &s->period_work); } } +static void pcm_period_work(struct work_struct *work) +{ + struct amdtp_stream *s = container_of(work, struct amdtp_stream, + period_work); + struct snd_pcm_substream *pcm = READ_ONCE(s->pcm); + + if (pcm) + snd_pcm_period_elapsed(pcm); +} + static int queue_packet(struct amdtp_stream *s, struct fw_iso_packet *params, bool sched_irq) { @@ -1738,11 +1747,14 @@ unsigned long amdtp_domain_stream_pcm_pointer(struct amdtp_domain *d, { struct amdtp_stream *irq_target = d->irq_target; - // Process isochronous packets queued till recent isochronous cycle to handle PCM frames. if (irq_target && amdtp_stream_running(irq_target)) { - // In software IRQ context, the call causes dead-lock to disable the tasklet - // synchronously. - if (!in_softirq()) + // use wq to prevent AB/BA deadlock competition for + // substream lock: + // fw_iso_context_flush_completions() acquires + // lock by ohci_flush_iso_completions(), + // amdtp-stream process_rx_packets() attempts to + // acquire same lock by snd_pcm_elapsed() + if (current_work() != &s->period_work) fw_iso_context_flush_completions(irq_target->context); } @@ -1798,6 +1810,7 @@ static void amdtp_stream_stop(struct amdtp_stream *s) return; } + cancel_work_sync(&s->period_work); fw_iso_context_stop(s->context); fw_iso_context_destroy(s->context); s->context = ERR_PTR(-1); diff --git a/sound/firewire/amdtp-stream.h b/sound/firewire/amdtp-stream.h index cf9ab34727..011d0f0c39 100644 --- a/sound/firewire/amdtp-stream.h +++ b/sound/firewire/amdtp-stream.h @@ -190,6 +190,7 @@ struct amdtp_stream { /* For a PCM substream processing. */ struct snd_pcm_substream *pcm; + struct work_struct period_work; snd_pcm_uframes_t pcm_buffer_pointer; unsigned int pcm_period_pointer; diff --git a/sound/firewire/tascam/amdtp-tascam.c b/sound/firewire/tascam/amdtp-tascam.c index 64d66a8025..ad185ff320 100644 --- a/sound/firewire/tascam/amdtp-tascam.c +++ b/sound/firewire/tascam/amdtp-tascam.c @@ -244,7 +244,7 @@ int amdtp_tscm_init(struct amdtp_stream *s, struct fw_unit *unit, err = amdtp_stream_init(s, unit, dir, flags, fmt, process_ctx_payloads, sizeof(struct amdtp_tscm)); if (err < 0) - return 0; + return err; if (dir == AMDTP_OUT_STREAM) { // Use fixed value for FDF field. diff --git a/sound/hda/hdmi_chmap.c b/sound/hda/hdmi_chmap.c index aad5c4bf4d..0ebf4d9078 100644 --- a/sound/hda/hdmi_chmap.c +++ b/sound/hda/hdmi_chmap.c @@ -753,6 +753,20 @@ static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol, return 0; } +/* a simple sanity check for input values to chmap kcontrol */ +static int chmap_value_check(struct hdac_chmap *hchmap, + const struct snd_ctl_elem_value *ucontrol) +{ + int i; + + for (i = 0; i < hchmap->channels_max; i++) { + if (ucontrol->value.integer.value[i] < 0 || + ucontrol->value.integer.value[i] > SNDRV_CHMAP_LAST) + return -EINVAL; + } + return 0; +} + static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -764,6 +778,10 @@ static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol, unsigned char chmap[8], per_pin_chmap[8]; int i, err, ca, prepared = 0; + err = chmap_value_check(hchmap, ucontrol); + if (err < 0) + return err; + /* No monitor is connected in dyn_pcm_assign. * It's invalid to setup the chmap */ diff --git a/sound/pci/asihpi/hpimsgx.c b/sound/pci/asihpi/hpimsgx.c index f7427f8eb6..761fc62f68 100644 --- a/sound/pci/asihpi/hpimsgx.c +++ b/sound/pci/asihpi/hpimsgx.c @@ -713,7 +713,7 @@ static u16 HPIMSGX__init(struct hpi_message *phm, phr->error = HPI_ERROR_PROCESSING_MESSAGE; return phr->error; } - if (hr.error == 0) { + if (hr.error == 0 && hr.u.s.adapter_index < HPI_MAX_ADAPTERS) { /* the adapter was created successfully save the mapping for future use */ hpi_entry_points[hr.u.s.adapter_index] = entry_point_func; diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index dbf7aa88e0..2551fb9c6e 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -1379,7 +1379,7 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs, struct nid_path *path; hda_nid_t pin = pins[i]; - if (!spec->obey_preferred_dacs) { + if (!spec->preferred_dacs) { path = snd_hda_get_path_from_idx(codec, path_idx[i]); if (path) { badness += assign_out_path_ctls(codec, path); @@ -1391,7 +1391,7 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs, if (dacs[i]) { if (is_dac_already_used(codec, dacs[i])) badness += bad->shared_primary; - } else if (spec->obey_preferred_dacs) { + } else if (spec->preferred_dacs) { badness += BAD_NO_PRIMARY_DAC; } @@ -4952,6 +4952,69 @@ void snd_hda_gen_stream_pm(struct hda_codec *codec, hda_nid_t nid, bool on) } EXPORT_SYMBOL_GPL(snd_hda_gen_stream_pm); +/* forcibly mute the speaker output without caching; return true if updated */ +static bool force_mute_output_path(struct hda_codec *codec, hda_nid_t nid) +{ + if (!nid) + return false; + if (!nid_has_mute(codec, nid, HDA_OUTPUT)) + return false; /* no mute, skip */ + if (snd_hda_codec_amp_read(codec, nid, 0, HDA_OUTPUT, 0) & + snd_hda_codec_amp_read(codec, nid, 1, HDA_OUTPUT, 0) & + HDA_AMP_MUTE) + return false; /* both channels already muted, skip */ + + /* direct amp update without caching */ + snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, + AC_AMP_SET_OUTPUT | AC_AMP_SET_LEFT | + AC_AMP_SET_RIGHT | HDA_AMP_MUTE); + return true; +} + +/** + * snd_hda_gen_shutup_speakers - Forcibly mute the speaker outputs + * @codec: the HDA codec + * + * Forcibly mute the speaker outputs, to be called at suspend or shutdown. + * + * The mute state done by this function isn't cached, hence the original state + * will be restored at resume. + * + * Return true if the mute state has been changed. + */ +bool snd_hda_gen_shutup_speakers(struct hda_codec *codec) +{ + struct hda_gen_spec *spec = codec->spec; + const int *paths; + const struct nid_path *path; + int i, p, num_paths; + bool updated = false; + + /* if already powered off, do nothing */ + if (!snd_hdac_is_power_on(&codec->core)) + return false; + + if (spec->autocfg.line_out_type == AUTO_PIN_SPEAKER_OUT) { + paths = spec->out_paths; + num_paths = spec->autocfg.line_outs; + } else { + paths = spec->speaker_paths; + num_paths = spec->autocfg.speaker_outs; + } + + for (i = 0; i < num_paths; i++) { + path = snd_hda_get_path_from_idx(codec, paths[i]); + if (!path) + continue; + for (p = 0; p < path->depth; p++) + if (force_mute_output_path(codec, path->path[p])) + updated = true; + } + + return updated; +} +EXPORT_SYMBOL_GPL(snd_hda_gen_shutup_speakers); + /** * snd_hda_gen_parse_auto_config - Parse the given BIOS configuration and * set up the hda_gen_spec diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h index 362ddcaea1..8fdbb4a14e 100644 --- a/sound/pci/hda/hda_generic.h +++ b/sound/pci/hda/hda_generic.h @@ -352,5 +352,6 @@ int snd_hda_gen_add_mute_led_cdev(struct hda_codec *codec, int snd_hda_gen_add_micmute_led_cdev(struct hda_codec *codec, int (*callback)(struct led_classdev *, enum led_brightness)); +bool snd_hda_gen_shutup_speakers(struct hda_codec *codec); #endif /* __SOUND_HDA_GENERIC_H */ diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index dd4d802c9e..6913d113bb 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2715,7 +2715,7 @@ static const struct pci_device_id azx_ids[] = { .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS | AZX_DCAPS_PM_RUNTIME }, /* GLENFLY */ - { PCI_DEVICE(0x6766, PCI_ANY_ID), + { PCI_DEVICE(PCI_VENDOR_ID_GLENFLY, PCI_ANY_ID), .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, .class_mask = 0xffffff, .driver_data = AZX_DRIVER_GFHDMI | AZX_DCAPS_POSFIX_LPIB | diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 876380ad2e..8bc0dce592 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -21,12 +21,6 @@ #include "hda_jack.h" #include "hda_generic.h" -enum { - CX_HEADSET_NOPRESENT = 0, - CX_HEADSET_PARTPRESENT, - CX_HEADSET_ALLPRESENT, -}; - struct conexant_spec { struct hda_gen_spec gen; @@ -48,7 +42,6 @@ struct conexant_spec { unsigned int gpio_led; unsigned int gpio_mute_led_mask; unsigned int gpio_mic_led_mask; - unsigned int headset_present_flag; bool is_cx8070_sn6140; }; @@ -250,48 +243,19 @@ static void cx_process_headset_plugin(struct hda_codec *codec) } } -static void cx_update_headset_mic_vref(struct hda_codec *codec, unsigned int res) +static void cx_update_headset_mic_vref(struct hda_codec *codec, struct hda_jack_callback *event) { - unsigned int phone_present, mic_persent, phone_tag, mic_tag; - struct conexant_spec *spec = codec->spec; + unsigned int mic_present; /* In cx8070 and sn6140, the node 16 can only be config to headphone or disabled, * the node 19 can only be config to microphone or disabled. * Check hp&mic tag to process headset pulgin&plugout. */ - phone_tag = snd_hda_codec_read(codec, 0x16, 0, AC_VERB_GET_UNSOLICITED_RESPONSE, 0x0); - mic_tag = snd_hda_codec_read(codec, 0x19, 0, AC_VERB_GET_UNSOLICITED_RESPONSE, 0x0); - if ((phone_tag & (res >> AC_UNSOL_RES_TAG_SHIFT)) || - (mic_tag & (res >> AC_UNSOL_RES_TAG_SHIFT))) { - phone_present = snd_hda_codec_read(codec, 0x16, 0, AC_VERB_GET_PIN_SENSE, 0x0); - if (!(phone_present & AC_PINSENSE_PRESENCE)) {/* headphone plugout */ - spec->headset_present_flag = CX_HEADSET_NOPRESENT; - snd_hda_codec_write(codec, 0x19, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x20); - return; - } - if (spec->headset_present_flag == CX_HEADSET_NOPRESENT) { - spec->headset_present_flag = CX_HEADSET_PARTPRESENT; - } else if (spec->headset_present_flag == CX_HEADSET_PARTPRESENT) { - mic_persent = snd_hda_codec_read(codec, 0x19, 0, - AC_VERB_GET_PIN_SENSE, 0x0); - /* headset is present */ - if ((phone_present & AC_PINSENSE_PRESENCE) && - (mic_persent & AC_PINSENSE_PRESENCE)) { - cx_process_headset_plugin(codec); - spec->headset_present_flag = CX_HEADSET_ALLPRESENT; - } - } - } -} - -static void cx_jack_unsol_event(struct hda_codec *codec, unsigned int res) -{ - struct conexant_spec *spec = codec->spec; - - if (spec->is_cx8070_sn6140) - cx_update_headset_mic_vref(codec, res); - - snd_hda_jack_unsol_event(codec, res); + mic_present = snd_hda_codec_read(codec, 0x19, 0, AC_VERB_GET_PIN_SENSE, 0x0); + if (!(mic_present & AC_PINSENSE_PRESENCE)) /* mic plugout */ + snd_hda_codec_write(codec, 0x19, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x20); + else + cx_process_headset_plugin(codec); } #ifdef CONFIG_PM @@ -307,7 +271,7 @@ static const struct hda_codec_ops cx_auto_patch_ops = { .build_pcms = snd_hda_gen_build_pcms, .init = cx_auto_init, .free = cx_auto_free, - .unsol_event = cx_jack_unsol_event, + .unsol_event = snd_hda_jack_unsol_event, #ifdef CONFIG_PM .suspend = cx_auto_suspend, .check_power_status = snd_hda_gen_check_power_status, @@ -341,10 +305,12 @@ enum { CXT_FIXUP_HP_SPECTRE, CXT_FIXUP_HP_GATE_MIC, CXT_FIXUP_MUTE_LED_GPIO, + CXT_FIXUP_HP_ELITEONE_OUT_DIS, CXT_FIXUP_HP_ZBOOK_MUTE_LED, CXT_FIXUP_HEADSET_MIC, CXT_FIXUP_HP_MIC_NO_PRESENCE, CXT_PINCFG_SWS_JS201D, + CXT_PINCFG_TOP_SPEAKER, }; /* for hda_fixup_thinkpad_acpi() */ @@ -357,6 +323,19 @@ static void cxt_fixup_stereo_dmic(struct hda_codec *codec, spec->gen.inv_dmic_split = 1; } +/* fix widget control pin settings */ +static void cxt_fixup_update_pinctl(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + if (action == HDA_FIXUP_ACT_PROBE) { + /* Unset OUT_EN for this Node pin, leaving only HP_EN. + * This is the value stored in the codec register after + * the correct initialization of the previous windows boot. + */ + snd_hda_set_pin_ctl_cache(codec, 0x1d, AC_PINCTL_HP_EN); + } +} + static void cxt5066_increase_mic_boost(struct hda_codec *codec, const struct hda_fixup *fix, int action) { @@ -853,6 +832,23 @@ static const struct hda_pintbl cxt_pincfg_sws_js201d[] = { {} }; +/* pincfg quirk for Tuxedo Sirius; + * unfortunately the (PCI) SSID conflicts with System76 Pangolin pang14, + * which has incompatible pin setup, so we check the codec SSID (luckily + * different one!) and conditionally apply the quirk here + */ +static void cxt_fixup_sirius_top_speaker(struct hda_codec *codec, + const struct hda_fixup *fix, + int action) +{ + /* ignore for incorrectly picked-up pang14 */ + if (codec->core.subsystem_id == 0x278212b3) + return; + /* set up the top speaker pin */ + if (action == HDA_FIXUP_ACT_PRE_PROBE) + snd_hda_codec_set_pincfg(codec, 0x1d, 0x82170111); +} + static const struct hda_fixup cxt_fixups[] = { [CXT_PINCFG_LENOVO_X200] = { .type = HDA_FIXUP_PINS, @@ -991,6 +987,10 @@ static const struct hda_fixup cxt_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = cxt_fixup_mute_led_gpio, }, + [CXT_FIXUP_HP_ELITEONE_OUT_DIS] = { + .type = HDA_FIXUP_FUNC, + .v.func = cxt_fixup_update_pinctl, + }, [CXT_FIXUP_HP_ZBOOK_MUTE_LED] = { .type = HDA_FIXUP_FUNC, .v.func = cxt_fixup_hp_zbook_mute_led, @@ -1012,6 +1012,10 @@ static const struct hda_fixup cxt_fixups[] = { .type = HDA_FIXUP_PINS, .v.pins = cxt_pincfg_sws_js201d, }, + [CXT_PINCFG_TOP_SPEAKER] = { + .type = HDA_FIXUP_FUNC, + .v.func = cxt_fixup_sirius_top_speaker, + }, }; static const struct snd_pci_quirk cxt5045_fixups[] = { @@ -1077,6 +1081,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = { SND_PCI_QUIRK(0x103c, 0x83b2, "HP EliteBook 840 G5", CXT_FIXUP_HP_DOCK), SND_PCI_QUIRK(0x103c, 0x83b3, "HP EliteBook 830 G5", CXT_FIXUP_HP_DOCK), SND_PCI_QUIRK(0x103c, 0x83d3, "HP ProBook 640 G4", CXT_FIXUP_HP_DOCK), + SND_PCI_QUIRK(0x103c, 0x83e5, "HP EliteOne 1000 G2", CXT_FIXUP_HP_ELITEONE_OUT_DIS), SND_PCI_QUIRK(0x103c, 0x8402, "HP ProBook 645 G4", CXT_FIXUP_MUTE_LED_GPIO), SND_PCI_QUIRK(0x103c, 0x8427, "HP ZBook Studio G5", CXT_FIXUP_HP_ZBOOK_MUTE_LED), SND_PCI_QUIRK(0x103c, 0x844f, "HP ZBook Studio G5", CXT_FIXUP_HP_ZBOOK_MUTE_LED), @@ -1108,6 +1113,8 @@ static const struct snd_pci_quirk cxt5066_fixups[] = { SND_PCI_QUIRK_VENDOR(0x17aa, "Thinkpad", CXT_FIXUP_THINKPAD_ACPI), SND_PCI_QUIRK(0x1c06, 0x2011, "Lemote A1004", CXT_PINCFG_LEMOTE_A1004), SND_PCI_QUIRK(0x1c06, 0x2012, "Lemote A1205", CXT_PINCFG_LEMOTE_A1205), + SND_PCI_QUIRK(0x2782, 0x12c3, "Sirius Gen1", CXT_PINCFG_TOP_SPEAKER), + SND_PCI_QUIRK(0x2782, 0x12c5, "Sirius Gen2", CXT_PINCFG_TOP_SPEAKER), {} }; @@ -1127,6 +1134,7 @@ static const struct hda_model_fixup cxt5066_fixup_models[] = { { .id = CXT_FIXUP_HP_MIC_NO_PRESENCE, .name = "hp-mic-fix" }, { .id = CXT_PINCFG_LENOVO_NOTEBOOK, .name = "lenovo-20149" }, { .id = CXT_PINCFG_SWS_JS201D, .name = "sws-js201d" }, + { .id = CXT_PINCFG_TOP_SPEAKER, .name = "sirius-top-speaker" }, {} }; @@ -1167,7 +1175,7 @@ static int patch_conexant_auto(struct hda_codec *codec) case 0x14f11f86: case 0x14f11f87: spec->is_cx8070_sn6140 = true; - spec->headset_present_flag = CX_HEADSET_NOPRESENT; + snd_hda_jack_detect_enable_callback(codec, 0x19, cx_update_headset_mic_vref); break; } diff --git a/sound/pci/hda/patch_cs8409.c b/sound/pci/hda/patch_cs8409.c index abf4eef9af..7285220c36 100644 --- a/sound/pci/hda/patch_cs8409.c +++ b/sound/pci/hda/patch_cs8409.c @@ -1237,8 +1237,9 @@ void dolphin_fixups(struct hda_codec *codec, const struct hda_fixup *fix, int ac kctrl = snd_hda_gen_add_kctl(&spec->gen, "Line Out Playback Volume", &cs42l42_dac_volume_mixer); /* Update Line Out kcontrol template */ - kctrl->private_value = HDA_COMPOSE_AMP_VAL_OFS(DOLPHIN_HP_PIN_NID, 3, CS8409_CODEC1, - HDA_OUTPUT, CS42L42_VOL_DAC) | HDA_AMP_VAL_MIN_MUTE; + if (kctrl) + kctrl->private_value = HDA_COMPOSE_AMP_VAL_OFS(DOLPHIN_HP_PIN_NID, 3, CS8409_CODEC1, + HDA_OUTPUT, CS42L42_VOL_DAC) | HDA_AMP_VAL_MIN_MUTE; cs8409_enable_ur(codec, 0); snd_hda_codec_set_name(codec, "CS8409/CS42L42"); break; diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 20a899db2f..81025d4530 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -1960,6 +1960,8 @@ static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid) } static const struct snd_pci_quirk force_connect_list[] = { + SND_PCI_QUIRK(0x103c, 0x83e2, "HP EliteDesk 800 G4", 1), + SND_PCI_QUIRK(0x103c, 0x83ef, "HP MP9 G4 Retail System AMS", 1), SND_PCI_QUIRK(0x103c, 0x870f, "HP", 1), SND_PCI_QUIRK(0x103c, 0x871a, "HP", 1), SND_PCI_QUIRK(0x103c, 0x8711, "HP", 1), diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index c7529aa13f..6b0d9e006f 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -577,10 +577,14 @@ static void alc_shutup_pins(struct hda_codec *codec) switch (codec->core.vendor_id) { case 0x10ec0236: case 0x10ec0256: + case 0x10ec0257: case 0x19e58326: case 0x10ec0283: + case 0x10ec0285: case 0x10ec0286: + case 0x10ec0287: case 0x10ec0288: + case 0x10ec0295: case 0x10ec0298: alc_headset_mic_no_shutup(codec); break; @@ -3844,20 +3848,18 @@ static void alc_default_init(struct hda_codec *codec) hp_pin_sense = snd_hda_jack_detect(codec, hp_pin); - if (hp_pin_sense) + if (hp_pin_sense) { msleep(2); - snd_hda_codec_write(codec, hp_pin, 0, - AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); - - if (hp_pin_sense) - msleep(85); + snd_hda_codec_write(codec, hp_pin, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); - snd_hda_codec_write(codec, hp_pin, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); + msleep(75); - if (hp_pin_sense) - msleep(100); + snd_hda_codec_write(codec, hp_pin, 0, + AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); + msleep(75); + } } static void alc_default_shutup(struct hda_codec *codec) @@ -3873,22 +3875,20 @@ static void alc_default_shutup(struct hda_codec *codec) hp_pin_sense = snd_hda_jack_detect(codec, hp_pin); - if (hp_pin_sense) + if (hp_pin_sense) { msleep(2); - snd_hda_codec_write(codec, hp_pin, 0, - AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); - - if (hp_pin_sense) - msleep(85); - - if (!spec->no_shutup_pins) snd_hda_codec_write(codec, hp_pin, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0); + AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); - if (hp_pin_sense) - msleep(100); + msleep(75); + + if (!spec->no_shutup_pins) + snd_hda_codec_write(codec, hp_pin, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0); + msleep(75); + } alc_auto_setup_eapd(codec, false); alc_shutup_pins(codec); } @@ -4902,6 +4902,30 @@ static void alc269_fixup_hp_line1_mic1_led(struct hda_codec *codec, } } +static void alc_hp_mute_disable(struct hda_codec *codec, unsigned int delay) +{ + if (delay <= 0) + delay = 75; + snd_hda_codec_write(codec, 0x21, 0, + AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); + msleep(delay); + snd_hda_codec_write(codec, 0x21, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0); + msleep(delay); +} + +static void alc_hp_enable_unmute(struct hda_codec *codec, unsigned int delay) +{ + if (delay <= 0) + delay = 75; + snd_hda_codec_write(codec, 0x21, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); + msleep(delay); + snd_hda_codec_write(codec, 0x21, 0, + AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); + msleep(delay); +} + static const struct coef_fw alc225_pre_hsmode[] = { UPDATE_COEF(0x4a, 1<<8, 0), UPDATE_COEFEX(0x57, 0x05, 1<<14, 0), @@ -5003,6 +5027,7 @@ static void alc_headset_mode_unplugged(struct hda_codec *codec) case 0x10ec0236: case 0x10ec0256: case 0x19e58326: + alc_hp_mute_disable(codec, 75); alc_process_coef_fw(codec, coef0256); break; case 0x10ec0234: @@ -5037,6 +5062,7 @@ static void alc_headset_mode_unplugged(struct hda_codec *codec) case 0x10ec0295: case 0x10ec0289: case 0x10ec0299: + alc_hp_mute_disable(codec, 75); alc_process_coef_fw(codec, alc225_pre_hsmode); alc_process_coef_fw(codec, coef0225); break; @@ -5262,6 +5288,7 @@ static void alc_headset_mode_default(struct hda_codec *codec) case 0x10ec0299: alc_process_coef_fw(codec, alc225_pre_hsmode); alc_process_coef_fw(codec, coef0225); + alc_hp_enable_unmute(codec, 75); break; case 0x10ec0255: alc_process_coef_fw(codec, coef0255); @@ -5274,6 +5301,7 @@ static void alc_headset_mode_default(struct hda_codec *codec) alc_write_coef_idx(codec, 0x45, 0xc089); msleep(50); alc_process_coef_fw(codec, coef0256); + alc_hp_enable_unmute(codec, 75); break; case 0x10ec0234: case 0x10ec0274: @@ -5371,6 +5399,7 @@ static void alc_headset_mode_ctia(struct hda_codec *codec) case 0x10ec0256: case 0x19e58326: alc_process_coef_fw(codec, coef0256); + alc_hp_enable_unmute(codec, 75); break; case 0x10ec0234: case 0x10ec0274: @@ -5419,6 +5448,7 @@ static void alc_headset_mode_ctia(struct hda_codec *codec) alc_process_coef_fw(codec, coef0225_2); else alc_process_coef_fw(codec, coef0225_1); + alc_hp_enable_unmute(codec, 75); break; case 0x10ec0867: alc_update_coefex_idx(codec, 0x57, 0x5, 1<<14, 0); @@ -5486,6 +5516,7 @@ static void alc_headset_mode_omtp(struct hda_codec *codec) case 0x10ec0256: case 0x19e58326: alc_process_coef_fw(codec, coef0256); + alc_hp_enable_unmute(codec, 75); break; case 0x10ec0234: case 0x10ec0274: @@ -5523,6 +5554,7 @@ static void alc_headset_mode_omtp(struct hda_codec *codec) case 0x10ec0289: case 0x10ec0299: alc_process_coef_fw(codec, coef0225); + alc_hp_enable_unmute(codec, 75); break; } codec_dbg(codec, "Headset jack set to Nokia-style headset mode.\n"); @@ -5591,25 +5623,21 @@ static void alc_determine_headset_type(struct hda_codec *codec) alc_write_coef_idx(codec, 0x06, 0x6104); alc_write_coefex_idx(codec, 0x57, 0x3, 0x09a3); - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); - msleep(80); - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0); - alc_process_coef_fw(codec, coef0255); msleep(300); val = alc_read_coef_idx(codec, 0x46); is_ctia = (val & 0x0070) == 0x0070; - + if (!is_ctia) { + alc_write_coef_idx(codec, 0x45, 0xe089); + msleep(100); + val = alc_read_coef_idx(codec, 0x46); + if ((val & 0x0070) == 0x0070) + is_ctia = false; + else + is_ctia = true; + } alc_write_coefex_idx(codec, 0x57, 0x3, 0x0da3); alc_update_coefex_idx(codec, 0x57, 0x5, 1<<14, 0); - - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); - msleep(80); - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); break; case 0x10ec0234: case 0x10ec0274: @@ -5686,12 +5714,6 @@ static void alc_determine_headset_type(struct hda_codec *codec) case 0x10ec0295: case 0x10ec0289: case 0x10ec0299: - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); - msleep(80); - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0); - alc_process_coef_fw(codec, alc225_pre_hsmode); alc_update_coef_idx(codec, 0x67, 0xf000, 0x1000); val = alc_read_coef_idx(codec, 0x45); @@ -5708,15 +5730,19 @@ static void alc_determine_headset_type(struct hda_codec *codec) val = alc_read_coef_idx(codec, 0x46); is_ctia = (val & 0x00f0) == 0x00f0; } + if (!is_ctia) { + alc_update_coef_idx(codec, 0x45, 0x3f<<10, 0x38<<10); + alc_update_coef_idx(codec, 0x49, 3<<8, 1<<8); + msleep(100); + val = alc_read_coef_idx(codec, 0x46); + if ((val & 0x00f0) == 0x00f0) + is_ctia = false; + else + is_ctia = true; + } alc_update_coef_idx(codec, 0x4a, 7<<6, 7<<6); alc_update_coef_idx(codec, 0x4a, 3<<4, 3<<4); alc_update_coef_idx(codec, 0x67, 0xf000, 0x3000); - - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); - msleep(80); - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); break; case 0x10ec0867: is_ctia = true; @@ -6998,6 +7024,7 @@ enum { ALC286_FIXUP_ACER_AIO_HEADSET_MIC, ALC256_FIXUP_ASUS_HEADSET_MIC, ALC256_FIXUP_ASUS_MIC_NO_PRESENCE, + ALC255_FIXUP_PREDATOR_SUBWOOFER, ALC299_FIXUP_PREDATOR_SPK, ALC256_FIXUP_MEDION_HEADSET_NO_PRESENCE, ALC289_FIXUP_DELL_SPK2, @@ -7023,6 +7050,7 @@ enum { ALC236_FIXUP_HP_GPIO_LED, ALC236_FIXUP_HP_MUTE_LED, ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF, + ALC236_FIXUP_LENOVO_INV_DMIC, ALC298_FIXUP_SAMSUNG_AMP, ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET, ALC256_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET, @@ -8232,6 +8260,13 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC256_FIXUP_ASUS_HEADSET_MODE }, + [ALC255_FIXUP_PREDATOR_SUBWOOFER] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x17, 0x90170151 }, /* use as internal speaker (LFE) */ + { 0x1b, 0x90170152 } /* use as internal speaker (back) */ + } + }, [ALC299_FIXUP_PREDATOR_SPK] = { .type = HDA_FIXUP_PINS, .v.pins = (const struct hda_pintbl[]) { @@ -8417,6 +8452,12 @@ static const struct hda_fixup alc269_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc236_fixup_hp_mute_led_micmute_vref, }, + [ALC236_FIXUP_LENOVO_INV_DMIC] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc_fixup_inv_dmic, + .chained = true, + .chain_id = ALC283_FIXUP_INT_MIC, + }, [ALC298_FIXUP_SAMSUNG_AMP] = { .type = HDA_FIXUP_FUNC, .v.func = alc298_fixup_samsung_amp, @@ -8954,6 +8995,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1025, 0x079b, "Acer Aspire V5-573G", ALC282_FIXUP_ASPIRE_V5_PINS), SND_PCI_QUIRK(0x1025, 0x080d, "Acer Aspire V5-122P", ALC269_FIXUP_ASPIRE_HEADSET_MIC), SND_PCI_QUIRK(0x1025, 0x0840, "Acer Aspire E1", ALC269VB_FIXUP_ASPIRE_E1_COEF), + SND_PCI_QUIRK(0x1025, 0x100c, "Acer Aspire E5-574G", ALC255_FIXUP_ACER_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x1025, 0x101c, "Acer Veriton N2510G", ALC269_FIXUP_LIFEBOOK), SND_PCI_QUIRK(0x1025, 0x102b, "Acer Aspire C24-860", ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1025, 0x1065, "Acer Aspire C20-820", ALC269VC_FIXUP_ACER_HEADSET_MIC), @@ -8963,6 +9005,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1025, 0x110e, "Acer Aspire ES1-432", ALC255_FIXUP_ACER_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1025, 0x1166, "Acer Veriton N4640G", ALC269_FIXUP_LIFEBOOK), SND_PCI_QUIRK(0x1025, 0x1167, "Acer Veriton N6640G", ALC269_FIXUP_LIFEBOOK), + SND_PCI_QUIRK(0x1025, 0x1177, "Acer Predator G9-593", ALC255_FIXUP_PREDATOR_SUBWOOFER), + SND_PCI_QUIRK(0x1025, 0x1178, "Acer Predator G9-593", ALC255_FIXUP_PREDATOR_SUBWOOFER), SND_PCI_QUIRK(0x1025, 0x1246, "Acer Predator Helios 500", ALC299_FIXUP_PREDATOR_SPK), SND_PCI_QUIRK(0x1025, 0x1247, "Acer vCopperbox", ALC269VC_FIXUP_ACER_VCOPPERBOX_PINS), SND_PCI_QUIRK(0x1025, 0x1248, "Acer Veriton N4660G", ALC269VC_FIXUP_ACER_MIC_NO_PRESENCE), @@ -9122,6 +9166,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x83b9, "HP Spectre x360", ALC269_FIXUP_HP_MUTE_LED_MIC3), SND_PCI_QUIRK(0x103c, 0x841c, "HP Pavilion 15-CK0xx", ALC269_FIXUP_HP_MUTE_LED_MIC3), SND_PCI_QUIRK(0x103c, 0x8497, "HP Envy x360", ALC269_FIXUP_HP_MUTE_LED_MIC3), + SND_PCI_QUIRK(0x103c, 0x84a6, "HP 250 G7 Notebook PC", ALC269_FIXUP_HP_LINE1_MIC1_LED), SND_PCI_QUIRK(0x103c, 0x84ae, "HP 15-db0403ng", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2), SND_PCI_QUIRK(0x103c, 0x84da, "HP OMEN dc0019-ur", ALC295_FIXUP_HP_OMEN), SND_PCI_QUIRK(0x103c, 0x84e7, "HP Pavilion 15", ALC269_FIXUP_HP_MUTE_LED_MIC3), @@ -9156,6 +9201,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x8788, "HP OMEN 15", ALC285_FIXUP_HP_MUTE_LED), SND_PCI_QUIRK(0x103c, 0x87b7, "HP Laptop 14-fq0xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2), SND_PCI_QUIRK(0x103c, 0x87c8, "HP", ALC287_FIXUP_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x87d3, "HP Laptop 15-gw0xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2), SND_PCI_QUIRK(0x103c, 0x87e5, "HP ProBook 440 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x87e7, "HP ProBook 450 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x87f1, "HP ProBook 630 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED), @@ -9164,6 +9210,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x87f5, "HP", ALC287_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x87f6, "HP Spectre x360 14", ALC245_FIXUP_HP_X360_AMP), SND_PCI_QUIRK(0x103c, 0x87f7, "HP Spectre x360 14", ALC245_FIXUP_HP_X360_AMP), + SND_PCI_QUIRK(0x103c, 0x87fd, "HP Laptop 14-dq2xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2), SND_PCI_QUIRK(0x103c, 0x87fe, "HP Laptop 15s-fq2xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2), SND_PCI_QUIRK(0x103c, 0x8805, "HP ProBook 650 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x880d, "HP EliteBook 830 G8 Notebook PC", ALC285_FIXUP_HP_GPIO_LED), @@ -9267,6 +9314,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x10cf, 0x1845, "Lifebook U904", ALC269_FIXUP_LIFEBOOK_EXTMIC), SND_PCI_QUIRK(0x10ec, 0x10f2, "Intel Reference board", ALC700_FIXUP_INTEL_REFERENCE), SND_PCI_QUIRK(0x10ec, 0x118c, "Medion EE4254 MD62100", ALC256_FIXUP_MEDION_HEADSET_NO_PRESENCE), + SND_PCI_QUIRK(0x10ec, 0x119e, "Positivo SU C1400", ALC269_FIXUP_ASPIRE_HEADSET_MIC), + SND_PCI_QUIRK(0x10ec, 0x11bc, "VAIO VJFE-IL", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x10ec, 0x1230, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK), SND_PCI_QUIRK(0x10ec, 0x124c, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK), SND_PCI_QUIRK(0x10ec, 0x1252, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK), @@ -9278,6 +9327,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x144d, 0xc189, "Samsung Galaxy Flex Book (NT950QCG-X716)", ALC298_FIXUP_SAMSUNG_AMP), SND_PCI_QUIRK(0x144d, 0xc18a, "Samsung Galaxy Book Ion (NP930XCJ-K01US)", ALC298_FIXUP_SAMSUNG_AMP), SND_PCI_QUIRK(0x144d, 0xc1a3, "Samsung Galaxy Book Pro (NP935XDB-KC1SE)", ALC298_FIXUP_SAMSUNG_AMP), + SND_PCI_QUIRK(0x144d, 0xc1a4, "Samsung Galaxy Book Pro 360 (NT935QBD)", ALC298_FIXUP_SAMSUNG_AMP), SND_PCI_QUIRK(0x144d, 0xc1a6, "Samsung Galaxy Book Pro 360 (NP930QBD)", ALC298_FIXUP_SAMSUNG_AMP), SND_PCI_QUIRK(0x144d, 0xc740, "Samsung Ativ book 8 (NP870Z5G)", ALC269_FIXUP_ATIV_BOOK_8), SND_PCI_QUIRK(0x144d, 0xc812, "Samsung Notebook Pen S (NT950SBE-X58)", ALC298_FIXUP_SAMSUNG_AMP), @@ -9359,6 +9409,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1558, 0xa600, "Clevo NL50NU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0xa650, "Clevo NP[567]0SN[CD]", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0xa671, "Clevo NP70SN[CDE]", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1558, 0xa763, "Clevo V54x_6x_TU", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0xb018, "Clevo NP50D[BE]", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0xb019, "Clevo NH77D[BE]Q", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0xb022, "Clevo NH77D[DC][QW]", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), @@ -9429,6 +9480,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x3852, "Lenovo Yoga 7 14ITL5", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS), SND_PCI_QUIRK(0x17aa, 0x3853, "Lenovo Yoga 7 15ITL5", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS), SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI), + SND_PCI_QUIRK(0x17aa, 0x3913, "Lenovo 145", ALC236_FIXUP_LENOVO_INV_DMIC), SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC), SND_PCI_QUIRK(0x17aa, 0x3978, "Lenovo B50-70", ALC269_FIXUP_DMIC_THINKPAD_ACPI), SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_PCM_44K), @@ -9457,12 +9509,14 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1849, 0xa233, "Positivo Master C6300", ALC269_FIXUP_HEADSET_MIC), SND_PCI_QUIRK(0x19e5, 0x3204, "Huawei MACH-WX9", ALC256_FIXUP_HUAWEI_MACH_WX9_PINS), SND_PCI_QUIRK(0x19e5, 0x320f, "Huawei WRT-WX9 ", ALC256_FIXUP_ASUS_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x19e5, 0x3212, "Huawei KLV-WX9 ", ALC256_FIXUP_ACER_HEADSET_MIC), SND_PCI_QUIRK(0x1b35, 0x1235, "CZC B20", ALC269_FIXUP_CZC_B20), SND_PCI_QUIRK(0x1b35, 0x1236, "CZC TMI", ALC269_FIXUP_CZC_TMI), SND_PCI_QUIRK(0x1b35, 0x1237, "CZC L101", ALC269_FIXUP_CZC_L101), SND_PCI_QUIRK(0x1b7d, 0xa831, "Ordissimo EVE2 ", ALC269VB_FIXUP_ORDISSIMO_EVE2), /* Also known as Malata PC-B1303 */ SND_PCI_QUIRK(0x1c06, 0x2013, "Lemote A1802", ALC269_FIXUP_LEMOTE_A1802), SND_PCI_QUIRK(0x1c06, 0x2015, "Lemote A190X", ALC269_FIXUP_LEMOTE_A190X), + SND_PCI_QUIRK(0x1c6c, 0x122a, "Positivo N14AP7", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x1c6c, 0x1251, "Positivo N14KP6-TG", ALC288_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1d05, 0x1132, "TongFang PHxTxX1", ALC256_FIXUP_SET_COEF_DEFAULTS), SND_PCI_QUIRK(0x1d05, 0x1096, "TongFang GMxMRxx", ALC269_FIXUP_NO_SHUTUP), @@ -9478,6 +9532,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1d72, 0x1901, "RedmiBook 14", ALC256_FIXUP_ASUS_HEADSET_MIC), SND_PCI_QUIRK(0x1d72, 0x1945, "Redmi G", ALC256_FIXUP_ASUS_HEADSET_MIC), SND_PCI_QUIRK(0x1d72, 0x1947, "RedmiBook Air", ALC255_FIXUP_XIAOMI_HEADSET_MIC), + SND_PCI_QUIRK(0x2782, 0x0214, "VAIO VJFE-CL", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x2782, 0x0232, "CHUWI CoreBook XPro", ALC269VB_FIXUP_CHUWI_COREBOOK_XPRO), SND_PCI_QUIRK(0x2782, 0x1707, "Vaio VJFE-ADL", ALC298_FIXUP_SPK_VOLUME), SND_PCI_QUIRK(0x8086, 0x2074, "Intel NUC 8", ALC233_FIXUP_INTEL_NUC8_DMIC), @@ -9668,6 +9723,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {.id = ALC623_FIXUP_LENOVO_THINKSTATION_P340, .name = "alc623-lenovo-thinkstation-p340"}, {.id = ALC255_FIXUP_ACER_HEADPHONE_AND_MIC, .name = "alc255-acer-headphone-and-mic"}, {.id = ALC285_FIXUP_HP_GPIO_AMP_INIT, .name = "alc285-hp-amp-init"}, + {.id = ALC236_FIXUP_LENOVO_INV_DMIC, .name = "alc236-fixup-lenovo-inv-mic"}, {} }; #define ALC225_STANDARD_PINS \ @@ -10897,6 +10953,7 @@ enum { ALC897_FIXUP_LENOVO_HEADSET_MODE, ALC897_FIXUP_HEADSET_MIC_PIN2, ALC897_FIXUP_UNIS_H3C_X500S, + ALC897_FIXUP_HEADSET_MIC_PIN3, }; static const struct hda_fixup alc662_fixups[] = { @@ -11343,10 +11400,18 @@ static const struct hda_fixup alc662_fixups[] = { {} }, }, + [ALC897_FIXUP_HEADSET_MIC_PIN3] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x19, 0x03a11050 }, /* use as headset mic */ + { } + }, + }, }; static const struct snd_pci_quirk alc662_fixup_tbl[] = { SND_PCI_QUIRK(0x1019, 0x9087, "ECS", ALC662_FIXUP_ASUS_MODE2), + SND_PCI_QUIRK(0x1019, 0x9859, "JP-IK LEAP W502", ALC897_FIXUP_HEADSET_MIC_PIN3), SND_PCI_QUIRK(0x1025, 0x022f, "Acer Aspire One", ALC662_FIXUP_INV_DMIC), SND_PCI_QUIRK(0x1025, 0x0241, "Packard Bell DOTS", ALC662_FIXUP_INV_DMIC), SND_PCI_QUIRK(0x1025, 0x0308, "Acer Aspire 8942G", ALC662_FIXUP_ASPIRE), diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 82c72e6c13..18d595d8f5 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -1298,8 +1298,10 @@ static int snd_hdsp_midi_output_possible (struct hdsp *hdsp, int id) static void snd_hdsp_flush_midi_input (struct hdsp *hdsp, int id) { - while (snd_hdsp_midi_input_available (hdsp, id)) - snd_hdsp_midi_read_byte (hdsp, id); + int count = 256; + + while (snd_hdsp_midi_input_available(hdsp, id) && --count) + snd_hdsp_midi_read_byte(hdsp, id); } static int snd_hdsp_midi_output_write (struct hdsp_midi *hmidi) diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index fa1812e7a4..247f5c52fb 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -1838,8 +1838,10 @@ static inline int snd_hdspm_midi_output_possible (struct hdspm *hdspm, int id) static void snd_hdspm_flush_midi_input(struct hdspm *hdspm, int id) { - while (snd_hdspm_midi_input_available (hdspm, id)) - snd_hdspm_midi_read_byte (hdspm, id); + int count = 256; + + while (snd_hdspm_midi_input_available(hdspm, id) && --count) + snd_hdspm_midi_read_byte(hdspm, id); } static int snd_hdspm_midi_output_write (struct hdspm_midi *hmidi) diff --git a/sound/soc/au1x/db1200.c b/sound/soc/au1x/db1200.c index 5f8baad37a..48243164b7 100644 --- a/sound/soc/au1x/db1200.c +++ b/sound/soc/au1x/db1200.c @@ -44,6 +44,7 @@ static const struct platform_device_id db1200_pids[] = { }, {}, }; +MODULE_DEVICE_TABLE(platform, db1200_pids); /*------------------------- AC97 PART ---------------------------*/ diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c index 4b026e1c3f..09445db29a 100644 --- a/sound/soc/codecs/cs42l51.c +++ b/sound/soc/codecs/cs42l51.c @@ -754,8 +754,10 @@ int cs42l51_probe(struct device *dev, struct regmap *regmap) cs42l51->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); - if (IS_ERR(cs42l51->reset_gpio)) - return PTR_ERR(cs42l51->reset_gpio); + if (IS_ERR(cs42l51->reset_gpio)) { + ret = PTR_ERR(cs42l51->reset_gpio); + goto error; + } if (cs42l51->reset_gpio) { dev_dbg(dev, "Release reset gpio\n"); @@ -787,6 +789,7 @@ int cs42l51_probe(struct device *dev, struct regmap *regmap) return 0; error: + gpiod_set_value_cansleep(cs42l51->reset_gpio, 1); regulator_bulk_disable(ARRAY_SIZE(cs42l51->supplies), cs42l51->supplies); return ret; diff --git a/sound/soc/codecs/lpass-rx-macro.c b/sound/soc/codecs/lpass-rx-macro.c index 72a0db09c7..ac195e3b8c 100644 --- a/sound/soc/codecs/lpass-rx-macro.c +++ b/sound/soc/codecs/lpass-rx-macro.c @@ -907,7 +907,7 @@ static const struct reg_default rx_defaults[] = { { CDC_RX_BCL_VBAT_PK_EST2, 0x01 }, { CDC_RX_BCL_VBAT_PK_EST3, 0x40 }, { CDC_RX_BCL_VBAT_RF_PROC1, 0x2A }, - { CDC_RX_BCL_VBAT_RF_PROC1, 0x00 }, + { CDC_RX_BCL_VBAT_RF_PROC2, 0x00 }, { CDC_RX_BCL_VBAT_TAC1, 0x00 }, { CDC_RX_BCL_VBAT_TAC2, 0x18 }, { CDC_RX_BCL_VBAT_TAC3, 0x18 }, diff --git a/sound/soc/codecs/max98088.c b/sound/soc/codecs/max98088.c index f8e49e45ce..a71fbfddc2 100644 --- a/sound/soc/codecs/max98088.c +++ b/sound/soc/codecs/max98088.c @@ -1319,6 +1319,7 @@ static int max98088_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); + int ret; switch (level) { case SND_SOC_BIAS_ON: @@ -1334,10 +1335,13 @@ static int max98088_set_bias_level(struct snd_soc_component *component, */ if (!IS_ERR(max98088->mclk)) { if (snd_soc_component_get_bias_level(component) == - SND_SOC_BIAS_ON) + SND_SOC_BIAS_ON) { clk_disable_unprepare(max98088->mclk); - else - clk_prepare_enable(max98088->mclk); + } else { + ret = clk_prepare_enable(max98088->mclk); + if (ret) + return ret; + } } break; diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c index 468ce5b221..8fe55841a4 100644 --- a/sound/soc/codecs/rt5682.c +++ b/sound/soc/codecs/rt5682.c @@ -2893,8 +2893,10 @@ int rt5682_register_dai_clks(struct rt5682_priv *rt5682) } if (dev->of_node) { - devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, + ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, dai_clk_hw); + if (ret) + return ret; } else { ret = devm_clk_hw_register_clkdev(dev, dai_clk_hw, init.name, diff --git a/sound/soc/codecs/tda7419.c b/sound/soc/codecs/tda7419.c index 83d220054c..9183db5154 100644 --- a/sound/soc/codecs/tda7419.c +++ b/sound/soc/codecs/tda7419.c @@ -624,6 +624,7 @@ static const struct of_device_id tda7419_of_match[] = { { .compatible = "st,tda7419" }, { }, }; +MODULE_DEVICE_TABLE(of, tda7419_of_match); static struct i2c_driver tda7419_driver = { .driver = { diff --git a/sound/soc/codecs/wcd938x-sdw.c b/sound/soc/codecs/wcd938x-sdw.c index 84a67bd98d..cfe694fddd 100644 --- a/sound/soc/codecs/wcd938x-sdw.c +++ b/sound/soc/codecs/wcd938x-sdw.c @@ -250,12 +250,12 @@ static int wcd9380_probe(struct sdw_slave *pdev, SDW_SCP_INT1_PARITY; pdev->prop.lane_control_support = true; if (wcd->is_tx) { - pdev->prop.source_ports = GENMASK(WCD938X_MAX_SWR_PORTS, 0); + pdev->prop.source_ports = GENMASK(WCD938X_MAX_SWR_PORTS - 1, 0); pdev->prop.src_dpn_prop = wcd938x_dpn_prop; wcd->ch_info = &wcd938x_sdw_tx_ch_info[0]; pdev->prop.wake_capable = true; } else { - pdev->prop.sink_ports = GENMASK(WCD938X_MAX_SWR_PORTS, 0); + pdev->prop.sink_ports = GENMASK(WCD938X_MAX_SWR_PORTS - 1, 0); pdev->prop.sink_dpn_prop = wcd938x_dpn_prop; wcd->ch_info = &wcd938x_sdw_rx_ch_info[0]; } diff --git a/sound/soc/codecs/wsa881x.c b/sound/soc/codecs/wsa881x.c index 8559047694..c8d3dc6341 100644 --- a/sound/soc/codecs/wsa881x.c +++ b/sound/soc/codecs/wsa881x.c @@ -1120,7 +1120,7 @@ static int wsa881x_probe(struct sdw_slave *pdev, wsa881x->sconfig.frame_rate = 48000; wsa881x->sconfig.direction = SDW_DATA_DIR_RX; wsa881x->sconfig.type = SDW_STREAM_PDM; - pdev->prop.sink_ports = GENMASK(WSA881X_MAX_SWR_PORTS, 0); + pdev->prop.sink_ports = GENMASK(WSA881X_MAX_SWR_PORTS - 1, 0); pdev->prop.sink_dpn_prop = wsa_sink_dpn_prop; pdev->prop.scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY; gpiod_direction_output(wsa881x->sd_n, 1); diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c index 5000d779aa..98a157e466 100644 --- a/sound/soc/fsl/fsl-asoc-card.c +++ b/sound/soc/fsl/fsl-asoc-card.c @@ -548,6 +548,8 @@ static int fsl_asoc_card_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; + priv->pdev = pdev; + cpu_np = of_parse_phandle(np, "audio-cpu", 0); /* Give a chance to old DT binding */ if (!cpu_np) @@ -742,7 +744,6 @@ static int fsl_asoc_card_probe(struct platform_device *pdev) } /* Initialize sound card */ - priv->pdev = pdev; priv->card.dev = &pdev->dev; priv->card.owner = THIS_MODULE; ret = snd_soc_of_parse_card_name(&priv->card, "model"); diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index 59dffa5ff3..87d324927c 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -498,6 +498,9 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, val_cr4 |= FSL_SAI_CR4_FRSZ(slots); + /* Set to avoid channel swap */ + val_cr4 |= FSL_SAI_CR4_FCONT; + /* Set to output mode to avoid tri-stated data pins */ if (tx) val_cr4 |= FSL_SAI_CR4_CHMOD; @@ -523,7 +526,7 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, FSL_SAI_CR3_TRCE((1 << pins) - 1)); regmap_update_bits(sai->regmap, FSL_SAI_xCR4(tx, ofs), FSL_SAI_CR4_SYWD_MASK | FSL_SAI_CR4_FRSZ_MASK | - FSL_SAI_CR4_CHMOD_MASK, + FSL_SAI_CR4_CHMOD_MASK | FSL_SAI_CR4_FCONT_MASK, val_cr4); regmap_update_bits(sai->regmap, FSL_SAI_xCR5(tx, ofs), FSL_SAI_CR5_WNW_MASK | FSL_SAI_CR5_W0W_MASK | diff --git a/sound/soc/fsl/fsl_sai.h b/sound/soc/fsl/fsl_sai.h index f8c9a8fb78..0a03e68aad 100644 --- a/sound/soc/fsl/fsl_sai.h +++ b/sound/soc/fsl/fsl_sai.h @@ -132,6 +132,7 @@ /* SAI Transmit and Receive Configuration 4 Register */ +#define FSL_SAI_CR4_FCONT_MASK BIT(28) #define FSL_SAI_CR4_FCONT BIT(28) #define FSL_SAI_CR4_FCOMB_SHIFT BIT(26) #define FSL_SAI_CR4_FCOMB_SOFT BIT(27) diff --git a/sound/soc/fsl/imx-card.c b/sound/soc/fsl/imx-card.c index d59f5efbf7..223234f617 100644 --- a/sound/soc/fsl/imx-card.c +++ b/sound/soc/fsl/imx-card.c @@ -731,6 +731,7 @@ static int imx_card_probe(struct platform_device *pdev) data->plat_data = plat_data; data->card.dev = &pdev->dev; + data->card.owner = THIS_MODULE; dev_set_drvdata(&pdev->dev, &data->card); snd_soc_card_set_drvdata(&data->card, data); diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c index 434679afa7..3d2a0e8cad 100644 --- a/sound/soc/intel/boards/bytcr_rt5640.c +++ b/sound/soc/intel/boards/bytcr_rt5640.c @@ -607,6 +607,17 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] = { BYT_RT5640_SSP0_AIF1 | BYT_RT5640_MCLK_EN), }, + { + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ARCHOS 101 CESIUM"), + }, + .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | + BYT_RT5640_JD_NOT_INV | + BYT_RT5640_DIFF_MIC | + BYT_RT5640_SSP0_AIF1 | + BYT_RT5640_MCLK_EN), + }, { .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"), diff --git a/sound/soc/intel/common/soc-intel-quirks.h b/sound/soc/intel/common/soc-intel-quirks.h index de4e550c5b..42bd51456b 100644 --- a/sound/soc/intel/common/soc-intel-quirks.h +++ b/sound/soc/intel/common/soc-intel-quirks.h @@ -11,7 +11,7 @@ #include -#if IS_ENABLED(CONFIG_X86) +#if IS_REACHABLE(CONFIG_IOSF_MBI) #include #include diff --git a/sound/soc/intel/keembay/kmb_platform.c b/sound/soc/intel/keembay/kmb_platform.c index a6fb74ba1c..86a4c32686 100644 --- a/sound/soc/intel/keembay/kmb_platform.c +++ b/sound/soc/intel/keembay/kmb_platform.c @@ -815,6 +815,7 @@ static const struct of_device_id kmb_plat_of_match[] = { { .compatible = "intel,keembay-tdm", .data = &intel_kmb_tdm_dai}, {} }; +MODULE_DEVICE_TABLE(of, kmb_plat_of_match); static int kmb_plat_dai_probe(struct platform_device *pdev) { diff --git a/sound/soc/meson/axg-card.c b/sound/soc/meson/axg-card.c index cbbaa55d92..4553a1bb87 100644 --- a/sound/soc/meson/axg-card.c +++ b/sound/soc/meson/axg-card.c @@ -104,7 +104,7 @@ static int axg_card_add_tdm_loopback(struct snd_soc_card *card, int *index) { struct meson_card *priv = snd_soc_card_get_drvdata(card); - struct snd_soc_dai_link *pad = &card->dai_link[*index]; + struct snd_soc_dai_link *pad; struct snd_soc_dai_link *lb; struct snd_soc_dai_link_component *dlc; int ret; @@ -114,6 +114,7 @@ static int axg_card_add_tdm_loopback(struct snd_soc_card *card, if (ret) return ret; + pad = &card->dai_link[*index]; lb = &card->dai_link[*index + 1]; lb->name = devm_kasprintf(card->dev, GFP_KERNEL, "%s-lb", pad->name); diff --git a/sound/soc/meson/axg-fifo.c b/sound/soc/meson/axg-fifo.c index 94b169a549..5218e40aeb 100644 --- a/sound/soc/meson/axg-fifo.c +++ b/sound/soc/meson/axg-fifo.c @@ -207,25 +207,18 @@ static irqreturn_t axg_fifo_pcm_irq_block(int irq, void *dev_id) status = FIELD_GET(STATUS1_INT_STS, status); axg_fifo_ack_irq(fifo, status); - /* Use the thread to call period elapsed on nonatomic links */ - if (status & FIFO_INT_COUNT_REPEAT) - return IRQ_WAKE_THREAD; + if (status & ~FIFO_INT_COUNT_REPEAT) + dev_dbg(axg_fifo_dev(ss), "unexpected irq - STS 0x%02x\n", + status); - dev_dbg(axg_fifo_dev(ss), "unexpected irq - STS 0x%02x\n", - status); + if (status & FIFO_INT_COUNT_REPEAT) { + snd_pcm_period_elapsed(ss); + return IRQ_HANDLED; + } return IRQ_NONE; } -static irqreturn_t axg_fifo_pcm_irq_block_thread(int irq, void *dev_id) -{ - struct snd_pcm_substream *ss = dev_id; - - snd_pcm_period_elapsed(ss); - - return IRQ_HANDLED; -} - int axg_fifo_pcm_open(struct snd_soc_component *component, struct snd_pcm_substream *ss) { @@ -251,8 +244,9 @@ int axg_fifo_pcm_open(struct snd_soc_component *component, if (ret) return ret; - ret = request_threaded_irq(fifo->irq, axg_fifo_pcm_irq_block, - axg_fifo_pcm_irq_block_thread, + /* Use the threaded irq handler only with non-atomic links */ + ret = request_threaded_irq(fifo->irq, NULL, + axg_fifo_pcm_irq_block, IRQF_ONESHOT, dev_name(dev), ss); if (ret) return ret; diff --git a/sound/soc/pxa/spitz.c b/sound/soc/pxa/spitz.c index 7c1384a869..44303b6eb2 100644 --- a/sound/soc/pxa/spitz.c +++ b/sound/soc/pxa/spitz.c @@ -14,13 +14,12 @@ #include #include #include -#include +#include #include #include #include #include -#include #include "../codecs/wm8750.h" #include "pxa2xx-i2s.h" @@ -37,7 +36,7 @@ static int spitz_jack_func; static int spitz_spk_func; -static int spitz_mic_gpio; +static struct gpio_desc *gpiod_mic, *gpiod_mute_l, *gpiod_mute_r; static void spitz_ext_control(struct snd_soc_dapm_context *dapm) { @@ -56,8 +55,8 @@ static void spitz_ext_control(struct snd_soc_dapm_context *dapm) snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack"); snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack"); - gpio_set_value(SPITZ_GPIO_MUTE_L, 1); - gpio_set_value(SPITZ_GPIO_MUTE_R, 1); + gpiod_set_value(gpiod_mute_l, 1); + gpiod_set_value(gpiod_mute_r, 1); break; case SPITZ_MIC: /* enable mic jack and bias, mute hp */ @@ -65,8 +64,8 @@ static void spitz_ext_control(struct snd_soc_dapm_context *dapm) snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack"); - gpio_set_value(SPITZ_GPIO_MUTE_L, 0); - gpio_set_value(SPITZ_GPIO_MUTE_R, 0); + gpiod_set_value(gpiod_mute_l, 0); + gpiod_set_value(gpiod_mute_r, 0); break; case SPITZ_LINE: /* enable line jack, disable mic bias and mute hp */ @@ -74,8 +73,8 @@ static void spitz_ext_control(struct snd_soc_dapm_context *dapm) snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack"); snd_soc_dapm_enable_pin_unlocked(dapm, "Line Jack"); - gpio_set_value(SPITZ_GPIO_MUTE_L, 0); - gpio_set_value(SPITZ_GPIO_MUTE_R, 0); + gpiod_set_value(gpiod_mute_l, 0); + gpiod_set_value(gpiod_mute_r, 0); break; case SPITZ_HEADSET: /* enable and unmute headset jack enable mic bias, mute L hp */ @@ -83,8 +82,8 @@ static void spitz_ext_control(struct snd_soc_dapm_context *dapm) snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack"); snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack"); - gpio_set_value(SPITZ_GPIO_MUTE_L, 0); - gpio_set_value(SPITZ_GPIO_MUTE_R, 1); + gpiod_set_value(gpiod_mute_l, 0); + gpiod_set_value(gpiod_mute_r, 1); break; case SPITZ_HP_OFF: @@ -93,8 +92,8 @@ static void spitz_ext_control(struct snd_soc_dapm_context *dapm) snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack"); snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); - gpio_set_value(SPITZ_GPIO_MUTE_L, 0); - gpio_set_value(SPITZ_GPIO_MUTE_R, 0); + gpiod_set_value(gpiod_mute_l, 0); + gpiod_set_value(gpiod_mute_r, 0); break; } @@ -199,7 +198,7 @@ static int spitz_set_spk(struct snd_kcontrol *kcontrol, static int spitz_mic_bias(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { - gpio_set_value_cansleep(spitz_mic_gpio, SND_SOC_DAPM_EVENT_ON(event)); + gpiod_set_value_cansleep(gpiod_mic, SND_SOC_DAPM_EVENT_ON(event)); return 0; } @@ -287,39 +286,28 @@ static int spitz_probe(struct platform_device *pdev) struct snd_soc_card *card = &snd_soc_spitz; int ret; - if (machine_is_akita()) - spitz_mic_gpio = AKITA_GPIO_MIC_BIAS; - else - spitz_mic_gpio = SPITZ_GPIO_MIC_BIAS; - - ret = gpio_request(spitz_mic_gpio, "MIC GPIO"); - if (ret) - goto err1; - - ret = gpio_direction_output(spitz_mic_gpio, 0); - if (ret) - goto err2; + gpiod_mic = devm_gpiod_get(&pdev->dev, "mic", GPIOD_OUT_LOW); + if (IS_ERR(gpiod_mic)) + return PTR_ERR(gpiod_mic); + gpiod_mute_l = devm_gpiod_get(&pdev->dev, "mute-l", GPIOD_OUT_LOW); + if (IS_ERR(gpiod_mute_l)) + return PTR_ERR(gpiod_mute_l); + gpiod_mute_r = devm_gpiod_get(&pdev->dev, "mute-r", GPIOD_OUT_LOW); + if (IS_ERR(gpiod_mute_r)) + return PTR_ERR(gpiod_mute_r); card->dev = &pdev->dev; ret = devm_snd_soc_register_card(&pdev->dev, card); - if (ret) { + if (ret) dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret); - goto err2; - } - - return 0; -err2: - gpio_free(spitz_mic_gpio); -err1: return ret; } static int spitz_remove(struct platform_device *pdev) { - gpio_free(spitz_mic_gpio); return 0; } diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index 9f5e3e1dfd..17fc844182 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -975,6 +975,8 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev) /* Allocation for i2sctl regmap fields */ drvdata->i2sctl = devm_kzalloc(&pdev->dev, sizeof(struct lpaif_i2sctl), GFP_KERNEL); + if (!drvdata->i2sctl) + return -ENOMEM; /* Initialize bitfields for dai I2SCTL register */ ret = lpass_cpu_init_i2sctl_bitfields(dev, drvdata->i2sctl, diff --git a/sound/soc/qcom/sm8250.c b/sound/soc/qcom/sm8250.c index feb6589171..a38a741ace 100644 --- a/sound/soc/qcom/sm8250.c +++ b/sound/soc/qcom/sm8250.c @@ -211,6 +211,7 @@ static int sm8250_platform_probe(struct platform_device *pdev) static const struct of_device_id snd_sm8250_dt_match[] = { {.compatible = "qcom,sm8250-sndcard"}, + {.compatible = "qcom,qrb4210-rb2-sndcard"}, {.compatible = "qcom,qrb5165-rb5-sndcard"}, {} }; diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index b957049bae..538d84f1c2 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -4002,6 +4002,7 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w, case SND_SOC_DAPM_POST_PMD: kfree(substream->runtime); + substream->runtime = NULL; break; default: diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c index 4aa48c74f2..fa1f91c348 100644 --- a/sound/soc/soc-generic-dmaengine-pcm.c +++ b/sound/soc/soc-generic-dmaengine-pcm.c @@ -323,6 +323,12 @@ static int dmaengine_copy_user(struct snd_soc_component *component, return 0; } +static int dmaengine_pcm_sync_stop(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + return snd_dmaengine_pcm_sync_stop(substream); +} + static const struct snd_soc_component_driver dmaengine_pcm_component = { .name = SND_DMAENGINE_PCM_DRV_NAME, .probe_order = SND_SOC_COMP_ORDER_LATE, @@ -332,6 +338,7 @@ static const struct snd_soc_component_driver dmaengine_pcm_component = { .trigger = dmaengine_pcm_trigger, .pointer = dmaengine_pcm_pointer, .pcm_construct = dmaengine_pcm_new, + .sync_stop = dmaengine_pcm_sync_stop, }; static const struct snd_soc_component_driver dmaengine_pcm_component_process = { @@ -344,6 +351,7 @@ static const struct snd_soc_component_driver dmaengine_pcm_component_process = { .pointer = dmaengine_pcm_pointer, .copy_user = dmaengine_copy_user, .pcm_construct = dmaengine_pcm_new, + .sync_stop = dmaengine_pcm_sync_stop, }; static const char * const dmaengine_pcm_dma_channel_names[] = { diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index 55b69e3c67..765024564e 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -913,6 +913,8 @@ static int soc_tplg_denum_create_values(struct soc_tplg *tplg, struct soc_enum * se->dobj.control.dvalues[i] = le32_to_cpu(ec->values[i]); } + se->items = le32_to_cpu(ec->items); + se->values = (const unsigned int *)se->dobj.control.dvalues; return 0; } diff --git a/sound/soc/stm/stm32_spdifrx.c b/sound/soc/stm/stm32_spdifrx.c index 48145f5535..e3d6258afb 100644 --- a/sound/soc/stm/stm32_spdifrx.c +++ b/sound/soc/stm/stm32_spdifrx.c @@ -947,7 +947,7 @@ static int stm32_spdifrx_remove(struct platform_device *pdev) { struct stm32_spdifrx_data *spdifrx = platform_get_drvdata(pdev); - if (spdifrx->ctrl_chan) + if (!IS_ERR(spdifrx->ctrl_chan)) dma_release_channel(spdifrx->ctrl_chan); if (spdifrx->dmab) diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index 1e9116cd36..79c76065ef 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -100,8 +100,8 @@ #define SUN8I_I2S_CTRL_MODE_PCM (0 << 4) #define SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK BIT(19) -#define SUN8I_I2S_FMT0_LRCLK_POLARITY_INVERTED (1 << 19) -#define SUN8I_I2S_FMT0_LRCLK_POLARITY_NORMAL (0 << 19) +#define SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH (1 << 19) +#define SUN8I_I2S_FMT0_LRCLK_POLARITY_START_LOW (0 << 19) #define SUN8I_I2S_FMT0_LRCK_PERIOD_MASK GENMASK(17, 8) #define SUN8I_I2S_FMT0_LRCK_PERIOD(period) ((period - 1) << 8) #define SUN8I_I2S_FMT0_BCLK_POLARITY_MASK BIT(7) @@ -709,65 +709,37 @@ static int sun4i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, static int sun8i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, unsigned int fmt) { - u32 mode, val; + u32 mode, lrclk_pol, bclk_pol, val; u8 offset; - /* - * DAI clock polarity - * - * The setup for LRCK contradicts the datasheet, but under a - * scope it's clear that the LRCK polarity is reversed - * compared to the expected polarity on the bus. - */ - switch (fmt & SND_SOC_DAIFMT_INV_MASK) { - case SND_SOC_DAIFMT_IB_IF: - /* Invert both clocks */ - val = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED; - break; - case SND_SOC_DAIFMT_IB_NF: - /* Invert bit clock */ - val = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED | - SUN8I_I2S_FMT0_LRCLK_POLARITY_INVERTED; - break; - case SND_SOC_DAIFMT_NB_IF: - /* Invert frame clock */ - val = 0; - break; - case SND_SOC_DAIFMT_NB_NF: - val = SUN8I_I2S_FMT0_LRCLK_POLARITY_INVERTED; - break; - default: - return -EINVAL; - } - - regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG, - SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK | - SUN8I_I2S_FMT0_BCLK_POLARITY_MASK, - val); - /* DAI Mode */ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_DSP_A: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; mode = SUN8I_I2S_CTRL_MODE_PCM; offset = 1; break; case SND_SOC_DAIFMT_DSP_B: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; mode = SUN8I_I2S_CTRL_MODE_PCM; offset = 0; break; case SND_SOC_DAIFMT_I2S: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_LOW; mode = SUN8I_I2S_CTRL_MODE_LEFT; offset = 1; break; case SND_SOC_DAIFMT_LEFT_J: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; mode = SUN8I_I2S_CTRL_MODE_LEFT; offset = 0; break; case SND_SOC_DAIFMT_RIGHT_J: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; mode = SUN8I_I2S_CTRL_MODE_RIGHT; offset = 0; break; @@ -785,6 +757,35 @@ static int sun8i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, SUN8I_I2S_TX_CHAN_OFFSET_MASK, SUN8I_I2S_TX_CHAN_OFFSET(offset)); + /* DAI clock polarity */ + bclk_pol = SUN8I_I2S_FMT0_BCLK_POLARITY_NORMAL; + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_IB_IF: + /* Invert both clocks */ + lrclk_pol ^= SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK; + bclk_pol = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED; + break; + case SND_SOC_DAIFMT_IB_NF: + /* Invert bit clock */ + bclk_pol = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED; + break; + case SND_SOC_DAIFMT_NB_IF: + /* Invert frame clock */ + lrclk_pol ^= SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK; + break; + case SND_SOC_DAIFMT_NB_NF: + /* No inversion */ + break; + default: + return -EINVAL; + } + + regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG, + SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK | + SUN8I_I2S_FMT0_BCLK_POLARITY_MASK, + lrclk_pol | bclk_pol); + /* DAI clock master masks */ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBS_CFS: @@ -816,65 +817,37 @@ static int sun8i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, static int sun50i_h6_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, unsigned int fmt) { - u32 mode, val; + u32 mode, lrclk_pol, bclk_pol, val; u8 offset; - /* - * DAI clock polarity - * - * The setup for LRCK contradicts the datasheet, but under a - * scope it's clear that the LRCK polarity is reversed - * compared to the expected polarity on the bus. - */ - switch (fmt & SND_SOC_DAIFMT_INV_MASK) { - case SND_SOC_DAIFMT_IB_IF: - /* Invert both clocks */ - val = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED; - break; - case SND_SOC_DAIFMT_IB_NF: - /* Invert bit clock */ - val = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED | - SUN8I_I2S_FMT0_LRCLK_POLARITY_INVERTED; - break; - case SND_SOC_DAIFMT_NB_IF: - /* Invert frame clock */ - val = 0; - break; - case SND_SOC_DAIFMT_NB_NF: - val = SUN8I_I2S_FMT0_LRCLK_POLARITY_INVERTED; - break; - default: - return -EINVAL; - } - - regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG, - SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK | - SUN8I_I2S_FMT0_BCLK_POLARITY_MASK, - val); - /* DAI Mode */ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_DSP_A: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; mode = SUN8I_I2S_CTRL_MODE_PCM; offset = 1; break; case SND_SOC_DAIFMT_DSP_B: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; mode = SUN8I_I2S_CTRL_MODE_PCM; offset = 0; break; case SND_SOC_DAIFMT_I2S: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_LOW; mode = SUN8I_I2S_CTRL_MODE_LEFT; offset = 1; break; case SND_SOC_DAIFMT_LEFT_J: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; mode = SUN8I_I2S_CTRL_MODE_LEFT; offset = 0; break; case SND_SOC_DAIFMT_RIGHT_J: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; mode = SUN8I_I2S_CTRL_MODE_RIGHT; offset = 0; break; @@ -892,6 +865,36 @@ static int sun50i_h6_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET_MASK, SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET(offset)); + /* DAI clock polarity */ + bclk_pol = SUN8I_I2S_FMT0_BCLK_POLARITY_NORMAL; + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_IB_IF: + /* Invert both clocks */ + lrclk_pol ^= SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK; + bclk_pol = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED; + break; + case SND_SOC_DAIFMT_IB_NF: + /* Invert bit clock */ + bclk_pol = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED; + break; + case SND_SOC_DAIFMT_NB_IF: + /* Invert frame clock */ + lrclk_pol ^= SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK; + break; + case SND_SOC_DAIFMT_NB_NF: + /* No inversion */ + break; + default: + return -EINVAL; + } + + regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG, + SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK | + SUN8I_I2S_FMT0_BCLK_POLARITY_MASK, + lrclk_pol | bclk_pol); + + /* DAI clock master masks */ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBS_CFS: diff --git a/sound/soc/ti/davinci-mcasp.c b/sound/soc/ti/davinci-mcasp.c index 5b82329f44..dbd3060481 100644 --- a/sound/soc/ti/davinci-mcasp.c +++ b/sound/soc/ti/davinci-mcasp.c @@ -1472,10 +1472,11 @@ static int davinci_mcasp_hw_rule_min_periodsize( { struct snd_interval *period_size = hw_param_interval(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE); + u8 numevt = *((u8 *)rule->private); struct snd_interval frames; snd_interval_any(&frames); - frames.min = 64; + frames.min = numevt; frames.integer = 1; return snd_interval_refine(period_size, &frames); @@ -1490,6 +1491,7 @@ static int davinci_mcasp_startup(struct snd_pcm_substream *substream, u32 max_channels = 0; int i, dir, ret; int tdm_slots = mcasp->tdm_slots; + u8 *numevt; /* Do not allow more then one stream per direction */ if (mcasp->substreams[substream->stream]) @@ -1589,9 +1591,12 @@ static int davinci_mcasp_startup(struct snd_pcm_substream *substream, return ret; } + numevt = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? + &mcasp->txnumevt : + &mcasp->rxnumevt; snd_pcm_hw_rule_add(substream->runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, - davinci_mcasp_hw_rule_min_periodsize, NULL, + davinci_mcasp_hw_rule_min_periodsize, numevt, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, -1); return 0; diff --git a/sound/soc/ti/omap-hdmi.c b/sound/soc/ti/omap-hdmi.c index 3328c02f93..1dfe439d13 100644 --- a/sound/soc/ti/omap-hdmi.c +++ b/sound/soc/ti/omap-hdmi.c @@ -353,11 +353,7 @@ static int omap_hdmi_audio_probe(struct platform_device *pdev) if (!card) return -ENOMEM; - card->name = devm_kasprintf(dev, GFP_KERNEL, - "HDMI %s", dev_name(ad->dssdev)); - if (!card->name) - return -ENOMEM; - + card->name = "HDMI"; card->owner = THIS_MODULE; card->dai_link = devm_kzalloc(dev, sizeof(*(card->dai_link)), GFP_KERNEL); diff --git a/sound/synth/emux/soundfont.c b/sound/synth/emux/soundfont.c index 16f00097cb..eed47e4830 100644 --- a/sound/synth/emux/soundfont.c +++ b/sound/synth/emux/soundfont.c @@ -701,7 +701,6 @@ load_data(struct snd_sf_list *sflist, const void __user *data, long count) struct snd_soundfont *sf; struct soundfont_sample_info sample_info; struct snd_sf_sample *sp; - long off; /* patch must be opened */ sf = sflist->currsf; @@ -711,12 +710,16 @@ load_data(struct snd_sf_list *sflist, const void __user *data, long count) if (is_special_type(sf->type)) return -EINVAL; + if (count < (long)sizeof(sample_info)) { + return -EINVAL; + } if (copy_from_user(&sample_info, data, sizeof(sample_info))) return -EFAULT; + data += sizeof(sample_info); + count -= sizeof(sample_info); - off = sizeof(sample_info); - - if (sample_info.size != (count-off)/2) + // SoundFont uses S16LE samples. + if (sample_info.size * 2 != count) return -EINVAL; /* Check for dup */ @@ -744,7 +747,7 @@ load_data(struct snd_sf_list *sflist, const void __user *data, long count) int rc; rc = sflist->callback.sample_new (sflist->callback.private_data, sp, sflist->memhdr, - data + off, count - off); + data, count); if (rc < 0) { sf_sample_delete(sflist, sf, sp); return rc; @@ -957,10 +960,12 @@ load_guspatch(struct snd_sf_list *sflist, const char __user *data, } if (copy_from_user(&patch, data, sizeof(patch))) return -EFAULT; - count -= sizeof(patch); data += sizeof(patch); + if ((patch.len << (patch.mode & WAVE_16_BITS ? 1 : 0)) != count) + return -EINVAL; + sf = newsf(sflist, SNDRV_SFNT_PAT_TYPE_GUS|SNDRV_SFNT_PAT_SHARED, NULL); if (sf == NULL) return -ENOMEM; diff --git a/sound/usb/card.c b/sound/usb/card.c index bebd42413f..bec6d41a14 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -382,6 +382,12 @@ static const struct usb_audio_device_name usb_audio_names[] = { /* Creative/Toshiba Multimedia Center SB-0500 */ DEVICE_NAME(0x041e, 0x3048, "Toshiba", "SB-0500"), + /* Logitech Audio Devices */ + DEVICE_NAME(0x046d, 0x0867, "Logitech, Inc.", "Logi-MeetUp"), + DEVICE_NAME(0x046d, 0x0874, "Logitech, Inc.", "Logi-Tap-Audio"), + DEVICE_NAME(0x046d, 0x087c, "Logitech, Inc.", "Logi-Huddle"), + DEVICE_NAME(0x046d, 0x0898, "Logitech, Inc.", "Logi-RB-Audio"), + DEVICE_NAME(0x046d, 0x08d2, "Logitech, Inc.", "Logi-RBM-Audio"), DEVICE_NAME(0x046d, 0x0990, "Logitech, Inc.", "QuickCam Pro 9000"), DEVICE_NAME(0x05e1, 0x0408, "Syntek", "STK1160"), diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c index f4437015d4..9df49a880b 100644 --- a/sound/usb/line6/driver.c +++ b/sound/usb/line6/driver.c @@ -286,12 +286,14 @@ static void line6_data_received(struct urb *urb) { struct usb_line6 *line6 = (struct usb_line6 *)urb->context; struct midi_buffer *mb = &line6->line6midi->midibuf_in; + unsigned long flags; int done; if (urb->status == -ESHUTDOWN) return; if (line6->properties->capabilities & LINE6_CAP_CONTROL_MIDI) { + spin_lock_irqsave(&line6->line6midi->lock, flags); done = line6_midibuf_write(mb, urb->transfer_buffer, urb->actual_length); @@ -300,12 +302,15 @@ static void line6_data_received(struct urb *urb) dev_dbg(line6->ifcdev, "%d %d buffer overflow - message skipped\n", done, urb->actual_length); } + spin_unlock_irqrestore(&line6->line6midi->lock, flags); for (;;) { + spin_lock_irqsave(&line6->line6midi->lock, flags); done = line6_midibuf_read(mb, line6->buffer_message, LINE6_MIDI_MESSAGE_MAXLEN, LINE6_MIDIBUF_READ_RX); + spin_unlock_irqrestore(&line6->line6midi->lock, flags); if (done <= 0) break; diff --git a/sound/usb/line6/podhd.c b/sound/usb/line6/podhd.c index b24bc82f89..a933a02415 100644 --- a/sound/usb/line6/podhd.c +++ b/sound/usb/line6/podhd.c @@ -507,7 +507,7 @@ static const struct line6_properties podhd_properties_table[] = { [LINE6_PODHD500X] = { .id = "PODHD500X", .name = "POD HD500X", - .capabilities = LINE6_CAP_CONTROL + .capabilities = LINE6_CAP_CONTROL | LINE6_CAP_HWMON_CTL | LINE6_CAP_PCM | LINE6_CAP_HWMON, .altsetting = 1, .ep_ctrl_r = 0x81, diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index d818eee53c..4b979218d3 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1206,6 +1206,14 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval, } break; case USB_ID(0x1bcf, 0x2283): /* NexiGo N930AF FHD Webcam */ + case USB_ID(0x03f0, 0x654a): /* HP 320 FHD Webcam */ + if (!strcmp(kctl->id.name, "Mic Capture Volume")) { + usb_audio_info(chip, + "set resolution quirk: cval->res = 16\n"); + cval->res = 16; + } + break; + case USB_ID(0x1bcf, 0x2281): /* HD Webcam */ if (!strcmp(kctl->id.name, "Mic Capture Volume")) { usb_audio_info(chip, "set resolution quirk: cval->res = 16\n"); @@ -1339,6 +1347,19 @@ static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval, #define get_min_max(cval, def) get_min_max_with_quirks(cval, def, NULL) +/* get the max value advertised via control API */ +static int get_max_exposed(struct usb_mixer_elem_info *cval) +{ + if (!cval->max_exposed) { + if (cval->res) + cval->max_exposed = + DIV_ROUND_UP(cval->max - cval->min, cval->res); + else + cval->max_exposed = cval->max - cval->min; + } + return cval->max_exposed; +} + /* get a feature/mixer unit info */ static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) @@ -1351,11 +1372,8 @@ static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, else uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = cval->channels; - if (cval->val_type == USB_MIXER_BOOLEAN || - cval->val_type == USB_MIXER_INV_BOOLEAN) { - uinfo->value.integer.min = 0; - uinfo->value.integer.max = 1; - } else { + if (cval->val_type != USB_MIXER_BOOLEAN && + cval->val_type != USB_MIXER_INV_BOOLEAN) { if (!cval->initialized) { get_min_max_with_quirks(cval, 0, kcontrol); if (cval->initialized && cval->dBmin >= cval->dBmax) { @@ -1367,10 +1385,10 @@ static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, &kcontrol->id); } } - uinfo->value.integer.min = 0; - uinfo->value.integer.max = - DIV_ROUND_UP(cval->max - cval->min, cval->res); } + + uinfo->value.integer.min = 0; + uinfo->value.integer.max = get_max_exposed(cval); return 0; } @@ -1411,6 +1429,7 @@ static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_info *cval = kcontrol->private_data; + int max_val = get_max_exposed(cval); int c, cnt, val, oval, err; int changed = 0; @@ -1423,6 +1442,8 @@ static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, if (err < 0) return filter_error(cval, err); val = ucontrol->value.integer.value[cnt]; + if (val < 0 || val > max_val) + return -EINVAL; val = get_abs_value(cval, val); if (oval != val) { snd_usb_set_cur_mix_value(cval, c + 1, cnt, val); @@ -1436,6 +1457,8 @@ static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, if (err < 0) return filter_error(cval, err); val = ucontrol->value.integer.value[0]; + if (val < 0 || val > max_val) + return -EINVAL; val = get_abs_value(cval, val); if (val != oval) { snd_usb_set_cur_mix_value(cval, 0, 0, val); @@ -2294,6 +2317,8 @@ static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, if (err < 0) return filter_error(cval, err); val = ucontrol->value.integer.value[0]; + if (val < 0 || val > get_max_exposed(cval)) + return -EINVAL; val = get_abs_value(cval, val); if (val != oval) { set_cur_ctl_value(cval, cval->control << 8, val); @@ -2656,6 +2681,8 @@ static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, if (err < 0) return filter_error(cval, err); val = ucontrol->value.enumerated.item[0]; + if (val < 0 || val >= cval->max) /* here cval->max = # elements */ + return -EINVAL; val = get_abs_value(cval, val); if (val != oval) { set_cur_ctl_value(cval, cval->control << 8, val); diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h index 98ea24d91d..e3f3740204 100644 --- a/sound/usb/mixer.h +++ b/sound/usb/mixer.h @@ -88,6 +88,7 @@ struct usb_mixer_elem_info { int channels; int val_type; int min, max, res; + int max_exposed; /* control API exposes the value in 0..max_exposed */ int dBmin, dBmax; int cached; int cache_val[MAX_CHANNELS]; diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index 9d58f8d20f..e45f3d3e11 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include #include @@ -1934,6 +1935,169 @@ static int snd_soundblaster_e1_switch_create(struct usb_mixer_interface *mixer) NULL); } +/* + * Dell WD15 dock jack detection + * + * The WD15 contains an ALC4020 USB audio controller and ALC3263 audio codec + * from Realtek. It is a UAC 1 device, and UAC 1 does not support jack + * detection. Instead, jack detection works by sending HD Audio commands over + * vendor-type USB messages. + */ + +#define HDA_VERB_CMD(V, N, D) (((N) << 20) | ((V) << 8) | (D)) + +#define REALTEK_HDA_VALUE 0x0038 + +#define REALTEK_HDA_SET 62 +#define REALTEK_HDA_GET_OUT 88 +#define REALTEK_HDA_GET_IN 89 + +#define REALTEK_LINE1 0x1a +#define REALTEK_VENDOR_REGISTERS 0x20 +#define REALTEK_HP_OUT 0x21 + +#define REALTEK_CBJ_CTRL2 0x50 + +#define REALTEK_JACK_INTERRUPT_NODE 5 + +#define REALTEK_MIC_FLAG 0x100 + +static int realtek_hda_set(struct snd_usb_audio *chip, u32 cmd) +{ + struct usb_device *dev = chip->dev; + __be32 buf = cpu_to_be32(cmd); + + return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_SET, + USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT, + REALTEK_HDA_VALUE, 0, &buf, sizeof(buf)); +} + +static int realtek_hda_get(struct snd_usb_audio *chip, u32 cmd, u32 *value) +{ + struct usb_device *dev = chip->dev; + int err; + __be32 buf = cpu_to_be32(cmd); + + err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_GET_OUT, + USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT, + REALTEK_HDA_VALUE, 0, &buf, sizeof(buf)); + if (err < 0) + return err; + err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), REALTEK_HDA_GET_IN, + USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_IN, + REALTEK_HDA_VALUE, 0, &buf, sizeof(buf)); + if (err < 0) + return err; + + *value = be32_to_cpu(buf); + return 0; +} + +static int realtek_ctl_connector_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *cval = kcontrol->private_data; + struct snd_usb_audio *chip = cval->head.mixer->chip; + u32 pv = kcontrol->private_value; + u32 node_id = pv & 0xff; + u32 sense; + u32 cbj_ctrl2; + bool presence; + int err; + + err = snd_usb_lock_shutdown(chip); + if (err < 0) + return err; + err = realtek_hda_get(chip, + HDA_VERB_CMD(AC_VERB_GET_PIN_SENSE, node_id, 0), + &sense); + if (err < 0) + goto err; + if (pv & REALTEK_MIC_FLAG) { + err = realtek_hda_set(chip, + HDA_VERB_CMD(AC_VERB_SET_COEF_INDEX, + REALTEK_VENDOR_REGISTERS, + REALTEK_CBJ_CTRL2)); + if (err < 0) + goto err; + err = realtek_hda_get(chip, + HDA_VERB_CMD(AC_VERB_GET_PROC_COEF, + REALTEK_VENDOR_REGISTERS, 0), + &cbj_ctrl2); + if (err < 0) + goto err; + } +err: + snd_usb_unlock_shutdown(chip); + if (err < 0) + return err; + + presence = sense & AC_PINSENSE_PRESENCE; + if (pv & REALTEK_MIC_FLAG) + presence = presence && (cbj_ctrl2 & 0x0070) == 0x0070; + ucontrol->value.integer.value[0] = presence; + return 0; +} + +static const struct snd_kcontrol_new realtek_connector_ctl_ro = { + .iface = SNDRV_CTL_ELEM_IFACE_CARD, + .name = "", /* will be filled later manually */ + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .info = snd_ctl_boolean_mono_info, + .get = realtek_ctl_connector_get, +}; + +static int realtek_resume_jack(struct usb_mixer_elem_list *list) +{ + snd_ctl_notify(list->mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, + &list->kctl->id); + return 0; +} + +static int realtek_add_jack(struct usb_mixer_interface *mixer, + char *name, u32 val) +{ + struct usb_mixer_elem_info *cval; + struct snd_kcontrol *kctl; + + cval = kzalloc(sizeof(*cval), GFP_KERNEL); + if (!cval) + return -ENOMEM; + snd_usb_mixer_elem_init_std(&cval->head, mixer, + REALTEK_JACK_INTERRUPT_NODE); + cval->head.resume = realtek_resume_jack; + cval->val_type = USB_MIXER_BOOLEAN; + cval->channels = 1; + cval->min = 0; + cval->max = 1; + kctl = snd_ctl_new1(&realtek_connector_ctl_ro, cval); + if (!kctl) { + kfree(cval); + return -ENOMEM; + } + kctl->private_value = val; + strscpy(kctl->id.name, name, sizeof(kctl->id.name)); + kctl->private_free = snd_usb_mixer_elem_free; + return snd_usb_mixer_add_control(&cval->head, kctl); +} + +static int dell_dock_mixer_create(struct usb_mixer_interface *mixer) +{ + int err; + + err = realtek_add_jack(mixer, "Line Out Jack", REALTEK_LINE1); + if (err < 0) + return err; + err = realtek_add_jack(mixer, "Headphone Jack", REALTEK_HP_OUT); + if (err < 0) + return err; + err = realtek_add_jack(mixer, "Headset Mic Jack", + REALTEK_HP_OUT | REALTEK_MIC_FLAG); + if (err < 0) + return err; + return 0; +} + static void dell_dock_init_vol(struct snd_usb_audio *chip, int ch, int id) { u16 buf = 0; @@ -3272,8 +3436,14 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) err = snd_soundblaster_e1_switch_create(mixer); break; case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */ + err = dell_dock_mixer_create(mixer); + if (err < 0) + break; err = dell_dock_mixer_init(mixer); break; + case USB_ID(0x0bda, 0x402e): /* Dell WD19 dock */ + err = dell_dock_mixer_create(mixer); + break; case USB_ID(0x2a39, 0x3fd2): /* RME ADI-2 Pro */ case USB_ID(0x2a39, 0x3fd3): /* RME ADI-2 DAC */ diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 580e264964..737302cfed 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -160,11 +160,12 @@ find_substream_format(struct snd_usb_substream *subs, bool snd_usb_pcm_has_fixed_rate(struct snd_usb_substream *subs) { const struct audioformat *fp; - struct snd_usb_audio *chip = subs->stream->chip; + struct snd_usb_audio *chip; int rate = -1; if (!subs) return false; + chip = subs->stream->chip; if (!(chip->quirk_flags & QUIRK_FLAG_FIXED_RATE)) return false; list_for_each_entry(fp, &subs->fmt_list, list) { diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 6d332c9eb4..dd98b4e13e 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -35,6 +35,83 @@ .bInterfaceClass = USB_CLASS_AUDIO, \ .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL +/* Quirk .driver_info, followed by the definition of the quirk entry; + * put like QUIRK_DRIVER_INFO { ... } in each entry of the quirk table + */ +#define QUIRK_DRIVER_INFO \ + .driver_info = (unsigned long)&(const struct snd_usb_audio_quirk) + +/* + * Macros for quirk data entries + */ + +/* Quirk data entry for ignoring the interface */ +#define QUIRK_DATA_IGNORE(_ifno) \ + .ifnum = (_ifno), .type = QUIRK_IGNORE_INTERFACE +/* Quirk data entry for a standard audio interface */ +#define QUIRK_DATA_STANDARD_AUDIO(_ifno) \ + .ifnum = (_ifno), .type = QUIRK_AUDIO_STANDARD_INTERFACE +/* Quirk data entry for a standard MIDI interface */ +#define QUIRK_DATA_STANDARD_MIDI(_ifno) \ + .ifnum = (_ifno), .type = QUIRK_MIDI_STANDARD_INTERFACE +/* Quirk data entry for a standard mixer interface */ +#define QUIRK_DATA_STANDARD_MIXER(_ifno) \ + .ifnum = (_ifno), .type = QUIRK_AUDIO_STANDARD_MIXER + +/* Quirk data entry for Yamaha MIDI */ +#define QUIRK_DATA_MIDI_YAMAHA(_ifno) \ + .ifnum = (_ifno), .type = QUIRK_MIDI_YAMAHA +/* Quirk data entry for Edirol UAxx */ +#define QUIRK_DATA_EDIROL_UAXX(_ifno) \ + .ifnum = (_ifno), .type = QUIRK_AUDIO_EDIROL_UAXX +/* Quirk data entry for raw bytes interface */ +#define QUIRK_DATA_RAW_BYTES(_ifno) \ + .ifnum = (_ifno), .type = QUIRK_MIDI_RAW_BYTES + +/* Quirk composite array terminator */ +#define QUIRK_COMPOSITE_END { .ifnum = -1 } + +/* Quirk data entry for composite quirks; + * followed by the quirk array that is terminated with QUIRK_COMPOSITE_END + * e.g. QUIRK_DATA_COMPOSITE { { quirk1 }, { quirk2 },..., QUIRK_COMPOSITE_END } + */ +#define QUIRK_DATA_COMPOSITE \ + .ifnum = QUIRK_ANY_INTERFACE, \ + .type = QUIRK_COMPOSITE, \ + .data = &(const struct snd_usb_audio_quirk[]) + +/* Quirk data entry for a fixed audio endpoint; + * followed by audioformat definition + * e.g. QUIRK_DATA_AUDIOFORMAT(n) { .formats = xxx, ... } + */ +#define QUIRK_DATA_AUDIOFORMAT(_ifno) \ + .ifnum = (_ifno), \ + .type = QUIRK_AUDIO_FIXED_ENDPOINT, \ + .data = &(const struct audioformat) + +/* Quirk data entry for a fixed MIDI endpoint; + * followed by snd_usb_midi_endpoint_info definition + * e.g. QUIRK_DATA_MIDI_FIXED_ENDPOINT(n) { .out_cables = x, .in_cables = y } + */ +#define QUIRK_DATA_MIDI_FIXED_ENDPOINT(_ifno) \ + .ifnum = (_ifno), \ + .type = QUIRK_MIDI_FIXED_ENDPOINT, \ + .data = &(const struct snd_usb_midi_endpoint_info) +/* Quirk data entry for a MIDIMAN MIDI endpoint */ +#define QUIRK_DATA_MIDI_MIDIMAN(_ifno) \ + .ifnum = (_ifno), \ + .type = QUIRK_MIDI_MIDIMAN, \ + .data = &(const struct snd_usb_midi_endpoint_info) +/* Quirk data entry for a EMAGIC MIDI endpoint */ +#define QUIRK_DATA_MIDI_EMAGIC(_ifno) \ + .ifnum = (_ifno), \ + .type = QUIRK_MIDI_EMAGIC, \ + .data = &(const struct snd_usb_midi_endpoint_info) + +/* + * Here we go... the quirk table definition begins: + */ + /* FTDI devices */ { USB_DEVICE(0x0403, 0xb8d8), @@ -273,6 +350,7 @@ YAMAHA_DEVICE(0x105a, NULL), YAMAHA_DEVICE(0x105b, NULL), YAMAHA_DEVICE(0x105c, NULL), YAMAHA_DEVICE(0x105d, NULL), +YAMAHA_DEVICE(0x1718, "P-125"), { USB_DEVICE(0x0499, 0x1503), .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { @@ -2594,6 +2672,10 @@ YAMAHA_DEVICE(0x7010, "UB99"), } }, +/* Stanton ScratchAmp */ +{ USB_DEVICE(0x103d, 0x0100) }, +{ USB_DEVICE(0x103d, 0x0101) }, + /* Novation EMS devices */ { USB_DEVICE_VENDOR_SPEC(0x1235, 0x0001), diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 1226ce5d5a..1d620c2f41 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1747,6 +1747,8 @@ struct usb_audio_quirk_flags_table { static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { /* Device matches */ + DEVICE_FLG(0x03f0, 0x654a, /* HP 320 FHD Webcam */ + QUIRK_FLAG_GET_SAMPLE_RATE), DEVICE_FLG(0x041e, 0x3000, /* Creative SB Extigy */ QUIRK_FLAG_IGNORE_CTL_ERROR), DEVICE_FLG(0x041e, 0x4080, /* Creative Live Cam VF0610 */ @@ -1810,6 +1812,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { QUIRK_FLAG_CTL_MSG_DELAY_1M), DEVICE_FLG(0x0b0e, 0x0349, /* Jabra 550a */ QUIRK_FLAG_CTL_MSG_DELAY_1M), + DEVICE_FLG(0x0c45, 0x6340, /* Sonix HD USB Camera */ + QUIRK_FLAG_GET_SAMPLE_RATE), DEVICE_FLG(0x0ecb, 0x205c, /* JBL Quantum610 Wireless */ QUIRK_FLAG_FIXED_RATE), DEVICE_FLG(0x0ecb, 0x2069, /* JBL Quantum810 Wireless */ @@ -1844,12 +1848,16 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { QUIRK_FLAG_DISABLE_AUTOSUSPEND), DEVICE_FLG(0x17aa, 0x104d, /* Lenovo ThinkStation P620 Internal Speaker + Front Headset */ QUIRK_FLAG_DISABLE_AUTOSUSPEND), + DEVICE_FLG(0x1852, 0x5062, /* Luxman D-08u */ + QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY), DEVICE_FLG(0x1852, 0x5065, /* Luxman DA-06 */ QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY), DEVICE_FLG(0x1901, 0x0191, /* GE B850V3 CP2114 audio interface */ QUIRK_FLAG_GET_SAMPLE_RATE), DEVICE_FLG(0x19f7, 0x0035, /* RODE NT-USB+ */ QUIRK_FLAG_GET_SAMPLE_RATE), + DEVICE_FLG(0x1bcf, 0x2281, /* HD Webcam */ + QUIRK_FLAG_GET_SAMPLE_RATE), DEVICE_FLG(0x1bcf, 0x2283, /* NexiGo N930AF FHD Webcam */ QUIRK_FLAG_GET_SAMPLE_RATE), DEVICE_FLG(0x2040, 0x7200, /* Hauppauge HVR-950Q */ @@ -1896,6 +1904,10 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { QUIRK_FLAG_GENERIC_IMPLICIT_FB), DEVICE_FLG(0x2b53, 0x0031, /* Fiero SC-01 (firmware v1.1.0) */ QUIRK_FLAG_GENERIC_IMPLICIT_FB), + DEVICE_FLG(0x2d95, 0x8011, /* VIVO USB-C HEADSET */ + QUIRK_FLAG_CTL_MSG_DELAY_1M), + DEVICE_FLG(0x2d95, 0x8021, /* VIVO USB-C-XE710 HEADSET */ + QUIRK_FLAG_CTL_MSG_DELAY_1M), DEVICE_FLG(0x30be, 0x0101, /* Schiit Hel */ QUIRK_FLAG_IGNORE_CTL_ERROR), DEVICE_FLG(0x413c, 0xa506, /* Dell AE515 sound bar */ diff --git a/sound/usb/stream.c b/sound/usb/stream.c index d5409f3879..e14c725ace 100644 --- a/sound/usb/stream.c +++ b/sound/usb/stream.c @@ -244,8 +244,8 @@ static struct snd_pcm_chmap_elem *convert_chmap(int channels, unsigned int bits, SNDRV_CHMAP_FR, /* right front */ SNDRV_CHMAP_FC, /* center front */ SNDRV_CHMAP_LFE, /* LFE */ - SNDRV_CHMAP_SL, /* left surround */ - SNDRV_CHMAP_SR, /* right surround */ + SNDRV_CHMAP_RL, /* left surround */ + SNDRV_CHMAP_RR, /* right surround */ SNDRV_CHMAP_FLC, /* left of center */ SNDRV_CHMAP_FRC, /* right of center */ SNDRV_CHMAP_RC, /* surround */ diff --git a/tools/arch/x86/kcpuid/kcpuid.c b/tools/arch/x86/kcpuid/kcpuid.c index dae75511fe..bbeb2dc864 100644 --- a/tools/arch/x86/kcpuid/kcpuid.c +++ b/tools/arch/x86/kcpuid/kcpuid.c @@ -7,7 +7,8 @@ #include #include -#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) +#define min(a, b) (((a) < (b)) ? (a) : (b)) typedef unsigned int u32; typedef unsigned long long u64; @@ -203,12 +204,9 @@ static void raw_dump_range(struct cpuid_range *range) #define MAX_SUBLEAF_NUM 32 struct cpuid_range *setup_cpuid_range(u32 input_eax) { - u32 max_func, idx_func; - int subleaf; + u32 max_func, idx_func, subleaf, max_subleaf; + u32 eax, ebx, ecx, edx, f = input_eax; struct cpuid_range *range; - u32 eax, ebx, ecx, edx; - u32 f = input_eax; - int max_subleaf; bool allzero; eax = input_eax; @@ -254,7 +252,7 @@ struct cpuid_range *setup_cpuid_range(u32 input_eax) * others have to be tried (0xf) */ if (f == 0x7 || f == 0x14 || f == 0x17 || f == 0x18) - max_subleaf = (eax & 0xff) + 1; + max_subleaf = min((eax & 0xff) + 1, max_subleaf); if (f == 0xb) max_subleaf = 2; diff --git a/tools/iio/iio_generic_buffer.c b/tools/iio/iio_generic_buffer.c index 0d0a7a19d6..9ef5ee087e 100644 --- a/tools/iio/iio_generic_buffer.c +++ b/tools/iio/iio_generic_buffer.c @@ -498,6 +498,10 @@ int main(int argc, char **argv) return -ENOMEM; } trigger_name = malloc(IIO_MAX_NAME_LENGTH); + if (!trigger_name) { + ret = -ENOMEM; + goto error; + } ret = read_sysfs_string("name", trig_dev_name, trigger_name); free(trig_dev_name); if (ret < 0) { diff --git a/tools/include/asm-generic/hugetlb_encode.h b/tools/include/asm-generic/hugetlb_encode.h index 4f3d5aaa11..de687009bf 100644 --- a/tools/include/asm-generic/hugetlb_encode.h +++ b/tools/include/asm-generic/hugetlb_encode.h @@ -20,18 +20,18 @@ #define HUGETLB_FLAG_ENCODE_SHIFT 26 #define HUGETLB_FLAG_ENCODE_MASK 0x3f -#define HUGETLB_FLAG_ENCODE_16KB (14 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_64KB (16 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_512KB (19 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_1MB (20 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_2MB (21 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_8MB (23 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_16MB (24 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_32MB (25 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_256MB (28 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_512MB (29 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_1GB (30 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_2GB (31 << HUGETLB_FLAG_ENCODE_SHIFT) -#define HUGETLB_FLAG_ENCODE_16GB (34 << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_16KB (14U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_64KB (16U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_512KB (19U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_1MB (20U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_2MB (21U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_8MB (23U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_16MB (24U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_32MB (25U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_256MB (28U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_512MB (29U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_1GB (30U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_2GB (31U << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_16GB (34U << HUGETLB_FLAG_ENCODE_SHIFT) #endif /* _ASM_GENERIC_HUGETLB_ENCODE_H_ */ diff --git a/tools/include/linux/align.h b/tools/include/linux/align.h new file mode 100644 index 0000000000..14e34ace80 --- /dev/null +++ b/tools/include/linux/align.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _TOOLS_LINUX_ALIGN_H +#define _TOOLS_LINUX_ALIGN_H + +#include + +#define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) +#define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a)) +#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) + +#endif /* _TOOLS_LINUX_ALIGN_H */ diff --git a/tools/include/linux/bitmap.h b/tools/include/linux/bitmap.h index 95611df1d2..a83ffdf1e2 100644 --- a/tools/include/linux/bitmap.h +++ b/tools/include/linux/bitmap.h @@ -3,6 +3,7 @@ #define _PERF_BITOPS_H #include +#include #include #include #include @@ -24,13 +25,14 @@ int __bitmap_intersects(const unsigned long *bitmap1, #define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1))) #define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1))) +#define bitmap_size(nbits) (ALIGN(nbits, BITS_PER_LONG) / BITS_PER_BYTE) + static inline void bitmap_zero(unsigned long *dst, unsigned int nbits) { if (small_const_nbits(nbits)) *dst = 0UL; else { - int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long); - memset(dst, 0, len); + memset(dst, 0, bitmap_size(nbits)); } } @@ -116,7 +118,7 @@ static inline int test_and_clear_bit(int nr, unsigned long *addr) */ static inline unsigned long *bitmap_zalloc(int nbits) { - return calloc(1, BITS_TO_LONGS(nbits) * sizeof(unsigned long)); + return calloc(1, bitmap_size(nbits)); } /* @@ -159,7 +161,6 @@ static inline int bitmap_and(unsigned long *dst, const unsigned long *src1, #define BITMAP_MEM_ALIGNMENT (8 * sizeof(unsigned long)) #endif #define BITMAP_MEM_MASK (BITMAP_MEM_ALIGNMENT - 1) -#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) static inline int bitmap_equal(const unsigned long *src1, const unsigned long *src2, unsigned int nbits) diff --git a/tools/lib/bpf/bpf_core_read.h b/tools/lib/bpf/bpf_core_read.h index e4aa9996a5..b8e68a17f3 100644 --- a/tools/lib/bpf/bpf_core_read.h +++ b/tools/lib/bpf/bpf_core_read.h @@ -101,6 +101,7 @@ enum bpf_enum_value_kind { case 2: val = *(const unsigned short *)p; break; \ case 4: val = *(const unsigned int *)p; break; \ case 8: val = *(const unsigned long long *)p; break; \ + default: val = 0; break; \ } \ val <<= __CORE_RELO(s, field, LSHIFT_U64); \ if (__CORE_RELO(s, field, SIGNED)) \ diff --git a/tools/lib/bpf/btf_dump.c b/tools/lib/bpf/btf_dump.c index b91dd7cd4f..c2bf996fcb 100644 --- a/tools/lib/bpf/btf_dump.c +++ b/tools/lib/bpf/btf_dump.c @@ -1458,10 +1458,12 @@ static void btf_dump_emit_type_chain(struct btf_dump *d, * Clang for BPF target generates func_proto with no * args as a func_proto with a single void arg (e.g., * `int (*f)(void)` vs just `int (*f)()`). We are - * going to pretend there are no args for such case. + * going to emit valid empty args (void) syntax for + * such case. Similarly and conveniently, valid + * no args case can be special-cased here as well. */ - if (vlen == 1 && p->type == 0) { - btf_dump_printf(d, ")"); + if (vlen == 0 || (vlen == 1 && p->type == 0)) { + btf_dump_printf(d, "void)"); return; } diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 0c201f07d8..d201a7356f 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -8729,7 +8729,7 @@ __bpf_map__iter(const struct bpf_map *m, const struct bpf_object *obj, int i) struct bpf_map * bpf_map__next(const struct bpf_map *prev, const struct bpf_object *obj) { - if (prev == NULL) + if (prev == NULL && obj != NULL) return obj->maps; return __bpf_map__iter(prev, obj, 1); @@ -8738,7 +8738,7 @@ bpf_map__next(const struct bpf_map *prev, const struct bpf_object *obj) struct bpf_map * bpf_map__prev(const struct bpf_map *next, const struct bpf_object *obj) { - if (next == NULL) { + if (next == NULL && obj != NULL) { if (!obj->nr_maps) return NULL; return obj->maps + obj->nr_maps - 1; diff --git a/tools/lib/bpf/linker.c b/tools/lib/bpf/linker.c index 6b2f59ddb6..bfe0c30841 100644 --- a/tools/lib/bpf/linker.c +++ b/tools/lib/bpf/linker.c @@ -2193,10 +2193,17 @@ static int linker_fixup_btf(struct src_obj *obj) vi = btf_var_secinfos(t); for (j = 0, m = btf_vlen(t); j < m; j++, vi++) { const struct btf_type *vt = btf__type_by_id(obj->btf, vi->type); - const char *var_name = btf__str_by_offset(obj->btf, vt->name_off); - int var_linkage = btf_var(vt)->linkage; + const char *var_name; + int var_linkage; Elf64_Sym *sym; + /* could be a variable or function */ + if (!btf_is_var(vt)) + continue; + + var_name = btf__str_by_offset(obj->btf, vt->name_off); + var_linkage = btf_var(vt)->linkage; + /* no need to patch up static or extern vars */ if (var_linkage != BTF_VAR_GLOBAL_ALLOCATED) continue; diff --git a/tools/memory-model/lock.cat b/tools/memory-model/lock.cat index 6b52f365d7..9f3b5b3822 100644 --- a/tools/memory-model/lock.cat +++ b/tools/memory-model/lock.cat @@ -102,19 +102,19 @@ let rf-lf = rfe-lf | rfi-lf * within one of the lock's critical sections returns False. *) -(* rfi for RU events: an RU may read from the last po-previous UL *) -let rfi-ru = ([UL] ; po-loc ; [RU]) \ ([UL] ; po-loc ; [LKW] ; po-loc) - -(* rfe for RU events: an RU may read from an external UL or the initial write *) -let all-possible-rfe-ru = - let possible-rfe-ru r = +(* + * rf for RU events: an RU may read from an external UL or the initial write, + * or from the last po-previous UL + *) +let all-possible-rf-ru = + let possible-rf-ru r = let pair-to-relation p = p ++ 0 - in map pair-to-relation (((UL | IW) * {r}) & loc & ext) - in map possible-rfe-ru RU + in map pair-to-relation ((((UL | IW) * {r}) & loc & ext) | + (((UL * {r}) & po-loc) \ ([UL] ; po-loc ; [LKW] ; po-loc))) + in map possible-rf-ru RU (* Generate all rf relations for RU events *) -with rfe-ru from cross(all-possible-rfe-ru) -let rf-ru = rfe-ru | rfi-ru +with rf-ru from cross(all-possible-rf-ru) (* Final rf relation *) let rf = rf | rf-lf | rf-ru diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index c805152435..fa6a78c472 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -423,9 +423,10 @@ include::itrace.txt[] will be printed. Each entry has function name and file/line. Enabled by default, disable with --no-inline. ---insn-trace:: - Show instruction stream for intel_pt traces. Combine with --xed to - show disassembly. +--insn-trace[=]:: + Show instruction stream in bytes (raw) or disassembled (disasm) + for intel_pt traces. The default is 'raw'. To use xed, combine + 'raw' with --xed to show disassembly done by xed. --xed:: Run xed disassembler on output. Requires installing the xed disassembler. diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c index 6df0dc00d7..7cb2180345 100644 --- a/tools/perf/arch/x86/util/intel-pt.c +++ b/tools/perf/arch/x86/util/intel-pt.c @@ -31,6 +31,7 @@ #include "../../../util/tsc.h" #include // page_size #include "../../../util/intel-pt.h" +#include #define KiB(x) ((x) * 1024) #define MiB(x) ((x) * 1024 * 1024) @@ -438,6 +439,16 @@ static int intel_pt_track_switches(struct evlist *evlist) return 0; } +static bool intel_pt_exclude_guest(void) +{ + int pt_mode; + + if (sysfs__read_int("module/kvm_intel/parameters/pt_mode", &pt_mode)) + pt_mode = 0; + + return pt_mode == 1; +} + static void intel_pt_valid_str(char *str, size_t len, u64 valid) { unsigned int val, last = 0, state = 1; @@ -641,6 +652,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, } evsel->core.attr.freq = 0; evsel->core.attr.sample_period = 1; + evsel->core.attr.exclude_guest = intel_pt_exclude_guest(); evsel->no_aux_samples = true; intel_pt_evsel = evsel; opts->full_auxtrace = true; @@ -777,7 +789,8 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, } if (!opts->auxtrace_snapshot_mode && !opts->auxtrace_sample_mode) { - u32 aux_watermark = opts->auxtrace_mmap_pages * page_size / 4; + size_t aw = opts->auxtrace_mmap_pages * (size_t)page_size / 4; + u32 aux_watermark = aw > UINT_MAX ? UINT_MAX : aw; intel_pt_evsel->core.attr.aux_watermark = aux_watermark; } diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index fcf65a59be..f0a452338e 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -358,6 +358,7 @@ static int report_events(int argc, const char **argv, struct perf_mem *mem) rep_argv[i] = argv[j]; ret = cmd_report(i, rep_argv); + free(new_sort_order); free(rep_argv); return ret; } diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 635a6b5a9e..19e96141e7 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -2577,9 +2577,12 @@ static int timehist_sched_change_event(struct perf_tool *tool, * - previous sched event is out of window - we are done * - sample time is beyond window user cares about - reset it * to close out stats for time window interest + * - If tprev is 0, that is, sched_in event for current task is + * not recorded, cannot determine whether sched_in event is + * within time window interest - ignore it */ if (ptime->end) { - if (tprev > ptime->end) + if (!tprev || tprev > ptime->end) goto out; if (t > ptime->end) @@ -3027,7 +3030,8 @@ static int perf_sched__timehist(struct perf_sched *sched) if (perf_time__parse_str(&sched->ptime, sched->time_str) != 0) { pr_err("Invalid time string\n"); - return -EINVAL; + err = -EINVAL; + goto out; } if (timehist_check_attr(sched, evlist) != 0) diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 34e809c934..78ee2c2978 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -3585,11 +3585,25 @@ static int perf_script__process_auxtrace_info(struct perf_session *session, #endif static int parse_insn_trace(const struct option *opt __maybe_unused, - const char *str __maybe_unused, - int unset __maybe_unused) + const char *str, int unset __maybe_unused) { - parse_output_fields(NULL, "+insn,-event,-period", 0); - itrace_parse_synth_opts(opt, "i0ns", 0); + const char *fields = "+insn,-event,-period"; + int ret; + + if (str) { + if (strcmp(str, "disasm") == 0) + fields = "+disasm,-event,-period"; + else if (strlen(str) != 0 && strcmp(str, "raw") != 0) { + fprintf(stderr, "Only accept raw|disasm\n"); + return -EINVAL; + } + } + + ret = parse_output_fields(NULL, fields, 0); + if (ret < 0) + return ret; + + itrace_parse_synth_opts(opt, "i0nse", 0); symbol_conf.nanosecs = true; return 0; } @@ -3728,7 +3742,7 @@ int cmd_script(int argc, const char **argv) "only consider these symbols"), OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, "Use with -S to list traced records within address range"), - OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, + OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, "raw|disasm", "Decode instructions from itrace", parse_insn_trace), OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, "Run xed disassembler on output", parse_xed), diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index e67935b1e3..4c9d785894 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -628,7 +628,12 @@ static struct hist_entry *hists__findnew_entry(struct hists *hists, * mis-adjust symbol addresses when computing * the history counter to increment. */ - if (he->ms.map != entry->ms.map) { + if (hists__has(hists, sym) && he->ms.map != entry->ms.map) { + if (he->ms.sym) { + u64 addr = he->ms.sym->start; + he->ms.sym = map__find_symbol(entry->ms.map, addr); + } + map__put(he->ms.map); he->ms.map = map__get(entry->ms.map); } diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index a4f2ffe2bd..d5133786d3 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -275,7 +275,7 @@ sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) * comparing symbol address alone is not enough since it's a * relative address within a dso. */ - if (!hists__has(left->hists, dso) || hists__has(right->hists, dso)) { + if (!hists__has(left->hists, dso)) { ret = sort__dso_cmp(left, right); if (ret != 0) return ret; diff --git a/tools/perf/util/time-utils.c b/tools/perf/util/time-utils.c index 3024439216..1b91ccd4d5 100644 --- a/tools/perf/util/time-utils.c +++ b/tools/perf/util/time-utils.c @@ -20,7 +20,7 @@ int parse_nsec_time(const char *str, u64 *ptime) u64 time_sec, time_nsec; char *end; - time_sec = strtoul(str, &end, 10); + time_sec = strtoull(str, &end, 10); if (*end != '.' && *end != '\0') return -1; @@ -38,7 +38,7 @@ int parse_nsec_time(const char *str, u64 *ptime) for (i = strlen(nsec_buf); i < 9; i++) nsec_buf[i] = '0'; - time_nsec = strtoul(nsec_buf, &end, 10); + time_nsec = strtoull(nsec_buf, &end, 10); if (*end != '\0') return -1; } else diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c index 97f2c85704..e0a7a9b1f6 100644 --- a/tools/power/cpupower/utils/helpers/amd.c +++ b/tools/power/cpupower/utils/helpers/amd.c @@ -38,6 +38,16 @@ union core_pstate { unsigned res1:31; unsigned en:1; } pstatedef; + /* since fam 1Ah: */ + struct { + unsigned fid:12; + unsigned res1:2; + unsigned vid:8; + unsigned iddval:8; + unsigned idddiv:2; + unsigned res2:31; + unsigned en:1; + } pstatedef2; unsigned long long val; }; @@ -45,6 +55,10 @@ static int get_did(union core_pstate pstate) { int t; + /* Fam 1Ah onward do not use did */ + if (cpupower_cpu_info.family >= 0x1A) + return 0; + if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATEDEF) t = pstate.pstatedef.did; else if (cpupower_cpu_info.family == 0x12) @@ -58,12 +72,18 @@ static int get_did(union core_pstate pstate) static int get_cof(union core_pstate pstate) { int t; - int fid, did, cof; + int fid, did, cof = 0; did = get_did(pstate); if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATEDEF) { - fid = pstate.pstatedef.fid; - cof = 200 * fid / did; + if (cpupower_cpu_info.family >= 0x1A) { + fid = pstate.pstatedef2.fid; + if (fid > 0x0f) + cof = (fid * 5); + } else { + fid = pstate.pstatedef.fid; + cof = 200 * fid / did; + } } else { t = 0x10; fid = pstate.pstate.fid; diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 0822e7dc0f..5a9fc659e8 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -417,6 +417,7 @@ struct topo_params { int num_cpus; int num_cores; int max_cpu_num; + int max_die_id; int max_node_num; int nodes_per_pkg; int cores_per_node; @@ -5614,7 +5615,6 @@ void topology_probe() int i; int max_core_id = 0; int max_package_id = 0; - int max_die_id = 0; int max_siblings = 0; /* Initialize num_cpus, max_cpu_num */ @@ -5683,8 +5683,8 @@ void topology_probe() /* get die information */ cpus[i].die_id = get_die_id(i); - if (cpus[i].die_id > max_die_id) - max_die_id = cpus[i].die_id; + if (cpus[i].die_id > topo.max_die_id) + topo.max_die_id = cpus[i].die_id; /* get numa node information */ cpus[i].physical_node_id = get_physical_node_id(&cpus[i]); @@ -5710,9 +5710,9 @@ void topology_probe() if (!summary_only && topo.cores_per_node > 1) BIC_PRESENT(BIC_Core); - topo.num_die = max_die_id + 1; + topo.num_die = topo.max_die_id + 1; if (debug > 1) - fprintf(outf, "max_die_id %d, sizing for %d die\n", max_die_id, topo.num_die); + fprintf(outf, "max_die_id %d, sizing for %d die\n", topo.max_die_id, topo.num_die); if (!summary_only && topo.num_die > 1) BIC_PRESENT(BIC_Die); diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl index 449e45bd69..99e17a0a13 100755 --- a/tools/testing/ktest/ktest.pl +++ b/tools/testing/ktest/ktest.pl @@ -2036,7 +2036,7 @@ sub get_grub_index { } elsif ($reboot_type eq "grub2") { $command = "cat $grub_file"; $target = '^\s*menuentry.*' . $grub_menu_qt; - $skip = '^\s*menuentry'; + $skip = '^\s*menuentry\s'; $submenu = '^\s*submenu\s'; } elsif ($reboot_type eq "grub2bls") { $command = $grub_bls_get; diff --git a/tools/testing/selftests/bpf/bench.c b/tools/testing/selftests/bpf/bench.c index 6ea15b93a2..74dad15a74 100644 --- a/tools/testing/selftests/bpf/bench.c +++ b/tools/testing/selftests/bpf/bench.c @@ -11,6 +11,7 @@ #include #include #include "bench.h" +#include "bpf_util.h" #include "testing_helpers.h" struct env env = { diff --git a/tools/testing/selftests/bpf/map_tests/sk_storage_map.c b/tools/testing/selftests/bpf/map_tests/sk_storage_map.c index e569edc679..9228e33cc0 100644 --- a/tools/testing/selftests/bpf/map_tests/sk_storage_map.c +++ b/tools/testing/selftests/bpf/map_tests/sk_storage_map.c @@ -416,7 +416,7 @@ static void test_sk_storage_map_stress_free(void) rlim_new.rlim_max = rlim_new.rlim_cur + 128; err = setrlimit(RLIMIT_NOFILE, &rlim_new); CHECK(err, "setrlimit(RLIMIT_NOFILE)", "rlim_new:%lu errno:%d", - rlim_new.rlim_cur, errno); + (unsigned long) rlim_new.rlim_cur, errno); } err = do_sk_storage_map_stress_free(); diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt.c b/tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt.c index 85babb0487..59a9b6e024 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt.c @@ -95,7 +95,7 @@ static unsigned short get_local_port(int fd) struct sockaddr_in6 addr; socklen_t addrlen = sizeof(addr); - if (!getsockname(fd, &addr, &addrlen)) + if (!getsockname(fd, (struct sockaddr *)&addr, &addrlen)) return ntohs(addr.sin6_port); return 0; diff --git a/tools/testing/selftests/bpf/prog_tests/btf_map_in_map.c b/tools/testing/selftests/bpf/prog_tests/btf_map_in_map.c index eb90a6b885..f4d7531850 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf_map_in_map.c +++ b/tools/testing/selftests/bpf/prog_tests/btf_map_in_map.c @@ -25,7 +25,7 @@ static void test_lookup_update(void) int map1_fd, map2_fd, map3_fd, map4_fd, map5_fd, map1_id, map2_id; int outer_arr_fd, outer_hash_fd, outer_arr_dyn_fd; struct test_btf_map_in_map *skel; - int err, key = 0, val, i, fd; + int err, key = 0, val, i; skel = test_btf_map_in_map__open_and_load(); if (CHECK(!skel, "skel_open", "failed to open&load skeleton\n")) @@ -102,30 +102,6 @@ static void test_lookup_update(void) CHECK(map1_id == 0, "map1_id", "failed to get ID 1\n"); CHECK(map2_id == 0, "map2_id", "failed to get ID 2\n"); - test_btf_map_in_map__destroy(skel); - skel = NULL; - - /* we need to either wait for or force synchronize_rcu(), before - * checking for "still exists" condition, otherwise map could still be - * resolvable by ID, causing false positives. - * - * Older kernels (5.8 and earlier) freed map only after two - * synchronize_rcu()s, so trigger two, to be entirely sure. - */ - CHECK(kern_sync_rcu(), "sync_rcu", "failed\n"); - CHECK(kern_sync_rcu(), "sync_rcu", "failed\n"); - - fd = bpf_map_get_fd_by_id(map1_id); - if (CHECK(fd >= 0, "map1_leak", "inner_map1 leaked!\n")) { - close(fd); - goto cleanup; - } - fd = bpf_map_get_fd_by_id(map2_id); - if (CHECK(fd >= 0, "map2_leak", "inner_map2 leaked!\n")) { - close(fd); - goto cleanup; - } - cleanup: test_btf_map_in_map__destroy(skel); } diff --git a/tools/testing/selftests/bpf/prog_tests/core_reloc.c b/tools/testing/selftests/bpf/prog_tests/core_reloc.c index 4739b15b2a..ae2c7e8fb6 100644 --- a/tools/testing/selftests/bpf/prog_tests/core_reloc.c +++ b/tools/testing/selftests/bpf/prog_tests/core_reloc.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#define _GNU_SOURCE #include #include "progs/core_reloc_types.h" #include "bpf_testmod/bpf_testmod.h" diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c index 225714f71a..334449262b 100644 --- a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c +++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#define _GNU_SOURCE #include #include #include diff --git a/tools/testing/selftests/bpf/prog_tests/kfree_skb.c b/tools/testing/selftests/bpf/prog_tests/kfree_skb.c index ddfb6bf971..f1a7d1fa0e 100644 --- a/tools/testing/selftests/bpf/prog_tests/kfree_skb.c +++ b/tools/testing/selftests/bpf/prog_tests/kfree_skb.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#define _GNU_SOURCE #include #include diff --git a/tools/testing/selftests/bpf/prog_tests/send_signal.c b/tools/testing/selftests/bpf/prog_tests/send_signal.c index 776916b61c..7b1343f70e 100644 --- a/tools/testing/selftests/bpf/prog_tests/send_signal.c +++ b/tools/testing/selftests/bpf/prog_tests/send_signal.c @@ -149,7 +149,8 @@ static void test_send_signal_tracepoint(bool signal_thread) static void test_send_signal_perf(bool signal_thread) { struct perf_event_attr attr = { - .sample_period = 1, + .freq = 1, + .sample_freq = 1000, .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_CLOCK, }; diff --git a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c index 6db07401bc..651c23d683 100644 --- a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c +++ b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c @@ -964,7 +964,7 @@ static void drop_on_reuseport(const struct test *t) err = update_lookup_map(t->sock_map, SERVER_A, server1); if (err) - goto detach; + goto close_srv1; /* second server on destination address we should never reach */ server2 = make_server(t->sotype, t->connect_to.ip, t->connect_to.port, diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c index d88bb65b74..1a0c678cba 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c @@ -1911,7 +1911,7 @@ static void unix_inet_redir_to_connected(int family, int type, int sock_mapfd, if (err) return; - if (socketpair(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0, sfd)) + if (socketpair(AF_UNIX, type | SOCK_NONBLOCK, 0, sfd)) goto close_cli0; c1 = sfd[0], p1 = sfd[1]; @@ -1946,7 +1946,6 @@ static void unix_inet_redir_to_connected(int family, int type, int sock_mapfd, close_cli0: xclose(c0); xclose(p0); - } static void unix_inet_skb_redir_to_connected(struct test_sockmap_listen *skel, diff --git a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c index d207e968e6..dee68ef976 100644 --- a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c +++ b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#define _GNU_SOURCE #include #include "cgroup_helpers.h" #include "network_helpers.h" diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_multidim.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_multidim.c index ba97165bdb..a657651eba 100644 --- a/tools/testing/selftests/bpf/progs/btf_dump_test_case_multidim.c +++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_multidim.c @@ -14,9 +14,9 @@ typedef int *ptr_arr_t[6]; typedef int *ptr_multiarr_t[7][8][9][10]; -typedef int * (*fn_ptr_arr_t[11])(); +typedef int * (*fn_ptr_arr_t[11])(void); -typedef int * (*fn_ptr_multiarr_t[12][13])(); +typedef int * (*fn_ptr_multiarr_t[12][13])(void); struct root_struct { arr_t _1; diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c index 970598dda7..7fda004c15 100644 --- a/tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c +++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c @@ -67,7 +67,7 @@ typedef void (*printf_fn_t)(const char *, ...); * `int -> char *` function and returns pointer to a char. Equivalent: * typedef char * (*fn_input_t)(int); * typedef char * (*fn_output_outer_t)(fn_input_t); - * typedef const fn_output_outer_t (* fn_output_inner_t)(); + * typedef const fn_output_outer_t (* fn_output_inner_t)(void); * typedef const fn_output_inner_t fn_ptr_arr2_t[5]; */ /* ----- START-EXPECTED-OUTPUT ----- */ @@ -94,7 +94,7 @@ typedef void (* (*signal_t)(int, void (*)(int)))(int); typedef char * (*fn_ptr_arr1_t[10])(int **); -typedef char * (* (* const fn_ptr_arr2_t[5])())(char * (*)(int)); +typedef char * (* (* const fn_ptr_arr2_t[5])(void))(char * (*)(int)); struct struct_w_typedefs { int_t a; diff --git a/tools/testing/selftests/bpf/progs/cg_storage_multi.h b/tools/testing/selftests/bpf/progs/cg_storage_multi.h index a0778fe785..41d59f0ee6 100644 --- a/tools/testing/selftests/bpf/progs/cg_storage_multi.h +++ b/tools/testing/selftests/bpf/progs/cg_storage_multi.h @@ -3,8 +3,6 @@ #ifndef __PROGS_CG_STORAGE_MULTI_H #define __PROGS_CG_STORAGE_MULTI_H -#include - struct cgroup_value { __u32 egress_pkts; __u32 ingress_pkts; diff --git a/tools/testing/selftests/bpf/progs/test_global_func10.c b/tools/testing/selftests/bpf/progs/test_global_func10.c index 97b7031d0e..d361eba167 100644 --- a/tools/testing/selftests/bpf/progs/test_global_func10.c +++ b/tools/testing/selftests/bpf/progs/test_global_func10.c @@ -4,12 +4,12 @@ #include struct Small { - int x; + long x; }; struct Big { - int x; - int y; + long x; + long y; }; __noinline int foo(const struct Big *big) @@ -21,7 +21,8 @@ __noinline int foo(const struct Big *big) } SEC("cgroup_skb/ingress") -int test_cls(struct __sk_buff *skb) +__failure __msg("invalid indirect access to stack") +int global_func10(struct __sk_buff *skb) { const struct Small small = {.x = skb->len }; diff --git a/tools/testing/selftests/bpf/test_cpp.cpp b/tools/testing/selftests/bpf/test_cpp.cpp index a8d2e9a87f..6edcb541cc 100644 --- a/tools/testing/selftests/bpf/test_cpp.cpp +++ b/tools/testing/selftests/bpf/test_cpp.cpp @@ -3,6 +3,10 @@ #include #include #include + +#ifndef _Bool +#define _Bool bool +#endif #include "test_core_extern.skel.h" /* do nothing, just make sure we can link successfully */ diff --git a/tools/testing/selftests/bpf/test_lru_map.c b/tools/testing/selftests/bpf/test_lru_map.c index 7e9049fa3e..1359de58da 100644 --- a/tools/testing/selftests/bpf/test_lru_map.c +++ b/tools/testing/selftests/bpf/test_lru_map.c @@ -137,7 +137,8 @@ static int sched_next_online(int pid, int *next_to_try) while (next < nr_cpus) { CPU_ZERO(&cpuset); - CPU_SET(next++, &cpuset); + CPU_SET(next, &cpuset); + next++; if (!sched_setaffinity(pid, sizeof(cpuset), &cpuset)) { ret = 0; break; diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c index 7465cbe19b..230ca335a9 100644 --- a/tools/testing/selftests/bpf/test_sockmap.c +++ b/tools/testing/selftests/bpf/test_sockmap.c @@ -65,7 +65,7 @@ int passed; int failed; int map_fd[9]; struct bpf_map *maps[9]; -int prog_fd[11]; +int prog_fd[9]; int txmsg_pass; int txmsg_redir; @@ -663,7 +663,8 @@ static int msg_loop(int fd, int iov_count, int iov_length, int cnt, } } - s->bytes_recvd += recv; + if (recv > 0) + s->bytes_recvd += recv; if (data) { int chunk_sz = opt->sendpage ? @@ -1708,8 +1709,6 @@ int prog_attach_type[] = { BPF_SK_MSG_VERDICT, BPF_SK_MSG_VERDICT, BPF_SK_MSG_VERDICT, - BPF_SK_MSG_VERDICT, - BPF_SK_MSG_VERDICT, }; int prog_type[] = { @@ -1722,8 +1721,6 @@ int prog_type[] = { BPF_PROG_TYPE_SK_MSG, BPF_PROG_TYPE_SK_MSG, BPF_PROG_TYPE_SK_MSG, - BPF_PROG_TYPE_SK_MSG, - BPF_PROG_TYPE_SK_MSG, }; static int populate_progs(char *bpf_file) diff --git a/tools/testing/selftests/bpf/test_tc_tunnel.sh b/tools/testing/selftests/bpf/test_tc_tunnel.sh index 088fcad138..38c6e9f16f 100755 --- a/tools/testing/selftests/bpf/test_tc_tunnel.sh +++ b/tools/testing/selftests/bpf/test_tc_tunnel.sh @@ -71,7 +71,6 @@ cleanup() { server_listen() { ip netns exec "${ns2}" nc "${netcat_opt}" -l "${port}" > "${outfile}" & server_pid=$! - sleep 0.2 } client_connect() { @@ -92,6 +91,16 @@ verify_data() { fi } +wait_for_port() { + for i in $(seq 20); do + if ip netns exec "${ns2}" ss ${2:--4}OHntl | grep -q "$1"; then + return 0 + fi + sleep 0.1 + done + return 1 +} + set -e # no arguments: automated test, run all @@ -189,6 +198,7 @@ setup # basic communication works echo "test basic connectivity" server_listen +wait_for_port ${port} ${netcat_opt} client_connect verify_data @@ -200,6 +210,7 @@ ip netns exec "${ns1}" tc filter add dev veth1 egress \ section "encap_${tuntype}_${mac}" echo "test bpf encap without decap (expect failure)" server_listen +wait_for_port ${port} ${netcat_opt} ! client_connect if [[ "$tuntype" =~ "udp" ]]; then diff --git a/tools/testing/selftests/bpf/verifier/calls.c b/tools/testing/selftests/bpf/verifier/calls.c index 2e701e7f69..5d1e01d54a 100644 --- a/tools/testing/selftests/bpf/verifier/calls.c +++ b/tools/testing/selftests/bpf/verifier/calls.c @@ -1967,19 +1967,22 @@ * that fp-8 stack slot was unused in the fall-through * branch and will accept the program incorrectly */ - BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 2, 2), + BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32), + BPF_JMP_IMM(BPF_JGT, BPF_REG_0, 2, 2), BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), BPF_JMP_IMM(BPF_JA, 0, 0, 0), BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), BPF_LD_MAP_FD(BPF_REG_1, 0), BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), + BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, - .fixup_map_hash_48b = { 6 }, - .errstr = "invalid indirect read from stack R2 off -8+0 size 8", - .result = REJECT, - .prog_type = BPF_PROG_TYPE_XDP, + .fixup_map_hash_48b = { 7 }, + .errstr_unpriv = "invalid indirect read from stack R2 off -8+0 size 8", + .result_unpriv = REJECT, + /* in privileged mode reads from uninitialized stack locations are permitted */ + .result = ACCEPT, }, { "calls: ctx read at start of subprog", diff --git a/tools/testing/selftests/bpf/verifier/helper_access_var_len.c b/tools/testing/selftests/bpf/verifier/helper_access_var_len.c index 0ab7f1dfc9..0e24aa11c4 100644 --- a/tools/testing/selftests/bpf/verifier/helper_access_var_len.c +++ b/tools/testing/selftests/bpf/verifier/helper_access_var_len.c @@ -29,19 +29,30 @@ { "helper access to variable memory: stack, bitwise AND, zero included", .insns = { - BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8), - BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), - BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64), - BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128), - BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128), - BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 64), - BPF_MOV64_IMM(BPF_REG_3, 0), - BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel), + /* set max stack size */ + BPF_ST_MEM(BPF_DW, BPF_REG_10, -128, 0), + /* set r3 to a random value */ + BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32), + BPF_MOV64_REG(BPF_REG_3, BPF_REG_0), + /* use bitwise AND to limit r3 range to [0, 64] */ + BPF_ALU64_IMM(BPF_AND, BPF_REG_3, 64), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -64), + BPF_MOV64_IMM(BPF_REG_4, 0), + /* Call bpf_ringbuf_output(), it is one of a few helper functions with + * ARG_CONST_SIZE_OR_ZERO parameter allowed in unpriv mode. + * For unpriv this should signal an error, because memory at &fp[-64] is + * not initialized. + */ + BPF_EMIT_CALL(BPF_FUNC_ringbuf_output), BPF_EXIT_INSN(), }, - .errstr = "invalid indirect read from stack R1 off -64+0 size 64", - .result = REJECT, - .prog_type = BPF_PROG_TYPE_TRACEPOINT, + .fixup_map_ringbuf = { 4 }, + .errstr_unpriv = "invalid indirect read from stack R2 off -64+0 size 64", + .result_unpriv = REJECT, + /* in privileged mode reads from uninitialized stack locations are permitted */ + .result = ACCEPT, }, { "helper access to variable memory: stack, bitwise AND + JMP, wrong max", @@ -183,20 +194,31 @@ { "helper access to variable memory: stack, JMP, no min check", .insns = { - BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8), - BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), - BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64), - BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128), - BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128), - BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 64, 3), - BPF_MOV64_IMM(BPF_REG_3, 0), - BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel), + /* set max stack size */ + BPF_ST_MEM(BPF_DW, BPF_REG_10, -128, 0), + /* set r3 to a random value */ + BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32), + BPF_MOV64_REG(BPF_REG_3, BPF_REG_0), + /* use JMP to limit r3 range to [0, 64] */ + BPF_JMP_IMM(BPF_JGT, BPF_REG_3, 64, 6), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -64), + BPF_MOV64_IMM(BPF_REG_4, 0), + /* Call bpf_ringbuf_output(), it is one of a few helper functions with + * ARG_CONST_SIZE_OR_ZERO parameter allowed in unpriv mode. + * For unpriv this should signal an error, because memory at &fp[-64] is + * not initialized. + */ + BPF_EMIT_CALL(BPF_FUNC_ringbuf_output), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, - .errstr = "invalid indirect read from stack R1 off -64+0 size 64", - .result = REJECT, - .prog_type = BPF_PROG_TYPE_TRACEPOINT, + .fixup_map_ringbuf = { 4 }, + .errstr_unpriv = "invalid indirect read from stack R2 off -64+0 size 64", + .result_unpriv = REJECT, + /* in privileged mode reads from uninitialized stack locations are permitted */ + .result = ACCEPT, }, { "helper access to variable memory: stack, JMP (signed), no min check", @@ -564,29 +586,41 @@ { "helper access to variable memory: 8 bytes leak", .insns = { - BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8), - BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), - BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64), + /* set max stack size */ + BPF_ST_MEM(BPF_DW, BPF_REG_10, -128, 0), + /* set r3 to a random value */ + BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32), + BPF_MOV64_REG(BPF_REG_3, BPF_REG_0), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -64), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64), BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56), BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48), BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40), + /* Note: fp[-32] left uninitialized */ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24), BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16), BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8), - BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128), - BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128), - BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 63), - BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), - BPF_MOV64_IMM(BPF_REG_3, 0), - BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel), - BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + /* Limit r3 range to [1, 64] */ + BPF_ALU64_IMM(BPF_AND, BPF_REG_3, 63), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 1), + BPF_MOV64_IMM(BPF_REG_4, 0), + /* Call bpf_ringbuf_output(), it is one of a few helper functions with + * ARG_CONST_SIZE_OR_ZERO parameter allowed in unpriv mode. + * For unpriv this should signal an error, because memory region [1, 64] + * at &fp[-64] is not fully initialized. + */ + BPF_EMIT_CALL(BPF_FUNC_ringbuf_output), + BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, - .errstr = "invalid indirect read from stack R1 off -64+32 size 64", - .result = REJECT, - .prog_type = BPF_PROG_TYPE_TRACEPOINT, + .fixup_map_ringbuf = { 3 }, + .errstr_unpriv = "invalid indirect read from stack R2 off -64+32 size 64", + .result_unpriv = REJECT, + /* in privileged mode reads from uninitialized stack locations are permitted */ + .result = ACCEPT, }, { "helper access to variable memory: 8 bytes no leak (init memory)", diff --git a/tools/testing/selftests/bpf/verifier/int_ptr.c b/tools/testing/selftests/bpf/verifier/int_ptr.c index 070893fb29..02d9e00426 100644 --- a/tools/testing/selftests/bpf/verifier/int_ptr.c +++ b/tools/testing/selftests/bpf/verifier/int_ptr.c @@ -54,12 +54,13 @@ /* bpf_strtoul() */ BPF_EMIT_CALL(BPF_FUNC_strtoul), - BPF_MOV64_IMM(BPF_REG_0, 1), + BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, - .result = REJECT, - .prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL, - .errstr = "invalid indirect read from stack R4 off -16+4 size 8", + .result_unpriv = REJECT, + .errstr_unpriv = "invalid indirect read from stack R4 off -16+4 size 8", + /* in privileged mode reads from uninitialized stack locations are permitted */ + .result = ACCEPT, }, { "ARG_PTR_TO_LONG misaligned", diff --git a/tools/testing/selftests/bpf/verifier/search_pruning.c b/tools/testing/selftests/bpf/verifier/search_pruning.c index 7e36078f8f..949cbe4602 100644 --- a/tools/testing/selftests/bpf/verifier/search_pruning.c +++ b/tools/testing/selftests/bpf/verifier/search_pruning.c @@ -128,9 +128,10 @@ BPF_EXIT_INSN(), }, .fixup_map_hash_8b = { 3 }, - .errstr = "invalid read from stack off -16+0 size 8", - .result = REJECT, - .prog_type = BPF_PROG_TYPE_TRACEPOINT, + .errstr_unpriv = "invalid read from stack off -16+0 size 8", + .result_unpriv = REJECT, + /* in privileged mode reads from uninitialized stack locations are permitted */ + .result = ACCEPT, }, { "allocated_stack", @@ -187,6 +188,8 @@ BPF_EXIT_INSN(), }, .flags = BPF_F_TEST_STATE_FREQ, - .errstr = "invalid read from stack off -8+1 size 8", - .result = REJECT, + .errstr_unpriv = "invalid read from stack off -8+1 size 8", + .result_unpriv = REJECT, + /* in privileged mode reads from uninitialized stack locations are permitted */ + .result = ACCEPT, }, diff --git a/tools/testing/selftests/bpf/verifier/sock.c b/tools/testing/selftests/bpf/verifier/sock.c index 8c224eac93..59d976d228 100644 --- a/tools/testing/selftests/bpf/verifier/sock.c +++ b/tools/testing/selftests/bpf/verifier/sock.c @@ -530,33 +530,6 @@ .prog_type = BPF_PROG_TYPE_SCHED_CLS, .result = ACCEPT, }, -{ - "sk_storage_get(map, skb->sk, &stack_value, 1): partially init stack_value", - .insns = { - BPF_MOV64_IMM(BPF_REG_2, 0), - BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_2, -8), - BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)), - BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2), - BPF_MOV64_IMM(BPF_REG_0, 0), - BPF_EXIT_INSN(), - BPF_EMIT_CALL(BPF_FUNC_sk_fullsock), - BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2), - BPF_MOV64_IMM(BPF_REG_0, 0), - BPF_EXIT_INSN(), - BPF_MOV64_IMM(BPF_REG_4, 1), - BPF_MOV64_REG(BPF_REG_3, BPF_REG_10), - BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -8), - BPF_MOV64_REG(BPF_REG_2, BPF_REG_0), - BPF_LD_MAP_FD(BPF_REG_1, 0), - BPF_EMIT_CALL(BPF_FUNC_sk_storage_get), - BPF_MOV64_IMM(BPF_REG_0, 0), - BPF_EXIT_INSN(), - }, - .fixup_sk_storage_map = { 14 }, - .prog_type = BPF_PROG_TYPE_SCHED_CLS, - .result = REJECT, - .errstr = "invalid indirect read from stack", -}, { "bpf_map_lookup_elem(smap, &key)", .insns = { diff --git a/tools/testing/selftests/bpf/verifier/spill_fill.c b/tools/testing/selftests/bpf/verifier/spill_fill.c index 0b943897aa..1e76841b7b 100644 --- a/tools/testing/selftests/bpf/verifier/spill_fill.c +++ b/tools/testing/selftests/bpf/verifier/spill_fill.c @@ -104,3 +104,214 @@ .result = ACCEPT, .retval = POINTER_VALUE, }, +{ + "Spill and refill a u32 const scalar. Offset to skb->data", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct __sk_buff, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct __sk_buff, data_end)), + /* r4 = 20 */ + BPF_MOV32_IMM(BPF_REG_4, 20), + /* *(u32 *)(r10 -8) = r4 */ + BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -8), + /* r4 = *(u32 *)(r10 -8) */ + BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_10, -8), + /* r0 = r2 */ + BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), + /* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=20 */ + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4), + /* if (r0 > r3) R0=pkt,off=20 R2=pkt R3=pkt_end R4=20 */ + BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), + /* r0 = *(u32 *)r2 R0=pkt,off=20,r=20 R2=pkt,r=20 R3=pkt_end R4=20 */ + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_SCHED_CLS, +}, +{ + "Spill a u32 const, refill from another half of the uninit u32 from the stack", + .insns = { + /* r4 = 20 */ + BPF_MOV32_IMM(BPF_REG_4, 20), + /* *(u32 *)(r10 -8) = r4 */ + BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -8), + /* r4 = *(u32 *)(r10 -4) fp-8=????rrrr*/ + BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_10, -4), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result_unpriv = REJECT, + .errstr_unpriv = "invalid read from stack off -4+0 size 4", + /* in privileged mode reads from uninitialized stack locations are permitted */ + .result = ACCEPT, +}, +{ + "Spill a u32 const scalar. Refill as u16. Offset to skb->data", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct __sk_buff, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct __sk_buff, data_end)), + /* r4 = 20 */ + BPF_MOV32_IMM(BPF_REG_4, 20), + /* *(u32 *)(r10 -8) = r4 */ + BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -8), + /* r4 = *(u16 *)(r10 -8) */ + BPF_LDX_MEM(BPF_H, BPF_REG_4, BPF_REG_10, -8), + /* r0 = r2 */ + BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), + /* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=umax=65535 */ + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4), + /* if (r0 > r3) R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=umax=65535 */ + BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), + /* r0 = *(u32 *)r2 R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=20 */ + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = REJECT, + .errstr = "invalid access to packet", + .prog_type = BPF_PROG_TYPE_SCHED_CLS, +}, +{ + "Spill u32 const scalars. Refill as u64. Offset to skb->data", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct __sk_buff, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct __sk_buff, data_end)), + /* r6 = 0 */ + BPF_MOV32_IMM(BPF_REG_6, 0), + /* r7 = 20 */ + BPF_MOV32_IMM(BPF_REG_7, 20), + /* *(u32 *)(r10 -4) = r6 */ + BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_6, -4), + /* *(u32 *)(r10 -8) = r7 */ + BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_7, -8), + /* r4 = *(u64 *)(r10 -8) */ + BPF_LDX_MEM(BPF_H, BPF_REG_4, BPF_REG_10, -8), + /* r0 = r2 */ + BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), + /* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=umax=65535 */ + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4), + /* if (r0 > r3) R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=umax=65535 */ + BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), + /* r0 = *(u32 *)r2 R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=20 */ + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = REJECT, + .errstr = "invalid access to packet", + .prog_type = BPF_PROG_TYPE_SCHED_CLS, +}, +{ + "Spill a u32 const scalar. Refill as u16 from fp-6. Offset to skb->data", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct __sk_buff, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct __sk_buff, data_end)), + /* r4 = 20 */ + BPF_MOV32_IMM(BPF_REG_4, 20), + /* *(u32 *)(r10 -8) = r4 */ + BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -8), + /* r4 = *(u16 *)(r10 -6) */ + BPF_LDX_MEM(BPF_H, BPF_REG_4, BPF_REG_10, -6), + /* r0 = r2 */ + BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), + /* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=umax=65535 */ + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4), + /* if (r0 > r3) R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=umax=65535 */ + BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), + /* r0 = *(u32 *)r2 R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=20 */ + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = REJECT, + .errstr = "invalid access to packet", + .prog_type = BPF_PROG_TYPE_SCHED_CLS, +}, +{ + "Spill and refill a u32 const scalar at non 8byte aligned stack addr. Offset to skb->data", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct __sk_buff, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct __sk_buff, data_end)), + /* r4 = 20 */ + BPF_MOV32_IMM(BPF_REG_4, 20), + /* *(u32 *)(r10 -8) = r4 */ + BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -8), + /* *(u32 *)(r10 -4) = r4 */ + BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -4), + /* r4 = *(u32 *)(r10 -4), */ + BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_10, -4), + /* r0 = r2 */ + BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), + /* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=umax=U32_MAX */ + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4), + /* if (r0 > r3) R0=pkt,umax=U32_MAX R2=pkt R3=pkt_end R4= */ + BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), + /* r0 = *(u32 *)r2 R0=pkt,umax=U32_MAX R2=pkt R3=pkt_end R4= */ + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = REJECT, + .errstr = "invalid access to packet", + .prog_type = BPF_PROG_TYPE_SCHED_CLS, +}, +{ + "Spill and refill a umax=40 bounded scalar. Offset to skb->data", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct __sk_buff, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct __sk_buff, data_end)), + BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_1, + offsetof(struct __sk_buff, tstamp)), + BPF_JMP_IMM(BPF_JLE, BPF_REG_4, 40, 2), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + /* *(u32 *)(r10 -8) = r4 R4=umax=40 */ + BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -8), + /* r4 = (*u32 *)(r10 - 8) */ + BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_10, -8), + /* r2 += r4 R2=pkt R4=umax=40 */ + BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_4), + /* r0 = r2 R2=pkt,umax=40 R4=umax=40 */ + BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), + /* r2 += 20 R0=pkt,umax=40 R2=pkt,umax=40 */ + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 20), + /* if (r2 > r3) R0=pkt,umax=40 R2=pkt,off=20,umax=40 */ + BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_3, 1), + /* r0 = *(u32 *)r0 R0=pkt,r=20,umax=40 R2=pkt,off=20,r=20,umax=40 */ + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_SCHED_CLS, +}, +{ + "Spill a u32 scalar at fp-4 and then at fp-8", + .insns = { + /* r4 = 4321 */ + BPF_MOV32_IMM(BPF_REG_4, 4321), + /* *(u32 *)(r10 -4) = r4 */ + BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -4), + /* *(u32 *)(r10 -8) = r4 */ + BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -8), + /* r4 = *(u64 *)(r10 -8) */ + BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_SCHED_CLS, +}, diff --git a/tools/testing/selftests/bpf/verifier/var_off.c b/tools/testing/selftests/bpf/verifier/var_off.c index eab1f7f56e..dc92a29f0d 100644 --- a/tools/testing/selftests/bpf/verifier/var_off.c +++ b/tools/testing/selftests/bpf/verifier/var_off.c @@ -212,31 +212,6 @@ .result = REJECT, .prog_type = BPF_PROG_TYPE_LWT_IN, }, -{ - "indirect variable-offset stack access, max_off+size > max_initialized", - .insns = { - /* Fill only the second from top 8 bytes of the stack. */ - BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0), - /* Get an unknown value. */ - BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0), - /* Make it small and 4-byte aligned. */ - BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4), - BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 16), - /* Add it to fp. We now have either fp-12 or fp-16, but we don't know - * which. fp-12 size 8 is partially uninitialized stack. - */ - BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10), - /* Dereference it indirectly. */ - BPF_LD_MAP_FD(BPF_REG_1, 0), - BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), - BPF_MOV64_IMM(BPF_REG_0, 0), - BPF_EXIT_INSN(), - }, - .fixup_map_hash_8b = { 5 }, - .errstr = "invalid indirect read from stack R2 var_off", - .result = REJECT, - .prog_type = BPF_PROG_TYPE_LWT_IN, -}, { "indirect variable-offset stack access, min_off < min_initialized", .insns = { @@ -289,33 +264,6 @@ .result = ACCEPT, .prog_type = BPF_PROG_TYPE_CGROUP_SKB, }, -{ - "indirect variable-offset stack access, uninitialized", - .insns = { - BPF_MOV64_IMM(BPF_REG_2, 6), - BPF_MOV64_IMM(BPF_REG_3, 28), - /* Fill the top 16 bytes of the stack. */ - BPF_ST_MEM(BPF_W, BPF_REG_10, -16, 0), - BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), - /* Get an unknown value. */ - BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, 0), - /* Make it small and 4-byte aligned. */ - BPF_ALU64_IMM(BPF_AND, BPF_REG_4, 4), - BPF_ALU64_IMM(BPF_SUB, BPF_REG_4, 16), - /* Add it to fp. We now have either fp-12 or fp-16, we don't know - * which, but either way it points to initialized stack. - */ - BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_10), - BPF_MOV64_IMM(BPF_REG_5, 8), - /* Dereference it indirectly. */ - BPF_EMIT_CALL(BPF_FUNC_getsockopt), - BPF_MOV64_IMM(BPF_REG_0, 0), - BPF_EXIT_INSN(), - }, - .errstr = "invalid indirect read from stack R4 var_off", - .result = REJECT, - .prog_type = BPF_PROG_TYPE_SOCK_OPS, -}, { "indirect variable-offset stack access, ok", .insns = { diff --git a/tools/testing/selftests/breakpoints/step_after_suspend_test.c b/tools/testing/selftests/breakpoints/step_after_suspend_test.c index 2cf6f10ab7..fc02918962 100644 --- a/tools/testing/selftests/breakpoints/step_after_suspend_test.c +++ b/tools/testing/selftests/breakpoints/step_after_suspend_test.c @@ -153,7 +153,10 @@ void suspend(void) if (err < 0) ksft_exit_fail_msg("timerfd_settime() failed\n"); - if (write(power_state_fd, "mem", strlen("mem")) != strlen("mem")) + system("(echo mem > /sys/power/state) 2> /dev/null"); + + timerfd_gettime(timerfd, &spec); + if (spec.it_value.tv_sec != 0 || spec.it_value.tv_nsec != 0) ksft_exit_fail_msg("Failed to enter Suspend state\n"); close(timerfd); diff --git a/tools/testing/selftests/core/close_range_test.c b/tools/testing/selftests/core/close_range_test.c index aa7d13d919..03db3d9cd9 100644 --- a/tools/testing/selftests/core/close_range_test.c +++ b/tools/testing/selftests/core/close_range_test.c @@ -567,4 +567,39 @@ TEST(close_range_cloexec_unshare_syzbot) EXPECT_EQ(close(fd3), 0); } +TEST(close_range_bitmap_corruption) +{ + pid_t pid; + int status; + struct __clone_args args = { + .flags = CLONE_FILES, + .exit_signal = SIGCHLD, + }; + + /* get the first 128 descriptors open */ + for (int i = 2; i < 128; i++) + EXPECT_GE(dup2(0, i), 0); + + /* get descriptor table shared */ + pid = sys_clone3(&args, sizeof(args)); + ASSERT_GE(pid, 0); + + if (pid == 0) { + /* unshare and truncate descriptor table down to 64 */ + if (sys_close_range(64, ~0U, CLOSE_RANGE_UNSHARE)) + exit(EXIT_FAILURE); + + ASSERT_EQ(fcntl(64, F_GETFD), -1); + /* ... and verify that the range 64..127 is not + stuck "fully used" according to secondary bitmap */ + EXPECT_EQ(dup(0), 64) + exit(EXIT_FAILURE); + exit(EXIT_SUCCESS); + } + + EXPECT_EQ(waitpid(pid, &status, 0), pid); + EXPECT_EQ(true, WIFEXITED(status)); + EXPECT_EQ(0, WEXITSTATUS(status)); +} + TEST_HARNESS_MAIN diff --git a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c index 29af27acd4..a0d3d2ed7a 100644 --- a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c +++ b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c @@ -29,9 +29,11 @@ static int check_vgem(int fd) version.name = name; ret = ioctl(fd, DRM_IOCTL_VERSION, &version); - if (ret) + if (ret || version.name_len != 4) return 0; + name[4] = '\0'; + return !strcmp(name, "vgem"); } diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh index 616d358141..21d0f419cc 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh @@ -11,7 +11,7 @@ ALL_TESTS="single_mask_test identical_filters_test two_masks_test \ multiple_masks_test ctcam_edge_cases_test delta_simple_test \ delta_two_masks_one_key_test delta_simple_rehash_test \ bloom_simple_test bloom_complex_test bloom_delta_test \ - max_erp_entries_test max_group_size_test" + max_erp_entries_test max_group_size_test collision_test" NUM_NETIFS=2 source $lib_dir/lib.sh source $lib_dir/tc_common.sh @@ -457,7 +457,7 @@ delta_two_masks_one_key_test() { # If 2 keys are the same and only differ in mask in a way that # they belong under the same ERP (second is delta of the first), - # there should be no C-TCAM spill. + # there should be C-TCAM spill. RET=0 @@ -474,8 +474,8 @@ delta_two_masks_one_key_test() tp_record "mlxsw:*" "tc filter add dev $h2 ingress protocol ip \ pref 2 handle 102 flower $tcflags dst_ip 192.0.2.2 \ action drop" - tp_check_hits "mlxsw:mlxsw_sp_acl_atcam_entry_add_ctcam_spill" 0 - check_err $? "incorrect C-TCAM spill while inserting the second rule" + tp_check_hits "mlxsw:mlxsw_sp_acl_atcam_entry_add_ctcam_spill" 1 + check_err $? "C-TCAM spill did not happen while inserting the second rule" $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ -t ip -q @@ -1087,6 +1087,53 @@ max_group_size_test() log_test "max ACL group size test ($tcflags). max size $max_size" } +collision_test() +{ + # Filters cannot share an eRP if in the common unmasked part (i.e., + # without the delta bits) they have the same values. If the driver does + # not prevent such configuration (by spilling into the C-TCAM), then + # multiple entries will be present in the device with the same key, + # leading to collisions and a reduced scale. + # + # Create such a scenario and make sure all the filters are successfully + # added. + + RET=0 + + local ret + + if [[ "$tcflags" != "skip_sw" ]]; then + return 0; + fi + + # Add a single dst_ip/24 filter and multiple dst_ip/32 filters that all + # have the same values in the common unmasked part (dst_ip/24). + + tc filter add dev $h2 ingress pref 1 proto ipv4 handle 101 \ + flower $tcflags dst_ip 198.51.100.0/24 \ + action drop + + for i in {0..255}; do + tc filter add dev $h2 ingress pref 2 proto ipv4 \ + handle $((102 + i)) \ + flower $tcflags dst_ip 198.51.100.${i}/32 \ + action drop + ret=$? + [[ $ret -ne 0 ]] && break + done + + check_err $ret "failed to add all the filters" + + for i in {255..0}; do + tc filter del dev $h2 ingress pref 2 proto ipv4 \ + handle $((102 + i)) flower + done + + tc filter del dev $h2 ingress pref 1 proto ipv4 handle 101 flower + + log_test "collision test ($tcflags)" +} + setup_prepare() { h1=${NETIFS[p1]} diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc index 1f6981ef7a..ba19b81cef 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc @@ -30,7 +30,8 @@ find_dot_func() { fi grep " [tT] .*\.isra\..*" /proc/kallsyms | cut -f 3 -d " " | while read f; do - if grep -s $f available_filter_functions; then + cnt=`grep -s $f available_filter_functions | wc -l`; + if [ $cnt -eq 1 ]; then echo $f break fi diff --git a/tools/testing/selftests/landlock/base_test.c b/tools/testing/selftests/landlock/base_test.c index 35f64832b8..1a8fa6b0c8 100644 --- a/tools/testing/selftests/landlock/base_test.c +++ b/tools/testing/selftests/landlock/base_test.c @@ -9,6 +9,7 @@ #define _GNU_SOURCE #include #include +#include #include #include #include @@ -356,4 +357,77 @@ TEST(ruleset_fd_transfer) ASSERT_EQ(EXIT_SUCCESS, WEXITSTATUS(status)); } +TEST(cred_transfer) +{ + struct landlock_ruleset_attr ruleset_attr = { + .handled_access_fs = LANDLOCK_ACCESS_FS_READ_DIR, + }; + int ruleset_fd, dir_fd; + pid_t child; + int status; + + drop_caps(_metadata); + + dir_fd = open("/", O_RDONLY | O_DIRECTORY | O_CLOEXEC); + EXPECT_LE(0, dir_fd); + EXPECT_EQ(0, close(dir_fd)); + + /* Denies opening directories. */ + ruleset_fd = + landlock_create_ruleset(&ruleset_attr, sizeof(ruleset_attr), 0); + ASSERT_LE(0, ruleset_fd); + EXPECT_EQ(0, prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0)); + ASSERT_EQ(0, landlock_restrict_self(ruleset_fd, 0)); + EXPECT_EQ(0, close(ruleset_fd)); + + /* Checks ruleset enforcement. */ + EXPECT_EQ(-1, open("/", O_RDONLY | O_DIRECTORY | O_CLOEXEC)); + EXPECT_EQ(EACCES, errno); + + /* Needed for KEYCTL_SESSION_TO_PARENT permission checks */ + EXPECT_NE(-1, syscall(__NR_keyctl, KEYCTL_JOIN_SESSION_KEYRING, NULL, 0, + 0, 0)) + { + TH_LOG("Failed to join session keyring: %s", strerror(errno)); + } + + child = fork(); + ASSERT_LE(0, child); + if (child == 0) { + /* Checks ruleset enforcement. */ + EXPECT_EQ(-1, open("/", O_RDONLY | O_DIRECTORY | O_CLOEXEC)); + EXPECT_EQ(EACCES, errno); + + /* + * KEYCTL_SESSION_TO_PARENT is a no-op unless we have a + * different session keyring in the child, so make that happen. + */ + EXPECT_NE(-1, syscall(__NR_keyctl, KEYCTL_JOIN_SESSION_KEYRING, + NULL, 0, 0, 0)); + + /* + * KEYCTL_SESSION_TO_PARENT installs credentials on the parent + * that never go through the cred_prepare hook, this path uses + * cred_transfer instead. + */ + EXPECT_EQ(0, syscall(__NR_keyctl, KEYCTL_SESSION_TO_PARENT, 0, + 0, 0, 0)); + + /* Re-checks ruleset enforcement. */ + EXPECT_EQ(-1, open("/", O_RDONLY | O_DIRECTORY | O_CLOEXEC)); + EXPECT_EQ(EACCES, errno); + + _exit(_metadata->passed ? EXIT_SUCCESS : EXIT_FAILURE); + return; + } + + EXPECT_EQ(child, waitpid(child, &status, 0)); + EXPECT_EQ(1, WIFEXITED(status)); + EXPECT_EQ(EXIT_SUCCESS, WEXITSTATUS(status)); + + /* Re-checks ruleset enforcement. */ + EXPECT_EQ(-1, open("/", O_RDONLY | O_DIRECTORY | O_CLOEXEC)); + EXPECT_EQ(EACCES, errno); +} + TEST_HARNESS_MAIN diff --git a/tools/testing/selftests/landlock/config b/tools/testing/selftests/landlock/config index 0f0a65287b..177f4878bd 100644 --- a/tools/testing/selftests/landlock/config +++ b/tools/testing/selftests/landlock/config @@ -1,7 +1,8 @@ +CONFIG_KEYS=y CONFIG_OVERLAY_FS=y +CONFIG_SECURITY=y CONFIG_SECURITY_LANDLOCK=y CONFIG_SECURITY_PATH=y -CONFIG_SECURITY=y CONFIG_SHMEM=y -CONFIG_TMPFS_XATTR=y CONFIG_TMPFS=y +CONFIG_TMPFS_XATTR=y diff --git a/tools/testing/selftests/net/fcnal-test.sh b/tools/testing/selftests/net/fcnal-test.sh index 6ecdbbe1b5..bed85001da 100755 --- a/tools/testing/selftests/net/fcnal-test.sh +++ b/tools/testing/selftests/net/fcnal-test.sh @@ -750,7 +750,7 @@ ipv4_ping_vrf() log_start show_hint "Fails since address on vrf device is out of device scope" run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a} - log_test_addr ${a} $? 1 "ping local, device bind" + log_test_addr ${a} $? 2 "ping local, device bind" done # diff --git a/tools/testing/selftests/net/forwarding/devlink_lib.sh b/tools/testing/selftests/net/forwarding/devlink_lib.sh index 2c14a86ada..6bb0f929da 100644 --- a/tools/testing/selftests/net/forwarding/devlink_lib.sh +++ b/tools/testing/selftests/net/forwarding/devlink_lib.sh @@ -122,6 +122,8 @@ devlink_reload() still_pending=$(devlink resource show "$DEVLINK_DEV" | \ grep -c "size_new") check_err $still_pending "Failed reload - There are still unset sizes" + + udevadm settle } declare -A DEVLINK_ORIG diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index a68048f1fc..145749460b 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -925,6 +925,8 @@ chk_prio_nr() { local mp_prio_nr_tx=$1 local mp_prio_nr_rx=$2 + local mpj_syn=$3 + local mpj_syn_ack=$4 local count local dump_stats @@ -952,6 +954,30 @@ chk_prio_nr() echo "[ ok ]" fi + printf "%-39s %s" " " "bkp syn" + count=$(get_counter ${ns1} "MPTcpExtMPJoinSynBackupRx") + if [ -z "$count" ]; then + echo -n "[skip]" + elif [ "$count" != "$mpj_syn" ]; then + echo "[fail] got $count JOIN[s] syn with Backup expected $mpj_syn" + ret=1 + dump_stats=1 + else + echo -n "[ ok ]" + fi + + echo -n " - synack " + count=$(get_counter ${ns2} "MPTcpExtMPJoinSynAckBackupRx") + if [ -z "$count" ]; then + echo "[skip]" + elif [ "$count" != "$mpj_syn_ack" ]; then + echo "[fail] got $count JOIN[s] synack with Backup expected $mpj_syn_ack" + ret=1 + dump_stats=1 + else + echo "[ ok ]" + fi + if [ "${dump_stats}" = 1 ]; then echo Server ns stats ip netns exec $ns1 nstat -as | grep MPTcp @@ -1306,9 +1332,10 @@ remove_tests() reset ip netns exec $ns1 ./pm_nl_ctl limits 3 3 ip netns exec $ns1 ./pm_nl_ctl add 10.0.12.1 flags signal + # broadcast IP: no packet for this address will be received on ns1 + ip netns exec $ns1 ./pm_nl_ctl add 224.0.0.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal - ip netns exec $ns1 ./pm_nl_ctl add 10.0.14.1 flags signal - ip netns exec $ns2 ./pm_nl_ctl limits 3 3 + ip netns exec $ns2 ./pm_nl_ctl limits 2 2 run_tests $ns1 $ns2 10.0.1.1 0 -3 0 slow chk_join_nr "remove invalid addresses" 1 1 1 chk_add_nr 3 3 @@ -1556,17 +1583,26 @@ backup_tests() ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow,backup run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup chk_join_nr "single subflow, backup" 1 1 1 - chk_prio_nr 0 1 + chk_prio_nr 0 1 1 0 # single address, backup + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal,backup + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup + chk_join_nr "single address, backup" 1 1 1 + chk_add_nr 1 1 + chk_prio_nr 1 0 0 1 + reset ip netns exec $ns1 ./pm_nl_ctl limits 0 1 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 1 1 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup - chk_join_nr "single address, backup" 1 1 1 + chk_join_nr "single address, switch to backup" 1 1 1 chk_add_nr 1 1 - chk_prio_nr 1 0 + chk_prio_nr 1 0 0 0 } add_addr_ports_tests() diff --git a/tools/testing/selftests/net/msg_zerocopy.c b/tools/testing/selftests/net/msg_zerocopy.c index bdc03a2097..7ea5fb28c9 100644 --- a/tools/testing/selftests/net/msg_zerocopy.c +++ b/tools/testing/selftests/net/msg_zerocopy.c @@ -85,6 +85,7 @@ static bool cfg_rx; static int cfg_runtime_ms = 4200; static int cfg_verbose; static int cfg_waittime_ms = 500; +static int cfg_notification_limit = 32; static bool cfg_zerocopy; static socklen_t cfg_alen; @@ -95,6 +96,7 @@ static char payload[IP_MAXPACKET]; static long packets, bytes, completions, expected_completions; static int zerocopied = -1; static uint32_t next_completion; +static uint32_t sends_since_notify; static unsigned long gettimeofday_ms(void) { @@ -208,6 +210,7 @@ static bool do_sendmsg(int fd, struct msghdr *msg, bool do_zerocopy, int domain) error(1, errno, "send"); if (cfg_verbose && ret != len) fprintf(stderr, "send: ret=%u != %u\n", ret, len); + sends_since_notify++; if (len) { packets++; @@ -435,7 +438,7 @@ static bool do_recv_completion(int fd, int domain) /* Detect notification gaps. These should not happen often, if at all. * Gaps can occur due to drops, reordering and retransmissions. */ - if (lo != next_completion) + if (cfg_verbose && lo != next_completion) fprintf(stderr, "gap: %u..%u does not append to %u\n", lo, hi, next_completion); next_completion = hi + 1; @@ -460,6 +463,7 @@ static bool do_recv_completion(int fd, int domain) static void do_recv_completions(int fd, int domain) { while (do_recv_completion(fd, domain)) {} + sends_since_notify = 0; } /* Wait for all remaining completions on the errqueue */ @@ -549,6 +553,9 @@ static void do_tx(int domain, int type, int protocol) else do_sendmsg(fd, &msg, cfg_zerocopy, domain); + if (cfg_zerocopy && sends_since_notify >= cfg_notification_limit) + do_recv_completions(fd, domain); + while (!do_poll(fd, POLLOUT)) { if (cfg_zerocopy) do_recv_completions(fd, domain); @@ -708,7 +715,7 @@ static void parse_opts(int argc, char **argv) cfg_payload_len = max_payload_len; - while ((c = getopt(argc, argv, "46c:C:D:i:mp:rs:S:t:vz")) != -1) { + while ((c = getopt(argc, argv, "46c:C:D:i:l:mp:rs:S:t:vz")) != -1) { switch (c) { case '4': if (cfg_family != PF_UNSPEC) @@ -736,6 +743,9 @@ static void parse_opts(int argc, char **argv) if (cfg_ifindex == 0) error(1, errno, "invalid iface: %s", optarg); break; + case 'l': + cfg_notification_limit = strtoul(optarg, NULL, 0); + break; case 'm': cfg_cork_mixed = true; break; diff --git a/tools/testing/selftests/net/net_helper.sh b/tools/testing/selftests/net/net_helper.sh new file mode 100644 index 0000000000..6596fe03c7 --- /dev/null +++ b/tools/testing/selftests/net/net_helper.sh @@ -0,0 +1,25 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Helper functions + +wait_local_port_listen() +{ + local listener_ns="${1}" + local port="${2}" + local protocol="${3}" + local pattern + local i + + pattern=":$(printf "%04X" "${port}") " + + # for tcp protocol additionally check the socket state + [ ${protocol} = "tcp" ] && pattern="${pattern}0A" + for i in $(seq 10); do + if ip netns exec "${listener_ns}" awk '{print $2" "$4}' \ + /proc/net/"${protocol}"* | grep -q "${pattern}"; then + break + fi + sleep 0.1 + done +} diff --git a/tools/testing/selftests/net/setup_loopback.sh b/tools/testing/selftests/net/setup_loopback.sh old mode 100755 new mode 100644 diff --git a/tools/testing/selftests/net/udpgro.sh b/tools/testing/selftests/net/udpgro.sh index ebbd0b2824..41d85eb745 100755 --- a/tools/testing/selftests/net/udpgro.sh +++ b/tools/testing/selftests/net/udpgro.sh @@ -3,6 +3,8 @@ # # Run a series of udpgro functional tests. +source net_helper.sh + readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)" # set global exit status, but never reset nonzero one. @@ -49,8 +51,7 @@ run_one() { echo "ok" || \ echo "failed" & - # Hack: let bg programs complete the startup - sleep 0.1 + wait_local_port_listen ${PEER_NS} 8000 udp ./udpgso_bench_tx ${tx_args} ret=$? wait $(jobs -p) @@ -95,7 +96,7 @@ run_one_nat() { echo "ok" || \ echo "failed"& - sleep 0.1 + wait_local_port_listen "${PEER_NS}" 8000 udp ./udpgso_bench_tx ${tx_args} ret=$? kill -INT $pid @@ -116,11 +117,9 @@ run_one_2sock() { echo "ok" || \ echo "failed" & - # Hack: let bg programs complete the startup - sleep 0.1 + wait_local_port_listen "${PEER_NS}" 12345 udp ./udpgso_bench_tx ${tx_args} -p 12345 - sleep 0.1 - # first UDP GSO socket should be closed at this point + wait_local_port_listen "${PEER_NS}" 8000 udp ./udpgso_bench_tx ${tx_args} ret=$? wait $(jobs -p) diff --git a/tools/testing/selftests/net/udpgro_bench.sh b/tools/testing/selftests/net/udpgro_bench.sh index fad2d1a71c..12e7b48355 100755 --- a/tools/testing/selftests/net/udpgro_bench.sh +++ b/tools/testing/selftests/net/udpgro_bench.sh @@ -3,6 +3,8 @@ # # Run a series of udpgro benchmarks +source net_helper.sh + readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)" cleanup() { @@ -38,8 +40,7 @@ run_one() { ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} -r & ip netns exec "${PEER_NS}" ./udpgso_bench_rx -t ${rx_args} -r & - # Hack: let bg programs complete the startup - sleep 0.1 + wait_local_port_listen "${PEER_NS}" 8000 udp ./udpgso_bench_tx ${tx_args} } diff --git a/tools/testing/selftests/net/udpgso.c b/tools/testing/selftests/net/udpgso.c index 7badaf215d..b02080d09f 100644 --- a/tools/testing/selftests/net/udpgso.c +++ b/tools/testing/selftests/net/udpgso.c @@ -34,7 +34,7 @@ #endif #ifndef UDP_MAX_SEGMENTS -#define UDP_MAX_SEGMENTS (1 << 6UL) +#define UDP_MAX_SEGMENTS (1 << 7UL) #endif #define CONST_MTU_TEST 1500 diff --git a/tools/testing/selftests/openat2/openat2_test.c b/tools/testing/selftests/openat2/openat2_test.c index 7fb902099d..f9d2b0ec77 100644 --- a/tools/testing/selftests/openat2/openat2_test.c +++ b/tools/testing/selftests/openat2/openat2_test.c @@ -5,6 +5,7 @@ */ #define _GNU_SOURCE +#define __SANE_USERSPACE_TYPES__ // Use ll64 #include #include #include diff --git a/tools/testing/selftests/rcutorture/bin/torture.sh b/tools/testing/selftests/rcutorture/bin/torture.sh index 66f0f724a1..d9513e50f2 100755 --- a/tools/testing/selftests/rcutorture/bin/torture.sh +++ b/tools/testing/selftests/rcutorture/bin/torture.sh @@ -386,16 +386,16 @@ fi if test "$do_clocksourcewd" = "yes" then - torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000" + torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000 tsc=watchdog" torture_set "clocksourcewd-1" tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 45s --configs TREE03 --kconfig "CONFIG_TEST_CLOCKSOURCE_WATCHDOG=y" --trust-make - torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000 clocksource.max_cswd_read_retries=1" + torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000 tsc=watchdog" torture_set "clocksourcewd-2" tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 45s --configs TREE03 --kconfig "CONFIG_TEST_CLOCKSOURCE_WATCHDOG=y" --trust-make # In case our work is already done... if test "$do_rcutorture" != "yes" then - torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000" + torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000 tsc=watchdog" torture_set "clocksourcewd-3" tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 45s --configs TREE03 --trust-make fi fi diff --git a/tools/testing/selftests/sigaltstack/current_stack_pointer.h b/tools/testing/selftests/sigaltstack/current_stack_pointer.h index ea9bdf3a90..09da8f1011 100644 --- a/tools/testing/selftests/sigaltstack/current_stack_pointer.h +++ b/tools/testing/selftests/sigaltstack/current_stack_pointer.h @@ -8,7 +8,7 @@ register unsigned long sp asm("sp"); register unsigned long sp asm("esp"); #elif __loongarch64 register unsigned long sp asm("$sp"); -#elif __ppc__ +#elif __powerpc__ register unsigned long sp asm("r1"); #elif __s390x__ register unsigned long sp asm("%15"); diff --git a/tools/testing/selftests/tc-testing/tdc.py b/tools/testing/selftests/tc-testing/tdc.py index a3e43189d9..d6a9d97f73 100755 --- a/tools/testing/selftests/tc-testing/tdc.py +++ b/tools/testing/selftests/tc-testing/tdc.py @@ -129,7 +129,6 @@ def call_pre_case(self, caseinfo, *, test_skip=False): except Exception as ee: print('exception {} in call to pre_case for {} plugin'. format(ee, pgn_inst.__class__)) - print('test_ordinal is {}'.format(test_ordinal)) print('testid is {}'.format(caseinfo['id'])) raise diff --git a/tools/testing/selftests/vDSO/parse_vdso.c b/tools/testing/selftests/vDSO/parse_vdso.c index 413f75620a..7dd5668ea8 100644 --- a/tools/testing/selftests/vDSO/parse_vdso.c +++ b/tools/testing/selftests/vDSO/parse_vdso.c @@ -36,6 +36,12 @@ #define ELF_BITS_XFORM(bits, x) ELF_BITS_XFORM2(bits, x) #define ELF(x) ELF_BITS_XFORM(ELF_BITS, x) +#ifdef __s390x__ +#define ELF_HASH_ENTRY ELF(Xword) +#else +#define ELF_HASH_ENTRY ELF(Word) +#endif + static struct vdso_info { bool valid; @@ -47,22 +53,28 @@ static struct vdso_info /* Symbol table */ ELF(Sym) *symtab; const char *symstrings; - ELF(Word) *bucket, *chain; - ELF(Word) nbucket, nchain; + ELF_HASH_ENTRY *bucket, *chain; + ELF_HASH_ENTRY nbucket, nchain; /* Version table */ ELF(Versym) *versym; ELF(Verdef) *verdef; } vdso_info; -/* Straight from the ELF specification. */ -static unsigned long elf_hash(const unsigned char *name) +/* + * Straight from the ELF specification...and then tweaked slightly, in order to + * avoid a few clang warnings. + */ +static unsigned long elf_hash(const char *name) { unsigned long h = 0, g; - while (*name) + const unsigned char *uch_name = (const unsigned char *)name; + + while (*uch_name) { - h = (h << 4) + *name++; - if (g = h & 0xf0000000) + h = (h << 4) + *uch_name++; + g = h & 0xf0000000; + if (g) h ^= g >> 24; h &= ~g; } @@ -109,7 +121,7 @@ void vdso_init_from_sysinfo_ehdr(uintptr_t base) /* * Fish out the useful bits of the dynamic table. */ - ELF(Word) *hash = 0; + ELF_HASH_ENTRY *hash = 0; vdso_info.symstrings = 0; vdso_info.symtab = 0; vdso_info.versym = 0; @@ -127,7 +139,7 @@ void vdso_init_from_sysinfo_ehdr(uintptr_t base) + vdso_info.load_offset); break; case DT_HASH: - hash = (ELF(Word) *) + hash = (ELF_HASH_ENTRY *) ((uintptr_t)dyn[i].d_un.d_ptr + vdso_info.load_offset); break; @@ -210,7 +222,8 @@ void *vdso_sym(const char *version, const char *name) ELF(Sym) *sym = &vdso_info.symtab[chain]; /* Check for a defined global or weak function w/ right name. */ - if (ELF64_ST_TYPE(sym->st_info) != STT_FUNC) + if (ELF64_ST_TYPE(sym->st_info) != STT_FUNC && + ELF64_ST_TYPE(sym->st_info) != STT_NOTYPE) continue; if (ELF64_ST_BIND(sym->st_info) != STB_GLOBAL && ELF64_ST_BIND(sym->st_info) != STB_WEAK) diff --git a/tools/testing/selftests/vDSO/vdso_config.h b/tools/testing/selftests/vDSO/vdso_config.h index 6188b16827..a6868ca0e4 100644 --- a/tools/testing/selftests/vDSO/vdso_config.h +++ b/tools/testing/selftests/vDSO/vdso_config.h @@ -18,18 +18,18 @@ #elif defined(__aarch64__) #define VDSO_VERSION 3 #define VDSO_NAMES 0 -#elif defined(__powerpc__) +#elif defined(__powerpc64__) #define VDSO_VERSION 1 #define VDSO_NAMES 0 -#define VDSO_32BIT 1 -#elif defined(__powerpc64__) +#elif defined(__powerpc__) #define VDSO_VERSION 1 #define VDSO_NAMES 0 -#elif defined (__s390__) +#define VDSO_32BIT 1 +#elif defined (__s390__) && !defined(__s390x__) #define VDSO_VERSION 2 #define VDSO_NAMES 0 #define VDSO_32BIT 1 -#elif defined (__s390X__) +#elif defined (__s390x__) #define VDSO_VERSION 2 #define VDSO_NAMES 0 #elif defined(__mips__) diff --git a/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c b/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c index 8a44ff973e..27f6fdf119 100644 --- a/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c +++ b/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c @@ -18,7 +18,7 @@ #include "parse_vdso.h" -/* We need a libc functions... */ +/* We need some libc functions... */ int strcmp(const char *a, const char *b) { /* This implementation is buggy: it never returns -1. */ @@ -34,6 +34,20 @@ int strcmp(const char *a, const char *b) return 0; } +/* + * The clang build needs this, although gcc does not. + * Stolen from lib/string.c. + */ +void *memcpy(void *dest, const void *src, size_t count) +{ + char *tmp = dest; + const char *s = src; + + while (count--) + *tmp++ = *s++; + return dest; +} + /* ...and two syscalls. This is x86-specific. */ static inline long x86_syscall3(long nr, long a0, long a1, long a2) { @@ -70,7 +84,7 @@ void to_base10(char *lastdig, time_t n) } } -__attribute__((externally_visible)) void c_main(void **stack) +void c_main(void **stack) { /* Parse the stack */ long argc = (long)*stack; diff --git a/tools/testing/selftests/vDSO/vdso_test_correctness.c b/tools/testing/selftests/vDSO/vdso_test_correctness.c index c4aea79472..739cd83f3d 100644 --- a/tools/testing/selftests/vDSO/vdso_test_correctness.c +++ b/tools/testing/selftests/vDSO/vdso_test_correctness.c @@ -113,6 +113,12 @@ static void fill_function_pointers() if (!vdso) vdso = dlopen("linux-gate.so.1", RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD); + if (!vdso) + vdso = dlopen("linux-vdso32.so.1", + RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD); + if (!vdso) + vdso = dlopen("linux-vdso64.so.1", + RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD); if (!vdso) { printf("[WARN]\tfailed to find vDSO\n"); return; diff --git a/tools/testing/selftests/vm/charge_reserved_hugetlb.sh b/tools/testing/selftests/vm/charge_reserved_hugetlb.sh index e14bdd4455..8e00276b4e 100644 --- a/tools/testing/selftests/vm/charge_reserved_hugetlb.sh +++ b/tools/testing/selftests/vm/charge_reserved_hugetlb.sh @@ -252,7 +252,7 @@ function cleanup_hugetlb_memory() { local cgroup="$1" if [[ "$(pgrep -f write_to_hugetlbfs)" != "" ]]; then echo killing write_to_hugetlbfs - killall -2 write_to_hugetlbfs + killall -2 --wait write_to_hugetlbfs wait_for_hugetlb_memory_to_get_depleted $cgroup fi set -e diff --git a/tools/testing/selftests/vm/compaction_test.c b/tools/testing/selftests/vm/compaction_test.c index 9b420140ba..7c260060a1 100644 --- a/tools/testing/selftests/vm/compaction_test.c +++ b/tools/testing/selftests/vm/compaction_test.c @@ -33,7 +33,7 @@ int read_memory_info(unsigned long *memfree, unsigned long *hugepagesize) FILE *cmdfile = popen(cmd, "r"); if (!(fgets(buffer, sizeof(buffer), cmdfile))) { - perror("Failed to read meminfo\n"); + ksft_print_msg("Failed to read meminfo: %s\n", strerror(errno)); return -1; } @@ -44,7 +44,7 @@ int read_memory_info(unsigned long *memfree, unsigned long *hugepagesize) cmdfile = popen(cmd, "r"); if (!(fgets(buffer, sizeof(buffer), cmdfile))) { - perror("Failed to read meminfo\n"); + ksft_print_msg("Failed to read meminfo: %s\n", strerror(errno)); return -1; } @@ -62,14 +62,14 @@ int prereq(void) fd = open("/proc/sys/vm/compact_unevictable_allowed", O_RDONLY | O_NONBLOCK); if (fd < 0) { - perror("Failed to open\n" - "/proc/sys/vm/compact_unevictable_allowed\n"); + ksft_print_msg("Failed to open /proc/sys/vm/compact_unevictable_allowed: %s\n", + strerror(errno)); return -1; } if (read(fd, &allowed, sizeof(char)) != sizeof(char)) { - perror("Failed to read from\n" - "/proc/sys/vm/compact_unevictable_allowed\n"); + ksft_print_msg("Failed to read from /proc/sys/vm/compact_unevictable_allowed: %s\n", + strerror(errno)); close(fd); return -1; } @@ -78,15 +78,17 @@ int prereq(void) if (allowed == '1') return 0; + ksft_print_msg("Compaction isn't allowed\n"); return -1; } -int check_compaction(unsigned long mem_free, unsigned int hugepage_size) +int check_compaction(unsigned long mem_free, unsigned long hugepage_size) { - int fd; + unsigned long nr_hugepages_ul; + int fd, ret = -1; int compaction_index = 0; - char initial_nr_hugepages[10] = {0}; - char nr_hugepages[10] = {0}; + char initial_nr_hugepages[20] = {0}; + char nr_hugepages[20] = {0}; /* We want to test with 80% of available memory. Else, OOM killer comes in to play */ @@ -94,18 +96,23 @@ int check_compaction(unsigned long mem_free, unsigned int hugepage_size) fd = open("/proc/sys/vm/nr_hugepages", O_RDWR | O_NONBLOCK); if (fd < 0) { - perror("Failed to open /proc/sys/vm/nr_hugepages"); + ksft_test_result_fail("Failed to open /proc/sys/vm/nr_hugepages: %s\n", + strerror(errno)); return -1; } if (read(fd, initial_nr_hugepages, sizeof(initial_nr_hugepages)) <= 0) { - perror("Failed to read from /proc/sys/vm/nr_hugepages"); + ksft_test_result_fail("Failed to read from /proc/sys/vm/nr_hugepages: %s\n", + strerror(errno)); goto close_fd; } + lseek(fd, 0, SEEK_SET); + /* Start with the initial condition of 0 huge pages*/ if (write(fd, "0", sizeof(char)) != sizeof(char)) { - perror("Failed to write 0 to /proc/sys/vm/nr_hugepages\n"); + ksft_test_result_fail("Failed to write 0 to /proc/sys/vm/nr_hugepages: %s\n", + strerror(errno)); goto close_fd; } @@ -114,82 +121,80 @@ int check_compaction(unsigned long mem_free, unsigned int hugepage_size) /* Request a large number of huge pages. The Kernel will allocate as much as it can */ if (write(fd, "100000", (6*sizeof(char))) != (6*sizeof(char))) { - perror("Failed to write 100000 to /proc/sys/vm/nr_hugepages\n"); + ksft_test_result_fail("Failed to write 100000 to /proc/sys/vm/nr_hugepages: %s\n", + strerror(errno)); goto close_fd; } lseek(fd, 0, SEEK_SET); if (read(fd, nr_hugepages, sizeof(nr_hugepages)) <= 0) { - perror("Failed to re-read from /proc/sys/vm/nr_hugepages\n"); + ksft_test_result_fail("Failed to re-read from /proc/sys/vm/nr_hugepages: %s\n", + strerror(errno)); goto close_fd; } /* We should have been able to request at least 1/3 rd of the memory in huge pages */ - compaction_index = mem_free/(atoi(nr_hugepages) * hugepage_size); - - if (compaction_index > 3) { - printf("No of huge pages allocated = %d\n", - (atoi(nr_hugepages))); - fprintf(stderr, "ERROR: Less that 1/%d of memory is available\n" - "as huge pages\n", compaction_index); + nr_hugepages_ul = strtoul(nr_hugepages, NULL, 10); + if (!nr_hugepages_ul) { + ksft_print_msg("ERROR: No memory is available as huge pages\n"); goto close_fd; } - - printf("No of huge pages allocated = %d\n", - (atoi(nr_hugepages))); + compaction_index = mem_free/(nr_hugepages_ul * hugepage_size); lseek(fd, 0, SEEK_SET); if (write(fd, initial_nr_hugepages, strlen(initial_nr_hugepages)) != strlen(initial_nr_hugepages)) { - perror("Failed to write value to /proc/sys/vm/nr_hugepages\n"); + ksft_test_result_fail("Failed to write value to /proc/sys/vm/nr_hugepages: %s\n", + strerror(errno)); goto close_fd; } - close(fd); - return 0; + if (compaction_index > 3) { + ksft_print_msg("ERROR: Less than 1/%d of memory is available\n" + "as huge pages\n", compaction_index); + ksft_test_result_fail("No of huge pages allocated = %d\n", (atoi(nr_hugepages))); + goto close_fd; + } + + ksft_test_result_pass("Memory compaction succeeded. No of huge pages allocated = %d\n", + (atoi(nr_hugepages))); + ret = 0; close_fd: close(fd); - printf("Not OK. Compaction test failed."); - return -1; + return ret; } int main(int argc, char **argv) { struct rlimit lim; - struct map_list *list, *entry; + struct map_list *list = NULL, *entry; size_t page_size, i; void *map = NULL; unsigned long mem_free = 0; unsigned long hugepage_size = 0; long mem_fragmentable_MB = 0; - if (prereq() != 0) { - printf("Either the sysctl compact_unevictable_allowed is not\n" - "set to 1 or couldn't read the proc file.\n" - "Skipping the test\n"); - return KSFT_SKIP; - } + ksft_print_header(); + + if (prereq() != 0) + return ksft_exit_pass(); + + ksft_set_plan(1); lim.rlim_cur = RLIM_INFINITY; lim.rlim_max = RLIM_INFINITY; - if (setrlimit(RLIMIT_MEMLOCK, &lim)) { - perror("Failed to set rlimit:\n"); - return -1; - } + if (setrlimit(RLIMIT_MEMLOCK, &lim)) + ksft_exit_fail_msg("Failed to set rlimit: %s\n", strerror(errno)); page_size = getpagesize(); - list = NULL; - - if (read_memory_info(&mem_free, &hugepage_size) != 0) { - printf("ERROR: Cannot read meminfo\n"); - return -1; - } + if (read_memory_info(&mem_free, &hugepage_size) != 0) + ksft_exit_fail_msg("Failed to get meminfo\n"); mem_fragmentable_MB = mem_free * 0.8 / 1024; @@ -225,7 +230,7 @@ int main(int argc, char **argv) } if (check_compaction(mem_free, hugepage_size) == 0) - return 0; + return ksft_exit_pass(); - return -1; + return ksft_exit_fail(); } diff --git a/tools/testing/selftests/vm/hmm-tests.c b/tools/testing/selftests/vm/hmm-tests.c index 203323967b..a8f69d9912 100644 --- a/tools/testing/selftests/vm/hmm-tests.c +++ b/tools/testing/selftests/vm/hmm-tests.c @@ -1482,7 +1482,7 @@ TEST_F(hmm2, double_map) buffer->fd = -1; buffer->size = size; - buffer->mirror = malloc(npages); + buffer->mirror = malloc(size); ASSERT_NE(buffer->mirror, NULL); /* Reserve a range of addresses. */ diff --git a/tools/testing/selftests/vm/write_to_hugetlbfs.c b/tools/testing/selftests/vm/write_to_hugetlbfs.c index 6a2caba19e..1289d311ef 100644 --- a/tools/testing/selftests/vm/write_to_hugetlbfs.c +++ b/tools/testing/selftests/vm/write_to_hugetlbfs.c @@ -28,7 +28,7 @@ enum method { /* Global variables. */ static const char *self; -static char *shmaddr; +static int *shmaddr; static int shmid; /* @@ -47,15 +47,17 @@ void sig_handler(int signo) { printf("Received %d.\n", signo); if (signo == SIGINT) { - printf("Deleting the memory\n"); - if (shmdt((const void *)shmaddr) != 0) { - perror("Detach failure"); + if (shmaddr) { + printf("Deleting the memory\n"); + if (shmdt((const void *)shmaddr) != 0) { + perror("Detach failure"); + shmctl(shmid, IPC_RMID, NULL); + exit(4); + } + shmctl(shmid, IPC_RMID, NULL); - exit(4); + printf("Done deleting the memory\n"); } - - shmctl(shmid, IPC_RMID, NULL); - printf("Done deleting the memory\n"); } exit(2); } @@ -211,7 +213,8 @@ int main(int argc, char **argv) shmctl(shmid, IPC_RMID, NULL); exit(2); } - printf("shmaddr: %p\n", ptr); + shmaddr = ptr; + printf("shmaddr: %p\n", shmaddr); break; default: diff --git a/tools/usb/usbip/src/usbip_detach.c b/tools/usb/usbip/src/usbip_detach.c index aec9931590..bc663ca79c 100644 --- a/tools/usb/usbip/src/usbip_detach.c +++ b/tools/usb/usbip/src/usbip_detach.c @@ -68,6 +68,7 @@ static int detach_port(char *port) } if (!found) { + ret = -1; err("Invalid port %s > maxports %d", port, vhci_driver->nports); goto call_driver_close; diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index d11c581ce9..243ef8fa40 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -3528,12 +3528,13 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) { struct kvm *kvm = me->kvm; struct kvm_vcpu *vcpu; - int last_boosted_vcpu = me->kvm->last_boosted_vcpu; + int last_boosted_vcpu; int yielded = 0; int try = 3; int pass; int i; + last_boosted_vcpu = READ_ONCE(kvm->last_boosted_vcpu); kvm_vcpu_set_in_spin_loop(me, true); /* * We boost the priority of a VCPU that is runnable but not @@ -3565,7 +3566,7 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) yielded = kvm_vcpu_yield_to(vcpu); if (yielded > 0) { - kvm->last_boosted_vcpu = i; + WRITE_ONCE(kvm->last_boosted_vcpu, i); break; } else if (yielded < 0) { try--;